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WESCO INTERNATIONAL INC - Annual Report: 2010 (Form 10-K)

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UNITED STATES SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 10-K
(Mark One)
     
þ   ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the fiscal year ended December 31, 2010
or
     
o   TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from                     to                     
Commission file number 001-14989
WESCO International, Inc.
(Exact name of registrant as specified in its charter)
     
Delaware
(State or other jurisdiction of
incorporation or organization)
  25-1723342
(I.R.S. Employer
Identification No.)
     
225 West Station Square Drive
Suite 700
Pittsburgh, Pennsylvania

(Address of principal executive offices)
  15219
(Zip Code)
(412) 454-2200
(Registrant’s telephone number, including area code)
 
SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT:
     
Title of Class   Name of Exchange on which registered
     
Common Stock, par value $.01 per share   New York Stock Exchange
SECURITIES REGISTERED PURSUANT TO SECTION 12(g) OF THE ACT: None
     Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes þ No o
     Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act. Yes o No þ
     Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for at least the past 90 days. Yes þ No o
     Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. þ
     Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such file). Yes þ No o
     Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer,” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):
             
Large accelerated filer þ   Accelerated filer o   Non-accelerated filer o   Smaller reporting company o
        (Do not check if a smaller reporting company)    
     Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes o No þ
     The registrant estimates that the aggregate market value of the voting shares held by non-affiliates of the registrant was approximately $1,379.8 million as of June 30, 2010, the last business day of the registrant’s most recently completed second fiscal quarter, based on the closing price on the New York Stock Exchange for such stock.
     As of February 21, 2011, 43,045,119 shares of Common Stock, par value $.01 per share, of the registrant were outstanding.
DOCUMENTS INCORPORATED BY REFERENCE:
Part III of this Form 10-K incorporates by reference portions of the registrant’s Proxy Statement for its 2011 Annual Meeting of Stockholders.
 
 

 


 

WESCO INTERNATIONAL, INC.
Annual Report on Form 10-K for the Fiscal Year Ended
December 31, 2010
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PART I
Item 1. Business.
     In this Annual Report on Form 10-K, “WESCO” refers to WESCO International, Inc., and its subsidiaries and its predecessors unless the context otherwise requires. References to “we,” “us,” “our” and the “Company” refer to WESCO and its subsidiaries.
The Company
     WESCO International, Inc. (“WESCO International”), incorporated in 1993 and formed in February 1994 upon acquiring a distribution business from Westinghouse Electric Corporation, is a leading North American distributor of products and provider of advanced supply chain management and logistics services used primarily in industrial, construction, utility and commercial, institutional and government markets. We serve over 100,000 customers globally, including a large percentage of Fortune 1000 companies, through approximately 400 full service branches and seven distribution centers located in the United States, Canada, Mexico, United Kingdom, Singapore, China, Australia, Africa and the United Arab Emirates. At the end of 2010, we had approximately 6,800 employees worldwide.
     We are a leading provider of electrical, industrial, and communications maintenance, repair and operating (“MRO”) and original equipment manufacturers (“OEM”) products, construction materials, and advanced supply chain management and logistics services. Our primary product categories include general electrical and industrial supplies, wire, cable and conduit, data communications, power distribution equipment, lighting and lighting control systems, control and automation and motors. We expanded upon our communications product offerings in December 2010 upon acquiring TVC Communications, L.L.C (“TVC Communications”), a leading distributor of broadband communications network infrastructure products serving the cable, telecommunications and satellite industries. We distribute over 1,000,000 products from more than 17,000 suppliers utilizing a highly automated, proprietary electronic procurement and inventory replenishment system. In addition, we offer a comprehensive portfolio of value-added services, which includes supply chain management, logistics and transportation procurement, warehousing and inventory management, as well as kitting, limited assembly of products and system installation. Our value-added capabilities, extensive geographic reach, experienced workforce and broad product and supply chain solutions have enabled us to grow our business and establish a leading position in North America.
Industry Overview
     We operate in highly fragmented markets that include thousands of small regional and locally based, privately owned competitors. In 2009, the latest year for which market share data is available, the five largest national distributors, including us, accounted for approximately 29% of estimated total electrical distribution industry sales in the United States. Our global account, integrated supply and OEM programs provide customers with a regional, national, North American and, in some cases, global supply chain consolidation opportunity. The demand for these programs has grown in recent years, driven primarily by the desire of companies to reduce operating expenses by implementing third-party programs for the operational and administrative functions associated with the procurement, management and utilization of MRO supplies and OEM components. We believe that significant opportunities exist for further expansion of these programs, as the total potential in the United States for purchases of supplies and services across all market segments and channels is currently estimated to be greater than $500 billion.
     According to published sources, the electrical distribution industry has grown at an approximately 5% compound annual rate over the past 20 years. This expansion has been driven by general economic growth, increased price levels for key commodities, increased use of electrical products in businesses and industries, new products and technologies and the proliferation of enhanced building and safety codes and the internet. Wholesale distributors have also grown as a result of a long term shift in procurement preferences that favor the use of distributors over direct relationships with manufacturers.
Markets and Customers
     We have a large base of over 100,000 customers across a diverse set of end markets. Our top ten customers accounted for approximately 12% of our sales in 2010. No one customer accounted for more than 4% of our sales in 2010.

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     The following table outlines our sales breakdown by end market:
                         
Year Ended December 31,   2010     2009     2008  
 
(percentages based on total sales)                        
 
Industrial
    42 %     40 %     43 %
Construction
    38 %     36 %     35 %
Utility
    13 %     17 %     16 %
Commercial, Institutional and Governmental
    7 %     7 %     6 %
 
     Industrial. Sales to industrial customers of MRO, OEM, and construction products and services accounted for approximately 42% of our sales in 2010, compared to 40% in 2009. MRO and capital expansion product categories include a broad range of electrical supplies as well as lubricants, pipe, valves, fittings, fasteners, cutting tools and power transmission products. OEM customers require a reliable supply of assemblies and components to incorporate into their own products as well as value-added services such as supplier consolidation, design and technical support, just-in-time supply and electronic commerce.
     Construction. Sales of electrical and communications products to construction contractors accounted for approximately 38% of our sales in 2010, compared to 36% in 2009. Customers include a wide array of contractors and engineering, procurement and construction firms for industrial, infrastructure, commercial and data communications projects for applications such as refineries, railways, hospitals, wastewater treatment facilities, data centers, security installations, offices, and modular and mobile homes. Products purchased by electrical subcontractors typically account for approximately 40% to 50% of their installed project cost, making accurate cost estimates and competitive material costs critical to a contractor’s success in winning and completing profitable projects. In addition to a wide array of electrical products, we offer contractors data communications products such as IT/network modernization, physical security upgrades, broadband deployments, network security, and disaster recovery.
     Utility. Sales to utilities and utility contractors accounted for approximately 13% of our sales in 2010, compared to 17% in 2009. Customers include large investor-owned utilities, rural electric cooperatives, municipal power authorities and contractors that serve these customers. We provide our utility customers with products and services to support the construction and maintenance of their transmission and distribution lines along with an extensive range of supplies to meet their power plant MRO and capital projects needs. Full materials management and procurement outsourcing arrangements are also important in this market, as cost pressures and deregulation have caused utility customers to seek improvements in the efficiency and effectiveness of their supply chains.
     Commercial, Institutional and Governmental. Sales to CIG customers accounted for approximately 7% of our sales in 2010 and 2009. Customers include schools, hospitals, property management firms, retailers and federal, state and local government agencies of all types, including federal contractors.
Business Strategy
     Our goal is to grow organically and through accretive acquisitions at a rate greater than that of our industry. Our organic growth strategy leverages our existing strengths and focuses on initiatives to enhance our sales and customer service, develop new end markets, broaden our product and service offerings and expand our geographic footprint. To complement our organic growth strategy and to expand our ability to serve existing as well as new customers, we intend to pursue strategic acquisitions. We utilize LEAN continuous improvement initiatives on a company-wide basis to deliver operational excellence and improve results. We also extend our LEAN initiatives to customers to improve the efficiency and effectiveness of their operations and supply chains. In addition, we seek to generate a distinct competitive advantage through talent management and employee development processes and programs.
     We currently are focusing our growth efforts on the following end markets, product categories and business models:
         
End Markets   Product Categories   Business Models
Construction
 
Data communications and security products
 
Global account and integrated supply programs
         
Government
       
 
 
Lighting systems and sustainability
   
International
       
 
  Wire and cable    
Utility
       

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     Grow Our Global Account Customer Relationships and Base. Our typical global account customer is a Fortune 1000 industrial or commercial company, a large utility, a major contractor, or a governmental or institutional customer, in each case with multiple locations. Our global account program is designed to provide customers with supply chain management and cost reductions by coordinating and standardizing activity for MRO supplies and OEM direct materials across their multiple locations. Comprehensive implementation plans are managed at the local, national and international levels to identify key performance measures, prioritize activities and track progress against objectives. We involve our preferred suppliers early in the implementation process, where they can contribute expertise and product knowledge to accelerate program implementation and achievement of cost savings and process improvements.
     Over the past ten years, we believe revenue growth from our global account programs has exceeded the annual growth rate of the overall electrical distribution industry. Our objective is to continue to increase revenue from our global account programs by expanding our product and service offerings to existing global account customers and expanding our reach to serve additional customer locations. We also plan on expanding our customer base by capitalizing on our industry expertise and supply chain optimization capabilities.
     Extend Our Leadership Position in Integrated Supply Programs. Our integrated supply services are focused on customers in the industrial, utility, construction and CIG markets. We combine our personnel, product and distribution expertise, electronic technologies and service capabilities with the customer’s own internal resources to meet particular service requirements. Each integrated supply program is configured to significantly reduce the number of suppliers, total procurement costs, and administrative expenses as well as improve operating controls. Our integrated supply programs focus on supply chain optimization and replace the traditional multi-vendor, resource-intensive procurement process with a single, outsourced, fully automated process. Our services range from timely product delivery to a fully outsourced procurement function. We believe that customers will increasingly seek to utilize such services to consolidate and manage their MRO and OEM supply chains. We plan to expand our leadership position as the largest integrated supply services provider of MRO supplies in the United States by building upon established relationships within our large customer base and premier supplier network, and extending our services to locations outside the United States.
     Expand Our Relationships with Construction Contractors. Our construction sales are focused on contractors, particularly those involved with healthcare, government facilities, enterprise data communications, telecommunication and energy and government infrastructure-related projects. We believe that significant cross selling opportunities exist for electrical and data communications products and we intend to use our global account programs, LEAN initiatives and project management expertise to capitalize on construction business.
     Expand Government Business. Our dedicated government business development and sales team is focused on serving federal, state and local government agencies. In addition to coordinating business at a federal, state and local level, we are focused on monitoring all activity and opportunities related to the American Recovery and Reinvestment Act and have seen positive results from these efforts, and plan to continue to emphasize this area of our business in 2011 and 2012.
     Expand Our Position in Wire and Cable. Our wire and cable product and service offerings are sold to customers in all our end markets. We are focused on growing our wire and cable business by enhancing our service capabilities and expanding our wire and cable geographic presence. In addition, we have a team of specialists working directly with our sales force to provide our customers with single source wire and cable solutions.
     Expand Products and Services for Utilities. Our utility customers continue to be focused on operating efficiency and cost reduction. As a result, we anticipate an increase in distribution grid improvement and transmission expansion projects. Accordingly, we are focused on expanding our logistical and project services, integrated supply services and project management programs to increase our scope of supply on distribution grid transmission, generation and alternative energy projects.
     Expand International Operations. We seek to capitalize on existing and emerging international market opportunities through collaborative investments with key customers and suppliers. We follow our established customers and pursue business that we believe utilizes and extends our existing capabilities. During 2010, we established a commercial presence in Columbia, Spain, Brazil and Belgium through the acquisition of TVC Communications. We believe this strategy of working through well-developed customer and supplier relationships significantly reduces risk and provides the opportunity to establish profitable business. Our priorities are focused on global energy and construction projects, as well as attractive vertical markets such as infrastructure, data communications, alternative energy and integrated supply and procurement outsourcing.
     Grow Our Communications Products Position. Over the last several years, there has been a convergence of electrical and data communications contractors. Our ability to provide both electrical and communications products and services lines as well as automation, electromechanical, non-electrical MRO, physical security and utility products has presented expanded cross selling opportunities across WESCO. Communications products have continued to be in strong demand due to networking upgrades, low voltage security investments, data center upgrades and increasing broadband utilization. We are investing in the expansion of our

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communications sales force and geographic footprint. In December 2010, we expanded our capabilities into broadband and telecommunication product lines with the acquisition of TVC Communications.
     Grow Lighting System Sales. Lighting applications are undergoing significant innovation driven by energy efficiency and sustainability trends. We expanded our sales team and marketing initiatives in 2010 and will continue to focus significant resources on this product category as we believe the trends in lighting systems will provide attractive growth opportunities for the next several years.
     Increase Business in Sustainable Technologies. Demand is building for sustainable and energy efficient solutions in the electrical and industrial distribution industry, and we are integrating “green” technologies into our product and service offerings. Our goal is to help our customers meet their environmental sustainability objectives by providing world-class sustainable products and solutions from leading manufacturers. We also provide the education and resources that organizations need to deploy these solutions.
     Pursue Strategic Acquisitions. Since 1995, we have completed 34 acquisitions. In 2010, we acquired two businesses: Potelcom Supply, Inc. (“Potelcom”) and TVC Communications. We believe that the highly fragmented nature of the electrical and industrial distribution industry will continue to provide acquisition opportunities. We expect that any future acquisitions will be financed with internally generated funds, additional debt and/or the issuance of equity securities.
     Drive Operational Excellence. LEAN continuous improvement is a set of company-wide strategic initiatives to increase efficiency and effectiveness across the entire business enterprise, including sales, operations and administrative processes. The basic principles behind LEAN are to systematically identify and implement improvements through simplification, elimination of waste and reduction in errors. We apply LEAN in our distribution environment, and develop and deploy numerous initiatives through the Kaizen approach targeting improvements in sales, margin, warehouse operations, transportation, purchasing, inventory, accounts receivable, accounts payable, and administrative processes. Our objective is to continue to implement LEAN initiatives across our business enterprise and to extend LEAN services to our customers.
     Talent Management. Our strategy is to develop a distinct competitive advantage through talent management and employee development. We believe our ability to attract, develop and retain diverse human capital is imperative to business success. We improve workforce capability through various programs and processes that identify, recruit, develop and promote our talent base. We have made significant enhancements in these programs over the last several years and we expect to continue to refine and enhance these programs in the future.
Products and Services
Products
     Our network of branches and distribution centers stock more than 250,000 unique product stock keeping units and we provide customers with access to more than 1,000,000 different products. Each branch tailors its inventory to meet the needs of its local customers.
     Representative product categories and associated product lines that we offer include:
    General and Industrial Supplies. Wiring devices, fuses, terminals, connectors, boxes, enclosures, fittings, lugs, terminations, tape, splicing and marking equipment, tools and testers, safety and security, personal protection, abrasives, cutting tools, tapes, consumables, fasteners, janitorial and other MRO supplies;
 
    Wire, Cable and Conduit. Wire, cable, raceway, metallic and non-metallic conduit;
 
    Communications Products. Structured cabling systems, broadband products, low voltage specialty systems, specialty wire and cable products, equipment racks and cabinets, access control, alarms, cameras, paging and voice solutions;
 
    Power Distribution Equipment. Circuit breakers, transformers, switchboards, panel boards, metering products and busway products;
 
    Lighting and Controls. Lamps, fixtures, ballasts and lighting control products; and
 
    Control, Automation and Motors. Motor control devices, drives, surge and power protection, relays, timers, pushbuttons, operator interfaces, switches, sensors, and interconnects.

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     The following table sets forth sales information about our sales by product category:
                         
Year Ended December 31,   2010     2009     2008  
 
(percentages based on total sales)                        
General and Industrial Supplies
    35 %     35 %     35 %
Wire, Cable and Conduit
    18 %     18 %     20 %
Data Communications
    15 %     14 %     12 %
Power Distribution Equipment
    12 %     13 %     13 %
Lighting and Controls
    10 %     11 %     10 %
Control, Automation and Motors
    10 %     9 %     10 %
 
     We purchase products from a diverse group of more than 17,000 suppliers. In 2010, our ten largest suppliers accounted for approximately 32% of our purchases. The largest of these was Eaton Corporation, through its Eaton Electrical division, which accounted for approximately 12% of our total purchases. No other supplier accounted for more than 5% of our total purchases.
     Our supplier relationships are important to us, providing access to a wide range of products, technical training, and sales and marketing support. We have preferred supplier agreements with more than 300 of our suppliers and purchase over 60% of our products pursuant to these agreements. Consistent with industry practice, most of our agreements with suppliers, including both distribution agreements and preferred supplier agreements, are terminable by either party on 60 days notice or less.
Services
     We offer customers a comprehensive portfolio of value added services which includes more than 40 value add solutions, in ten categories ranging from construction, project management, e-business, energy, engineering services, green and sustainability, production support, safety, supply chain optimization, training, to working capital. These solutions are designed to address our customer’s business needs through:
    Outsourcing of the entire MRO purchasing process via integrated supply;
 
    Providing technical support for manufacturing process improvements;
 
    Implementing inventory optimization programs, including just-in-time delivery and vendor managed inventory;
 
    Participating in joint cost savings teams;
 
    Assigning our employees as on-site support personnel;
 
    Consulting and recommending energy-efficient product upgrades; and
 
    Offering safety and product training for customer employees.
Competitive Strengths
     We compete directly with global, national, regional and local distributors of electrical and other industrial supplies. Competition is primarily focused on the local service area, and is generally based on product line breadth, product availability, service capabilities and price. We also compete with buying groups formed by smaller distributors to increase purchasing power and provide some cooperative marketing capability. While increased buying power may improve the competitive position of buying groups locally, we believe it is difficult to coordinate a diverse ownership group. Although certain Internet-based procurement service companies, auction businesses and trade exchanges remain in the marketplace, the impact on our business from these competitors has not been significant to date.
     Market Leadership. Our ability to manage complex global supply chains, multi-site facility maintenance programs and construction projects that require special sourcing, technical advice, logistical support and locally based service has enabled us to establish a strong presence in our served markets. We have utilized these skills to generate significant revenues in a broad range of industries with intensive use of electrical and industrial products.
     Broad Product Offering and Value-added Services. We provide a wide range of products, services and procurement solutions, which draw on our product knowledge, supply and logistics expertise, system capabilities and supplier relationships to enable our customers to maximize productivity, minimize waste, improve efficiencies, reduce costs and enhance safety. Our broad product

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offering and stable source of supply enables us to consistently meet virtually all of a customer’s product and MRO and OEM requirements.
     Extensive Distribution Network. We operate approximately 400 geographically dispersed branch locations and seven distribution centers (four in the United States and three in Canada). Our distribution centers add value for our customers, suppliers, and branches through the combination of a broad and deep selection of inventory, online ordering, next-day shipment and central order handling and fulfillment. Our distribution center network reduces the lead-time and cost of supply chain activities through automated replenishment and warehouse management systems and economies of scale in purchasing, inventory management, administration and transportation. This extensive network, which would be difficult and expensive to duplicate, provides us with a distinct competitive advantage and allows us to:
    Enhance localized customer service, technical support and sales coverage;
 
    Tailor individual branch products and services to local customer needs; and
 
    Offer multi-site distribution capabilities to large customers and global accounts.
     Low Cost Operator. Our competitive position has been enhanced by our consistent favorable operating cost position, which is based on use of LEAN, strategically-located distribution centers, and purchasing economies of scale. As a result of these factors, our operating cost as a percentage of sales is one of the lowest in our industry. Our selling, general and administrative expenses as a percentage of revenues for 2010 were 15.1%, significantly below our peer group 2010 average of approximately 18.5%, according to the National Association of Electrical Distributors.
Geography
     Our network of branches and distribution centers are located primarily in the United States, Canada, and Mexico, with additional locations in the United Kingdom, Singapore, China, Australia, Africa and the United Arab Emirates.
     United States. To serve our customers in the United States, we operate a network of approximately 325 branches supported by four distribution centers located in Pennsylvania, Nevada, Mississippi and Arkansas. With sales of approximately $4,198 million, sales in the United States represented approximately 83% of our total sales in 2010. According to the Electrical Wholesaling Magazine, the U.S. electrical wholesale distribution industry had estimated sales of approximately $80 billion in 2010.
     Canada. To serve our Canadian customers, we operate a network of approximately 50 branches in nine provinces. Branch operations are supported by three distribution centers located in Montreal, Edmonton and Vancouver. With sales of approximately $682 million, sales in Canada represented approximately 13% of our total sales in 2010. Total industry sales in Canada are approximately $5.9 billion in 2010 according to the Canadian Distribution Council.
     Mexico. We have ten branch locations in Mexico. Our headquarters in Tlalnepantla Estado de Mexico operates similar to a distribution center to enhance the service capabilities of the local branches. We pursue business opportunities in the Gulf of Mexico and seek to capitalize on the mining and Maquiladora OEM business opportunities on the United States-Mexican border.
     Other International Locations. We sell to global customers through domestic export sales offices located within North America and sales offices in various international locations. Our operations in Aberdeen, Scotland and Manchester, England support sales efforts in Europe and the Middle East. We have operations in Nigeria and Angola to serve West Africa, an office in United Arab Emirates to serve the Middle East, an office in Singapore to support our sales to Asia and West Africa, an office in Perth to serve customers in Western Australia and an office near Shanghai to serve customers in China. All of our international locations have been established to serve our growing list of customers with global operations.

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The following table sets forth information about us by geographic area:
                                                                         
    Net Sales     Long-Lived Assets  
    Year Ended December 31,     December 31,  
    2010             2009             2008             2010     2009     2008  
 
(In thousands)
                                                                       
United States
  $ 4,198,420       83 %   $ 3,928,182       85 %   $ 5,305,744       87 %   $ 117,767     $ 112,955     $ 120,185  
Canada
    682,415       13 %     559,367       12 %     673,284       11 %     12,446       12,343       10,692  
Mexico
    51,413       1 %     39,032       1 %     36,802       1 %     641       624       764  
 
Subtotal North American Operations
    4,932,248               4,526,581               6,015,830               130,854       125,922       131,641  
Other Foreign
    131,614       3 %     97,373       2 %     95,010       2 %     325       74       128  
 
Total U.S. and Foreign
  $ 5,063,862             $ 4,623,954             $ 6,110,840             $ 131,179     $ 125,996     $ 131,769  
 
Intellectual Property
     We currently have trademarks, patents and service marks registered with the U.S. Patent and Trademark Office. The registered trademarks and service marks include: “WESCO ® ”, our corporate logo and the running man logo. “Go Green with WESCO” and “LEAN GREEN with WESCO” were added to our trademark portfolio in 2009 in an effort to promote our sustainability and environmentally friendly sales and marketing initiatives. These trademarks and service mark applications have been filed in various foreign jurisdictions, including Canada, Mexico, the United Kingdom, Singapore, China, Hong Kong, Thailand and the European Community.
Environmental Matters
     Our facilities and operations are subject to federal, state and local laws and regulations relating to environmental protection and human health and safety. Some of these laws and regulations may impose strict, joint and several liabilities on certain persons for the cost of investigation or remediation of contaminated properties. These persons may include former, current or future owners or operators of properties and persons who arranged for the disposal of hazardous substances. Our owned and leased real property may give rise to such investigation, remediation and monitoring liabilities under environmental laws. In addition, anyone disposing of certain products we distribute, such as ballasts, fluorescent lighting and batteries, must comply with environmental laws that regulate certain materials in these products.
     We believe that we are in compliance, in all material respects, with applicable environmental laws. As a result, we do not anticipate making significant capital expenditures for environmental control matters either in the current year or in the near future.
Seasonality
     Our operating results are not significantly affected by seasonal factors. Sales during the first and fourth quarters are generally 1-3% below the sales of the second and third quarters, due to a reduced level of activity during the winter months of November through February. Sales typically increase beginning in March, with slight fluctuations per month through October. During periods of economic expansion or contraction our sales by quarter have varied significantly.
Website Access
     Our Internet address is www.wesco.com. Information contained on our website is not part of, and should not be construed as being incorporated by reference into, this Annual Report on Form 10-K. We make available free of charge under the “Investors” heading on our website our annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), as well as our Proxy Statements, as soon as reasonably practicable after such documents are electronically filed or furnished, as applicable, with the Securities and Exchange Commission (the “SEC”). You also may read and copy any materials we file with the SEC at the SEC’s Public Reference Room at 100 F Street, NE, Washington, DC 20549-0213. You may obtain information on the operation of the Public Reference Room by calling the SEC at 1-800-SEC-0330. The SEC maintains an Internet site at www.sec.gov that contains reports, proxy and information statements and other information regarding issuers like us who file electronically with the SEC.

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     In addition, our charters for our Executive Committee, Nominating and Governance Committee, Audit Committee and Compensation Committee, as well as our Independence Standards, our Governance Guidelines and our Code of Business Ethics and Conduct for our Directors, officers and employees, are all available on our website in the “Corporate Governance” link under the “Investors” heading.
Forward-Looking Information
     This Annual Report on Form 10-K contains various “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. These statements involve certain unknown risks and uncertainties, including, among others, those contained in Item 1, “Business,” Item 1A, “Risk Factors,” and Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations.” When used in this Annual Report on Form 10-K, the words “anticipates,” “plans,” “believes,” “estimates,” “intends,” “expects,” “projects,” “will” and similar expressions may identify forward-looking statements, although not all forward-looking statements contain such words. Such statements, including, but not limited to, our statements regarding business strategy, growth strategy, competitive strengths, productivity and profitability enhancement, competition, new product and service introductions and liquidity and capital resources are based on management’s beliefs, as well as on assumptions made by and information currently available to, management, and involve various risks and uncertainties, some of which are beyond our control. Our actual results could differ materially from those expressed in any forward-looking statement made by us or on our behalf. In light of these risks and uncertainties, there can be no assurance that the forward-looking information will in fact prove to be accurate. We have undertaken no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

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Executive Officers
     Our executive officers and their respective ages and positions as of February 24, 2011, are set forth below.
             
Name   Age   Position
Roy W. Haley
    64     Executive Chairman
John J. Engel
    49     President and Chief Executive Officer
Stephen A. Van Oss
    56     Senior Vice President and Chief Operating Officer
Richard P. Heyse
    48     Vice President and Chief Financial Officer
Daniel A. Brailer
    53     Vice President, Treasurer and Investor Relations
Allan A. Duganier
    55     Director of Internal Audit
Timothy A. Hibbard
    54     Corporate Controller
Diane E. Lazzaris
    44     Vice President, Legal Affairs
Kimberly G. Windrow
    53     Vice President, Human Resources
Set forth below is biographical information for our executive officers listed above.
     Roy W. Haley has served as Executive Chairman since September 2009 and has been our Chairman of the Board since 1998. Previously, he also served as our Chief Executive Officer from 1994 to September 2009. From 1988 to 1993, Mr. Haley served as Chief Operating Officer, President and as a director of American General Corporation, a diversified financial services company. Mr. Haley also serves as a director and chairman of the audit committees of United Stationers, Inc. and Cambrex Corporation, and as a director of the Federal Reserve Bank of Cleveland.
     John J. Engel has served as President and Chief Executive Officer since September 2009. Previously, Mr. Engel served as our Senior Vice President and Chief Operating Officer from 2004. From 2003 to 2004, Mr. Engel served as Senior Vice President and General Manager of Gateway, Inc. From 1999 to 2002, Mr. Engel served as an Executive Vice President and Senior Vice President of Perkin Elmer, Inc. From 1994 to 1999, Mr. Engel served as a Vice President and General Manager of Allied Signal, Inc. and held various engineering, manufacturing and general management positions at General Electric Company from 1985 to 1994.
     Stephen A. Van Oss has served as Senior Vice President and Chief Operating Officer from September 2009. Previously, Mr. Van Oss served as our Senior Vice President and Chief Financial and Administrative Officer from 2004 to September 2009. From 2000 to 2004, he served as our Vice President and Chief Financial Officer. From 1997 to 2000, Mr. Van Oss served as our Director, Information Technology and, in 1997, as our Director, Acquisition Management. From 1995 to 1996, Mr. Van Oss served as Chief Operating Officer and Chief Financial Officer of Paper Back Recycling of America, Inc. Mr. Van Oss serves as a director of Cooper-Standard Holdings Inc. and as the chairman of its audit committee. He also serves as a trustee of Robert Morris University and is a member of its finance and government committees.
     Richard P. Heyse has served as our Vice President and Chief Financial Officer since June 2009. From April 2005 to May 2009, he served as Vice President and Chief Financial Officer of Innophos Holdings, a North American producer of specialty phosphates. From 2001 to 2005, he served as Division Controller for the chemical and specialty polymers businesses of Eastman Chemical Company. Mr. Heyse also has held various positions in Finance, IT and Engineering with Koch Industries, Eaton Corporation and International Paper.
     Daniel A. Brailer has served as our Vice President, Treasurer and Investor Relations since May 2006. From 1999 to May 2006, he served as our Treasurer and Director of Investor Relations. Prior to joining the Company, Mr. Brailer served in various positions at Mellon Financial Corporation, most recently as Senior Vice President.
     Allan A. Duganier has served as our Director of Internal Audit since January 2006. From 2001 to January 2006, Mr. Duganier served as our Corporate Operations Controller and, from 2000 to 2001, as our Industrial/Construction Group Controller.
     Timothy A. Hibbard has served as our Corporate Controller since July 2006. From 2002 to July 2006, he served as Corporate Controller at Kennametal Inc. From 2000 to February 2002, Mr. Hibbard served as Director of Finance of Kennametal’s Advanced Materials Solutions Group, and, from 1998 to 2000, he served as Controller of Greenfield Industries, Inc., a subsidiary of Kennametal Inc.
     Diane E. Lazzaris has served as our Vice President, Legal Affairs since February 2010. From February 2008 to February 2010, Ms. Lazzaris served as Senior Vice President — Legal, General Counsel and Corporate Secretary of Dick’s Sporting Goods, Inc. From 1994 to February 2008, she held various corporate counsel positions at Alcoa Inc., most recently as Group Counsel to a group of global businesses.

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     Kimberly G. Windrow has served as our Vice President, Human Resources since August 2010. From 2004 until July 2010, Ms. Windrow served as Senior Vice President of Human Resources for The McGraw Hill Companies in the Education segment. From 2000 until July 2004, she served as Senior Vice President of Human Resources for The MONY Group, and from 1988 until 1999, she served in various Human Resource positions at Willis, Inc.
Item 1A. Risk Factors.
     The following factors, among others, could cause our actual results to differ materially from the forward-looking statements we make. All forward-looking statements attributable to us or persons working on our behalf are expressly qualified by the following factors. This information should be read in conjunction with Item 7, Management’s Discussion and Analysis of Financial Condition and Results of Operations, Item 7A, Quantitative and Qualitative Disclosures about Market Risks and the consolidated financial statements and related notes included in this Form 10-K.
Adverse conditions in the global economy and disruptions of financial markets could negatively impact our results of operations.
     Our results of operations are affected by the level of business activity of our customers, which in turn is affected by global economic conditions and market factors impacting the industries and markets that they serve. Although economic conditions have been improving, certain global economies and markets continue to experience significant uncertainty and volatility. Adverse economic conditions or lack of liquidity in various markets, particularly in North America, may adversely affect our revenues and operating results. Economic and financial market conditions also affect the availability of financing for projects and for our customers’ capital or other expenditures, which can result in project delays or cancellations and thus affect demand for our products. There can be no assurance that any governmental responses to economic conditions or disruptions in the financial markets ultimately will stabilize the markets or increase our customers’ liquidity or the availability of credit to our customers. Should one or more of our larger customers declare bankruptcy, it could adversely affect the collectability of our accounts receivable, bad debt reserves and net income. In addition, our ability to access the capital markets may be restricted at a time when we would like, or need, to do so. The global economic and financial environment also may affect our business and financial condition in ways that we currently cannot predict, and there can be no assurance that global economic and market conditions will not adversely affect our results of operations, cash flow or financial position in the future.
An increase in competition could decrease sales or earnings.
     We operate in a highly competitive industry and compete directly with global, national, regional and local providers of our products. Some of our existing competitors have, and new market entrants may have, greater resources than us. Competition is primarily focused in the local service area and is generally based on product line breadth, product availability, service capabilities and price. Other sources of competition are buying groups formed by smaller distributors to increase purchasing power and provide some cooperative marketing capability.
     Existing or future competitors may seek to gain or retain market share by reducing prices, and we may be required to lower our prices or may lose business, which could adversely affect our financial results. Also, to the extent that we do not meet changing customer preferences or demands or to the extent that one or more of our competitors becomes more successful with private label products or otherwise, our ability to attract and retain customers could be materially adversely affected. Existing or future competitors also may seek to compete with us for acquisitions, which could have the effect of increasing the price and reducing the number of suitable acquisitions. In addition, it is possible that competitive pressures resulting from industry consolidation could affect our growth and profit margins.
Our outstanding indebtedness requires debt service commitments that could adversely affect our ability to fulfill our obligations and could limit our growth and impose restrictions on our business.
     As of December 31, 2010, we had $908.3 million of consolidated indebtedness (excludes debt discount), including $150 million in aggregate principal amount of 7.50% Senior Subordinated Notes due 2017 (the “2017 Notes”) and $345.0 million in aggregate principal amount of 6.0% Convertible Senior Debentures due 2029 (the “2029 Debentures”). Our consolidated indebtedness also includes our mortgage facility, revolving credit facility, which has an aggregate borrowing capacity of $375.0 million, and accounts receivable securitization facility (the “Receivables Facility”), through which we sell up to $450 million of our accounts receivable to a third-party conduit. We and our subsidiaries may undertake additional borrowings in the future, subject to certain limitations contained in the instruments governing our indebtedness.
     Our debt service obligations have important consequences, including: our payments of principal and interest reduce the funds available to us for operations, future business opportunities and acquisitions and other purposes; they increase our vulnerability to adverse economic, financial market and industry conditions; our ability to obtain additional financing may be limited; they may hinder

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our ability to adjust rapidly to changing market conditions; we may be required to incur additional interest due to the contingent interest features of the 2029 Debentures, which are embedded derivatives; and our financial results are affected by increased interest costs. Our ability to make scheduled payments of principal and interest on our debt, refinance our indebtedness, make scheduled payments on our operating leases, fund planned capital expenditures or to finance acquisitions will depend on our future performance, which, to a certain extent, is subject to economic, financial, competitive and other factors beyond our control. There can be no assurance that our business will continue to generate sufficient cash flow from operations in the future to service our debt, make necessary capital expenditures or meet other cash needs. If unable to do so, we may be required to refinance all or a portion of our existing debt, to sell assets or to obtain additional financing. Our Receivables Facility is subject to renewal in September 2013, and our revolving credit facility is subject to renewal in November 2013. There can be no assurance that available funding or any sale of additional receivables or additional financing will be possible at the times of renewal in amounts or terms favorable to us, if at all.
     Over the next three years, we expect to repay approximately $413.0 million of indebtedness, of which $370.0 million is related to our Receivables Facility, $39.2 million is related to our mortgage credit facility, $2.9 million is related to capital leases, and $0.2 million is related to our 1.75% Convertible Senior Debentures due 2026 (the “2026 Debentures”) and notes payable associated with acquisitions.
Certain events or conditions could lead to interruptions in our operations, which may materially adversely affect our business, financial condition or results of operations.
     We operate a number of facilities and we coordinate company activities, including information technology systems and administrative services and the like, through our headquarters operations. Our operations depend on our ability to maintain existing systems and implement new technology, which includes allocating sufficient resources to periodically upgrade our information technology systems, and to protect our equipment and the information stored in our databases against both manmade and natural disasters, as well as power losses, computer and telecommunications failures, technological breakdowns, unauthorized intrusions, and other events. If our information technology systems are disrupted, become obsolete or do not adequately support our strategic, operational or compliance needs, it could result in competitive disadvantage and adversely affect our financial results and business operations, including our ability to process orders, receive and ship products, maintain inventories, collect accounts receivable and pay expenses.
     We also depend on accessible office facilities, distribution centers and information technology data centers for our operations to function properly. An interruption of operations at any of our distribution centers could have a material adverse effect on the operations of branches served by the affected distribution center. Such disaster related risks and effects are not predictable with certainty and, although they can be mitigated, they cannot be eliminated. We seek to mitigate our exposures to disaster events in a number of ways. For example, where feasible, we design the configuration of our facilities to reduce the consequences of disasters. We also maintain insurance for our facilities against casualties and we continually evaluate our risks and develop contingency plans for dealing with them. Although we have reviewed and analyzed a broad range of risks applicable to our business, the ones that actually affect us may not be those we have concluded most likely to occur. Furthermore, although our reviews have led to more systematic contingency planning, our plans are in varying stages of development and execution, such that they may not be adequate at the time of occurrence for the magnitude of any particular disaster event that befalls us.
We are subject to costs and risks associated with laws and regulations affecting our business.
     The complex legal and regulatory environment exposes us to compliance and litigation costs and risks that could materially affect our operations and financial results. These laws and regulations may change, sometimes significantly, as a result of political or economic events. They include tax laws and regulations, import and export laws and regulations, government contracting laws and regulations, labor and employment laws and regulations, securities and exchange laws and regulations (and other laws applicable to publicly-traded companies such as the Foreign Corrupt Practices Act), and environmental laws and regulations. In addition, proposed laws and regulations in these and other areas, such as healthcare, could affect the cost of our business operations.
We must attract, retain and motivate key employees, and the failure to do so may adversely affect our business and results of operations.
     Our success depends on hiring, retaining and motivating key employees, including executive, managerial, sales, technical, marketing and support personnel. We may have difficulty locating and hiring qualified personnel. In addition, we may have difficulty retaining such personnel once hired, and key people may leave and compete against us. The loss of key personnel or our failure to attract and retain other qualified and experienced personnel could disrupt or adversely affect our business, its sales and results of operations. In addition, our operating results could be adversely affected by increased costs due to increased competition for employees, higher employee turnover, which may also result in loss of significant customer business, or increased employee benefit costs.

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Acquisitions that we may undertake would involve a number of inherent risks, any of which could cause us not to realize the benefits anticipated to result.
     We have expanded our operations through organic growth and selected acquisitions of businesses and assets and may seek to do so in the future. Acquisitions involve various inherent risks, including: problems that could arise from the integration of the acquired business; uncertainties in assessing the value, strengths, weaknesses, contingent and other liabilities and potential profitability of acquisition candidates; the potential loss of key employees of an acquired business; the ability to achieve identified operating and financial synergies anticipated to result from an acquisition or other transaction; and unanticipated changes in business, industry or general economic conditions that affect the assumptions underlying the acquisition or other transaction rationale. Any one or more of these factors could increase our costs or cause us not to realize the benefits anticipated to result from the acquisition of businesses or assets.
Expansion into new business activities, industries, product lines or geographic areas could subject the company to increased costs and risks and may not achieve the intended results.
     Engaging in or significantly expanding business activities in international product sourcing, sales and services could subject the company to unexpected costs and risks. Such activities could subject us to increased operating costs, product liability, regulatory requirements and reputational risks. Our expansion in new and existing markets, including with manufacturing related or heavy regulated businesses, may present competitive, distribution and regulatory challenges that differ from current ones. We may be less familiar with the target customers and may face different or additional risks, as well as increased or unexpected costs, compared to existing operations. Growth into new markets may also bring us into direct competition with companies with whom we have little or no past experience as competitors. To the extent we are reliant upon expansion into new geographic, industry and product markets for growth and do not meet the new challenges posed by such expansion, our future sales growth could be negatively impacted, our operating costs could increase, and our business operations and financial results could be negatively affected.
Loss of key suppliers, product cost fluctuations, lack of product availability or inefficient supply chain operations could decrease sales and earnings.
     Most of our agreements with suppliers are terminable by either party on 60 days’ notice or less. Our ten largest suppliers in 2010 accounted for approximately 32% of our purchases for the period. Our largest supplier in 2010 was Eaton Corporation, through its Eaton Electrical division, accounting for approximately 12% of our purchases. The loss of, or a substantial decrease in the availability of, products from any of these suppliers, a supplier’s change in sales strategy to rely less on distribution channels, or the loss of key preferred supplier agreements, could have a material adverse effect on our business. Supply interruptions could arise from shortages of raw materials, effects of economic or financial market conditions on a supplier’s operations, labor disputes or weather conditions affecting products or shipments, transportation disruptions, or other reasons beyond our control. In addition, certain of our products, such as wire and conduit, are commodity-price-based products and may be subject to significant price fluctuations which are beyond our control. Furthermore, we cannot be certain that particular products or product lines will be available to us, or available in quantities sufficient to meet customer demand. Such limited product access could cause us to be at a competitive disadvantage. The profitability of our business is also dependent upon the efficiency of our supply chain. An inefficient or ineffective supply chain strategy or operations could increase operational costs, reduce profit margins and adversely affect our business.
Our debt agreements contain restrictions that may limit our ability to operate our business.
     Our credit facilities also require us to maintain specific earnings to fixed expenses and debt to earnings ratios and to meet minimum net worth requirements. Our credit facilities and the indenture governing the 2017 Notes contain, and any of our future debt agreements may contain, certain covenant restrictions that limit our ability to operate our business, including restrictions on our ability to: incur additional debt or issue guarantees; create liens; make certain investments; enter into transactions with our affiliates; sell certain assets; make capital expenditures; redeem capital stock or make other restricted payments; declare or pay dividends or make other distributions to stockholders; and merge or consolidate with any person. Our credit facilities contain additional affirmative and negative covenants, and our ability to comply with these covenants is dependent on our future performance, which will be subject to many factors, some of which are beyond our control, including prevailing economic conditions.
     As a result of these covenants, our ability to respond to changes in business and economic conditions and to obtain additional financing, if needed, may be significantly restricted, and we may be prevented from engaging in transactions that might otherwise be beneficial to us. In addition, our failure to comply with these covenants could result in a default under the Debentures, the 2017 Notes and our other debt, which could permit the holders to accelerate such debt. If any of our debt is accelerated, we may not have sufficient funds available to repay such debt.

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Goodwill and intangible assets recorded as a result of our acquisitions could become impaired.
     As of December 31, 2010, our combined goodwill and intangible assets amounted to $1,146.0 million, net of accumulated amortization. To the extent we do not generate sufficient cash flows to recover the net amount of any investments in goodwill and other intangible assets recorded, the investment could be considered impaired and subject to write-off. We expect to record further goodwill and other intangible assets as a result of future acquisitions we may complete. Future amortization of such other intangible assets or impairments, if any, of goodwill or intangible assets would adversely affect our results of operations in any given period.
There is a risk that the market value of our common stock may decline.
     Stock markets have experienced significant price and trading volume fluctuations, and the market prices of companies in our industry have been volatile. In recent years, volatility and disruption reached unprecedented levels. For some issuers, the markets have exerted downward pressure on stock prices and credit capacity. It is impossible to predict whether the price of our common stock will rise or fall. Trading prices of our common stock will be influenced by our operating results and prospects and by global economic, financial and other factors.
Future sales of our common stock in the public market or issuance of securities senior to our common stock could adversely affect the trading price of our common stock and the value of the Debentures.
     Future sales of substantial amounts of our common stock or equity-related securities in the public market, or the perception that such sales could occur, could adversely affect prevailing trading prices of our common stock and the value of the Debentures and could impair our ability to raise capital through future offerings of equity or equity-related securities. No prediction can be made as to the effect, if any, that future sales of shares of common stock or the availability of shares of common stock for future sale will have on the trading price of our common stock or the value of the Debentures.
There may be future dilution of our common stock.
     To the extent options to purchase common stock under our stock option plans are exercised, holders of our common stock will incur dilution. Additionally, our Debentures include contingent conversion price provisions and options for settlement in shares. Based on our current stock price, the Debentures may be converted into common stock which would increase dilution to our stockholders.
Item 1B. Unresolved Staff Comments.
     None.
Item 2. Properties.
     We have approximately 400 branches, of which approximately 325 are located in the United States, approximately 50 are located in Canada and the remainder are located in Mexico, the United Kingdom, Singapore, China Australia, Africa and the United Arab Emirates. Approximately 20% of our branches are owned facilities, and the remainder are leased.
The following table summarizes our distribution centers:
                 
    Square Feet     Leased/Owned  
Location
               
Warrendale, PA
    194,000     Owned
Sparks, NV
    131,000     Leased
Byhalia, MS
    148,000     Owned
Little Rock, AR
    100,000     Leased
Dorval, QE
    90,000     Leased
Burnaby, BC
    65,000     Owned
Edmonton, AB
    101,000     Leased
     We also lease our 69,000 square-foot headquarters in Pittsburgh, Pennsylvania. We do not regard the real property associated with any single branch location as material to our operations. We believe our facilities are in good operating condition and are adequate for their respective uses.

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Item 3. Legal Proceedings.
     From time to time, a number of lawsuits and claims have been or may be asserted against us relating to the conduct of our business, including routine litigation relating to commercial and employment matters. The outcome of any litigation cannot be predicted with certainty, and some lawsuits may be determined adversely to us. However, management does not believe, based on information presently available, that the ultimate outcome of any such pending matters is likely to have a material adverse effect on our financial condition or liquidity, although the resolution in any quarter of one or more of these matters may have a material adverse effect on our results of operations for that period.
     As initially reported in our 2008 Annual Report on Form 10-K, we are a co-defendant in a lawsuit filed in a state court in Indiana in which a customer alleges that we sold defective products manufactured or remanufactured by others and is seeking monetary damages in the amount of $52 million. We have denied any liability, continue to believe that we have meritorious defenses and intend to vigorously defend ourselves against these allegations. Accordingly, no liability was recorded for this matter as of December 31, 2010.
     Information relating to legal proceedings is included in Note 14, Commitments and Contingencies of the Notes to Consolidated Financial Statements and is incorporated herein by reference.

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PART II
Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities.
     Market, Stockholder and Dividend Information. Our common stock is listed on the New York Stock Exchange under the symbol “WCC.” As of February 21, 2011, there were 43,045,119 shares of common stock outstanding held by approximately 34 holders of record. We have not paid dividends on the common stock and do not presently plan to pay dividends in the foreseeable future. It is currently expected that earnings will be reinvested to support business growth, debt reduction or acquisitions. In addition, our revolving credit facility and the indenture governing the 2017 Notes restrict our ability to pay dividends. See Part II, Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations — Liquidity and Capital Resources.” The following table sets forth the high and low sales prices per share of our common stock, as reported on the New York Stock Exchange, for the periods indicated.
                 
    Sales Prices  
Quarter   High     Low  
 
2009
               
First
  $ 22.42     $ 13.29  
Second
    29.22       17.41  
Third
    29.94       21.58  
Fourth
    30.49       24.65  
 
               
2010
               
First
  $ 35.77     $ 26.91  
Second
    42.62       32.90  
Third
    40.41       31.50  
Fourth
    53.78       38.76  

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Item 6. Selected Financial Data.
     Selected financial data and significant events related to the Company’s financial results for the last five fiscal years are listed below. The financial data should be read in conjunction with the Consolidated Financial Statements and Notes thereto included in Item 8 and with Management’s Discussion and Analysis of Financial Condition and Results of Operations, included in Item 7.
                                         
Year Ended December 31,   2010     2009     2008     2007     2006    
 
(Dollars in millions, except share data)
                                       
Income Statement Data:
                                       
Net sales
  $ 5,063.9     $ 4,624.0     $ 6,110.8     $ 6,003.5     $ 5,320.6  
Cost of goods sold
    4,065.4       3,724.1       4,904.2       4,781.4       4,234.1  
Selling, general and administrative expenses
    763.7       693.9       834.3       791.1       692.9  
Depreciation and amortization
    23.9       26.0       26.7       36.8       28.7  
 
Income from operations
    210.9       180.0       345.6       394.2       364.9  
Interest expense, net
    57.6       53.8       64.2       76.5       29.8  
Gain on debt exchange(1)
          (6.0 )                  
Other (income) expense(2)
    (4.3 )     (5.0 )     (9.4 )           22.8  
 
Income before income taxes
    157.6       137.2       290.8       317.7       312.3  
Provision for income taxes(3)
    42.2       32.1       86.7       85.2       98.2  
 
Net income
  $ 115.4     $ 105.1     $ 204.1     $ 232.5     $ 214.1  
 
Earnings per common share
                                       
Basic
  $ 2.72     $ 2.49     $ 4.82     $ 5.09     $ 4.40  
Diluted
  $ 2.50     $ 2.46     $ 4.71     $ 4.82     $ 4.08  
Weighted average common shares outstanding
                                       
Basic
    42,498,728       42,281,955       42,357,748       45,699,537       48,724,343  
Diluted
    46,112,866       42,671,945       43,305,725       48,250,329       52,463,694  
 
                                       
Other Financial Data:
                                       
Capital expenditures
  $ 15.1     $ 13.0     $ 35.3     $ 16.1     $ 18.4  
Net cash provided by operating activities
    127.3       291.7       279.9       262.3       207.1  
Net cash (used) provided by investing activities
    (220.5 )     (10.7 )     16.4       (48.0 )     (555.9 )
Net cash (used) provided by financing activities
    30.6       (264.9 )     (265.0 )     (212.6 )     400.1  
 
                                       
Balance Sheet Data:
                                       
Total assets
  $ 2,826.8     $ 2,494.2     $ 2,719.9     $ 2,858.3     $ 2,822.0  
Total debt (including current portion and short-term debt)(4)
    729.9       691.8       1,100.3       1,261.3       1,071.6  
Stockholders’ equity(5)
    1,148.6       996.3       755.1       640.1       803.0  
 
 
(1)   Represents the gain related to the 2009 convertible debt exchange. See Note 7 of the Notes to Consolidated Financial Statements.
 
(2)    In 2010, 2009 and 2008, represents income from the LADD joint venture. See Note 9 of the notes to consolidated financial statements. In 2006 represents costs relating to the sale of accounts receivable pursuant to our Receivables Facility. Prior to the amendment and restatement of the Receivables Facility in December 2007, costs related to the facility were recorded as other expense in the consolidated statement of income.
 
(3)   In 2007, a benefit of $8.5 million from the reversal of the valuation allowance against the net deferred tax asset resulted in an unusually low provision for income taxes.
 
(4)   Includes the discount related to the Debentures. See Note 7 of the Notes to Consolidated Financial Statements.
 
(5)   Stockholders’ equity includes amounts related to the Debentures. See Note 7 of the Notes to Consolidated Financial Statements.

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Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations.
     The following discussion should be read in conjunction with the audited consolidated financial statements and notes thereto included in Item 8 of this Annual Report on Form 10-K.
Company Overview
     In 2010, we strengthened our organization and talent base, made improvements to our capital structure, expanded our international presence, accelerated our LEAN initiatives and completed two accretive acquisitions. Our financial results reflect improving conditions in our served markets, higher product prices and product costs, favorable foreign currency exchange rates and the positive impact of our recent acquisitions. Sales increased $439.9 million, or 9.5%, over the prior year. Cost of goods sold as a percentage of net sales was 80.3% and 80.5% in 2010 and 2009, respectively. Operating income increased to $210.9 million, or 17.2%, primarily from organic growth. As a result, net income increased 9.9% over the prior year to $115.5 million. Diluted earnings per share were $2.50 in 2010, compared with $2.46 in 2009.
     Our end markets consist of industrial firms, electrical and data communications contractors, utilities and commercial organizations, institutions and governmental entities. Our transaction types to these markets can be categorized as stock, direct ship and special order. Stock orders are filled directly from existing inventory and represent approximately 46% of total sales. Approximately 43% of our total sales are direct ship sales. Direct ship sales are typically custom-built products, large orders or products that are too bulky to be easily handled and, as a result, are shipped directly to the customer from the supplier. Special orders are for products that are not ordinarily stocked in inventory and are ordered based on a customer’s specific request. Special orders represent the remainder of total sales.
     We have historically financed our working capital requirements, capital expenditures, acquisitions, share repurchases and new branch openings through internally generated cash flow, debt issuances, borrowings under our credit facilities and funding through our Receivables Facility.
Cash Flow
     We generated $127.3 million in operating cash flow during 2010. Included in this amount was increased operating results offset by investments in working capital to fund our growth. Investing activities included payments of $265.4 million for the acquisition of the businesses of TVC Communications and Potelcom. Refer to Note 5 of our notes to the consolidated financial statements for additional information regarding the recent TVC Communications acquisition. Investing activities also included proceeds from the sale of our 40% interest in the LADD joint venture. Proceeds included $40.0 million for our 40% interest, plus $15.0 million for the collection of a promissory note. Refer to Note 9 of our notes to the consolidated financial statements for additional information regarding the LADD joint venture. Financing activities during 2010 consisted of borrowings and repayments of $636.0 million and $832.5 million, respectively, related to our revolving credit facility, and borrowings and repayments of $818.0 million and $493.0 million, respectively, related to our Receivables Facility and payments of $92.3 million related to the redemption of our 2.625% Convertible Senior Debentures due 2025 (“2025 Debentures”).
Financing Availability
     As of December 31, 2010, we had $325.5 million in total available borrowing capacity. The available borrowing capacity under our revolving credit facility, which has a maturity date of November 1, 2013, was $276.7 million, of which $218.0 million was the U.S. sub-facility borrowing limit and $58.7 million was the Canadian sub-facility borrowing limit. The available borrowing capacity under the Receivables Facility, which has a maturity date of September 6, 2013, was $48.8 million. In addition, in August 2009, we completed an exchange offer pursuant to which we issued $345.0 million in aggregate principal amount of 2029 Debentures in exchange for approximately $299.7 million and $57.7 million in aggregate principal amounts of our 2026 Debentures and 2025 Debentures, respectively. On December 23, 2010, we completed the conversion and redemption of all our outstanding 2025 Debentures. Our 2029 Debentures cannot be redeemed or repurchased until September 2016. For further discussion related to the Debentures, refer to Note 6 of the notes to our consolidated financial statements. We monitor the depository institutions that hold our cash and cash equivalents on a regular basis, and we believe that we have placed our deposits with creditworthy financial institutions. For further discussions refer to “Liquidity and Capital Resources.”
Critical Accounting Policies and Estimates
     Our discussion and analysis of our financial condition and results of operations are based upon our consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States of America. The preparation of these financial statements requires us to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses and related disclosure of contingent assets and liabilities. On an ongoing basis, we evaluate our

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estimates, including those related to supplier programs, bad debts, inventories, insurance costs, goodwill, income taxes, contingencies and litigation. We base our estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates. If actual market conditions are less favorable than those projected by management, additional adjustments to reserve items may be required. We believe the following critical accounting policies affect our judgments and estimates used in the preparation of our consolidated financial statements.
     Revenue Recognition
     Revenues are recognized for product sales when title, ownership and risk of loss pass to the customer, or for services when the service is rendered. In the case of stock sales and special orders, a sale occurs at the time of shipment from our distribution point, as the terms of our sales are FOB shipping point. In cases where we process customer orders but ship directly from our suppliers, revenue is recognized once product is shipped and title has passed. For some of our customers, we provide services such as inventory management or other specific support. Revenues are recognized upon evidence of fulfillment of the agreed upon services. In all cases, revenue is recognized once the sales price to our customer is fixed or is determinable and we have reasonable assurance as to the collectability.
     Allowance for Doubtful Accounts
     We maintain allowances for doubtful accounts for estimated losses resulting from the inability of our customers to make required payments. We have a systematic procedure using estimates based on historical data and reasonable assumptions of collectibles made at the local branch level and on a consolidated corporate basis to calculate the allowance for doubtful accounts.
     Excess and Obsolete Inventory
     We write down our inventory for estimated unmarketable inventory equal to the difference between the cost of inventory and the estimated market value based upon assumptions about future demand and market conditions. A systematic procedure is used to determine unmarketable inventory reflecting historical data and reasonable assumptions for the percentage of excess and obsolete inventory on a consolidated basis.
     Supplier Volume Rebates
     We receive rebates from certain suppliers based on contractual arrangements with them. Since there is a lag between actual purchases and the rebates received from the suppliers, we must estimate and accrue the approximate amount of rebates available at a specific date. We record the amounts as other accounts receivable on the balance sheet. The corresponding rebate income is recorded as a reduction of cost of goods sold. The appropriate level of such income is derived from the level of actual purchases made by us from suppliers. Supplier volume rebate rates have historically ranged between approximately 0.8% and 1.2% of sales depending on market conditions. In 2010, the rebate rate was above the historical average rate of approximately 1.0% of sales and toward the high end of the historical range.
     Goodwill and Indefinite Life Intangible Assets
     We test goodwill and indefinite life intangible assets for impairment annually during the fourth quarter using information available at the end of September, or more frequently when events or circumstances occur indicating that their carrying value may not be recoverable. We test for impairment on a reporting unit level. The evaluation of impairment involves comparing the current fair value of goodwill and indefinite life intangible assets to the recorded value. We estimate the fair value of goodwill using a combination of discounted cash flow analyses and market multiples. Assumptions used for these fair value techniques are based on a combination of historical results, current forecasts, market data and recent economic events. We evaluate the recoverability of indefinite life intangible assets using a discounted cash flow analysis based on projected financial information. The determination of fair value involves significant management judgment and we apply our best judgment when assessing the reasonableness of financial projections. Two primary assumptions were a discount rate of 10.8% and a terminal growth rate of 4.4%.
     A possible indicator of impairment is the relationship of a company’s market capitalization to its book value. As of December 31, 2010, our market capitalization exceeded our book value and there were no reporting units sensitive to impairment. We cannot predict whether or not there will be certain events that could adversely affect the reported value of goodwill and trademarks, which totaled $1,031.4 million and $901.3 million at December 31, 2010 and 2009, respectively.
     Intangible Assets
     We account for certain economic benefits purchased as a result of our acquisitions, including customer relations, distribution agreements, technology and trademarks, as intangible assets. Except for trademarks, which have an indefinite life, we amortize intangible assets over a useful life determined by the expected cash flows produced by such intangibles and their respective tax benefits. Useful lives vary between 4 and 19 years, depending on the specific intangible asset.

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     Insurance Programs
     We use commercial insurance for auto, workers’ compensation, casualty and health claims as a risk sharing strategy to reduce our exposure to catastrophic losses. Our strategy involves large deductibles where we must pay all costs up to the deductible amount. We estimate our reserve based on historical incident rates and costs.
     Income Taxes
     We recognize deferred tax assets and liabilities for expected future tax consequences of events that have been included in our consolidated financial statements or tax returns. Deferred tax assets and liabilities are determined based on the difference between the financial reporting and the tax bases of assets and liabilities using enacted tax rates in effect for the year in which the differences are expected to reverse.
     We record our deferred tax assets at amounts that are expected to be realized. We evaluate future taxable income and potential tax planning strategies in assessing the potential need for a valuation allowance. Should we determine that it is more likely than not that we would not be able to realize all or part of our deferred tax assets in the future, an adjustment to the deferred tax asset would be charged to income in the period such determination was made.
     We account for uncertainty in income taxes using a recognition threshold and measurement attribute prescribed by income tax accounting guidance. We frequently review tax issues and positions taken on tax returns to determine the need and amount of contingency reserves necessary to cover any probable audit adjustments.
     Convertible Debentures
     We separately account for the liability and equity components of our convertible debentures in a manner that reflects our nonconvertible debt borrowing rate. We estimate our non-convertible debt borrowing rate through a combination of discussions with our financial institutions and review of relevant market data. The discounts to the convertible note balances are amortized to interest expense, using the effective interest method, over the implicit life of the debentures.
     Stock-Based Compensation
          Our stock-based employee compensation plans are comprised of stock options, stock-settled stock appreciation rights and restricted stock units. Compensation cost for all stock-based awards is measured at fair value on the date of grant, and compensation cost is recognized, net of estimated forfeitures, over the service period for awards expected to vest. The fair value of stock options and stock-settled appreciation rights is determined using the Black-Scholes valuation model. Expected volatilities are based on historical volatility of our common stock. We estimate the expected life of stock options and stock-settled stock appreciation rights using historical data pertaining to option exercises and employee terminations. The risk-free rate is based on the U.S. Treasury yields in effect at the time of grant. The forfeiture assumption is based on our historical employee behavior, which we review on an annual basis. The fair value of restricted stock units is determined by the grant-date closing price of our common stock. No dividends are assumed for stock based awards.

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Results of Operations
     The following table sets forth the percentage relationship to net sales of certain items in our consolidated statements of income for the periods presented.
                         
Year Ended December 31,   2010     2009     2008  
 
Net sales
    100.0 %     100.0 %     100.0 %
Cost of goods sold
    80.3       80.5       80.3  
Selling, general and administrative expenses
    15.1       15.0       13.7  
Depreciation and amortization
    0.5       0.6       0.4  
 
Income from operations
    4.1       3.9       5.6  
Interest expense
    1.1       1.1       1.0  
Gain on debt exchange
          (0.1 )      
Other income
    (0.1 )     (0.1 )     (0.2 )
 
Income before income taxes
    3.1       3.0       4.8  
Provision for income taxes
    0.8       0.7       1.4  
 
Net income
    2.3 %     2.3 %     3.4 %
 
2010 Compared to 2009
     Net Sales. Sales in 2010 increased 9.5% to $5,063.9 million, compared with $4,624.0 million in 2009. Sales were positively impacted by our growth initiatives, improved conditions in our markets served, higher product prices due primarily to rising supplier product and commodity prices, favorable foreign currency exchange rates and the acquisitions completed in 2010.
     Cost of Goods Sold. Cost of goods sold increased 9.2% in 2010 to $4,065.4 million, compared with $3,724.1 million in 2009. Cost of goods sold as a percentage of net sales was 80.3% in 2010 versus 80.5% in 2009. The decrease in the cost of goods sold percentage was primarily due to higher supplier volume rebate rates, which were driven by the increase in sales.
     Selling, General and Administrative (“SG&A”) Expenses. SG&A expenses include costs associated with personnel, shipping and handling, travel, advertising, facilities, utilities and bad debts. SG&A expenses increased by $69.7 million, or 10.0%, to $763.6 million in 2010 due to the increase in commissions and incentives and the restoration of temporary cost and benefit reductions taken in the prior year. As a percentage of net sales, SG&A expenses increased to 15.1% of sales, compared with 15.0% in 2009, reflecting the impact of the reinstatement of discretionary benefits, the absence of mandatory unpaid leave of absences in the current year, an impairment charge related to our 40% interest in the LADD joint venture and an increase in variable operating expenses partially offset by the decrease in severance costs related to headcount cost reduction actions taken in the prior year. SG&A payroll expenses for 2010 of $527.5 million increased by $60.5 million compared to 2009. The increase in payroll expense was primarily due to the increase in commissions and incentives of $27.8 million, the net impact of $24.3 million related to temporary cost reductions taken in the prior year and an increase in temporary labor costs of $5.2 million. Other SG&A payroll related costs increased by $3.2 million. Contributing to the remaining change in SG&A expenses was a charge of $3.8 million related to the impairment of our 40% interest in the LADD joint venture and an increase in various operating expenses of $5.4 million due to the increase in business activity levels.
     Depreciation and Amortization. Depreciation and amortization decreased $2.1 million to $23.9 million in 2010, compared with $26.0 million in 2009. The decrease in depreciation and amortization was due to the reduction in capital expenditures in 2009 and 2010.
     Income from Operations. Income from operations increased by $31.0 million, or 17.2%, to $210.9 million in 2010, compared to $180.0 million in 2009. The increase in operating income was primarily due to improved conditions in our markets served.
     Interest Expense. Interest expense totaled $57.6 million in 2010, compared with $53.8 million in 2009, an increase of 7.1%. Interest expense was impacted by an increase in interest rates and interest expense of $4.2 million resulting from the resolution of a tax matter dating back a number of years. Interest rates increased upon amending both the Receivables Facility and the revolving credit facility in April 2009 and February 2010, respectively. The Receivables Facility was amended again in September 2010 to, among other things, reduce the program fee and commitment fee. It is expected that these changes will have a favorable impact on interest expense in the future. Amortization of the debt discount resulted in non-cash interest expense of $4.3 million in 2010 and $11.8 million in 2009.

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     Other Income. Other income, comprised of equity income from the LADD joint venture, totaled $4.3 million in 2010 versus $5.0 million in 2009. The decrease in other income is due to the sale of our 40% interest in the LADD joint venture, on June 7, 2010, to Deutsch Engineered Connecting Devices, Inc. (“Deutsch”), previously the 60% owner of the LADD joint venture. We accounted for our investment in the LADD joint venture on an equity basis, and earnings were reported as other income in the consolidated statement of income. We received equity income through May 31, 2010 and distributions through April 20, 2010, the date Deutsch notified WESCO of its exercise of its option to purchase the remaining 40% of the LADD joint venture. As a result of this transaction, in the future there will be no other income reported for the LADD joint venture.
     Income Taxes. Our effective income tax rate increased to 26.7% in 2010, compared with 23.4% in 2009, primarily as a result of the increase in taxable income in the United States partially offset by the resolution of tax positions related to transfer pricing between Canada and the United States.
     Net Income. Net income and diluted earnings per share on a consolidated basis totaled $115.5 million and $2.50 per share, respectively, in 2010, compared with $105.1 million and $2.46 per share, respectively, in 2009.
2009 Compared to 2008
     Net Sales. Sales in 2009 decreased 24.3% to $4,624.0 million, compared with $6,110.8 million in 2008. Sales were negatively impacted by weak market conditions, lower commodity prices, and unfavorable foreign currency exchange rates.
     Cost of Goods Sold. Cost of goods sold decreased 24.1% in 2009 to $3,724.1 million, compared with $4,904.2 million in 2008 and cost of goods sold as a percentage of net sales was 80.5% in 2009 versus 80.3% in 2008. The cost of goods sold percentage increased due to lower supplier volume rebate rates, which resulted in a decrease in rebate income of $21.4 million and a reduction in cash discounts of $11.9 million due to a decrease in inventory purchases.
     Selling, General and Administrative Expenses. SG&A expenses include costs associated with personnel, shipping and handling, travel, advertising, facilities, utilities and bad debts. SG&A expenses decreased by $140.4 million, or 16.8%, to $693.9 million in 2009 due to aggressive cost reduction actions. As a percentage of net sales, SG&A expenses increased to 15.0% of sales, compared with 13.7% in 2008, reflecting a decrease in sales volume. SG&A payroll expenses for 2009 of $467.0 million decreased by $96.1 million compared to 2008. Contributing to the decrease in payroll expenses was the decrease in salaries and wages of $40.0 million, a decrease in commission and incentive costs of $35.1 million, a decrease in benefit costs of $13.6 million and a decrease in temporary labor costs of $5.9 million. Other SG&A payroll related costs decreased by $1.5 million. Contributing to the remaining change in SG&A expenses was bad debt expense which decreased to $6.1 million in 2009, compared with $10.1 million for 2008, due to significant charges recorded in last year’s comparable period. Also included in this year’s SG&A expenses was a decrease in travel costs of $12.9 million, a decrease in transportation costs of $10.2 million, a decrease in other operating expenses of $6.9 million, a decrease in occupancy costs of $4.8 million and a decrease in supplies cost of $3.9 million. Other SG&A expenses decreased by $1.6 million.
     Depreciation and Amortization. Depreciation and amortization decreased $0.7 million to $26.0 million in 2009, compared with $26.7 million in 2008. The decrease in depreciation and amortization was due to the reduction in capital expenditures in 2009.
     Income from Operations. Income from operations decreased by $165.7 million, or 47.9%, to $180.0 million in 2009, compared to $345.7 million in 2008. The decrease in operating income was primarily due to the decline in sales attributable to the weak market conditions.
     Interest Expense. Interest expense totaled $53.8 million in 2009, compared with $64.2 million in 2008, a decrease of 16.2%. Interest expense was impacted by both the reduction in interest rates and the decrease in debt. Amortization of the debt discount resulted in non-cash interest expense of $11.8 million in 2009 and $14.5 million in 2008.
     Other Income. Other income, comprised of equity income from the LADD joint venture, totaled $5.0 million in 2009 versus $9.4 million in 2008. We accounted for our investment in the LADD joint venture on an equity basis, and earnings were reported as other income in the consolidated statement of income. The decrease in other income is due to the decrease in the joint venture’s income.
     Income Taxes. Our effective income tax rate decreased to 23.4% in 2009, compared with 29.8% in 2008, primarily as a result of the impact from foreign jurisdictions.
     Net Income. Net income and diluted earnings per share on a consolidated basis totaled $105.1 million and $2.46 per share, respectively, in 2009, compared with $204.1 million and $4.71 per share, respectively, in 2008.
Liquidity and Capital Resources
     Total assets were $2.8 billion at December 31, 2010, compared to $2.5 billion at December 31, 2009. The $332.6 million increase in total assets was principally attributable to the purchase of the business of TVC Communications. The allocation of the purchase price of the business of TVC Communications resulted in goodwill and intangible assets of $109.2 million and $86.4 million,

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respectively. These increases were partially offset by a decrease in cash of $58.8 million and a decrease in investment in subsidiary of $44.0 million related to the sale of our 40% interest in the LADD joint venture. Total liabilities at December 31, 2010 compared to December 31, 2009 increased by $180.3 million to $1.7 billion. Contributing to the increase in total liabilities was an increase in accounts payable of $84.4 million due to the increase in purchasing activity and the acquisition of the business of TVC Communications; an increase in current and long-term debt of $38.0 million; an increase in accrued payroll and benefit costs of $36.0 million due to the increase in commissions and incentives; and an increase in deferred income taxes of $17.1 million. Stockholders’ equity increased by 15.3% to $1,148.6 million at December 31, 2010, compared with $996.3 million at December 31, 2009, primarily as a result of net earnings of $115.5 million, stock-based compensation expense of $15.8 million, foreign currency translations adjustment of $11.6 million and the redemption of our 2025 Debentures which resulted in an increase of $5.2 million to additional capital.
     The following table sets forth our outstanding indebtedness:
                 
As of December 31,   2010     2009  
 
(In thousands)
               
Mortgage financing facility
  $ 39,239     $ 40,807  
Accounts receivable securitization facility
    370,000       45,000  
Revolving credit facility
          196,500  
7.50% Senior Subordinated Notes due 2017
    150,000       150,000  
2.625% Convertible Senior Debentures due 2025, less debt discount of $2,134 in 2009
          90,193  
1.75% Convertible Senior Debentures due 2026, less debt discount of $7 and $16 in 2010 and 2009, respectively
    214       218  
6.0% Convertible Senior Debentures due 2029, less debt discount of $178,420 and $180,539 in 2010 and 2009, respectively
    166,580       164,461  
Acquisition related notes
    204       321  
Capital leases
    3,167       4,346  
Other
    477        
 
Total debt
    729,881       691,846  
Less current portion
    (3,988 )     (93,977 )
 
Total long-term debt
  $ 725,893     $ 597,869  
 
     The required annual principal repayments for all indebtedness for the next five years and thereafter, as of December 31, 2010 is set forth in the following table:
         
(In thousands)
       
2011
  $ 3,988  
2012
    2,678  
2013
    406,302  
2014
    296  
2015
    44  
Thereafter
    495,000  
 
Total payments on debt
    908,308  
Debt discount on convertible debentures
    (178,427 )
 
Total long-term debt
  $ 729,881  
 
     Our liquidity needs generally arise from fluctuations in our working capital requirements, capital expenditures, share repurchases, acquisitions and debt service obligations. As of December 31, 2010, we had $276.7 million in available borrowing capacity under our revolving credit facility, which combined with our $48.8 million of available borrowing capacity under our Receivables Facility and our invested cash provided liquidity of $338.0 million. During the second quarter of 2010, we used proceeds from the sale of our 40% interest in the LADD joint venture, net of payments for the acquisition of the business of Potelcom to pay down our variable rate debt. During the fourth quarter of 2010, we used borrowings under the Receivables Facility and cash to fund the acquisition price paid for the business of TVC Communications. We believe cash provided by operations and financing activities will be adequate to cover our current operational and business needs.

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     We communicate on a regular basis with our lenders regarding our financial and working capital performance and liquidity position. We are in compliance with all covenants and restrictions contained in our debt agreements as of December 31, 2010.
     Over the next several quarters, we expect to maintain working capital productivity, and it is expected that excess cash will be directed primarily at debt reduction and acquisitions. Our near term focus will be managing our cost structure as we experience sales growth and maintaining ample liquidity and credit availability. We anticipate capital expenditures to increase in 2011 by approximately $10.0 million to $25.0 million. We believe our balance sheet and ability to generate ample cash flow provides us with a durable business model and should allow us to fund expansion needs and growth initiatives during this time of economic recovery.
     We finance our operating and investing needs as follows:
Mortgage Financing Facility
     In 2003, we finalized a mortgage financing facility of $51.0 million, $39.2 million of which was outstanding as of December 31, 2010. Total borrowings under the mortgage financing facility are subject to a 22-year amortization schedule, with a balloon payment due at the end of the 10-year term. The interest rate on borrowings under this facility is fixed at 6.5%.
Accounts Receivable Securitization Facility
     During 2010, we entered into amendments of our existing Receivables Facility, pursuant to the terms and conditions of the Second and Third Amendments to Third Amended and Restated Receivables Purchase Agreement, dated as of April 13, 2009 (the “Agreement”), by and among WESCO Receivables Corp., WESCO Distribution, Inc. (“WESCO Distribution”), the Purchasers and Purchaser Agents party thereto and PNC Bank, National Association, as Administrator. The Second Amendment lowered the program fee from 3.0% to 1.75%, the commitment fee from 1.0% to 0.75%, and extended the term of the Receivables Facility to September 6, 2013. The Third Amendment increased the purchase commitment from $400 million to $450 million and added TVC Communications as an originator under the facility.
     Under the Receivables Facility, we sell, on a continuous basis, an undivided interest in all domestic accounts receivable to WESCO Receivables Corp., a wholly owned special purpose entity (the “SPE”). The SPE sells, without recourse, a senior undivided interest in the receivables to third-party conduits and financial institutions for cash while maintaining a subordinated undivided interest in the receivables, in the form of overcollateralization. We have agreed to continue servicing the sold receivables for the third-party conduits and financial institutions at market rates; accordingly, no servicing asset or liability has been recorded.
     As of December 31, 2010 and 2009, accounts receivable eligible for securitization totaled approximately $537.0 million and $439.7 million, respectively. The consolidated balance sheets as of December 31, 2010 and 2009 reflect $370.0 million and $45.0 million, respectively, of account receivable balances legally sold to third parties, as well as borrowings for equal amounts. At December 31, 2010, the interest rate on borrowings under this facility was approximately 2.2%.
Revolving Credit Facility
     At December 31, 2010, the aggregate borrowing capacity under the revolving credit facility was $375 million. The revolving credit facility consists of two separate sub-facilities: (i) a U.S. sub-facility and (ii) a Canadian sub-facility and includes a letter of credit sub-limit of up to $55 million. The facility matures on November 1, 2013 and is collateralized by the inventory of WESCO Distribution and the inventory and accounts receivable of WESCO Distribution Canada, L.P. WESCO Distribution’s obligations under the revolving credit facility have been guaranteed by WESCO International and by certain of WESCO Distribution’s subsidiaries.
     During 2010, we entered into Limited Consents and Amendments No. 4, 5 and 6 (the “Amendments”), respectively, to our Third Amended and Restated Revolving Credit Agreement, dated November 1, 2006 (the “Agreement”). The Amendments permit us to complete certain legal entity restructuring actions, issue additional surety bonds, and invest additional resources in foreign subsidiaries. In addition, the Amendments enhance our hedging capacities and include TVC Communications and certain of its subsidiaries as parties under the Agreement.
     Pursuant to the terms of Amendment No. 4, we agreed to modify the Applicable Margins (as defined in the Agreement) paid to the lenders on borrowings and letters of credit. Availability under the facility is limited to the amount of eligible U.S. and Canadian inventory and Canadian receivables applied against certain advance rates. Depending upon the amount of excess availability under the facility, interest will be calculated at LIBOR plus a margin that ranges between 2.25% and 2.875% or at the Index Rate (prime rate published by the Wall Street Journal) plus a margin that ranges between 1.00% and 1.625%. This change represented a 1.125% to 1.25% adjustment in borrowing margin over the previous rates. The fee for unused capacity associated with the facility was not changed and will range between 0.25% and 0.375%. At December 31, 2010, the interest rate on borrowings under this facility was approximately 2.8%.
     As long as the average daily excess availability for both the preceding and projected succeeding 90-day period is greater than $50 million, we would be permitted to make acquisitions and repurchase outstanding public stock and bonds. The above permitted

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transactions also are allowed if such excess availability is between $25 million and $50 million and our fixed charge coverage ratio, as defined by Agreement, is at least 1.25 to 1.0 after taking into consideration the permitted transaction. Additionally, if excess availability under the revolving credit facility is less than $60 million, then we must maintain a fixed charge coverage ratio of 1.1 to 1.0.
     During 2010, we borrowed $636.0 million in the aggregate under the revolving credit facility and made repayments in the aggregate amount of $832.5 million. During 2009, aggregate borrowings and repayments were $308.7 million and $309.7 million, respectively. At December 31, 2010, we did not have a balance outstanding under the facility. We had $276.7 million available under the facility at December 31, 2010, after giving effect to outstanding letters of credit, as compared to approximately $87.4 million at December 31, 2009.
7.50% Senior Subordinated Notes due 2017
     At December 31, 2010, $150 million in aggregate principal amount of the 2017 Notes was outstanding. The 2017 Notes were issued by WESCO Distribution under an indenture dated as of September 27, 2005, with The Bank of New York, as successor to J.P. Morgan Trust Company, National Association, as trustee, and are unconditionally guaranteed on an unsecured senior basis by WESCO International. The 2017 Notes accrue interest at the rate of 7.50% per annum and are payable in cash semi-annually in arrears on each April 15 and October 15.
     At any time on or after October 15, 2010, we may redeem all or a part of the 2017 Notes. Between October 15, 2010 and October 14, 2011, we may redeem all or a part of the 2017 Notes at a redemption price equal to 103.75% of the principal amount. Between October 15, 2011 and October 14, 2012, we may redeem all or a part of the 2017 Notes at a redemption price equal to 102.50% of the principal amount. On and after October 15, 2013, we may redeem all or a part of the 2017 Notes at a redemption price equal to 100% of the principal amount.
     If WESCO Distribution undergoes a change of control prior to maturity, holders of 2017 Notes will have the right, at their option, to require us to repurchase for cash some or all of their 2017 Notes at a repurchase price equal to 101% of the principal amount of the 2017 Notes being repurchased, plus accrued and unpaid interest to, but not including, the repurchase date.
2.625% Convertible Senior Debentures due 2025
     Proceeds of $150 million were received in connection with the issuance of the 2025 Debentures by WESCO International under an indenture dated as of September 27, 2005 with The Bank of New York, as successor to J.P. Morgan Trust Company, National Association, as Trustee, and were unconditionally guaranteed on an unsecured senior subordinated basis by WESCO Distribution. On August 27, 2009, WESCO International completed an exchange offer pursuant to which it issued $345.0 million in aggregate principal amount of 2029 Debentures in exchange for approximately $299.7 million and $57.7 million in aggregate principal amounts of its outstanding 2026 Debentures and 2025 Debentures, respectively (see the discussion below under “6.0% Convertible Senior Debentures due 2029” for additional information). On November 19, 2010, WESCO International, Inc. announced that it would redeem all of its outstanding 2025 Debentures. In connection with the redemption, holders of $89.8 million aggregate principal amount of 2025 Debentures converted their debentures. In settlement of those conversions, we paid an aggregate of approximately $89.8 million in cash, including cash in lieu of fractional shares, and issued 340,213 shares of our common stock. We redeemed the remaining $2.5 million aggregate principal amount of outstanding 2025 Debentures at a redemption price equal to 100% of the principal amount plus accrued and unpaid interest. As of December 31, 2010, there were no 2025 Debentures outstanding.
     On January 1, 2009, we retrospectively applied the provisions of guidance concerning convertible debt instruments to the 2025 Debentures. We utilized an interest rate of 6% to reflect the non convertible market rate of our offering upon issuance. We amortized the debt discount over a five year period starting on the date of issuance. Non-cash interest expense of $2.1 million, $4.0 million and $4.3 million was recorded for the years ended December 31, 2010, 2009 and 2008, respectively.
1.75% Convertible Senior Debentures due 2026
     Proceeds of $300 million were received in connection with the issuance of the 2026 Debentures by WESCO International under an indenture dated as of November 2, 2006 with The Bank of New York, as Trustee, and are unconditionally guaranteed on an unsecured senior subordinated basis by WESCO Distribution. On August 27, 2009, WESCO International completed an exchange offer pursuant to which it issued $345.0 million in aggregate principal amount of 2029 Debentures in exchange for approximately $299.7 million and $57.7 million in aggregate principal amounts of its outstanding 2026 Debentures and 2025 Debentures, respectively (see the “6.0% Convertible Senior Debentures due 2029” discussion below for additional information). We intend to redeem the remaining $0.2 million of the outstanding 2026 Debentures during 2011.

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     On January 1, 2009, we retrospectively applied the provisions of guidance concerning convertible debt instruments to the 2026 Debentures. We utilized an interest rate of 6% to reflect the non convertible market rate of its offering upon issuance. We are amortizing the debt discount over a five year period starting on the date of issuance. Non-cash interest expense of less than $0.1 million, $7.1 million and $10.2 million was recorded for the years ended December 31, 2010, 2009 and 2008, respectively. The debt discount amortization will be less than $0.1 million in 2011.
6.0% Convertible Senior Debentures due 2029
     On August 27, 2009, WESCO International completed an exchange offer pursuant to which it issued $345.0 million in aggregate principal amount of 2029 Debentures in exchange for approximately $299.7 million and $57.7 million in aggregate principal amounts of its outstanding 2026 Debentures and 2025 Debentures, respectively. As a result of the debt exchange, WESCO recorded a gain of $6.0 million, which included the write-off of debt issuance costs. The 2029 Debentures were issued pursuant to an Indenture dated August 27, 2009 (the “Indenture”), with The Bank of New York Mellon, as trustee, and are unconditionally guaranteed on an unsecured senior subordinate basis by WESCO Distribution.
     We utilized an interest rate of 13.875% to reflect the non-convertible debt borrowing rate of our offering upon issuance, which was determined based on discussions with our financial institutions and a review of relevant market data, and resulted in a $181.2 million discount to the 2029 Debenture balance and a net increase in additional capital of $106.5 million. In addition, the financing costs related to the issuance of the 2029 Debentures were allocated between the debt and equity components. We are amortizing the debt discount and financing costs over the life of the instrument. Non-cash interest expense of $2.1 million was recorded for the year ended December 31, 2010 and $0.7 million was recorded for the period from August 27, 2009 to December 31, 2009. The debt discount amortization will approximate $2.4 million in 2011, $2.7 million in 2012, $3.1 million in 2013, $3.6 million in 2014, and $4.1 million in 2015.
     While the 2029 Debentures accrue interest at an effective interest rate of 13.875% (as described above), the coupon interest rate of 6.0% per annum is payable in cash semi-annually in arrears on each March 15 and September 15, commencing March 15, 2010. Beginning with the six-month period commencing September 15, 2016, we will also pay contingent interest in cash during any six-month period in which the trading price of the 2029 Debentures for each of the five trading days ending on the second trading day immediately preceding the first day of the applicable six-month interest period equals or exceeds 120% of the principal amount of the 2026 Debentures. During any interest period when contingent interest shall be payable, the contingent interest payable per $1,000 principal amount of 2029 Debentures will equal 0.25% of the average trading price of $1,000 principal amount of the 2029 Debentures during the five trading days immediately preceding the first day of the applicable six-month interest period. In accordance with guidance related to derivatives and hedging, the contingent interest feature of the 2029 Debentures is an embedded derivative that is not considered clearly and closely related to the host contract. The contingent interest component had no significant value at issuance or December 31, 2010.
     The 2029 Debentures are convertible into cash, and in certain circumstances, shares of WESCO International’s common stock, $0.01 par value, at any time on or after September 15, 2028, or prior to September 15, 2028 in certain circumstances. The 2029 Debentures will be convertible based on an initial conversion rate of 34.6433 shares of common stock per $1,000 principal amount of the 2029 Debentures (equivalent to an initial conversion price of approximately $28.87 per share). The conversion rate and conversion price may be adjusted under certain circumstances.
     At any time on or after September 15, 2016, we may redeem all or a part of the 2029 Debentures plus accrued and unpaid interest (including contingent interest and additional interest, if any) to, but not including, the redemption date. If WESCO International undergoes certain fundamental changes, as defined in the Indenture, prior to maturity, holders of the 2029 Debentures will have the right, at their option, to require us to repurchase for cash some or all of their 2029 Debentures at a repurchase price equal to 100% of the principal amount of the 2029 Debentures being repurchased, plus accrued and unpaid interest (including contingent interest and additional interest, if any) to, but not including, the repurchase date.
     The following table sets forth the components of our outstanding convertible debenture indebtedness:
                                                 
    December 31, 2010   December 31, 2009
    Principal           Net Carrying   Principal           Net Carrying
    Balance   Discount   Amount   Balance   Discount   Amount
 
(In thousands)
                                               
Convertible Debentures:
                                               
2025
  $     $     $       $92,327     $ (2,134 )   $ 90,193  
2026
    221       (7 )     214       234       (16 )     218  
2029
    345,000       (178,420 )     166,580       345,000       (180,539 )     164,461  
 
 
  $ 345,221     $ (178,427 )   $ 166,794     $ 437,561     $ (182,689 )   $ 254,872  
 

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Covenant Compliance
     We were in compliance with all relevant covenants contained in our debt agreements as of December 31, 2010.
Cash Flow
     An analysis of cash flows for 2010 and 2009 follows:
     Operating Activities. Cash provided by operating activities for 2010 totaled $127.3 million, compared with $291.7 million of cash generated in 2009. Cash provided by operating activities included net income of $115.5 million and adjustments to net income totaling $70.5 million. Others sources of cash in 2010 were generated from an increase in accounts payable of $53.9 million, an increase in accrued payroll and benefit costs of $34.4 million due to the increase in commissions, incentives and benefit costs and a decrease in prepaid expenses and other current assets of $12.6 million. Primary uses of cash in 2010 included: $118.5 million for the increase in trade and other receivables, resulting from the increase in sales; $33.9 million for the increase in inventory; and $7.2 million for the decrease in other current and noncurrent liabilities. In 2009, primary sources of cash were net income of $105.1 million and adjustments to net income totaling $41.3 million; a decrease in accounts receivable and inventory of $179.7 million and $107.8 million, respectively, resulting from the decrease in sales activity; and an increase in other current and noncurrent liabilities of $4.0 million. Cash used by operating activities in 2009 included: $114.3 million for the decrease in accounts payable, resulting from the decrease in purchasing activity; $19.4 million for the decrease in accrued payroll and benefit costs; and $12.5 million for the increase in prepaid expenses and other current assets.
     Investing Activities. Net cash used by investing activities in 2010 was $220.5 million, compared with $10.7 million of net cash used in 2009. Included in 2010 were payments of $265.4 million for the acquisition of the businesses of TVC Communications and Potelcom. Investing activities for 2010 also included proceeds from the sale of our 40% interest in the LADD joint venture. Proceeds included $40.0 million for our 40% interest, plus $15.0 million for the collection of a promissory note. Capital expenditures were $15.1 million and $13.0 million in 2010 and 2009, respectively.
     Financing Activities. Net cash provided by financing activities in 2010 was $30.6 million, compared with $264.9 million of net cash used in 2009. During 2010, borrowings and repayments of long-term debt of $636.0 million and $832.5 million, respectively, were made to our revolving credit facility. Borrowings and repayments of $818.0 million and $493.0 million respectively, were applied to our Receivables Facility, and there were repayments of $1.6 million to our mortgage financing facility. Financing activities in 2010 also included payments of $92.3 million related to the redemption of our 2025 Debentures. During 2009, borrowings and repayments of long-term debt of $308.7 million and $309.7 million, respectively, were made to our revolving credit facility. Borrowings and repayments of $95.0 million and $345.0 million, respectively, were applied to our Receivables Facility, and there were repayments of $1.5 million to our mortgage financing facility.
Contractual Cash Obligations and Other Commercial Commitments
     The following summarizes our contractual obligations, including interest, at December 31, 2010 and the effect such obligations are expected to have on liquidity and cash flow in future periods.
                                         
    2011   2012 to 2013   2014 to 2015   2016 - After   Total
 
(In millions)
                                       
Contractual cash obligations (including interest):
                                       
Long-term debt, excluding debt discount of $178.4
  $     $ 409.0     $ 0.3     $ 495.0     $ 904.3  
Current and short-term debt
    4.0                         4.0  
Interest on indebtedness(1)
    42.4       80.4       63.9       303.0       489.7  
Non-cancelable operating leases
    38.4       49.1       24.2       23.6       135.3  
Acquisition agreements
    0.1       0.1                   0.2  
 
Total contractual cash obligations
  $ 84.9     $ 538.6     $ 88.4     $ 821.6     $ 1,533.5  
 
 
(1)   Interest on the variable rate debt was calculated using the rates and balances outstanding at December 31, 2010
     Purchase orders for inventory requirements and service contracts are not included in the table above. Generally, our purchase orders and contracts contain clauses allowing for cancellation. We do not have significant agreements to purchase material or goods that would specify minimum order quantities. Also, we do not consider obligations to taxing authorities to be contractual obligations requiring disclosure due to the uncertainty surrounding the ultimate settlement and timing of these obligations. As such, we have not included $13.1 million of such liability in the table above.

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Inflation
     The rate of inflation, as measured by changes in the consumer price index, affects different commodities, the cost of products purchased and ultimately the pricing of our different products and product classes to our customers. Our pricing related to inflation did not have a material impact on our sales revenue for the year ended December 31, 2010. Historically, price changes from suppliers have been consistent with inflation and have not had a material impact on the results of operations.
Seasonality
     Our operating results are not significantly affected by seasonal factors. Sales during the first and fourth quarters are generally 1-3% below the sales of the second and third quarters, due to a reduced level of activity during the winter months of November through February. Sales typically increase beginning in March, with slight fluctuations per month through October. During periods of economic expansion or contraction our sales by quarter have varied significantly.
Impact of Recently Issued Accounting Standards
     See Note 2 of our Notes to the Consolidated Financial Statements for information regarding the effect of new accounting pronouncements.
Item 7A. Quantitative and Qualitative Disclosures about Market Risks.
Foreign Currency Risks
     Approximately 83% of our sales are denominated in U.S. dollars and are primarily from customers in the United States. As a result, currency fluctuations are currently not material to our operating results. We do have foreign subsidiaries located in North America, South America, Europe, Africa, Asia and Australia and may establish additional foreign subsidiaries in the future. Accordingly, we may derive a more significant portion of our sales from international operations, and a portion of these sales may be denominated in foreign currencies. As a result, our future operating results could become subject to fluctuations in the exchange rates of those currencies in relation to the U.S. dollar. Furthermore, to the extent that we engage in international sales denominated in U.S. dollars, an increase in the value of the U.S. dollar relative to foreign currencies could make our products less competitive in international markets. We have monitored and will continue to monitor our exposure to currency fluctuations.
Interest Rate Risk
     Fixed Rate Borrowings: Approximately 59% of our debt portfolio is comprised of fixed rate debt. At various times, we have refinanced our debt to mitigate the impact of interest rate fluctuations. In 2005, we issued $150 million in aggregate principal amount of our 2017 Notes at 7.5% and $150 million in aggregate principal amount of our 2025 Debentures at 2.625% (accounted for at an effective fixed rate of 6.0%). In 2006, we issued additional fixed rate debt, which included $300 million in aggregate principal amount of our 2026 Debentures at 1.75% (accounted for at an effective fixed rate of 6.0%). In August 2009, we completed an exchange offer pursuant to which we issued $345.0 million in aggregate principal amount of 2029 Debentures at 6.0% (accounted for at an effective fixed rate of 13.875%) in exchange for approximately $299.7 million and $57.7 million in aggregate principal amounts of our outstanding 2026 Debentures and 2025 Debentures, respectively. The remaining outstanding balance of the 2025 Debentures was redeemed in December 2010. As these borrowings were issued at fixed rates, interest expense would not be impacted by interest rate fluctuations, although market value would be. The aggregate fair value of these debt instruments was $860.2 million at December 31, 2010. Interest expense on our other fixed rate debt also would not be impacted by changes in market interest rates, and for this debt, fair value approximated carrying value (see Note 6 to the Consolidated Financial Statements).
     Floating Rate Borrowings: Our variable rate borrowings at December 31, 2010 totaled $370.0 million and represented the amount outstanding under the Receivables Facility. There were no borrowings outstanding under the revolving credit facility at December 31, 2010. The fair value of these debt instruments at December 31, 2010 was $370.0 million. We borrow under our revolving credit facility for general corporate purposes, including working capital requirements and capital expenditures. During 2010, our average daily borrowing under the facility was $54.9 million. Borrowings under our facility bear interest at the applicable LIBOR or base rate and therefore we are subject to fluctuations in interest rates. Additionally, we borrow under our Receivables Facility, which bears interest at the 30 day commercial paper rate plus applicable margin. A 100 basis point increase or decrease in interest rates would not have a significant impact on future earnings under our current capital structure.

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Item 8. Financial Statements and Supplementary Data.
     The information required by this item is set forth in our Consolidated Financial Statements contained in this Annual Report on Form 10-K. Specific financial statements can be found at the pages listed below:
WESCO International, Inc.
         
    PAGE  
    30  
    31  
    32  
    33  
    34  
    35  

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Report of Independent Registered Public Accounting Firm
To the Board of Directors and Shareholders of WESCO International, Inc.,
In our opinion, the accompanying consolidated balance sheets and the related consolidated statements of income, stockholders’ equity and cash flows present fairly, in all material respects, the financial position of WESCO International, Inc. and its subsidiaries at December 31, 2010 and December 31, 2009, and the results of their operations and their cash flows for each of the three years in the period ended December 31, 2010 in conformity with accounting principles generally accepted in the United States of America. In addition, in our opinion, the financial statement schedule listed in the index appearing under Item 15(a)(2) presents fairly, in all material respects, the information set forth therein when read in conjunction with the related consolidated financial statements. Also in our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2010, based on criteria established in Internal Control — Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). The Company’s management is responsible for these financial statements and financial statement schedule, for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in Management’s Report on Internal Control over Financial Reporting appearing under Item 9A. Our responsibility is to express opinions on these financial statements, on the financial statement schedule, and on the Company’s internal control over financial reporting based on our integrated audits. We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the financial statements are free of material misstatement and whether effective internal control over financial reporting was maintained in all material respects. Our audits of the financial statements included examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing the accounting principles used and significant estimates made by management, and evaluating the overall financial statement presentation. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audits also included performing such other procedures as we considered necessary in the circumstances. We believe that our audits provide a reasonable basis for our opinions.
A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (i) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (ii) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (iii) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.
Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.
As described in Management’s Report on Internal Control over Financial Reporting management has excluded TVC Communications. LLC from its assessment of internal control over financial reporting as of December 31, 2010 because it was acquired by the Company in a purchase business combination during December 2010. We have also excluded TVC Communications, LLC from our audit of internal control over financial reporting. TVC Communication, LLC is a wholly-owned subsidiary whose total assets and total revenues represent $295.5 million and $6.9 million, respectively, of the related consolidated financial statement amounts as of and for the year ended December 31, 2010.
/s/ PricewaterhouseCoopers LLP
Pittsburgh, Pennsylvania
February 24, 2011

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WESCO INTERNATIONAL, INC. AND SUBSIDIARIES
CONSOLIDATED BALANCE SHEETS
                 
    December 31,  
    2010     2009  
    (Dollars in thousands,  
    except share data)  
Assets
               
Current Assets:
               
Cash and cash equivalents
  $ 53,577     $ 112,329  
Trade accounts receivable, net of allowance for doubtful accounts of $18,562 and $20,060 in 2010 and 2009, respectively (Note 7)
    792,681       635,754  
Other accounts receivable
    37,223       31,808  
Inventories, net
    588,848       507,215  
Current deferred income taxes (Note 10)
    3,046       1,686  
Income taxes receivable
    18,146       29,135  
Prepaid expenses and other current assets
    20,165       13,077  
 
           
Total current assets
    1,513,686       1,331,004  
 
               
Property, buildings and equipment, net (Note 6)
    118,045       116,309  
Intangible assets, net (Note 3)
    160,307       81,308  
Goodwill (Note 3)
    985,714       863,410  
Investment in subsidiary (Note 9)
          43,957  
Deferred income taxes (Note 10)
    35,887       33,518  
Other assets
    13,135       24,687  
 
           
Total assets
  $ 2,826,774     $ 2,494,193  
 
           
 
               
Liabilities and Stockholders’ Equity
               
Current Liabilities:
               
Accounts payable
  $ 537,505     $ 453,154  
Accrued payroll and benefit costs (Note 12)
    66,931       30,949  
Current portion of long-term debt (Note 7)
    3,988       93,977  
Bank overdrafts
    27,590       32,191  
Current deferred income taxes (Note 10)
    4,593       7,301  
Other current liabilities
    67,626       63,262  
 
           
Total current liabilities
    708,233       680,834  
 
               
Long-term debt, net of discount of $178,427 and $182,689 in 2010 and 2009, respectively (Note 7)
    725,893       597,869  
Deferred income taxes (Note 10)
    210,876       191,068  
Other noncurrent liabilities
    33,178       28,133  
 
           
Total liabilities
  $ 1,678,180     $ 1,497,904  
 
               
Commitments and contingencies (Note 14)
               
 
               
Stockholders’ Equity:
               
Preferred stock, $.01 par value; 20,000,000 shares authorized, no shares issued or outstanding (Note 8)
           
Common stock, $.01 par value; 210,000,000 shares authorized, 56,576,250 and 55,967,824 shares issued and 43,009,941 and 42,416,796 shares outstanding in 2010 and 2009, respectively (Note 8)
    566       560  
Class B nonvoting convertible common stock, $.01 par value; 20,000,000 shares authorized, 4,339,431 issued and no shares outstanding in 2010 and 2009, respectively
    43       43  
Additional capital (Note 8)
    1,018,683       992,855  
Retained earnings
    697,676       582,199  
Treasury stock, at cost; 17,905,740 and 17,890,459 shares in 2010 and 2009, respectively
    (591,007 )     (590,353 )
Accumulated other comprehensive income
    22,633       10,985  
 
           
Total stockholders’ equity
    1,148,594       996,289  
 
           
Total liabilities and stockholders’ equity
  $ 2,826,774     $ 2,494,193  
 
           
The accompanying notes are an integral part of the condensed consolidated financial statements

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WESCO INTERNATIONAL, INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF INCOME
                         
    Year Ended December 31,  
    2010     2009     2008  
    (In thousands, except per share data)  
Net sales
  $ 5,063,862     $ 4,623,954     $ 6,110,840  
Cost of goods sold (excluding depreciation and amortization below)
    4,065,425       3,724,061       4,904,164  
Selling, general and administrative expenses
    763,583       693,896       834,278  
Depreciation and amortization
    23,935       26,045       26,731  
         
Income from operations
    210,919       179,952       345,667  
 
                       
Interest expense, net
    57,563       53,754       64,152  
Gain on debt exchange
          (5,962 )      
Other income (Note 9)
    (4,285 )     (4,991 )     (9,352 )
         
Income before income taxes
    157,641       137,151       290,867  
 
                       
Provision for income taxes (Note 10)
    42,164       32,063       86,734  
         
Net income
  $ 115,477     $ 105,088     $ 204,133  
         
 
                       
Earnings per share (Note 11)
                       
Basic
  $ 2.72     $ 2.49     $ 4.82  
         
 
                       
Diluted
  $ 2.50     $ 2.46     $ 4.71  
         
The accompanying notes are an integral part of the condensed consolidated financial statements.

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WESCO INTERNATIONAL, INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY
                                                                                 
                                                                            Accumulated  
                                                                            Other  
                            Class B             Retained                     Comprehensive  
    Comprehensive     Common Stock     Common Stock     Additional     Earnings     Treasury Stock     Income  
(Dollars in thousands)   Income     Amount     Shares     Amount     Shares     Capital     (Deficit)     Amount     Shares     (Loss)  
     
Balance, December 31, 2007
          $ 546       54,663,418     $ 43       4,339,431     $ 852,221     $ 272,978     $ (511,478 )     (15,858,817 )   $ 25,832  
Exercise of stock options, including tax benefit of $10,193
            11       1,125,202                       20,904               (4,013 )     (96,647 )        
Stock-based compensation expense
                                            12,886                                  
Issuance of treasury stock
                                            8               42       1,264          
Share repurchase program
                                                            (74,839 )     (1,933,889 )        
Net income
  $ 204,133                                               204,133                          
Translation adjustment
    (44,170 )                                                                     (44,170 )
 
                                                                             
Comprehensive Income
  $ 159,963                                                                          
     
Balance, December 31, 2008
            557       55,788,620       43       4,339,431       886,019       477,111       (590,288 )     (17,888,089 )     (18,338 )
             
Exercise of stock options, including tax benefit of $895
            3       179,204                       2,270               (65 )     (2,370 )        
Stock-based compensation expense
                                            13,324                                  
Issuance of convertible debt instruments, net of tax impact of $68,641
                                            106,462                                  
Exchange of debt, net of tax impact of $9,837
                                            (15,220 )                                
Net income
  $ 105,088                                               105,088                          
Translation adjustment
    29,323                                                                       29,323  
 
                                                                             
Comprehensive Income
  $ 134,411                                                                          
     
Balance, December 31, 2009
            560       55,967,824       43       4,339,431       992,855       582,199       (590,353 )     (17,890,459 )     10,985  
             
Exercise of stock options, including tax benefit of $3,082
            3       268,213                       4,852               (654 )     (15,281 )        
Stock-based compensation expense
                                            15,751                                  
Conversion of 2025 debentures
            3       340,213                       5,225                                  
Net income
  $ 115,477                                               115,477                          
Translation adjustment
    11,648                                                                       11,648  
 
                                                                             
Comprehensive Income
  $ 127,125                                                                          
     
Balance, December 31, 2010
          $ 566       56,576,250     $ 43       4,339,431     $ 1,018,683     $ 697,676     $ (591,007 )     (17,905,740 )   $ 22,633  
 
                                                             
The accompanying notes are an integral part of the condensed consolidated financial statements.

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WESCO INTERNATIONAL, INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF CASH FLOWS
                         
    Year Ended December 31,  
    2010     2009     2008  
    (In thousands)  
Operating Activities:
                       
Net income
  $ 115,477     $ 105,088     $ 204,133  
Adjustments to reconcile net income to net cash provided by operating activities:
                       
Depreciation and amortization
    23,935       26,045       26,731  
Stock-based compensation expense
    15,752       13,324       12,886  
Amortization of debt issuance costs
    2,584       3,494       3,374  
Amortization of debt discount
    4,262       11,806       14,512  
Gain on debt exchange
          (5,962 )      
(Gain) loss on sale of property, buildings and equipment
    (224 )     123       (2,042 )
Loss on sale of subsidiary
                3,005  
Asset impairment charge
    3,793              
Equity income, net of distributions in 2010, 2009 and 2008 of $1,864, $5,658 and $8,684 respectively
    (2,420 )     668       (668 )
Excess tax benefit from stock-based compensation
    (3,217 )     (1,250 )     (10,193 )
Interest related to uncertain tax positions
    4,980       969       366  
Deferred income taxes
    20,982       (7,959 )     (3,746 )
Changes in assets and liabilities
                       
Trade and other receivables, net
    (118,478 )     179,662       28,352  
Inventories, net
    (33,956 )     107,848       26,556  
Prepaid expenses and other current assets
    12,641       (12,492 )     7,566  
Accounts payable
    53,902       (114,289 )     (31,198 )
Accrued payroll and benefit costs
    34,422       (19,418 )     (615 )
Other current and noncurrent liabilities
    (7,152 )     4,007       842  
         
Net cash provided by operating activities
    127,283       291,664       279,861  
Investing Activities:
                       
Capital expenditures
    (15,132 )     (12,970 )     (35,284 )
Acquisition payments
    (265,397 )     (262 )     (12,080 )
Proceeds from sale of subsidiary
    40,000             60,000  
Equity distribution
    4,054       2,420        
Collection of note receivable
    15,000              
Proceeds from sale of assets
    932       120       3,794  
         
Net cash (used) provided by investing activities
    (220,543 )     (10,692 )     16,430  
Financing Activities:
                       
Short-term borrowings, net
                (185,000 )
Proceeds from issuance of long-term debt
    1,454,479       403,700       898,900  
Repayments of long-term debt
    (1,419,526 )     (657,385 )     (890,063 )
Debt issuance costs
    (2,553 )     (13,749 )     (426 )
Proceeds from the exercise of stock options
    1,771       1,377       10,722  
Excess tax benefit from stock-based compensation
    3,217       1,250       10,193  
Repurchase of common stock
    (655 )     (64 )     (78,852 )
(Decrease) increase in bank overdrafts
    (4,601 )     1,823       (28,581 )
Payments on capital lease obligations
    (1,497 )     (1,897 )     (1,882 )
         
Net cash provided (used) by financing activities
    30,635       (264,945 )     (264,989 )
         
Effect of exchange rate changes on cash and cash equivalents
    3,873       9,964       (17,261 )
Net change in cash and cash equivalents
    (58,752 )     25,991       14,041  
Cash and cash equivalents at the beginning of period
    112,329       86,338       72,297  
Cash and cash equivalents at the end of period
  $ 53,577     $ 112,329     $ 86,338  
         
Supplemental disclosures:
                       
Cash paid for interest
  $ 46,899     $ 32,113     $ 48,151  
Cash paid for taxes
    11,044       45,185       74,460  
Non-cash investing and financing activities:
                       
Property, buildings and equipment acquired through capital leases
    301       781       2,610  
Issuance of treasury stock
                42  
The accompanying notes are an integral part of the condensed consolidated financial statements.

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WESCO INTERNATIONAL, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
1. ORGANIZATION
     WESCO International, Inc. and its subsidiaries (collectively, “WESCO”), headquartered in Pittsburgh, Pennsylvania, is a full-line distributor of electrical, industrial and communications maintenance, repair and operating (“MRO”) and original equipment manufactures (“OEM”) products, construction materials, and advanced supply chain management and logistics services used primarily in the industrial, construction, utility and commercial, institutional and government markets. We serve over 100,000 customers globally, through approximately 400 full service branches and seven distribution centers located primarily in the United States, Canada and Mexico, with additional locations in the United Kingdom, Singapore, China, Australia, Africa and the United Arab Emirates.
2. ACCOUNTING POLICIES
     Basis of Consolidation
     The consolidated financial statements include the accounts of WESCO International, Inc. (“WESCO International”) and all of its subsidiaries. All significant intercompany accounts and transactions have been eliminated in consolidation.
     Use of Estimates
     The preparation of financial statements in conformity with generally accepted accounting principles in the United States of America requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying disclosures. Although these estimates are based on management’s best knowledge of current events and actions WESCO may undertake in the future, actual results may ultimately differ from the estimates.
     Revenue Recognition
     Revenues are recognized for product sales when title, ownership and risk of loss pass to the customer or for services when the service is rendered. In the case of stock sales and special orders, a sale occurs at the time of shipment from our distribution point, as the terms of WESCO’s sales are FOB shipping point. In cases where we process customer orders but ship directly from our suppliers, revenue is recognized once product is shipped and title has passed. For some of our customers, we provide services such as inventory management or other specific support. Revenues are recognized upon evidence of fulfillment of the agreed upon services. In all cases, revenue is recognized once the sales price to our customer is fixed or is determinable and WESCO has reasonable assurance as to the collectability.
     Supplier Volume Rebates
     WESCO receives volume rebates from certain suppliers based on contractual arrangements with such suppliers. An asset, included within other accounts receivable on the balance sheet, represents the estimated amounts due to WESCO under the rebate provisions of such contracts. The corresponding rebate income is recorded as a reduction of cost of goods sold. The appropriate level of such income is derived from the level of actual purchases made by WESCO from suppliers. Receivables under the supplier rebate program were $31.0 million at December 31, 2010 and $21.6 million at December 31, 2009. Supplier volume rebate rates have historically ranged between approximately 0.8% and 1.2% of sales depending on market conditions. In 2010, the rebate rate was above the historical average rate of approximately 1.0% of sales and toward the high end of the historical range.
     Shipping and Handling Costs and Fees
     WESCO records the costs and fees associated with transporting its products to customers as a component of selling, general and administrative expenses. These costs totaled $42.4 million, $49.2 million and $59.4 million in 2010, 2009 and 2008, respectively.
     Cash Equivalents
     Cash equivalents are defined as highly liquid investments with original maturities of 90 days or less when purchased.
     Asset Securitization
     WESCO maintains control of the receivables transferred pursuant to its accounts receivable securitization program (the “Receivables Facility”); therefore the transfers do not qualify for “sale” treatment. As a result, the transferred receivables remain on the balance sheet, and WESCO recognizes the related secured borrowing. The expenses associated with the Receivables Facility are

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reported as interest expense in the statement of income.
     Allowance for Doubtful Accounts
     WESCO maintains allowances for doubtful accounts for estimated losses resulting from the inability of its customers to make required payments. WESCO has a systematic procedure using estimates based on historical data and reasonable assumptions of collectability made at the local branch level and on a consolidated corporate basis to calculate the allowance for doubtful accounts. If the financial condition of WESCO’s customers were to deteriorate, resulting in an impairment of their ability to make payments, additional allowances may be required. The allowance for doubtful accounts was $18.6 million at December 31, 2010 and $20.1 million at December 31, 2009. The total amount recorded as selling, general and administrative expense related to bad debts was $6.4 million, $6.1 million and $10.1 million for 2010, 2009 and 2008, respectively.
     Inventories
     Inventories primarily consist of merchandise purchased for resale and are stated at the lower of cost or market. Cost is determined principally under the average cost method. WESCO makes provisions for obsolete or slow-moving inventories as necessary to reflect reduction in inventory value. Reserves for excess and obsolete inventories were $20.5 million and $19.8 million at December 31, 2010 and 2009, respectively. The total expense related to excess and obsolete inventories, included in cost of goods sold, was $7.5 million, $7.8 million and $9.2 million for 2010, 2009 and 2008, respectively. WESCO absorbs into the cost of inventory the general and administrative expenses related to inventory such as purchasing, receiving and storage and at December 31, 2010 and 2009, $43.8 million and $44.8 million, respectively, of these costs were included in ending inventory.
     Other Assets
     WESCO amortizes deferred financing fees over the term of the various debt instruments. Deferred financing fees in the amount of $2.6 million were incurred during the year ending December 31, 2010. As of December 31, 2010 and 2009, the amount of other assets related to unamortized deferred financing fees was $12.6 million and $12.7 million, respectively.
     Property, Buildings and Equipment
     Property, buildings and equipment are recorded at cost. Depreciation expense is determined using the straight-line method over the estimated useful lives of the assets. Leasehold improvements are amortized over either their respective lease terms or their estimated lives, whichever is shorter. Estimated useful lives range from five to forty years for leasehold improvements and buildings and three to ten years for furniture, fixtures and equipment.
     Capitalized computer software costs are amortized using the straight-line method over the estimated useful life, typically three to five years, and are reported at the lower of unamortized cost or net realizable value.
     Expenditures for new facilities and improvements that extend the useful life of an asset are capitalized. Ordinary repairs and maintenance are expensed as incurred. When property is retired or otherwise disposed of, the cost and the related accumulated depreciation are removed from the accounts and any related gains or losses are recorded and reported as selling, general and administrative expenses.
     WESCO assesses its long-lived assets for impairment by periodically reviewing operating performance and respective utilization of real and tangible assets. Upon closure of any branch, asset usefulness and remaining life are evaluated and any charges taken as appropriate. Of WESCO’s $118.0 million net book value of property, plant and equipment as of December 31, 2010, $71.8 million consists of land, buildings and leasehold improvements and are geographically dispersed among WESCO’s 400 branches and seven distribution centers, mitigating the risk of impairment. Approximately $23.0 million of assets consist of computer equipment and capitalized software and are evaluated for use and serviceability relative to carrying value. The remaining fixed assets, mainly of furniture and fixtures, warehousing equipment and transportation equipment, are similarly evaluated for serviceability and use.
     Goodwill and Indefinite Life Intangible Assets
     Goodwill and indefinite life intangible assets are tested for impairment annually during the fourth quarter using information available at the end September, or more frequently if events or circumstances occur indicating that their carrying value may not be recoverable. The evaluation of impairment involves comparing the current fair value of goodwill and indefinite life intangible assets to the recorded value. WESCO estimates the fair value of goodwill using a combination of discounted cash flow analyses and market multiples. Assumptions used for these fair value techniques are based on a combination of historical results, current forecasts, market data and recent economic events. WESCO evaluates the recoverability of indefinite life intangible assets using a discounted cash flow analysis based on projected financial information. The determination of fair value involves significant judgment and management applies its best judgment when assessing the reasonableness of financial projections. No impairment losses were identified in 2010 as a result of this review. At December 31, 2010 and 2009, goodwill and trademarks totaled $1,031.4 million and $901.3 million, respectively.

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     Definite Lived Intangible Assets
     Intangible assets are amortized over 5 to 19 years. A portion of intangible assets related to customer relationships are amortized using an accelerated method whereas all other intangible assets subject to amortization use a straight-line method which reflects the pattern in which the economic benefits of the respective assets are consumed or otherwise used. Intangible assets are tested for impairment if events or circumstances occur indicating that the respective asset might be impaired.
     Insurance Programs
     WESCO uses commercial insurance for auto, workers’ compensation, casualty and health claims as a risk-reduction strategy to minimize catastrophic losses. The Company’s strategy involves large deductibles where WESCO must pay all costs up to the deductible amount. WESCO estimates the reserve based on historical incident rates and costs. The assumptions included in developing this accrual include the period of time from incurrence of a claim until the claim is paid by the insurance provider. The total liability related to the insurance programs was $11.4 million at December 31, 2010 and $10.6 million at December 31, 2009.
     Income Taxes
     Income taxes are accounted for under the liability method in accordance with income tax accounting guidance. Deferred tax assets and liabilities are determined based on differences between the financial reporting and tax basis of assets and liabilities and are measured using the enacted tax rates and laws that will be in effect when the differences are expected to reverse. Valuation allowances, if any, are provided when it is more likely than not that a portion or all of a deferred tax asset may not be realized.
          WESCO accounts for uncertainty in income taxes using a recognition threshold and measurement attribute prescribed by income tax accounting guidance. WESCO frequently reviews tax issues and positions taken on tax returns to determine the need and amount of contingency reserves necessary to cover any probable audit adjustments. WESCO recognizes interest related to unrecognized tax benefits as part of interest expense. Penalties are recognized as part of income tax expense.
     Convertible Debentures
          WESCO separately accounts for the liability and equity components of its convertible debentures in a manner that reflects its nonconvertible debt borrowing rate. WESCO estimates its non-convertible debt borrowing rate through a combination of discussions with its financial institutions and review of relevant market data. The discounts to the convertible note balances are amortized to interest expense, using the effective interest method, over the implicit life of the Debentures.
     Foreign Currency
     The local currency is the functional currency for the majority of WESCO’s operations outside the United States. Assets and liabilities of these operations are translated to U.S. dollars at the exchange rate in effect at the end of each period. Income statement accounts are translated at the average exchange rate prevailing during the period. Translation adjustments arising from the use of differing exchange rates from period to period are included as a component of other comprehensive income within stockholders’ equity. Gains and losses from foreign currency transactions are included in net income for the period.
     Stock-Based Compensation
     WESCO’ stock-based employee compensation plans are comprised of stock options, stock-settled stock appreciation rights and restricted stock units. Compensation cost for all stock-based awards is measured at fair value on the date of grant, and compensation cost is recognized, net of estimated forfeitures, over the service period for awards expected to vest. The fair value of stock options and stock-settled appreciation rights is determined using the Black-Scholes valuation model. Expected volatilities are based on historical volatility of WESCO’s common stock. The expected life of stock options and stock-settled appreciation rights is estimated using historical data pertaining to option exercises and employee terminations. The risk-free rate is based on the U.S. Treasury yields in effect at the time of grant. The forfeiture assumption is based on WESCO’s historical employee behavior that is reviewed on an annual basis. The fair value of restricted stock units is determined by the grant-date closing price of WESCO’s common stock. No dividends are assumed for stock based awards.
     WESCO granted the following stock-settled stock appreciation rights and restricted stock units at the following weighted average assumptions:
                         
    2010     2009     2008  
Stock-settled appreciation rights granted
    708,949       815,231       931,344  
Restricted stock units
    153,318       245,997        
Risk free interest rate
    1.8 %     2.3 %     3.1 %
Expected life
    5 years       4.5 years       4 years  
Expected volatility
    49 %     51 %     38 %

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     The weighted average fair value per stock-settled appreciation right granted was $14.71, $11.15 and $13.58 for the years ended December 31, 2010, 2009 and 2008, respectively. The weighted average fair value per restricted stock unit granted was $33.05 and $25.37 for the years ended December 31, 2010 and 2009, respectively. WESCO recognized $15.8 million, $13.3 million and $12.9 million of non-cash stock-based compensation expense, which is included in selling, general and administrative expenses, in 2010, 2009 and 2008, respectively.
     Treasury Stock
     Common stock purchased for treasury is recorded at cost. At the date of subsequent reissue, the treasury stock account is reduced by the cost of such stock, with cost determined on a weighted average basis.
     Fair Value of Financial Instruments
     The Company’s financial instruments consist of cash and cash equivalents, accounts receivable, accounts payable and other accrued liabilities, a revolving line of credit, a mortgage financing facility, notes payable, debentures and other long-term debt. The estimated fair value of the Company’s outstanding indebtedness described in Note 6 at December 31, 2010 and 2009 was $1,269.7 million and $932.6 million respectively. The aggregate fair value of the senior notes and debentures was approximately $860.2 million. The fair values of these fixed rate facilities are estimated based upon market price quotes. The fair values of the mortgage facility, Receivables Facility and revolving credit facility, approximated carrying values. The fair values for these facilities are based upon market price quotes and market comparisons available for instruments with similar terms and maturities. For all remaining WESCO financial instruments, carrying values are considered to approximate fair value due to their short maturities.
     Environmental Expenditures
     WESCO has facilities and operations that distribute certain products that must comply with environmental regulations and laws. Expenditures for current operations are expensed or capitalized, as appropriate. Expenditures relating to existing conditions caused by past operations, and that do not contribute to future revenue, are expensed. Liabilities are recorded when remedial efforts are probable and the costs can be reasonably estimated.
     Recent Accounting Pronouncements
     In December 2010, the Financial Accounting Standards Board (the “FASB”) issued new guidance concerning goodwill, which amends the criteria for performing Step 2 of the goodwill impairments test for reporting units with zero or negative carrying amounts and requires performing Step 2 if qualitative factors indicate that it is more likely than not that a goodwill impairment exists. This modification is effective for fiscal years beginning after December 15, 2010. WESCO is currently evaluating the impact that the implementation of this new accounting guidance will have on it financial position, results of operations and cash flows.
     Other pronouncements issued by the FASB or other authoritative accounting standards groups with future effective dates are either not applicable or are not expected to be significant to WESCO’s financial position, results of operations or cash flows.
3. GOODWILL AND INTANGIBLE ASSETS
     Goodwill
               The following table sets forth the changes in the carrying amount of goodwill:
                 
    Year Ended December 31  
    2010     2009  
    (In thousands)  
Beginning balance January 1
  $ 863,410     $ 862,778  
Adjustments and payments to goodwill for prior acquisitions
    2,467       632  
Additions to goodwill for acquisitions
    119,837        
 
           
Ending balance December 31
  $ 985,714     $ 863,410  
 
           
WESCO has never recorded an impairment loss related to goodwill or intangible assets.

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Intangible Assets
     The components of intangible assets are as follows:
                                                         
    December 31, 2010             December 31, 2009  
                            Net                     Net  
            Gross Carrying     Accumulated     Carrying     Gross Carrying     Accumulated     Carrying  
    Life     Amount(1)     Amortization(1)     Amount     Amount(1)     Amortization(1)     Amount  
    (In thousands)  
Intangible Assets:
                                                       
Trademarks
  Indefinite   $ 45,687           $ 45,687     $ 37,898           $ 37,898  
Non-compete agreements
    5-7       1,252     $ (895 )     357       1,252     $ (727 )     525  
Customer relationships
    5-19       61,726       (21,692 )     40,034       45,287       (20,013 )     25,274  
Distribution agreements
    12-19       31,084       (4,950 )     26,134       21,352       (3,741 )     17,611  
Patents
    10       48,310       (215 )     48,095                    
     
 
          $ 188,059     $ (27,752 )   $ 160,307     $ 105,789     $ (24,481 )   $ 81,308  
             
 
(1)   Excludes the original cost and accumulated amortization of fully-amortized intangibles.
     Amortization expense related to intangible assets totaled $7.5 million, $7.3 million and $7.3 million for the years ended December 31, 2010, 2009 and 2008, respectively.
     The following table sets forth the estimated amortization expense for intangibles for the next five years (in thousands):
         
    Estimated  
    Amortization  
For the year ended December 31,   Expense  
2011
  $ 13,298  
2012
    11,050  
2013
    10,823  
2014
    10,202  
2015
    10,153  
4. CONCENTRATIONS OF CREDIT RISK AND SIGNIFICANT SUPPLIERS
     WESCO distributes its products and services and extends credit to a large number of customers in the industrial, construction, utility and manufactured structures markets. WESCO’s largest supplier accounted for approximately 12% of WESCO’s purchases in 2010, 2009 and 2008, and therefore, WESCO could potentially incur risk due to supplier concentration. Based upon WESCO’s broad customer base, the Company has concluded that it has no material credit risk as a result of customer concentration.

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5. ACQUISITIONS
The following table sets forth the consideration paid for acquisitions:
         
Year Ended December 31   2010  
 
(In thousands)
       
Details of acquisition:
       
Fair value of assets acquired
  $ 297,849  
Fair value of liabilities assumed
    (31,162 )
Deferred acquisition payments
    185  
 
Cash paid for acquisition
  $ 266,872  
 
Supplemental cash flow disclosure related to acquisition:
       
Cash paid for acquisitions
  $ 266,872  
Less: cash acquired
    (1,475 )
 
Cash paid for acquisition, net of cash acquired
  $ 265,397  
 
Acquisition of TVC Communications, L.L.C.
     On December 16, 2010, WESCO Distribution, Inc. (“WESCO Distribution”) completed its acquisition of TVC Communications, L.L.C. (“TVC Communications”), an international distributor in the Western Hemisphere of infrastructure products to the cable television and telecommunication industries. TVC Communications offers products necessary to build out a broadband network, ranging from the industry’s widest selection of premier branded components, to a variety of proprietary and private label products. TVC Communications also offers a full suite of value-added services, including design, engineering, installation, repair and maintenance.
     WESCO paid at closing a cash purchase price of approximately $251.0 million, net of $1.5 million of cash acquired, of which $20.0 million was held in escrow to address post-closing working capital adjustments. WESCO funded the purchase price paid at closing with cash and borrowings under the Receivables Facility. The purchase price was allocated to the respective assets and liabilities based upon their estimated fair values as of the acquisition date. The excess of the purchase price over the fair value of the net assets acquired, including intangible assets, has been allocated to goodwill. The fair value of intangible assets was estimated by management and the allocation resulted in intangible assets of $86.4 million and goodwill of $109.2 million. Management believes the majority of goodwill will be deductible for tax purposes. The intangible assets include technology patents of $48.3 million amortized over 10 years, customer relationships of $20.6 million amortized over 10 years, supplier relationships of $9.7 million amortized over 15 years and trademarks of $7.8 million. Trademarks have an indefinite life and are not being amortized. No residual value is estimated for the intangible assets.

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     The allocation of assets acquired and liabilities assumed for the TVC Communications acquisition is summarized below:
         
       
    TVC Communications, LLC  
 
(In thousands)
       
 
       
Assets Acquired
       
Cash and cash equivalents
  $ 1,475  
Trade accounts receivable
    38,744  
Other accounts receivable
    978  
Inventories
    41,313  
Prepaid expenses and other current assets
    1,377  
Property, buildings and equipment
    2,268  
Intangible assets
    86,442  
Goodwill
    109,183  
Other noncurrent assets
    158  
 
Total assets acquired
    281,938  
 
       
Liabilities Assumed
       
Accounts payable
    24,249  
Accrued payroll and benefit costs
    1,183  
Other current liabilities
    4,019  
 
Total liabilities assumed
    29,451  
 
       
Fair value of net assets acquired, including intangible assets
  $ 252,487  
 
6. PROPERTY, BUILDINGS AND EQUIPMENT
     The following table sets forth the components of property, buildings and equipment:
                 
    December 31,  
    2010     2009  
    (In thousands)  
Buildings and leasehold improvements
  $ 92,862     $ 90,988  
Furniture, fixtures and equipment
    140,427       133,703  
Software costs
    77,335       63,613  
     
 
    310,624       288,304  
Accumulated depreciation and amortization
    (215,768 )     (198,776 )
     
 
    94,856       89,528  
Land
    21,169       20,959  
Construction in progress
    2,020       5,822  
     
 
  $ 118,045     $ 116,309  
     
     Depreciation expense was $11.7 million, $13.7 million and $14.7 million, and capitalized software amortization was $4.7 million, $5.0 million and $4.7 million, in 2010, 2009 and 2008, respectively. The unamortized software cost was $18.0 million and $12.4 million as of December 31, 2010 and 2009, respectively. Furniture, fixtures and equipment include capitalized leases of $9.2 million and $8.8 million and related accumulated amortization of $4.0 million and $2.9 million as of December 31, 2010 and 2009, respectively.

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7. DEBT
          The following table sets forth WESCO’s outstanding indebtedness:
                 
    As of December 31,  
    2010     2009  
    (In thousands)  
Mortgage financing facility
  $ 39,239     $ 40,807  
Accounts receivable securitization facility
    370,000       45,000  
Revolving credit facility
          196,500  
7.50% Senior Subordinated Notes due 2017
    150,000       150,000  
2.625% Convertible Senior Debentures due 2025, less debt discount of $2,134 in 2009
          90,193  
1.75% Convertible Senior Debentures due 2026, less debt discount of $7 and $16 in 2010 and 2009, respectively
    214       218  
6.0% Convertible Senior Debentures due 2029, less debt discount of $178,420 and $180,539 in 2010 and 2009, respectively
    166,580       164,461  
Acquisition related notes
    204       321  
Capital leases
    3,167       4,346  
Other
    477          
     
Total debt
    729,881       691,846  
Less current portion
    (3,988 )     (93,977 )
     
Total long-term debt
  $ 725,893     $ 597,869  
     
Mortgage Financing Facility
     In 2003, WESCO finalized a mortgage financing facility of $51 million, $39.2 million of which was outstanding as of December 31, 2010. Total borrowings under the mortgage financing facility are subject to a 22-year amortization schedule, with a balloon payment due at the end of the 10-year term. The interest rate on borrowings under this facility is fixed at 6.5%.
Accounts Receivable Securitization Facility
     During 2010, WESCO Distribution entered into amendments of its existing Receivables Facility, pursuant to the terms and conditions of the Second and Third Amendments to Third Amended and Restated Receivables Purchase Agreement, dated as of April 13, 2009 (the “Agreement”), by and among WESCO Receivables Corp., WESCO Distribution, the Purchasers and Purchaser Agents party thereto and PNC Bank, National Association, as Administrator. The Second Amendment lowered the program fee from 3.0% to 1.75%, the commitment fee from 1.0% to 0.75%, and extended the term of the Receivables Facility to September 6, 2013. The Third Amendment increased the purchase commitment from $400 million to $450 million and added TVC Communications as an originator under the facility.
          Under the Receivables Facility, WESCO sells, on a continuous basis, an undivided interest in all domestic accounts receivable to WESCO Receivables Corp., a wholly owned special purpose entity (the “SPE”). The SPE sells, without recourse, a senior undivided interest in the receivables to third-party conduits and financial institutions for cash while maintaining a subordinated undivided interest in the receivables, in the form of overcollateralization. WESCO has agreed to continue servicing the sold receivables for the third-party conduits and financial institutions at market rates; accordingly, no servicing asset or liability has been recorded.
     As of December 31, 2010 and 2009, accounts receivable eligible for securitization totaled approximately $537.0 million and $439.7 million, respectively. The consolidated balance sheets as of December 31, 2010 and 2009 reflect $370.0 million and $45.0 million, respectively, of account receivable balances legally sold to third parties, as well as borrowings for equal amounts. At December 31, 2010, the interest rate on borrowings under this facility was approximately 2.2%.
Revolving Credit Facility
     At December 31, 2010, the aggregate borrowing capacity under the revolving credit facility was $375 million. The revolving credit facility consists of two separate sub-facilities: (i) a U.S. sub-facility and (ii) a Canadian sub-facility and includes a letter of credit sub-limit of up to $55 million. The facility matures on November 1, 2013 and is collateralized by the inventory of WESCO Distribution and the inventory and accounts receivable of WESCO Distribution Canada, L.P. WESCO Distribution’s obligations under the revolving credit facility have been guaranteed by WESCO International and by certain of WESCO Distribution’s subsidiaries.

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     During 2010, WESCO Distribution, along with certain of its subsidiaries, entered into Limited Consents and Amendments No. 4, 5 and 6 (the “Amendments”), respectively, to its Third Amended and Restated Revolving Credit Agreement, dated November 1, 2006 (the “Agreement”). The Amendments permit WESCO to complete certain legal entity restructuring actions, issue additional surety bonds, and invest additional resources in foreign subsidiaries. In addition, the Amendments enhance WESCO’s hedging capacities and include TVC Communications and certain of its subsidiaries as parties under the Agreement.
     Pursuant to the terms of Amendment No. 4, WESCO agreed to modify the Applicable Margins (as defined in the Agreement) paid to the lenders on borrowings and letters of credit. Availability under the facility is limited to the amount of eligible U.S. and Canadian inventory and Canadian receivables applied against certain advance rates. Depending upon the amount of excess availability under the facility, interest will be calculated at LIBOR plus a margin that ranges between 2.25% and 2.875% or at the Index Rate (prime rate published by the Wall Street Journal) plus a margin that ranges between 1.00% and 1.625%. This change represented a 1.125% to 1.25% adjustment in borrowing margin over the previous rates. The fee for unused capacity associated with the facility was not changed and will range between 0.25% and 0.375%. At December 31, 2010, the interest rate on borrowings under this facility was approximately 2.8%.
     As long as the average daily excess availability for both the preceding and projected succeeding 90-day period is greater than $50 million, WESCO is permitted to make acquisitions and repurchase outstanding public stock and bonds. The above permitted transactions also are allowed if such excess availability is between $25 million and $50 million and WESCO’s fixed charge coverage ratio, as defined by Agreement, is at least 1.25 to 1.0 after taking into consideration the permitted transaction. Additionally, if excess availability under the revolving credit facility is less than $60 million, then WESCO must maintain a fixed charge coverage ratio of 1.1 to 1.0.
     During 2010, WESCO borrowed $636.0 million in the aggregate under the revolving credit facility and made repayments in the aggregate amount of $832.5 million. During 2009, aggregate borrowings and repayments were $308.7 million and $309.7 million, respectively. At December 31, 2010, WESCO did not have a balance outstanding under the facility. WESCO had $276.7 million available under the facility at December 31, 2010, after giving effect to outstanding letters of credit, as compared to approximately $87.4 million at December 31, 2009.
7.50% Senior Subordinated Notes due 2017
     At December 31, 2010, $150 million in aggregate principal amount of the 7.50% Senior Subordinated Notes due 2017 (the “2017 Notes”) was outstanding. The 2017 Notes were issued by WESCO Distribution under an indenture dated as of September 27, 2005 with The Bank of New York, as successor to J.P. Morgan Trust Company, National Association, as trustee, and are unconditionally guaranteed on an unsecured basis by WESCO International. The 2017 Notes accrue interest at the rate of 7.50% per annum and are payable in cash semi-annually in arrears on each April 15 and October 15.
     At any time on or after October 15, 2010, WESCO Distribution may redeem all or a part of the 2017 Notes. Between October 15, 2010 and October 14, 2011, WESCO Distribution may redeem all or a part of the 2017 Notes at a redemption price equal to 103.75% of the principal amount. Between October 15, 2011 and October 14, 2012, WESCO Distribution may redeem all or a part of the 2017 Notes at a redemption price equal to 102.50% of the principal amount. On and after October 15, 2013, WESCO Distribution may redeem all or a part of the 2017 Notes at a redemption price equal to 100% of the principal amount.
     If WESCO Distribution undergoes a change of control prior to maturity, holders of 2017 Notes will have the right, at their option, to require WESCO Distribution to repurchase for cash some or all of their 2017 Notes at a repurchase price equal to 101% of the principal amount of the 2017 Notes being repurchased, plus accrued and unpaid interest to, but not including, the repurchase date.
2.625% Convertible Senior Debentures due 2025
     Proceeds of $150 million were received in connection with the issuance of the 2.625% Convertible Senior Debentures due 2025 (the "2025 Debentures”) by WESCO International under an indenture dated as of September 27, 2005 with The Bank of New York, as successor to J.P. Morgan Trust Company, National Association, as Trustee, and were unconditionally guaranteed on an unsecured senior subordinated basis by WESCO Distribution. On August 27, 2009, WESCO International completed an exchange offer pursuant to which it issued $345.0 million in aggregate principal amount of 6.0% Convertible Senior Debentures due 2029 (the “2029 Debentures”) in exchange for approximately $299.7 million and $57.7 million in aggregate principal amounts of its outstanding 1.75% Convertible Senior Debentures due 2026 (the “2026 Debentures”) and 2025 Debentures, respectively (see the discussion below under “6.0% Convertible Senior Debentures due 2029” for additional information). On November 19, 2010, WESCO International announced that it would redeem all of its outstanding 2025 Debentures. In connection with the redemption, holders of $89.8 million aggregate principal amount of 2025 Debentures converted their debentures. In settlement of those conversions, WESCO paid an aggregate of approximately $89.8 million in cash, including cash in lieu of fractional shares, and issued 340,213 shares of its common stock. WESCO redeemed the remaining $2.5 million aggregate principal amount of outstanding 2025 Debentures at a redemption price equal to 100% of the principal amount plus accrued and unpaid interest. As of December 31, 2010, there were no 2025 Debentures outstanding.

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     On January 1, 2009, WESCO retrospectively applied the provisions of guidance concerning convertible debt instruments to the 2025 Debentures. WESCO utilized an interest rate of 6% to reflect the non convertible market rate of its offering upon issuance. WESCO amortized the debt discount over a five year period starting on the date of issuance. Non-cash interest expense of $2.1 million, $4.0 million and $4.3 million was recorded for the years ended December 31, 2010, 2009 and 2008, respectively.
1.75% Convertible Senior Debentures due 2026
     Proceeds of $300 million were received in connection with the issuance of the 2026 Debentures by WESCO International under an indenture dated as of November 2, 2006 with The Bank of New York, as Trustee, and are unconditionally guaranteed on an unsecured senior subordinated basis by WESCO Distribution. On August 27, 2009, WESCO International completed an exchange offer pursuant to which it issued $345.0 million in aggregate principal amount of 2029 Debentures in exchange for approximately $299.7 million and $57.7 million in aggregate principal amounts of its outstanding 2026 Debentures and 2025 Debentures, respectively (see the 6.0% Convertible Senior Debentures due 2029 discussion below for additional information). WESCO intends to redeem the remaining $0.2 million of the outstanding 2026 Debentures during 2011.
     On January 1, 2009, WESCO retrospectively applied the provisions of guidance concerning convertible debt instruments to the 2026 Debentures. WESCO utilized an interest rate of 6% to reflect the non convertible market rate of its offering upon issuance. WESCO is amortizing the debt discount over a five year period starting on the date of issuance. Non-cash interest expense of less than $0.1 million, $7.1 million and $10.2 million was recorded for the years ended December 31, 2010, 2009 and 2008, respectively. The debt discount amortization will be less than $0.1 million in 2011.
6.0% Convertible Senior Debentures due 2029
     On August 27, 2009, WESCO International completed an exchange offer pursuant to which it issued $345.0 million in aggregate principal amount of 2029 Debentures in exchange for approximately $299.7 million and $57.7 million in aggregate principal amounts of its outstanding 2026 Debentures and 2025 Debentures, respectively. As a result of the debt exchange, WESCO recorded a gain of $6.0 million, which included the write-off of debt issuance costs. The 2029 Debentures were issued pursuant to an Indenture dated August 27, 2009 (the “Indenture”), with The Bank of New York Mellon, as trustee, and are unconditionally guaranteed on an unsecured senior subordinate basis by WESCO Distribution.
     WESCO utilized an interest rate of 13.875% to reflect the non-convertible debt borrowing rate of its offering upon issuance, which was determined based on discussions with its financial institutions and a review of relevant market data, and resulted in a $181.2 million discount to the 2029 Debenture balance and a net increase in additional capital of $106.5 million. In addition, the financing costs related to the issuance of the 2029 Debentures were allocated between the debt and equity components. WESCO is amortizing the debt discount and financing costs over the life of the instrument. Non-cash interest expense of $2.1 million was recorded for the year ended December 31, 2010 and $0.7 million was recorded for the period from August 27, 2009 to December 31, 2009. The debt discount amortization will approximate $2.4 million in 2011, $2.7 million in 2012, $3.1 million in 2013, $3.6 million in 2014, and $4.1 million in 2015.
     While the 2029 Debentures accrue interest at an effective interest rate of 13.875% (as described above), the coupon interest rate of 6.0% per annum is payable in cash semi-annually in arrears on each March 15 and September 15, commencing March 15, 2010. Beginning with the six-month period commencing September 15, 2016, WESCO will also pay contingent interest in cash during any six-month period in which the trading price of the 2029 Debentures for each of the five trading days ending on the second trading day immediately preceding the first day of the applicable six-month interest period equals or exceeds 120% of the principal amount of the 2026 Debentures. During any interest period when contingent interest shall be payable, the contingent interest payable per $1,000 principal amount of 2029 Debentures will equal 0.25% of the average trading price of $1,000 principal amount of the 2029 Debentures during the five trading days immediately preceding the first day of the applicable six-month interest period. In accordance with guidance related to derivatives and hedging, the contingent interest feature of the 2029 Debentures is an embedded derivative that is not considered clearly and closely related to the host contract. The contingent interest component had no significant value at issuance or December 31, 2010.
     The 2029 Debentures are convertible into cash, and in certain circumstances, shares of WESCO International’s common stock, $0.01 par value, at any time on or after September 15, 2028, or prior to September 15, 2028 in certain circumstances. The 2029 Debentures will be convertible based on an initial conversion rate of 34.6433 shares of common stock per $1,000 principal amount of the 2029 Debentures (equivalent to an initial conversion price of approximately $28.87 per share). The conversion rate and conversion price may be adjusted under certain circumstances.
     At any time on or after September 15, 2016, the Company may redeem all or a part of the 2029 Debentures plus accrued and unpaid interest (including contingent interest and additional interest, if any) to, but not including, the redemption date. If WESCO International undergoes certain fundamental changes, as defined in the Indenture, prior to maturity, holders of the 2029 Debentures will have the right, at their option, to require WESCO International to repurchase for cash some or all of their 2029 Debentures at a repurchase price equal to 100% of the principal amount of the 2029 Debentures being repurchased, plus accrued and unpaid interest

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(including contingent interest and additional interest, if any) to, but not including, the repurchase date.
     The following table sets forth the components of WESCO’s outstanding convertible debenture indebtedness:
                                                 
    December 31, 2010     December 31, 2009  
                    Net                     Net  
                    Carrying                     Carrying  
    Principal Balance     Discount     Amount     Principal Balance     Discount     Amount  
                    (In thousands)                          
Convertible Debentures:
                                               
2025
  $     $     $     $ 92,327     $ (2,134 )   $ 90,193  
2026
    221       (7 )     214       234       (16 )     218  
2029
    345,000       (178,420 )     166,580       345,000       (180,539 )     164,461  
     
 
  $ 345,221     $ (178,427 )   $ 166,794     $ 437,561     $ (182,689 )   $ 254,872  
     
Covenant Compliance
     WESCO was in compliance with all relevant covenants contained in its debt agreements as of December 31, 2010.
     The following table sets forth the aggregate principal repayment requirements for all indebtedness for the next five years and thereafter, as of December 31, 2010:
         
(In thousands)        
2011
  $ 3,988  
2012
    2,678  
2013
    406,302  
2014
    296  
2015
    44  
Thereafter
    495,000  
 
     
Total payments on debt
    908,308  
Debt discount on convertible debentures
    (178,427 )
 
     
Total long-term debt
  $ 729,881  
 
     
     WESCO’s credit agreements contain various restrictive covenants that, among other things, impose limitations on (i) dividend payments or certain other restricted payments or investments; (ii) the incurrence of additional indebtedness and guarantees or issuance of additional stock; (iii) creation of liens; (iv) mergers, consolidation or sales of substantially all of WESCO’s assets; (v) certain transactions among affiliates; (vi) payments by certain subsidiaries to WESCO; and (vii) capital expenditures. In addition, the revolving credit agreement requires WESCO to meet certain fixed charge coverage tests depending on availability.
8. CAPITAL STOCK
Preferred Stock
     There are 20 million shares of preferred stock authorized at a par value of $.01 per share. The Board of Directors has the authority, without further action by the stockholders, to issue all authorized preferred shares in one or more series and to fix the number of shares, designations, voting powers, preferences, optional and other special rights and the restrictions or qualifications thereof. The rights, preferences, privileges and powers of each series of preferred stock may differ with respect to dividend rates, liquidation values, voting rights, conversion rights, redemption provisions and other matters.
Common Stock
     There are 210 million shares of common stock and 20 million shares of Class B common stock authorized at a par value of $.01 per share. The Class B common stock is identical to the common stock, except for voting and conversion rights. The holders of Class B common stock have no voting rights. With certain exceptions, Class B common stock may be converted, at the option of the holder, into the same number of shares of common stock.

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     Under the terms of the Revolving Credit Facility, WESCO International is restricted from declaring or paying dividends and as such, at December 31, 2010 and 2009, no dividends had been declared, and therefore no retained earnings were reserved for dividend payments.
Additional Capital
     WESCO separately accounts for the liability and equity components of its Debentures in a manner that reflects its non-convertible debt borrowing rate. As of December 31, 2010 and 2009, the net equity included in additional capital related to the Debentures totaled $106.5 million and $134.8 million, respectively.
9. EQUITY INVESTMENT
     During the first quarter of 2008, WESCO and Deutsch Engineered Connecting Devices, Inc. (“Deutsch”) completed a transaction with respect to WESCO’s LADD operations, which resulted in a joint venture in which Deutsch owned a 60% interest and WESCO owned a 40% interest. WESCO accounted for its investment in the joint venture using the equity method of accounting. Accordingly, earnings from the joint venture were recorded as other income in the consolidated statement of income. Deutsch was entitled, but not obliged, to acquire the remaining 40% after January 1, 2010. Deutsch paid to WESCO aggregate consideration of approximately $75.0 million, consisting of $60.0 million in cash plus a $15.0 million promissory note for its 60% interest in the joint venture.
     On January 15, 2010, WESCO received $1.8 million in accrued interest related to the promissory note for the period from January 2, 2008 to January 2, 2010. In addition, Deutsch and WESCO entered into an amended promissory note agreement. The amendment extended the maturity date for the payment of principal and interest to the earlier of (a) the closing date of Deutsch’s option to acquire the remaining 40% joint venture interest or (b) the maturity date of Deutsch’s credit facility or mezzanine financing facility. Interest accrued at a rate of 8.5% compounded annually. Management believed this rate was commensurate with a market rate of interest; therefore, no reserve or allowance was recorded against the promissory note.
     On April 30, 2010, Deutsch notified WESCO it would exercise its option to purchase the remaining 40% of the LADD joint venture. The option price for Deutsch to acquire the remaining 40% of the joint venture was determined based upon a multiple of trailing earnings, with a minimum purchase price of $40.0 million and maximum purchase price of $50.0 million. The investment in the LADD joint venture at March 31, 2010 was $43.4 million, and the estimated option exercise price was $40.0 million. As a result, WESCO recorded a pre-tax impairment loss of $3.4 million to selling, general and administrative expenses during the first quarter of 2010. On June 7, 2010, WESCO completed the sale of its 40% interest in the LADD joint venture and recorded an additional impairment charge of $0.4 million to selling, general and administrative expenses. WESCO received $40.0 million for its 40% interest plus $15.0 million for the outstanding promissory note and $0.5 million for accrued interest.
10. INCOME TAXES
     The following table sets forth the components of the provision for income taxes:
                         
    Year Ended December 31  
    2010     2009     2008  
            (In thousands)          
Current taxes:
                       
Federal(1)
  $ 11,363     $ 30,136     $ 70,701  
State
    2,018       2,355       13,544  
Foreign
    7,801       7,531       6,235  
     
Total current
    21,182       40,022       90,480  
Deferred taxes:
                       
Federal
    21,069       5,351       6,083  
State
    1,112       1,841       1,652  
Foreign
    (1,199 )     (15,151 )     (11,481 )
     
Total deferred
    20,982       (7,959 )     (3,746 )
     
 
  $ 42,164     $ 32,063     $ 86,734  
     
 
(1)   Tax benefits related to stock options and other equity instruments recorded directly to additional paid in capital totaled $8.2 million, $59.7 million and $10.2 million in 2010, 2009 and 2008, respectively.

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The following table sets forth the components of income before income taxes by jurisdiction:
                         
    Year Ended December 31  
    2010     2009     2008  
            (In thousands)          
United States
  $ 166,108     $ 171,508     $ 323,488  
Foreign
    (8,467 )     (34,357 )     (32,621 )
     
 
  $ 157,641     $ 137,151     $ 290,867  
     
The following table sets forth the reconciliation between the federal statutory income tax rate and the effective rate:
                         
  Year Ended December 31  
  2010     2009     2008  
     
Federal statutory rate
    35.0 %     35.0 %     35.0 %
State taxes, net of federal tax benefit
    1.5       2.5       3.2  
Nondeductible expenses
    1.3       1.3       0.7  
Domestic tax benefit from foreign operations
    (0.3 )     (0.4 )     (1.0 )
Foreign tax rate differences(1)
    (8.0 )     (13.7 )     (7.0 )
Federal tax credits
    (0.1 )     (0.3 )     (0.1 )
Domestic production activity deduction
    (0.5 )     (0.4 )     (0.3 )
Adjustment related to uncertain tax positions
    (4.2 )     0.4       (0.9 )
Revaluation of deferred tax items
    1.9       (0.6 )      
Other
    0.1       (0.4 )     0.2  
     
    26.7 %     23.4 %     29.8 %
     
 
(1)   Includes a tax benefit of $16.6 million, $17.7 million and $20.1 million in 2010, 2009 and 2008 respectively from the recapitalization of WESCO’s Canadian operations, in 2010 an adjustment related to prior year’s foreign taxes and in 2008 the effect of differences between the recorded provision and the final filed tax return for the prior year.
     As of December 31, 2010, WESCO had approximately $177 million of undistributed earnings related to its foreign subsidiaries. Management believes that these earnings will be indefinitely reinvested in foreign jurisdiction; accordingly, WESCO has not provided for U.S. federal income taxes related to these earnings.
     The following table sets forth deferred tax assets and liabilities:
                                 
    December 31  
    2010     2009  
            (In thousands)        
    Assets     Liabilities     Assets     Liabilities  
Accounts receivable
  $ 3,586     $     $ 6,527     $  
Inventory
          7,163             6,335  
Depreciation
          15,754             6,082  
Amortization of intangible assets
          143,371             126,356  
Convertible debt interest
          84,551             99,478  
Employee benefits
    30,474             25,074        
Tax loss carryforwards
    32,692             36,070        
Other
    11,268       3,717       11,283       3,868  
     
Total deferred taxes
  $ 78,020     $ 254,556     $ 78,954     $ 242,119  
     

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     As of December 31, 2010 and 2009, WESCO had state tax benefits derived from net operating loss carryforwards of approximately $6.9 million ($4.5 million, net of federal income tax) and $6.5 million ($4.2 million, net of federal income tax), respectively. In addition, WESCO had tax benefits from net operating losses resulting from the recapitalization of its Canadian operations of $27.1 million and $30.5 million, respectively. The amounts will begin expiring in 2011 and 2027, respectively. WESCO recently reorganized its Canadian operations to increase the likelihood of full utilization of tax benefits derived from Canadian net operating losses. Utilization of WESCO’s state net operating loss carryforwards is subject to annual limitations imposed by state statute. Such annual limitations could result in the expiration of the net operating loss and tax credit carryforwards before utilization. Management anticipates utilizing the net operating losses prior to the expiration of statutes of limitations; accordingly, WESCO has not recorded a valuation allowance.
     WESCO analyzes its filing positions for all open tax years in all jurisdictions. The Company is currently under examination in several tax jurisdictions, both within the United States and outside the United States, and remains subject to examination until the statute of limitations expires for the respective tax jurisdictions. The following summary sets forth the tax years that remain open in the Company’s major tax jurisdictions:
     
United States — Federal
  2000 and forward
United States — States
  2005 and forward
Canada
  1996 and forward
     The following table sets forth the reconciliation of gross unrecognized tax benefits:
                         
    December 31,  
    2010     2009     2008  
    (In thousands)  
Beginning balance January 1
  $ 8,085     $ 7,451     $ 10,015  
Additions based on tax positions related to the current year
    1,439       319       1,677  
Additions for tax positions of prior years
    4,668       927        
Reductions for tax positions of prior years
    (8,818 )           (2,477 )
Settlements
    (1,368 )     (336 )     (427 )
Lapse in statute of limitations
    (612 )     (276 )     (1,337 )
     
Ending balance December 31
  $ 3,394     $ 8,085     $ 7,451  
     
     The total amount of unrecognized tax benefits were $3.4 million, $8.1 million and $7.5 million as of December 31, 2010, 2009 and 2008, respectively. If these tax benefits were recognized in the consolidated financial statements, the portion of these amounts that would reduce the Company’s effective tax rate would be $1.9 million, $7.1 million, and $6.3 million respectively.
     During the next twelve months, it is reasonably possible that the amount of unrecognized tax benefits will change by as much as $1.7 million due to certain issues being settled by the resolution of federal, state and/or foreign tax examinations and/or the expiration of statutes of limitations.
     WESCO records interest related to uncertain tax positions as a part of interest expense in the consolidated statement of income. Any penalties are recognized as part of income tax expense. The total amount of penalties recorded to income tax expense was $0.1 million, $0.1 million and $0.5 million for 2010, 2009 and 2008, respectively. As of December 31, 2010 and 2009, WESCO had an accrued liability of $9.5 million and $4.5 million, respectively, for interest related to uncertain tax positions.

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11. EARNINGS PER SHARE
     Basic earnings per share are computed by dividing net income by the weighted average common shares outstanding during the periods. Diluted earnings per share are computed by dividing net income by the weighted average common shares and common share equivalents outstanding during the periods. The dilutive effect of common share equivalents is considered in the diluted earnings per share computation using the treasury stock method, which includes consideration of stock-based compensation.
     The following table sets forth the details of basic and diluted earnings per share:
                         
    Year Ended December 31  
    2010     2009     2008  
            (In thousands)          
Net income
  $ 115,477     $ 105,088     $ 204,133  
Weighted average common shares outstanding used in computing basic earnings per share
    42,498,728       42,281,955       42,357,748  
 
                       
Common shares issuable upon exercise of dilutive stock options
    840,269       389,990       947,977  
Common shares issuable from contingently convertible debentures (see below for basis of calculation)
    2,773,869              
     
 
                       
Weighted average common shares outstanding and common share equivalents used in computing diluted earnings per share
    46,112,866       42,671,945       43,305,725  
     
 
                       
Earnings per share
                       
Basic
  $ 2.72     $ 2.49     $ 4.82  
Diluted
  $ 2.50     $ 2.46     $ 4.71  
     As of December 31, 2010, 2009 and 2008, the computation of diluted earnings per share excluded stock-settled stock appreciation rights of approximately 2.4 million, 3.6 million and 2.0 million at weighted average exercise prices of $46.73 per share, $39.65 per share and $52.30 per share, respectively. These amounts were excluded because their effect would have been antidilutive.
     Because of WESCO’s obligation to settle the par value of the 2029 Debentures and the 2026 Debentures (the “Debentures”) in cash, WESCO is not required to include any shares underlying the Debentures in its diluted weighted average shares outstanding until the average stock price per share for the period exceeds the conversion price of the respective Debentures. At such time, only the number of shares that would be issuable (under the treasury stock method of accounting for share dilution) will be included, which is based upon the amount by which the average stock price exceeds the conversion price. The conversion prices of the 2029 Debentures and 2026 Debentures are $28.87 and $88.15, respectively. Share dilution is limited to a maximum of 11,951,939 shares for the 2029 Debentures and 2,972 shares for the 2026 Debentures. Share dilution for the 2026 Debentures reflects the impact of the convertible debt exchange. For the period ended December 31, 2010, the effect of the 2029 debentures on diluted earnings per share was a decrease of $0.16. There was no impact of the Debentures on diluted earnings per share for the years ended December 31, 2009 and 2008.
12. EMPLOYEE BENEFIT PLANS
     A majority of WESCO’s employees are covered by defined contribution retirement savings plans for their service rendered subsequent to WESCO’s formation. WESCO also offers a deferred compensation plan for select individuals. For U.S. participants, WESCO will make contributions in an amount equal to 50% of the participant’s total monthly contributions up to a maximum of 6% of eligible compensation. For Canadian participants, WESCO will make contributions in an amount ranging from 1% to 7% of the participant’s eligible compensation based on years of continuous service. In addition, employer contributions may be made at the discretion of the Board of Directors. Discretionary employer contributions charges of $14.2 million and $9.5 million were incurred in 2010 and 2008, respectively. All discretionary contributions were suspended during 2009 due to cost reductions actions; accordingly, no discretionary charges were incurred. For the years ended December 31, 2010, 2009 and 2008, WESCO incurred charges of $25.3 million, $8.3 million and $14.6 million, respectively, for all such plans. Contributions are made in cash to employee retirement savings plan accounts. Employees then have the option to transfer balances allocated to their accounts into any of the available investment options, including WESCO common stock.

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13. STOCK-BASED COMPENSATION
     WESCO has sponsored four stock option plans: the 1999 Long-Term Incentive Plan (“LTIP”), the 1998 Stock Option Plan, the Stock Option Plan for Branch Employees and the 1994 Stock Option Plan. The LTIP was designed to be the successor plan to all prior plans. Any shares remaining reserved for future issuance under the prior plans are available for issuance under the LTIP. The LTIP and predecessor plans are administered by the Compensation Committee of the Board of Directors.
     An initial reserve of 6,936,000 shares of common stock has been authorized for issuance under the LTIP. This reserve automatically increases by (i) the number of shares of common stock covered by unexercised options granted under prior plans that are canceled or terminated after the effective date of the LTIP, and (ii) the number of shares of common stock surrendered by employees to pay the exercise price and/or minimum withholding taxes in connection with the exercise of stock options granted under our prior plans. As of December 31, 2010, 3.2 million shares of common stock were reserved under the LTIP for future equity award grants. In December 2003, in a privately negotiated transaction, WESCO redeemed the net equity value of stock options originally granted in 1994 and 1995, representing approximately 2.9 million shares. These shares are included in the reserve of common stock available for issuance under the LTIP.
     Awards granted vest and become exercisable once criteria based on time or financial performance are achieved. If the financial performance criteria are not met, all the awards will vest after nine years and nine months. All awards vest immediately in the event of a change in control. Each award terminates on the tenth anniversary of its grant date unless terminated sooner under certain conditions.
     As of December 31, 2010, there was $19.1 million of total unrecognized compensation expense related to non-vested stock-based compensation arrangements for all awards previously made of which approximately $11.4 million is expected to be recognized in 2011, $5.8 million in 2012 and $1.9 million in 2013.
     The total intrinsic value of awards exercised during the years ended December 31, 2010 and 2009 was $9.9 million and $3.6 million, respectively. The total amount of cash received from the exercise of options was $1.8 million and $1.4 million, respectively. The tax benefit associated with the exercise of stock options and stock-settled stock appreciation rights totaled $3.1 million and $0.9 million in 2010 and 2009, respectively. WESCO uses the direct only method and tax law ordering approach to calculate the tax effects of stock-based compensation. The tax benefit was recorded as a credit to additional paid-in capital.
     The following table sets forth a summary of both stock options and stock appreciation rights and related information for the years indicated:
                                                                 
    2010     2009     2008  
                    Weighted                                    
            Weighted     Average     Aggregate             Weighted             Weighted  
            Average     Remaining     Intrinsic             Average             Average  
            Exercise     Contractual     Value             Exercise             Exercise  
    Awards     Price     Life     (In thousands)     Awards     Price     Awards     Price  
Beginning of year
    4,226,153     $ 35.30                       3,933,035     $ 36.44       4,213,863     $ 28.85  
Granted
    708,949       33.19                       815,231       25.37       931,344       39.78  
Exercised
    (335,155 )     14.79                       (253,253 )     12.55       (1,149,240 )     10.16  
Cancelled
    (101,644 )     40.62                       (268,860 )     43.22       (62,932 )     58.15  
 
                                                   
End of year
    4,498,303       36.38       6.6     $ 30,801       4,226,153       35.30       3,933,035       36.44  
 
                                               
 
                                                               
Exercisable at end of year
    3,011,120     $ 38.65       5.5     $ 21,477       2,661,320     $ 35.61       2,465,137     $ 29.57  
 
                                               
     The following table sets forth a summary of restricted stock units and related information for the year ended December 31, 2010:
                 
            Weighted  
            Average  
            Fair  
    Awards     Value  
Unvested at December 31, 2009
    243,942     $ 25.37  
Granted
    153,318       33.05  
Vested
    (675 )     25.37  
Forfeited
    (4,092 )     25.77  
 
           
Unvested at December 31, 2010
    392,493     $ 28.36  
 
           

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14. COMMITMENTS AND CONTINGENCIES
     Future minimum rental payments required under operating leases, primarily for real property that have noncancelable lease terms in excess of one year as of December 31, 2010, are as follows:
         
(In thousands)        
2011
  $ 38,420  
2012
    29,640  
2013
    19,486  
2014
    13,053  
2015
    11,146  
Thereafter
    23,624  
     Rental expense for the years ended December 31, 2010, 2009 and 2008 was $45.4 million, $46.3 million and $48.7 million, respectively.
     From time to time, a number of lawsuits and claims have been or may be asserted against WESCO relating to the conduct of its business, including routine litigation relating to commercial and employment matters. The outcomes of litigation cannot be predicted with certainty, and some lawsuits may be determined adversely to WESCO. However, management does not believe that the ultimate outcome is likely to have a material adverse effect on WESCO’s financial condition or liquidity, although the resolution in any fiscal quarter of one or more of these matters may have a material adverse effect on WESCO’s results of operations for that period.
     WESCO is a co-defendant in a lawsuit filed in a state court in Indiana in which a customer alleges that WESCO sold defective products manufactured or remanufactured by others and is seeking monetary damages in the amount of $52 million. WESCO has denied any liability, continues to believe that it has meritorious defenses and intends to vigorously defend itself against these allegations. Accordingly, no liability was recorded for this matter as of December 31, 2010.
15. SEGMENTS AND RELATED INFORMATION
     WESCO provides distribution of product and services through its twelve operating segments which have been aggregated as one reportable segment. The sale of electrical products and maintenance repair and operating supplies represents more than 90% of the consolidated net sales, income from operations and assets for 2010, 2009 and 2008. WESCO has over 250,000 unique product stock keeping units and markets more than 1,000,000 products for customers. There were no material amounts of sales or transfers among geographic areas and no material amounts of export sales.
     The following table sets forth information about WESCO by geographic area:
                                                                         
    Net Sales     Long-Lived Assets  
    Year Ended December 31,     December 31,  
(In thousands)   2010     2009     2008     2010     2009     2008  
United States
  $ 4,198,420       83 %   $ 3,928,182       85 %   $ 5,305,744       87 %   $ 117,767     $ 112,955     $ 120,185  
Canada
    682,415       13 %     559,367       12 %     673,284       11 %     12,446       12,343       10,692  
Mexico
    51,413       1 %     39,032       1 %     36,802       1 %     641       624       764  
 
Subtotal North American Operations
    4,932,248               4,526,581               6,015,830               130,854       125,922       131,641  
Other Foreign
    131,614       3 %     97,373       2 %     95,010       2 %     325       74       128  
 
Total U.S. and Foreign
  $ 5,063,862             $ 4,623,954             $ 6,110,840             $ 131,179     $ 125,996     $ 131,769  
 

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     The following table sets forth sales information about WESCO’s sales by product category:
                         
Year Ended December 31,   2010     2009     2008  
(percentages based on total sales)                        
General and Industrial Supplies
    35 %     35 %     35 %
Wire, Cable and Conduit
    18 %     18 %     20 %
Data Communications
    15 %     14 %     12 %
Power Distribution Equipment
    12 %     13 %     13 %
Lighting and Controls
    10 %     11 %     10 %
Control, Automation and Motors
    10 %     9 %     10 %
 
16. OTHER FINANCIAL INFORMATION
     WESCO Distribution, a 100% owned subsidiary of WESCO International, has outstanding $150.0 million in aggregate principal amount of 2017 Notes, and WESCO International has outstanding $0.2 million in aggregate principal amount of 2026 Debentures and $345 million in aggregate principal amount of 2029 Debentures. The 2017 Notes are fully and unconditionally guaranteed by WESCO International on a subordinated basis to all existing and future senior indebtedness of WESCO International. The 2026 Debentures and 2029 Debentures are fully and unconditionally guaranteed by WESCO Distribution on a senior subordinated basis to all existing and future senior indebtedness of WESCO Distribution.
     Condensed consolidating financial information for WESCO International, WESCO Distribution, Inc. and the non-guarantor subsidiaries is as follows:

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CONDENSED CONSOLIDATING BALANCE SHEETS
                                         
    December 31, 2010  
    (In thousands)  
                            Consolidating        
    WESCO     WESCO             and        
    International,     Distribution,     Non-Guarantor     Eliminating        
    Inc.     Inc.     Subsidiaries     Entries     Consolidated  
     
Cash and cash equivalents
  $ 1     $ 32,341     $ 21,235     $     $ 53,577  
Trade accounts receivable, net
                792,681             792,681  
Inventories, net
          321,111       267,737             588,848  
Other current assets
    (4,492 )     90,105       (7,033 )           78,580  
     
Total curent assets
    (4,491 )     443,557       1,074,620             1,513,686  
Intercompany receivables, net
                1,933,768       (1,933,768 )      
Property, buildings and equipment, net
          41,115       76,930             118,045  
Intangible assets, net
          7,817       152,490             160,307  
Goodwill and other intangibles, net
          240,313       745,401             985,714  
Investments in affiliates and other noncurrent assets
    2,002,358       3,237,808       39,527       (5,230,671 )     49,022  
     
Total assets
  $ 1,997,867     $ 3,970,610     $ 4,022,736     $ (7,164,439 )   $ 2,826,774  
     
 
                                       
Accounts payable
  $     $ 349,250     $ 188,255     $     $ 537,505  
Other current liabilities
    8,016       17,562       145,150             170,728  
     
Total current liabilities
    8,016       366,812       333,405             708,233  
Intercompany payables, net
    646,607       1,287,161             (1,933,768 )      
Long-term debt
    166,573       151,755       407,565             725,893  
Other noncurrent liabilities
    28,077       167,705       48,272             244,054  
Stockholders’ equity
    1,148,594       1,997,177       3,233,494       (5,230,671 )     1,148,594  
     
Total liabilities and stockholders’ equity
  $ 1,997,867     $ 3,970,610     $ 4,022,736     $ (7,164,439 )   $ 2,826,774  
     
                                         
    December 31, 2009  
    (In thousands)  
                            Consolidating        
    WESCO     WESCO             and        
    International,     Distribution,     Non-Guarantor     Eliminating        
    Inc.     Inc.     Subsidiaries     Entries     Consolidated  
     
Cash and cash equivalents
  $ 3     $ 16,924     $ 95,402     $     $ 112,329  
Trade accounts receivable, net
                635,754             635,754  
Inventories, net
          303,747       203,468             507,215  
Other current assets
    394       18,353       56,959             75,706  
     
Total curent assets
    397       339,024       991,583             1,331,004  
Intercompany receivables, net
                1,560,850       (1,560,850 )      
Property, buildings and equipment, net
          38,819       77,490             116,309  
Intangible assets, net
          8,704       72,604             81,308  
Goodwill and other intangibles, net
          188,329       675,081             863,410  
Investments in affiliates and other noncurrent assets
    1,837,883       3,169,830       33,656       (4,939,207 )     102,162  
     
Total assets
  $ 1,838,280     $ 3,744,706     $ 3,411,264     $ (6,500,057 )   $ 2,494,193  
     
 
                                       
Accounts payable
  $     $ 326,996     $ 126,158     $     $ 453,154  
Other current liabilities
    99,528       37,080       91,072             227,680  
     
Total current liabilities
    99,528       364,076       217,230             680,834  
Intercompany payables, net
    554,257       1,006,593             (1,560,850 )      
Long-term debt
    164,679       348,952       84,238             597,869  
Other noncurrent liabilities
    23,527       192,661       3,013             219,201  
Stockholders’ equity
    996,289       1,832,424       3,106,783       (4,939,207 )     996,289  
     
Total liabilities and stockholders’ equity
  $ 1,838,280     $ 3,744,706     $ 3,411,264     $ (6,500,057 )   $ 2,494,193  
     

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CONDENSED CONSOLIDATING STATEMENTS OF INCOME
                                         
    Year Ended December 31, 2010  
    (In thousands)  
                            Consolidating        
    WESCO     WESCO             and        
    International,     Distribution,     Non-Guarantor     Eliminating        
    Inc.     Inc.     Subsidiaries     Entries     Consolidated  
     
Net sales
  $     $ 2,820,855     $ 2,318,495     $ (75,488 )   $ 5,063,862  
Cost of goods sold
          2,262,038       1,878,875       (75,488 )     4,065,425  
Selling, general and administrative expenses
    234       518,100       245,249             763,583  
Depreciation and amortization
          12,581       11,354             23,935  
Results of affiliates’ operations
    153,107       126,711             (279,818 )      
Interest expense, net
    27,565       16,816       13,182             57,563  
Other income
          (4,285 )                 (4,285 )
Provision for income taxes
    9,831       (10,791 )     43,124             42,164  
     
 
                                       
Net income (loss)
  $ 115,477     $ 153,107     $ 126,711     $ (279,818 )   $ 115,477  
     
                                         
    Year Ended December 31, 2009  
    (In thousands)  
                            Consolidating        
    WESCO     WESCO             and        
    International,     Distribution,     Non-Guarantor     Eliminating        
    Inc.     Inc.     Subsidiaries     Entries     Consolidated  
     
Net sales
  $     $ 3,049,745     $ 1,574,209     $     $ 4,623,954  
Cost of goods sold
          2,470,956       1,253,105             3,724,061  
Selling, general and administrative expenses
    39       503,831       190,026             693,896  
Depreciation and amortization
          19,736       6,309             26,045  
Results of affiliates’ operations
    136,606       99,375             (235,981 )      
Interest expense, net
    28,014       16,106       9,634             53,754  
Gain on debt exchange
    (5,962 )                       (5,962 )
Other income
          (4,991 )                 (4,991 )
Provision for income taxes
    9,427       6,876       15,760             32,063  
     
 
                                       
Net income (loss)
  $ 105,088     $ 136,606     $ 99,375     $ (235,981 )   $ 105,088  
     
                                         
    Year Ended December 31, 2008  
                    (In thousands)              
                            Consolidating        
    WESCO     WESCO             and        
    International,     Distribution,     Non-Guarantor     Eliminating        
    Inc.     Inc.     Subsidiaries     Entries     Consolidated  
     
Net sales
  $     $ 4,376,325     $ 1,734,515     $     $ 6,110,840  
Cost of goods sold
          3,556,737       1,347,427             4,904,164  
Selling, general and administrative expenses
    7       643,173       191,098             834,278  
Depreciation and amortization
          14,164       12,567             26,731  
Results of affiliates’ operations
    207,547       100,346             (307,893 )      
Interest (income) expense, net
    (8,677 )     23,210       49,619             64,152  
Other income
          (9,352 )                 (9,352 )
Provision for income taxes
    12,084       41,191       33,459             86,734  
     
 
                                       
Net income (loss)
  $ 204,133     $ 207,548     $ 100,345     $ (307,893 )   $ 204,133  
     

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CONDENSED CONSOLIDATING STATEMENTS OF CASH FLOWS
                                         
    Year Ended December 31, 2010
    (In thousands)  
    WESCO     WESCO             Consolidating        
    International,     Distribution,     Non-Guarantor     and Eliminating        
    Inc.     Inc.     Subsidiaries     Entries     Consolidated  
     
Net cash (used) provided by operating activities
  $ (96,685 )   $ 301,578     $ (77,610 )   $     $ 127,283  
Investing activities:
                                       
Capital expenditures
          (14,702 )     (430 )           (15,132 )
Acquisition payments
          (265,397 )                 (265,397 )
Sale of subsidiary
          40,000                   40,000  
Other
          19,986                   19,986  
     
Net cash used by investing activities
          (220,113 )     (430 )           (220,543 )
Financing activities
                                       
Net borrowings (repayments)
    92,350       (58,894 )                 33,456  
Equity transactions
    4,333                         4,333  
Other
          (7,154 )                 (7,154 )
     
Net cash provided (used) by financing activities
    96,683       (66,048 )                 30,635  
     
 
                                       
Effect of exchange rate changes on cash and cash equivalents
                3,873             3,873  
     
Net change in cash and cash equivalents
    (2 )     15,417       (74,167 )           (58,752 )
Cash and cash equivalents at the beginning of year
    3       16,924       95,402             112,329  
     
Cash and cash equivalents at the end of period
  $ 1     $ 32,341     $ 21,235     $     $ 53,577  
     
Year Ended December 31, 2009
(In thousands)
                                         
    WESCO     WESCO             Consolidating        
    International,     Distribution,     Non-Guarantor     and Eliminating        
    Inc.     Inc.     Subsidiaries     Entries     Consolidated  
     
Net cash (used) provided by operating activities
  $ (61,795 )   $ 335,097     $ 18,362     $     $ 291,664  
Investing activities:
                                       
Capital expenditures
          (12,161 )     (809 )           (12,970 )
Acquisition payments
          (262 )                 (262 )
Sale of subsidiary
          2,420                   2,420  
Other
          120                   120  
     
Net cash used by investing activities
          (9,883 )     (809 )           (10,692 )
Financing activities
                                       
Net borrowings (repayments)
    59,235       (314,817 )                 (255,582 )
Equity transactions
    2,563                         2,563  
Other
          (11,926 )                 (11,926 )
     
Net cash provided (used) by financing activities
    61,798       (326,743 )                 (264,945 )
     
 
                                       
Effect of exchange rate changes on cash and cash equivalents
                9,964             9,964  
     
Net change in cash and cash equivalents
    3       (1,529 )     27,517             25,991  
Cash and cash equivalents at the beginning of year
          18,453       67,885             86,338  
     
Cash and cash equivalents at the end of period
  $ 3     $ 16,924     $ 95,402     $     $ 112,329  
     

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CONDENSED CONSOLIDATING STATEMENTS OF CASH FLOWS (continued)
                                         
    Year Ended December 31, 2008  
                    (In thousands)              
    WESCO     WESCO             Consolidating        
    International,     Distribution,     Non-Guarantor     and Eliminating        
    Inc.     Inc.     Subsidiaries     Entries     Consolidated  
     
Net cash provided by operating activities
  $ 16,479     $ 214,913     $ 48,469     $     $ 279,861  
Investing activities:
                                       
Capital expenditures
          (33,590 )     (1,694 )           (35,284 )
Acquisition payments
          (12,080 )                 (12,080 )
Sale of subsidiary
          60,000                   60,000  
Other
          3,794                   3,794  
     
Net cash provided (used) by investing activities
          18,124       (1,694 )           16,430  
Financing activities
                                       
Net borrowings (repayments)
    41,465       (216,261 )     (1,367 )           (176,163 )
Equity transactions
    (57,937 )                       (57,937 )
Other
          (30,463 )     (426 )           (30,889 )
     
Net cash used by financing activities
    (16,472 )     (246,724 )     (1,793 )           (264,989 )
     
 
                                       
Effect of exchange rate changes on cash and cash equivalents
                (17,261 )           (17,261 )
     
Net change in cash and cash equivalents
    7       (13,687 )     27,721             14,041  
Cash and cash equivalents at the beginning of year
    (7 )     32,140       40,164             72,297  
     
Cash and cash equivalents at the end of period
  $     $ 18,453     $ 67,885     $     $ 86,338  
     

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17. SELECTED QUARTERLY FINANCIAL DATA (unaudited)
     The following table sets forth selected quarterly financial data for the years ended December 31, 2010 and 2009:
                                 
  First     Second     Third     Fourth  
  Quarter     Quarter     Quarter     Quarter  
2010
                               
Net Sales
  $ 1,148,599     $ 1,259,121     $ 1,324,555     $ 1,331,587  
Cost of goods sold
    921,183       1,016,169       1,066,769       1,061,304  
Income from operations
    38,276       51,355       61,246       60,042  
Income before income taxes
    27,252       38,733       47,498       44,158  
Net income
    19,200       27,793       33,661       34,823  
Basic earnings per share(A)
    0.45       0.65       0.79       0.82  
Diluted earnings per share(B)
    0.44       0.60       0.74       0.72  
                               
 
                               
2009
                               
Net Sales
  $ 1,179,590     $ 1,159,218     $ 1,152,427     $ 1,132,719  
Cost of goods sold
    941,413       935,306       931,536       915,806  
Income from operations
    43,531       47,638       46,172       42,611  
Income before income taxes
    32,639       34,918       39,925       29,669  
Net income
    23,232       26,454       33,619       21,753  
Basic earnings per share(A)
    0.55       0.63       0.80       0.51  
Diluted earnings per share(B)
    0.55       0.62       0.79       0.51  
                               
 
(A)   Earnings per share (EPS) in each quarter is computed using the weighted average number of shares outstanding during the quarter while EPS for the full year is computed by taking the average of the weighted average number of shares outstanding each quarter. Thus, the sum of the four quarters’ EPS may not equal the full-year EPS.
 
(B)   Diluted earnings per share (DEPS) in each quarter is computed using the weighted average number of shares outstanding during that quarter while DEPS for the full year is computed by taking the average of the weighted average number of shares outstanding each quarter. Thus, the sum of the four quarters’ DEPS may not equal the full-year DEPS.

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Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure.
None.
Item 9A. Controls and Procedures.
Conclusion Regarding the Effectiveness of Disclosure Controls and Procedures
     Under the supervision and with the participation of our management, including our principal executive officer and principal financial officer, we conducted an evaluation of our disclosure controls and procedures as such term is defined under Rule 13a-15(e) promulgated under the Exchange Act. Based on this evaluation, our principal executive officer and our principal financial officer concluded that our disclosure controls and procedures were effective as of the end of the period covered by this report.
Management’s Report on Internal Control Over Financial Reporting
     Our management is responsible for establishing and maintaining adequate internal control over financial reporting as such term is defined in Exchange Act Rule 13a-15(f). Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate. Under the supervision and with the participation of our management, including our principal executive officer and principal financial officer, we conducted an evaluation of the effectiveness of our internal control over financial reporting based on the framework in Internal Control — Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based on our evaluation under the framework in Internal Control — Integrated Framework, our management concluded that our internal control over financial reporting was effective as of December 31, 2010. Management has excluded TVC Communications, LLC from its assessment of internal control over financial reporting as of December 31, 2010 because it was acquired by the Company in a purchase business combination during December 2010. TVC Communication, LLC is a wholly owned subsidiary whose total assets and total revenues represent $295.5 million and $6.9 million, respectively, of the related consolidated financial statement amounts as of and for the year ended December 31, 2010.
     The effectiveness of the Company’s internal control over financial reporting as of December 31, 2010 has been audited by PricewaterhouseCoopers LLP, an independent registered public accounting firm, as stated in their report, which is included herein.
Changes in Internal Control Over Financial Reporting
     During the last fiscal quarter of 2010, there were no changes in the Company’s internal control over financial reporting identified in connection with management’s evaluation of the effectiveness of the Company’s internal control over financial reporting that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.
Item 9B. Other Information.
None.

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Item 10. Directors, Executive Officers and Corporate Governance.
     The information set forth under the captions “Board of Directors” and “Executive Officers” in our definitive Proxy Statement for our 2011 Annual Meeting of Stockholders is incorporated herein by reference.
     Codes of Business Ethics and Conduct
     We have adopted a Code of Business Ethics and Conduct (“Code of Conduct”) that applies to our Directors, officers and employees that is available on our website at www.wesco.com by selecting the “Investors” tab followed by the “Corporate Governance” heading. Any amendment or waiver of the Code of Conduct for our officers or Directors will be disclosed promptly at that location on our website.
     We also have adopted a Senior Financial Executive Code of Principles for Senior Executives (“Senior Financial Executive Code”) that applies to our principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing these functions. The Senior Financial Executive Code is also available at that same location on our website. We intend to timely disclose any amendment or waiver of the Senior Financial Executive Code on our website and will retain such information on our website as required by applicable SEC rules.
     A copy of the Code of Conduct and/or Senior Financial Executive Code may also be obtained upon request by any stockholder, without charge, by writing to us at WESCO International, Inc., 225 West Station Square Drive, Suite 700, Pittsburgh, Pennsylvania 15219, Attention: Corporate Secretary.
     The information required by Item 10 that relates to our Directors and executive officers is incorporated by reference from the information appearing under the captions “Corporate Governance”, “Board and Committee Meetings” and “Security Ownership” in our definitive Proxy Statement for our 2011 Annual Meeting of Stockholders that is to be filed with the SEC pursuant to the Exchange Act within 120 days of the end of our fiscal year on December 31, 2010.
Item 11. Executive Compensation.
     The information set forth under the captions “Compensation Discussion and Analysis” and “Director Compensation” in our definitive Proxy Statement for our 2011 Annual Meeting of Stockholders is incorporated herein by reference.
Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters.
     The information set forth under the caption “Security Ownership” in our definitive Proxy Statement for our 2011 Annual Meeting of Stockholders is incorporated herein by reference.
     The following table provides information as of December 31, 2010 with respect to the shares of our common stock that may be issued under our existing equity compensation plans:
                         
    Number of securities             Number of securities  
    to be issued     Weighted average     remaining available for  
    upon exercise of     exercise price of     future issuance under  
    outstanding options,     outstanding options,     equity compensation  
Plan Category   warrants and rights     warrants and rights     plans  
 
Equity compensation plans approved by security holders
    4,498,303     $ 36.38       3,167,693  
 
                       
Equity compensation plans not approved by security holders
                 
 
                       
 
Total
    4,498,303     $ 36.38       3,167,693  
 
Item 13. Certain Relationships and Related Transactions, and Director Independence.
     The information set forth under the captions “Transactions with Related Persons” and “Corporate Governance” in our definitive Proxy Statement for our 2011 Annual Meeting of Stockholders is incorporated herein by reference.
Item 14. Principal Accountant Fees and Services.
     The information set forth under the caption “Independent Registered Public Accounting Firm Fees and Services” in our definitive Proxy Statement for our 2011 Annual Meeting of Stockholders is incorporated herein by reference.

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PART IV
Item 15. Exhibits and Financial Statement Schedule.
The financial statements, financial statement schedule and exhibits listed below are filed as part of this annual report:
(a)   (1) Financial Statements
 
    The list of financial statements required by this item is set forth in Item 8, “Financial Statements and Supplementary Data,” and is incorporated herein by reference.
 
(2)   Financial Statement Schedule
 
    Schedule II — Valuation and Qualifying Accounts
 
(b)   Exhibits
         
Exhibit No.   Description of Exhibit   Prior Filing or Sequential Page Number
 
2.1
  Recapitalization Agreement, dated as of March 27, 1998, among Thor Acquisitions L.L.C., WESCO International, Inc. (formerly known as CDW Holding Corporation) and certain security holders of WESCO International, Inc.   Incorporated by reference to Exhibit 2.1 to WESCO’s Registration Statement on Form S-4 (No. 333-43225)
 
       
2.2
  Membership Interest Purchase Agreement, dated as of November 16, 2010, by and among WESCO Distribution, Inc., WDCH, LP, TVC Communications, L.L.C. and Palisades TVC Holding, L.L.C.   Incorporated by reference to Exhibit 2.1 to WESCO’s Current Report on Form 8-K, dated November 16, 2010
 
       
3.1
  Restated Certificate of Incorporation of WESCO International, Inc.   Incorporated by reference to Exhibit 3.1 to WESCO’s Registration Statement on Form S-4 (No. 333-70404)
 
       
3.2
  Amended and Restated By-laws of WESCO International, Inc., effective as of September 28, 2009.   Incorporated by reference to Exhibit 3.1 to WESCO’s Current Report on Form 8-K, dated September 28, 2009
 
       
4.1
  Indenture, dated as of September 22, 2005, by and among WESCO International, Inc., WESCO Distribution, Inc. and J.P. Morgan Trust Company, National Association, as Trustee.   Incorporated by reference to Exhibit 4.4 to WESCO’s Current Report on Form 8-K, dated September 21, 2005
 
       
4.2
  Form of 7.50% Senior Subordinated Note due 2017.   Included in Exhibit 4.1
 
       
4.3
  Indenture, dated November 2, 2006, by and among WESCO International, Inc., WESCO Distribution, Inc. and The Bank of New York, as Trustee.   Incorporated by reference to Exhibit 4.1 to WESCO’s Current Report on Form 8-K, dated November 2, 2006
 
       
4.4
  Form of 1.75% Convertible Senior Debenture due 2026.   Included in Exhibit 4.3
 
       
4.5
  Indenture, dated August 27, 2009, by and among WESCO International, Inc., WESCO Distribution, Inc. and The Bank of New York, as Trustee.   Incorporated by reference to Exhibit 4.1 to WESCO’s Current Report on Form 8-K, dated August 27, 2009
 
       
4.6
  Form of 6.0% Convertible Senior Debenture due 2029.   Included in Exhibit 4.5

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Exhibit No.   Description of Exhibit   Prior Filing or Sequential Page Number
 
10.1
  Form of Stock Option Agreement.   Incorporated by reference to Exhibit 10.4 to WESCO’s Registration Statement on Form S-4 (No. 333-43225)
 
       
10.2
  Form of Amendment to Stock Option Agreement.   Incorporated by reference to Exhibit 10.2 to WESCO’s Current Report on Form 8-K, dated March 2, 2006
 
       
10.3
  Form of Management Stock Option Agreement.   Incorporated by reference to Exhibit 10.2 to WESCO’s Quarterly Report on Form 10-Q for the quarter ended September 30, 1998
 
       
10.4
  Form of Amendment to Management Stock Option Agreement.   Incorporated by reference to Exhibit 10.6 to WESCO’s Current Report on Form 8-K dated March 2, 2006
 
       
10.5
  1999 Deferred Compensation Plan for Non-Employee Directors.   Incorporated by reference to Exhibit 10.22 to WESCO’s Annual Report on Form 10-K for the year ended December 31, 1998
 
       
10.6
  1999 Long-Term Incentive Plan, as restated effective as of May 21, 2008.   Incorporated by reference to Appendix B to the Proxy Statement for the 2008 Annual Meeting of Stockholders filed on Schedule 14A on April 24, 2008
 
       
10.7
  Form of Stock Appreciation Rights Agreement for Employees.   Incorporated by reference to Exhibit 10.1 to WESCO’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2010
 
       
10.8
  Form of Restricted Stock Unit Agreement for Employees.   Incorporated by reference to Exhibit 10.2 to WESCO’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2010
 
       
10.9
  Form of Stock Appreciation Rights Agreement for Non-Employee Directors.   Incorporated by reference to Exhibit 10.3 to WESCO’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2010
 
       
10.10
  Form of Restricted Stock Unit Agreement for Non-Employee Directors.   Incorporated by reference to Exhibit 10.4 to WESCO’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2010
 
       
10.11
  Lease dated December 13, 2002 between WESCO Distribution, Inc. and WESCO Real Estate IV, LLC.   Incorporated by reference to Exhibit 10.27 to WESCO’s Annual Report on Form 10-K for the year ended December 31, 2002
 
       
10.12
  Lease Guaranty dated December 13, 2002 by WESCO International, Inc. in favor of WESCO Real Estate IV, LLC.   Incorporated by reference to Exhibit 10.28 to WESCO’s Annual Report on Form 10-K for the year ended December 31, 2002
 
       
10.13
  Amended and Restated Registration and Participation Agreement, dated as of June 5, 1998, among WESCO International, Inc. and certain security holders of WESCO International, Inc. named therein.   Incorporated by reference to Exhibit 10.19 to WESCO’s Registration Statement on Form S-4 (No. 333-43225)
 
       
10.14
  Loan Agreement between Bear Stearns Commercial Mortgage, Inc. and WESCO Real Estate IV, LLC, dated December 13, 2002.   Incorporated by reference to Exhibit 10.26 to WESCO’s Annual Report on Form 10-K for the year ended December 31, 2002
 
       
10.15
  Guaranty of Non-Recourse Exceptions Agreement dated December 13, 2002 by WESCO International, Inc. in favor of Bear Stearns Commercial Mortgage, Inc.   Incorporated by reference to Exhibit 10.29 to WESCO’s Annual Report on Form 10-K for the year ended December 31, 2002

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Exhibit No.   Description of Exhibit   Prior Filing or Sequential Page Number
 
10.16
  Environmental Indemnity Agreement dated December 13, 2002 made by WESCO Real Estate IV, Inc. and WESCO International, Inc. in favor of Bear Stearns Commercial Mortgage, Inc.   Incorporated by reference to Exhibit 10.30 to WESCO’s Annual Report on Form 10-K for the year ended December 31, 2002
 
       
10.17
  Asset Purchase Agreement, dated as of September 11, 1998, among Bruckner Supply Company, Inc. and WESCO Distribution, Inc.   Incorporated by reference to Exhibit 2.01 to WESCO’s Current Report on Form 8-K, dated September 11, 1998
 
       
10.18
  Amendment dated March 29, 2002 to Asset Purchase Agreement, dated as of September 11, 1998, among Bruckner Supply Company, Inc. and WESCO Distribution, Inc.   Incorporated by reference to Exhibit 10.25 to WESCO’s Annual Report on Form 10-K for the year ended December 31, 2002
 
       
10.19
  Agreement and Plan of Merger, dated August 16, 2005, by and among Carlton-Bates Company, the shareholders of Carlton-Bates Company signatory thereto, the Company Representative (as defined therein), WESCO Distribution, Inc. and C-B WESCO, Inc.   Incorporated by reference to Exhibit 10.3 to WESCO’s Current Report on Form 8-K, dated September 28, 2005
 
       
10.20
  Agreement and Plan of Merger, dated October 2, 2006, by and among WESCO Distribution, Inc., WESCO Voltage, Inc., Communications Supply Holdings, Inc. and Harvest Partners, LLC, as Shareholders’ Representative.   Incorporated by reference to Exhibit 2.1 to WESCO’s Current Report on Form 8-K, dated November 8, 2006
 
       
10.21
  Third Amended and Restated Credit Agreement, dated as of November 1, 2006, among WESCO Distribution, Inc., WESCO Equity Corporation, Herning Enterprises, Inc., WESCO Nevada, Ltd., Carlton-Bates Company and Carlton-Bates Company of Texas, LP, WESCO Distribution Canada LP and the other Canadian Borrowers signatory thereto from time to time, the other Credit Parties signatory thereto, the Lenders signatory thereto from time to time, General Electric Capital Corporation, as Agent and US lender, GECC Capital Markets Group, Inc., as Lead Arranger, and GE Canada Finance Holding Company, as Canadian Agent and a Canadian Lender.   Incorporated by reference to Exhibit 10.1 to WESCO’s Current Report on Form 8-K, dated November 1, 2006
 
       
10.22
  Limited Consent and Amendment No. 1 to the Third Amended and Restated Credit Agreement, dated November 15, 2007.   Incorporated by reference to Exhibit 10.41 to WESCO’s Annual Report on Form 10-K for the year ended December 31, 2007
 
       
10.23
  Amendment No. 2 to the Third Amended and Restated Credit Agreement, dated December 14, 2007.   Incorporated by reference to Exhibit 10.42 to WESCO’s Annual Report on Form 10-K for the year ended December 31, 2007
 
       
10.24
  Limited Consent and Amendment No. 3 to the Third Amended and Restated Credit Agreement, dated December 19, 2008.   Incorporated by reference to Exhibit 10.45 to WESCO’s Annual Report on Form 10-K for the year ended December 31, 2008
 
       
10.25
  Limited Consent and Amendment No. 4 to the Third Amended and Restated Credit Agreement, dated February 19, 2010.   Incorporated by reference to Exhibit 10.1 to WESCO’s Current Report on Form 8-K, dated February 19, 2010

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Exhibit No.   Description of Exhibit   Prior Filing or Sequential Page Number
 
10.26
  Limited Consent and Amendment No. 5 to the Third Amended and Restated Credit Agreement, dated November 16, 2010.   Incorporated by reference to Exhibit 10.1 to WESCO’s Current Report on Form 8-K, dated November 16, 2010
 
       
10.27
  Limited Consent and Amendment No. 6 to the Third Amended and Restated Credit Agreement, dated December 16, 2010.   Incorporated by reference to Exhibit 10.2 to WESCO’s Current Report on Form 8-K, dated December 16, 2010
 
       
10.28
  Third Amended and Restated Receivables Purchase Agreement, dated as of April 13, 2009, by and among WESCO Receivables Corp., WESCO Distribution, Inc., the Purchasers and Purchaser Agents party thereto and PNC Bank, National Association (as successor to Wachovia Capital Markets, LLC), as Administrator.   Incorporated by reference to Exhibit 10.1 to WESCO’s Current Report on Form 8-K, dated April 13, 2009
 
       
10.29
  First Amendment to the Third Amended and Restated Receivables Purchase Agreement, dated as of August 31, 2009.   Incorporated by reference to Exhibit 10.4 to WESCO’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2009
 
       
10.30
  Second Amendment to the Third Amended and Restated Receivables Purchase Agreement, dated as of September 7, 2010.   Incorporated by reference to Exhibit 10.1 to WESCO’s Current Report on Form 8-K, dated September 7, 2010
 
       
10.31
  Third Amendment to the Third Amended and Restated Receivables Purchase Agreement, dated as of December 16, 2010.   Incorporated by reference to Exhibit 10.1 to WESCO’s Current Report on Form 8-K, dated December 16, 2010
 
       
10.32
  Term Sheet, dated May 21, 2009, memorializing terms of employment of Richard P. Heyse by WESCO International, Inc.   Incorporated by reference to Exhibit 10.23 to WESCO’s Annual Report on Form 10-K for the year ended December 31, 2009
 
       
10.33
  Amended and Restated Employment Agreement, dated as of September 1, 2009, between WESCO International Inc. and Roy W. Haley.   Incorporated by reference to Exhibit 10.1 to WESCO’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2009
 
       
10.34
  Amended and Restated Employment Agreement, dated as of September 1, 2009, between WESCO International Inc. and John J. Engel.   Incorporated by reference to Exhibit 10.2 to WESCO’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2009
 
       
10.35
  Amended and Restated Employment Agreement, dated as of September 1, 2009, between WESCO International Inc. and Stephen A. Van Oss.   Incorporated by reference to Exhibit 10.3 to WESCO’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2009
 
       
10.36
  Term Sheet, dated January 15, 2010, memorializing terms of employment of Diane Lazzaris by WESCO International, Inc.   Incorporated by reference to Exhibit 10.28 to WESCO’s Annual Report on Form 10-K for the year ended December 31, 2009
 
       
10.37
  Term Sheet, dated June 18, 2010, memorializing terms of employment of Kimberly Windrow by WESCO International, Inc.   Incorporated by reference to Exhibit 10.1 to WESCO’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2010
 
       
21.1
  Significant Subsidiaries of WESCO.   Filed herewith
 
       
23.1
  Consent of PricewaterhouseCoopers LLP.   Filed herewith
 
       
31.1
  Certification of Chief Executive Officer pursuant to Rule 13a-14(a) promulgated under the Exchange Act.   Filed herewith

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Exhibit No.   Description of Exhibit   Prior Filing or Sequential Page Number
 
31.2
  Certification of Chief Financial Officer pursuant to Rule 13a-14(a) promulgated under the Exchange Act.   Filed herewith
 
       
32.1
  Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.   Filed herewith
 
       
32.2
  Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.   Filed herewith
 
       
101
  Interactive Data File*   Filed herewith
 
*   In with accordance with Rule 406T of Regulation S-T promulgated by the Securities and Exchange Commission, Exhibit 101 is deemed not filed or part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933, is deemed not filed for purposes of Section 18 of the Securities Exchange Act of 1934, and otherwise is not subject to liability under these sections.
The registrant hereby agrees to furnish supplementally to the Commission, upon request, a copy of any omitted schedule to any of the agreements contained herein.
Copies of exhibits may be retrieved electronically at the Securities and Exchange Commission’s home page at www.sec.gov. Exhibits will also be furnished without charge by writing to Richard P. Heyse, Vice President and Chief Financial Officer, 225 West Station Square Drive, Suite 700, Pittsburgh, Pennsylvania 15219. Requests may also be directed to (412) 454-2200.

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SIGNATURES
     Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
         
  WESCO INTERNATIONAL, INC.
 
 
  By:   /s/ JOHN J. ENGEL    
    Name:   John J. Engel   
    Title:   President and
Chief Executive Officer 
 
    Date:   February 24, 2011   
 
     Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.
         
Signature   Title   Date
 
 
       
/s/ ROY W. HALEY
 
Roy W. Haley
  Executive Chairman    February 24, 2011
 
       
/s/ JOHN J. ENGEL
 
  Director and President and Chief Executive Officer    February 24, 2011
John J. Engel
  (Principal Executive Officer)    
 
       
/s/ RICHARD P. HEYSE
 
  Vice President and Chief Financial Officer    February 24, 2011
Richard P. Heyse
  (Principal Financial and Accounting Officer)    
 
       
/s/ SANDRA BEACH LIN
 
Sandra Beach Lin
  Director    February 24, 2011
 
       
/s/ GEORGE L. MILES, JR.
 
George L. Miles, Jr.
  Director    February 24, 2011
 
       
/s/ JOHN K. MORGAN
 
John K. Morgan
  Director    February 24, 2011
 
       
/s/ STEVEN A. RAYMUND
 
Steven A. Raymund
  Director    February 24, 2011
 
       
/s/ JAMES L. SINGLETON
 
James L. Singleton
  Director    February 24, 2011
 
       
/s/ ROBERT J. TARR, JR.
 
Robert J. Tarr, Jr.
  Director    February 24, 2011
 
       
/s/ LYNN M. UTTER
 
Lynn M. Utter
  Director    February 24, 2011
 
       
/s/ STEPHEN A. VAN OSS
 
Stephen A. Van Oss
  Director    February 24, 2011
 
       
/s/ WILLIAM J. VARESCHI
 
William J. Vareschi
  Director    February 24, 2011

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Schedule
Schedule II—Valuation and Qualifying Accounts
                                         
    Col. A     Col. B     Col. C     Col. D     Col. E  
    (In thousands)  
    Balance at             Charged to                
    Beginning     Charged to     Other             Balance at  
(In thousands)   of Period     Expense     Accounts     Deductions(1)     End of Period  
Allowance for doubtful accounts
                                       
Year ended December 31, 2010
  $ 20,060     $ 6,439     $     $ (7,937 )   $ 18,562  
Year ended December 31, 2009
    19,665       6,072       2,059       (7,736 )     20,060  
Year ended December 31, 2008
    17,418       10,103       (10 )     (7,846 )     19,665  
 
(1)    Includes a reduction in the allowance for doubtful accounts due to write-off of accounts receivable.
 
   

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