NEOGEN CORP - Annual Report: 2015 (Form 10-K)

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-K

For the Fiscal Year Ended May 31, 2015

For The Transition Period From             To             .

COMMISSION FILE NUMBER 0-17988

NEOGEN CORPORATION

(Exact name of registrant as specified in its charter)

620 Lesher Place

Lansing, Michigan 48912

(Address of principal executive offices, including zip code)

517-372-9200

(Registrant’s telephone number, including area code)

SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT: NONE

SECURITIES REGISTERED PURSUANT TO SECTION 12(g) OF THE ACT:

COMMON STOCK, $0.16 par value per share

(Title of Class)

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.    Yes  x    No  ¨

Indicate by a check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act.    Yes  ¨    No  x

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 (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  x    No  ¨

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 the past 90 days.    Yes  x    No  ¨

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. ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, or a non-accelerated filer. See definition of “accelerated filer and large accelerated filer” in Rule 12b-2 of the Exchange Act.

(Check one):

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).    Yes  ¨    No  x

Based on the closing sale price on November 30, 2014 the aggregate market value of the voting stock held by non-affiliates of the registrant was $1,638,000,000. For these purposes, the registrant considers its Directors and executive officers to be its only affiliates.

The number of outstanding shares of the registrant’s Common Stock was 37,134,369 on June 30, 2015.

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DOCUMENTS INCORPORATED BY REFERENCE

The Registrant’s definitive proxy statement to be prepared pursuant to Regulation 14a and filed in connection with solicitation of proxies for its October 1, 2015 annual meeting of shareholders is incorporated by reference into part III of this Form 10-K.

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CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING INFORMATION

Forward-looking statements, within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, are made throughout this Annual Report on Form 10-K, including statements relating to management’s expectations regarding new product introductions; the adequacy of the Company’s sources for certain components, raw materials and finished products; and the Company’s ability to utilize certain inventory. For this purpose, any statements contained herein that are not statements of historical fact may be deemed to be forward-looking statements. Without limiting the foregoing, the words “believes,” “anticipates,” “plans,” “expects,” “seeks,” “estimates,” and similar expressions are intended to identify forward-looking statements. There are a number of important factors that could cause Neogen Corporation’s results to differ materially from those indicated by such forward-looking statements, including those detailed in ITEM 1A. RISK FACTORS and under the caption Management’s Discussion and Analysis of Financial Condition and Results of Operations, Critical Accounting Policies and Estimates, and Future Operating Results.

In addition, any forward-looking statements represent management’s views only as of the day this Annual Report on Form 10-K was first filed with the Securities and Exchange Commission and should not be relied upon as representing management’s views as of any subsequent date. While management may elect to update forward-looking statements at some point in the future, it specifically disclaims any obligation to do so, even if its views change.

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PART I.

Neogen Corporation and its subsidiaries (Neogen or the Company) develop, manufacture and market a diverse line of products dedicated to food and animal safety. The Company’s Food Safety segment consists primarily of diagnostic test kits and complementary products (e.g., dehydrated culture media) sold to food producers and processors to detect dangerous and/or unintended substances in human food and animal feed, such as foodborne pathogens, spoilage organisms, natural toxins, food allergens, genetic modifications, ruminant by-products, meat speciation, drug residues, pesticide residues and general sanitation concerns. The diagnostic test kits are generally less expensive, easier to use and provide greater accuracy and speed than conventional diagnostic methods. The majority of the tests are disposable, single-use, immunoassay and DNA detection products that rely on the Company’s proprietary antibodies and RNA and DNA testing methodologies to produce rapid and accurate test results. The Company’s expanding line of food safety products also includes bioluminescence-based diagnostic technology.

Neogen’s Animal Safety segment is engaged in the development, manufacture and marketing of pharmaceuticals, rodenticides, disinfectants, vaccines, veterinary instruments, topicals, diagnostic products and genomic testing services for the worldwide animal safety market. The majority of these consumable products are marketed through a network of national and international distributors, as well as a number of large farm supply retail chains in the United States and Canada. The Company’s USDA-licensed facility in Lansing, Michigan, produces immunostimulant products for horses and dogs, and a unique equine botulism vaccine. The Company’s line of drug detection products is sold worldwide for the detection of abused and therapeutic drugs in animals and animal products.

Neogen’s products are marketed by Company sales personnel in North America, the United Kingdom and other parts of Europe, Mexico, Brazil and China, and by distributors throughout the rest of the world.

Management’s vision is for Neogen to become a world leader in the development and marketing of products dedicated to food and animal safety. To meet this vision, a growth strategy consisting of the following elements has been developed: (i) increasing sales of existing products; (ii) introducing new products and product lines; (iii) expanding international sales; and (iv) acquiring businesses and forming strategic alliances. While each of the elements of the strategy is important over the long term, the Company has been historically successful at acquiring products and/or businesses; accordingly the Company maintains an active acquisition program to identify and capitalize on opportunities as they arise.

Neogen Corporation was formed as a Michigan corporation in June 1981 and actual operations began in 1982. The Company’s principal executive offices are located at 620 Lesher Place, Lansing, Michigan 48912-1595 and its telephone number is (517) 372-9200.

Neogen’s Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K, and amendments to those reports are available free of charge via our Internet website (www.neogen.com) as soon as reasonably practicable after such information is filed with, or furnished to, the United States Securities and Exchange Commission.

PRODUCTS

Product trademarks and registered trademarks owned by Neogen include: Corporate: Neogen^®, Neogen flask logo^®, Food Safety: AccuClean^®, AccuPoint^®, AccuScan^®, Acumedia^®, Agri-Screen^®, Alert^®, ANSR^®, BetaStar^®, BioLumix^®, Centrus^®, F.A.S.T. ^®, GeneQuence^®, GENE-TRAK^®, ISO-GRID^®, NeoCare™, NeoColumn™, NeoFilm^®, NeoSeek™, NEO-GRID^®, Penzyme^®, Reveal^®, Revive^®, Soleris^®, Veratox^®, Simple. Accurate. Supported. Food Safety Solutions^SM; Life Sciences: Alert^®, K-Blue^®, K-Blue Substrate^®, K-Gold^®, NeoSal™ Animal Safety: Aero-ssault™, Ag-Tek^®, AluShield™, BotVax^®, BreederSleeve^®, Calf Eze™, Chem-Tech, Ltd™, Chem-Tech’s CT logo™, Cowboy Syringe^®, CT-511^®, Cykill™, D3™, DC&R^®, DeciMax^®, Di-Kill^®, Dr. Frank’s^®, Dy-Fly^®, ElectroJac^®, ELISA Technologies^®, EqStim^®, EquiSleeve^®, E-Z Bond™, E-Z Catch^®, Final-Fly-T^®, Fly-Die Defense™, Fura-Zone^®, Gold Nugget^®, Horse Sense^®, Ideal^®, ImmunoRegulin^®, Insectrin^®, Insight™, Jolt^®, LD-44^®, LD-44T™, MaxiSleeve^®, MegaShot™, MycAseptic™, NeedleGard™, NFZ™, One Bad Cat^®, PanaKare™, Parvosol^®, PolyPetite™, PolyShield™, PolySleeve^®, Poridon^®, Prima^®, Prima Marc™, Prima Tech^®, Prima Tech logo^®, Pro-Fix^®, Pro-Flex^®, Pro-Shot™, PRO-TECT 6 MIL^®, PRO-TECT 6 MIL logo^®, Prozap^®, Prozap stylized mark™, PY-75™, Ramik^®, RenaKare™, Rodent Elimination Station™, Rodex™, Rot-Not™, Safe-T-Flex™, Spectrasol™, Spec-Tuss™, Squire^®, Stress-Dex^®, SureBond^®, SureKill^®, SyrVet^®, SyrVet logo^®, ThyroKare™, TopHoof™, Tri-Hist^®, Tri-Seal™, Tryad^®, Turbocide^®, Turbocide Gold^®, Udder Shield^®, Uniprim^®, UriCon^®, UriKare™, VAP-5™, VAP-20™, Vet-Tie™, Vita-15™, War Paint^®, We keep ‘em movin’^®, Zipcide^®; BioSentry Brands: Acid-A-Foam™, AquaPrime^®, BioCres™, BioPhene™, BioQuat™, Chlor-A-Foam™, GenQuat™, X-185™ Agrigenomics: GeneSeek^®, Genomic Profiler™, Genomic Solutions for Food Security^®, Igenity^®, Igenity logo^®, SeekGain™, SeekSire™, SeekTrace™ Logotypes: BioSentry barn logo^®, BioSentry chicken logo^®, BioSentry pig logo^®, SyrVet circular design^®, TurboCide^®.

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Neogen operates in two primary business areas: the Food Safety segment, which develops and markets products for the detection of pathogens, natural toxins, allergens and other unwanted substances in food and feed products; and the Animal Safety segment, which develops and markets products and services dedicated to animal health. See Notes to Consolidated Financial Statements elsewhere in this Form 10-K for financial information about the Company’s business segments and international operations.

FOOD SAFETY SEGMENT

Neogen’s Food Safety segment is primarily engaged in the production and marketing of diagnostic test kits and complementary products marketed to food and feed producers and processors to detect dangerous and/or unintended substances in food and animal feed, such as foodborne pathogens, spoilage organisms, natural toxins, food allergens, genetic modifications, ruminant by-products, meat speciation, drug residues, pesticide residues and general sanitation concerns.

The majority of Neogen’s food safety test kits use immunoassay technology to rapidly detect target substances. The Company’s ability to produce high quality antibodies sets its products apart from immunoassay test kits produced and sold by other companies. The Company’s kits are available in microwell formats, which allow for automated and rapid processing of a large number of samples, and lateral flow and other similar devices that provide distinct visual results. Typically, test kits use antibody-coated test devices and chemical reagents to indicate a positive or negative result for the presence of a target substance in a test sample; the simplicity of the tests makes them accessible to all levels of food producers, processors and handlers.

The Company’s kits are generally based on internally developed technology, licensed technology, or technology that is acquired in connection with acquisitions. In fiscal 2015, the Food Safety segment incurred royalty expense totaling $1,276,000 for licenses and royalties for technology used in the Company’s products, including expense of $359,000 for licenses related to the dairy antibiotics product line, $608,000 for allergen products and $123,000 for the pathogen product line. Generally, the Company’s royalty rates are in the range of 2% to 10% of revenues on products containing the licensed technology. Some licenses involve technology that is exclusive to Neogen’s use while others are nonexclusive and involve technology licensed to multiple licensees.

Neogen’s test kits are used to detect potential hazards in food and animal feed by testers ranging from small local grain elevators to the largest, best-known food and feed processors in the world, and numerous regulatory agencies.

Meat and poultry processors, seafood processors, fruit and vegetable producers and many other market segments are the primary users of Neogen’s ANSR and Reveal tests for foodborne bacteria, including E. coli O157:H7, Salmonella, Listeria and Campylobacter. Grain producers and processors of all types and sizes use the Company’s Veratox, Agri-Screen, Reveal and Reveal Q+ tests for mycotoxins, including aflatoxin, deoxynivalenol, fumonisin, ochratoxin, zearalenone and T-2/HT-2 toxin, to help ensure product safety and quality. The world’s largest producers of cookies, crackers, candy, ice cream, and many other foods, use the Company’s Veratox, Alert, Reveal, Reveal 3-D and BioKits testing products for food allergens to help protect their food-allergic customers from the inadvertent contamination of products with food allergens, such as peanut, milk, egg, almond, gliadin (gluten), soy, and hazelnut residues.

Dairies are the primary users of Neogen’s BetaStar, BetaStar Combo, BetaStar 4D and Penzyme diagnostic tests to detect the presence of beta-lactam and tetracycline antibiotics in milk. The presence of these drugs in milk is a public health hazard and an economic risk to processors as it limits the milk’s further processing.

Neogen’s specialty products for the seafood market include tests for histamine, a highly allergenic substance that occurs when certain species of fish begin to decay; chloramphenicol, a banned antibiotic in most of the world, but still used by some shrimp farmers to improve the yield of their product; sulfite, an effective but potentially allergenic shrimp preservative; and shellfish toxins.

Neogen also offers other test methods and products to complement its immunoassay tests. Neogen’s ANSR pathogen detection system is an isothermal amplification reaction test method which exponentially amplifies the DNA of any bacteria present in food and environmental samples to detectable levels in 10 minutes. Combined with ANSR’s single enrichment step, Neogen’s pathogen detection method provides DNA-definitive results in a fraction of the time of other molecular detection methods on the market today. ANSR is designed for use in food and pet food production facilities, and laboratories that serve those industries.

Neogen’s Soleris and BioLumix products are used by food processors to identify the presence of spoilage organisms (e.g., yeast and mold) and other microbiological contamination.

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Neogen’s Acumedia subsidiary offers dehydrated culture media for varied purposes, including traditional bacterial testing, and growing beneficial bacteria, such as cultures for sausages and beer. The Company’s customers for dehydrated culture media also include commercial and research laboratories and producers of pharmaceuticals, cosmetics and veterinary vaccines.

Neogen manufactures and markets its AccuPoint rapid sanitation test for adenosine triphosphate (ATP), a chemical found in all living cells. This easy-to-use and inexpensive test uses bioluminescence to quickly determine if a food contact surface has been completely sanitized. When ATP comes into contact with the firefly reagents luciferin and luciferase contained in the test device, a reaction takes place that produces light. More light is indicative of higher levels of ATP and a need for more thorough sanitation. The Company’s worldwide customer base for its ATP sanitation testing products includes food and beverage processors, the food service and healthcare industries, as well as many other users.

Revenues from Neogen’s Food Safety segment accounted for 46.5%, 47.0% and 51.2% of the Company’s total revenues for fiscal years ended May 31, 2015, 2014 and 2013, respectively.

ANIMAL SAFETY SEGMENT

Neogen’s Animal Safety segment is primarily engaged in the development, manufacture and marketing of pharmaceuticals, rodenticides, disinfectants, vaccines, veterinary instruments, topicals, diagnostic products and genomics services.

Animal Safety’s NeogenVet product line provides innovative, value-added, high quality products to the veterinary market. Top NeogenVet products include PanaKare, a digestive aid that serves as a replacement therapy where digestion of protein, carbohydrate and fat is inadequate due to exocrine pancreatic insufficiency; Natural Vitamin E-AD, which aids in the prevention and treatment of vitamin deficiencies in swine, cattle and sheep; and RenaKare, a supplement for potassium deficiency in cats and dogs. Other products sold under the NeogenVet brand include Vita-15 and Liver 7, which are used in the treatment and prevention of nutritional deficiencies in horses. The Company also manufactures Uniprim, a leading veterinary antibiotic, which was purchased in fiscal 2013.

Neogen manufactures and markets a comprehensive line of agricultural biosecurity products, including the brands Ramik and Havoc rodenticides, and cleaners and disinfectants used in animal and food production facilities, including DC&R, 904 Disinfectant, Acid-A-Foam, and FarmFluid S. The products also have potential for use in the veterinary clinic market to maintain sanitary conditions and limit the potential hazards of bacteria, fungi and viruses.

Neogen’s in-house equine protozoal myeloencephalitis (EPM) testing service offers veterinarians accurate, timely results for early diagnosis of the disease that can devastate a horse’s central nervous system. In addition, the Company’s BotVax B vaccine has successfully protected thousands of high-value horses and foals against Type B botulism, commonly known as Shaker Foal Syndrome. The Company’s product is the only USDA-approved vaccine for the prevention of Type B botulism in horses.

Years of research and many thousands of doses have proven Neogen’s EqStim immunostimulant to be safe and effective as a veterinarian-administered adjunct to conventional treatment of equine bacterial and viral respiratory infections. The Company’s ImmunoRegulin product uses similar immunostimulant technology to aid in the treatment of pyoderma (a bacterial skin inflammation) in dogs.

Neogen markets a broad line of veterinary instruments and animal health delivery systems under the Ideal brand name. Approximately 250 different products are offered, many of which are used to deliver animal health products, such as antibiotics and vaccines. Ideal’s patented detectable needle product lines are stronger than conventional veterinary needles, and are uniquely detectable by common meat processing facility metal detectors — a big market advantage in the safety-conscious beef and swine industries.

Animal Safety products offered by Neogen to the retail over-the-counter (OTC) market include many of the Ideal brand veterinary instruments and products sold under the Squire brand. Squire products also include Stress-Dex oral electrolyte replacer for performance horses, and Furazone, for the prevention and treatment of surface bacterial infections in wounds, burns and cutaneous ulcers. Ag-Tek and other hoof care, disposables and artificial insemination supplies are marketed to the dairy and veterinary industries.

In July 2013, Neogen acquired the assets of SyrVet Inc., a veterinary instrument business and important supplier to farmers, ranchers and veterinarians in more than 30 countries worldwide. SyrVet’s product line ranges from animal handling products to sophisticated supplies for artificial insemination, and it has significant shelf space in major farm store suppliers throughout the U.S. The majority of SyrVet’s products are used in the production of food animals; however, its Horse Sense product line provides a wide array of tack products to the professional equine market.

The November 2013 acquisition of the assets of Prima Tech Incorporated added additional veterinary instruments to Neogen’s offerings. The Kenansville, North Carolina-based business was started in 1998, and had become an important supplier of veterinary instruments in the U.S. and major portions of Europe. The Prima Tech product line is designed around highly accurate devices used by farmers, ranchers, and veterinarians to inject animals, provide topical applications, and to use for oral administration. Prima Tech is also a supplier of products used in artificial insemination in the swine industry. Other products include animal identification and handling equipment.

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In January 2014, Neogen acquired the stock of Chem-Tech Ltd., a manufacturer of insecticides for the animal and food industries, which operates a manufacturing and distribution facility in Pleasantville, Iowa. Chem-Tech’s highly effective insecticides utilize environmentally friendly technical formulas, and several are approved for use in food establishments. The company’s Prozap insecticide brand is well known in the large animal production industry, and is particularly popular with dairy and equine producers. For a number of years, Neogen has shared the Prozap trademark with Chem-Tech, with Neogen using the brand for certain rodenticides.

Neogen’s line of approximately 100 drug detection immunoassay test kits is sold worldwide for the detection of approximately 300 abused and therapeutic drugs in farm animals and racing animals, such as horses, greyhounds and camels, and for detection of drug residues in meat and meat products. The test kits are also used for human forensic toxicology drug screening applications. This line includes tests for narcotics, analgesics, stimulants, depressants, tranquilizers, anesthetics, steroids and diuretics.

Neogen also has several products used by researchers for the detection of biologically active substances. These products include tests for cyclic nucleotides, hormones, leukotrienes, prostaglandins and steroids. Marketed under the trademarks of K-Blue and K-Gold, Neogen offers proprietary substrates that it uses in its own testing products, and that are sold to other diagnostic test kit manufacturers.

Neogen’s GeneSeek agricultural genomics testing laboratory employs high-resolution DNA genotyping for identity and trait analysis in a variety of important animal and agricultural plant species. Through the use of single nucleotide polymorphism (SNP) discovery and analysis, GeneSeek empowers its customers to speed genetic improvement efforts, as well as identify economically important diseases, primarily in large-herd beef and dairy cattle, swine, poultry and sheep producers. The Company’s Igenity bioinformatics system identifies the animal’s positive or negative traits.

Many of the genomics services use licensed technology. Animal Safety incurred royalty expense totaling $913,000 for licenses and royalties in fiscal 2015 for technology used in the segment’s products and services, including expense of $589,000 for licenses related to the genomics services line.

Revenues from Neogen’s Animal Safety segment accounted for 53.5%, 53.0% and 48.8% of the Company’s total revenues for fiscal years ended May 31, 2015, 2014 and 2013, respectively.

GENERAL SALES AND MARKETING

Neogen is organized under two segments — Food Safety and Animal Safety. Within these segments, the Company’s sales efforts are generally organized by specific markets, rather than by products or geography. During the fiscal year that ended May 31, 2015, the Company had approximately 20,000 customers for its products. Since many customers for animal safety products are distributors, and certain animal safety products are offered to the general retail market, the total number of end users of the Company’s products is considerably greater than 20,000. As of May 31, 2015, a total of 272 employees were assigned to sales and marketing functions within the Company, compared to 255 at the end of May 2014. During the years ended May 31, 2015, 2014 and 2013, no single customer or distributor accounted for 10% or more of the Company’s revenues.

DOMESTIC SALES AND MARKETING

FOOD SAFETY

To reach each customer and prospect with expertise and experience, Neogen has a staff of specialized food safety sales and technical service representatives assigned to specific markets. This staff sells Company products directly to end users, and also handles technical support issues that arise with customers in the United States and Canada.

Neogen’s food safety markets are primarily comprised of: milling and grain, including grain elevators, feed mills, pet food manufacturers, and grain inspection companies; meat and poultry, including meat and poultry processors, producers of ready-to-eat meat and poultry products; and the USDA’s Food Safety Inspection Service (FSIS); grocery products, including flour millers, malters, bakeries, candy and confection manufacturers, manufacturers of prepared meals, nuts, spices, cookies, crackers and other snack foods; fruits and vegetables, including growers and processors of juice and packaged fresh cut grocery items; seafood, including harvesters and processors of a wide variety of seafood products; dairy and beverage, including milk processors and soft drink bottlers; healthcare, including hospitals and distributors to the healthcare industry; Acumedia dehydrated culture media, including commercial and research laboratories and producers of pharmaceuticals, cosmetics and veterinary vaccines; food service and retail, including fast food service establishments and retail grocery market chains, and nutraceuticals, including producers and marketers of a wide variety of nutritional and holistic consumer products.

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ANIMAL SAFETY

Neogen markets a broad range of pharmaceuticals, vitamin injectables, wound care products, topicals, instruments, genomics services and biologicals to the ethical veterinary market. The product range is focused on the food (e.g., cattle, swine and poultry) and companion (e.g., horses, dogs and cats) animal markets. Neogen’s sales group works directly with veterinarians, clinics and universities and markets through established ethical distributors by supporting the efforts of over 1,000 domestic distributor sales representatives calling on 35,000 plus veterinarians. Neogen further supports its veterinary distribution channel through product training, field support, promotions and technical service.

The Company believes the OTC animal health market offers growth opportunities for Neogen and its products. Neogen offers a broad range of products including well-recognized brands of rodenticides, disinfectants, insecticides, instruments and horse care products. To reach the OTC market, Neogen’s sales team works with a large network of animal health distributors including marketing groups, traditional two-step distributors, catalogers and large retail chains. Support includes product training, field support, planogram solutions, promotions and advertising. The Company’s agricultural genomics laboratory, GeneSeek, provides commercial lab services direct to large-herd beef and dairy cattle, swine, poultry and sheep producers, universities and other research organizations, and various livestock and canine breed associations.

INTERNATIONAL SALES AND MARKETING

Neogen maintains five Company-owned locations outside of the United States and Canada to provide a direct presence in regions of particular importance to the Company, and maintains an extensive network of distributors to reach countries where the Company does not have a direct presence.

Neogen Europe, Ltd., located in Ayr, Scotland, provides the Company access to the European Union (E.U.), and sells products and services to its network of customers and distributors throughout the E.U. Customers in the United Kingdom, France, Germany and the Netherlands are served by Company employees. Other European region customers are generally serviced by distributors managed by Neogen Europe personnel. Neogen Europe’s research and development continue to be a strong asset in the development of products tailored to meet the unique requirements of the European market.

The Company’s subsidiary in Mexico, Neogen Latinoamérica, is headquartered in Mexico City and distributes Neogen’s products throughout Mexico and Central America. Neogen Latinoamérica manages the Company’s business activities throughout the region to animal and crop producers, and food processors.

Neogen’s subsidiary in Brazil, Neogen do Brasil (Neogen of Brazil), is headquartered near São Paulo, and distributes Neogen’s products throughout Brazil. Brazil is one of the world leaders in the export of numerous food commodities, including beef, poultry, soybeans, coffee, sugar, and orange juice, and this operation gives the Company direct sales representation to these important markets.

In December 2014, Neogen acquired the food safety and veterinary genomic assets of its Chinese distributor, Beijing Anapure BioScientific Co., Ltd. (Anapure). Anapure had been a distributor of Neogen’s food safety products for more than 10 years, and had also offered Neogen’s veterinary genomic services. China’s burgeoning middle class, with its rapidly growing demand for higher quality meat and dairy products, makes the country a substantial growth opportunity for Neogen products — both for animal production on the country’s farms, and in processing plants throughout China’s food processing and distribution industry. Neogen will continue to operate from its existing administrative office in Shanghai, while also maintaining a sales office and lab space in Beijing.

In June 2015, Neogen acquired the assets of Sterling Test House, a leading commercial food testing laboratory based in southwest India, to serve as a base for the Company’s new operations in India. Sterling Test House was incorporated in 1990, and its business has grown to include virtually all of the food safety and water quality testing for major hotels and restaurants in its home region, as well as safety and quality analysis for the country’s expanding nutraceutical market, and growing food export businesses. The laboratory is located in Cochin in the state of Kerala, which is India’s leading region for the export of spices, tea, and fresh fruits and vegetables.

Neogen’s dairy antibiotics diagnostic products are distributed outside of North America, Brazil and China by Denmark based Chr. Hansen, an international supplier of natural ingredient solutions for the food, health and nutritional industries.

Animal Safety has a strong presence in several key international markets with rodenticides, disinfectants, instruments, diagnostics and veterinary products. Utilizing Company personnel in Brazil, Mexico and China as well as in-country distributors and U.S.-based exporters, these markets include Canada, Mexico and Central America, South America, the Caribbean, Australia, Europe and Asia.

Outside of the Company locations mentioned above, Neogen uses its own sales managers to work closely with and coordinate the efforts of a network of approximately 120 distributors in more than 100 countries. The distributors provide local training and technical support, perform market research, and promote Company products within designated countries around the world.

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GENERAL:

Sales to customers outside the United States accounted for 36.7%, 38.8% and 40.1% of the Company’s total revenues for fiscal years ended May 31, 2015, 2014 and 2013, respectively.

Some risks associated with export sales and foreign operations include the need for regulatory approvals, possible disruptions of product delivery, the differing product needs of foreign customers, dependence on distributors to support customers, difficulties in building and managing foreign operations, fluctuations in the value of foreign currencies, import/export duties and quotas, and unexpected regulatory, economic or political changes in foreign markets.

RESEARCH AND DEVELOPMENT

Management maintains a strong commitment to Neogen’s research and development activities. The Company’s product development efforts are focused on the enhancement of existing product lines and in the development of new products that fit its business strategy. As of May 31, 2015, the Company employed 75 individuals in its worldwide research and development group, including immunologists, chemists and microbiologists. Research and development costs were approximately $9.6 million, $8.3 million and $7.8 million representing 3.4%, 3.4% and 3.7% of total revenues in fiscal years 2015, 2014 and 2013, respectively. Management currently expects the Company’s future research and development expenditures to approximate 3% to 5% of total revenues.

Neogen has ongoing development projects for new diagnostic tests and other complementary products for both the food safety and animal safety markets. Management expects that a number of these products will be commercially available at various times during fiscal years 2016 to 2018.

Portions of certain technologies utilized in some products manufactured and marketed by Neogen were acquired from or developed in collaboration with affiliated partnerships, independent scientists, governmental units, universities and other third parties. The Company has entered into agreements with these parties that provide for the payment of license fees and royalties based upon sales of products that utilize the pertinent technology. License fees and royalties expensed under these agreements amounted to $2,189,000, $2,278,000 and $1,837,000 in fiscal years 2015, 2014 and 2013, respectively.

PROPRIETARY PROTECTION AND APPROVALS

Neogen uses trade secrets as proprietary protection in many of its food and animal safety products. In many cases, the Company has developed unique antibodies capable of detecting microorganisms and residues at minute levels. The proprietary nature of these antibodies may offer better protection than the filing of patents. Such proprietary reagents are maintained in secure facilities and stored in more than one location to reduce exposure to complete destruction by natural disaster or other means.

Patent and trademark applications are submitted whenever appropriate. Since its inception, Neogen has acquired and received numerous patents and trademarks, and has several pending patents and trademarks. The patents expire at various times over the next 24 years.

A summary of patents by product categories follows:

The Company does not expect the near-term expiration of any patent to have a significant effect on future results of operations.

Management believes that Neogen has adequate protection as to proprietary rights for its products. However, it is aware that substantial research has taken place at universities, governmental agencies and other companies throughout the world and that numerous patents have been applied for and issued. To the extent some of the Company’s products may now, or in the future, embody technologies protected by patents, copyrights or trade secrets of others, licenses to use such technologies may need to be obtained in order to continue to sell the products. These licenses may not be available on commercially reasonable terms. Failure to obtain any such licenses may delay or prevent the sale of certain new or existing products. In addition, patent litigation is not uncommon. Accordingly, there can be no assurance that the Company’s existing patents will be sufficient to completely protect its proprietary rights.

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One of the major areas affecting the success of biotechnology development involves the time, cost and uncertainty surrounding regulatory approvals. Neogen products requiring regulatory approval, which the Company currently has in place, include BotVax B, EqStim, ImmunoRegulin, Uniprim and BetaStar. The Company’s general strategy is to select technical and proprietary products that do not require mandatory approval to be marketed. Neogen’s rodenticide, disinfectant and insecticide products are subject to registration in the United States and internationally.

Neogen utilizes third-party validations on many of its disposable test kits as a marketing tool to provide its customers with the proper assurances. These include validation by the AOAC International, independently administered third-party, multi-laboratory collaborative studies and approvals by the U.S. Federal Grain Inspection Service and the USDA Food Safety Inspection Service for the use of Company products in their operations.

PRODUCTION AND SUPPLY

Neogen manufactures its products in Michigan, Kentucky, Wisconsin, North Carolina, Iowa and Scotland and provides genomic services in Nebraska. As of May 31, 2015, there were approximately 486 full-time employees assigned to manufacturing and providing of services in these locations, operating on one or two shifts; with occasional 24/7 production during high demand periods. Future demand increases could be accommodated by adding shifts. Management believes it could increase the current output of its primary product lines by more than 50% using the current space available; to do so could require investment in additional capital equipment.

Manufacturing of diagnostic tests for detection of natural toxins, pathogens, food allergens, spoilage organisms and pesticides, final kit assembly, quality assurance and shipping all take place in the Company’s facilities in Lansing, Michigan. Proprietary monoclonal and polyclonal antibodies for Neogen’s diagnostic kits are produced on a regular schedule in the Company’s immunology laboratories in Lansing. Manufacturing of diagnostic tests for the presence of dairy antibiotics in milk is completed in the Company’s Lansing facilities. Generally, final assembly and shipment of diagnostic test kits to customers in Europe are performed in the Company’s Ayr, Scotland facility.

Assembly and shipment of electronic readers and disposable single-use samplers takes place in the Company’s facilities in Lansing. Soleris instrument readers are produced by third party vendors, quality tested in Lansing, and then shipped to customers.

Dehydrated culture media products are manufactured in a FDA-registered facility in Lansing. Products are blended following strict formulations or custom blended to customer specification and shipped directly to customers from Lansing.

Manufacturing of animal health products, pharmacological diagnostic test kits and test kits for drug residues takes place in the Company’s FDA-registered facilities in Lexington, Kentucky. In general, manufacturing operations including reagent manufacturing, quality assurance, final kit assembly and packaging are performed by Neogen personnel. Certain animal health products and veterinary instruments that are purchased finished or that are toll manufactured by third party vendors are warehoused and shipped from the Company’s Lexington facility. Other veterinary instruments are produced in the Company’s facilities in Lansing, and are generally then shipped to Lexington, for distribution to customers.

Manufacture of rodenticides and certain cleaners and disinfectants takes place in Randolph, Wisconsin. Manufacturing of rodenticides consists of blending technical material (active ingredient) with bait consisting principally of various grains. Certain cleaners and disinfectants are manufactured in Randolph, while others are purchased from other manufacturers and sold, or toll manufactured by third parties.

Neogen maintains a Lansing-based USDA-approved manufacturing plant devoted to the production of the biologic products EqStim and ImmunoRegulin. P. acnes seed cultures are added to media and then subjected to several stages of further processing resulting in a product that is filled and packaged within the facility. The Company’s BotVax B vaccine is also produced in the Lansing facility utilizing Type B botulism seed cultures and a traditional fermentation process. All completed biologic products are then shipped to Neogen’s Lexington facilities for inventory and distribution to customers.

Neogen offers agricultural genomics laboratory services and bioinformatics at its GeneSeek location in Lincoln, Nebraska. Through its laboratory services and bioinformatics (primarily in beef and dairy cattle, pigs, sheep, poultry, horses and dogs), GeneSeek empowers its customers to speed genetic improvement efforts, as well as identify economically important diseases. The Company purchased and renovated a building during fiscal 2014 to meet its current and future needs.

Products acquired in the November 2013 acquisition of Prima Tech continue to be manufactured in a facility in Kenansville, North Carolina. These include devices used for animal injections, topical applications and oral administration.

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Chem-Tech Ltd. manufactures insecticides and other pesticides at its facility in Pleasantville, Iowa.

Neogen purchases component parts and raw materials from more than 700 suppliers. Though many of these supplies are purchased from a single source in order to achieve the greatest volume discounts, the Company believes it has identified acceptable alternative suppliers for most of its key components and raw materials where it is economically feasible to do so. There can be no assurance that the Company would avoid a disruption of supply in the event a supplier discontinues shipment of product. Shipments of products are generally accomplished within a 48-hour turnaround time. As a result of this quick response time, Neogen’s backlog of unshipped orders at any given time has historically not been significant.

COMPETITION

Although competitors vary in individual markets, management knows of no competitor that is pursuing Neogen’s fundamental strategy of developing and marketing a broad line of products, ranging from disposable tests and dehydrated culture media to veterinary pharmaceuticals and veterinary instruments for a large number of food safety and animal safety concerns. For each of its individual products, the Company faces intense competition from companies ranging from small businesses to divisions of large international companies. Some of these organizations have substantially greater financial resources than the Company. Neogen competes primarily on the basis of ease of use, speed, accuracy, and other similar performance characteristics of its products. The breadth of the Company’s product line, the effectiveness of its sales and customer service organizations, and pricing are also components in management’s competitive plan.

Future competition may become even more intense, including the development of changing technologies, which could affect the marketability and profitability of Neogen’s products. The Company’s competitive position also will depend on management’s ability to develop proprietary products, attract and retain qualified scientific and other personnel, develop and implement production and marketing plans and obtain patent protection. Additionally, the Company must have adequate capital resources to execute its strategy.

FOOD SAFETY:

With a large professional sales organization offering a comprehensive catalog of food safety solutions, management believes the Company maintains a general competitive advantage over competitors offering only limited product lines. In most cases, Neogen sales and technical service personnel can offer unique insight into a customer’s numerous safety and quality challenges, and offer testing and other solutions to help the customer overcome those challenges.

Competition for pathogen detection products includes traditional methods and antibody and genetic-based platforms. Neogen’s product offerings compete across the entire spectrum of methods. Competition for natural toxins and allergen detection products include instrumentation and antibody-based tests. While for these and other food safety products the Company’s offerings will not always compete on all platforms in all markets, the products that are offered provide tests that can be well utilized by most customers to meet their testing needs.

Besides its extensive product offerings and robust distribution network, the Company focuses its competitive advantage in the areas of customer service, product performance and speed and ease of use of its products. Additionally, by aggressively maintaining itself as a low-cost producer, Neogen believes that it can be competitive with new market entrants that may choose a low pricing strategy in an attempt to gain market share.

ANIMAL SAFETY:

Neogen’s Animal Safety segment faces no one competitor across the products and markets it serves. In the racing industry market, the Company believes it holds a leading market share position. In the life sciences market, the Company competes against several other diagnostic and reagent companies with similar product offerings.

In the veterinary market, Neogen markets BotVax B, the only USDA approved vaccine for the prevention of botulism Type B in horses. The Company competes on other key products through differentiated product performance and superior customer and technical support. With some of its products, the Company provides solutions as a lower cost alternative and offers a private label option for its distributors.

Competition in the rodenticide market includes several companies of comparable size that offer products into similar market segments. The rodenticide retail market is not dominated by a single brand. While the technical materials used by competing companies are similar, Neogen uses manufacturing and bait formula techniques which the Company believes better attracts rodents to the product and thereby improves overall product performance.

Within the insecticide market, Chem-Tech products specifically focus on the area of insect control for food and animal safety applications. There are several competitors offering similar products, however, the Company has a proprietary formulation chemistry that optimizes the delivery and safe application of insecticides at the customer’s location. These products are currently only sold in the U.S. through a combination of direct sales and distributors.

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Several companies compete for sales in the cleaner and disinfectant product segment. Neogen’s products are sold through its distributor network around the world, primarily to assist in the cleaning and disinfecting of animal production facilities.

In addition to the Company’s extensive portfolio of Animal Safety products, Neogen also competes in the retail market by providing solutions to common retail problems, such as stock outs, wasted floor space and inconsistent brand identity. The Company offers planograms and reordering systems to maximize turns and profitability for its retail customers.

GeneSeek, the leading commercial agricultural genomics laboratory in the U.S., employs cutting-edge technology in the area of genomics. The result of this technology allows the acceleration of natural selection through selective breeding of traits such as disease resistance and meat quality. Competition comes mainly from service providers whose primary focus is the human and pharmaceutical industries, as well as several smaller companies offering genomics services. GeneSeek is not involved in cloning or the development of transgenic animals.

GOVERNMENT REGULATION

A significant portion of Neogen’s products and revenues are affected by the regulations of various domestic and foreign government agencies, including the U.S. Department of Agriculture, the Environmental Protection Agency, and the U.S. Food and Drug Administration. Changes in these regulations could affect revenues and/or costs of production and distribution.

Neogen’s development and manufacturing processes involve the use of certain hazardous materials, chemicals and compounds. Management believes that the Company’s safety procedures for handling and disposing of such commodities comply with the standards prescribed by local, state and federal regulations; however, changes in such regulations or rules could involve significant costs to the Company and could be materially adverse to its business.

The rodenticides, insecticides, cleaners, disinfectants and sanitizers manufactured and distributed by Neogen are subject to Environmental Protection Agency and various state regulations. In general, any international sale of the product must also comply with similar regulatory requirements in the country of destination. Each country has its own individual regulatory construct with specific requirements (e.g., label in the language of the importing country). To the best of the Company’s knowledge, Neogen products are in compliance with applicable regulations in the countries where such products are sold.

Dairy products used in National Conference on Interstate Milk Shipments (NCIMS) and other milk monitoring programs are regulated by the FDA. Before products requiring FDA approval can be sold in the U.S., extensive product performance data must be submitted in accordance with the FDA approved protocol administered by AOAC Research Institute (AOAC RI). Following approval of a product by the FDA, the product must also be approved by NCIMS, an oversight body that includes state, federal and industry representatives. The Company’s BetaStar U.S. dairy antibiotic residue testing product has been approved by the FDA, NCIMS, and AOAC RI. While some foreign countries accept AOAC RI approval as part of their regulatory approval processes, many countries have their own regulatory processes.

Many of the food safety diagnostic products to detect allergens and spoilage organisms do not require direct government approval. However, the Company has pursued AOAC approval for many of the products to enhance their marketability. Products for mycotoxin detection, which are used by federal inspectors, must be approved by the USDA. Neogen has obtained and retained the necessary approvals to conduct its current operations.

Neogen’s veterinary vaccine products and one pharmaceutical product require government approval to allow for lawful sales. The vaccine products are approved by United States Department of Agriculture, Center for Veterinary Biologics (USDA-CVB) and the pharmaceutical product is approved by the FDA. The products, and the facilities in which they are manufactured, are in a position of good standing with both agencies. The Company has had no warning letters based on any review or inspection, no recalls on any of these products, and knows of no reason why its freedom to manufacture and market such products in the future is in any danger.

Other animal safety and food safety products generally do not require additional registrations or approvals. However, Neogen’s regulatory staff routinely monitors amendments to current regulatory requirements to ensure compliance.

EMPLOYEES

As of May 31, 2015, the Company employed 1,062 full-time persons worldwide. None of the employees are covered by collective bargaining agreements. There have been no work stoppages or slowdowns due to labor-related problems, and management believes that its relationship with its employees is generally good. Employees having access to proprietary information have executed confidentiality agreements with the Company.

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An investment in Neogen Corporation’s common shares involves a high degree of risk. The risks described below are not the only ones that an investor faces. Additional risks that are not yet known to us or that we currently think are immaterial could also impair our business, financial condition or results of operations. If any of the following risks actually occurs, our business, financial condition or results of operations could be adversely affected.

Risks Relating to Our Business

Our business strategy is dependent on successfully identifying and integrating acquisitions as well as promoting internal growth.

Our business has grown significantly over the past several years as a result of both internal growth and acquisitions of existing businesses and their products. Identifying and pursuing acquisition opportunities, integrating these acquisitions into our business and managing their growth requires a significant amount of management’s time and skill. We cannot assure that we will be effective in identifying, integrating or managing future acquisition targets. Our failure to successfully integrate and manage a future acquisition may have a material adverse effect on our operating results and financial condition.

In addition, if we continue to experience growth in our business, such growth could place a significant strain on our management, customer service, operations, sales and administrative personnel, and other resources. To serve the needs of our existing and future customers we will be required to recruit, train, motivate and manage qualified employees. We have incurred and will continue to incur significant costs to retain qualified management, sales and marketing, engineering, production, manufacturing and administrative personnel, as well as expenses for marketing and promotional activities. Our ability to manage our planned growth depends upon our success in expanding our operating, management, information and financial systems, which might significantly increase our operating expenses.

We may not be able to effectively manage our future growth, and if we fail to do so, our business, financial condition and results of operations would be adversely affected.

We rely significantly on our information systems and telecommunications infrastructure to support our operations and a security breach of the Company’s information systems could damage the Company’s reputation and have an adverse effect on operations and results.

We rely on information systems and telecommunications infrastructure to integrate departments and functions, to enhance our ability to service customers, to improve our control environment and to manage our cost reduction initiatives. Any issues involving our critical business applications and infrastructure may adversely impact our ability to manage operations and the customers we serve. In addition, if the Company’s security and information systems are compromised, or employees fail to comply with the applicable laws and regulations and this information is obtained by unauthorized persons or used inappropriately, it could adversely affect the Company’s reputation, as well as results of operations, and could result in litigation, the imposition of penalties, or significant expenditures to remediate any damage to persons whose personal information has been compromised.

Disruption of our manufacturing and service operations could have an adverse effect on our financial condition and results of operations.

We manufacture our products at several manufacturing facilities located in Lansing, Michigan; Lexington, Kentucky; Randolph, Wisconsin; Kenansville, North Carolina; Pleasantville, Iowa; and Ayr, Scotland. We offer genomics services from a facility located in Lincoln, Nebraska. These facilities and our distribution system are subject to catastrophic loss due to fire, flood, terrorism or other natural or man-made disasters. If any of these facilities were to experience a catastrophic loss, it could disrupt our operations, delay production, shipments and revenue and result in large expenses to repair or replace the facility. If such a disruption were to occur, we could breach agreements, our reputation could be harmed, and our business and operating results could be adversely affected. Although we carry insurance for property damage and business interruption, we do not carry insurance or financial reserves for interruptions or potential losses arising from terrorism. Economic conditions and uncertainties in global markets may adversely affect the cost and other terms upon which we are able to obtain third party insurance. If our third party insurance coverage is adversely affected, or to the extent we have elected to self-insure, we may be at greater risk that our operations will be harmed by a catastrophic loss.

Our dependence on suppliers could limit our ability to sell certain products or negatively affect our operating results.

We rely on third party suppliers to provide components in our products, manufacture products that we do not manufacture ourselves and perform services that we do not provide ourselves, including package delivery services. Because these suppliers are independent third parties with their own financial objectives, actions taken by them could have a negative effect on our results of operations. The

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risks of relying on suppliers include our inability to enter into contracts with third party suppliers on reasonable terms, inconsistent or inadequate quality control, relocation of supplier facilities, supplier work stoppages and suppliers’ failure to comply with their contractual obligations. In addition, we currently purchase some raw materials and products from sole or single sources. Some of the products that we purchase from these sources are proprietary and, therefore, cannot be readily or easily replaced by alternative sources. Problems with suppliers could negatively impact our ability to supply the market, substantially decrease sales, lead to higher costs or damage our reputation with our customers.

We rely heavily on third party package delivery services, and a significant disruption in these services or significant increases in prices may disrupt our ability to ship products, increase our costs and lower our profitability.

We ship a significant portion of our products to our customers through independent package delivery companies, such as Federal Express, UPS and DHL. We also ship our products through other carriers, including national and regional trucking firms, overnight carrier services and the U.S. Postal Service. If one or more of these third party package delivery providers were to experience a major work stoppage, preventing our products from being delivered in a timely fashion or causing us to incur additional shipping costs we could not pass on to our customers, our costs could increase and our relationships with certain of our customers could be adversely affected. In addition, if one or more of our third party package delivery providers were to increase prices, and we were not able to find comparable alternatives or make adjustments in our delivery network, our profitability could be adversely affected.

Our business sells many products through distributors, which presents risks that could negatively affect our operating results.

We sell many of our products outside of the U.S. through distributors. As a result, we are dependent on these distributors to sell our products and assist us in promoting and creating a demand for our products outside the U.S. Our distributors sometimes offer products from several different companies, and certain of our distributors may carry our competitors’ products and promote our competitors’ products over our own products. We have limited ability, if any, to cause our distributors to devote adequate resources to promoting, marketing, selling and supporting our products. We cannot assure that we will be successful in maintaining and strengthening our relationships with our distributors or establishing relationships with new distributors who have the ability to market, sell and support our products effectively. We may rely on one or more key distributors for a product or region, and the loss of these distributors could reduce our revenue. Distributors may face financial difficulties, including bankruptcy, which could harm our collection of accounts receivable and financial results. In addition, violations of anti-corruption laws or similar laws by our distributors could have a material impact on our business, and any termination of a distributor relationship may result in increased competition in the applicable jurisdiction. Failing to manage the risks associated with our use of distributors outside of the U.S. may reduce sales, increase expenses and weaken our competitive position, which could have a negative effect on our operating results.

The development of new products entails substantial risk of failure.

We are continually developing new products for which we believe there should be significant market demand. We cannot assure that we will successfully develop commercially viable products, that the products will be developed on a timely basis to meet market demand or that the relevant market will be properly identified. If we expend substantial resources in developing an unsuccessful product, operating results could be adversely affected.

Our international operations are subject to different product standards as well as other operational risks.

In fiscal 2015, sales to customers outside of the United States accounted for 36.7% of the Company’s total revenue. We expect that our international business will continue to account for a significant portion of our total revenue. Foreign regulatory bodies may establish product standards different from those in the U.S. and with which the Company’s current products do not comply. Our potential inability to design products that comply with foreign standards could have a material adverse effect on our future growth. Other risks related to our sales to customers outside of the United States include possible disruptions in transportation, difficulties in building and managing foreign distribution, fluctuation in the value of foreign currencies, changes in import duties and quotas and unexpected economic and political changes in foreign markets. These factors could adversely affect international sales and our overall financial performance.

The markets for our products are extremely competitive, and our competitors may be able to utilize existing resource advantages to our detriment.

The markets in which the Company competes are subject to rapid and substantial changes in technology and are characterized by extensive research and development and intense competition. Many of our competitors and potential competitors have greater financial, technical, manufacturing, marketing, research and development and management resources than we do. These competitors might be able to use their resources, reputations and ability to leverage existing customer relationships to give them a competitive advantage over us. They might also succeed in developing products that are more reliable and effective than our products, make additional measurements, are less costly than our products or provide alternatives to our products.

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We are dependent on the agricultural marketplace, which is affected by factors beyond our control.

Our primary customers are in the agricultural and food production industries. Economic conditions affecting agricultural industries are cyclical and are dependent upon many factors outside our control, including weather conditions or changes in consumption patterns or commodity prices. Any of these factors in the agricultural marketplace could affect our sales and overall financial performance.

Our quarterly operating results are subject to significant fluctuations.

We have experienced, and may experience in the future, significant fluctuations in our quarterly operating results. The mix of products sold and the acceptance of new products, in addition to other factors, could contribute to this quarterly variability. We operate with relatively little backlog and have few long-term customer contracts. Substantially all of our product revenue in each quarter results from orders received in that quarter. In addition, our expense levels are based, in part, on expectation of future revenue levels. A shortfall in expected revenue could, therefore, result in a disproportionate decrease in our net income.

Our success is highly dependent on our ability to obtain protection for the intellectual property utilized in our products.

Our success and ability to compete depends in part upon our ability to obtain protection in the United States and other countries for our products by establishing and maintaining intellectual property rights relating to or incorporated into our technology and products. Patent applications filed by the Company may not result in the issuance of patents or, if issued, may not be issued in a form that will be commercially advantageous to us. Even if issued, patents may be challenged, narrowed, invalidated or circumvented, which could limit our ability to stop competitors from marketing similar products or limit the length of time we may have patent protection for our products. We also cannot assure that our nondisclosure agreements, together with trade secrets and other common law rights, will provide meaningful protection for the Company’s trade secrets and other proprietary information. Moreover, the laws of some foreign jurisdictions may not protect intellectual property rights to the same extent as in the United States, and many companies have encountered significant difficulties in protecting and defending such rights in foreign jurisdictions. If we encounter such difficulties or we are otherwise precluded from effectively protecting our intellectual property rights domestically or in foreign jurisdictions, we may incur substantial costs and our business, including our business prospects, could be substantially harmed.

From time to time, the Company has received notices alleging that the Company’s products infringe third party proprietary rights. Whether the manufacture, sale or use of current products, or whether any products under development would, upon commercialization, infringe any patent claim will not be known with certainty unless and until a court interprets the patent claim in the context of litigation. When an infringement allegation is made against us, we may seek to invalidate the asserted patent claim and/or to allege non-infringement of the asserted patent claim. In order for us to invalidate a U.S. patent claim, we would need to rebut the presumption of validity afforded to issued patents in the United States with clear and convincing evidence of invalidity, which is a high burden of proof. The outcome of infringement litigation is subject to substantial uncertainties, and also the testimony of experts as to technical facts upon which experts may reasonably disagree. Our defense of an infringement litigation lawsuit could result in significant expense. Regardless of the outcome, infringement litigation could significantly disrupt our marketing, development and commercialization efforts, divert management’s attention and consume our financial resources. In the event that we are found to infringe any valid claim in a patent held by a third party, we may, among other things, be required to:

Any development or acquisition of non-infringing products or technology or licenses could require the expenditure of substantial time and other resources and could have a material adverse effect on our business and financial results. If we are required to, but cannot, obtain a license to valid patent rights held by a third party, we would likely be prevented from commercializing the relevant product, or from further manufacture, sale or use of the relevant product.

We are subject to substantial governmental regulation.

A portion of our products and facilities are regulated by various domestic and foreign government agencies, including the U.S. Department of Agriculture, the U.S. Food and Drug Administration and the Environmental Protection Agency. Although less than 10% of our revenue is currently derived from products requiring government approval prior to sale, a significant portion of our revenue is derived from products used to monitor and detect the presence of residues that are regulated by various government agencies. Furthermore, the Company’s growth may be adversely affected by the implementation of new regulations. The Company is not aware of any failures to comply with applicable laws and regulations although there can be no assurance that the costs of compliance or failure to comply with any obligations would not impact the business negatively.

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We are dependent on key employees.

Our success depends, in large part, on members of our management team. Our loss of any of these, or other, key employees could have a material adverse effect on the Company. We maintain certain incentive plans for key employees, and most of these employees have been with the Company in excess of five years. However, we have not executed long-term employment agreements with any of these employees and do not expect to do so in the foreseeable future. Our success also depends, significantly, on our ability to continue to attract such personnel. We cannot assure that we will be able to retain our existing personnel or attract additional qualified persons when required and on acceptable terms.

Our business may be subject to product liability claims.

The manufacturing and distribution of the Company’s products involve an inherent risk of product liability claims being asserted against us. Regardless of whether we are ultimately determined to be liable or our products are determined to be defective, we might incur significant legal expenses not covered by insurance. In addition, product liability litigation could damage our reputation and impair our ability to market our products, regardless of the outcome. Litigation could also impair our ability to retain product liability insurance or make our insurance more expensive. Although the Company currently maintains liability insurance, we cannot assure that we will be able to continue to obtain such insurance on acceptable terms, or that such insurance will provide adequate coverage against all potential claims. If we are subject to an uninsured or inadequately insured product liability claim, our business, financial condition and results of operations could be adversely affected.

Market prices for securities of technology companies are highly volatile.

The market prices for securities of technology companies have been volatile in the past and could continue to be volatile in the future. Fluctuations in our financial performance from period to period could have a significant impact on the market price of our common shares.

Operating results could be negatively impacted by economic, political or other developments in countries in which we do business.

Future operating results could be negatively impacted by unstable economic, political and social conditions, including but not limited to fluctuations in foreign currency exchange rates, political instability, or changes in the interpretation or creation of laws and regulations or administrative actions in each of the countries where the Company conducts business, including the United States. Additionally, the Company operates in multiple income tax jurisdictions and must determine the appropriate allocation of income to each of these jurisdictions based on current interpretations of complex income tax regulations. Income tax audits associated with the allocation of income and other complex issues may result in significant income tax adjustments that could negatively impact the Company’s future operating results.

Neogen owns fifteen separate buildings located throughout Lansing, Michigan, totaling 275,500 square feet. These buildings are used for corporate offices, including accounting and human resources, manufacturing and warehousing of food safety products, food safety sales and marketing, and research and development. Two of the buildings are recent purchases that are currently being remodeled to support future expansion.

Animal Safety sales and marketing, diagnostic test kit manufacturing, warehousing and distribution of certain Animal Safety products takes place from an 82,000 square foot Company owned facility at 944 Nandino Drive in Lexington, Kentucky. In addition, the Company owns a 128,000 square foot office, manufacturing and warehouse facility located at 1847 Mercer Road in Lexington, utilized for its Animal Safety operations. Animal Safety currently occupies approximately 118,000 square foot of the facility; the remainder is occupied by a tenant who will be vacating the building by the end of the first quarter of fiscal 2016.

The Company rents 26,000 square feet at a manufacturing facility in Kenansville, North Carolina at a monthly cost of $4,240. The lease automatically renews annually but can be terminated with six months’ notice. The Company manufactures veterinary devices and warehouses product at this location.

The Company manufactured Uniprim, a veterinary antibiotic, in rented space in Fort Collins, Colorado, since the product was acquired in October 2013. During the fall of 2014, manufacturing operations were moved to the Company’s FDA-registered facility in Lexington and the Fort Collins lease was terminated in December 2014.

Food Safety researchers occupy 7,000 square feet of space in St. Joseph, Michigan. Originally occupied by International Diagnostics Systems Inc., this space now houses research and development labs at a monthly cost of $6,500. The lease extends through May 2016.

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Neogen Europe Ltd. operations take place in a 38,000 square foot facility in Ayr, Scotland, which the Company purchased in 2010. The facility is adjacent to the campus of the Scottish Agricultural College. In fiscal 2013, the Company purchased an additional 36,000 square foot facility that is adjacent to the existing operations.

Rodenticide and disinfectant manufacturing and warehousing is conducted in 113,000 square feet of Company owned buildings at 110 Hopkins Drive in Randolph, Wisconsin.

The Company’s GeneSeek subsidiary owns 26,000 square feet of laboratory and office space in Lincoln, Nebraska. The Company purchased and renovated the space during fiscal 2014 to meet its current and future needs.

The Company’s Chem-Tech Ltd. subsidiary manufactures and warehouses insecticides and other pesticides in 59,000 square feet of rented space in Pleasantville, Iowa. The monthly rent is $17,000 and the lease runs through December 2015.

Neogen do Brasil rents 11,000 square feet of office and warehouse space near Sao Paulo, Brazil at a cost of approximately $2,500 per month. The lease extends to May 2021.

Neogen Latinoamerica rents 27,000 square feet of office and warehouse space in Mexico City, Mexico for approximately $11,000 per month. The lease extends to November 1, 2018.

Neogen China rents 700 square feet of office and warehouse space in Shanghai at a cost of $2,200 per month. The lease extends to April 2016. Neogen China also rents 350 square feet of office and lab space in Beijing at a cost of $1,200 per month. The lease extends to May 2016.

Neogen occupied 7,000 square feet in Ann Arbor, Michigan beginning in October 2014, effective with the BioLumix acquisition. The rent for this office and manufacturing space was $5,700 per month. Manufacturing and sales functions were moved to Lansing in May and this lease was terminated effective June 15, 2015.

These properties are in good condition, well-maintained, and generally suitable and adequate to carry on the Company’s business.

Neogen is subject to certain legal proceedings in the normal course of business that, in the opinion of management, should not have a material effect on its future results of operations or financial position.

No matters were submitted to a vote of security holders during the fourth quarter of the fiscal year covered by this report.

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PART II

MARKET INFORMATION:

Neogen Common Stock is traded on the NASDAQ Global Select Market under the symbol “NEOG”. The following table sets forth, for the fiscal periods indicated, the high and low sales prices for the Common Stock, as adjusted for the October 30, 2013 3-for-2 stock split affected in the form of a dividend, as reported on the NASDAQ Stock Market.

HOLDERS:

As of July 30, 2015, there were approximately 298 stockholders of record of Common Stock that management believes represents a total of approximately 11,000 beneficial holders.

DIVIDENDS:

Neogen has never paid any cash dividends on its Common Stock and does not anticipate paying any cash dividends in the foreseeable future.

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The graph below matches Neogen Corporation’s cumulative 5-Year total shareholder return on common stock with the cumulative total returns of the NASDAQ Composite index and the NASDAQ Medical Equipment index. The graph tracks the performance of a $100 investment in our common stock and in each index (with the reinvestment of all dividends) from May 31, 2010 to May 31, 2015.

The stock price performance included in this graph is not necessarily indicative of future stock price performance.

The stock price performance included in this graph is not necessarily indicative of future stock price performance.

Issuer Purchases of Equity Securities

In December 2008, the Board of Directors authorized management to repurchase up to a total of 1,125,000 shares of its common stock in open market transactions. The Company made no purchases of common stock in fiscal 2015.

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The following tables set forth selected consolidated financial data of Neogen for each of the five fiscal years ended May 31, 2015. The selected consolidated financial data presented below have been derived from the Company’s consolidated financial statements. This financial data should be read in conjunction with the consolidated financial statements, related notes and other financial information appearing elsewhere in this Form 10-K.

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The information in this Management’s Discussion and Analysis of Financial Condition and Results of Operations contains both historical financial information and forward-looking statements. Neogen Corporation management does not provide forecasts of future financial performance. While management is optimistic about the Company’s long-term prospects, historical financial information may not be indicative of future financial results.

Any statements contained herein that are not statements of historical fact may be deemed to be forward-looking statements. Without limiting the foregoing, the words “believes,” “anticipates,” “plans,” “expects,” “seeks,” “estimates,” and similar expressions are intended to identify forward-looking statements. There are a number of important factors, including competition, recruitment and dependence on key employees, impact of weather on agriculture and food production, identification and integration of acquisitions, research and development risks, patent and trade secret protection, government regulation and other risks detailed from time to time in the Company’s reports on file at the Securities and Exchange Commission, that could cause Neogen Corporation’s results to differ materially from those indicated by such forward-looking statements, including those detailed in this “Management’s Discussion and Analysis of Financial Condition and Results of Operations.”

In addition, any forward-looking statements represent management’s views only as of the day this Report on Form 10-K was first filed with the Securities and Exchange Commission and should not be relied upon as representing management’s views as of any subsequent date. While management may elect to update forward-looking statements at some point in the future, it specifically disclaims any obligation to do so, even if its views change.

CRITICAL ACCOUNTING POLICIES AND ESTIMATES

The discussion and analysis of the Company’s financial condition and results of operations are based on the consolidated financial statements that have been prepared in accordance with accounting principles generally accepted in the United States. The preparation of these financial statements requires that management 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, management evaluates the estimates, including but not limited to, those related to receivable allowances, inventories and intangible assets. These estimates are based 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 under different assumptions or conditions.

The following critical accounting policies reflect management’s more significant judgments and estimates used in the preparation of the consolidated financial statements.

Revenue Recognition

Revenue from products and services is recognized when the product has been shipped or the service performed, the sales price is fixed and determinable, and collection of any receivable is probable. To the extent that customer payment has been received before all recognition criteria are met, these revenues are initially deferred and later recognized in the period that all recognition criteria have been met. Customer credits for sales returns, pricing and other disputes, and other related matters (including volume rebates offered to certain distributors as marketing support) represent approximately 3% of reported net revenue for each period presented.

Accounts Receivable Allowance

Management attempts to minimize credit risk by reviewing customers’ credit history before extending credit and by monitoring credit exposure on a regular basis. An allowance for doubtful accounts on accounts receivable is established based upon factors surrounding the credit risk of specific customers, historical trends and other information. Collateral or other security is generally not required for accounts receivable. Once a receivable balance has been determined to be uncollectible, that amount is written off to the allowance for doubtful accounts.

Inventory

A reserve for obsolete and slow moving inventory has been established and is reviewed at least quarterly based on an analysis of the inventory taking into account the current condition of the asset as well as other known facts and future plans. The amount of reserve required to record inventory at lower of cost or market may be adjusted as conditions change. Product obsolescence may be caused by shelf-life expiration, discontinuance of a product line, replacement products in the marketplace or other competitive situations.

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Goodwill and Other Intangible Assets

Goodwill represents the excess of purchase price over fair value of tangible net assets of acquired businesses after amounts are allocated to other identifiable intangible assets. Other intangible assets include customer relationships, trademarks, licenses, trade names, covenants not-to-compete and patents. Amortizable intangible assets are amortized on either an accelerated or a straight-line basis over 5 to 25 years. The Company reviews the carrying amounts of goodwill and other non-amortizable intangible assets annually, or when indications of impairment exist, to determine if such assets may be impaired. If the Company’s qualitative assessment concludes that it is more likely than not that an impairment exists, or the Company skips the qualitative assessment, then the Company performs a quantitative assessment. If the carrying amounts of these assets are deemed to be less than fair value based upon a discounted cash flow analysis and comparison to comparable EBITDA multiples of peer companies, such assets are reduced to their estimated fair value and a charge is made to operations.

Long-lived Assets

Management reviews the carrying values of its long-lived assets to be held and used, including definite-lived intangible assets, for possible impairment whenever events or changes in business conditions warrant such a review. The carrying value of a long-lived asset is considered impaired when the anticipated separately identifiable undiscounted cash flows over the remaining useful life of the asset indicate that the carrying amount of the asset may not be recoverable. In such an event, fair value is determined using discounted cash flows and if lower than the carrying value, impairment is recognized through a charge to operations.

Equity Compensation Plans

Share options awarded to employees and shares of stock awarded to employees under certain stock purchase plans are recognized as compensation expense based on their fair value at grant date. The fair market value of options granted under the Company’s stock option plans was estimated on the date of grant using the Black-Scholes option-pricing model using assumptions for inputs such as interest rates, expected dividends, volatility measures and specific employee exercise behavior patterns based on statistical data. Some of the inputs used are not market-observable and have to be estimated or derived from available data. Use of different estimates would produce different option values, which in turn would result in higher or lower compensation expense recognized.

To value options, several recognized valuation models exist. None of these models can be singled out as being the best or most correct one. The model applied by the Company is able to handle some of the specific features included in the options granted, which is the reason for its use. If a different model were used, the option values could differ despite using the same inputs. Accordingly, using different assumptions coupled with using a different valuation model could have a significant impact on the fair value of employee stock options. Fair value could be either higher or lower than the ones produced by the model applied and the inputs used. Further information on the Company’s equity compensation plans, including inputs used to determine fair value of options, is disclosed in Notes 1 and 5 to the consolidated financial statements.

Income Taxes

The Company accounts for income taxes using the asset and liability method. Under this method, deferred income tax assets and liabilities are determined based on differences between the financial reporting and tax bases of assets and liabilities and for tax credit carry forwards and are measured using the enacted tax rates in effect for the years in which the differences are expected to reverse. Deferred income tax expense represents the change in net deferred income tax assets and liabilities during the year.

The Company’s foreign subsidiaries are comprised of Neogen Europe (wholly-owned subsidiary), Neogen Latinoamerica (90% owned subsidiary), Neogen do Brasil (90% owned subsidiary) and Neogen China (wholly-owned subsidiary). Based on historical experience, as well as the Company’s future plans, earnings from these subsidiaries are expected to be re-invested indefinitely for future expansion and working capital needs. Furthermore, the Company’s domestic operations have historically produced sufficient operating cash flow to mitigate the need to remit foreign earnings. On an annual basis, the Company evaluates the current business environment and whether any new events or other external changes might require a re-evaluation of the decision to indefinitely re-invest foreign earnings. At May 31, 2015, unremitted earnings of the foreign subsidiaries were $24,423,000.

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RESULTS OF OPERATIONS

Executive Overview

Neogen Corporation had total revenue of $283.1 million in fiscal 2015, a 14% increase compared to fiscal 2014 revenues of $247.4 million. Net income attributable to Neogen increased 19% to $33.5 million, or $0.90 per fully diluted share, compared to $28.2 million, or $0.76 per fully diluted share, in fiscal 2014. Cash flow from operations for fiscal 2015 was $43.8 million compared to $21.7 million in fiscal 2014.

The Company’s Food Safety segment revenues were $131.5 million in fiscal 2015, a 13% increase compared to the prior fiscal year. Animal Safety segment revenues increased $20.5 million, or 16%, to $151.6 million in fiscal 2015 as compared to fiscal 2014. Revenue increases were aided by recent acquisitions the Company completed in fiscal 2014 and fiscal 2015, which added revenue totaling $17.1 million during the fiscal 2015 year. Prior fiscal year acquisitions include SyrVet in July 2013, Prima Tech in November 2013, and Chem-Tech in January 2014. In fiscal 2015, the Company acquired BioLumix (October 2014), a manufacturer and marketer of products to detect spoilage organisms in dietary supplements, nutraceuticals and cosmetics. These products are complementary to the Company’s existing Soleris product line. Excluding revenues from these acquisitions, organic sales growth for fiscal 2015 was 10% for the Food Safety segment and 6% for the Animal Safety segment, each compared to the prior fiscal year.

International sales were $103.9 million in fiscal 2015, an increase of 8% compared to the prior fiscal year. Sales growth in the Company’s international operations was tempered due to the strength of the U.S. dollar, which rose during the year against all of the currencies in which the Company conducts business. Neogen Europe had an increase of 9% for fiscal 2015 (11% in local currency), compared to the prior year, while Neogen do Brasil revenues declined 3% for the year (but increased 12% in local currency). Neogen China increased revenues significantly in fiscal 2015, albeit off of a small base. Neogen Latinoamerica recorded a revenue increase of 151% for the year (175% in local currency), benefitting from the transfer of certain Animal Safety customers and revenues in Mexico and Central America from the Company’s sales personnel based in the U.S., in an effort to better serve customers located in those geographic areas. After adjusting for the impact of the revenue transfer from Animal Safety to Food Safety at Neogen Latinoamerica, overall organic sales growth for fiscal 2015 was 4% for the Food Safety segment and 10% for the Animal Safety segment.

Expressed as a percentage of total sales, international sales in fiscal 2015 were 36.7% compared to 38.8% in fiscal 2014. This decline as a percentage of sales was due in part to the strength of the U.S. dollar, which reduced comparative revenues in the local currency when converted to dollars; international sales were negatively impacted by $3.6 million for fiscal 2015. The Chem-Tech acquisition, which was entirely domestic sales, and lower volumes of drug residue test kits into Eastern Europe due to product launch delays, also reduced the overall proportion of international revenues.

Service revenue was $35.1 million in fiscal 2015, an increase of 27% compared to prior year revenues of $27.7 million. The increase for the year was primarily due to increased sales of new proprietary genomic offerings developed for the beef and dairy cattle and pork industries for both domestic and international customers, with particular strength in Europe. GeneSeek also benefitted from new ongoing business with a large customer in the poultry industry and one-time research work in the canine industry.

Gross margins were 49.4% in fiscal 2015, versus 49.6% in fiscal 2014. The slight decrease was the result of lower margins on certain international sales in the Food Safety segment resulting from adverse currency impacts caused by the strong U.S. dollar and product mix changes within Food Safety, offset partially by improved product mix and efficiency gains in the Animal Safety segment. Operating expenses rose 9% in fiscal 2015 compared to 2014; expressed as a percentage of revenues operating expenses decreased from 32.0% in fiscal 2014 to 30.6% in fiscal 2015, as the Company controlled its expense growth and continued to achieve efficiencies and savings with the successful integration of recent acquisitions into its operations.

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REVENUES

Year Ended May 31, 2015 Compared to Year Ended May 31, 2014

The Company’s Food Safety segment revenues were $131.5 million in fiscal 2015, a 13% increase compared to the prior year. Sales of Natural Toxins, Allergens and Drug Residues were flat in fiscal 2015 as compared to the prior year. Natural toxin sales increased 5%, with strong sales of DON test kits, up 28% due to outbreaks of this toxin in crops in Eastern Europe, Canada and the U.S. This increase was offset by a 15% decline in aflatoxin test kits due to a difficult comparison to the prior year caused by high demand from aflatoxin outbreaks in Eastern Europe, and relatively clean crops in the current fiscal year relative to that toxin.

Revenues for the Company’s test kits to detect allergens such as milk, gluten, soy, peanut, and egg, among others, in processed foods rose 18%, the result of higher demand resulting from increased recalls due to inadvertent allergenic contamination and higher consumer awareness of the risks of ingesting foods with allergenic components. Included within this category and partially offsetting the gains from allergen products were decreased sales of meat speciation test kits, which declined 40% in fiscal 2015, due to lower levels of testing during the year and competitor entry into the market. Sales of drug residue test kits were down 16% this year, primarily due to currency conversion and lower test kit volumes to customers in Eastern Europe due to delays in the launch of a new product in that region.

Bacterial and General Sanitation revenues increased 20% in fiscal 2015, aided by $4.0 million in revenues from the October 1, 2014 BioLumix acquisition. Excluding BioLumix sales, the increase was 4% over the prior year. The Soleris consumable product line, which consists primarily of reagent vials used to detect spoilage organisms such as yeast and molds in foods, increased 10%, while sales of the recently-launched next generation AccuPoint environmental reader increased 35%. Ampoule media and filter sales increased 14% compared to the prior fiscal year; the Company continues to gain new customers and market share, primarily in the beverage industry. Partially offsetting these gains was a 43% decline in Soleris equipment sales due to difficult comparisons caused by prior year international placements, which did not repeat in the current fiscal year.

Dehydrated Culture Media and Other sales increased 32% in the current fiscal year. Within this product category, Acumedia sales increased 5% in fiscal 2015. While sales of Acumedia products to food safety customers increased 10%, this was offset by flat sales to the traditional media market due to lower demand and continuing credit issues at some significant customers. Sales in this category were led by genomics revenues to European customers (included as Other revenues), which increased 57% due to market share gains for services and the sale of new proprietary product offerings. Also included in this category were sales of Animal Safety products to customers in Mexico and Central America, transferred to the Company’s Neogen Latinoamerica subsidiary which reports in through the Food Safety segment, to better serve customers in those locations.

The Company’s Animal Safety segment revenues were $151.6 million in fiscal 2015, a 16% increase over fiscal 2014. Life Sciences sales increased 16% in fiscal 2015 compared to the prior year, led by forensic kit sales to commercial labs to meet new testing requirements in Brazil for commercial drivers. For the year, revenues of Veterinary Instruments and Disposables increased 21%. This product category benefitted from revenues from the SyrVet and Prima Tech acquisitions from fiscal 2014; these product lines were almost entirely veterinary instruments. Excluding these revenues, organic growth in this category was 8% for fiscal 2015, led by sales of detectable needles, which continued to be a strong product line with growth of 29% in fiscal 2015. Partially offsetting some of this growth was the transfer of customers and revenue in Mexico and Central America to Neogen Latinoamerica, in order to more directly serve those customers.

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Sales of Animal Care and Other products were relatively flat in fiscal 2015; on an organic basis, these sales were down 6%, partially due to the transfer of some customers to Neogen Latinoamerica. Within this category in fiscal 2014, the Company recorded strong sales of a wound care product caused by a supply disruption in the market. This product was available for sale from all competitors in fiscal 2015, and revenues for this product declined. Additionally, sales of a distributed antibiotic declined due to supplier discontinuance of the product. Small animal supplements rose by $1.7 million in fiscal 2015, due to strong sales of the Company’s thyroid replacement offering for the canine market.

Rodenticides, Insecticides and Disinfectants sales increased 25% in fiscal 2015, largely the result of revenues gained from the Chem-Tech insecticide business acquisition in January 2014. Excluding the contribution from this acquisition, the organic increase in this category was 4%. Rodenticide sales increased 21%, primarily due to rodent infestations in the northwestern US and the capture of new business. Partially offsetting this growth was a 12% decrease in sales of cleaners and disinfectants, due to unusually high sales in the prior year caused by the porcine virus outbreak, primarily in international markets.

DNA Testing revenues, excluding sales through Neogen Europe, Neogen do Brasil and Neogen China, which are reported elsewhere, increased 21% in fiscal 2015 as compared to the prior year. Continuing improvements to a number of proprietary service offerings, primarily targeted at dairy and beef cattle markets, helped the Company increase sales to existing customers and gain market share. Additionally, there were strong sales to a new poultry customer in the current fiscal year.

Year Ended May 31, 2014 Compared to Year Ended May 31, 2013

The Company’s Food Safety segment revenues were $116.3 million in fiscal 2014, up 10% compared to fiscal 2013, with increases in each major product category. Sales of Natural Toxins, Allergens and Drug Residues increased 5% in fiscal 2014 compared to the prior year. Allergen sales, including meat speciation kits, increased 18%, as food product recalls caused by mislabeled products containing allergenic components helped drive increased testing. Sales of test kits in the Drug Residue product line, which are used to detect the presence of antibiotics in dairy milk, rose by 8% compared to the prior year, driven by increases in Europe and Brazil. Sales of Natural Toxins test kits declined 3% as strong sales of test kits, readers and accessories in the prior year resulting from significant aflatoxin and DON outbreaks in both the U.S. and Europe did not repeat in fiscal 2014, as crops in the U.S. were relatively clean.

Bacterial and General Sanitation revenues increased 13% in the current fiscal year compared to the prior year. Within this category, ampoule media and filter sales increased 32% over the prior year as the Company increased market share in this product line particularly in the beverage industry. The Soleris product line, which detects spoilage organisms such as yeast and mold, increased 17%, primarily due to gains in Europe, Mexico and the domestic beverage market, while the AccuPoint line, designed to measure environmental cleanliness, increased 18%, both compared to the prior year, due to focused marketing programs. Offsetting these gains, Pathogen sales were down 4% in fiscal 2014 compared to fiscal 2013, due primarily to lower ANSR equipment sales.

Dehydrated Culture Media and Other revenues increased 16% over the prior year. Genomics service revenues and life sciences products sold through Neogen Europe to European customers led the growth in this category. Sales of dehydrated culture media to Food Safety customers increased by 20% compared to the prior year, led by strong performance in the U.S. commercial labs market as the Company secured new business at the corporate level with several large labs. However, sales of Acumedia products to international distributors and domestic industrial customers only increased 2%, with both sales groups having large revenue increases in the prior year.

The Company’s Animal Safety segment revenues were $131.1 million for the year ended May 31, 2014, an increase of $29.7 million, or 29%, compared to the same period in the prior year. The segment benefitted from three acquisitions the Company completed during fiscal 2014; these acquisitions and the two acquisitions completed in fiscal 2013 contributed $23.7 million in revenues in fiscal 2014. Organic growth for the segment was 6% in fiscal 2014.

Life Sciences product revenue declined by 3% in fiscal 2014 compared to fiscal 2013, primarily due to continuing weakness in racing kits revenues, the result of fewer racetracks in the U.S., and consolidation of state testing labs. Additionally, approximately $700,000 in substrate business was transferred to Neogen Europe in fiscal 2014, which reports through the Food Safety segment, to better support the customer base in Europe with the Company’s sales and support staff located there. Offsetting these declines was a 21% increase in forensic kit sales, the result of new business and increased volume from existing customers.

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Veterinary Instruments and Disposables revenues were $28.4 million in fiscal 2014, an increase of 70% compared to fiscal 2013. This line benefitted from the acquisitions of SyrVet in July 2013, and Prima Tech in November 2013; both of these businesses were focused on veterinary instruments. Growth in this line excluding acquisitions was 4%. The Company’s patented line of detectable needles continued its consistent growth history with an organic increase of 11%. Sales of shoulder gloves increased 17% organically, as the SyrVet acquisition helped the Company to gain market share with a more robust product line. Sales of disposable syringes were down due to order timing from a large international customer. Also, specialty needle sales were down 29%, due to a customer’s change in protocol which led to lower volumes of needle use.

Growth in Animal Care and Other products was 20% in fiscal 2014; organic growth was 4%, the remainder from acquisitions, primarily animal marking products from Prima Tech, hoof and leg care items from SyrVet and veterinary antibiotics from Macleod. Within this product line, sales of joint supplements for horses and dogs increased 94% due to market supply disruptions, while wound dressing revenues rose 28% as the Company increased private label sales and gained market share. Vaccine sales for equine botulism Type B increased 10%, reversing two years of declining sales as the equine market rebounded in fiscal 2014. These increases offset a 14% decline in sales of the Company’s canine thyroid replacement products; the decline was the result of a difficult comparative year, as fiscal 2013 sales were extraordinarily high due to competitor shutdowns. While the Company retained a portion of its increased market share from fiscal 2013, all competitors of this product line were operating for the entire year in fiscal 2014.

Sales of Rodenticides, Insecticides and Disinfectants, the Company’s biosecurity product offerings, rose 35% for the year. The Company’s purchase of Chem-Tech, a manufacturer and marketer of insecticides in January 2014 provided $7.2 million of the $9.6 million increase. Organic growth was 9% in this product line, with particular strength in the Company’s cleaners and disinfectants, up 22% for the year. These increases resulted from a number of disease outbreaks during the year, such as avian influenza and porcine virus, which raised awareness of the necessity of cleaning and disinfecting animal facilities. Offsetting these increases was a 4% decline in rodenticides, primarily due to adverse weather conditions in the sugar cane industry in Puerto Rico, one of the Company’s key markets. Additionally, the Company’s evaluation of economic conditions and risks in countries such as Venezuela resulted in lower credit limits for some customers in those countries, with lower resultant sales.

DNA Testing revenues, excluding sales through Neogen Europe and Neogen do Brasil, increased 14% in fiscal 2014 compared to fiscal 2013, due primarily to continued strength in products introduced in the latter half of fiscal 2013, and new products for the detection of developmental defects in cattle, introduced in fiscal 2014. The customizable nature of the new proprietary offerings allowed the Company to expand market share with beef breed associations. Additionally, revenues for canine genotyping increased $660,000 in fiscal 2014, primarily due to the Company’s relationship with a number of canine associations.

COST OF REVENUES

Cost of revenues increased 15% in fiscal 2015 and 27% in fiscal 2014 in comparison with the prior years. This compares with revenue increases of 14% and 19%, respectively. Expressed as a percentage of revenues, cost of revenues was 51%, 50% and 47% in fiscal years 2015, 2014 and 2013, respectively. For fiscal 2015, the strength of the U.S. dollar, which adversely impacted top line revenue with no corresponding decline in product cost, had the largest impact on the slight decline in gross margins. For fiscal year 2014, the increase in cost of revenues, expressed as a percentage of sales, and the corresponding decline in gross margin percentage was due to the overall shift in revenues towards Animal Safety products and product mix shifts within each segment.

Food Safety gross margins were 60%, 63% and 64% in fiscal years 2015, 2014 and 2013, respectively. In fiscal 2015, the lower gross margins were primarily due to the strength in the U.S. dollar, which resulted in lower revenues and gross margins when international sales in Europe, Mexico and Brazil were converted from local currencies to the dollar. All currencies the Company operates in weakened against the dollar in fiscal 2015, and pressured margins. Additionally, a mix shift, the result of transferring revenues of lower gross margin Animal Safety products for customers in Mexico and Central America to Neogen Latinoamerica, negatively impacted gross margins in Food Safety. In fiscal 2014, gross margins declined due to a product mix shift, primarily the result of lower sales of mycotoxin test kits due to crops that were largely free of the natural toxins aflatoxin and deoxynivalenol, which had contributed to strong sales of the Company’s mycotoxin test kits in fiscal 2013. The lower mycotoxin revenues in fiscal 2014 were replaced with higher revenues in other product lines, such as dehydrated culture media, which had lower gross margins.

Animal Safety gross margins were 40%, 38% and 41% in fiscal years 2015, 2014 and 2013, respectively. The improved margins in fiscal 2015 compared to fiscal 2014 reflect a mix shift towards higher margin products and efficiency gains made in a number of the segment’s operating units. Rodenticides, which have higher than average gross margins within the segment, had a sales increase of 21% due to rodent infestation in the northwest U.S., and the Company’s small animal supplements product line experienced an increase of 23%, due to higher sales of the Company’s higher margin thyroid replacement product. The decline in gross margins in 2014 compared to 2013 was largely the result of product mix shifts within the segment during the year, and the impact from three acquisitions the Company made in 2014, which had gross margins which were lower than the segment average.

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OPERATING EXPENSES

Sales and marketing expenses increased by 11% in fiscal 2015 and 14% in fiscal 2014, each compared with the prior year. As a percentage of sales, sales and marketing expense was 18%, 19% and 20% in fiscal years 2015, 2014 and 2013, respectively. The Company continued to invest in sales and marketing personnel in fiscal 2015; however, efficiencies of scale were achieved with the integration of recent acquisitions, resulting in a lower rate of increase in expense than the increase in revenues. Salaries and commission expense were the largest increase in this category at 15% in fiscal 2015 and 11% in fiscal 2014, reflecting the increase in personnel and revenue. Other significant increases were shipping expense, which was 15% higher and was commensurate with the increase in revenues, and other personnel-related expenses, such as fringe benefits and travel.

General and administrative expenses increased 3% in fiscal 2015 compared to fiscal 2014 and by 21% in fiscal 2014 compared to fiscal 2013. The increases in fiscal years 2015 and 2014, respectively, are primarily due to higher stock option expense and increased amortization of intangible assets resulting from the Company’s recent acquisitions. Also contributing to the fiscal 2014 increase were increased salary and other personnel-related expenses, primarily due to the integration of acquisitions from fiscal years 2013 and 2014. A $1.2 million, or 73%, decrease in legal expenses, primarily related to a lawsuit that was settled in October 2014, partially offset the increase in this category for fiscal 2015.

Research and development expenses increased 15% in fiscal 2015 compared to fiscal 2014 and 7% in fiscal 2014 compared to fiscal 2013. In fiscal 2015, the increase in expense was primarily due to higher salaries, resulting from increased headcount needed to support the Company’s efforts, and outside services and lab supplies, due to higher levels of commercialization activities. As a percentage of revenue, these expenses were 3% in fiscal years 2015 and 2014 and 4% in fiscal 2013. The decline in expenditures, expressed as a percentage of revenue, is attributable to acquisitions the Company completed in fiscal year 2014 with products which generally require relatively less investment in research and development. For those products requiring support by research and development, which are primarily Food Safety diagnostics products, the Company estimates that it spends 8-10% of revenues in its research and development efforts. On a consolidated basis, the Company expects to continue to spend 3% to 5% of total revenue on research and development annually.

OPERATING INCOME

The Company’s operating income increased by 22% in fiscal 2015 compared to fiscal 2014, and by 7% in fiscal 2014 compared to fiscal 2013. Expressed as a percentage of revenues, it was 19%, 18% and 20% in fiscal years 2015, 2014 and 2013, respectively.

In fiscal 2015, the 22% increase in operating income was due to the 14% increase in revenues and lower increases in sales and marketing and general and administrative expenses, partially offset by the slight reduction in gross margin expressed as a percentage of revenues. The Company was able to increase revenues at a faster rate than expenses in these categories due to efficiencies of scale gained from recent acquisitions.

The increase in operating income of 7% in fiscal 2014 was largely the result of the 19% increase in revenues; however, product mix shifts within both the Food Safety and Animal Safety segments towards lower margin products, and the lower gross margins from the three acquisitions, resulted in a 320 basis point reduction in the overall gross margin percentage, and was the primary reason operating income as a percentage of revenues declined from 20% in fiscal 2013 to 18% in fiscal 2014.

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OTHER INCOME (EXPENSE)

Other Income (Expense) consists principally of royalty income, interest income from investing the Company’s excess cash balances, the impact of foreign currency transactions, adjustments to contingent considerations, and other miscellaneous items.

In fiscal 2015, Other Income (Expense) primarily consisted of losses on foreign currency translations of $1,124,000, the result of the stronger U.S. dollar during the year. In addition, the Company recognized interest income of $228,000, royalty income of $150,000 and net expense of $297,000 resulting from contingent consideration payments made during the year for prior year acquisitions. The contingent consideration adjustments consisted of $241,000 of income for SyrVet, $454,000 of expense for Prima Tech, and $84,000 of expense for Chem-Tech; these adjustments were the difference between the liability recorded at the initial purchase of each business and the actual payment made to the former owners, and were based on the achievement of sales goals for the first twelve months of the Company’s ownership.

In fiscal 2014, Other Income (Expense) consisted primarily of losses on foreign currency translations of $717,000, partially offset by $231,000 in royalty income and $115,000 in interest income.

In fiscal 2013, Other Income (Expense) primarily consisted of royalty income totaling $364,000, interest income of $144,000 and $100,000 for the reversal of the contingent consideration obligation relating to the Igenity acquisition, due to lower than projected sales for the first year. This was offset by $114,000 of contingent consideration expense for the final year relating to the GeneSeek acquisition and losses on foreign currency translations totaling $166,000.

PROVISION FOR INCOME TAXES

The effective tax rate was 36% of pretax income in fiscal 2015, 35% in fiscal 2014 and 34% in fiscal 2013. Differences in the tax rate from the 35% statutory corporate rate were primarily due to the provision for state taxes, offset by tax credits related to manufacturing and research and development activities. The effective tax rate increased slightly in 2015 due to the Company’s presence in additional states due to recent acquisitions and a valuation allowance for deferred tax assets at Neogen do Brasil. The effective tax rate for fiscal 2014 was slightly higher than fiscal 2013 due to the expiration of the credit for research and development activities as of December 31, 2013. This credit was eventually extended and was included in the fiscal 2015 provision, however, the Company qualified for a lower credit than in previous years due to the addition of revenues from several acquisitions with very little research and development expense.

NET INCOME AND NET INCOME PER SHARE

Net income increased by 19% in fiscal 2015 and increased by 4% in fiscal 2014, each in comparison with the prior year. As a percentage of revenue, net income was 12% in fiscal 2015, 11% in fiscal 2014 and 13% in fiscal 2013.

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FUTURE OPERATING RESULTS

Neogen Corporation’s future operating results involve a number of risks and uncertainties. Actual events or results may differ materially from those discussed in this report. Factors that could cause or contribute to such differences include, but are not limited to, the factors discussed below as well as those discussed elsewhere in this report. Management’s ability to grow the business in the future depends upon its ability to successfully implement various strategies, including:

FINANCIAL CONDITION AND LIQUIDITY

On May 31, 2015, the Company had $66.1 million in cash and cash equivalents, $48.1 million in marketable securities and working capital of $205.7 million. For the year ended May 31, 2015, cash generated from operating activities was $43.8 million, double the $21.7 million generated in fiscal 2014; proceeds from stock option exercises provided an additional $8.6 million of cash. For the same period, additions to property and equipment and business acquisitions used cash of $9.6 million and $6.6 million, respectively. The Company has a financing agreement with a bank providing for an unsecured revolving line of credit of $12.0 million, which expires on September 1, 2017. There were no advances against this line of credit during fiscal years 2015, 2014 and 2013, and no balance outstanding at May 31, 2015 and 2014.

Accounts receivable at May 31, 2015 increased $7.3 million, or 14%, compared to May 31, 2014, primarily due to the increase in revenues. Days sales outstanding, a measurement of the time it takes to collect receivables, decreased slightly from 64 days at May 31, 2014 to 63 days at May 31, 2015. All customer accounts are actively managed and no losses in excess of amounts reserved are currently expected.

Inventory levels increased by $0.4 million or 1%, in fiscal 2015 compared to May 31, 2014. Throughout fiscal 2015, the Company focused on reducing inventory levels and improving inventory turnover, while identifying and rationalizing redundant product lines resulting from recent acquisitions. Inventory turnover improved from 3.0 to 3.2 times per year.

Neogen has been profitable from operations for its last 89 quarters and has generated positive cash flow from operations during this period. However, the Company’s cash on hand and current borrowing availability may not be sufficient to meet the Company’s cash requirements to commercialize products currently under development or its potential plans to acquire additional businesses, technology and products that fit within the Company’s strategic plan. Accordingly, the Company may be required, or may choose, to issue equity securities or enter into other financing arrangements for a portion of the its future capital needs.

The Company is subject to certain legal and other proceedings in the normal course of business that have not had, and, in the opinion of management, are not expected to have, a material effect on its results of operations or financial position.

CONTRACTUAL OBLIGATIONS

The Company has the following contractual obligations due by period:

NEW ACCOUNTING PRONOUNCEMENTS

See discussion of any New Accounting Pronouncements in Note 1 to Consolidated Financial Statements.

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The Company has interest rate and foreign exchange rate risk exposure and no long-term fixed rate investments or borrowings. The Company’s primary interest rate risk is due to potential fluctuations of interest rates for variable rate borrowings (no borrowings at May 31, 2015) and short-term investments.

Because Neogen markets and sells its products throughout the world, it could be affected by weak economic conditions in foreign markets that could reduce the demand for its products. Sales in certain foreign countries as well as certain expenses related to those sales are transacted in currencies other than the U.S. dollar. The Company’s operating results are primarily exposed to changes in exchange rates between the U.S. dollar, the British pound sterling and the euro, the Mexican peso, the Brazilian real and the Chinese yuan. When the U.S. dollar weakens against foreign currencies, the dollar value of sales denominated in foreign currencies increases. When the U.S. dollar strengthens, the opposite situation occurs. Additionally, previously recognized revenues in the course of collection can be affected positively or negatively by changes in exchange rates. The Company uses derivative financial instruments to help manage the economic impact of fluctuations in certain currency exchange rates. These contracts are adjusted to fair value through earnings.

Neogen has assets, liabilities and operations outside of the United States, located in Scotland, Brazil, Mexico, and China, where the functional currency is the British pound sterling, Brazilian real, Mexican peso, and Chinese yuan, respectively, and also transacts business throughout Europe in the euro. The Company’s investments in foreign subsidiaries are considered to be long-term.

The response to this item is submitted in a separate section of this report.

Evaluation of Disclosure Controls and Procedures

An evaluation was performed under the supervision and with the participation of the Company’s management, including the Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of the Company’s disclosure controls and procedures (as defined in Rule 13a-15 (e) under the Securities Exchange Act of 1934) as of May 31, 2015. Based on and as of the time of such evaluation, the Company’s management, including the Chief Executive Officer and Chief Financial Officer, concluded that the Company’s disclosure controls and procedures were effective as of the end of the period covered by this report to ensure that information required to be disclosed in the reports that are filed or submitted under the Securities and Exchange Act of 1934 is appropriately recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure the information required to be disclosed in the reports that are filed or submitted under the Securities Exchange Act of 1934 is accumulated and communicated to management, including the Chief Executive Officer and Chief Financial Officer, as appropriate to allow timely decisions regarding required disclosure.

Management’s Report on Internal Control over Financial Reporting

Management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Exchange Act Rules 13-a-15(f) and 15d-15(f). Under the supervision and with the participation of the Company’s management, including the Chief Executive Officer and Chief Financial Officer, an evaluation was conducted as to the effectiveness of internal control over financial reporting as of May 31, 2015, based on the framework in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). Based on that evaluation, management concluded that internal control over financial reporting was effective as of May 31, 2015. The effectiveness of internal control over financial reporting as of May 31, 2015, has been audited by BDO USA, LLP, an independent registered public accounting firm, as stated in its attestation report, which is included in Item 8 and is incorporated into this Item 9A by reference.

Changes in Internal Control over Financial Reporting

No changes in our internal control over financial reporting were identified as having occurred during the quarter ended May 31, 2015 that have materially affected, or are reasonably likely to materially affect, internal control over financial reporting.

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Report of Independent Registered Public Accounting Firm

Board of Directors and Stockholders

Neogen Corporation

Lansing, Michigan

We have audited Neogen Corporation and Subsidiaries’ (the Company) internal control over financial reporting as of May 31, 2015, based on criteria established in Internal Control—Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (the COSO criteria). The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, including in the accompanying “Management’s Report on Internal Control Over Financial Reporting”. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit.

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit 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 audit also included performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

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 (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) 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 (3) 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.

In our opinion, Neogen Corporation and Subsidiaries maintained, in all material respects, effective internal control over financial reporting as of May 31, 2015, based on the COSO criteria.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the consolidated balance sheets of Neogen Corporation and Subsidiaries as of May 31, 2015 and 2014, and the related consolidated statements of income and comprehensive income, equity, and cash flows for the years then ended, and our report dated July 30, 2015 expressed an unqualified opinion thereon.

/s/ BDO USA, LLP

Grand Rapids, Michigan

July 30, 2015

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PART III

Information regarding the Company and certain corporate governance matters appearing under the captions “Election of Directors”, “Audit Committee”, and “Miscellaneous-Section 16(a) Beneficial Ownership Reporting Compliance” in the 2014 proxy statement is incorporated herein by reference.

The Company has adopted a Code of Conduct that applies to all of its directors, officers and employees. The Company has made a copy of this Code of Conduct available on its Website at http://www.neogen.com/Corporate/pdf/CodeOfConduct.pdf.

OFFICERS AND OTHER KEY INDIVIDUALS OF THE REGISTRANT

The officers of Neogen are elected by and serve at the discretion of the Board of Directors. The names and titles of the Company’s officers are set forth below.

There are no family relationships among officers. Information concerning the executive officers of Neogen follows:

Edward L. Bradley, age 55, joined the Company in February 1995 as Vice President of Sales and Marketing for AMPCOR Diagnostics, Inc. In June 1996, he was named a Vice President of Neogen. In June 2006, Mr. Bradley was named Vice President, Food Safety. From 1988 to 1995, Mr. Bradley served in several sales and marketing capacities for Mallinckrodt Animal Health, including the position of National Sales Manager responsible for 40 employees in its Food Animal Products Division. Prior to joining Mallinckrodt, he held several sales and marketing positions for Stauffer Chemical Company.

Richard E. Calk, Jr., age 52, joined the Company as President and Chief Operating Officer in December 2014. During his career in the food and chemical industries, Mr. Calk has held senior leadership positions in a number of large, international companies including Kelco, Roquette America, and DSM Food Specialties. Mr. Calk has extensive experience in sales and marketing and he has managed the development of a number of new food and agriculture related products. His experience also includes the establishment of new operations throughout Asia, Europe, North and South America. Prior to joining Neogen, he was employed at Nexeo Solutions from 2013 to 2014, and held the position of Vice President Chemicals. From 2009 to 2013, he was Vice President of Commercial Operations at Solutia Inc.

Joseph A. Corbett, age 46, joined Neogen in December 1993 as a sales representative in the Animal Safety operation based in Lexington, Kentucky. Prior to Neogen, he worked for the Marriott Corporation in sales and operations. He has served in various sales, marketing and operational roles within the Neogen Animal Safety group. Most recently, Mr. Corbett was Senior Director of Sales & Operations, Animal Safety and was responsible for all Animal Safety revenues excluding GeneSeek and Life Sciences. He was named Vice President, Animal Safety Sales and Operations in October 2014.

James L. Herbert, age 75, has been Chief Executive Officer and a director of the Company since he joined Neogen in June 1982. He served as President from June 1982 through June 2006. From 1999 to 2001 he was Chairman of the Company’s Board; and was again named Chairman in June 2006. Mr. Herbert previously held the position of Corporate Vice President of DeKalb Ag Research, a major agricultural genetics and energy company. He has management experience in animal biologics, specialized chemical research, medical instruments, aquaculture, animal nutrition, and poultry and livestock breeding and production.

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Kenneth V. Kodilla, age 58, joined Neogen in November 2003 as Vice President of Manufacturing. He has responsibility for all manufacturing, inventory management, distribution and quality system operations for the Company’s Food Safety Division in Lansing, Michigan. Prior to joining Neogen, Mr. Kodilla served as plant manager for Facet Technologies in Atlanta, Georgia from 2001, as Manufacturing Manager for Becton Dickinson and Difco Laboratories from 1988, and as Quality Manager for Lee Laboratories from 1984. Mr. Kodilla’s manufacturing and regulatory experience includes FDA/ISO regulated Class and diagnostic reagents and devices, high volume automated assembly and packaging, materials management and plant operations.

Dr. Jason W. Lilly, age 41, joined the Company in June 2005 as Market Development Manager for Food Safety. In June 2009, he began to work in the Corporate Development group. He was named Vice President of Corporate Development in December 2011. Prior to joining Neogen, he served in various technical sales and marketing roles at Invitrogen Corporation. Dr. Lilly’s technical knowledge and business acumen provides the Company with a strong combination of merger and acquisition skills.

Terri A. Morrical, age 50, joined Neogen on September 1, 1992 as part of the Company’s acquisition of WTT, Incorporated. She has directed most aspects of the Company’s Animal Safety operations since she joined Neogen and currently serves as Vice President in charge of all of the Company’s Animal Safety operations excluding GeneSeek. From 1986 to 1991, Ms. Morrical was Controller for Freeze Point Cold Storage Systems and concurrently served in the same capacity for Powercore, Inc. In 1990, she joined WTT, Incorporated as VP/CFO and then became President, the position she held at the time Neogen acquired the business.

Dr. Mark A. Mozola, age 59, became Neogen’s Vice President of Research and Development in 2001 following the Company’s acquisition of Gene-Trak Systems. He served in various technical and managerial positions at Gene-Trak Systems for 16 years, most recently as General Manager. He has also served as a Laboratory Director for Silliker Laboratories. Dr. Mozola’s particular technical expertise is in the area of development of modern, rapid methods for the detection of foodborne pathogens.

Steven J. Quinlan, age 52, joined Neogen in January 2011 as Vice President and Chief Financial Officer. Mr. Quinlan came to the Company following 19 years at Detrex Corporation (1992-2010), the last eight years serving as Vice President-Finance, CFO and Treasurer. He was Corporate Controller at Detrex from 1998-2001, and was Divisional Controller for a number of Detrex operating businesses from 1992-1997. Prior to joining Detrex, Mr. Quinlan was employed by Ford Motor Company from 1989 through 1991 as a Cost Analyst. He was associated with the public accounting firm of Price Waterhouse from 1985-1989.

Dr. Jennifer A. Rice, age 54, joined the Company in February 2009 as Senior Scientific Officer. In October 2010, she was named Vice President and Senior Research Director and has responsibility to manage and lead Neogen’s research and development portfolio. Prior to joining Neogen, Dr. Rice served as Animal Health Global Product Development Leader at Dow AgroSciences. From 1996 to 2004, she held Research Director Positions at Biocor Animal Health (2001-2004) and Merial Animal Health (1996-2001). Dr. Rice’s strong background in leading large global research and development teams brings a key management skill to Neogen.

Dwight E. Schroedter, age 58, joined Neogen in January 1995 as the Research and Development Manager of the Animal Safety Division based in Lexington, Kentucky. He has served in a variety of technical, operational and sales roles as part of the Animal Safety Division and was named Vice President, Animal Safety Manufacturing in October 2014. Prior to joining Neogen, Mr. Schroedter managed the antibody development laboratory for the Ames Division of Miles, Incorporated.

The information required by this Item is incorporated by reference to Neogen’s Proxy Statement to be filed within 120 days of May 31, 2015.

The information required by this Item is incorporated by reference to Neogen’s Proxy Statement to be filed within 120 days of May 31, 2015.

The information required by this item is incorporated by reference to Neogen’s Proxy Statement to be filed within 120 days of May 31, 2015.

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PART IV

(a) (1) and (2) and (c). The response to this portion of ITEM 15 is submitted as a separate section of this report.

(a) (3). The Exhibits listed on the accompanying Exhibits Index, which immediately follows the signature page, is incorporated herein by reference.

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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.

Dated: July 30, 2015

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.

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Neogen Corporation

Annual Report on Form 10-K

Year Ended May 31, 2015

EXHIBIT INDEX

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ANNUAL REPORT ON FORM 10-K

ITEM 15 (a)(1)(2) (3) (a) and (c)

LIST OF FINANCIAL STATEMENTS, EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

YEAR ENDED MAY 31, 2015

NEOGEN CORPORATION

LANSING, MICHIGAN

FORM 10-K—ITEM 15(a)(1) AND (2)

LIST OF FINANCIAL STATEMENTS AND FINANCIAL STATEMENT SCHEDULES

The following consolidated financial statements of Neogen Corporation and subsidiaries are included in ITEM 8:

Reports of Independent Registered Public Accounting Firm

Consolidated Balance Sheets—May 31, 2015 and 2014

Consolidated Statements of Income—Years ended May 31, 2015, 2014 and 2013

Consolidated Statements of Comprehensive Income—Years ended May 31, 2015, 2014 and 2013

Consolidated Statements of Equity— Years ended May 31, 2015, 2014 and 2013

Consolidated Statements of Cash Flows— Years ended May 31, 2015, 2014 and 2013

Notes to Consolidated Financial Statements

Schedules for which provision is made in the applicable accounting regulation of the United States Securities and Exchange Commission are not required under the related instructions or are inapplicable and, therefore, have been omitted.

FORM 10-K – Item 15 (a) (3)

A list of Exhibits required to be filed as a part of this report is set forth in the Exhibit Index, which immediately follows the signature page, and is incorporated herein by reference.

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Report of Independent Registered Public Accounting Firm

Board of Directors and Stockholders

Neogen Corporation and Subsidiaries

Lansing, Michigan

We have audited the accompanying consolidated balance sheets of Neogen Corporation and Subsidiaries (the Company) as of May 31, 2015 and 2014 and the related consolidated statements of income, comprehensive income, equity, and cash flows for the years then ended. These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on these financial statements based on our audits.

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes 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, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the financial position of Neogen Corporation and Subsidiaries at May 31, 2015 and 2014, and the results of their operations and their cash flows for the years then ended, in conformity with accounting principles generally accepted in the United States of America.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), Neogen Corporation and Subsidiaries’ internal control over financial reporting as of May 31, 2015, based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO) and our report dated July 30, 2015 expressed an unqualified opinion thereon.

/s/ BDO USA, LLP

Grand Rapids, Michigan

July 30, 2015

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Report of Independent Registered Public Accounting Firm

The Board of Directors and Stockholders of Neogen Corporation

We have audited the accompanying consolidated statement of income, comprehensive income, equity, and cash flows for the year ended May 31, 2013 of Neogen Corporation and Subsidiaries (the Company). These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on these financial statements based on our audit.

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audit provides a reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly, in all material respects, the consolidated results of operations and cash flows of Neogen Corporation and Subsidiaries for the year ended May 31, 2013, in conformity with U.S. generally accepted accounting principles.

/s/ Ernst & Young LLP

Detroit Michigan

July 30, 2013

except for the stock split information presented in Note 1, as to which the date is

July 30, 2014

Table of Contents

Neogen Corporation and Subsidiaries

Consolidated Balance Sheets – Assets

(in thousands)

See accompanying notes to consolidated financial statements.

F-1

Table of Contents

Neogen Corporation and Subsidiaries

Consolidated Balance Sheets – Liabilities and Equity

(in thousands, except share and per share)

See accompanying notes to consolidated financial statements.

F-2

Table of Contents

Neogen Corporation and Subsidiaries

Consolidated Statements of Income

(in thousands, except per share)

See accompanying notes to consolidated financial statements.

F-3

Table of Contents

Neogen Corporation and Subsidiaries

Consolidated Statements of Comprehensive Income

(in thousands, except per share)

See accompanying notes to consolidated financial statements.

F-4

Table of Contents

Neogen Corporation and Subsidiaries

Consolidated Statements of Equity

(in thousands, except shares)