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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, 2021

Or
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from             to      
WESTERN MIDSTREAM PARTNERS, LP
WESTERN MIDSTREAM OPERATING, LP
(Exact name of registrant as specified in its charter)
Commission file number:State or other jurisdiction of incorporation or organization:I.R.S. Employer Identification No.:
Western Midstream Partners, LP001-35753Delaware46-0967367
Western Midstream Operating, LP001-34046Delaware26-1075808
Address of principal executive offices:Zip Code:Registrant’s telephone number, including area code:
Western Midstream Partners, LP9950 Woodloch Forest Drive, Suite 2800The Woodlands,Texas77380(346)786-5000
Western Midstream Operating, LP9950 Woodloch Forest Drive, Suite 2800The Woodlands,Texas77380(346)786-5000
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading symbolName of exchange
on which registered
Common units outstanding as of November 4, 2021:
Western Midstream Partners, LPCommon unitsWESNew York Stock Exchange408,390,278
Western Midstream Operating, LPNoneNoneNoneNone
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.
Western Midstream Partners, LPYes
þ
No
¨
Western Midstream Operating, LPYes
þ
No
¨
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).
Western Midstream Partners, LPYes
þ
No
¨
Western Midstream Operating, LPYes
þ
No
¨




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.
Western Midstream Partners, LPLarge Accelerated FilerAccelerated FilerNon-accelerated FilerSmaller Reporting CompanyEmerging Growth Company
þ
Western Midstream Operating, LPLarge Accelerated FilerAccelerated FilerNon-accelerated FilerSmaller Reporting CompanyEmerging Growth Company
þ
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.
Western Midstream Partners, LP¨
Western Midstream Operating, LP¨
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).
Western Midstream Partners, LPYesNo
þ
Western Midstream Operating, LPYes
No
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FILING FORMAT

This quarterly report on Form 10-Q is a combined report being filed by two separate registrants: Western Midstream Partners, LP and Western Midstream Operating, LP. Western Midstream Operating, LP is a consolidated subsidiary of Western Midstream Partners, LP that has publicly traded debt, but does not have any publicly traded equity securities. Information contained herein related to any individual registrant is filed by such registrant solely on its own behalf. Each registrant makes no representation as to information relating exclusively to the other registrant.

Part I, Item 1 of this quarterly report includes separate financial statements (i.e., consolidated statements of operations, consolidated balance sheets, consolidated statements of equity and partners’ capital, and consolidated statements of cash flows) for Western Midstream Partners, LP and Western Midstream Operating, LP. The accompanying Notes to Consolidated Financial Statements, which are included under Part I, Item 1 of this quarterly report, and Management’s Discussion and Analysis of Financial Condition and Results of Operations, which is included under Part I, Item 2 of this quarterly report, are presented on a combined basis for each registrant, with any material differences between the registrants disclosed separately.




TABLE OF CONTENTS
PAGE
PART I
Item 1.
Item 2.
Item 3.
Item 4.
PART II
Item 1.
Item 1A.
Item 2.
Item 6.
3

COMMONLY USED TERMS AND DEFINITIONS

Unless the context otherwise requires, references to “we,” “us,” “our,” “WES,” “the Partnership,” or “Western Midstream Partners, LP” refer to Western Midstream Partners, LP (formerly Western Gas Equity Partners, LP) and its subsidiaries. As used in this Form 10-Q, the terms and definitions below have the following meanings:
AESC: Anadarko Energy Services Company, a subsidiary of Occidental.
Anadarko: Anadarko Petroleum Corporation and its subsidiaries, excluding our general partner, which became a wholly owned subsidiary of Occidental upon closing of the Occidental Merger on August 8, 2019.
Anadarko note receivable: The 30-year $260.0 million note established in May 2008 between WES Operating as the lender and Anadarko as the borrower. The note bore interest at a fixed annual rate of 6.50%, payable quarterly. Following the Occidental Merger, Occidental became the ultimate counterparty. On September 11, 2020, the Partnership and Occidental entered into a Unit Redemption Agreement, pursuant to which (i) WES Operating transferred and assigned its interest in the Anadarko note receivable to its limited partners on a pro-rata basis, transferring 98% of its interest in (and accrued interest owed under) the Anadarko note receivable to the Partnership and the remaining 2% to WGRAH, a subsidiary of Occidental, (ii) the Partnership subsequently assigned the 98% interest in (and accrued interest owed under) the Anadarko note receivable to Anadarko, which Anadarko canceled and retired immediately upon receipt, in exchange for which Occidental caused certain of its subsidiaries to transfer an aggregate of 27,855,398 common units of the Partnership to the Partnership, and (iii) the Partnership canceled such common units immediately upon receipt.
Barrel or Bbl: 42 U.S. gallons measured at 60 degrees Fahrenheit.
Bbls/d: Barrels per day.
Board of Directors: The board of directors of WES’s general partner.
Cactus II: Cactus II Pipeline LLC.
Chipeta: Chipeta Processing, LLC.
Condensate: A natural-gas liquid with a low vapor pressure compared to drip condensate, mainly composed of propane, butane, pentane, and heavier hydrocarbon fractions.
Cryogenic: The process by which liquefied gases are used to bring natural-gas volumes to very low temperatures (below approximately -238 degrees Fahrenheit) to separate natural-gas liquids from natural gas. Through cryogenic processing, more natural-gas liquids are extracted as compared to traditional refrigeration methods.
DBM: Delaware Basin Midstream, LLC.
DBM water systems: The produced-water gathering and disposal systems in West Texas.
DJ Basin complex: The Platte Valley system, Wattenberg system, Lancaster plant, Latham plant, and Wattenberg processing plant.
EBITDA: Earnings before interest, taxes, depreciation, and amortization. For a definition of “Adjusted EBITDA,” see Key Performance Metrics under Part I, Item 2 of this Form 10-Q.
Exchange Act: The Securities Exchange Act of 1934, as amended.
Fixed-Rate Senior Notes: WES Operating’s fixed-rate 3.100% Senior Notes due 2025, 4.050% Senior Notes due 2030, and 5.250% Senior Notes due 2050, issued in January 2020.

4

Floating-Rate Senior Notes: WES Operating’s floating-rate Senior Notes due 2023.
Fort Union: Fort Union Gas Gathering, LLC.
Fractionation: The process of applying various levels of high pressure and low temperature to separate a stream of natural-gas liquids into ethane, propane, normal butane, isobutane, and natural gasoline for end-use sale.
FRP: Front Range Pipeline LLC.
GAAP: Generally accepted accounting principles in the United States.
General partner: Western Midstream Holdings, LLC, the general partner of the Partnership.
Hydraulic fracturing: The high-pressure injection of fluids into the wellbore to create fractures in rock formations, stimulating the production of oil or gas.
Imbalance: Imbalances result from (i) differences between gas and NGLs volumes nominated by customers and gas and NGLs volumes received from those customers and (ii) differences between gas and NGLs volumes received from customers and gas and NGLs volumes delivered to those customers.
LIBOR: London Interbank Offered Rate.
Marcellus Interest: The 33.75% interest in the Larry’s Creek, Seely, and Warrensville gas-gathering systems and related facilities located in northern Pennsylvania.
MBbls/d: Thousand barrels per day.
Mcf: Thousand cubic feet.

MGR: Mountain Gas Resources, LLC.
MGR assets: The Red Desert complex and the Granger straddle plant.
Mi Vida: Mi Vida JV LLC.
MLP: Master limited partnership.
MMcf: Million cubic feet.
MMcf/d: Million cubic feet per day.
Mont Belvieu JV: Enterprise EF78 LLC.
Natural-gas liquid(s) or NGL(s): The combination of ethane, propane, normal butane, isobutane, and natural gasolines that, when removed from natural gas, become liquid under various levels of pressure and temperature.
Occidental: Occidental Petroleum Corporation and, as the context requires, its subsidiaries, excluding our general partner.
Occidental Merger: Occidental’s acquisition by merger of Anadarko pursuant to the Agreement and Plan of Merger, dated as of May 9, 2019, by and among Occidental, Baseball Merger Sub 1, Inc., and Anadarko, which closed on August 8, 2019.
Panola: Panola Pipeline Company, LLC.
Produced water: Byproduct associated with the production of crude oil and natural gas that often contains a number of dissolved solids and other materials found in oil and gas reservoirs.
Purchase Program: The buyback program announced in November 2020, pursuant to which we may purchase up to $250.0 million in aggregate value of our common units through December 31, 2021. The common units may be purchased from time to time in the open market at prevailing market prices or in privately negotiated transactions.
5

Ranch Westex: Ranch Westex JV LLC.
RCF: WES Operating’s $2.0 billion senior unsecured revolving credit facility that matures in February 2025.
Red Bluff Express: Red Bluff Express Pipeline, LLC.
Red Desert complex: The Patrick Draw processing plant, the Red Desert processing plant, associated gathering lines, and related facilities.
Related parties: Occidental and the Partnership’s equity interests in Fort Union (until divested in October 2020), White Cliffs, Rendezvous, the Mont Belvieu JV, TEP, TEG, FRP, Whitethorn LLC, Cactus II, Saddlehorn, Panola, Mi Vida, Ranch Westex, and Red Bluff Express.
Rendezvous: Rendezvous Gas Services, LLC.
Residue: The natural gas remaining after the unprocessed natural-gas stream has been processed or treated.
Saddlehorn: Saddlehorn Pipeline Company, LLC.
SEC: U.S. Securities and Exchange Commission.
Services Agreement: That certain amended and restated Services, Secondment, and Employee Transfer Agreement, dated as of December 31, 2019, by and among Occidental, Anadarko, and WES Operating GP.
Springfield system: The Springfield gas-gathering system and Springfield oil-gathering system.
TEFR Interests: The interests in TEP, TEG, and FRP.
TEG: Texas Express Gathering LLC.
TEP: Texas Express Pipeline LLC.
Term loan facility: WES Operating’s senior unsecured credit facility entered into in December 2018, which was repaid and terminated in January 2020.
WES Operating: Western Midstream Operating, LP, formerly known as Western Gas Partners, LP, and its subsidiaries.
WES Operating GP: Western Midstream Operating GP, LLC, the general partner of WES Operating.
West Texas complex: The DBM complex and DBJV and Haley systems.
WGRAH: WGR Asset Holding Company LLC.
WGRI: Western Gas Resources, Inc., a subsidiary of Occidental.
White Cliffs: White Cliffs Pipeline, LLC.
Whitethorn LLC: Whitethorn Pipeline Company LLC.
Whitethorn: A crude-oil and condensate pipeline, and related storage facilities, owned by Whitethorn LLC.
6

PART I. FINANCIAL INFORMATION (UNAUDITED)

Item 1.  Financial Statements
WESTERN MIDSTREAM PARTNERS, LP
CONSOLIDATED STATEMENTS OF OPERATIONS
(UNAUDITED)
Three Months Ended 
September 30,
Nine Months Ended 
September 30,
thousands except per-unit amounts2021202020212020
Revenues and other
Service revenues – fee based$650,482 $636,522 $1,841,742 $1,980,546 
Service revenues – product based28,812 12,316 88,267 35,237 
Product sales84,298 30,106 227,359 108,491 
Other248 100 577 838 
Total revenues and other (1)
763,840 679,044 2,157,945 2,125,112 
Equity income, net – related parties48,506 61,026 159,337 176,788 
Operating expenses
Cost of product83,232 31,739 250,245 153,611 
Operation and maintenance140,838 132,293 434,198 436,670 
General and administrative50,409 41,578 139,973 118,466 
Property and other taxes13,641 19,392 45,992 57,263 
Depreciation and amortization139,002 132,564 407,404 384,688 
Long-lived asset and other impairments
1,594 34,640 29,198 200,575 
Goodwill impairment   441,017 
Total operating expenses (2)
428,716 392,206 1,307,010 1,792,290 
Gain (loss) on divestiture and other, net(364)(768)278 (3,651)
Operating income (loss)383,266 347,096 1,010,550 505,959 
Interest income – Anadarko note receivable 3,286  11,736 
Interest expense(93,257)(95,571)(287,040)(278,811)
Gain (loss) on early extinguishment of debt(24,655)1,632 (24,944)10,372 
Other income (expense), net110 720 (1,013)612 
Income (loss) before income taxes265,464 257,163 697,553 249,868 
Income tax expense (benefit)1,826 3,028 4,403 3,792 
Net income (loss)263,638 254,135 693,150 246,076 
Net income (loss) attributable to noncontrolling interests7,913 7,524 20,375 (17,045)
Net income (loss) attributable to Western Midstream Partners, LP$255,725 $246,611 $672,775 $263,121 
Limited partners’ interest in net income (loss):
Net income (loss) attributable to Western Midstream Partners, LP$255,725 $246,611 $672,775 $263,121 
General partner interest in net (income) loss(5,527)(5,132)(14,484)(5,462)
Limited partners’ interest in net income (loss) (3)
250,198 241,479 658,291 257,659 
Net income (loss) per common unit – basic (3)
$0.61 $0.55 $1.60 $0.58 
Net income (loss) per common unit – diluted (3)
$0.61 $0.55 $1.59 $0.58 
Weighted-average common units outstanding – basic (3)
411,909 438,857 412,690 442,255 
Weighted-average common units outstanding – diluted (3)
412,714 438,926 413,150 442,275 
_________________________________________________________________________________________
(1)Total revenues and other includes related-party amounts of $431.7 million and $1.2 billion for the three and nine months ended September 30, 2021, respectively, and $455.6 million and $1.4 billion for the three and nine months ended September 30, 2020, respectively. See Note 6.
(2)Total operating expenses includes related-party amounts of $22.7 million and $91.5 million for the three and nine months ended September 30, 2021, respectively, and $10.4 million and $161.5 million for the three and nine months ended September 30, 2020, respectively. See Note 6.
(3)See Note 5.
See accompanying Notes to Consolidated Financial Statements.
7

WESTERN MIDSTREAM PARTNERS, LP
CONSOLIDATED BALANCE SHEETS
(UNAUDITED)
thousands except number of unitsSeptember 30,
2021
December 31,
2020
ASSETS
Current assets
Cash and cash equivalents$99,862 $444,922 
Accounts receivable, net583,652 452,880 
Other current assets73,196 45,262 
Total current assets756,710 943,064 
Property, plant, and equipment
Cost12,732,926 12,641,745 
Less accumulated depreciation4,208,845 3,931,800 
Net property, plant, and equipment8,524,081 8,709,945 
Goodwill4,783 4,783 
Other intangible assets752,659 776,409 
Equity investments1,181,181 1,224,813 
Other assets (1)
199,964 171,013 
Total assets (2)
$11,419,378 $11,830,027 
LIABILITIES, EQUITY, AND PARTNERS’ CAPITAL
Current liabilities
Accounts and imbalance payables$341,220 $210,691 
Short-term debt
726,429 438,870 
Accrued ad valorem taxes49,065 41,427 
Accrued liabilities190,628 269,947 
Total current liabilities1,307,342 960,935 
Long-term liabilities
Long-term debt
6,399,874 7,415,832 
Deferred income taxes24,470 22,195 
Asset retirement obligations271,022 260,283 
Other liabilities320,224 275,570 
Total long-term liabilities
7,015,590 7,973,880 
Total liabilities (3)
8,322,932 8,934,815 
Equity and partners’ capital
Common units (408,610,916 and 413,839,863 units issued and outstanding at September 30, 2021, and December 31, 2020, respectively)
2,965,944 2,778,339 
General partner units (9,060,641 units issued and outstanding at September 30, 2021, and December 31, 2020)
(11,286)(17,208)
Total partners’ capital2,954,658 2,761,131 
Noncontrolling interests141,788 134,081 
Total equity and partners’ capital3,096,446 2,895,212 
Total liabilities, equity, and partners’ capital$11,419,378 $11,830,027 
________________________________________________________________________________________
(1)Other assets includes $11.2 million and $4.2 million of NGLs line-fill inventory as of September 30, 2021, and December 31, 2020, respectively. Other assets also includes $63.1 million and $71.9 million of materials and supplies inventory as of September 30, 2021, and December 31, 2020, respectively.
(2)Total assets includes related-party amounts of $1.6 billion as of September 30, 2021, and December 31, 2020, which includes related-party Accounts receivable, net of $289.4 million and $291.3 million as of September 30, 2021, and December 31, 2020, respectively. See Note 6.
(3)Total liabilities includes related-party amounts of $250.7 million and $164.7 million as of September 30, 2021, and December 31, 2020, respectively. See Note 6.

See accompanying Notes to Consolidated Financial Statements.
8

WESTERN MIDSTREAM PARTNERS, LP
CONSOLIDATED STATEMENTS OF EQUITY AND PARTNERS’ CAPITAL
(UNAUDITED)
Partners’ Capital
thousandsCommon
Units
General Partner
Units
Noncontrolling
Interests
Total
Balance at December 31, 2020$2,778,339 $(17,208)$134,081 $2,895,212 
Net income (loss)181,798 3,993 5,444 191,235 
Distributions to Chipeta noncontrolling interest owner— — (276)(276)
Distributions to noncontrolling interest owner of WES Operating— — (2,551)(2,551)
Distributions to Partnership unitholders(128,447)(2,818)— (131,265)
Unit repurchases (1)
(16,241)— — (16,241)
Contributions of equity-based compensation from Occidental
3,210 — — 3,210 
Equity-based compensation expense
3,524 — — 3,524 
Net contributions from (distributions to) related parties1,627 — — 1,627 
Other(2,355)— — (2,355)
Balance at March 31, 2021$2,821,455 $(16,033)$136,698 $2,942,120 
Net income (loss)226,295 4,964 7,018 238,277 
Distributions to Chipeta noncontrolling interest owner— — (1,245)(1,245)
Distributions to noncontrolling interest owner of WES Operating— — (2,741)(2,741)
Distributions to Partnership unitholders(130,115)(2,854)— (132,969)
Contributions of equity-based compensation from Occidental
2,375 — — 2,375 
Equity-based compensation expense
4,746 — — 4,746 
Net contributions from (distributions to) related parties2,881 — — 2,881 
Other(571)— — (571)
Balance at June 30, 2021$2,927,066 $(13,923)$139,730 $3,052,873 
Net income (loss)250,198 5,527 7,913 263,638 
Distributions to Chipeta noncontrolling interest owner  (1,213)(1,213)
Distributions to noncontrolling interest owner of WES Operating  (4,642)(4,642)
Distributions to Partnership unitholders(131,772)(2,890) (134,662)
Unit repurchases (1)
(88,125)  (88,125)
Contributions of equity-based compensation from Occidental
2,311   2,311 
Equity-based compensation expense
4,668   4,668 
Net contributions from (distributions to) related parties2,165   2,165 
Other(567)  (567)
Balance at September 30, 2021$2,965,944 $(11,286)$141,788 $3,096,446 
_________________________________________________________________________________________
(1)See Note 5.

See accompanying Notes to Consolidated Financial Statements.
9

WESTERN MIDSTREAM PARTNERS, LP
CONSOLIDATED STATEMENTS OF EQUITY AND PARTNERS’ CAPITAL
(UNAUDITED)
Partners’ Capital
thousandsCommon
Units
General Partner
Units
Noncontrolling
Interests
Total
Balance at December 31, 2019$3,209,947 $(14,224)$149,570 $3,345,293 
Net income (loss)(251,396)(5,131)(32,873)(289,400)
Distributions to Chipeta noncontrolling interest owner— — (1,738)(1,738)
Distributions to noncontrolling interest owner of WES Operating— — (5,807)(5,807)
Distributions to Partnership unitholders(276,151)(5,635)— (281,786)
Acquisitions from related parties(3,987)— 3,987  
Contributions of equity-based compensation from Occidental
4,105 — — 4,105 
Equity-based compensation expense
1,129 — — 1,129 
Net contributions from (distributions to) related parties (1)
489 — 20,000 20,489 
Balance at March 31, 2020$2,684,136 $(24,990)$133,139 $2,792,285 
Net income (loss)267,576 5,461 8,304 281,341 
Distributions to Chipeta noncontrolling interest owner— — (1,037)(1,037)
Distributions to noncontrolling interest owner of WES Operating— — (2,869)(2,869)
Distributions to Partnership unitholders(138,075)(2,818)— (140,893)
Contributions of equity-based compensation from Occidental3,562 — — 3,562 
Equity-based compensation expense2,115 — — 2,115 
Net contributions from (distributions to) related parties1,343 — — 1,343 
Other(330)— — (330)
Balance at June 30, 2020$2,820,327 $(22,347)$137,537 $2,935,517 
Net income (loss)241,479 5,132 7,524 254,135 
Distributions to Chipeta noncontrolling interest owner— — (1,148)(1,148)
Distributions to noncontrolling interest owner of WES Operating— — (2,869)(2,869)
Distributions to Partnership unitholders(138,083)(2,817)— (140,900)
Unit exchange with Occidental (2)
(256,640)— (5,238)(261,878)
Contributions of equity-based compensation from Occidental3,488 — — 3,488 
Equity-based compensation expense2,128 — — 2,128 
Net contributions from (distributions to) related parties842 — — 842 
Other1,141 — — 1,141 
Balance at September 30, 2020$2,674,682 $(20,032)$135,806 $2,790,456 
_________________________________________________________________________________________
(1)See Services Agreement within Note 6.
(2)See Note 6.

See accompanying Notes to Consolidated Financial Statements.
10

WESTERN MIDSTREAM PARTNERS, LP
CONSOLIDATED STATEMENTS OF CASH FLOWS
(UNAUDITED)
 Nine Months Ended 
September 30,
thousands20212020
Cash flows from operating activities
Net income (loss)$693,150 $246,076 
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization407,404 384,688 
Long-lived asset and other impairments
29,198 200,575 
Goodwill impairment 441,017 
Non-cash equity-based compensation expense
20,834 16,527 
Deferred income taxes2,275 2,393 
Accretion and amortization of long-term obligations, net
5,873 6,482 
Equity income, net – related parties(159,337)(176,788)
Distributions from equity-investment earnings – related parties
164,772 187,816 
(Gain) loss on divestiture and other, net(278)3,651