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NuStar Energy L.P. - Quarter Report: 2022 September (Form 10-Q)


Table of Contents

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-Q
(Mark One)
QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended September 30, 2022
OR
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from _______ to _______
Commission File Number 1-16417
_________________________________________
ns-20220930_g1.jpg
NuStar Energy L.P.
(Exact name of registrant as specified in its charter)
_________________________________________
Delaware74-2956831
(State or other jurisdiction of incorporation or organization)(I.R.S. Employer Identification No.)
19003 IH-10 West
San Antonio, Texas
(Address of principal executive offices)
78257
(Zip Code)
Registrant’s telephone number, including area code (210) 918-2000
 _______________________________________
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
Common UnitsNSNew York Stock Exchange
8.50% Series A Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred UnitsNSprANew York Stock Exchange
7.625% Series B Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred UnitsNSprBNew York Stock Exchange
9.00% Series C Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred UnitsNSprCNew York Stock Exchange
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 þ    No o
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted 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 such files).    Yes þ    No o
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act:
Large accelerated filerþAccelerated filer
Non-accelerated filerSmaller reporting company
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.    o   
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes ☐   No þ

The number of common units outstanding as of October 31, 2022 was 110,313,685.



Table of Contents

NUSTAR ENERGY L.P.
FORM 10-Q
TABLE OF CONTENTS
Item 1.
Item 2.
Item 3.
Item 4.
Item 6.
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PART I – FINANCIAL INFORMATION

Item 1.Financial Statements
NUSTAR ENERGY L.P. AND SUBSIDIARIES
CONSOLIDATED BALANCE SHEETS
(Unaudited, Thousands of Dollars, Except Unit Data)
September 30,
2022
December 31,
2021
Assets
Current assets:
Cash and cash equivalents$7,544 $5,637 
Accounts receivable138,874 135,126 
Inventories15,249 16,644 
Prepaid and other current assets27,885 27,135 
Total current assets189,552 184,542 
Property, plant and equipment, at cost5,703,532 5,728,848 
Accumulated depreciation and amortization(2,277,490)(2,187,206)
Property, plant and equipment, net3,426,042 3,541,642 
Intangible assets, net524,467 557,785 
Goodwill732,356 732,356 
Other long-term assets, net130,563 140,007 
Total assets$5,002,980 $5,156,332 
Liabilities, Mezzanine Equity and Partners’ Equity
Current liabilities:
Accounts payable$80,805 $82,446 
Current portion of finance leases4,297 3,848 
Accrued interest payable74,410 34,139 
Accrued liabilities60,692 79,818 
Taxes other than income tax16,424 14,475 
Total current liabilities236,628 214,726 
Long-term debt, less current portion of finance leases3,068,055 3,183,555 
Deferred income tax liability2,845 11,831 
Other long-term liabilities139,369 147,956 
Total liabilities3,446,897 3,558,068 
Commitments and contingencies (Note 6)
Series D preferred limited partners (23,246,650 preferred units outstanding as of
September 30, 2022 and December 31, 2021) (Note 8)
630,641 616,439 
Partners’ equity (Note 9):
 Preferred limited partners
Series A (9,060,000 units outstanding as of September 30, 2022 and December 31, 2021)
218,307 218,307 
Series B (15,400,000 units outstanding as of September 30, 2022 and December 31, 2021)
371,476 371,476 
Series C (6,900,000 units outstanding as of September 30, 2022 and December 31, 2021)
166,518 166,518 
Common limited partners (110,313,685 and 109,986,273 common units outstanding
as of September 30, 2022 and December 31, 2021, respectively)
201,200 299,502 
Accumulated other comprehensive loss(32,059)(73,978)
Total partners’ equity925,442 981,825 
Total liabilities, mezzanine equity and partners’ equity$5,002,980 $5,156,332 
See Condensed Notes to Consolidated Financial Statements.
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NUSTAR ENERGY L.P. AND SUBSIDIARIES
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
(Unaudited, Thousands of Dollars, Except Unit and Per Unit Data)
 Three Months Ended September 30,Nine Months Ended September 30,
 2022202120222021
Revenues:
Service revenues$277,380 $296,473 $820,752 $869,144 
Product sales135,863 115,872 432,511 331,940 
Total revenues413,243 412,345 1,253,263 1,201,084 
Costs and expenses:
Costs associated with service revenues:
Operating expenses (excluding depreciation and amortization expense)
91,286 100,143 272,636 287,923 
Depreciation and amortization expense63,140 66,126 188,683 203,508 
Total costs associated with service revenues154,426 166,269 461,319 491,431 
Costs associated with product sales117,324 107,047 378,217 300,801 
Goodwill impairment loss— 34,060 — 34,060 
Other impairment losses— 154,908 46,122 154,908 
General and administrative expenses (excluding depreciation and amortization expense)
27,676 27,365 82,656 79,334 
Other depreciation and amortization expense1,935 1,881 5,582 5,841 
Total costs and expenses301,361 491,530 973,896 1,066,375 
Operating income (loss)111,882 (79,185)279,367 134,709 
Interest expense, net(52,294)(53,513)(153,053)(162,211)
Other income, net1,475 8,450 7,158 11,744 
Income (loss) before income tax expense61,063 (124,248)133,472 (15,758)
Income tax expense1,430 685 2,328 3,535 
Net income (loss)$59,633 $(124,933)$131,144 $(19,293)
Basic and diluted net income (loss) per common unit (Note 10)
$0.20 $(1.48)$0.18 $(1.18)
Basic and diluted weighted-average common units outstanding110,310,921 109,532,381 110,265,359 109,522,849 
Comprehensive income (loss)$59,746 $(125,459)$173,063 $(15,455)
See Condensed Notes to Consolidated Financial Statements.

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NUSTAR ENERGY L.P. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF CASH FLOWS
(Unaudited, Thousands of Dollars)
 Nine Months Ended September 30,
 20222021
Cash flows from operating activities:
Net income (loss)$131,144 $(19,293)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense194,265 209,349 
Amortization of unit-based compensation9,861 10,463 
Amortization of debt related items7,663 9,021 
Gain from insurance recoveries(625)(9,372)
Goodwill impairment loss— 34,060 
Other impairment losses46,122 154,908 
Changes in current assets and current liabilities (Note 11)
32,839 15,678 
(Increase) decrease in other long-term assets(2,332)8,183 
Increase (decrease) in other long-term liabilities525 (5,574)
Other, net(5,684)(324)
Net cash provided by operating activities413,778 407,099 
Cash flows from investing activities:
Capital expenditures(111,437)(130,966)
Change in accounts payable related to capital expenditures(9,716)(5,464)
Proceeds from insurance recoveries5,805 9,372 
Proceeds from sale or disposition of assets59,643 339 
Net cash used in investing activities(55,705)(126,719)
Cash flows from financing activities:
Proceeds from long-term debt borrowings588,100 649,000 
Long-term debt repayments(706,000)(843,400)
Distributions to preferred unitholders(94,493)(95,663)
Distributions to common unitholders(132,288)(131,436)
Other, net(12,207)(4,740)
Net cash used in financing activities(356,888)(426,239)
Effect of foreign exchange rate changes on cash750 183 
Net increase (decrease) in cash, cash equivalents and restricted cash1,935 (145,676)
Cash, cash equivalents and restricted cash as of the beginning of the period14,439 162,426 
Cash, cash equivalents and restricted cash as of the end of the period$16,374 $16,750 
See Condensed Notes to Consolidated Financial Statements.
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NUSTAR ENERGY L.P. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF PARTNERS’ EQUITY AND MEZZANINE EQUITY
Three Months Ended September 30, 2022 and 2021
(Unaudited, Thousands of Dollars, Except Per Unit Data)
Limited PartnersMezzanine Equity
 PreferredCommonAccumulated
Other
Comprehensive
Loss
Total Partners’ Equity
(Note 9)
Series D Preferred Limited Partners (Note 8)
Total
Balance as of July 1, 2022$756,301 $220,511 $(32,172)$944,640 $625,751 $1,570,391 
Net income16,608 27,170 — 43,778 15,855 59,633 
Other comprehensive income— — 113 113 — 113 
Distributions to partners:
Series A, B and C preferred
(16,608)— — (16,608)— (16,608)
Common ($0.40 per unit)
— (44,124)— (44,124)— (44,124)
Series D preferred
— — — — (15,855)(15,855)
Unit-based compensation
— 2,542 — 2,542 — 2,542 
Series D preferred unit accretion
— (4,890)— (4,890)4,890 — 
Other— (9)— (9)— (9)
Balance as of September 30, 2022$756,301 $201,200 $(32,059)$925,442 $630,641 $1,556,083 

Balance as of July 1, 2021$756,301 $523,711 $(92,292)$1,187,720 $607,718 $1,795,438 
Net income (loss)16,034 (156,822)— (140,788)15,855 (124,933)
Other comprehensive loss— — (526)(526)— (526)
Distributions to partners:
Series A, B and C preferred
(16,034)— — (16,034)— (16,034)
Common ($0.40 per unit)
— (43,813)— (43,813)— (43,813)
Series D preferred
— — — — (15,855)(15,855)
Unit-based compensation
— 2,721 — 2,721 — 2,721 
Series D Preferred Unit accretion
— (4,292)— (4,292)4,292 — 
Balance as of September 30, 2021$756,301 $321,505 $(92,818)$984,988 $612,010 $1,596,998 
See Condensed Notes to Consolidated Financial Statements.













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NUSTAR ENERGY L.P. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF PARTNERS’ EQUITY AND MEZZANINE EQUITY
Nine Months Ended September 30, 2022 and 2021
(Unaudited, Thousands of Dollars, Except Per Unit Data)
Limited PartnersMezzanine Equity
 PreferredCommonAccumulated
Other
Comprehensive
Loss
Total Partners’ Equity
(Note 9)
Series D Preferred Limited Partners (Note 8)
Total
Balance as of January 1, 2022$756,301 $299,502 $(73,978)$981,825 $616,439 $1,598,264 
Net income47,515 36,066 — 83,581 47,563 131,144 
Other comprehensive income— — 41,919 41,919 — 41,919 
Distributions to partners:
Series A, B and C preferred
(47,515)— — (47,515)— (47,515)
Common ($1.20 per unit)
— (132,288)— (132,288)— (132,288)
Series D preferred
— — — — (47,563)(47,563)
Unit-based compensation
— 12,133 — 12,133 — 12,133 
Series D preferred unit accretion
— (14,205)— (14,205)14,205 — 
Other— (8)— (8)(3)(11)
Balance as of September 30, 2022$756,301 $201,200 $(32,059)$925,442 $630,641 $1,556,083 
Balance as of January 1, 2021$756,301 $572,314 $(96,656)$1,231,959 $599,542 $1,831,501 
Net income (loss)48,100 (114,956)— (66,856)47,563 (19,293)
Other comprehensive income— — 3,838 3,838 — 3,838 
Distributions to partners:
Series A, B and C preferred
(48,100)— — (48,100)— (48,100)
Common ($1.20 per unit)
— (131,436)— (131,436)— (131,436)
Series D preferred
— — — — (47,563)(47,563)
Unit-based compensation
— 8,051 — 8,051 — 8,051 
Series D Preferred Unit accretion
— (12,468)— (12,468)12,468 — 
Balance as of September 30, 2021$756,301 $321,505 $(92,818)$984,988 $612,010 $1,596,998 
See Condensed Notes to Consolidated Financial Statements.
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NUSTAR ENERGY L.P. AND SUBSIDIARIES
CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
1. ORGANIZATION AND BASIS OF PRESENTATION

Organization and Operations
NuStar Energy L.P. (NYSE: NS) is a Delaware limited partnership primarily engaged in the transportation, terminalling and storage of petroleum products and renewable fuels and the transportation of anhydrous ammonia. Unless otherwise indicated, the terms “NuStar Energy,” “NS,” “the Partnership,” “we,” “our” and “us” are used in this report to refer to NuStar Energy L.P., to one or more of our consolidated subsidiaries or to all of them taken as a whole. Our business is managed under the direction of the board of directors of NuStar GP, LLC, the general partner of our general partner, Riverwalk Logistics, L.P., both of which are indirectly wholly owned subsidiaries of ours.

We conduct our operations through our subsidiaries, primarily NuStar Logistics, L.P. (NuStar Logistics) and NuStar Pipeline Operating Partnership L.P. (NuPOP). We have three business segments: pipeline, storage and fuels marketing.

Recent Development
On April 29, 2022, we sold the equity interests in our wholly owned subsidiaries that owned our Point Tupper terminal facility to EverWind Fuels for $60.0 million (the Point Tupper Terminal Disposition). Please refer to Note 3 for more information.

Other Events
Debt Amendments. On January 28, 2022, we amended and restated our $1.0 billion unsecured revolving credit agreement to extend the maturity to April 27, 2025, replace the LIBOR-based interest rate and modify other terms. Also on January 28, 2022, we amended our $100.0 million receivables financing agreement to extend the scheduled termination date to January 31, 2025, replace the LIBOR-based interest rate and modify other terms. Please refer to Note 5 for more information.

Selby Terminal Fire. On October 15, 2019, our terminal facility in Selby, California experienced a fire that destroyed two storage tanks and temporarily shut down the terminal. We received insurance proceeds of $5.8 million and $28.5 million for the nine months ended September 30, 2022 and 2021, respectively. We recorded a gain from business interruption insurance of $4.0 million for the nine months ended September 30, 2021, which is included in “Operating expenses” in the condensed consolidated statements of comprehensive income (loss). We believe we have adequate insurance to offset additional costs.

Basis of Presentation
These unaudited condensed consolidated financial statements include the accounts of the Partnership and subsidiaries in which the Partnership has a controlling interest. Inter-partnership balances and transactions have been eliminated in consolidation.

These unaudited condensed consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles (GAAP) for interim financial information and with the instructions to the Quarterly Report on Form 10-Q and Article 10 of Regulation S-X of the Securities Exchange Act of 1934. Accordingly, they do not include all of the information and notes required by GAAP for complete consolidated financial statements. In the opinion of management, all adjustments considered necessary for a fair presentation have been included, and all disclosures are adequate. All such adjustments are of a normal recurring nature unless disclosed otherwise. Operating results for the nine months ended September 30, 2022 are not necessarily indicative of the results that may be expected for the year ending December 31, 2022. These unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2021.

We have reclassified certain previously reported amounts in the consolidated financial statements and notes to conform to current-period presentation.

2. NEW ACCOUNTING PRONOUNCEMENT

In March 2020, the Financial Accounting Standards Board (FASB) issued guidance intended to provide relief to companies impacted by reference rate reform, which is the transition away from LIBOR as its publication is expected to cease after June 30, 2023. The amended guidance provides optional expedients and exceptions for applying GAAP to contracts, hedging relationships and other transactions affected by reference rate reform if certain criteria are met. The guidance is effective as of March 12, 2020 through December 31, 2022, and, in October 2022, the FASB affirmed a decision to extend the relief through December 31, 2024. We adopted the guidance on a prospective basis on the effective date, and it did not have an impact on our financial position, results of operations or disclosures at transition. We will continue to evaluate the impact on contracts modified on or before December 31, 2022 or the extension date prescribed by the FASB, whichever is later.

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NUSTAR ENERGY L.P. AND SUBSIDIARIES
CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)
Pursuant to the Adjustable Interest Rate (LIBOR) Act (the LIBOR Act) signed into law in the U.S. on March 15, 2022, the Board of Governors of the Federal Reserve System has been directed to enact rules selecting a benchmark replacement rate to automatically replace LIBOR in LIBOR-based contracts that lack adequate fallback provisions upon cessation. The proposed benchmark replacement rate has not been finalized. As of September 30, 2022, $402.5 million of our variable-rate debt uses LIBOR as a benchmark for establishing the interest rate. In addition, the distribution rates on our 8.50% Series A and 7.625% Series B Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units are floating rates based on LIBOR, and the distribution rate on our 9.00% Series C Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units converts from a fixed rate to a floating rate based on LIBOR in December 2022.

3. DISPOSITIONS AND IMPAIRMENTS

Point Tupper Terminal Disposition
On April 29, 2022, we sold the equity interests in our wholly owned subsidiaries that owned our Point Tupper terminal facility in Nova Scotia, Canada (the Point Tupper Terminal Operations) to EverWind Fuels for $60.0 million. The terminal facility had a storage capacity of 7.8 million barrels and was included in the storage segment. We utilized the sales proceeds to reduce debt and thereby improve our debt metrics.

During the first quarter of 2022, we determined the Point Tupper Terminal Operations met the criteria to be classified as held for sale. We compared the carrying value of the Point Tupper Terminal Operations, which included $42.2 million in cumulative foreign currency translation losses accumulated since our acquisition of the Point Tupper terminal facility in 2005, to its fair value less costs to sell, and we recognized a pre-tax impairment loss of $46.1 million in the first quarter of 2022, which is presented in "Other impairment losses" on the condensed consolidated statements of comprehensive income (loss). We believe that the sales price of $60.0 million provided a reasonable indication of the fair value of the Point Tupper Terminal Operations as it represented an exit price in an orderly transaction between market participants. The sales price was a quoted price for identical assets and liabilities in a market that was not active and, thus, our fair value estimate fell within Level 2 of the fair value hierarchy. In the second quarter of 2022, we recorded a gain on the sale of $1.6 million, which is presented in “Other income, net” on the condensed consolidated statements of comprehensive income (loss).

Eastern U.S. Terminals Disposition
On August 1, 2021, we entered into an agreement (the Purchase Agreement) to sell the Eastern U.S. Terminal Operations to Sunoco LP for $250.0 million. The Eastern U.S. Terminal Operations included terminals in the following locations; Jacksonville, Florida; Andrews Air Force Base, Maryland; Baltimore, Maryland; Piney Point, Maryland; Virginia Beach, Virginia; Paulsboro, New Jersey; and Blue Island, Illinois, as well as both Linden, New Jersey terminals. The Eastern U.S. Terminal Operations had an aggregate storage capacity of 14.8 million barrels and were included in the storage segment. We determined these assets were no longer synergistic with our core assets. The Eastern U.S. Terminal Operations did not qualify for reporting as discontinued operations, as the sale did not represent a strategic shift that would have a major effect on our operations or financial results. We closed the sale on October 8, 2021 and used the proceeds from the sale to reduce debt and thereby improve our debt metrics.

The Eastern U.S. Terminal Operations met the criteria to be classified as held for sale upon our entrance into the Purchase Agreement during the third quarter of 2021. At that time, we allocated goodwill of $34.1 million to the Eastern U.S. Terminal Operations based on its fair value relative to the terminals reporting unit, with which it had been fully integrated. We tested the allocated goodwill for impairment by comparing the fair value of the Eastern U.S. Terminal Operations to its carrying value. The results of our goodwill impairment test indicated that the carrying value of the Eastern U.S. Terminal Operations exceeded its fair value, and we recognized a related goodwill impairment charge of $34.1 million in the third quarter of 2021 to reduce the allocated goodwill to $0. The goodwill impairment loss is reported in “Goodwill impairment loss” on the condensed consolidated statements of comprehensive income (loss). We believe that the sales price of $250.0 million provided a reasonable indication of the fair value of the Eastern U.S. Terminal Operations as it represented an exit price in an orderly transaction between market participants. The sales price was a quoted price for identical assets and liabilities in a market that was not active and, thus, our fair value estimate fell within Level 2 of the fair value hierarchy.

We compared the remaining carrying value of the Eastern U.S. Terminal Operations, after its goodwill impairment, to its fair value less costs to sell. We recognized an asset impairment loss of $95.7 million in the third quarter of 2021, which is reported in “Other impairment losses” on the condensed consolidated statements of comprehensive income (loss). The asset impairment loss included $23.9 million related to intangible assets representing customer contracts and relationships.

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NUSTAR ENERGY L.P. AND SUBSIDIARIES
CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)
Houston Pipeline Impairment
In the third quarter of 2021, we recorded a long-lived asset impairment charge of $59.2 million within our pipeline segment related to our refined product pipeline extending from Mt. Belvieu, Texas to Corpus Christi, Texas (the Houston Pipeline). During the third quarter of 2021, we identified an indication of impairment related to the southern section of the Houston Pipeline, specifically that its physical condition would require significant investment in order to pursue commercial opportunities. Consequently, we separated the pipeline into two distinct assets: the northern and southern sections. Our estimate of the undiscounted cash flows associated with the southern section indicated it was not recoverable. Due to the factors described above, we determined the carrying value of the southern section exceeded its fair value, and reduced its carrying value to $0. We recorded the asset impairment charge in “Other impairment losses” on the condensed consolidated statements of comprehensive income (loss) for the three and nine months ended September 30, 2021. We determined that the northern portion of the pipeline was not impaired.

4. REVENUE FROM CONTRACTS WITH CUSTOMERS

Contract Assets and Contract Liabilities
The following table provides information about contract assets and contract liabilities from contracts with customers:
20222021
Contract AssetsContract LiabilitiesContract AssetsContract Liabilities
(Thousands of Dollars)
Balances as of January 1:
Current portion$2,336 $(15,443)$2,694 $(22,019)
Noncurrent portion504 (46,027)932 (47,537)
Total 2,840 (61,470)3,626 (69,556)
Activity:
Additions3,806 (32,895)1,924 (29,874)
Transfer to accounts receivable(4,224)— (3,907)— 
Transfer to revenues(83)38,158 (375)37,159 
Total (501)5,263 (2,358)7,285 
Balances as of September 30:
Current portion1,977 (14,327)486 (15,194)
Noncurrent portion362 (41,880)585 (46,056)
Held for sale— — 197 (1,021)
Total $2,339 $(56,207)$1,268 $(62,271)

Remaining Performance Obligations
The following table presents our estimated revenue from contracts with customers for remaining performance obligations that has not yet been recognized, representing our contractually committed revenue as of September 30, 2022 (in thousands of dollars):
2022 (remaining)$100,360 
2023330,534 
2024234,335 
2025147,234 
2026100,218 
Thereafter103,036 
Total$1,015,717 

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NUSTAR ENERGY L.P. AND SUBSIDIARIES
CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)
Our contractually committed revenue, for purposes of the tabular presentation above, is limited to customer service contracts that have fixed pricing and fixed volume terms and conditions.

Disaggregation of Revenues
The following table disaggregates our revenues:
Three Months Ended September 30,Nine Months Ended September 30,
2022202120222021
(Thousands of Dollars)
Pipeline segment:
Crude oil pipelines $101,865 $86,140 $281,999 $242,762 
Refined products and ammonia pipelines107,143 110,067 316,257 315,579 
Total pipeline segment revenues from contracts with customers209,008 196,207 598,256 558,341 
Storage segment:
Throughput terminals26,933 30,771 84,303 90,708 
Storage terminals (excluding lessor revenues)40,694 67,008 138,502 214,166 
Total storage segment revenues from contracts with customers
67,627 97,779 222,805 304,874 
Lessor revenues10,765 10,363 32,291 31,090 
Total storage segment revenues78,392 108,142 255,096 335,964 
Fuels marketing segment:
Revenues from contracts with customers
125,843 107,996 399,912 306,790 
Consolidation and intersegment eliminations— — (1)(11)
Total revenues$413,243 $412,345 $1,253,263 $1,201,084 

5. DEBT

Revolving Credit Agreement
On January 28, 2022, NuStar Logistics amended and restated its $1.0 billion unsecured revolving credit agreement (the Revolving Credit Agreement) primarily to: (i) extend the maturity date from October 27, 2023 to April 27, 2025; (ii) increase the maximum amount of letters of credit capable of being issued from $400.0 million to $500.0 million; (iii) replace LIBOR benchmark provisions with customary secured overnight financing rate, or SOFR, benchmark provisions; (iv) remove the 0.50x increase permitted in our consolidated debt coverage ratio for certain rolling periods in which an acquisition for aggregate net consideration of at least $50.0 million occurs; and (v) add baskets and exceptions to certain negative covenants.

As of September 30, 2022, we had $2.0 million of borrowings outstanding and $993.3 million available for borrowing under the Revolving Credit Agreement. Letters of credit issued under the Revolving Credit Agreement totaled $4.7 million as of September 30, 2022 and limit the amount we can borrow under the Revolving Credit Agreement. Obligations under the Revolving Credit Agreement are guaranteed by NuStar Energy and NuPOP. The Revolving Credit Agreement provides for U.S. dollar borrowings, which bear interest, at our option, based on an alternative base rate or a SOFR-based rate. The Revolving Credit Agreement and certain fees under the Receivables Financing Agreement, defined below, are the only debt arrangements with interest rates that are subject to adjustment if our debt rating is downgraded (or upgraded) by certain credit rating agencies. As of September 30, 2022, our weighted-average interest rate related to borrowings under the Revolving Credit Agreement was 7.8%.

The Revolving Credit Agreement is subject to maximum consolidated debt coverage ratio and minimum consolidated interest coverage ratio requirements, which may limit the amount we can borrow to an amount that is less than the total amount available for borrowing. For a rolling period of four quarters, the consolidated debt coverage ratio (as defined in the Revolving
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NUSTAR ENERGY L.P. AND SUBSIDIARIES
CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)
Credit Agreement) cannot exceed 5.00-to-1.00, and the consolidated interest coverage ratio (as defined in the Revolving Credit Agreement) must not be less than 1.75-to-1.00. As of September 30, 2022, we believe that we are in compliance with the covenants in the Revolving Credit Agreement.

Receivables Financing Agreement
NuStar Energy and NuStar Finance LLC (NuStar Finance), a special purpose entity and wholly owned subsidiary of NuStar Energy, are parties to a $100.0 million receivables financing agreement with a third-party lender, with a scheduled termination date of January 31, 2025 (the Receivables Financing Agreement) and agreements with certain of NuStar Energy’s wholly owned subsidiaries (collectively with the Receivables Financing Agreement, the Securitization Program). NuStar Energy provides a performance guarantee in connection with the Securitization Program. Under the Securitization Program, certain of NuStar Energy’s wholly owned subsidiaries sell their accounts receivable to NuStar Finance on an ongoing basis, and NuStar Finance provides the newly acquired accounts receivable as collateral for its revolving borrowings under the Receivables Financing Agreement. NuStar Finance is a separate legal entity and the assets of NuStar Finance, including these accounts receivable, are not available to satisfy the claims of creditors of NuStar Energy, its subsidiaries selling receivables under the Securitization Program or their affiliates. The amount available for borrowing is based on the availability of eligible receivables and other customary factors and conditions. On January 28, 2022, the Receivables Financing Agreement was amended primarily to: (i) extend the scheduled termination date from September 20, 2023 to January 31, 2025; (ii) reduce the floor rate in the calculation of our borrowing rates; and (iii) replace provisions related to the LIBOR rate of interest with references to SOFR rates of interest.

Borrowings under the Receivables Financing Agreement bear interest, at NuStar Finance’s option, at a base rate or a SOFR rate, each as defined in the Receivables Financing Agreement. As of September 30, 2022, the amount of borrowings outstanding under the Receivables Financing Agreement totaled $74.4 million, the interest rate related to outstanding borrowings was 4.7% and $123.4 million of our accounts receivable was included in the Securitization Program.

Fair Value of Long-Term Debt
The estimated fair values and carrying amounts of long-term debt, excluding finance leases, were as follows:
September 30, 2022December 31, 2021
 (Thousands of Dollars)
Fair value$2,825,140 $3,459,153 
Carrying amount$3,016,436 $3,130,625 

We have estimated the fair value of our publicly traded notes based upon quoted prices in active markets; therefore, we determined that the fair value of our publicly traded notes falls in Level 1 of the fair value hierarchy. With regard to our other debt, for which a quoted market price is not available, we have estimated the fair value using a discounted cash flow analysis using current incremental borrowing rates for similar types of borrowing arrangements and determined that the fair value falls in Level 2 of the fair value hierarchy. The carrying amount includes unamortized debt issuance costs.

6. COMMITMENTS AND CONTINGENCIES

We have contingent liabilities resulting from various litigation, claims and commitments. We record accruals for loss contingencies when losses are considered probable and can be reasonably estimated. Legal fees associated with defending the Partnership in legal matters are expensed as incurred. We accrued $1.2 million and $0.1 million for contingent losses as of September 30, 2022 and December 31, 2021, respectively. The amount that will ultimately be paid related to such matters may differ from the recorded accruals, and the timing of such payments is uncertain. We evaluate each contingent loss at least quarterly, and more frequently as each matter progresses and develops over time, and we do not believe that the resolution of any particular claim or proceeding, or all matters in the aggregate, would have a material adverse effect on our results of operations, financial position or liquidity.

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NUSTAR ENERGY L.P. AND SUBSIDIARIES
CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)
7. DERIVATIVES

We utilize various derivative instruments to manage our exposure to interest rate risk and commodity price risk. Our risk management policies and procedures are designed to monitor interest rates, futures and swap positions and over-the-counter positions, as well as physical commodity volumes, grades, locations and delivery schedules, to help ensure that our hedging activities address our market risks. Derivative financial instruments associated with commodity price risk with respect to our petroleum product inventories and related firm commitments to purchase and/or sell such inventories were not material for any periods presented.

We were a party to certain interest rate swap agreements to manage our exposure to changes in interest rates, which included forward-starting interest rate swap agreements that qualified as cash flow hedges prior to their termination. We reclassify the mark-to-market adjustments related to these cash flows hedges that were recorded in “Accumulated other comprehensive loss” (AOCI) into “Interest expense, net” as the underlying forecasted interest payments occur or if the interest payments are probable not to occur. We reclassified losses on cash flow hedges to “Interest expense, net” of $0.5 million and $1.3 million for the three months ended September 30, 2022 and 2021, respectively, and losses of $1.6 million and $4.0 million for the nine months ended September 30, 2022 and 2021, respectively. As of September 30, 2022, we expect to reclassify a loss of $2.3 million to “Interest expense, net” within the next twelve months associated with unwound forward-starting interest rate swaps.

8. SERIES D CUMULATIVE CONVERTIBLE PREFERRED UNITS

Distributions on the Series D Cumulative Convertible Preferred Units (Series D Preferred Units) are payable out of any legally available funds, accrue and are cumulative from the original issuance dates, and are payable on the 15th day (or next business day) of each of March, June, September and December, to holders of record on the first business day of each payment month. The number of Series D Preferred Units issued and outstanding as of September 30, 2022 and December 31, 2021 totaled 23,246,650. The distribution rates on the Series D Preferred Units are as follows: (i) 9.75%, or $57.6 million, per annum ($0.619 per unit per distribution period) for the first two years (beginning with the September 17, 2018 distribution); (ii) 10.75%, or $63.4 million, per annum ($0.682 per unit per distribution period) for years three through five; and (iii) the greater of 13.75%, or $81.1 million, per annum ($0.872 per unit per distribution period) or the distribution per common unit thereafter. While the Series D Preferred Units are outstanding, the Partnership will be prohibited from paying distributions on any junior securities, including the common units, unless full cumulative distributions on the Series D Preferred Units (and any parity securities) have been, or contemporaneously are being, paid or set aside for payment through the most recent Series D Preferred Unit distribution payment date. Any Series D Preferred Unit distributions in excess of $0.635 per unit may be paid, in the Partnership’s sole discretion, in additional Series D Preferred Units, with the remainder paid in cash.

In October 2022, our board of directors declared distributions of $0.682 per Series D Preferred Unit to be paid on December 15, 2022.

9. PARTNERS' EQUITY

Series A, B and C Preferred Units
We allocate net income to our 8.50% Series A, 7.625% Series B and 9.00% Series C Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units (collectively, the Series A, B and C Preferred Units) equal to the amount of distributions earned during the period. Distributions on our Series A, B and C Preferred Units are payable out of any legally available funds, accrue and are cumulative from the original issuance dates, and are payable on the 15th day (or next business day) of each of March, June, September and December of each year to holders of record on the first business day of each payment month.

Information on our Series A, B and C Preferred Units is shown below:
Units
Units Issued and Outstanding as of September 30, 2022
Optional Redemption Date/Date When Distribution Rate Becomes Floating
Floating Annual Rate (as a Percentage of the $25.00 Liquidation Preference per Unit)
Series A Preferred Units9,060,000December 15, 2021
Three-month LIBOR plus 6.766%
Series B Preferred Units15,400,000June 15, 2022
Three-month LIBOR plus 5.643%
Series C Preferred Units6,900,000December 15, 2022
Three-month LIBOR plus 6.88%

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NUSTAR ENERGY L.P. AND SUBSIDIARIES
CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)
Distribution information on our Series A, B and C Preferred Units is as follows:
Series A Preferred UnitsSeries B Preferred UnitsSeries C Preferred Units
Distribution PeriodDistribution Rate per UnitTotal DistributionDistribution Rate per UnitTotal DistributionDistribution Rate per UnitTotal Distribution
(Thousands of Dollars)(Thousands of Dollars)(Thousands of Dollars)
September 15, 2022 - December 14, 2022$0.64059 $5,804 $0.57040 $8,784 $0.56250 $3,881 
June 15, 2022 - September 14, 2022$0.54808 $4,966 $0.47789 $7,360 $0.56250 $3,881 
March 15, 2022 - June 14, 2022$0.47817 $4,332 $0.47657 $7,339 $0.56250 $3,881 
December 15, 2021 - March 14, 2022$0.43606 $3,951 $0.47657 $7,339 $0.56250 $3,881 

In October 2022, our board of directors declared distributions with respect to the Series A, B and C Preferred Units to be paid on December 15, 2022.

Common Limited Partners
We make quarterly distributions to common unitholders of 100% of our “Available Cash,” generally defined as cash receipts less cash disbursements, including distributions to our preferred units, and cash reserves established by the general partner, in its sole discretion. These quarterly distributions are declared and paid within 45 days subsequent to each quarter-end. The common unitholders receive a distribution each quarter as determined by the board of directors, subject to limitation by the distributions in arrears, if any, on our preferred units. In October 2022, our board of directors declared distributions with respect to our common units for the quarter ended September 30, 2022.

The following table summarizes information about cash distributions to our common limited partners applicable to the period in which the distributions were earned:
Quarter EndedCash Distributions
Per Unit
Total Cash
Distributions
Record DatePayment Date
(Thousands of Dollars)
September 30, 2022$0.40 $44,125 November 7, 2022November 14, 2022
June 30, 2022$0.40 $44,128 August 8, 2022August 12, 2022
March 31, 2022$0.40 $44,165 May 9, 2022May 13, 2022
December 31, 2021$0.40 $44,008 February 8, 2022February 14, 2022

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NUSTAR ENERGY L.P. AND SUBSIDIARIES
CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)
Accumulated Other Comprehensive Income (Loss)
The balance of and changes in the components included in AOCI were as follows:
Three Months Ended September 30,
20222021
Foreign Currency TranslationCash Flow HedgesPension and Other Postretirement BenefitsTotalForeign Currency TranslationCash Flow HedgesPension and Other Postretirement BenefitsTotal
(Thousands of Dollars)
Balance as of July 1$(153)$(35,436)$3,417 $(32,172)$(40,311)$(39,467)$(12,514)$(92,292)
Other comprehensive income (loss) before reclassification adjustments15 — — 15 (1,684)— — (1,684)
Net gain on pension costs reclassified into other income, net
— — (422)(422)— — (187)(187)
Net loss on cash flow hedges reclassified into interest expense, net
— 525 — 525 — 1,343 — 1,343 
Other
— — (5)(5)— — 
Other comprehensive income (loss)15 525 (427)113 (1,684)1,343 (185)(526)
Balance as of September 30$(138)$(34,911)$2,990 $(32,059)$(41,995)$(38,124)$(12,699)$(92,818)

Nine Months Ended September 30,
20222021
Foreign
Currency
Translation
Cash Flow
Hedges
Pension and
Other
Postretirement
Benefits
TotalForeign
Currency
Translation
Cash Flow
Hedges
Pension and
Other
Postretirement
Benefits
Total
(Thousands of Dollars)
Balance as of January 1$(41,761)$(36,486)$4,269 $(73,978)$(42,362)$(42,150)$(12,144)$(96,656)
Other comprehensive income before reclassification adjustments1,977 — — 1,977 367 — — 367 
Sale of Point Tupper Terminal Operations reclassified into net income (Note 3)
39,646 — — 39,646 — — — — 
Net gain on pension costs reclassified into other income, net
— — (1,262)(1,262)— — (560)(560)
Net loss on cash flow hedges reclassified into interest expense, net
— 1,575 — 1,575 — 4,026 — 4,026 
Other
— — (17)(17)— — 
Other comprehensive income (loss)41,623 1,575 (1,279)41,919 367 4,026 (555)3,838 
Balance as of September 30$(138)$(34,911)$2,990 $(32,059)$(41,995)$(38,124)$(12,699)$(92,818)

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NUSTAR ENERGY L.P. AND SUBSIDIARIES
CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)
10. NET INCOME (LOSS) PER COMMON UNIT

Basic net income (loss) per common unit is determined pursuant to the two-class method. Under this method, all earnings are allocated to our limited partners and participating securities based on their respective rights to receive distributions earned during the period. Participating securities include restricted units awarded under our long-term incentive plans. We compute basic net income (loss) per common unit by dividing net income (loss) attributable to common units by the weighted-average number of common units outstanding during the period.

We compute diluted net income (loss) per common unit by dividing net income (loss) attributable to common units by the sum of (i) the weighted average number of common units outstanding during the period and (ii) the effect of dilutive potential common units outstanding during the period. Dilutive potential common units may include the Series D Preferred Units.

The Series D Preferred Units contain certain unitholder conversion and redemption features, and we use the if-converted method to calculate the dilutive effect of the conversion or redemption feature that is most advantageous to our Series D preferred unitholders. The effect of the assumed conversion or redemption of the Series D Preferred Units outstanding was antidilutive for each of the three and nine months ended September 30, 2022 and 2021; therefore, we did not include such conversion in the computation of diluted net income (loss) per common unit.

The following table details the calculation of basic and diluted net income (loss) per common unit:
 Three Months Ended September 30,Nine Months Ended September 30,
 2022202120222021
 (Thousands of Dollars, Except Unit and Per Unit Data)
Net income (loss)$59,633 $(124,933)$131,144 $(19,293)
Distributions to preferred limited partners
(32,463)(31,889)(95,078)(95,663)
Distributions to common limited partners(44,125)(43,814)(132,418)(131,462)
Distribution equivalent rights to restricted units(614)(592)(1,864)(1,776)
Distributions in excess of income (loss)$(17,569)$(201,228)$(98,216)$(248,194)
Distributions to common limited partners$44,125 $43,814 $132,418 $131,462 
Allocation of distributions in excess of income (loss)(17,569)(201,228)(98,216)(248,194)
Series D Preferred Unit accretion(4,890)(4,292)(14,205)(12,468)
Net income (loss) attributable to common units$21,666 $(161,706)$19,997 $(129,200)
Basic and diluted weighted-average common units outstanding110,310,921 109,532,381 110,265,359 109,522,849 
Basic and diluted net income (loss) per common unit$0.20 $(1.48)$0.18 $(1.18)

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NUSTAR ENERGY L.P. AND SUBSIDIARIES
CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)
11. SUPPLEMENTAL CASH FLOW INFORMATION

Changes in current assets and current liabilities were as follows:
 Nine Months Ended September 30,
 20222021
 (Thousands of Dollars)
Decrease (increase) in current assets:
Accounts receivable$(8,093)$(10,856)
Inventories984 (733)
Other current assets(3,055)206 
Increase (decrease) in current liabilities:
Accounts payable8,336 9,135 
Accrued interest payable40,271 23,541 
Accrued liabilities(7,610)(7,200)
Taxes other than income tax2,006 1,585 
Changes in current assets and current liabilities$32,839 $15,678 

The above changes in current assets and current liabilities differ from changes between amounts reflected in the applicable consolidated balance sheets due to:
the change in the amount accrued for capital expenditures;
the effect of foreign currency translation;
the effect of accrued compensation expense paid with fully vested common unit awards; and
current assets and current liabilities disposed of during the period.

Cash flows related to interest and income taxes were as follows:
 Nine Months Ended September 30,
 20222021
 (Thousands of Dollars)
Cash paid for interest, net of amount capitalized$105,238 $129,629 
Cash paid for income taxes, net of tax refunds received$4,063 $5,217 

As of September 30, 2022 and December 31, 2021, restricted cash, representing legally restricted funds that are unavailable for general use, is included in "Other long-term assets, net" on the consolidated balance sheets. “Cash, cash equivalents and restricted cash” on the consolidated statements of cash flows is included in the consolidated balance sheets as follows:
September 30, 2022December 31, 2021
(Thousands of Dollars)
Cash and cash equivalents$7,544 $5,637 
Other long-term assets, net8,830 8,802 
Cash, cash equivalents and restricted cash$16,374 $14,439 

12. SEGMENT INFORMATION

Our reportable business segments consist of the pipeline, storage and fuels marketing segments. Our segments represent strategic business units that offer different services and products. We evaluate the performance of each segment based on its respective operating income (loss), before general and administrative expenses and certain non-segmental depreciation and amortization expense. General and administrative expenses are not allocated to the operating segments since those expenses relate primarily to the overall management at the entity level.
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NUSTAR ENERGY L.P. AND SUBSIDIARIES
CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)
Results of operations for the reportable segments were as follows:
 Three Months Ended September 30,Nine Months Ended September 30,
 2022202120222021
 (Thousands of Dollars)
Revenues:
Pipeline$209,008 $196,207 $598,256 $558,341 
Storage78,392 108,142 255,096 335,964 
Fuels marketing125,843 107,996 399,912 306,790 
Consolidation and intersegment eliminations— — (1)(11)
Total revenues$413,243 $412,345 $1,253,263 $1,201,084 
Operating income (loss):
Pipeline$110,365 $40,201 $307,070 $216,092 
Storage22,609 (91,089)38,841 (2,186)
Fuels marketing8,519 949 21,694 5,978 
Total segment operating income (loss)141,493 (49,939)367,605 219,884 
General and administrative expenses27,676 27,365 82,656 79,334 
Other depreciation and amortization expense1,935 1,881 5,582 5,841 
Total operating income (loss)$111,882 $(79,185)$279,367 $134,709 

Total assets by reportable segment were as follows:
September 30, 2022December 31, 2021
 (Thousands of Dollars)
Pipeline$3,393,563 $3,441,272 
Storage1,428,368 1,537,037 
Fuels marketing43,133 41,562 
Total segment assets4,865,064 5,019,871 
Other partnership assets137,916 136,461 
Total consolidated assets$5,002,980 $5,156,332 
 
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Item 2.Management’s Discussion and Analysis of Financial Condition and Results of Operations

Unless otherwise indicated, the terms “NuStar Energy,” “NS,” “the Partnership,” “we,” “our” and “us” are used in this report to refer to NuStar Energy L.P., to one or more of our consolidated subsidiaries or to all of them taken as a whole.

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING INFORMATION
In this Form 10-Q, we make certain forward-looking statements, such as statements regarding our plans, strategies, objectives, expectations, estimates, predictions, projections, assumptions, intentions, resources and the future impact of the coronavirus, or COVID-19, the responses thereto, the Russia-Ukraine conflict, economic activity and the actions by oil producing nations on our business. While these forward-looking statements, and any assumptions upon which they are based, are made in good faith and reflect our current judgment regarding the direction of our business, actual results will almost always vary, sometimes materially, from any estimates, predictions, projections, assumptions or other future performance suggested in this report. These forward-looking statements can generally be identified by the words “anticipates,” “believes,” “expects,” “plans,” “intends,” “estimates,” “forecasts,” “budgets,” “projects,” “will,” “could,” “should,” “may” and similar expressions. These statements reflect our current views with regard to future events and are subject to various risks, uncertainties and assumptions, which may cause actual results to differ materially. Please read Item 1A. “Risk Factors” contained in our Annual Report on Form 10-K for the year ended December 31, 2021, as well as additional information provided from time to time in our subsequent filings with the Securities and Exchange Commission, for a discussion of certain of those risks, uncertainties and assumptions.

If one or more of these risks or uncertainties materialize, or if the underlying assumptions prove incorrect, our actual results may vary materially from those described in any forward-looking statement. Other unknown or unpredictable factors could also have material adverse effects on our future results. Readers are cautioned not to place undue reliance on this forward-looking information, which is as of the date of this Form 10-Q. We do not intend to update these statements unless we are required by the securities laws to do so, and we undertake no obligation to publicly release the result of any revisions to any such forward-looking statements that may be made to reflect events or circumstances after the date of this report or to reflect the occurrence of unanticipated events.

Our Management’s Discussion and Analysis of Financial Condition and Results of Operations is presented in five sections:
Overview, including Trends and Outlook
Results of Operations
Liquidity and Capital Resources
Critical Accounting Policies
New Accounting Pronouncements

OVERVIEW
NuStar Energy L.P. (NYSE: NS) is primarily engaged in the transportation, terminalling and storage of petroleum products and renewable fuels and the transportation of anhydrous ammonia. Our business is managed under the direction of the board of directors of NuStar GP, LLC, the general partner of our general partner, Riverwalk Logistics, L.P., both of which are indirectly wholly owned subsidiaries of ours.

Our operations consist of three reportable business segments: pipeline, storage and fuels marketing. As of September 30, 2022, our assets included 9,970 miles of pipeline and 63 terminal and storage facilities, which provided approximately 49 million barrels of storage capacity. We conduct our operations through our subsidiaries, primarily NuStar Logistics, L.P. (NuStar Logistics) and NuStar Pipeline Operating Partnership L.P. (NuPOP). We generate revenue primarily from:
tariffs for transportation through our pipelines;
fees for the use of our terminal and storage facilities and related ancillary services; and
sales of petroleum products.

The following factors affect the results of our operations:
economic factors and price volatility;
industry factors, such as changes in the prices of petroleum products that affect demand or production, or regulatory changes that could increase costs or impose restrictions on operations;
factors that affect our customers and the markets they serve, such as utilization rates and maintenance turnaround schedules of our refining company customers and drilling activity by our crude oil production customers;
company-specific factors, such as facility integrity issues, maintenance requirements and outages that impact the throughput rates of our assets; and
seasonal factors that affect the demand for products transported by and/or stored in our assets and the demand for products we sell.
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Recent Development
On April 29, 2022, we sold the equity interests in our wholly owned subsidiaries that owned our Point Tupper terminal facility (the Point Tupper Terminal Operations) to EverWind Fuels for $60.0 million (the Point Tupper Terminal Disposition). The terminal facility had a storage capacity of 7.8 million barrels and was included in the storage segment. We recognized a non-cash pre-tax impairment loss of $46.1 million in the first quarter of 2022. Please refer to Note 3 of the Condensed Notes to Consolidated Financial Statements in Item 1. “Financial Statements” for additional information.

Other Events
Eastern U.S. Terminals Disposition. On October 8, 2021, we completed the sale of nine U.S. terminal and storage facilities, including all our North East Terminals and one terminal in Florida (the Eastern U.S. Terminal Operations) to Sunoco LP for $250.0 million (the Eastern U.S. Terminals Disposition). The terminals had an aggregate storage capacity of 14.8 million barrels and were included in the storage segment. We recorded non-cash asset impairment losses of $95.7 million and $34.1 million, respectively, in the third quarter of 2021.

Houston Pipeline Impairment. In the third quarter of 2021, we recorded a non-cash asset impairment charge of $59.2 million within our pipeline segment related to our refined product pipeline extending from Mt. Belvieu, Texas to Corpus Christi, Texas (the Houston Pipeline).

Please refer to Note 3 of the Condensed Notes to Consolidated Financial Statements in Item 1. “Financial Statements” for additional information on the Eastern U.S. Terminals Disposition and the Houston Pipeline impairment.

Trends and Outlook
In 2022, we continue to execute our plan to improve our leverage and strengthen our balance sheet. For the full-year 2022, we expect to fund all of our expenses, distribution requirements and capital expenditures using internally generated cash flows as we did in 2021. We also expect to repurchase as much as one-third of the Series D Preferred Units outstanding by the end of 2022, primarily with borrowings under our revolving credit agreement, and we will continue to evaluate other sources of liquidity to manage the planned redemption of the Series D Preferred Units in 2023 and 2024. We plan to continue to manage our operations with fiscal discipline and to evaluate our capital expenditures as we remain committed to increasing the amount by which our internally generated cash flows exceed our expenses, distribution requirements and capital expenditures, thereby increasing our financial flexibility in 2022 and beyond.

We expect sustained healthy U.S. shale production growth to remain through the end of 2022 from improving global demand as well as supply constraints from the Russia-Ukraine conflict. For the full-year 2022, we expect our Permian Crude System volumes to continue to benefit from strong producer volume growth and the completion of pipeline expansion projects. Prices for motor fuels this year have been, and remain, at higher levels than in previous years and global inflation continues to raise prices for most, if not all, goods and services, which many economists have predicted will increase downward pressure on consumer demand across sectors, which would, in turn, reduce demand for the transportation and storage services we provide. Based on historic performance and current trends, we expect our refined products pipeline systems to continue to perform at or above 100% of our pre-pandemic levels through 2022, due in part to the fact that our systems are located in the mid-continent and Texas where unavailability of alternative modes of transportation makes the demand for motor fuels relatively inelastic, especially in comparison to more densely populated coastal U.S. regions. In addition, we expect our pipeline systems to benefit from the positive revenue impact of our tariff indexation increases effective July 1, 2022, which will help us to counterbalance the impact of inflation on our business.

While many terminals in our storage segment are somewhat insulated from demand volatility due to contracted rates for storage and minimum volume commitments, revenue at our St. James facility, where some contract expirations this year are coinciding with the ongoing economic uncertainty and continued crude price backwardation, has been negatively impacted as some customers have declined to renew until market trends improve. Conversely, we expect our West Coast region to continue to benefit from our recent completion of two more renewable fuel projects, which continues to grow our renewable fuels distribution system and further solidifies the significant role NuStar plays in facilitating California’s transition to low-carbon renewable fuels.

Overall, the lingering impact of the COVID-19 pandemic continues to ripple through the U.S. economy, notably in the form of rising inflation and supply chain issues. The Russia-Ukraine conflict seems to have only amplified inflation and supply chain constraints so far in 2022. The U.S. Federal Reserve has raised interest rates several times in 2022 and is expected to implement additional increases, which will increase the cost of our variable-rate debt. In addition, the distribution rates on our 8.50% Series A, 7.625% Series B and 9.00% Series C Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units have converted, or will convert by year-end 2022, from fixed rates to floating rates that increase or decrease with prevailing interest rates. On the other hand, our ability to pass along rate increases reflecting changes in producer and/or consumer price indices to our customers, under our tariffs and contracts, should help to counterbalance the impact of inflation on our costs.
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Our outlook for the partnership, both overall and for any of our segments, may change, as we base our expectations on our continuing evaluation of several factors, many of which are outside our control. These factors include, but are not limited to, uncertainty surrounding the COVID-19 pandemic and the Russia-Ukraine conflict; uncertainty surrounding future production decisions by the Organization of Petroleum Exporting Countries and other oil-producing nations (OPEC+); the state of the economy and the capital markets; changes to our customers’ refinery maintenance schedules and unplanned refinery downtime; crude oil prices; the supply of and demand for petroleum products, renewable fuels and anhydrous ammonia; demand for our transportation and storage services; the availability and costs of personnel, equipment, supplies and services essential to our operations; the ability to obtain timely permitting approvals; and changes in laws and regulations affecting our operations.

RESULTS OF OPERATIONS
Consolidated Results of Operations

Three Months Ended September 30, 2022 Compared to Three Months Ended September 30, 2021
 Three Months Ended September 30,Change
 20222021
(Unaudited, Thousands of Dollars, Except Per Unit Data)
Statement of Income Data:
Revenues:
Service revenues$277,380 $296,473 $(19,093)
Product sales135,863 115,872 19,991 
Total revenues413,243 412,345 898 
Costs and expenses:
Costs associated with service revenues154,426 166,269 (11,843)
Costs associated with product sales117,324 107,047 10,277 
Goodwill impairment loss— 34,060 (34,060)
Other impairment losses— 154,908 (154,908)
General and administrative expenses27,676 27,365 311 
Other depreciation and amortization expense1,935 1,881 54 
Total costs and expenses301,361 491,530 (190,169)
Operating income (loss)111,882 (79,185)191,067 
Interest expense, net(52,294)(53,513)1,219 
Other income, net1,475 8,450 (6,975)
Income (loss) before income tax expense61,063 (124,248)185,311 
Income tax expense1,430 685 745 
Net income (loss)$59,633 $(124,933)$184,566 
Basic and diluted net income (loss) per common unit$0.20 $(1.48)$1.68 

Consolidated Overview. We recorded net income of $59.6 million for the three months ended September 30, 2022, compared to a net loss of $124.9 million for the three months ended September 30, 2021, mainly due to non-cash asset and goodwill impairment losses related to our Eastern U.S. Terminal Operations of $95.7 million and $34.1 million, respectively, and a non-cash asset impairment loss of $59.2 million on our Houston Pipeline, all in the third quarter of 2021.

Other income, net decreased $7.0 million for the three months ended September 30, 2022, compared to the three months ended September 30, 2021, primarily due to a gain of $9.4 million in the third quarter of 2021 for insurance recoveries related to the 2019 Selby terminal fire, partially offset by foreign exchange rate fluctuations of $2.3 million.


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Nine Months Ended September 30, 2022 Compared to Nine Months Ended September 30, 2021
Nine Months Ended September 30,Change
 20222021
(Unaudited, Thousands of Dollars, Except Per Unit Data)
Statement of Income Data:
Revenues:
Service revenues$820,752 $869,144 $(48,392)
Product sales432,511 331,940 100,571 
Total revenues1,253,263 1,201,084 52,179 
Costs and expenses:
Costs associated with service revenues461,319 491,431 (30,112)
Cost associated with product sales378,217 300,801 77,416 
Goodwill impairment loss— 34,060 (34,060)
Other impairment losses46,122 154,908 (108,786)
General and administrative expenses82,656 79,334 3,322 
Other depreciation and amortization expense5,582 5,841 (259)
Total costs and expenses973,896 1,066,375 (92,479)
Operating income279,367 134,709 144,658 
Interest expense, net(153,053)(162,211)9,158 
Other income, net7,158 11,744 (4,586)
Income (loss) before income tax expense133,472 (15,758)149,230 
Income tax expense2,328 3,535 (1,207)
Net income (loss)$131,144 $(19,293)$150,437 
Basic and diluted net income (loss) per common unit$0.18 $(1.18)$1.36 

Consolidated Overview. We recorded net income of $131.1 million for the nine months ended September 30, 2022, compared to a net loss of $19.3 million for the nine months ended September 30, 2021, mainly due to non-cash asset and goodwill impairment losses related to our Eastern U.S. Terminal Operations of $95.7 million and $34.1 million, respectively, and a non-cash asset impairment loss of $59.2 million on our Houston Pipeline in the third quarter of 2021. Additionally, for the nine months ended September 30, 2022, we recorded a non-cash pre-tax impairment loss of $46.1 million related to our Point Tupper Terminal Operations.

Corporate Items. General and administrative expenses increased $3.3 million for the nine months ended September 30, 2022, compared to the nine months ended September 30, 2021, mainly due to an increase in business travel and employee-related expenses of $2.2 million following post-COVID-19 return to work, and an increase in compensation costs of $1.3 million.

Interest expense, net, decreased $9.2 million for the nine months ended September 30, 2022, compared to the nine months ended September 30, 2021, primarily due to lower overall debt balances, partially offset by higher interest expense on our variable-rate debt due to higher interest rates in 2022.

Other income, net decreased $4.6 million for the nine months ended September 30, 2022, compared to the nine months ended September 30, 2021, mainly due to a gain of $9.4 million in the third quarter of 2021 for insurance recoveries related to the 2019 Selby terminal fire, partially offset by $2.6 million in foreign exchange rate fluctuations and a gain of $1.6 million on the sale of the Point Tupper Terminal Operations in the second quarter of 2022.

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Pipeline Segment
As of September 30, 2022, our pipeline assets consist of 9,970 miles of pipeline with 33 terminals and 13.0 million barrels of storage capacity. Our Central West System includes 3,215 miles of refined product pipelines and 2,255 miles of crude oil pipelines. In addition, our Central East System includes 2,500 miles of refined product pipelines, consisting of the East and North Pipelines, and a 2,000-mile ammonia pipeline (the Ammonia Pipeline). We charge tariffs on a per barrel basis for transportation in our refined product and crude oil pipelines and on a per ton basis for transportation in the Ammonia Pipeline. Throughputs on the Ammonia Pipeline are converted from tons to barrels for reporting purposes only. Other revenues include product sales of surplus pipeline loss allowance (PLA) volumes.

Houston Pipeline Impairment. In the third quarter of 2021, we recorded a non-cash asset impairment charge of $59.2 million related to the southern section of our Houston Pipeline.

Three Months Ended September 30, 2022 Compared to Three Months Ended September 30, 2021
 Three Months Ended September 30,Change
 20222021
(Thousands of Dollars, Except Barrels/Day Information)
Pipeline Segment:
Crude oil pipelines throughput (barrels/day)1,335,336 1,374,909 (39,573)
Refined products and ammonia pipelines throughput (barrels/day)560,202 599,423 (39,221)
Total throughput (barrels/day)1,895,538 1,974,332 (78,794)
Throughput and other revenues$209,008 $196,207 $12,801 
Operating expenses53,837 51,303 2,534 
Depreciation and amortization expense44,806 45,506 (700)
Impairment loss— 59,197 (59,197)
Segment operating income$110,365 $40,201 $70,164 

Pipeline segment revenues increased $12.8 million, despite a decrease in throughputs of 78,794 barrels per day for the three months ended September 30, 2022, compared to the three months ended September 30, 2021. The following pipelines contributed favorably to both revenues and throughputs:
an increase in revenues of $17.8 million and an increase in throughputs of 76,629 barrels per day on our Permian Crude System, mainly due to increased customer production supplying this system in the third quarter of 2022. The increase in revenues included an increase of $3.8 million due to higher commodity prices on PLA volumes sold in the third quarter of 2022, compared to the third quarter of 2021;
an increase in revenues of $2.6 million and an increase in throughputs of 11,575 barrels per day on our Three Rivers System, mainly due to an increase in demand in the markets served by our Nuevo Laredo and San Antonio pipelines in the third quarter of 2022; and
an increase in revenues of $2.1 million and an increase in throughputs of 8,024 barrels per day on our Valley Pipeline, mainly due to higher demand in the markets served by this pipeline in the third quarter of 2022.

However, these increases were partially offset by the following:
a decrease in revenues of $5.7 million and a decrease in throughputs of 80,389 barrels per day on our McKee System pipelines due to a planned turnaround at a customer’s refinery in the third quarter of 2022; and
a decrease in revenues of $3.5 million and a decrease in throughputs of 8,536 barrels per day on our Ammonia Pipeline, mainly due to scheduled maintenance on our pipeline.

Additionally, throughputs decreased 80,145 barrels per day for the three months ended September 30, 2022, compared to the three months ended September 30, 2021, on our Corpus Christi Crude Pipeline System due to unfavorable market conditions, while revenues increased $0.8 million, as minimum volume commitments kept revenues comparable to the same period last year.

Operating expenses increased $2.5 million for the three months ended September 30, 2022, compared to the three months ended September 30, 2021, primarily due to an increase in compensation expense of $1.2 million spread across various pipelines, and increases in ad valorem taxes of $0.8 million and power costs of $0.6 million, mainly on our Permian Crude System.

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Nine Months Ended September 30, 2022 Compared to Nine Months Ended September 30, 2021
 Nine Months Ended September 30,Change
 20222021
(Thousands of Dollars, Except Barrels/Day Information)
Pipeline Segment:
Crude oil pipelines throughput (barrels/day)1,288,489 1,241,152 47,337 
Refined products and ammonia pipelines throughput (barrels/day)568,533 572,040 (3,507)
Total throughput (barrels/day)1,857,022 1,813,192 43,830 
Throughput and other revenues$598,256 $558,341 $39,915 
Operating expenses157,110 147,762 9,348 
Depreciation and amortization expense134,076 135,290 (1,214)
Impairment loss— 59,197 (59,197)
Segment operating income$307,070 $216,092 $90,978 

Pipeline segment revenues increased $39.9 million and throughputs increased 43,830 barrels per day for the nine months ended September 30, 2022, compared to the nine months ended September 30, 2021. Results for the first quarter of 2021 were negatively affected by Winter Storm Uri, which brought snow and damaging ice and caused widespread power outages in Texas and surrounding states in February 2021, as well as the lingering effects of COVID-19 restrictions. However, by the second quarter of 2021, demand had largely recovered to pre-pandemic levels. Revenues and throughputs primarily increased due to the following:
an increase in revenues of $44.6 million and an increase in throughputs of 88,167 barrels per day on our Permian Crude System, mainly due to increased customer production supplying this system and the completion of pipeline expansion projects, as well as the negative impacts on the first quarter of 2021 described above. The increase in revenues included an increase of $11.1 million due to higher commodity prices on PLA volumes and a $4.4 million adjustment to deferred revenue in the second quarter of 2022 resulting from higher expected tariff revenue on certain incentive pricing contracts;
an increase in revenues of $4.7 million and an increase in throughputs of 11,040 barrels per day on our Three Rivers System, mainly due to an increase in demand in the markets served by our Nuevo Laredo and San Antonio pipelines in 2022 and the negative impacts on the first quarter of 2021 described above; and
an increase in revenues of $2.9 million and an increase in throughputs of 3,907 barrels per day on our Valley Pipeline, mainly due to higher demand in the markets served by this pipeline in 2022.

However, these increases were partially offset by the following:
a decrease in revenues of $5.0 million and a decrease in throughputs of 30,545 barrels per day on our McKee System pipelines due to operational issues at a customer’s refinery in 2022, including a planned turnaround in the third quarter of 2022, which had an even greater negative impact than the first quarter of 2021 impacts described above;
a decrease in revenues of $3.4 million and a decrease in throughputs of 3,614 barrels per day on our Ammonia Pipeline, mainly due to scheduled maintenance on our pipeline in the third quarter of 2022;
a decrease in revenues of $2.1 million and a decrease in throughputs of 2,556 barrels per day on our East Pipeline, mainly due to a decline in PLA volumes sold;
a decrease in revenues of $1.7 million and a decrease in throughputs of 2,826 barrels per day on our North Pipeline, mainly due to operational issues at a customer’s refinery in the first half of 2022; and
a decrease in throughputs of 32,330 barrels per day on our Corpus Christi Crude Pipeline System, mainly due to unfavorable market conditions, while minimum volume commitments kept revenues comparable to the same period last year.

Additionally, revenues decreased $1.7 million on the Ardmore System for the nine months ended September 30, 2022, compared to the nine months ended September 30, 2021, mainly due to the expiration of a customer contract at the end of the first quarter of 2021; although throughputs increased 9,580 barrels per day due to the negative impacts in the first quarter of 2021 described above, these higher throughputs did not offset the decrease in revenues as more barrels were moved at lower average tariffs in 2022.

Operating expenses increased $9.3 million for the nine months ended September 30, 2022, compared to the nine months ended September 30, 2021, mainly due to an increase in power costs of $4.8 million, primarily on our Permian Crude System and
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various refined product pipelines, and an increase in maintenance and regulatory expenses of $3.1 million across various pipelines.

Storage Segment
Our storage segment is comprised of our facilities that provide storage, handling and other services for refined products, crude oil, specialty chemicals, renewable fuels and other liquids. As of September 30, 2022, we owned and operated 29 terminal and storage facilities in the U.S. and one terminal in Nuevo Laredo, Mexico, with an aggregate storage capacity of 36.3 million barrels. Revenues for the storage segment include fees for tank storage agreements, under which a customer agrees to pay for a certain amount of storage in a tank over a period of time (storage terminal revenues), and throughput agreements, under which a customer pays a fee per barrel for volumes moved through our terminals (throughput terminal revenues).

Point Tupper Terminal Disposition. In the first quarter of 2022, we recorded a non-cash pre-tax impairment loss of $46.1 million related to our Point Tupper Terminal Operations, which were sold on April 29, 2022.

Selby Terminal Fire. We recognized a gain from business interruption insurance of $4.0 million in the first quarter of 2021, which is included in “Operating expenses” in the storage segment operating loss and relates to a fire in October 2019 at our terminal facility in Selby, California.

Eastern U.S. Terminals Disposition. In the third quarter of 2021, we recorded non-cash asset and goodwill impairment losses of $95.7 million and $34.1 million, respectively, related to the Eastern U.S. Terminal Operations, which were sold on October 8, 2021.

Three Months Ended September 30, 2022 Compared to Three Months Ended September 30, 2021
 Three Months Ended September 30,Change
 20222021
(Thousands of Dollars, Except Barrels/Day Information)
Storage Segment:
Throughput (barrels/day)439,239 462,094 (22,855)
Throughput terminal revenues$26,933 $30,771 $(3,838)
Storage terminal revenues51,459 77,371 (25,912)
Total revenues78,392 108,142 (29,750)
Operating expenses37,449 48,840 (11,391)
Depreciation and amortization expense18,334 20,620 (2,286)
Goodwill impairment loss— 34,060 (34,060)
Other impairment loss— 95,711 (95,711)
Segment operating income (loss)$22,609 $(91,089)$113,698 

Throughput terminal revenues decreased $3.8 million for the three months ended September 30, 2022, compared to the three months ended September 30, 2021, primarily due to a decrease in revenues at our Corpus Christi North Beach terminal. Consistent with lower volumes from our Corpus Christi Crude Pipeline System and a reduction in minimum volume commitments, revenues at the terminal were lower due to a decline in export demand.

Throughputs decreased 22,855 barrels per day for the three months ended September 30, 2022, compared to the three months ended September 30, 2021, primarily due to the following:
a decrease in throughputs of 11,267 barrels per day at our Corpus Christi North Beach terminal due to lower volumes moved over our docks in the third quarter of 2022; and
a decrease in throughputs of 11,588 barrels per day at our Central West terminals due to a planned turnaround at a customer’s refinery in the third quarter of 2022, while revenues remained flat, mainly due to higher reimbursable revenues at certain terminals.


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Storage terminal revenues decreased $25.9 million for the three months ended September 30, 2022, compared to the three months ended September 30, 2021, primarily due to the following:
an aggregate decrease in revenues of $23.6 million due to the Eastern U.S. Terminals Disposition in October 2021 and the Point Tupper Terminal Disposition in April 2022; and
a decrease in revenues of $7.8 million at our St. James terminal due to customers not renewing expiring contracts in the current backwardated market.

These decreases were partially offset by an increase in revenues of $4.9 million at our West Coast Terminals, mainly due to new contracts and higher throughput and handling fees.

Operating expenses decreased $11.4 million for the three months ended September 30, 2022, compared to the three months ended September 30, 2021, primarily due to an aggregate decrease in operating expenses of $15.1 million due to the Eastern U.S. Terminals Disposition in October 2021 and the Point Tupper Terminal Disposition in April 2022. This decrease was partially offset by an increase in maintenance and regulatory expenses of $1.2 million, mainly at our St. James terminal.

Depreciation and amortization expense decreased $2.3 million for the three months ended September 30, 2022, compared to the three months ended September 30, 2021, mainly due to the Eastern U.S. Terminals Disposition in October 2021 and the Point Tupper Terminal Disposition in April 2022.

Nine Months Ended September 30, 2022 Compared to Nine Months Ended September 30, 2021
 Nine Months Ended September 30,Change
 20222021
(Thousands of Dollars, Except Barrels/Day Information)
Storage Segment:
Throughput (barrels/day)410,594 416,288 (5,694)
Throughput terminal revenues$84,303 $90,708 $(6,405)
Storage terminal revenues170,793 245,256 (74,463)
Total revenues255,096 335,964 (80,868)
Operating expenses115,526 140,161 (24,635)
Depreciation and amortization expense54,607 68,218 (13,611)
Goodwill impairment loss— 34,060 (34,060)
Other impairment losses46,122 95,711 (49,589)
Segment operating income (loss)$38,841 $(2,186)$41,027 

Throughput terminal revenues decreased $6.4 million for the nine months ended September 30, 2022, compared to the nine months ended September 30, 2021, primarily due to a decrease in revenues at our Corpus Christi North Beach terminal. Consistent with lower volumes from our Corpus Christi Crude Pipeline System and a reduction in minimum volume commitments, revenues at the terminal were lower due to a decline in export demand, as well as the timing of recognizing minimum volume commitment settlements with customers. The decrease in throughputs of 5,694 barrels per day for the nine months ended September 30, 2022, compared to the nine months ended September 30, 2021, was mainly due to a decrease in throughputs of 8,299 barrels per day at our Central West Terminals, primarily due to a turnaround and operating issues at a customer’s refinery in 2022, while revenues remained flat, mainly due to higher reimbursable revenues at certain terminals.

Storage terminal revenues decreased $74.5 million for the nine months ended September 30, 2022, compared to the nine months ended September 30, 2021, primarily due to the following:
an aggregate decrease in revenues of $66.1 million due to the Eastern U.S. Terminals Disposition in October 2021 and the Point Tupper Terminal Disposition in April 2022; and
a decrease in revenues of $15.8 million at our St. James terminal due to customers not renewing expiring contracts in the current backwardated market.


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These decreases were partially offset by the following:
an increase in revenues of $5.5 million at our West Coast Terminals, mainly at our Portland and Stockton terminals, primarily due to new contracts and higher throughput and handling fees;
an increase in revenues of $1.3 million at our Central West Terminals, mainly due to higher throughput and handling fees and rate escalations; and
an increase in revenues of $1.2 million due to rate escalations on our refinery storage tanks.

Operating expenses decreased $24.6 million for the nine months ended September 30, 2022, compared to the nine months ended September 30, 2021, primarily due to an aggregate decrease in operating expenses of $39.1 million due to the Eastern U.S. Terminals Disposition in October 2021 and the Point Tupper Terminal Disposition in April 2022. This decrease was partially offset by the following:
a $4.0 million recovery in the first quarter of 2021 for business interruption insurance related to the 2019 Selby terminal fire;
increases in maintenance and regulatory expenses of $3.0 million and reimbursable expenses of $1.7 million, mainly at our St. James terminal; and
increases in compensation expense of $1.5 million, power costs of $1.2 million and ad valorem taxes of $1.1 million.

Depreciation and amortization expense decreased $13.6 million for the nine months ended September 30, 2022, compared to the nine months ended September 30, 2021, mainly due to the Eastern U.S. Terminals Disposition in October 2021 and the Point Tupper Terminal Disposition in April 2022.

Fuels Marketing Segment
The fuels marketing segment mainly includes our bunkering operations in the Gulf Coast, as well as certain of our blending operations associated with our Central East System. The results of operations for the fuels marketing segment depend largely on the margin between our costs and the sales prices of the products we market. Therefore, the results of operations for this segment are more sensitive to changes in commodity prices compared to the operations of the pipeline and storage segments. We enter into derivative contracts to attempt to mitigate the effects of commodity price fluctuations. The financial impacts of the derivative financial instruments associated with commodity price risk were not material for any periods presented.

Three Months Ended September 30, 2022 Compared to Three Months Ended September 30, 2021
 Three Months Ended September 30,Change
 20222021
(Thousands of Dollars)
Fuels Marketing Segment:
Product sales$125,843 $107,996 $17,847 
Cost of goods116,763 106,478 10,285 
Gross margin9,080 1,518 7,562 
Operating expenses561 569 (8)
Segment operating income$8,519 $949 $7,570 

Segment operating income increased $7.6 million for the three months ended September 30, 2022, compared to the three months ended September 30, 2021, due to an increase of $4.2 million in gross margins from our blending and other product sales and an increase of $3.4 million in gross margins from our bunkering operations, both driven by higher fuel prices on product sales.

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Nine Months Ended September 30, 2022 Compared to Nine Months Ended September 30, 2021
 Nine Months Ended September 30,Change
 20222021
(Thousands of Dollars)
Fuels Marketing Segment:
Product sales$399,912 $306,790 $93,122 
Cost of goods376,627 300,944 75,683 
Gross margin23,285 5,846 17,439 
Operating expenses1,591 (132)1,723 
Segment operating income$21,694 $5,978 $15,716 

Segment operating income increased $15.7 million for the nine months ended September 30, 2022, compared to the nine months ended September 30, 2021, mainly due to an increase of $11.1 million in gross margins from our bunkering operations and an increase of $5.8 million in gross margins from our blending and other product sales, both driven by higher fuel prices on product sales. Operating expenses increased $1.7 million for the nine months ended September 30, 2022, compared to the nine months ended September 30, 2021, as we received a settlement of $1.7 million in the first quarter of 2021 for a credit loss that was previously written off.

LIQUIDITY AND CAPITAL RESOURCES
OVERVIEW
Our primary cash requirements are for distributions to our partners, debt service, capital expenditures and operating expenses. Our partnership agreement requires that we distribute all “Available Cash” to our common limited partners each quarter. “Available Cash” is defined in the partnership agreement generally as cash on hand at the end of the quarter, plus certain permitted borrowings made subsequent to the end of the quarter, less cash reserves determined by our board of directors, subject to requirements for distributions for our preferred units. We may maintain our distribution level with other sources of Available Cash, as provided in our partnership agreement, including borrowings under our revolving credit agreement and proceeds from the sales of assets.

Prior to 2021, we funded our strategic capital expenditures primarily from borrowings under our revolving credit agreement, funds raised through debt or equity offerings and/or sales of non-strategic assets. However, our ability to raise funds by issuing debt or equity depends on many factors beyond our control. Our risk factors in Item 1A. “Risk Factors” of our Annual Report on Form 10-K for the year ended December 31, 2021 describe the risks inherent to these sources of funding and the availability thereof.

In 2022, we continued to prioritize liquidity by extending the maturity on our $1.0 billion revolving credit agreement to April 27, 2025, extending the scheduled termination date on our $100.0 million receivables financing agreement to January 31, 2025 and selling our Point Tupper terminal facility. For the full-year 2022, we expect to fund all of our expenses, distribution requirements and capital expenditures using internally generated cash flows as we did for 2021.

Beyond 2022, absent a return of access to the equity capital markets, we plan to continue to fund our expenses, distribution requirements and capital expenditures with internally generated cash flows, which could include proceeds from asset dispositions. We have no long-term debt maturities until 2025, and we expect to be able to access debt capital markets to refinance those maturities. Our Series D Cumulative Convertible Preferred Units (Series D Preferred Units) become redeemable, at our option, beginning in 2023, which coincides with an increase in the distribution rate of those units.

Beginning in 2028, the holders of the Series D Preferred Units have the option to require us to redeem their units, and we have taken steps to position ourselves to repurchase or redeem the Series D Preferred Units in advance of the possible mandatory redemption. By reducing our leverage, primarily through the disposition of non-strategic assets in recent years, and continuing to increase the amount by which our internally generated cash flows exceed our expenses, distribution requirements and capital expenditures, we are increasing our financial flexibility. We are now in discussions with the holders of the Series D Preferred Units to repurchase as much as one-third of the Series D Preferred Units outstanding by the end of this year, redeem another one-third of the units in 2023, and redeem the remainder of the units in 2024, which is several years ahead of the holders’ redemption option in 2028. As we reduce our leverage, availability under our revolving credit agreement has continued to increase, and we expect to fund the repurchase of Series D Preferred Units at the end of 2022 primarily with borrowings under our revolving credit agreement. We will also continue to evaluate other sources of liquidity to manage the planned redemption of the Series D Preferred Units in 2023 and 2024.
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CASH FLOWS FOR THE NINE MONTHS ENDED SEPTEMBER 30, 2022 AND 2021
The following table summarizes our cash flows from operating, investing and financing activities (please refer to our Consolidated Statements of Cash Flows in Item 1. “Financial Statements”):
 Nine Months Ended September 30,
 20222021
 (Thousands of Dollars)
Net cash provided by (used in):
Operating activities$413,778 $407,099 
Investing activities(55,705)(126,719)
Financing activities(356,888)(426,239)
Effect of foreign exchange rate changes on cash750 183 
Net increase (decrease) in cash, cash equivalents and restricted cash$1,935 $(145,676)

Net cash provided by operating activities increased $6.7 million for the nine months ended September 30, 2022, compared to the nine months ended September 30, 2021, mainly due to changes in working capital. Generally, working capital requirements are affected by our accounts receivable, accounts payable and accrued interest payable balances, which vary depending on the timing of payments. Our working capital decreased $32.8 million for the nine months ended September 30, 2022, and $15.7 million for the nine months ended September 30, 2021, mainly due to changes in the timing of payments related to accrued interest payable due to the repayment of senior notes in February and November 2021. Cash flows from operating activities for the nine months ended September 30, 2021 include $19.1 million of insurance proceeds related to cleanup costs and business interruption for the 2019 Selby terminal fire.

Net cash used in investing activities decreased by $71.0 million for the nine months ended September 30, 2022, compared to the nine months ended September 30, 2021, primarily due to proceeds from asset sales of $59.6 million in 2022 and a decrease in capital expenditures of $19.5 million. Partially offsetting the overall decrease, we received insurance proceeds related to the 2019 Selby terminal fire of $5.8 million for the nine months ended September 30, 2022, compared to $9.4 million for the nine months ended September 30, 2021.

Net cash used in financing activities decreased $69.4 million for the nine months ended September 30, 2022, compared to the nine months ended September 30, 2021, mainly due to a decrease in net debt repayments. For the nine months ended September 30, 2022, we had net debt repayments of $117.9 million, compared to $194.4 million in net debt repayments for the nine months ended September 30, 2021, due to the timing of asset sales as proceeds were used to repay debt borrowings.

SOURCES OF LIQUIDITY
Revolving Credit Agreement
On January 28, 2022, we amended and restated our unsecured $1.0 billion revolving credit agreement (the Revolving Credit Agreement) primarily to: (i) extend the maturity date from October 27, 2023 to April 27, 2025; (ii) increase the maximum amount of letters of credit capable of being issued from $400.0 million to $500.0 million; (iii) replace LIBOR benchmark provisions with customary secured overnight financing rate, or SOFR, benchmark provisions; (iv) remove the 0.50x increase permitted in our consolidated debt coverage ratio for certain rolling periods in which an acquisition for aggregate net consideration of at least $50.0 million occurs; and (v) add baskets and exceptions to certain negative covenants. Following the amendment, borrowings under the Revolving Credit Agreement bear interest, at our option, at an alternate base rate or a SOFR rate, each as defined in the Revolving Credit Agreement.

The Revolving Credit Agreement is subject to maximum consolidated debt coverage ratio and minimum consolidated interest coverage ratio requirements, which may limit the amount we can borrow to an amount that is less than the total amount available for borrowing. For a rolling period of four quarters, the consolidated debt coverage ratio (as defined in the Revolving Credit Agreement) cannot exceed 5.00-to-1.00, and the consolidated interest coverage ratio (as defined in the Revolving Credit Agreement) must not be less than 1.75-to-1.00. As of September 30, 2022, our consolidated debt coverage ratio was 3.79x and our consolidated interest coverage ratio was 2.14x. As of September 30, 2022, we had $993.3 million available for borrowing. Letters of credit issued under the Revolving Credit Agreement totaled $4.7 million as of September 30, 2022 and limit the amount we can borrow under the Revolving Credit Agreement.
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Receivables Financing Agreement
NuStar Energy and NuStar Finance LLC (NuStar Finance), a special purpose entity and wholly owned subsidiary of NuStar Energy, are parties to a $100.0 million receivables financing agreement with a third-party lender (the Receivables Financing Agreement) and agreements with certain of NuStar Energy’s wholly owned subsidiaries. As of September 30, 2022, $123.4 million of our accounts receivable was included in the Securitization Program and the amount of borrowings outstanding under the Receivables Financing Agreement totaled $74.4 million. The amount available for borrowing under the Receivables Financing Agreement is based on the availability of eligible receivables and other customary factors and conditions.

On January 28, 2022, the Receivables Financing Agreement was amended primarily to: (i) extend the scheduled termination date from September 20, 2023 to January 31, 2025; (ii) reduce the floor rate in the calculation of our borrowing rates; and (iii) replace provisions related to the LIBOR rate of interest with references to SOFR rates of interest. Following the amendment, borrowings under the Receivables Financing Agreement bear interest, at NuStar Finance’s option, at a base rate or a SOFR rate, each as defined in the Receivables Financing Agreement.
The interest rate on the Revolving Credit Agreement and certain fees under the Receivables Financing Agreement are the only debt arrangements that are subject to adjustment if our debt rating is downgraded (or upgraded) by certain credit rating agencies. Please refer to Note 5 of the Condensed Notes to Consolidated Financial Statements in Item 1. “Financial Statements” for further discussion of certain of our debt agreements.
Asset Sales
We utilized the proceeds from asset sales, including the sale of our Point Tupper terminal facility on April 29, 2022, to reduce debt and thereby improve our debt metrics.

MATERIAL CASH REQUIREMENTS
Capital Expenditures
Our operations require significant investments to maintain, upgrade or enhance the operating capacity of our existing assets. Our capital expenditures consist of:
strategic capital expenditures, such as those to expand or upgrade the operating capacity, increase efficiency or increase the earnings potential of existing assets, whether through construction or acquisition, as well as certain capital expenditures related to support functions; and
reliability capital expenditures, such as those required to maintain the current operating capacity of existing assets or extend their useful lives, as well as those required to maintain equipment reliability and safety.

The following table summarizes our capital expenditures:
Strategic Capital ExpendituresReliability Capital
Expenditures
Total
(Thousands of Dollars)
For the nine months ended September 30:
2022$86,780 $24,657 $111,437 
2021$102,728 $28,238 $130,966 
Expected for the year ended December 31, 2022$105,000 - 125,000$30,000 - 40,000

Strategic capital expenditures for the nine months ended September 30, 2022 and 2021 mainly consisted of expansion projects on our Permian Crude System and Central West Refined Products Pipelines, as well as our West Coast bio-fuels terminal projects. Reliability capital expenditures for the nine months ended September 30, 2022 and 2021 primarily related to maintenance upgrade projects at our terminals. We continue to evaluate our capital budget and internal growth projects can be accelerated or scaled back depending on market conditions or customer demand.

Pension Plan Contributions
In September 2022, we contributed $5.0 million to our pension plan.

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Distributions
Preferred Units. Distributions on our preferred units are payable out of any legally available funds, accrue and are cumulative from the original issuance dates, and are payable on the 15th day (or next business day) of each of March, June, September and December of each year to holders of record on the first business day of each payment month.

Information on our 8.50% Series A, 7.625% Series B and 9.00% Series C Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units (collectively, the Series A, B and C Preferred Units) is shown below:
Units
Units Issued and Outstanding as of September 30, 2022
Optional Redemption Date/Date When Distribution Rate Becomes Floating
Floating Annual Rate (as a Percentage of the $25.00 Liquidation Preference per Unit)
Series A Preferred Units9,060,000December 15, 2021
Three-month LIBOR plus 6.766%
Series B Preferred Units15,400,000June 15, 2022
Three-month LIBOR plus 5.643%
Series C Preferred Units6,900,000December 15, 2022
Three-month LIBOR plus 6.88%

Distribution information on our Series A, B and C Preferred Units is as follows:
Series A Preferred UnitsSeries B Preferred UnitsSeries C Preferred Units
Distribution PeriodDistribution Rate per UnitTotal DistributionDistribution Rate per UnitTotal DistributionDistribution Rate per UnitTotal Distribution
(Thousands of Dollars)(Thousands of Dollars)(Thousands of Dollars)
September 15, 2022 - December 14, 2022$0.64059 $5,804 $0.57040 $8,784 $0.56250 $3,881 
June 15, 2022 - September 14, 2022$0.54808 $4,966 $0.47789 $7,360 $0.56250 $3,881 
March 15, 2022 - June 14, 2022$0.47817 $4,332 $0.47657 $7,339 $0.56250 $3,881 
December 15, 2021 - March 14, 2022$0.43606 $3,951 $0.47657 $7,339 $0.56250 $3,881 

The distribution rates on the Series D Cumulative Convertible Preferred Units (Series D Preferred Units) are as follows: (i) 9.75%, or $57.6 million, per annum ($0.619 per unit per distribution period) for the first two years (beginning with the September 17, 2018 distribution); (ii) 10.75%, or $63.4 million, per annum ($0.682 per unit per distribution period) for years three through five; and (iii) the greater of 13.75%, or $81.1 million, per annum ($0.872 per unit per distribution period) or the distribution per common unit thereafter. The number of Series D Preferred Units issued and outstanding as of September 30, 2022 and December 31, 2021 totaled 23,246,650. While the Series D Preferred Units are outstanding, the Partnership will be prohibited from paying distributions on any junior securities, including the common units, unless full cumulative distributions on the Series D Preferred Units (and any parity securities) have been, or contemporaneously are being, paid or set aside for payment through the most recent Series D Preferred Unit distribution payment date. Any Series D Preferred Unit distributions in excess of $0.635 may be paid, in the Partnership’s sole discretion, in additional Series D Preferred Units, with the remainder paid in cash.

In October 2022, our board of directors declared distributions with respect to the Series A, B and C Preferred Units and the Series D Preferred Units to be paid on December 15, 2022.

Common Units. Distribution payments are made to our common limited partners within 45 days after the end of each quarter as of a record date that is set after the end of each quarter. In October 2022, our board of directors declared distributions with respect to our common units for the quarter ended September 30, 2022. The following table summarizes information about quarterly cash distributions to our common limited partners applicable to the period in which the distributions were earned:
Quarter EndedCash Distributions
Per Unit
Total Cash
Distributions
Record DatePayment Date
(Thousands of Dollars)
September 30, 2022$0.40 $44,125 November 7, 2022November 14, 2022
June 30, 2022$0.40 $44,128 August 8, 2022August 12, 2022
March 31, 2022$0.40 $44,165 May 9, 2022May 13, 2022
December 31, 2021$0.40 $44,008 February 8, 2022February 14, 2022
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Series D Preferred Units Conversion and Redemption Features
Each holder of Series D Preferred Units may convert all or any portion of its Series D Preferred Units into common units on a one-for-one basis, subject to certain restrictions and adjustments.

We may redeem all or any portion of the 23,246,650 Series D Preferred Units issued and outstanding in an amount not less than $50.0 million for cash at a redemption price equal to, as applicable: (i) $31.73 per Series D Preferred Unit, or up to $737.6 million, at any time on or after June 29, 2023 but prior to June 29, 2024; (ii) $30.46 per Series D Preferred Unit, or up to $708.1 million, at any time on or after June 29, 2024 but prior to June 29, 2025; (iii) $29.19 per Series D Preferred Unit, or up to $678.6 million, at any time on or after June 29, 2025; plus, in each case, the sum of any unpaid distributions on the applicable Series D Preferred Unit plus the distributions prorated for the number of days elapsed (not to exceed 90) in the period of redemption (Series D Partial Period Distributions).

Additionally, at any time on or after June 29, 2028, each holder of Series D Preferred Units will have the right to require us to redeem all of the Series D Preferred Units held by such holder at a redemption price equal to $29.19 per Series D Preferred Unit, or approximately $678.6 million if all Series D Preferred Units are tendered, plus any unpaid Series D distributions plus the Series D Partial Period Distributions. If a holder of Series D Preferred Units exercises its redemption right, we may elect to pay up to 50% of such amount in common units (which shall be valued at 93% of a volume-weighted average trading price of the common units); provided, that the common units to be issued do not, in the aggregate, exceed 15% of NuStar Energy’s common equity market capitalization at the time.

Debt Obligations
The following table summarizes our debt obligations:
 Maturity
Outstanding Obligations
as of September 30, 2022
 (Thousands of Dollars)
Receivables Financing Agreement, 4.7% as of September 30, 2022
January 31, 2025$74,400 
Revolving Credit Agreement, 7.8% as of September 30, 2022
April 27, 2025$2,000 
5.75% senior notesOctober 1, 2025$600,000 
6.00% senior notesJune 1, 2026$500,000 
5.625% senior notesApril 28, 2027$550,000 
6.375% senior notesOctober 1, 2030$600,000 
GoZone Bonds 5.85% - 6.35%2038thru2041$322,140 
Subordinated Notes, 9.2% as of September 30, 2022
January 15, 2043$402,500 

We believe that, as of September 30, 2022, we are in compliance with the ratios and covenants applicable to our debt obligations. A default under certain of our debt obligations would be considered an event of default under other of our debt obligations. Please refer to Note 5 of the Condensed Notes to Consolidated Financial Statements in Item 1. “Financial Statements” for a discussion of certain of our debt obligations.

Guarantor Summarized Financial Information. NuStar Energy has no operations, and its assets consist mainly of its 100% ownership interest in its indirectly owned subsidiaries, NuStar Logistics and NuPOP. The senior and subordinated notes issued by NuStar Logistics are fully and unconditionally guaranteed by NuStar Energy and NuPOP. Each guarantee of the senior notes by NuStar Energy and NuPOP ranks equally in right of payment with all other existing and future unsecured senior indebtedness of that guarantor, is structurally subordinated to all existing and any future indebtedness and obligations of any subsidiaries of that guarantor that do not guarantee the notes and ranks senior to its guarantee of our subordinated indebtedness. Each guarantee of the subordinated notes by NuStar Energy and NuPOP ranks equal in right of payment with all other existing and future subordinated indebtedness of that guarantor and subordinated in right of payment and upon liquidation to the prior payment in full of all other existing and future senior indebtedness of that guarantor. NuPOP will be released from its guarantee when it no longer guarantees any obligations of NuStar Energy or any of its subsidiaries, including NuStar Logistics, under any bank credit facility or public debt instrument. The rights of holders of our senior and subordinated notes may be limited under the U.S. Bankruptcy Code or state fraudulent transfer or conveyance law. Please refer to Note 5 of the Condensed Notes to Consolidated Financial Statements in Item 1. “Financial Statements” for a discussion of certain of our debt obligations.


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The following tables present summarized combined balance sheet and income statement information for NuStar Energy, NuStar Logistics and NuPOP (collectively, the Guarantor Issuer Group). Intercompany items among the Guarantor Issuer Group have been eliminated in the summarized combined financial information below, as well as intercompany balances and activity for the Guarantor Issuer Group with non-guarantor subsidiaries, including the Guarantor Issuer Group’s investment balances in non-guarantor subsidiaries.
September 30, 2022December 31, 2021
(Thousands of Dollars)
Summarized Combined Balance Sheet Information:
Current assets$37,587 $33,645 
Long-term assets$2,725,344 $2,791,481 
Current liabilities (a)$164,449 $119,841 
Long-term liabilities, including long-term debt$3,061,033 $3,162,351 
Series D preferred limited partners interests$630,641 $616,439 
(a)Excludes $1,106.7 million and $1,004.5 million of net intercompany payables as of September 30, 2022 and December 31, 2021, respectively, due to the non-guarantor subsidiaries from the Guarantor Issuer Group.

Long-term assets for the non-guarantor subsidiaries totaled $2,088.1 million and $2,180.3 million as of September 30, 2022 and December 31, 2021, respectively.

Nine Months Ended September 30, 2022
(Thousands of Dollars)
Summarized Combined Income Statement Information:
Revenues$596,879 
Operating income$194,480 
Interest expense, net$(153,057)
Net income$44,269 

Revenues and net income for the non-guarantor subsidiaries totaled $656.4 million and $86.9 million, respectively, for the nine months ended September 30, 2022.

Environmental, Health and Safety
Our operations are subject to extensive international, federal, state and local environmental laws and regulations, in the U.S. and in Mexico, including those relating to the discharge of materials into the environment, waste management, remediation, the characteristics and composition of fuels, climate change and greenhouse gases. Our operations are also subject to extensive health, safety and security laws and regulations, including those relating to worker and pipeline safety, pipeline and storage tank integrity and operations security. Because more stringent environmental and safety laws and regulations are continuously being enacted or proposed, the level of expenditures required for environmental, health and safety matters is expected to increase in the future.

Contingencies
We are subject to certain loss contingencies, and we believe that the resolution of any particular claim or proceeding, or all matters in the aggregate, would not have a material adverse effect on our results of operations, financial position or liquidity, as further disclosed in Note 6 of the Condensed Notes to Consolidated Financial Statements in Item 1. “Financial Statements.”

CRITICAL ACCOUNTING POLICIES
The preparation of financial statements in accordance with U.S. generally accepted accounting principles requires management to make estimates and assumptions related thereto that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results could differ from those estimates. Our critical accounting policies are disclosed in our Annual Report on Form 10-K for the year ended December 31, 2021.

NEW ACCOUNTING PRONOUNCEMENTS
Please refer to Note 2 of the Condensed Notes to Consolidated Financial Statements in Item 1. “Financial Statements” for a discussion of new accounting pronouncements.

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Item 3.     Quantitative and Qualitative Disclosures About Market Risk

INTEREST RATE RISK
Debt
We manage our exposure to changing interest rates principally through the use of a combination of fixed-rate debt and variable-rate debt. Borrowings under our variable-rate debt expose us to increases in interest rates.

On January 28, 2022, we amended and restated our $1.0 billion unsecured revolving credit agreement to extend the maturity to April 27, 2025, replace the LIBOR-based interest rate and modify other terms. Also on January 28, 2022, we amended our $100.0 million receivables financing agreement to extend the scheduled termination date to January 31, 2025, replace the LIBOR-based interest rate and modify other terms. Please refer to Note 5 of the Condensed Notes to Consolidated Financial Statements in Item 1. “Financial Statements” for more information.

The following tables present principal cash flows and related weighted-average interest rates by expected maturity dates for our long-term debt, excluding finance leases:
 September 30, 2022
 Expected Maturity Dates  
 20222023202420252026ThereafterTotalFair
Value
 (Thousands of Dollars, Except Interest Rates)
Fixed-rate debt$— $— $— $600,000 $500,000 $1,472,140 $2,572,140 $2,355,618 
Weighted-average rate
— — — 5.8 %6.0 %6.0 %6.0 %— 
Variable-rate debt$— $— $— $76,400 $— $402,500 $478,900 $469,522 
Weighted-average rate
— — — 4.8 %— 9.2 %8.5 %— 

 December 31, 2021
 Expected Maturity Dates  
 20222023202420252026ThereafterTotalFair
Value
 (Thousands of Dollars, Except Interest Rates)
Fixed-rate debt$— $— $— $600,000 $500,000 $1,472,140 $2,572,140 $2,858,794 
Weighted-average rate
— — — 5.8 %6.0 %6.0 %6.0 %— 
Variable-rate debt$— $194,300 $— $— $— $402,500 $596,800 $600,359 
Weighted-average rate
— 2.5 %— — — 6.9 %5.4 %— 

Series A, B and C Preferred Units
Distributions on our 8.50% Series A, 7.625% Series B and 9.00% Series C Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units (collectively, the Series A, B and C Preferred Units) are payable out of any legally available funds, accrue and are cumulative from the original issuance dates, and are payable on the 15th day (or the next business day) of each of March, June, September and December of each year to holders of record on the first business day of each payment month. The Series A, B and C Preferred Units expose us to changes in interest rates as the distribution rates on our Series A and B Preferred Units converted to a floating rate of the applicable LIBOR plus a spread on December 15, 2021 and June 15, 2022, respectively, and the distribution rate on our Series C Preferred Units converts from a fixed rate to a floating rate of the applicable LIBOR plus a spread on December 15, 2022. Based upon the 9,060,000 Series A Preferred Units and 15,400,000 Series B Preferred Units outstanding at September 30, 2022 and the $25.00 liquidation preference per unit, a change of 100 basis points, or 1.0%, in interest rates would increase or decrease the annual distributions on our Series A and B Preferred Units by an aggregate amount of $6.1 million. Please see Note 9 of the Condensed Notes to Consolidated Financial Statements in Item 1. “Financial Statements” for additional information on our Series A, B and C Preferred Units.

COMMODITY PRICE RISK
Since the operations of our fuels marketing segment expose us to commodity price risk, we also use derivative instruments to attempt to mitigate the effects of commodity price fluctuations. Derivative financial instruments associated with commodity price risk were not material for any periods presented.

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Item 4.     Controls and Procedures

(a)Evaluation of disclosure controls and procedures.
Our management has evaluated, with the participation of the principal executive officer and principal financial officer of NuStar GP, LLC, the effectiveness of our disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934) as of the end of the period covered by this report, and has concluded that our disclosure controls and procedures were effective as of September 30, 2022.
(b)Changes in internal control over financial reporting.
There has been no change in our internal control over financial reporting that occurred during our last fiscal quarter that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.
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PART II - OTHER INFORMATION

Item 6.Exhibits
Exhibit
Number
Description
22.01
*31.01
*31.02
**32.01
**32.02
*101.INSInline XBRL Instance Document - The instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
*101.SCHInline XBRL Taxonomy Extension Schema Document
*101.CALInline XBRL Taxonomy Extension Calculation Linkbase Document
*101.DEFInline XBRL Taxonomy Extension Definition Linkbase Document
*101.LABInline XBRL Taxonomy Extension Label Linkbase Document
*101.PREInline XBRL Taxonomy Extension Presentation Linkbase Document
*104Cover Page Interactive Data File - Formatted in Inline XBRL and contained in Exhibit 101
*Filed herewith.
**Furnished herewith.
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SIGNATURES
Pursuant to the requirements 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.
NUSTAR ENERGY L.P.
(Registrant)

By: Riverwalk Logistics, L.P., its general partner
By: NuStar GP, LLC, its general partner
 
By:
/s/ Bradley C. Barron
Bradley C. Barron
Chairman of the Board, President and Chief Executive Officer
November 8, 2022
By:
/s/ Thomas R. Shoaf
Thomas R. Shoaf
Executive Vice President and Chief Financial Officer
November 8, 2022
By:
/s/ Jorge A. del Alamo
Jorge A. del Alamo
Senior Vice President and Controller
November 8, 2022
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