10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549 

______________________________

FORM 10-Q 

______________________________

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2024

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: 1-13245

______________________________ 

PIONEER NATURAL RESOURCES COMPANY

(Exact name of Registrant as specified in its charter)

______________________________

Delaware	75-2702753
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

777 Hidden Ridge

Irving, Texas 75038

(Address of principal executive offices and zip code)

(972) 444-9001

(Registrant's telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol	Name of each exchange on which registered
Common Stock, par value $.01 per share	PXD	New York Stock Exchange

Not applicable

(Former name, former address and former fiscal year, if changed since last report) 

______________________________

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  ☒    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). 

Yes   ☒    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.

Large accelerated filer	☒	Accelerated filer	☐
Non-accelerated filer	☐	Smaller 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.    ☐    

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes   ☐    No  ☒

Number of shares of common stock outstanding as of May 1, 2024    233,675,158

1

PIONEER NATURAL RESOURCES COMPANY

TABLE OF CONTENTS 

		Page
Definitions of Certain Terms and Conventions Used Herein		3
Cautionary Statement Concerning Forward-Looking Statements		5
PART I. FINANCIAL INFORMATION
Item 1.	Financial Statements
	Consolidated Balance Sheets	6
	Consolidated Statements of Operations	7
	Consolidated Statements of Equity	8
	Consolidated Statements of Cash Flows	10
	Notes to Consolidated Financial Statements	11
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	25
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	35
Item 4.	Controls and Procedures	36
PART II. OTHER INFORMATION
Item 1.	Legal Proceedings	37
Item 1A.	Risk Factors	37
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	37
Item 5.	Other Information	37
Item 6.	Exhibits	38
Signatures		39

2

Definitions of Certain Terms and Conventions Used Herein

Within this Report, the following terms and conventions have specific meanings:

Measurements.

•"Bbl" means a standard barrel containing 42 United States gallons.

•"Bcf" means one billion cubic feet and is a measure of gas volume.

•"BOE" means a barrel of oil equivalent and is a standard convention used to express oil and gas volumes on a comparable oil equivalent basis. Gas equivalents are determined under the relative energy content method by using the ratio of six thousand cubic feet of gas to one Bbl of oil or natural gas liquid.

•"BOEPD" means BOE per day.

•"MMBOPD" means one million barrels of oil per day.

•"Btu" means British thermal unit, which is a measure of the amount of energy required to raise the temperature of one pound of water one degree Fahrenheit.

•"MBbl" means one thousand Bbls.

•"MBOE" means one thousand BOEs.

•"Mcf" means one thousand cubic feet and is a measure of gas volume.

•"MMBbl" means one million Bbls.

•"MMBOE" means one million BOEs.

•"MMBtu" means one million Btus.

•"MMcf" means one million cubic feet.

Indices.

•"Brent" means Brent oil price, a major trading classification of light sweet oil that serves as a benchmark price for oil worldwide.

•"WAHA" is a benchmark pricing hub for West Texas gas.

•"WTI" means West Texas Intermediate, a light sweet blend of oil produced from fields in western Texas and is a grade of oil used as a benchmark in oil pricing.

General terms and conventions.

•"DD&A" means depletion, depreciation and amortization.

•"ESG" means environmental, social and governance.

•"Field fuel" means gas consumed to operate field equipment (primarily compressors) prior to the gas being delivered to a sales point.

•"GAAP" means accounting principles generally accepted in the United States of America.

•"GHG" means greenhouse gases.

•"LNG" means liquefied natural gas.

•"NGLs" means natural gas liquids, which are the heavier hydrocarbon liquids that are separated from the gas stream; such liquids include ethane, propane, isobutane, normal butane and natural gasoline.

•"NYMEX" means the New York Mercantile Exchange.

•"NYSE" means the New York Stock Exchange.

•"OPEC" means the Organization of Petroleum Exporting Countries.

•"Pioneer" or the "Company" means Pioneer Natural Resources Company and its subsidiaries.

•"Proved developed reserves" means reserves that can be expected to be recovered through existing wells with existing equipment and operating methods or in which the cost of the required equipment is relatively minor compared to the cost of a new well.

•"Proved reserves" means those quantities of oil and gas, which, by analysis of geosciences and engineering data, can be estimated with reasonable certainty to be economically producible – from a given date forward, from known reservoirs, and under existing economic conditions, operating methods, and government regulations – prior to the time at which contracts providing the right to operate expire, unless evidence indicates that renewal is reasonably certain, regardless of whether deterministic or probabilistic methods are used for the estimation. The project to extract the hydrocarbons must have commenced or the operator must be reasonably certain that it will commence the project within a reasonable time.

3

(i) The area of the reservoir considered as proved includes: (A) The area identified by drilling and limited by fluid contacts, if any, and (B) Adjacent undrilled portions of the reservoir that can, with reasonable certainty, be judged to be continuous with it and to contain economically producible oil or gas on the basis of available geoscience and engineering data.

(ii) In the absence of data on fluid contacts, proved quantities in a reservoir are limited by the lowest known hydrocarbons as seen in a well penetration unless geoscience, engineering or performance data and reliable technology establishes a lower contact with reasonable certainty.

(iii) Where direct observation from well penetrations has defined a highest known oil elevation and the potential exists for an associated gas cap, proved oil reserves may be assigned in the structurally higher portions of the reservoir only if geoscience, engineering or performance data and reliable technology establish the higher contact with reasonable certainty.

(iv) Reserves which can be produced economically through application of improved recovery techniques (including, but not limited to, fluid injection) are included in the proved classification when: (A) Successful testing by a pilot project in an area of the reservoir with properties no more favorable than in the reservoir as a whole, the operation of an installed program in the reservoir or an analogous reservoir, or other evidence using reliable technology establishes the reasonable certainty of the engineering analysis on which the project or program was based; and (B) The project has been approved for development by all necessary parties and entities, including governmental entities.

(v) Existing economic conditions include prices and costs at which economic producibility from a reservoir is to be determined. The price shall be the average during the 12-month period prior to the ending date of the period covered by the report, determined as an unweighted arithmetic average of the first-day-of-the-month price for each month within such period, unless prices are defined by contractual arrangements, excluding escalations based upon future conditions.

•"Proved undeveloped reserves" means reserves that are expected to be recovered from new wells on undrilled acreage, or from existing wells where a relatively major expenditure is required for recompletion.

(i) Reserves on undrilled acreage shall be limited to those directly offsetting development spacing areas that are reasonably certain of production when drilled, unless evidence using reliable technology exists that establishes reasonable certainty of economic producibility at greater distances.

(ii) Undrilled locations can be classified as having proved undeveloped reserves only if a development plan has been adopted indicating that they are scheduled to be drilled within five years, unless the specific circumstances, justify a longer time.

(iii) Under no circumstances shall estimates for proved undeveloped reserves be attributable to any acreage for which an application of fluid injection or other improved recovery technique is contemplated, unless such techniques have been proved effective by actual projects in the same reservoir or an analogous reservoir, or by other evidence using reliable technology establishing reasonable certainty.

•"SEC" means the United States Securities and Exchange Commission.

•"Standardized Measure" means the after-tax present value of estimated future net cash flows of proved reserves, determined in accordance with the rules and regulations of the SEC, using prices and costs employed in the determination of proved reserves and a 10 percent discount rate.

•"U.S." means United States.

•"WASP" means weighted average sales price.

•With respect to information on the working interest in wells, drilling locations and acreage, "net" wells, drilling locations and acres are determined by multiplying "gross" wells, drilling locations and acres by the Company's working interest in such wells, drilling locations or acres. Unless otherwise specified, wells, drilling locations and acreage statistics quoted herein represent gross wells, drilling locations or acres.

•All currency amounts are expressed in U.S. dollars.

4

CAUTIONARY STATEMENT CONCERNING FORWARD-LOOKING STATEMENTS

This information in this Quarterly Report on Form 10-Q (this "Report") contains forward-looking statements that involve risks and uncertainties. When used in this document, the words "believes," "plans," "expects," "anticipates," "forecasts," "models," "intends," "continue," "may," "will," "could," "should," "future," "potential," "estimate," or the negative of such terms and similar expressions as they relate to the Company are intended to identify forward-looking statements, which are generally not historical in nature. The forward-looking statements are based on the Company's current expectations, assumptions, estimates and projections about the Company and the industry in which the Company operates. Although the Company believes that the expectations and assumptions reflected in the forward-looking statements are reasonable as and when made, they involve risks and uncertainties that are difficult to predict and, in many cases, beyond the Company's control. In addition, the Company may be subject to currently unforeseen risks that may have a materially adverse effect on it.

These risks and uncertainties include, among other things, volatility of commodity prices; product supply and demand; the impact of armed conflict (including in Ukraine and the Middle East) and related political instability on economic activity and oil and gas supply and demand; competition; the ability to obtain drilling, environmental and other permits and the timing thereof; the effect of future regulatory or legislative actions on Pioneer or the industry in which it operates, including potential changes to tax laws; the ability to obtain approvals from third parties and negotiate agreements with third parties on mutually acceptable terms; potential liability resulting from pending or future litigation; the costs, including the potential impact of cost increases due to inflation and supply chain disruptions, and results of development and operating activities; the impact of a widespread outbreak of an illness, such as the COVID-19 pandemic, on global and U.S. economic activity, oil and gas demand, and global and U.S. supply chains; the risk of new restrictions with respect to development activities, including potential changes to regulations resulting in limitations on the Company's ability to dispose of produced water; availability of equipment, services, resources and personnel required to perform the Company's development and operating activities; access to and availability of transportation, processing, fractionation, refining, storage and export facilities; Pioneer's ability to replace reserves, implement its business plans or complete its development activities as scheduled; the risk that the transaction between Pioneer and Exxon Mobil Corporation may not be completed on anticipated terms and timing, or at all; the possibility that any of the anticipated benefits of the transaction will not be realized or will not be realized within the expected time period; the risk that disruptions from the transaction will harm Pioneer's business, including current plans and operations and that management's time and attention will be diverted on transaction-related issues; potential adverse reactions or changes to business relationships resulting from the announcement or completion of the transaction; litigation relating to the transaction against Pioneer and its directors; the Company's ability to achieve its emissions reductions, flaring and other ESG goals; access to and cost of capital; the financial strength of (i) counterparties to Pioneer's credit facility, (ii) issuers of Pioneer's investment securities and (iii) purchasers of Pioneer's oil, NGL and gas production and downstream sales of purchased commodities; uncertainties about estimates of reserves, identification of drilling locations and the ability to add proved reserves in the future; the assumptions underlying forecasts, including forecasts of production, operating cash flow, well costs, capital expenditures, rates of return, expenses, and cash flow from downstream purchases and sales of oil and gas, net of firm transportation commitments; tax rates; quality of technical data; environmental and weather risks, including the possible impacts of climate change on the Company's operations and demand for its products; cybersecurity risks; the risks associated with the ownership and operation of the Company's water services business and acts of war or terrorism. In addition, the Company may be subject to currently unforeseen risks that may have a materially adverse effect on it.

Accordingly, no assurances can be given that the actual events and results will not be materially different than the anticipated results described in the forward-looking statements. See "Part I, Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations," "Part I, Item 3. Quantitative and Qualitative Disclosures About Market Risk" and "Part II, Item 1A. Risk Factors" in this Report and "Item 1. Business — Competition, Oil and Gas Industry Considerations, Marketing of Production, Sustainability and Environmental Compliance Costs and Regulation," "Item 1A. Risk Factors," "Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations" and "Item 7A. Quantitative and Qualitative Disclosures About Market Risk" in the Company's Annual Report on Form 10-K for the year ended December 31, 2023 for a description of various factors that could materially affect the ability of Pioneer to achieve the anticipated results described in the forward-looking statements. Readers are cautioned not to place undue reliance on forward-looking statements, which speak only as of the date hereof. Pioneer undertakes no duty to publicly update these statements except as required by law.

5

PART I. FINANCIAL INFORMATION

ITEM 1.    FINANCIAL STATEMENTS

PIONEER NATURAL RESOURCES COMPANY

CONSOLIDATED BALANCE SHEETS

(in millions, except share data)

	March 31, 2024		December 31, 2023
	(Unaudited)
ASSETS
Current assets:
Cash and cash equivalents	$	451	$	240
Accounts receivable, net	1,822		1,590
Inventories	491		476
Investment in affiliate	134		139
Prepaids and other	132		160
Total current assets	3,030		2,605
Oil and gas properties, using the successful efforts method of accounting:
Proved properties	44,480		43,387
Unproved properties	5,771		5,785
Accumulated depletion, depreciation and amortization	(18,397)		(17,639)
Total oil and gas properties, net	31,854		31,533
Other property and equipment, net	1,659		1,656
Operating lease right-of-use assets	543		398
Goodwill	242		242
Other assets	186		179
	$	37,514	$	36,613
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable:
Trade	$	2,498	$	2,414
Due to affiliates	55		35
Interest payable	16		48
Income taxes payable	230		40
Current portion of debt	11		28
Derivatives	113		53
Operating leases	259		175
Other	170		181
Total current liabilities	3,352		2,974
Long-term debt	4,750		4,807
Derivatives	113		76
Deferred income taxes	4,478		4,402
Operating leases	315		248
Other liabilities	916		935
Equity:
Common shares, $.01 par value; 500,000,000 shares authorized; 245,640,802 and    245,594,927 shares issued as of March 31, 2024 and December 31, 2023, respectively	2		2
Additional paid-in capital	18,436		18,506
Treasury shares, at cost; 11,983,632 and 11,971,806 shares as of March 31, 2024 and    December 31, 2023, respectively	(2,620)		(2,617)
Retained earnings	7,772		7,280
Total equity	23,590		23,171
Commitments and contingencies
	$	37,514	$	36,613

The financial information included as of March 31, 2024 has been prepared by management

without audit by independent registered public accountants.

The accompanying notes are an integral part of these consolidated financial statements.

6

PIONEER NATURAL RESOURCES COMPANY

CONSOLIDATED STATEMENTS OF OPERATIONS

(in millions, except per share data)

(Unaudited)

	Three Months Ended March 31,
	2024		2023
Revenues and other income:
Oil and gas	$	3,287	$	3,166
Sales of purchased commodities	1,616		1,431
Interest and other income (loss), net	28		(37)
Derivative loss, net	(122)		(44)
Gain on disposition of assets, net	2		25
	4,811		4,541
Costs and expenses:
Oil and gas production	598		455
Production and ad valorem taxes	206		208
Depletion, depreciation and amortization	774		664
Purchased commodities	1,648		1,485
Exploration and abandonments	20		15
General and administrative	92		84
Accretion of discount on asset retirement obligations	5		4
Interest	40		28
Other	24		41
	3,407		2,984
Income before income taxes	1,404		1,557
Income tax provision	(309)		(335)
Net income attributable to common shareholders	$	1,095	$	1,222
Net income per share attributable to common shareholders:
Basic	$	4.68	$	5.19
Diluted	$	4.57	$	5.00
Weighted average shares outstanding:
Basic	234		235
Diluted	239		244
Dividends declared per share	$	2.56	$	5.58

The financial information included herein has been prepared by management

without audit by independent registered public accountants.

The accompanying notes are an integral part of these consolidated financial statements.

7

PIONEER NATURAL RESOURCES COMPANY

CONSOLIDATED STATEMENTS OF EQUITY

(in millions, except share data and dividends per share)

(Unaudited)

	Shares Outstanding	Common Shares		Additional Paid-in Capital		Treasury Shares		Retained Earnings		Total Equity
	(in thousands)
Balance as of December 31, 2023	233,623	$	2	$	18,506	$	(2,617)	$	7,280	$	23,171
Dividends declared ($2.56 per share)	—	—		—		—		(603)		(603)
Convertible senior note conversions:
Conversion premium	—	—		(110)		—		—		(110)
Capped call proceeds	—	—		23		—		—		23
Issuance fees and deferred taxes	—	—		(5)		—		—		(5)
Purchases of treasury shares	(12)	—		—		(3)		—		(3)
Share-based compensation:
Vested compensation awards	46	—		—		—		—		—
Compensation costs included in net income	—	—		22		—		—		22
Net income	—	—		—		—		1,095		1,095
Balance as of March 31, 2024	233,657	$	2	$	18,436	$	(2,620)	$	7,772	$	23,590

The financial information included herein has been prepared by management

without audit by independent registered public accountants.

The accompanying notes are an integral part of these consolidated financial statements.

8

PIONEER NATURAL RESOURCES COMPANY

CONSOLIDATED STATEMENTS OF EQUITY (continued)

(in millions, except share data and dividends per share)

(Unaudited)

	Shares Outstanding	Common Shares		Additional Paid-in Capital		Treasury Shares		Retained Earnings		Total Equity
	(in thousands)
Balance as of December 31, 2022	236,036	$	2	$	18,779	$	(1,925)	$	5,685	$	22,541
Dividends declared ($5.58 per share)	—	—		—		—		(1,314)		(1,314)
Convertible senior note conversions:
Conversion premium	—	—		(138)		—		—		(138)
Capped call proceeds	—	—		31		—		—		31
Issuance fees and deferred taxes	—	—		(7)		—		—		(7)
Purchases of treasury shares	(2,499)	—		—		(520)		—		(520)
Share-based compensation:
Vested compensation awards	199	—		—		—		—		—
Compensation costs included in net income	—	—		23		—		—		23
Net income	—	—		—		—		1,222		1,222
Balance as of March 31, 2023	233,736	$	2	$	18,688	$	(2,445)	$	5,593	$	21,838

The financial information included herein has been prepared by management

without audit by independent registered public accountants.

The accompanying notes are an integral part of these consolidated financial statements.

9

PIONEER NATURAL RESOURCES COMPANY

CONSOLIDATED STATEMENTS OF CASH FLOWS

(in millions)

(Unaudited)

	Three Months Ended March 31,
	2024		2023
Cash flows from operating activities:
Net income	$	1,095	$	1,222
Adjustments to reconcile net income to net cash provided by operating activities:
Depletion, depreciation and amortization	774		664
Exploration expenses	6		—
Deferred income taxes	71		110
Gain on disposition of assets, net	(2)		(25)
Accretion of discount on asset retirement obligations	5		4
Interest expense	2		3
Derivative-related activity	98		36
Amortization of share-based compensation	22		23
Investment valuation adjustments	5		53
Other	29		51
Changes in operating assets and liabilities:
Accounts receivable	(231)		461
Inventories	(17)		(63)
Other assets	(148)		(63)
Accounts payable	(34)		(380)
Interest payable	(32)		(16)
Income taxes payable	190		225
Other liabilities	113		9
Net cash provided by operating activities	1,946		2,314
Cash flows from investing activities:
Proceeds from disposition of assets	3		4
Additions to oil and gas properties	(922)		(1,180)
Additions to other assets and other property and equipment	(45)		(28)
Net cash used in investing activities	(964)		(1,204)
Cash flows from financing activities:
Proceeds from borrowings and issuance of debt, net of discount	105		1,449
Repayment of debt	(292)		(580)
Proceeds from capped call on convertible notes	23		31
Payments of other liabilities	(4)		(4)
Payments of financing fees	—		(7)
Purchases of treasury shares	(3)		(520)
Dividends paid	(600)		(1,319)
Net cash used in financing activities	(771)		(950)
Net increase in cash and cash equivalents	211		160
Cash and cash equivalents, beginning of period	240		1,032
Cash and cash equivalents, end of period	$	451	$	1,192

The financial information included herein has been prepared by management

without audit by independent registered public accountants.

The accompanying notes are an integral part of these consolidated financial statements.

10

PIONEER NATURAL RESOURCES COMPANY

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2024

(Unaudited)

Note 1. Organization and Nature of Operations

Pioneer is a Delaware corporation whose common shares are listed and traded on the NYSE. The Company is a large independent oil and gas exploration and production company that explores for, develops and produces oil, NGLs and gas in the Midland Basin in West Texas.

Planned merger of the Company with Exxon Mobil Corporation. On October 10, 2023, the Company entered into an Agreement and Plan of Merger (the "Merger Agreement") with Exxon Mobil Corporation, a New Jersey corporation ("ExxonMobil"), and a subsidiary of ExxonMobil, pursuant to which, and subject to the terms and conditions thereof, the Company will merge with the subsidiary and become a wholly-owned subsidiary of ExxonMobil (the "Merger"). Under the terms of the Merger Agreement, each eligible share of the Company's common stock will be converted into the right to receive 2.3234 shares of ExxonMobil common stock (the "Exchange Ratio"). On February 7, 2024, the Company's shareholders adopted the Merger Agreement at a special meeting of shareholders. Completion of the Merger remains subject to certain conditions. The Merger is currently expected to close in the second quarter of 2024; however, no assurance can be given as to when, or if, the Merger will occur.

The above description of the Merger Agreement and the transactions contemplated thereby, including certain referenced terms, is a summary of certain principal terms and conditions contained in the Merger Agreement.

Note 2. Basis of Presentation

Presentation. In the opinion of management, the unaudited interim consolidated financial statements of the Company as of March 31, 2024 and for the three months ended March 31, 2024 and 2023 include all adjustments and accruals, consisting only of normal, recurring adjustments and accruals necessary for a fair presentation of the results for the interim periods in conformity with GAAP. The operating results for the three months ended March 31, 2024 are not necessarily indicative of results for a full year.

Certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted in accordance with the rules and regulations of the SEC. These unaudited interim consolidated financial statements should be read together with the consolidated financial statements and notes thereto included in the Company's Annual Report on Form 10-K for the year ended December 31, 2023.

Use of estimates in the preparation of financial statements. Preparation of the Company's consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from the estimates and assumptions utilized.

Note 3. Nonmonetary Transactions

During the three months ended March 31, 2023, the Company's nonmonetary transactions included exchanges of both proved and unproved oil and gas properties in the Midland Basin with unaffiliated third parties. Certain of these transactions were determined to have commercial substance, which led to those transactions being accounted for at fair value, and resulted in the Company recording a gain of $24 million to net gain on disposition of assets in the consolidated statements of operations and $162 million of noncash investing activities for the three months ended March 31, 2023. Nonmonetary transactions that do not have commercial substance are recorded at carryover basis.

Note 4. Fair Value Measurements

The Company determines fair value based on the price that would be received from selling an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Fair value measurements are based upon inputs that market participants use in pricing an asset or liability, which are characterized according to a hierarchy that prioritizes those inputs based on the degree to which they are observable. Observable inputs represent market data obtained from independent sources, whereas unobservable inputs reflect a company's own market assumptions, which are used if observable inputs are not reasonably available without undue cost and effort. The fair value input hierarchy level to which an asset or liability measurement in its entirety falls is determined based on the lowest level input that is significant to the measurement in its entirety.

11

PIONEER NATURAL RESOURCES COMPANY

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2024

(Unaudited)

The three input levels of the fair value hierarchy are as follows:

•Level 1 – quoted prices for identical assets or liabilities in active markets.

•Level 2 – quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in markets that are not active; inputs other than quoted prices that are observable for the asset or liability (e.g. interest rates) and inputs derived principally from or corroborated by observable market data by correlation or other means.

•Level 3 – unobservable inputs for the asset or liability, typically reflecting management's estimate of assumptions that market participants would use in pricing the asset or liability. The fair values are therefore determined using model-based techniques, including discounted cash flow models.

Assets and liabilities measured at fair value on a recurring basis.

	As of March 31, 2024
	Fair Value Measurements
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
	(in millions)
Assets:
Investment in affiliate	$	134	$	—	$	—	$	134
Deferred compensation plan assets	67		—		—		67
	$	201	$	—	$	—	$	201
Liabilities:
Conversion option derivatives	$	—	$	2	$	—	$	2
Marketing derivatives	—		—		224		224
	$	—	$	2	$	224	$	226

	As of December 31, 2023
	Fair Value Measurements
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
	(in millions)
Assets:
Investment in affiliate	$	139	$	—	$	—	$	139
Deferred compensation plan assets	65		—		—		65
Conversion option derivatives	—		1		—		1
	$	204	$	1	$	—	$	205
Liabilities:
Marketing derivatives	$	—	$	—	$	129	$	129

12

PIONEER NATURAL RESOURCES COMPANY

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2024

(Unaudited)

Gains and losses recorded in the consolidated statements of operations related to assets and liabilities measured at fair value on a recurring basis are as follows:

	Three Months Ended March 31,
	2024		2023
	(in millions)
Investment in affiliate valuation adjustment	$	(5)	$	(53)
Deferred compensation plan asset valuation adjustment	$	3	$	(1)
Derivative loss, net:
Marketing derivatives:
Noncash derivative loss	$	(95)	$	(36)
Cash payments on settled derivatives	(20)		(15)
Total marketing derivative loss	(115)		(51)
Conversion option derivatives:
Noncash derivative loss, net	(3)		—
Cash receipts (payments) on settled derivatives, net	(4)		7
Total conversion option derivative gain (loss), net	(7)		7
	$	(122)	$	(44)

Investment in affiliate. The Company elected the fair value option for measuring its equity method investment in ProPetro Holding Corp. ("ProPetro"). The fair value of the Company's investment in ProPetro common shares is determined using Level 1 inputs based on observable prices on a major exchange and changes in fair value are recorded in net interest and other income (loss) in the consolidated statements of operations. See Note 10 for additional information.

Deferred compensation plan assets. The Company's deferred compensation plan assets include investments in equity and mutual fund securities that are actively traded on major exchanges. The fair value of these investments is determined using Level 1 inputs based on observable prices on major exchanges and changes in fair value are recorded in net interest and other income (loss) in the consolidated statements of operations.

Conversion option derivatives. In May 2020, the Company issued $1.3 billion principal amount of convertible senior notes due 2025 (the "Convertible Notes"). Certain holders of the Convertible Notes have exercised their conversion options per the terms of the notes' indenture. The Company elected to settle the conversions in cash, with settlement occurring 25 trading days from the notice of conversion (the "Settlement Period"). The Company's election to settle an exercised conversion option in cash results in a forward contract during the Settlement Period that is accounted for as a derivative instrument not designated as a hedge. The change in fair value of the conversion option derivatives during the Settlement Period is primarily determined based on Level 2 inputs related to the daily volumetric weighted average prices of the Company's common shares during the Settlement Period. See Note 6 for additional information.

Marketing derivatives. The Company uses marketing derivatives to diversify its oil pricing to Gulf Coast and international markets. The Company's marketing derivatives reflect long-term marketing contracts with Occidental Energy Marketing, Inc. ("Oxy") whereby the Company agreed to purchase and simultaneously sell, at an oil terminal in Midland, Texas, (i) 50 thousand barrels of oil per day beginning January 1, 2021 and ending December 31, 2026, (ii) 40 thousand barrels of oil per day beginning May 1, 2022 and ending April 30, 2027 and (iii) 30 thousand barrels of oil per day beginning August 1, 2022 and ending July 31, 2027. The price the Company pays to purchase the oil volumes under the purchase contract is based on a Midland oil price and the price the Company receives for the oil volumes sold is the WASP that Oxy receives for selling oil through a Gulf Coast storage and export facility at prices that are highly correlated with Brent oil prices during the same month of the purchase. Based on the form of the long-term marketing contracts, the Company accounts for the contracts as derivative instruments not designated as hedges. The asset and liability measurements for the long-term marketing contracts are determined using both Level 2 and 3 inputs. The Company utilizes a discounted cash flow model for valuing the marketing derivatives.

The values attributable to the Company's marketing derivatives that are determined based on Level 2 inputs include (i) the contracted notional volumes, (ii) independent active market price quotes, (iii) the applicable estimated credit-adjusted

13

PIONEER NATURAL RESOURCES COMPANY

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2024

(Unaudited)

risk-free rate yield curve and (iv) stated contractual rates. The Level 3 inputs attributable to the Company's marketing derivatives include the historical monthly differential between Brent oil prices and Oxy's WASP ("WASP Differential Deduction") and, to a lesser extent, an estimated annual cost inflation rate. The average WASP Differential Deduction used in the fair value determination as of March 31, 2024 and December 31, 2023 was $1.90 per barrel and $1.66 per barrel, respectively. The WASP Differential Deduction and the estimated annual cost inflation rate reflects management's best estimate of future results utilizing historical performance, however these estimates are not observable inputs by a market participant and contain a high degree of uncertainty. The Company experiences mark-to-market fluctuations in the fair value of its marketing derivatives based on changes in the WASP Differential Deduction if it deviates from historical levels. For example, a 10 percent increase or decrease in the WASP Differential Deduction would impact the fair value of the Company's marketing derivatives recorded by $23 million as of March 31, 2024.

Derivative financial instruments are presented in the Company's consolidated balance sheets as follows:

As of March 31, 2024
Type	Consolidated Balance Sheet Location	Fair Value		Gross Amounts Offset in the Consolidated Balance Sheet		Net Fair Value Presented in the Consolidated Balance Sheet
		(in millions)
Liabilities:
Marketing derivatives	Derivatives - current	$	111	$	—	$	111
Conversion option derivatives	Derivatives - current	$	2	$	—	$	2
Marketing derivatives	Derivatives - noncurrent	$	113	$	—	$	113

As of December 31, 2023
Type	Consolidated Balance Sheet Location	Fair Value		Gross Amounts Offset in the Consolidated Balance Sheet		Net Fair Value Presented in the Consolidated Balance Sheet
		(in millions)
Assets:
Conversion option derivatives	Prepaids and other	$	1	$	—	$	1
Liabilities:
Marketing derivatives	Derivatives - current	$	53	$	—	$	53
Marketing derivatives	Derivatives - noncurrent	$	76	$	—	$	76

Assets and liabilities measured at fair value on a nonrecurring basis. Certain assets and liabilities are measured at fair value on a nonrecurring basis. These assets and liabilities are not measured at fair value on an ongoing basis, but are subject to fair value adjustments in certain circumstances. These assets and liabilities can include inventories, proved and unproved oil and gas properties, goodwill, asset retirement obligations and other long-lived assets that are written down to fair value when they are determined to be impaired or held for sale.

Nonmonetary transactions. Oil and gas property nonmonetary transactions that have commercial substance are valued as of the transaction date based on income and market based approaches utilizing Level 3 inputs, including internally generated development and production profiles and price and cost assumptions. During the three months ended March 31, 2023, the Company recorded a gain of $24 million to net gain on disposition of assets in the consolidated statements of operations associated with nonmonetary transactions. See Note 3 for additional information.

Other long-lived assets. The Company reviews its long-lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. If such assets are considered to be impaired, the impairment charge is measured as the amount by which the carrying amount of the asset exceeds its estimated fair value determined using either a discounted future cash flow model or another appropriate fair value method. As a result of the Company's impairment assessments of unoccupied facilities during the three months ended March 31, 2023, the Company recorded $11 million of noncash impairment charges in other expense in the consolidated statements of operations. See Note 12 for additional information.

14

PIONEER NATURAL RESOURCES COMPANY

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2024

(Unaudited)

Financial instruments not carried at fair value.

	As of March 31, 2024				As of December 31, 2023
	Carrying Value		Fair Value		Carrying Value		Fair Value
	(in millions)
Assets:
Cash and cash equivalents (a)	$	451	$	451	$	240	$	240
Liabilities:
Current portion of debt:
Convertible senior notes (b)	$	11	$	31	$	28	$	68
Long-term debt:
Convertible senior notes (b)	$	448	$	1,286	$	507	$	1,239
Senior notes (b)	$	4,302	$	3,935	$	4,300	$	3,981

______________________

(a)Fair value approximates carrying value due to the short-term nature of the instruments.

(b)Fair value is determined using Level 2 inputs. The Company's senior notes are quoted, but not actively traded on major exchanges; therefore, fair value is based on periodic values as quoted on major exchanges. See Note 6 for additional information.

The Company has other financial instruments consisting primarily of receivables, payables and other current assets and liabilities that approximate fair value due to the nature of the instrument and their relatively short maturities.

Note 5. Exploratory Well and Project Costs

The Company capitalizes exploratory well and project costs until a determination is made that the well or project has either found proved reserves, is impaired or is sold. The Company's capitalized exploratory well and project costs are included in proved properties in the consolidated balance sheets. If the exploratory well or project is determined to be impaired, the impaired costs are recorded in exploration and abandonments expense in the consolidated statements of operations.

The changes in capitalized exploratory well and project costs are as follows:

	Three Months Ended  March 31, 2024
	(in millions)
Beginning capitalized exploratory well and project costs	$	784
Additions to exploratory well and project costs pending the determination of proved reserves	775
Reclassifications due to determination of proved reserves	(728)
Ending capitalized exploratory well and project costs	$	831

Aging of capitalized exploratory costs and the number of projects for which exploratory well costs have been capitalized based on the date drilling was completed, are as follows:

	As of March 31, 2024		As of December 31, 2023
	(in millions, except project counts)
One year or less	$	831	$	784
More than one year	—		—
	$	831	$	784
Number of projects with exploratory well costs that have been suspended for a period greater than one year	—		—

15

PIONEER NATURAL RESOURCES COMPANY

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2024

(Unaudited)

Note 6. Debt and Interest Expense

The components of debt, including the effects of issuance costs and net discounts, are as follows:

	As of March 31, 2024		As of December 31, 2023
	(in millions)
Outstanding debt principal balances:
0.250% convertible senior notes due 2025	$	460	$	537
5.100% senior notes due 2026	1,100		1,100
1.125% senior notes due 2026	750		750
7.200% senior notes due 2028	241		241
4.125% senior notes due 2028 (a)	138		138
1.900% senior notes due 2030	1,100		1,100
2.150% senior notes due 2031	1,000		1,000
	4,789		4,866
Issuance costs and discounts, net	(28)		(31)
Total debt	4,761		4,835
Less current portion of debt	11		28
Long-term debt	$	4,750	$	4,807

______________________

(a)Assumed in the acquisition of Parsley Energy, Inc. on January 12, 2021.

Credit facility. The Company maintains a revolving corporate credit facility (the "Credit Facility") with a syndicate of financial institutions ("Syndicate") and has aggregate loan commitments of $2.0 billion. The Credit Facility has a maturity date of January 12, 2026. As of March 31, 2024, the Company had no outstanding borrowings under the Credit Facility. The Company had intermittent borrowings and repayments of $105 million and $350 million during the three months ended March 31, 2024 and 2023, respectively. The Credit Facility requires the maintenance of a ratio of total debt to book capitalization, subject to certain adjustments, not to exceed 0.65 to 1.0. As of March 31, 2024, the Company was in compliance with its debt covenants.

Senior notes. The Company's senior notes are general unsecured obligations ranking equally in right of payment with all other senior unsecured indebtedness of the Company and are senior in right of payment to all existing and future subordinated indebtedness of the Company. The Company is a holding company that conducts all of its operations through subsidiaries; consequently, the senior notes are structurally subordinated to all obligations of its subsidiaries. Interest on the Company's senior notes is payable semiannually.

Convertible senior notes. The Convertible Notes bear a fixed interest rate of 0.250% per year, with interest payable semiannually on May 15 and November 15. The Convertible Notes will mature on May 15, 2025, unless earlier redeemed, repurchased or converted. The Convertible Notes are unsecured obligations ranking equally in right of payment with all other senior unsecured indebtedness of the Company.

As of March 31, 2024, the Convertible Notes are convertible at an adjusted conversion rate of 10.9539 shares of the Company's common shares per $1,000 principal amount of the Convertible Notes (subject to further adjustment pursuant to the terms of the notes' indenture, the "Conversion Rate"), which represents an adjusted conversion price of $91.29 per share (subject to adjustment pursuant to the terms of the notes indenture, the "Conversion Price"). Upon conversion, the Convertible Notes may be settled in cash, the Company's common shares or a combination thereof, at the Company's election.

16

PIONEER NATURAL RESOURCES COMPANY

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2024

(Unaudited)

Holders of the Convertible Notes may convert their notes at their option prior to February 15, 2025 under the following circumstances:

•during the quarter following any quarter during which the last reported sales price of the Company's common shares for at least 20 of the last 30 consecutive trading days of such quarter exceeds 130 percent of the Conversion Price;

•during the five-business day period following any five consecutive trading day period when the trading price of the Convertible Notes is less than 98 percent of the product of the last reported sales price of the Company's common shares and the Conversion Rate;

•upon notice of redemption by the Company; or

•upon the occurrence of specified corporate events, including certain consolidations or mergers.

On or after February 15, 2025, until the close of business on the second scheduled trading day immediately preceding the maturity date, holders may convert their notes at any time. Currently, the Company may redeem the Convertible Notes only if the last reported sale price of the Company's common shares has been at least 130 percent of the Conversion Price for at least 20 trading days (whether or not consecutive) during any 30 consecutive trading day period ending on, and including, the trading day immediately preceding the date on which the Company provides the notice of redemption. The redemption price is equal to 100 percent of the principal amount of the Convertible Notes to be redeemed, plus accrued and unpaid interest.

In connection with the issuance of the Convertible Notes, the Company entered into privately negotiated capped call transactions with certain financial institution counterparties (the "Capped Call"), the purpose of which was to reduce the potential dilution to the Company's common shares upon conversion of the Convertible Notes and/or offset any cash payments the Company is required to make in excess of the principal amount of such converted notes, with such reduction and offset subject to a capped price. As of March 31, 2024, the Capped Call transactions have an adjusted strike price of $91.29 per share of common shares and an adjusted capped price of $129.92 per share of common shares.

As of March 31, 2024, the effective annual interest rate on the Convertible Notes is 0.6 percent after giving effect to deferred financing fees relating to the notes.

Convertible Note conversions. During the last 30 consecutive trading days of the first quarter of 2021 through the first quarter of 2024, the last reported sales price of the Company's common shares exceeded 130 percent of the Conversion Price for at least 20 trading days, causing the Convertible Notes to be convertible at the option of the holders during the period from April 1, 2021 through June 30, 2024.

Certain holders of the Convertible Notes exercised their conversion option resulting in the Company recognizing the following cash payments and cash receipts associated with the conversions:

	Three Months Ended March 31,
	2024		2023
	(in millions)
Cash payments:
Principal repayments	$	77	$	92
Conversion premiums	110		138
Conversion option derivative payments, net	4		—
Cash payments, net	$	191	$	230
Cash receipts:
Capped Call proceeds	$	23	$	31
Conversion option derivative receipts, net	—		7
Cash receipts, net	$	23	$	38

The Company recorded the conversion premiums paid, Capped Call proceeds and associated issuance fees and deferred taxes attributable to the principal amount of the Convertible Notes converted in additional paid-in-capital.

As of March 31, 2024 and December 31, 2023, $11 million and $28 million, respectively, of the principal amount of the Convertible Notes remained in the Settlement Period and are recorded in the current portion of debt in the consolidated balance

17

PIONEER NATURAL RESOURCES COMPANY

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2024

(Unaudited)

sheets for each respective period. The current portion of Convertible Notes, as of March 31, 2024, will be cash settled at the end of their respective Settlement Periods during the second quarter of 2024.

Note 7. Incentive Plans

Long-Term Incentive Plan. The Company's Amended and Restated 2006 Long-Term Incentive Plan ("LTIP") provides for the granting of various forms of awards, including stock options, stock appreciation rights, performance units, restricted shares and restricted stock units to directors, officers and employees of the Company.

Share-based compensation expense for (i) restricted stock awards and units expected to be settled in the Company's common shares ("Equity Awards"), (ii) restricted stock units expected to be settled in cash ("Liability Awards"), (iii) performance units ("Performance Awards") issued under the LTIP and (iv) shares issued under the Company's Employee Stock Purchase Plan ("ESPP") are as follows:

	Three Months Ended March 31,
	2024		2023
	(in millions)
Equity Awards	$	19	$	13
Liability Awards (a)	4		3
Performance Awards	2		9
ESPP	1		1
	$	26	$	26
Capitalized share-based compensation expense	$	5	$	4

______________________

(a)Liability Awards are expected to be settled on their vesting date in cash. As of March 31, 2024 and December 31, 2023, accounts payable – due to affiliates included $8 million and $5 million, respectively, of liabilities attributable to Liability Awards.

As of March 31, 2024, there is $103 million of unrecognized share-based compensation expense related to unvested share-based compensation awards of which $17 million is attributable to Liability Awards. The unrecognized compensation expense will be recognized on a straight-line basis over the remaining requisite service periods of the awards, which is a period of less than three years on a weighted average basis. Expense for the Performance Awards granted in 2023 is estimated based upon the achievement of certain financial performance targets and is reassessed periodically. The cumulative impact of any change in estimate is reflected in the period of the change. The Company did not grant Performance Awards in 2024.

Per the change in control terms of award agreements, any Equity Awards, Liability Awards and Performance Awards granted prior to October 10, 2023 that are outstanding immediately prior to the completion of a change in control event will become vested. Additionally, in accordance with the Merger Agreement, outstanding Performance Awards vest at their maximum payout percentage, which may impact future share-based compensation expense based upon the fair value of the awards as of the modification date.

18

PIONEER NATURAL RESOURCES COMPANY

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2024

(Unaudited)

Activity for Equity Awards, Liability Awards, and Performance Awards is as follows:

	Three Months Ended March 31, 2024
	Equity Awards	Liability Awards	Performance Awards (a)
Beginning awards	403,324	102,632	191,778
Awards granted	151,568	2,657	—
Awards forfeited	(3,573)	(2,893)	—
Awards vested (b)	(45,049)	(2,176)	—
Ending awards	506,270	100,220	191,778

______________________

(a)Reflects the number of performance units initially granted assuming a target payout percentage. In accordance with the Merger Agreement, outstanding Performance Awards will vest at their maximum payout percentage upon closing.

(b)Per the terms of award agreements and elections, the issuance of common shares may be deferred for certain Equity Awards that vest during the period.

Note 8. Asset Retirement Obligations

The Company's asset retirement obligations primarily relate to the future plugging and abandonment of wells and related facilities. Market risk premiums associated with asset retirement obligations are estimated to represent a component of the Company's credit-adjusted risk-free rate that is utilized in the calculations of asset retirement obligations. The Company includes the current and noncurrent portions of asset retirement obligations in other current liabilities and other liabilities, respectively, in the consolidated balance sheets and expenditures are included as cash used in operating activities in the consolidated statements of cash flows.

Asset retirement obligations activity is as follows:

	Three Months Ended March 31, 2024
	(in millions)
Beginning asset retirement obligations	$	459
Additions	2
Liabilities settled	(24)
Accretion of discount	5
Ending asset retirement obligations	442
Less current portion of asset retirement obligations	(90)
Asset retirement obligations, long-term	$	352

The Company's wells and related facilities abandonment costs generally approximate their estimated asset retirement obligations.

Note 9. Commitments and Contingencies

Indemnifications. The Company has agreed to indemnify its directors and certain of its officers, employees and agents with respect to claims and damages arising from acts or omissions taken in such capacity, as well as with respect to certain litigation.

Legal actions. The Company is party to various proceedings and claims incidental to its business and in connection with the Merger. While many of these matters involve inherent uncertainty, the Company believes that the amount of the liability, if any, ultimately incurred with respect to these proceedings and claims will not have a material adverse effect on the Company's consolidated financial position as a whole or on its liquidity, capital resources or future annual results of operations. The Company records reserves for contingencies when information available indicates that a loss is probable and the amount of the loss can be reasonably estimated. Significant judgement is required in making these estimates and the Company's final liabilities may ultimately be materially different.

19

PIONEER NATURAL RESOURCES COMPANY

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2024

(Unaudited)

Environmental. Environmental expenditures that relate to an existing condition caused by past operations and that have no future economic benefits are expensed. Environmental expenditures that extend the life of the related property or mitigate or prevent future environmental contamination are capitalized. Liabilities for expenditures that will not qualify for capitalization are recorded when environmental assessment and/or remediation is probable and the costs can be reasonably estimated. Such liabilities are undiscounted unless the timing of cash payments for the liability is fixed or reliably determinable. Environmental liabilities normally involve estimates that are subject to revision until settlement or remediation occurs.

Obligations following divestitures. In connection with its divestiture transactions, the Company may retain certain liabilities and provide the purchaser certain indemnifications, subject to defined limitations, which may apply to identified pre-closing matters, including matters of litigation, environmental contingencies, royalties and income taxes.

The Company may also be subject to retained liabilities with respect to certain divested assets by operation of law. Upon divesting its assets, the Company may receive collateral or credit support for its exposure to such liabilities. The Company establishes reserves for the amount that exceeds the collateral or credit support received in the event that the obligation becomes likely to be paid by the Company. For example, the Company is exposed to the risk that owners and/or operators of assets purchased from the Company may become unable to satisfy plugging or abandonment obligations associated with those assets. In that event, due to operation of law, the Company may be required to assume all or part of the plugging or abandonment obligations for those assets. Although the Company may establish reserves for such liabilities, it could be required to pay additional amounts in the future and these amounts could be material.

The Company does not recognize a liability if the fair value of the obligation is immaterial or the likelihood of making payments is remote.

Note 11. Revenue Recognition

Disaggregated revenue from contracts with purchasers. Revenues on sales of oil, NGLs, gas and purchased oil and gas are recognized when control of the product is transferred to the purchaser and payment can be reasonably assured. Sales prices for oil, NGLs and gas are negotiated based on factors normally considered in the industry, such as an index or spot price, distance from the well to the pipeline or market, commodity quality and prevailing supply and demand conditions. Accordingly, the prices received by the Company for oil, NGLs and gas generally fluctuate similar to changes in the relevant market index prices.

Disaggregated revenue from contracts with purchasers by product type is as follows:

	Three Months Ended March 31,
	2024		2023
	(in millions)
Oil sales	$	2,683	$	2,444
NGL sales	429		412
Gas sales	175		310
Total oil and gas revenues	3,287		3,166
Sales of purchased oil	1,613		1,429
Sales of purchased gas	3		2
Total sales of purchased commodities	1,616		1,431
	$	4,903	$	4,597

Performance obligations and contract balances. The majority of the Company's product sale commitments are short-term in nature with a contract term of one year or less. The Company typically satisfies its performance obligations upon transfer of control as described above in Disaggregated revenue from contracts with purchasers and records the related revenue in the month production is delivered to the purchaser. Settlement statements for sales of oil, NGLs, gas and sales of purchased oil and gas may not be received for 30 to 60 days after the date the volumes are delivered, and as a result, the Company is required to estimate the amount of volumes delivered to the purchaser and the price that will be received for the sale of the product. The Company records the differences between estimates and the actual amounts received for product sales in the month that payment is received from the purchaser. As of March 31, 2024 and December 31, 2023, the accounts receivable

20

PIONEER NATURAL RESOURCES COMPANY

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2024

(Unaudited)

balance representing amounts due or billable under the terms of contracts with purchasers was $1.7 billion and $1.5 billion, respectively.

Note 12. Other Expense

The components of other expense are as follows:

	Three Months Ended March 31,
	2024		2023
	(in millions)
ExxonMobil merger-related costs (a)	$	9	$	—
Unoccupied facilities expense (b)	8		9
Legal and environmental contingencies (Note 9)	2		16
Impairment of long-lived assets (Note 4)	—		11
Other	5		5
	$	24	$	41

____________________

(a)Primarily represents legal fees and other transaction costs associated with the ExxonMobil merger.

(b)Primarily represents facilities expense associated with certain offices acquired as part of business combinations that are no longer occupied by the Company.

Note 10. Related Party Transactions

In December 2018, the Company completed the sale of its pressure pumping assets to ProPetro in exchange for 16.6 million shares of ProPetro common shares and $110 million of cash. ProPetro is considered a related party as the shares received represent 15 percent of ProPetro's outstanding common shares. In addition to the sale of equipment and related facilities, the Company entered into a long-term agreement with ProPetro for it to provide pressure pumping and related services that ended on December 31, 2022. The Company continued to utilize ProPetro for pressure pumping and related services for a portion of 2023, but no longer uses such services as of March 31, 2024.

Phillip A. Gobe, a nonemployee member of the Company's Board of Directors (the "Board"), was appointed by the board of directors of ProPetro to serve as its Executive Chairman in October 2019 and Chief Executive Officer in March 2020, and served as Chief Executive Officer and Chairman of the board of directors of ProPetro through August 31, 2021, at which point he continued as ProPetro's Executive Chairman. In March 2022, Mr. Gobe transitioned to non-executive Chairman of the board of directors of ProPetro. Mark S. Berg, the Company's Executive Vice President, Corporate Operations, serves as a member of the ProPetro board of directors under the Company's right to designate a director to the board of directors of ProPetro so long as the Company owns five percent or more of ProPetro's outstanding common shares.

Based on the Company's ownership in ProPetro and representation on the ProPetro board of directors, ProPetro is considered an affiliate.

Charges attributable to ProPetro pressure pumping related services were capitalized in oil and gas properties or charged to other expense as incurred. ProPetro pressure pumping related service charges are as follows:

	Three Months Ended March 31,
	2024		2023
	(in millions)
Pressure pumping related service charges	$	—	$	42

21

PIONEER NATURAL RESOURCES COMPANY

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2024

(Unaudited)

Note 13. Income Taxes

Enactment of the Inflation Reduction Act of 2022. On August 16, 2022, President Biden signed into law the Inflation Reduction Act of 2022 (the "IRA"), which includes, among other things, a corporate alternative minimum tax (the "CAMT"). Under the CAMT, a 15 percent minimum tax is imposed on certain adjusted financial statement income of "applicable corporations." The CAMT generally treats a corporation as an "applicable corporation" in any taxable year in which the "average annual adjusted financial statement income" of the corporation and certain of its subsidiaries and affiliates for a three-taxable-year period ending prior to such taxable year exceeds $1 billion. The U.S. Department of the Treasury and the Internal Revenue Service have issued guidance on the application of the CAMT, which may be relied upon until final regulations are released. If the Company's CAMT liability is greater than its regular U.S. federal income tax liability for any particular tax year, the CAMT liability would effectively accelerate its future U.S. federal income tax obligations, reducing its cash flows in that year, but provide an offsetting credit against its regular U.S. federal income tax liability in future tax years. Based on the Company's interpretation of the IRA, CAMT and related guidance, the Company does not expect the CAMT to materially increase its tax obligations for the 2024 taxable year, however, the Company will continue to monitor and assess any impacts of the IRA on the Company's current year tax provision and the Company's consolidated financial statements.

Income tax provisions and effective tax rates are as follows:

	Three Months Ended March 31,
	2024			2023
	(in millions, except tax rates)
Current tax provision	$	238		$	225
Deferred tax provision	71			110
	$	309		$	335
Effective tax rate	22		%	22		%

The Company evaluates and updates its annual effective income tax rate on an interim basis based on current and forecasted earnings and enacted tax laws. The mix and timing of the Company's actual earnings compared to annual projections can cause interim effective tax rate fluctuations. The Company's interim effective tax rate for the three months ended March 31, 2024 and 2023 differed from the U.S. statutory rate of 21 percent primarily due to forecasted state income taxes.

The Company files income tax returns in the U.S. federal jurisdiction and various state jurisdictions. As of March 31, 2024, there are no proposed adjustments in any jurisdiction that would have a material effect on the Company's future results of operations or financial position.

22

PIONEER NATURAL RESOURCES COMPANY

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2024

(Unaudited)

Note 14. Net Income Per Share and Shareholders' Equity

Net income per share. The components of basic and diluted net income per share attributable to common shareholders are as follows:

	Three Months Ended March 31,
	2024		2023
	(in millions, except per share data)
Net income attributable to common shareholders	$	1,095	$	1,222
Participating share-based earnings (a)	(2)		(3)
Basic net income attributable to common shareholders	1,093		1,219
Adjustment to after-tax interest expense to reflect the dilutive impact attributable to Convertible Notes	—		1
Diluted net income attributable to common shareholders	$	1,093	$	1,220
Basic weighted average shares outstanding	234		235
Convertible Notes (b)	5		9
Diluted weighted average shares outstanding	239		244
Net income per share attributable to common shareholders:
Basic	$	4.68	$	5.19
Diluted	$	4.57	$	5.00

______________________

(a)Unvested Equity Awards and Liability Awards represent participating securities because they participate in non-forfeitable dividends with the common equity owners of the Company. Participating share-based earnings represent the distributed and undistributed earnings of the Company attributable to the participating securities. Unvested Equity Awards and Liability Awards do not participate in undistributed net losses as they are not contractually obligated to do so. The dilutive effect of the reallocation of participating share-based earnings to diluted net income attributable to common shareholders was negligible.

(b)Diluted weighted average common shares outstanding includes the dilutive effect had the Company's Convertible Notes been converted as of the beginning of the three months ended March 31, 2024 and 2023, respectively. If converted by the holder, the Company may settle in cash, Company's common shares or a combination thereof, at the Company's election. See Note 6 for additional information.

Shareholders' equity. The Company's return of capital strategies include payments of dividends and a share repurchase program. The Board, at its sole discretion, may change its dividend practices and/or the Company's share repurchase program based on the Company's outlook for commodity prices, liquidity, debt levels, capital resources, quarterly operating cash flows or other factors, including terms set forth in the Merger Agreement. Dividends declared by the Board and shares repurchased during the period are presented in the Company's consolidated statements of equity as dividends declared and purchases of treasury shares, respectively. Dividends paid and shares repurchased during the period are presented as cash used in financing activities in the Company's consolidated statements of cash flows. Dividends that are declared and have not been paid, if any, are included in other current liabilities in the consolidated balance sheets. Share repurchases are included as treasury shares in the consolidated balance sheets.

Dividends. Dividends declared by the Board are as follows:

	Base		Variable		Total		Total
	(per share)		(per share)		(per share)		(in millions)
2024:
First quarter	$	1.25	$	1.31	$	2.56	$	603
2023:
First quarter	$	1.10	$	4.48	$	5.58	$	1,314

23

PIONEER NATURAL RESOURCES COMPANY

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2024

(Unaudited)

The Company can provide no assurance that dividends will be authorized or declared in the future or as to the amount of any future dividends. The Merger Agreement provides certain restrictions on future base and variable dividend declarations, including an agreement that the Company will no longer declare a variable dividend after distributing the variable dividend attributable to the fourth quarter 2023 results.

Share repurchase programs. In April 2023, the Board authorized a $4 billion common share repurchase program to replace the $4 billion common share repurchase program authorized in February 2022. As was the case with previous share repurchase programs, the Company may repurchase shares in accordance with applicable securities laws or pursuant to a trading plan meeting the requirements of Rule 10b5-1 under the Securities Exchange Act of 1934 (the "Exchange Act"), which would permit the Company to repurchase shares at times that may otherwise be prohibited under the Company's insider trading policy.

Expenditures to acquire shares under the share repurchase programs are as follows:

	Three Months Ended March 31,
	2024		2023
	(in millions)
Shares repurchased (a)	$	—	$	500

______________________

(a)The Company repurchased 2.4 million shares during the three months ended March 31, 2023. Expenditures for share repurchases exclude the one percent IRA excise tax.

With limited exceptions, the Merger Agreement precludes the Company from future repurchases or acquisition of the Company's common shares, including repurchases under the Company's share repurchase program.

24

PIONEER NATURAL RESOURCES COMPANY

ITEM 2.    MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS

OF OPERATIONS

Planned Merger of the Company with ExxonMobil

On October 10, 2023, the Company entered into a Merger Agreement with ExxonMobil, pursuant to which, and subject to the terms and conditions thereof, the Company will merge with a subsidiary of and become a wholly-owned subsidiary of ExxonMobil. Under the terms of the Merger Agreement, each eligible share of the Company's common shares will be converted into the right to receive 2.3234 shares of ExxonMobil common stock. On February 7, 2024, the Company's shareholders adopted the Merger Agreement at a special meeting of shareholders. Completion of the Merger remains subject to certain conditions. The Merger is currently expected to close in the second quarter of 2024; however, no assurance can be given as to when, or if, the Merger will occur.

The Merger Agreement imposes restrictions on the Company's business and operations during the pendency of the Merger. While the Company does not believe those restrictions are unduly burdensome, they may delay or prevent the Company from taking actions it could otherwise take. Accordingly, the Company's results of operations from before the Merger Agreement may not be comparable to results of operations since the Company entered into the Merger Agreement.

See Note 1 of Notes to Consolidated Financial Statements included in "Item 1. Financial Statements" for additional information.

Oil and Gas Industry Considerations

Supply and demand for oil throughout the world remain volatile. Sanctions, import bans and price caps on Russian oil and petroleum products, implemented by various countries in response to the war in Ukraine, have impacted global oil supply. Most recently, renewed conflict in the Middle East has stoked fears of oil supply instability. From an economic perspective, despite rising interest rates to contend with significant inflation, the global economy remains remarkably resilient, displaying steady growth and slowing inflation. Recent data from China suggested strong gross domestic product ("GDP") growth muted by weak consumer spending and lingering real estate concerns, pointing to a mixed economy. China remains the world's second largest economy and represents a key component of oil demand. These uncertainties have led OPEC to continue to extend its voluntary production cuts during the first half of 2024, while oil production in the U.S., Canada and South America have grown. Average NYMEX oil prices for the three months ended March 31, 2024 and 2023 were $76.95 per Bbl and $76.21 per Bbl, respectively.

Global oil price levels and general inflationary pressures will ultimately depend on various factors that are beyond the Company's control, such as (i) the ability of OPEC and other oil producing nations to manage the global oil supply, (ii) the impact of sanctions and import bans on production from Russia, (iii) the impact on oil supplies from the Middle East should the Middle Eastern conflicts continue to expand, (iv) global oil demand growth, including demand growth from China and India, (v) oilfield services demand, (vi) political stability of oil consuming countries and (vii) the overall health of the global economy. The Company continues to assess and monitor the impact of these factors and consequences on the Company and its operations.

Financial and Operating Performance

The Company's financial and operating performance for the three months ended March 31, 2024 included the following highlights:

•Net income attributable to common shareholders for the three months ended March 31, 2024 was $1.1 billion ($4.57 per diluted share), as compared to net income of $1.2 billion ($5.00 per diluted share) for the same period in 2023. The primary components of the decrease in earnings attributable to common shareholders include:

•a $143 million increase in production costs, primarily attributable to a 10 percent increase in daily sales volumes due to the Company's successful Spraberry/Wolfcamp horizontal drilling program and continued inflationary pressures; and

•a $110 million increase in depletion, depreciation and amortization, primarily due to the aforementioned increase in daily sales volumes;

partially offset by:

•a $121 million increase in oil and gas revenues, primarily due to the aforementioned increase in daily sales volumes, partially offset by a seven percent decrease in average realized commodity prices per BOE in 2024.

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PIONEER NATURAL RESOURCES COMPANY

•During the three months ended March 31, 2024, average daily sales volumes increased on a BOE basis by 10 percent to 747,981 BOEPD, as compared to 680,440 BOEPD during the same period in 2023.

•Average oil prices per Bbl increased to $76.86 during the three months ended March 31, 2024, as compared to $75.15 during the same period in 2023. Average NGL prices per Bbl and average gas prices per Mcf decreased to $24.49 and $1.87, respectively, during the three months ended March 31, 2024, as compared to $27.30 and $3.79, respectively, during the same period in 2023.

•Net cash provided by operating activities decreased during the three months ended March 31, 2024 to $1.9 billion, as compared to $2.3 billion for the same period in 2023. The decrease in net cash provided by operating activities during the three months ended March 31, 2024, as compared to the same period in 2023, is primarily due to an increase in accounts receivable primarily due to increasing oil prices during the three months ended March 31, 2024 as compared to decreasing oil prices during the same period in 2023, partially offset by changes in accounts payable.

•During the three months ended March 31, 2024, the Company declared base and variable dividends of $1.25 per share and $1.31 per share, respectively, resulting in total dividends declared of $603 million, as compared to base and variable dividends of $1.10 per share and $4.48 per share, respectively, resulting in total dividends declared of $1.3 billion during the same period in 2023.

•During the three months ended March 31, 2024, the Company repurchased no shares under the Company's share repurchase program, as compared to repurchases of 2.4 million shares for $500 million during the same period in 2023.

•As of March 31, 2024 and December 31, 2023, the Company's net debt to book capitalization was 15 percent and 17 percent, respectively.

Drilling Highlights

As of March 31, 2024, the Company's drilling and completions program included operating 20 drilling rigs and five frac fleets in the Midland Basin. The Company will continue to evaluate its drilling and completions program with future activity levels assessed regularly.

Pioneer is the largest acreage holder in the Spraberry/Wolfcamp field in the Midland Basin of West Texas. In the southern portion of the Spraberry/Wolfcamp field, the Company has a joint venture ("JV") with Sinochem Petroleum USA LLC, a U.S. subsidiary of the Sinochem Group. During the three months ended March 31, 2024, the Company successfully completed 116 horizontal wells in the non-JV portion of the Midland Basin and 22 horizontal wells in the JV portion of the Midland Basin. In the non-JV portion of the Midland Basin, 46 percent of the horizontal wells placed on production were Spraberry interval wells, 30 percent were Wolfcamp A interval wells, 22 percent were Wolfcamp B interval wells and the remaining two percent were Wolfcamp D interval wells. In the southern JV portion of the Midland Basin, all of the wells placed on production were Wolfcamp A or B interval wells.

Development and exploration/extension drilling activity is as follows:

	Three Months Ended March 31, 2024
	Development	Exploration/Extension
Beginning wells in progress	52	273
Wells spud	43	93
Successful wells	(7)	(131)
Ending wells in progress	88	235

Costs incurred are as follows:

	Three Months Ended March 31, 2024
	( in millions)
Proved property acquisition costs	$	6
Unproved property acquisitions	20
Exploration/extension costs	767
Development costs	302
Asset retirement obligations	1
	$	1,096

26

PIONEER NATURAL RESOURCES COMPANY

Results of Operations

Oil and gas revenues. The Company's oil and gas revenues are derived from sales of oil, NGL and gas production. Increases or decreases in the Company's revenues, profitability and future production are highly dependent on commodity prices. Prices are market driven and future prices will fluctuate due to supply and demand factors, availability of transportation, seasonality, geopolitical developments and economic factors, among other items.

	Three Months Ended March 31,
	2024			2023			Change
	(in millions, except volumes)
Oil and gas revenues	$	3,287		$	3,166		$	121
Average daily sales volumes:
Oil (Bbls)	383,541			361,316			6		%
NGLs (Bbls)	192,640			167,486			15		%
Gas (Mcf)	1,030,807			909,831			13		%
Total (BOE)	747,981			680,440			10		%
Liquids percentage of total production	77		%	78		%	(1)		%

Average daily BOE sales volumes increased for the three months ended March 31, 2024, as compared to the same period in 2023, primarily due to the Company's successful Spraberry/Wolfcamp horizontal drilling program.

The oil, NGL and gas prices reported by the Company are based on the market prices received for each commodity. Oil prices marginally increased for the three months ended March 31, 2024, as compared to the same period in 2023. NGL and gas prices decreased due to U.S. natural gas production continuing to grow and outpace demand. The average realized prices are as follows:

	Three Months Ended March 31,
	2024		2023		Change
Oil price per Bbl	$	76.86	$	75.15	2	%
NGL price per Bbl	$	24.49	$	27.30	(10	%)
Gas price per Mcf	$	1.87	$	3.79	(51	%)
Price per BOE	$	48.29	$	51.69	(7	%)

Net effect from sales of purchased commodities. The Company enters into pipeline capacity commitments in order to secure available oil, NGL and gas transportation capacity from the Company's areas of production and to secure diesel supply from the Gulf Coast. The Company also enters into purchase commitments to secure sand supply for the Company's operations in the Midland Basin. The Company enters into purchase transactions with third parties and separate sale transactions with third parties to diversify a portion of the Company's oil and gas sales to (i) Gulf Coast refineries, (ii) Gulf Coast and West Coast gas markets and (iii) international oil markets, and to satisfy unused gas pipeline capacity commitments. The Company periodically sells diesel and sand to unaffiliated third parties in the Permian Basin if it has supply in excess of its operational needs. Revenues and expenses from these transactions are generally presented on a gross basis in sales of purchased commodities and purchased commodities expense in the accompanying consolidated statements of operations as the Company acts as a principal in the transaction by assuming both the risks and rewards of ownership, including credit risk, of the commodities purchased and the responsibility to deliver the commodities sold. In conjunction with the Company's downstream sales, the Company also enters into pipeline capacity and storage commitments in order to secure available oil and gas transportation capacity from the Company's areas of production to downstream sales points and storage capacity at downstream sales points. The transportation and storage costs associated with these transactions are included in purchased commodities expense.

The net effect from sales of purchased commodities is as follows:

	Three Months Ended March 31,
	2024		2023		Change
	(in millions)
Sales of purchased commodities	$	1,616	$	1,431	$	185
Purchased commodities expense	1,648		1,485		163
	$	(32)	$	(54)	$	22

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PIONEER NATURAL RESOURCES COMPANY

The change in net sales of purchased commodities for the three months ended March 31, 2024, as compared to the same period in 2023, is primarily due to noncash valuation adjustments on purchased commodity inventory as a result of increasing commodity prices during the three months ended March 31, 2024, as compared to decreasing commodity prices during the same period in 2023.

Firm transportation payments on excess pipeline capacity are included in other expense in the accompanying consolidated statements of operations. See Note 12 of Notes to Consolidated Financial Statements included in "Item 1. Financial Statements" for additional information.

Interest and other income (loss), net.

	Three Months Ended March 31,
	2024		2023		Change
	(in millions)
Interest and other income (loss), net	$	28	$	(37)	$	65

The change in net interest and other income (loss) for the three months ended March 31, 2024, as compared to the same period in 2023, is primarily due to changes in the fair value of the Company's investment in affiliate resulting in a noncash loss of $5 million in 2024, as compared to a noncash loss of $53 million in 2023.

See Note 4 of Notes to Consolidated Financial Statements included in "Item 1. Financial Statements" for additional information on changes in fair value related to the Company's investment in affiliate.

Derivative loss, net.

	Three Months Ended March 31,
	2024		2023		Change
	(in millions)
Marketing derivatives:
Noncash derivative loss	$	(95)	$	(36)	$	(59)
Cash payments on settled derivatives	(20)		(15)		(5)
Total marketing derivative loss	(115)		(51)		(64)
Conversion option derivatives:
Noncash derivative loss, net	(3)		—		(3)
Cash receipts (payments) on settled derivatives, net	(4)		7		(11)
Total conversion option derivative gain (loss), net	(7)		7		(14)
	$	(122)	$	(44)	$	(78)

Marketing derivatives. The Company uses marketing derivatives to diversify its oil pricing to Gulf Coast and international markets. As of March 31, 2024, the Company's marketing derivatives reflect long-term marketing contracts whereby the Company agreed to purchase and simultaneously sell, at an oil terminal in Midland, Texas, (i) 50 thousand barrels of oil per day beginning January 1, 2021 and ending December 31, 2026, (ii) 40 thousand barrels of oil per day beginning May 1, 2022 and ending April 30, 2027 and (iii) 30 thousand barrels of oil per day beginning August 1, 2022 and ending July 31, 2027.

The price the Company pays to purchase the oil volumes under the purchase contract is based on a Midland WTI price and the price the Company receives for the oil volumes sold is the WASP that a non-affiliated counterparty receives for selling oil through a Gulf Coast storage and export facility at prices that are highly correlated with Brent oil prices during the same month of the purchase. Based on the form of the long-term marketing contracts, the Company accounts for the contracts as derivative instruments not designated as hedges.

The change in noncash marketing derivative loss for the three months ended March 31, 2024, as compared to the same period in 2023, is primarily due to changes in Midland WTI and Brent oil price differentials which are used to mark-to-market the remaining terms of the marketing derivative contracts.

Conversion option derivatives. Certain holders of the Convertible Notes have exercised their conversion options per the terms of the notes' indenture. The Company elected to settle the conversions in cash at the end of the Settlement Period. The Company's election to settle an exercised conversion option in cash results in a forward contract during the Settlement Period

28

PIONEER NATURAL RESOURCES COMPANY

that is accounted for as a derivative instrument not designated as a hedge. The Company's conversion option derivatives represent the change in the cash settlement obligation that occurs during the Settlement Period.

The Company's open derivative contracts are subject to market risk. See "Item 3. Quantitative and Qualitative Disclosures About Market Risk" and Note 4 of Notes to Consolidated Financial Statements included in "Item 1. Financial Statements" for additional information.

Gain on disposition of assets, net.

	Three Months Ended March 31,
	2024		2023		Change
	(in millions)
Gain on disposition of assets, net	$	2	$	25	$	(23)

Net gain on disposition of assets for the three months ended March 31, 2023 primarily represents nonmonetary transactions in which the Company exchanged both proved and unproved oil and gas properties in the Midland Basin with unaffiliated third parties resulting in the Company recording a gain of $24 million.

See Note 3 of Notes to Consolidated Financial Statements included in "Item 1. Financial Statements" for additional information.

Oil and gas production costs.

	Three Months Ended March 31,
	2024		2023		Change
	(in millions, except per BOE)
Oil and gas production costs	$	598	$	455	$	143
Production costs per BOE:
Lease operating expense (a)	$	4.65	$	4.10	13		%
Gathering, processing and transportation expense (b)	3.31		2.94		13		%
Workover costs (a)	1.31		1.16		13		%
Net natural gas plant income (c)	(0.48)		(0.77)		(38		%)
	$	8.79	$	7.43	18		%

____________________

(a)Lease operating expense and workover costs represent the components of oil and gas production costs over which the Company has management control.

(b)Gathering, processing and transportation expense represents the costs to (i) gather, process, transport and fractionate the Company's gas and NGLs to a point of sale and, to a lesser extent, (ii) gather and transport certain of the Company's oil production to a point of sale.

(c)Net natural gas plant income represents the earnings from the Company's ownership share of gas processing facilities that gather and process the Company's and third party gas.

The change in the Company's production costs per BOE during the three months ended March 31, 2024, as compared to the same period in 2023, is due to the following:

•Lease operating expense per BOE increased primarily due to inflationary pressures on rental equipment, chemical, water disposal and fuel costs;

•Gathering, processing and transportation expense per BOE increased primarily due to an increase in (i) gas plant electricity costs, which the processor passes through to each gas producer, and (ii) transportation costs related to new pipeline takeaway capacity for the Company's gas production;

•Workover costs per BOE for the three months ended March 31, 2024 increased primarily due to an increase in workover activity in order to restore production related to downtime from winter weather events; and

•Net natural gas plant income per BOE decreased primarily due to decreases in gas and NGL prices.

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PIONEER NATURAL RESOURCES COMPANY

Production and ad valorem taxes.

	Three Months Ended March 31,
	2024		2023		Change
	(in millions, except per BOE)
Production and ad valorem taxes	$	206	$	208	$	(2)
Production and ad valorem taxes per BOE:
Production taxes per BOE	$	2.23	$	2.46	(9		%)
Ad valorem taxes per BOE	0.80		0.93		(14		%)
	$	3.03	$	3.39	(11		%)

In general, production taxes and ad valorem taxes are directly related to commodity price changes; however, Texas ad valorem taxes are based upon prior year commodity prices, whereas production taxes are based upon current year commodity prices.

The change in production taxes per BOE for the three months ended March 31, 2024, as compared to the same period in 2023, is due to a decrease in commodity prices. The change in ad valorem taxes per BOE for the three months ended March 31, 2024, as compared to the same period in 2023, reflects the quarterly changes in estimated full year ad valorem taxes and an increase in daily sales volumes due to the Company's successful Spraberry/Wolfcamp horizontal drilling program.

Depletion, depreciation and amortization expense.

	Three Months Ended March 31,
	2024		2023		Change
	(in millions, except per BOE)
Depletion, depreciation and amortization	$	774	$	664	$	110
Total DD&A expense per BOE:
DD&A per BOE	$	11.37	$	10.84	5		%
Depletion expense per BOE	$	11.18	$	10.64	5		%

The change in DD&A and depletion expense per BOE for the three months ended March 31, 2024, as compared to the same period in 2023, is primarily due to a decrease in commodity prices used for oil and gas reserves, based on SEC guidelines (which has the effect of shortening the economic life of producing wells).

Exploration and abandonments expense.

	Three Months Ended March 31,
	2024		2023		Change
	(in millions)
Exploration and abandonments	$	20	$	15	$	5

The change in exploration and abandonments expense for the three months ended March 31, 2024, as compared to the same period in 2023, is primarily related to the abandonment of certain unproved properties that the Company no longer plans to drill.

During the three months ended March 31, 2024 and 2023, the Company drilled and evaluated 131 and 123 exploratory/extension wells, respectively, with 100 percent successfully completed as discoveries.

See Note 5 of Notes to Consolidated Financial Statements included in "Item 1. Financial Statements" for additional information.

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PIONEER NATURAL RESOURCES COMPANY

General and administrative expense.

	Three Months Ended March 31,
	2024		2023		Change
	(in millions, except per BOE)
Cash general and administrative expense	$	77	$	71	$	6
Noncash general and administrative expense	15		13		2
	$	92	$	84	$	8
General and administrative expense per BOE:
Cash general and administrative expense	$	1.14	$	1.15	(1		%)
Noncash general and administrative expense	0.22		0.22		—		%
	$	1.36	$	1.37	(1		%)

The change in general and administrative expense per BOE for the three months ended March 31, 2024, as compared to the same period in 2023, is primarily due to the aforementioned 10 percent increase in daily sales volumes due to the Company's successful Spraberry/Wolfcamp horizontal drilling program, partially offset by an increase in labor costs.

Per the change in control terms of the Company's share-based compensation award agreements, any Equity Awards, Liability Awards and Performance Awards granted prior to October 10, 2023 that are outstanding immediately prior to the completion of a change in control event will become vested. Additionally, in accordance with the Merger Agreement, outstanding Performance Awards vest at their maximum payout percentage, which may impact future general and administrative expenses based upon the fair value of the awards as of the modification date.

See Note 7 of Notes to Consolidated Financial Statements included in "Item 1. Financial Statements" for additional information.

Interest expense.

	Three Months Ended March 31,
	2024		2023		Change
	(in millions)
Interest expense	$	40	$	28	$	12

The change in interest expense for the three months ended March 31, 2024, as compared to the same period in 2023, is primarily a result of the issuance of 5.100% senior notes due 2026 in March 2023.

The weighted average cash interest rate on the Company's indebtedness for the three months ended March 31, 2024 is 2.7 percent, as compared to 1.7 percent for the same period in 2023.

See Note 6 of Notes to Consolidated Financial Statements included in "Item 1. Financial Statements" for additional information.

Other expense.

	Three Months Ended March 31,
	2024		2023		Change
	(in millions)
Other expense	$	24	$	41	$	(17)

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PIONEER NATURAL RESOURCES COMPANY

The change in other expense for the three months ended March 31, 2024, as compared to the same period in 2023, is primarily due to the following:

	Three Months Ended March 31,
	2024		2023		Change
	(in millions)
ExxonMobil merger-related costs (a)	$	9	$	—	$	9
Legal and environmental contingencies	$	2	$	16	$	(14)
Impairment of long-lived assets	$	—	$	11	$	(11)

____________________

(a)Primarily represents legal fees and other transaction costs associated with the ExxonMobil merger.

See Note 4, Note 9 and Note 12 of Notes to Consolidated Financial Statements included in "Item 1. Financial Statements" for additional information.

Income tax provision.

	Three Months Ended March 31,
	2024			2023			Change
	(in millions, except tax rates)
Income tax provision	$	309		$	335		$	(26)
Effective tax rate	22		%	22		%	—		%

The change in income tax provision for the three months ended March 31, 2024, as compared to the same period in 2023, is due to a decrease of $153 million in income before income taxes. The Company evaluates and updates its annual effective income tax rate on an interim basis based on current and forecasted earnings and enacted tax laws. The mix and timing of the Company's actual earnings compared to annual projections can cause interim effective tax rate fluctuations. The Company's interim effective tax rate for the three months ended March 31, 2024 and 2023 differed from the U.S. statutory rate of 21 percent primarily due to forecasted state income taxes.

On August 16, 2022, President Biden signed into law the IRA, which includes, among other things, the CAMT. Under the CAMT, a 15 percent minimum tax is imposed on certain adjusted financial statement income of "applicable corporations." The CAMT generally treats a corporation as an "applicable corporation" in any taxable year in which the "average annual adjusted financial statement income" of the corporation and certain of its subsidiaries and affiliates for a three-taxable-year period ending prior to such taxable year exceeds $1 billion. The U.S. Department of the Treasury and the Internal Revenue Service have issued guidance on the application of the CAMT, which may be relied upon until final regulations are released. If the Company's CAMT liability is greater than its regular U.S. federal income tax liability for any particular tax year, the CAMT liability would effectively accelerate its future U.S. federal income tax obligations, reducing its cash flows in that year, but provide an offsetting credit against its regular U.S. federal income tax liability in future tax years. Based on the Company's interpretation of the IRA, CAMT and related guidance, the Company does not expect the CAMT to materially increase its tax obligations for the 2024 taxable year, however, the Company will continue to monitor and assess any impacts of the IRA on the Company's current year tax provision and the Company's consolidated financial statements.

See Note 13 of Notes to Consolidated Financial Statements included in "Item 1. Financial Statements" for additional information.

Liquidity and Capital Resources

Liquidity. The Company's primary sources of short-term liquidity are (i) cash and cash equivalents, (ii) net cash provided by operating activities, (iii) sales of investments, (iv) unused borrowing capacity under its Credit Facility, (v) issuances of debt or equity securities and (vi) other sources, such as sales of nonstrategic assets. The availability of certain of these sources are subject to the Merger Agreement, which includes restriction on the Company's ability (subject to certain exceptions) to, among others, (i) create, incur, assume, refinance or otherwise become liable with respect to any indebtedness for borrowed money or guarantees thereof, (ii) grant, award or issue equity securities and (iii) sell, lease, transfer or dispose of assets.

The Company's short-term and long-term liquidity requirements consist primarily of (i) capital expenditures, (ii) acquisitions of oil and gas properties, (iii) payments of contractual obligations, including debt maturities, (iv) dividends, (v) income taxes and (vi) working capital obligations. Although the Company expects that its sources of funding will be adequate to fund its 2024 liquidity requirements, no assurance can be given that such funding sources will be adequate to meet the Company's future needs.

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PIONEER NATURAL RESOURCES COMPANY

The Company expects to incur a number of non-recurring costs associated with the Merger including, among others, fees and expenses from financial advisors and other advisors and representatives, certain employment-related costs relating to employees of the Company and filing fees due in connection with required regulatory filings. Some of these costs have already been incurred or may be incurred regardless of whether the Merger is completed.

2024 capital budget. The Company's capital budget for 2024 is expected to be in the range of $4.2 billion to $4.6 billion of development related capital, which includes drilling and completion related activities and the construction of tank batteries, saltwater disposal facilities and water and power infrastructure. The 2024 capital budget excludes acquisitions, asset retirement obligations, capitalized interest, corporate facilities, information technology and vehicles.

The 2024 capital budget is expected to be funded from operating cash flow and, if necessary, from cash and cash equivalents on hand or borrowings under the Company's Credit Facility.

Capital resources. As of March 31, 2024, the Company had no outstanding borrowings under its Credit Facility, leaving $2.0 billion of unused borrowing capacity. The Credit Facility requires the maintenance of a ratio of total debt to book capitalization, subject to certain adjustments, not to exceed 0.65 to 1.0. The Company was in compliance with all of its debt covenants as of March 31, 2024. The Company also had unrestricted cash on hand of $451 million as of March 31, 2024.

Sources and uses of cash during the three months ended March 31, 2024, as compared to the same period in 2023, are as follows:

	Three Months Ended March 31,
	2024		2023		Change
	(in millions)
Net cash provided by operating activities	$	1,946	$	2,314	$	(368)
Net cash used in investing activities	$	(964)	$	(1,204)	$	(240)
Net cash used in financing activities	$	(771)	$	(950)	$	(179)

Operating activities. The change in net cash provided by operating activities during the three months ended March 31, 2024, as compared to the same period in 2023, is primarily due to an increase in accounts receivable primarily due to increasing oil prices during the three months ended March 31, 2024 as compared to decreasing oil prices during the same period in 2023, partially offset by changes in accounts payable.

Investing activities. The change in cash used in investing activities for the three months ended March 31, 2024, as compared to the same period in 2023, is primarily due to a $258 million decrease in additions to oil and gas properties.

Financing activities. The Company's significant financing activities during the three months ended March 31, 2024 and 2023 are as follows:

•2024: The Company (i) paid dividends of $600 million, (ii) borrowed and repaid $105 million on its Credit Facility, (iii) paid $187 million to settle exercised conversion options related to the Company's Convertible Notes and (iv) received $23 million in Capped Call proceeds related to the aforementioned exercised conversion options.

•2023: The Company (i) paid dividends of $1.3 billion, (ii) received $1.1 billion in proceeds from the March 2023 issuance of 5.100% senior notes due March 2026, (iii) repurchased $520 million of its common stock, (iv) borrowed and repaid $350 million on its Credit Facility, (v) paid $230 million to settle exercised conversion options related to the Company's Convertible Notes and (vi) received $31 million in Capped Call proceeds related to the aforementioned exercised conversion options.

Dividends. During the three months ended March 31, 2024, the Company declared base dividends of $294 million, or $1.25 per share, compared to $260 million, or $1.10 per share, during the same period in 2023.

Prior to April 2023, the Company had a variable dividend strategy, in addition to its base dividend program, whereby the Company paid a quarterly variable dividend of up to 75 percent of the prior quarter's free cash flow remaining after its base dividend. In April 2023, the Company modified its variable dividend strategy to return 75 percent of the prior quarter's free cash flow, inclusive of its base dividend and share repurchases (the "Company Dividend Policy"). In October 2023, per the terms of the Merger Agreement, the Company modified its variable dividend calculation to return 75 percent and 50 percent of the variable amount that would have been calculated per the Company Dividend Policy from free cash flow generated during the third and fourth quarter of 2023, respectively. The Company will no longer pay a variable dividend after distributing the variable dividend attributable to free cash flow generated during the fourth quarter of 2023, per the terms of the Merger Agreement. Free cash flow is a non-GAAP financial measure. As used by the Company, free cash flow is defined as net cash

33

PIONEER NATURAL RESOURCES COMPANY

provided by operating activities, adjusted for changes in operating assets and liabilities and certain after-tax ExxonMobil merger-related costs, less capital expenditures. The Company believes this non-GAAP measure is a financial indicator of the Company's ability to internally fund acquisitions, debt maturities, dividends and share repurchases after capital expenditures. Capital expenditures exclude acquisitions, asset retirement obligations, capitalized interest, geological and geophysical general and administrative expenses, information technology capital investments, vehicles and additions to corporate facilities. During the three months ended March 31, 2024, the Company declared variable dividends of $309 million, or $1.31 per share, compared to $1.1 billion, or $4.48 per share, during the same period in 2023.

Future dividends are at the discretion of the Board, and, if declared, the Board may change the dividend amount based on the Company's outlook for commodity prices, liquidity, debt levels, capital resources, free cash flow or other factors, including terms set forth in the Merger Agreement. After the first quarter 2024 dividend payment, the Merger Agreement permits the Company to continue to pay a quarterly base dividend up to $1.25 per share through the closing of the Merger. The Company can provide no assurance that dividends will be authorized or declared in the future or as to the amount of any future dividends.

Off-balance sheet arrangements. From time to time, the Company enters into arrangements and transactions that can give rise to material off-balance sheet obligations. As of March 31, 2024, the material off-balance sheet arrangements and transactions that the Company had entered into included (i) firm purchase, transportation, storage and fractionation commitments, (ii) open purchase commitments and (iii) contractual obligations for which the ultimate settlement amounts are not fixed and determinable. The contractual obligations for which the ultimate settlement amounts are not fixed and determinable include (a) contracts that are sensitive to future changes in commodity prices or the Company's share price, (b) gathering, processing and transportation commitments on uncertain volumes of future throughput and (c) indemnification obligations following certain divestitures.

In connection with its divestiture transactions, the Company may retain certain liabilities and provide the purchaser certain indemnifications, subject to defined limitations, which may apply to identified pre-closing matters, including matters of litigation, environmental contingencies, royalties and income taxes. The Company may also be subject to retained liabilities with respect to certain divested assets by operation of law. Upon divesting its assets, the Company may receive collateral or credit support for its exposure to such liabilities. The Company establishes reserves for the amount that exceeds the collateral or credit support received in the event that the obligation becomes likely to be paid by the Company. For example, the Company is exposed to the risk that owners and/or operators of assets purchased from the Company may become unable to satisfy plugging or abandonment obligations associated with those assets. In that event, due to operation of law, the Company may be required to assume all or part of the plugging or abandonment obligations for those assets. Although the Company may establish reserves for such liabilities, it could be required to pay additional amounts in the future and these amounts could be material. The Company does not recognize a liability if the fair value of the obligation is immaterial or the likelihood of making payments is remote.

Other than the off-balance sheet arrangements described above, the Company has no transactions, arrangements or other relationships with unconsolidated entities or other persons that are reasonably likely to materially affect the Company's liquidity or availability of or requirements for capital resources. The Company expects to enter into similar contractual arrangements in the future and additional firm purchase, transportation, storage and fractionation arrangements, in order to support the Company's business plans. See Note 9 of Notes to Consolidated Financial Statements included in "Item 1. Financial Statements" for additional information.

Convertible senior notes. In May 2020, the Company issued $1.3 billion principal amount of convertible senior notes due 2025. The Convertible Notes bear a fixed interest rate of 0.250% per year, with interest payable semiannually on May 15 and November 15. The Convertible Notes will mature on May 15, 2025, unless earlier redeemed, repurchased or converted. The Convertible Notes are unsecured obligations ranking equally in right of payment with all other senior unsecured indebtedness of the Company.

The Convertible Notes are convertible into the Company's common shares at an adjusted Conversion Rate and adjusted Conversion Price. Future declarations of quarterly base dividends in excess of $0.55 per common share result in adjustments to the Conversion Rate and the Conversion Price pursuant to the terms of the notes indenture. Upon conversion, the Convertible Notes may be settled in cash, the Company's common shares or a combination thereof, at the Company's election.

During the last 30 consecutive trading days of the first quarter of 2021 through the first quarter of 2024, the last reported sales prices of the Company's common shares exceeded 130 percent of the Conversion Price for at least 20 trading days, causing the Convertible Notes to be convertible at the option of the holders during the period from April 1, 2021 through June 30, 2024. During the three months ended March 31, 2024, the Company made total cash payments of $191 million (inclusive of settled conversion option derivatives) related to the settlement of exercised conversion options on its Convertible Notes. As of March 31, 2024, $460 million of the Convertible Notes principal balance is outstanding, of which $11 million of principal

34

PIONEER NATURAL RESOURCES COMPANY

remains in the Settlement Period and will be cash settled during the second quarter of 2024. See Note 6 of Notes to Consolidated Financial Statements included in "Item 1. Financial Statements" for additional information.

Contractual obligations. The Company's contractual obligations include debt, leases, capital funding obligations, derivative obligations, firm transportation, storage and fractionation commitments, minimum annual gathering, processing and transportation commitments and other liabilities, including liabilities as a result of the Merger. Other joint owners in the properties operated by the Company could incur portions of the costs represented by these commitments.

Firm commitments. The Company has short-term and long-term firm purchase, gathering, processing, transportation, fractionation and storage commitments representing take-or-pay agreements, which include contractual commitments (i) to purchase sand, water and diesel for use in the Company's drilling and completion operations, (ii) with midstream service companies and pipeline carriers for future gathering, processing, transportation, fractionation and storage and (iii) with oilfield services companies that provide drilling and pressure pumping services. The Company also has open purchase commitments for inventories, materials and other property and equipment ordered, but not received, as of March 31, 2024. See Note 9 of Notes to Consolidated Financial Statements included in "Item 1. Financial Statements" for additional information.

Debt. As of March 31, 2024, the Company's outstanding debt is comprised of senior notes and convertible senior notes. The senior notes and convertible senior notes issued by the Company rank equally, but are structurally subordinated to all obligations of the Company's subsidiaries. See Note 6 of Notes to Consolidated Financial Statements included in "Item 1. Financial Statements" for additional information.

Operating leases. The Company's short-term and long-term lease obligations primarily relate to field equipment, drilling rigs, office facilities and storage tanks.

Derivative obligations. The Company's marketing and conversion option derivatives are measured and recorded at fair value and continue to be subject to market and/or credit risk. As of March 31, 2024, these contracts represent net liabilities of $226 million. The ultimate liquidation value of the Company's marketing derivatives will be dependent upon actual future commodity prices, which may differ materially from the inputs used to determine the derivatives' fair values as of March 31, 2024. The ultimate liquidation of the Company's conversion option derivatives will be dependent on the Company's daily volumetric weighted average share price during the Settlement Period. See Note 4 of Notes to Consolidated Financial Statements included in "Item 1. Financial Statements" and "Item 3. Quantitative and Qualitative Disclosures About Market Risk" for additional information.

Other liabilities. The Company's other liabilities represent current and noncurrent other liabilities that are primarily comprised of litigation and environmental contingencies, asset retirement obligations, a finance lease for the corporate headquarters office building and deferred compensation retirement plan obligations. With the exception of the Company's finance lease, neither the ultimate settlement amounts nor the timings of these obligations can be precisely determined in advance. See Note 8 and Note 9 of Notes to Consolidated Financial Statements included in "Item 1. Financial Statements" for additional information.

ITEM 3.    QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

In the normal course of business, the Company's financial position is routinely subject to a variety of risks, including market risks associated with changes in commodity prices, changes in the Company's share price, which impacts the settlement value of convertible notes where holders have exercised their conversion option, interest rate movements on outstanding debt and credit risks. The following quantitative and qualitative information is provided about financial instruments to which the Company was a party as of March 31, 2024, and from which the Company may incur future gains or losses from changes in commodity prices, or the Company's share price. The Company does not enter into any financial instruments, including derivatives, for speculative or trading purposes.

Commodity price risk. The Company's primary market risk exposure is related to the price it receives from the sale of its oil, NGL and gas production. Realized pricing is volatile and is determined by market prices that fluctuate with changes in supply and demand for these products throughout the world. The price the Company receives for its production depends on many factors outside of the control of the Company, including differences in commodity pricing at the point of sale versus market index prices. The Company's exposure to price volatility impacts the funds available to be used in its capital program and for general working capital needs, debt obligations and dividends, among other uses. The Company mitigates its commodity price risk by maintaining financial flexibility with a strong balance sheet and by diversifying a portion of its oil and gas sales through its sales of purchased commodities activities or by entering into marketing derivatives.

Sales of purchased commodities. The Company enters into pipeline capacity commitments in order to secure available oil, NGL and gas transportation capacity from the Company's areas of production and to secure diesel supply from the Gulf

35

PIONEER NATURAL RESOURCES COMPANY

Coast. The Company also enters into purchase commitments to secure sand supply for the Company's operations in the Midland Basin. The Company enters into purchase transactions with third parties and separate sale transactions with third parties to diversify a portion of the Company's oil and gas sales to (i) Gulf Coast refineries, (ii) Gulf Coast and West Coast gas markets and (iii) international oil markets, and to satisfy unused gas pipeline capacity commitments. The Company periodically sells diesel and sand to unaffiliated third parties in the Permian Basin if it has supply in excess of its operational needs.

Marketing derivatives. The Company uses marketing derivatives to diversify its oil pricing to Gulf Coast and international markets. As of March 31, 2024, the Company's marketing derivatives reflect long-term marketing contracts whereby the Company agreed to purchase and simultaneously sell, at an oil terminal in Midland, Texas, (i) 50 thousand barrels of oil per day beginning January 1, 2021 and ending December 31, 2026, (ii) 40 thousand barrels of oil per day beginning May 1, 2022 and ending April 30, 2027 and (iii) 30 thousand barrels of oil per day beginning August 1, 2022 and ending July 31, 2027.

The price the Company pays to purchase the oil volumes under the purchase contracts is based on a Midland WTI price and the price the Company receives for the oil volumes sold is the WASP that a non-affiliated counterparty receives for selling oil through a Gulf Coast storage and export facility at prices that are highly correlated with Brent oil prices during the same month of the purchase. Based on the form of the long-term marketing contracts, the Company accounts for the contracts as derivative instruments not designated as hedges.

The Company could experience mark-to-market fluctuations in the fair value of its marketing derivatives based on changes in (i) the differential between Midland WTI and Brent oil prices and (ii) the WASP Differential Deduction if it deviates from historical levels. For example, a 10 percent increase or decrease in the differential between Midland WTI and Brent oil prices would impact the fair value of the Company's marketing derivatives recorded by approximately $34 million and a 10 percent increase or decrease in the WASP Differential Deduction would impact the fair value of the Company's marketing derivatives recorded by approximately $23 million as of March 31, 2024. See Note 4 of Notes to Consolidated Financial Statements included in "Item 1. Financial Statements" for additional information.

Company share price risk. When holders of the Company's Convertible Notes exercise their conversion option, the Company is subject to market risks related to changes in the Company's share price that occur during the Settlement Period. In addition, as a result of the Merger, changes in ExxonMobil's share price could impact the Company's share price during the Settlement Period. See Note 4 and Note 6 of Notes to Consolidated Financial Statements included in "Item 1. Financial Statements" for additional information.

Interest rate risk. As of March 31, 2024, the Company had no variable rate debt outstanding under the Credit Facility and $4.8 billion of fixed rate debt outstanding. The Company has no interest rate derivative instruments outstanding. See Note 4 and Note 6 of Notes to Consolidated Financial Statements included in "Item 1. Financial Statements" for additional information.

Credit risk. The Company's primary concentration of credit risks are associated with the collection of receivables resulting from the sale of oil and gas production and purchased commodities. The Company's commodities are sold to various purchasers who must be prequalified under the Company's credit risk policies and procedures. The Company monitors exposure to counterparties primarily by reviewing credit ratings, financial criteria and payment history. Where appropriate, the Company obtains assurances of payment, such as a guarantee by the parent company of the counterparty, a letter of credit or other credit support. Historically, the Company's credit losses on commodity receivables have not been material.

ITEM 4.    CONTROLS AND PROCEDURES

Evaluation of disclosure controls and procedures. The Company's management, with the participation of its principal executive officer and principal financial officer, have evaluated, as required by Rule 13a-15(b) under the Exchange Act, the effectiveness of the Company's disclosure controls and procedures (as defined in Exchange Act Rule 13a-15(e)) as of the end of the period covered by this Report. Based on that evaluation, the principal executive officer and principal financial officer concluded that the Company's disclosure controls and procedures were effective, as of the end of the period covered by this Report, in ensuring that information required to be disclosed by the Company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC's rules and forms, including that such information is accumulated and communicated to the Company's management, including the principal executive officer and principal financial officer, to allow timely decisions regarding required disclosure.

Changes in internal control over financial reporting. There have been no changes to the Company's internal control over financial reporting (as defined in Rule 13a-15(f) under the Exchange Act) that occurred during the three months ended March 31, 2024 that have materially affected, or are reasonably likely to materially affect, the Company's internal control over financial reporting.

36

PIONEER NATURAL RESOURCES COMPANY

PART II. OTHER INFORMATION

ITEM 1.    LEGAL PROCEEDINGS

The Company is party to various proceedings and claims incidental to its business. While many of these matters involve inherent uncertainty, the Company believes that the amount of the liability, if any, ultimately incurred with respect to these proceedings and claims will not have a material adverse effect on the Company's consolidated financial position as a whole or on its liquidity, capital resources or future results of operations. 

On May 18, 2023, the Company received a Notice of Violation and Opportunity to Confer from the Environmental Protection Agency ("EPA") alleging violations of the Clean Air Act at certain of its operated locations. The Company is engaged in discussions with the EPA regarding a resolution of the alleged violations. The Company does not believe that the resolution of this matter will have a material adverse impact on the Company's consolidated financial position as a whole or on its liquidity, capital resources or future results of operations, but the resolution of the matter may result in penalties that exceed $300,000.

ITEM 1A.    RISK FACTORS

In addition to the information set forth in this Report, the risks that are discussed in the Company's Annual Report on Form 10-K for the year ended December 31, 2023, under the headings "Part I, Item 1. Business – Competition," "Part I. Item 1. Business - Regulation," "Part I, Item 1A. Risk Factors," "Part II, Item 7A. Quantitative and Qualitative Disclosures About Market Risk" should be carefully considered, as such risks could materially affect the Company's business, financial condition or future results. There has been no material change in the Company's risk factors that were described in the Company's 2023 Annual Report on Form 10-K.

ITEM 2.    UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

Purchases of Equity Securities by the Issuer and Affiliated Purchasers

There were no sales of unregistered equity securities during the three months ended March 31, 2024.

Purchases of the Company's common shares are as follows:

	Three Months Ended March 31, 2024
Period	Total Number of Shares Purchased (a)	Average Price Paid per Share		Total Number of  Shares Purchased as Part of Publicly Announced Plans or Programs	Approximate Dollar Amount of Shares that May Yet Be Purchased under Plans or Programs (b)
January 1-31, 2024	—	$	—	—	$	3,875,575,094
February 1-29, 2024	9,882	$	229.14	—	$	3,875,575,094
March 1-31, 2024	1,944	$	237.27	—	$	3,875,575,094
	11,826			—

__________________

(a)Includes shares withheld from employees in order for employees to satisfy income tax withholding payments related to share-based awards that vested during the period.

(b)In April 2023, the Board authorized a $4 billion common share repurchase program. The share repurchase program has no time limit and may be modified, suspended or terminated at any time by the Board. With limited exceptions, the Merger Agreement precludes the Company from future repurchases of the Company's common shares, including repurchases under the Company's share repurchase program.

ITEM 5.    OTHER INFORMATION

The Company was not informed by any of its directors or officers of the adoption or termination of a "Rule 10b5-1 trading arrangement" or "non-Rule 10b5-1 trading arrangement," as those terms are defined in Regulation S-K, Item 408, during the three months ended March 31, 2024.

37

PIONEER NATURAL RESOURCES COMPANY

ITEM 6.    EXHIBITS

Exhibit Number	Description
2.1*	Agreement and Plan of Merger, dated as of October 10, 2023, by and among Pioneer Natural Resources Company, Exxon Mobil Corporation and SPQR, LLC (incorporated by reference to Exhibit 2.1 to the Company's Current Report on Form 8-K, File No. 1-13245, filed with the SEC on October 11, 2023).
10.1	Form of Restricted Stock Unit Award Agreement between the Company and executive officers of the Company with respect to annual awards made under the Company's 2006 Long-Term Incentive Plan, commencing in 2024 (incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K, File No. 1-13245. filed with the SEC on February 8, 2024).
31.1 (a)	Chief Executive Officer certification under Section 302 of Sarbanes-Oxley Act of 2002.
31.2 (a)	Chief Financial Officer certification under Section 302 of Sarbanes-Oxley Act of 2002.
32.1 (b)	Chief Executive Officer certification under Section 906 of Sarbanes-Oxley Act of 2002.
32.2 (b)	Chief Financial Officer certification under Section 906 of Sarbanes-Oxley Act of 2002.
101.INS (a)	Inline 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.SCH (a)	Inline XBRL Taxonomy Extension Schema Document.
101.CAL (a)	Inline XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF (a)	Inline XBRL Taxonomy Extension Definition Linkbase Document.
101.LAB (a)	Inline XBRL Taxonomy Extension Label Linkbase Document.
101.PRE (a)	Inline XBRL Taxonomy Extension Presentation Linkbase Document.
104	Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).

____________________

(a)	Filed herewith.
(b)	Furnished herewith.
*	Schedules have been omitted pursuant to Item 601(b)(2) of Regulation S-K. The Company agrees to furnish to the SEC a copy of any omitted schedule upon request.

38

PIONEER NATURAL RESOURCES COMPANY

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 hereto duly authorized.

	PIONEER NATURAL RESOURCES COMPANY
May 2, 2024	By:	/s/ Neal H. Shah
		Neal H. Shah
		Executive Vice President and Chief Financial Officer
May 2, 2024	By:	/s/ Christopher L. Washburn
		Christopher L. Washburn
		Vice President and Chief Accounting Officer

39

EX-31.1

EXHIBIT 31.1

CHIEF EXECUTIVE OFFICER CERTIFICATION

I, Richard P. Dealy, certify that:

1.I have reviewed this quarterly report on Form 10-Q of Pioneer Natural Resources Company;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

/s/ Richard P. Dealy
Richard P. Dealy
President and Chief Executive Officer
Date:	May 2, 2024

EX-31.2

EXHIBIT 31.2

CHIEF FINANCIAL OFFICER CERTIFICATION

I, Neal H. Shah, certify that:

1.I have reviewed this quarterly report on Form 10-Q of Pioneer Natural Resources Company;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

/s/ Neal H. Shah
Neal H. Shah
Executive Vice President and Chief Financial Officer
Date:	May 2, 2024

EX-32.1

EXHIBIT 32.1

CERTIFICATION OF

CHIEF EXECUTIVE OFFICER

OF PIONEER NATURAL RESOURCES COMPANY

PURSUANT TO 18 U.S.C. § 1350

I, Richard P. Dealy, President and Chief Executive Officer of Pioneer Natural Resources Company (the "Company"), hereby certify that the accompanying Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2024 and filed with the Securities and Exchange Commission pursuant to Section 13(a) of the Securities Exchange Act of 1934 (the "Report") by the Company fully complies with the requirements of that section.

I further certify that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Richard P. Dealy
Richard P. Dealy
President and Chief Executive Officer
Date:	May 2, 2024

EX-32.2

EXHIBIT 32.2

CERTIFICATION OF

CHIEF FINANCIAL OFFICER

OF PIONEER NATURAL RESOURCES COMPANY

PURSUANT TO 18 U.S.C. § 1350

I, Neal H. Shah, Executive Vice President and Chief Financial Officer of Pioneer Natural Resources Company (the "Company"), hereby certify that the accompanying Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2024 and filed with the Securities and Exchange Commission pursuant to Section 13(a) of the Securities Exchange Act of 1934 (the "Report") by the Company fully complies with the requirements of that section.

I further certify that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Neal H. Shah
Neal H. Shah
Executive Vice President and Chief Financial Officer
Date:	May 2, 2024

XML

Cover Page - shares	3 Months Ended
	Mar. 31, 2024	May 01, 2024
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2024
Document Transition Report	false
Entity File Number	1-13245
Entity Registrant Name	PIONEER NATURAL RESOURCES CO
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	75-2702753
Entity Address, Address Line One	777 Hidden Ridge
Entity Address, City or Town	Irving
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	75038
City Area Code	972
Local Phone Number	444-9001
Title of 12(b) Security	Common Stock, par value $.01 per share
Trading Symbol	PXD
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		233,675,158
Entity Central Index Key	0001038357
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q1
Amendment Flag	false
Current Fiscal Year End Date	--12-31

XML

Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 451	$ 240
Accounts receivable, net	1,822	1,590
Inventories	491	476
Investment in affiliate	134	139
Prepaids and other	132	160
Total current assets	3,030	2,605
Oil and gas properties, using the successful efforts method of accounting:
Proved properties	44,480	43,387
Unproved properties	5,771	5,785
Accumulated depletion, depreciation and amortization	(18,397)	(17,639)
Total oil and gas properties, net	31,854	31,533
Other property and equipment, net	1,659	1,656
Operating lease right-of-use assets	543	398
Goodwill	242	242
Other assets	186	179
Total assets	37,514	36,613
Accounts payable:
Trade	2,498	2,414
Due to affiliates	55	35
Interest payable	16	48
Income taxes payable	230	40
Current portion of debt	11	28
Derivatives	113	53
Operating leases	259	175
Other	170	181
Total current liabilities	3,352	2,974
Long-term debt	4,750	4,807
Derivatives	113	76
Deferred income taxes	4,478	4,402
Operating leases	315	248
Other liabilities	916	935
Equity:
Common shares, $.01 par value; 500,000,000 shares authorized; 245,640,802 and 245,594,927 shares issued as of March 31, 2024 and December 31, 2023, respectively	2	2
Additional paid-in capital	18,436	18,506
Treasury shares, at cost; 11,983,632 and 11,971,806 shares as of March 31, 2024 and December 31, 2023, respectively	(2,620)	(2,617)
Retained earnings	7,772	7,280
Total equity	23,590	23,171
Commitments and contingencies
Total Liabilities and Stockholders' Equity	$ 37,514	$ 36,613

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Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Common stock, par value (usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	500,000,000	500,000,000
Common stock, shares issued (in shares)	245,640,802	245,594,927
Treasury stock, shares (in shares)	11,983,632	11,971,806

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Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenues and other income:
Revenue	$ 4,903	$ 4,597
Interest and other income (loss), net	28	(37)
Derivative loss, net	(122)	(44)
Gain on disposition of assets, net	2	25
Revenues	4,811	4,541
Costs and expenses:
Production and ad valorem taxes	206	208
Depletion, depreciation and amortization	774	664
Exploration and abandonments	20	15
General and administrative	92	84
Accretion of discount on asset retirement obligations	5	4
Interest	40	28
Other	24	41
Total costs and expenses	3,407	2,984
Income before income taxes	1,404	1,557
Income tax provision	(309)	(335)
Net income attributable to common shareholders	$ 1,095	$ 1,222
Net income per share attributable to common shareholders:
Basic (usd per share)	$ 4.68	$ 5.19
Diluted (usd per share)	$ 4.57	$ 5.00
Weighted average shares outstanding:
Basic weighted average shares outstanding (in shares)	234	235
Diluted weighted average shares outstanding (in shares)	239	244
Dividends declared (usd per share)	$ 2.56	$ 5.58
Oil and gas
Revenues and other income:
Revenue	$ 3,287	$ 3,166
Costs and expenses:
Costs and expenses	598	455
Sales of purchased commodities
Revenues and other income:
Revenue	1,616	1,431
Costs and expenses:
Costs and expenses	$ 1,648	$ 1,485

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Consolidated Statements of Equity - USD ($) shares in Thousands, $ in Millions	Total	Common Shares	Additional Paid-in Capital	Treasury Shares	Retained Earnings
Beginning balance (in shares) at Dec. 31, 2022		236,036
Beginning balance at Dec. 31, 2022	$ 22,541	$ 2	$ 18,779	$ (1,925)	$ 5,685
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared	(1,314)				(1,314)
Conversion premium
Conversion premium	(138)		(138)
Capped call proceeds	31		31
Issuance fees and deferred taxes	(7)		(7)
Purchases of treasury stock (in shares)		(2,499)
Purchases of treasury shares	(520)			(520)
Share-based compensation:
Vested compensation awards, or issued awards (in shares)		199
Vested compensation awards	0
Compensation costs included in net income	23		23
Net income	1,222				1,222
Ending balance (in shares) at Mar. 31, 2023		233,736
Ending balance at Mar. 31, 2023	21,838	$ 2	18,688	(2,445)	5,593
Beginning balance (in shares) at Dec. 31, 2023		233,623
Beginning balance at Dec. 31, 2023	23,171	$ 2	18,506	(2,617)	7,280
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared	(603)				(603)
Conversion premium
Conversion premium	(110)		(110)
Capped call proceeds	23		23
Issuance fees and deferred taxes	(5)		(5)
Purchases of treasury stock (in shares)		(12)
Purchases of treasury shares	(3)			(3)
Share-based compensation:
Vested compensation awards, or issued awards (in shares)		46
Vested compensation awards	0
Compensation costs included in net income	22		22
Net income	1,095				1,095
Ending balance (in shares) at Mar. 31, 2024		233,657
Ending balance at Mar. 31, 2024	$ 23,590	$ 2	$ 18,436	$ (2,620)	$ 7,772

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Consolidated Statements of Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Stockholders' Equity [Abstract]
Dividends declared (usd per share)	$ 2.56	$ 5.58

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Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net income	$ 1,095	$ 1,222
Adjustments to reconcile net income to net cash provided by operating activities:
Depletion, depreciation and amortization	774	664
Exploration expenses	6	0
Deferred income taxes	71	110
Gain on disposition of assets, net	(2)	(25)
Accretion of discount on asset retirement obligations	5	4
Interest expense	2	3
Derivative-related activity	98	36
Amortization of share-based compensation	22	23
Investment valuation adjustments	5	53
Other	29	51
Changes in operating assets and liabilities:
Accounts receivable	(231)	461
Inventories	(17)	(63)
Other assets	(148)	(63)
Accounts payable	(34)	(380)
Interest payable	(32)	(16)
Income taxes payable	190	225
Other liabilities	113	9
Net cash provided by operating activities	1,946	2,314
Cash flows from investing activities:
Proceeds from disposition of assets	3	4
Additions to oil and gas properties	(922)	(1,180)
Additions to other assets and other property and equipment	(45)	(28)
Net cash used in investing activities	(964)	(1,204)
Cash flows from financing activities:
Proceeds from borrowings and issuance of debt, net of discount	105	1,449
Repayment of debt	(292)	(580)
Proceeds from capped call on convertible notes	23	31
Payments of other liabilities	(4)	(4)
Payments of financing fees	0	(7)
Purchases of treasury shares	(3)	(520)
Dividends paid	(600)	(1,319)
Net cash used in financing activities	(771)	(950)
Net increase in cash and cash equivalents	211	160
Cash and cash equivalents, beginning of period	240	1,032
Cash and cash equivalents, end of period	$ 451	$ 1,192

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Organization and Nature of Operations

3 Months Ended

Mar. 31, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization and Nature of Operations

Organization and Nature of Operations

Pioneer is a Delaware corporation whose common shares are listed and traded on the NYSE. The Company is a large independent oil and gas exploration and production company that explores for, develops and produces oil, NGLs and gas in the Midland Basin in West Texas.

Planned merger of the Company with Exxon Mobil Corporation. On October 10, 2023, the Company entered into an Agreement and Plan of Merger (the "Merger Agreement") with Exxon Mobil Corporation, a New Jersey corporation ("ExxonMobil"), and a subsidiary of ExxonMobil, pursuant to which, and subject to the terms and conditions thereof, the Company will merge with the subsidiary and become a wholly-owned subsidiary of ExxonMobil (the "Merger"). Under the terms of the Merger Agreement, each eligible share of the Company's common stock will be converted into the right to receive 2.3234 shares of ExxonMobil common stock (the "Exchange Ratio"). On February 7, 2024, the Company's shareholders adopted the Merger Agreement at a special meeting of shareholders. Completion of the Merger remains subject to certain conditions. The Merger is currently expected to close in the second quarter of 2024; however, no assurance can be given as to when, or if, the Merger will occur.

The above description of the Merger Agreement and the transactions contemplated thereby, including certain referenced terms, is a summary of certain principal terms and conditions contained in the Merger Agreement.

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Basis of Presentation

3 Months Ended

Mar. 31, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

Presentation. In the opinion of management, the unaudited interim consolidated financial statements of the Company as of March 31, 2024 and for the three months ended March 31, 2024 and 2023 include all adjustments and accruals, consisting only of normal, recurring adjustments and accruals necessary for a fair presentation of the results for the interim periods in conformity with GAAP. The operating results for the three months ended March 31, 2024 are not necessarily indicative of results for a full year.

Certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted in accordance with the rules and regulations of the SEC. These unaudited interim consolidated financial statements should be read together with the consolidated financial statements and notes thereto included in the Company's Annual Report on Form 10-K for the year ended December 31, 2023.

Use of estimates in the preparation of financial statements. Preparation of the Company's consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from the estimates and assumptions utilized.

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Nonmonetary Transactions

3 Months Ended

Mar. 31, 2024

Business Combinations [Abstract]

Nonmonetary Transactions

Nonmonetary Transactions

During the three months ended March 31, 2023, the Company's nonmonetary transactions included exchanges of both proved and unproved oil and gas properties in the Midland Basin with unaffiliated third parties. Certain of these transactions were determined to have commercial substance, which led to those transactions being accounted for at fair value, and resulted in the Company recording a gain of $24 million to net gain on disposition of assets in the consolidated statements of operations and $162 million of noncash investing activities for the three months ended March 31, 2023. Nonmonetary transactions that do not have commercial substance are recorded at carryover basis.

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Fair Value Measurements

3 Months Ended

Mar. 31, 2024

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

The Company determines fair value based on the price that would be received from selling an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Fair value measurements are based upon inputs that market participants use in pricing an asset or liability, which are characterized according to a hierarchy that prioritizes those inputs based on the degree to which they are observable. Observable inputs represent market data obtained from independent sources, whereas unobservable inputs reflect a company's own market assumptions, which are used if observable inputs are not reasonably available without undue cost and effort. The fair value input hierarchy level to which an asset or liability measurement in its entirety falls is determined based on the lowest level input that is significant to the measurement in its entirety.

The three input levels of the fair value hierarchy are as follows:

•Level 1 – quoted prices for identical assets or liabilities in active markets.

•Level 2 – quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in markets that are not active; inputs other than quoted prices that are observable for the asset or liability (e.g. interest rates) and inputs derived principally from or corroborated by observable market data by correlation or other means.

•Level 3 – unobservable inputs for the asset or liability, typically reflecting management's estimate of assumptions that market participants would use in pricing the asset or liability. The fair values are therefore determined using model-based techniques, including discounted cash flow models.

Assets and liabilities measured at fair value on a recurring basis.

	As of March 31, 2024
	Fair Value Measurements
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
	(in millions)
Assets:
Investment in affiliate	$	134	$	—	$	—	$	134
Deferred compensation plan assets	67		—		—		67
	$	201	$	—	$	—	$	201
Liabilities:
Conversion option derivatives	$	—	$	2	$	—	$	2
Marketing derivatives	—		—		224		224
	$	—	$	2	$	224	$	226

	As of December 31, 2023
	Fair Value Measurements
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
	(in millions)
Assets:
Investment in affiliate	$	139	$	—	$	—	$	139
Deferred compensation plan assets	65		—		—		65
Conversion option derivatives	—		1		—		1
	$	204	$	1	$	—	$	205
Liabilities:
Marketing derivatives	$	—	$	—	$	129	$	129

Gains and losses recorded in the consolidated statements of operations related to assets and liabilities measured at fair value on a recurring basis are as follows:

	Three Months Ended March 31,
	2024		2023
	(in millions)
Investment in affiliate valuation adjustment	$	(5)	$	(53)
Deferred compensation plan asset valuation adjustment	$	3	$	(1)
Derivative loss, net:
Marketing derivatives:
Noncash derivative loss	$	(95)	$	(36)
Cash payments on settled derivatives	(20)		(15)
Total marketing derivative loss	(115)		(51)
Conversion option derivatives:
Noncash derivative loss, net	(3)		—
Cash receipts (payments) on settled derivatives, net	(4)		7
Total conversion option derivative gain (loss), net	(7)		7
	$	(122)	$	(44)

Investment in affiliate. The Company elected the fair value option for measuring its equity method investment in ProPetro Holding Corp. ("ProPetro"). The fair value of the Company's investment in ProPetro common shares is determined using Level 1 inputs based on observable prices on a major exchange and changes in fair value are recorded in net interest and other income (loss) in the consolidated statements of operations. See Note 10 for additional information.

Deferred compensation plan assets. The Company's deferred compensation plan assets include investments in equity and mutual fund securities that are actively traded on major exchanges. The fair value of these investments is determined using Level 1 inputs based on observable prices on major exchanges and changes in fair value are recorded in net interest and other income (loss) in the consolidated statements of operations.

Conversion option derivatives. In May 2020, the Company issued $1.3 billion principal amount of convertible senior notes due 2025 (the "Convertible Notes"). Certain holders of the Convertible Notes have exercised their conversion options per the terms of the notes' indenture. The Company elected to settle the conversions in cash, with settlement occurring 25 trading days from the notice of conversion (the "Settlement Period"). The Company's election to settle an exercised conversion option in cash results in a forward contract during the Settlement Period that is accounted for as a derivative instrument not designated as a hedge. The change in fair value of the conversion option derivatives during the Settlement Period is primarily determined based on Level 2 inputs related to the daily volumetric weighted average prices of the Company's common shares during the Settlement Period. See Note 6 for additional information.

Marketing derivatives. The Company uses marketing derivatives to diversify its oil pricing to Gulf Coast and international markets. The Company's marketing derivatives reflect long-term marketing contracts with Occidental Energy Marketing, Inc. ("Oxy") whereby the Company agreed to purchase and simultaneously sell, at an oil terminal in Midland, Texas, (i) 50 thousand barrels of oil per day beginning January 1, 2021 and ending December 31, 2026, (ii) 40 thousand barrels of oil per day beginning May 1, 2022 and ending April 30, 2027 and (iii) 30 thousand barrels of oil per day beginning August 1, 2022 and ending July 31, 2027. The price the Company pays to purchase the oil volumes under the purchase contract is based on a Midland oil price and the price the Company receives for the oil volumes sold is the WASP that Oxy receives for selling oil through a Gulf Coast storage and export facility at prices that are highly correlated with Brent oil prices during the same month of the purchase. Based on the form of the long-term marketing contracts, the Company accounts for the contracts as derivative instruments not designated as hedges. The asset and liability measurements for the long-term marketing contracts are determined using both Level 2 and 3 inputs. The Company utilizes a discounted cash flow model for valuing the marketing derivatives.

The values attributable to the Company's marketing derivatives that are determined based on Level 2 inputs include (i) the contracted notional volumes, (ii) independent active market price quotes, (iii) the applicable estimated credit-adjusted

risk-free rate yield curve and (iv) stated contractual rates. The Level 3 inputs attributable to the Company's marketing derivatives include the historical monthly differential between Brent oil prices and Oxy's WASP ("WASP Differential Deduction") and, to a lesser extent, an estimated annual cost inflation rate. The average WASP Differential Deduction used in the fair value determination as of March 31, 2024 and December 31, 2023 was $1.90 per barrel and $1.66 per barrel, respectively. The WASP Differential Deduction and the estimated annual cost inflation rate reflects management's best estimate of future results utilizing historical performance, however these estimates are not observable inputs by a market participant and contain a high degree of uncertainty. The Company experiences mark-to-market fluctuations in the fair value of its marketing derivatives based on changes in the WASP Differential Deduction if it deviates from historical levels. For example, a 10 percent increase or decrease in the WASP Differential Deduction would impact the fair value of the Company's marketing derivatives recorded by $23 million as of March 31, 2024.

Derivative financial instruments are presented in the Company's consolidated balance sheets as follows:

As of March 31, 2024
Type	Consolidated Balance Sheet Location	Fair Value		Gross Amounts Offset in the Consolidated Balance Sheet		Net Fair Value Presented in the Consolidated Balance Sheet
		(in millions)
Liabilities:
Marketing derivatives	Derivatives - current	$	111	$	—	$	111
Conversion option derivatives	Derivatives - current	$	2	$	—	$	2
Marketing derivatives	Derivatives - noncurrent	$	113	$	—	$	113

As of December 31, 2023
Type	Consolidated Balance Sheet Location	Fair Value		Gross Amounts Offset in the Consolidated Balance Sheet		Net Fair Value Presented in the Consolidated Balance Sheet
		(in millions)
Assets:
Conversion option derivatives	Prepaids and other	$	1	$	—	$	1
Liabilities:
Marketing derivatives	Derivatives - current	$	53	$	—	$	53
Marketing derivatives	Derivatives - noncurrent	$	76	$	—	$	76

Assets and liabilities measured at fair value on a nonrecurring basis. Certain assets and liabilities are measured at fair value on a nonrecurring basis. These assets and liabilities are not measured at fair value on an ongoing basis, but are subject to fair value adjustments in certain circumstances. These assets and liabilities can include inventories, proved and unproved oil and gas properties, goodwill, asset retirement obligations and other long-lived assets that are written down to fair value when they are determined to be impaired or held for sale.

Nonmonetary transactions. Oil and gas property nonmonetary transactions that have commercial substance are valued as of the transaction date based on income and market based approaches utilizing Level 3 inputs, including internally generated development and production profiles and price and cost assumptions. During the three months ended March 31, 2023, the Company recorded a gain of $24 million to net gain on disposition of assets in the consolidated statements of operations associated with nonmonetary transactions. See Note 3 for additional information.

Other long-lived assets. The Company reviews its long-lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. If such assets are considered to be impaired, the impairment charge is measured as the amount by which the carrying amount of the asset exceeds its estimated fair value determined using either a discounted future cash flow model or another appropriate fair value method. As a result of the Company's impairment assessments of unoccupied facilities during the three months ended March 31, 2023, the Company recorded $11 million of noncash impairment charges in other expense in the consolidated statements of operations. See Note 12 for additional information.

Financial instruments not carried at fair value.

	As of March 31, 2024				As of December 31, 2023
	Carrying Value		Fair Value		Carrying Value		Fair Value
	(in millions)
Assets:
Cash and cash equivalents (a)	$	451	$	451	$	240	$	240
Liabilities:
Current portion of debt:
Convertible senior notes (b)	$	11	$	31	$	28	$	68
Long-term debt:
Convertible senior notes (b)	$	448	$	1,286	$	507	$	1,239
Senior notes (b)	$	4,302	$	3,935	$	4,300	$	3,981

______________________

(a)Fair value approximates carrying value due to the short-term nature of the instruments.

(b)Fair value is determined using Level 2 inputs. The Company's senior notes are quoted, but not actively traded on major exchanges; therefore, fair value is based on periodic values as quoted on major exchanges. See Note 6 for additional information.

The Company has other financial instruments consisting primarily of receivables, payables and other current assets and liabilities that approximate fair value due to the nature of the instrument and their relatively short maturities.

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Exploratory Well and Project Costs

3 Months Ended

Mar. 31, 2024

Extractive Industries [Abstract]

Exploratory Well and Project Costs

Exploratory Well and Project Costs

The Company capitalizes exploratory well and project costs until a determination is made that the well or project has either found proved reserves, is impaired or is sold. The Company's capitalized exploratory well and project costs are included in proved properties in the consolidated balance sheets. If the exploratory well or project is determined to be impaired, the impaired costs are recorded in exploration and abandonments expense in the consolidated statements of operations.

The changes in capitalized exploratory well and project costs are as follows:

	Three Months Ended  March 31, 2024
	(in millions)
Beginning capitalized exploratory well and project costs	$	784
Additions to exploratory well and project costs pending the determination of proved reserves	775
Reclassifications due to determination of proved reserves	(728)
Ending capitalized exploratory well and project costs	$	831

Aging of capitalized exploratory costs and the number of projects for which exploratory well costs have been capitalized based on the date drilling was completed, are as follows:

	As of March 31, 2024		As of December 31, 2023
	(in millions, except project counts)
One year or less	$	831	$	784
More than one year	—		—
	$	831	$	784
Number of projects with exploratory well costs that have been suspended for a period greater than one year	—		—

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Debt and Interest Expense

3 Months Ended

Mar. 31, 2024

Debt Disclosure [Abstract]

Debt and Interest Expense

Debt and Interest Expense

The components of debt, including the effects of issuance costs and net discounts, are as follows:

	As of March 31, 2024		As of December 31, 2023
	(in millions)
Outstanding debt principal balances:
0.250% convertible senior notes due 2025	$	460	$	537
5.100% senior notes due 2026	1,100		1,100
1.125% senior notes due 2026	750		750
7.200% senior notes due 2028	241		241
4.125% senior notes due 2028 (a)	138		138
1.900% senior notes due 2030	1,100		1,100
2.150% senior notes due 2031	1,000		1,000
	4,789		4,866
Issuance costs and discounts, net	(28)		(31)
Total debt	4,761		4,835
Less current portion of debt	11		28
Long-term debt	$	4,750	$	4,807

______________________

(a)Assumed in the acquisition of Parsley Energy, Inc. on January 12, 2021.

Credit facility. The Company maintains a revolving corporate credit facility (the "Credit Facility") with a syndicate of financial institutions ("Syndicate") and has aggregate loan commitments of $2.0 billion. The Credit Facility has a maturity date of January 12, 2026. As of March 31, 2024, the Company had no outstanding borrowings under the Credit Facility. The Company had intermittent borrowings and repayments of $105 million and $350 million during the three months ended March 31, 2024 and 2023, respectively. The Credit Facility requires the maintenance of a ratio of total debt to book capitalization, subject to certain adjustments, not to exceed 0.65 to 1.0. As of March 31, 2024, the Company was in compliance with its debt covenants.

Senior notes. The Company's senior notes are general unsecured obligations ranking equally in right of payment with all other senior unsecured indebtedness of the Company and are senior in right of payment to all existing and future subordinated indebtedness of the Company. The Company is a holding company that conducts all of its operations through subsidiaries; consequently, the senior notes are structurally subordinated to all obligations of its subsidiaries. Interest on the Company's senior notes is payable semiannually.

Convertible senior notes. The Convertible Notes bear a fixed interest rate of 0.250% per year, with interest payable semiannually on May 15 and November 15. The Convertible Notes will mature on May 15, 2025, unless earlier redeemed, repurchased or converted. The Convertible Notes are unsecured obligations ranking equally in right of payment with all other senior unsecured indebtedness of the Company.

As of March 31, 2024, the Convertible Notes are convertible at an adjusted conversion rate of 10.9539 shares of the Company's common shares per $1,000 principal amount of the Convertible Notes (subject to further adjustment pursuant to the terms of the notes' indenture, the "Conversion Rate"), which represents an adjusted conversion price of $91.29 per share (subject to adjustment pursuant to the terms of the notes indenture, the "Conversion Price"). Upon conversion, the Convertible Notes may be settled in cash, the Company's common shares or a combination thereof, at the Company's election.

Holders of the Convertible Notes may convert their notes at their option prior to February 15, 2025 under the following circumstances:

•during the quarter following any quarter during which the last reported sales price of the Company's common shares for at least 20 of the last 30 consecutive trading days of such quarter exceeds 130 percent of the Conversion Price;

•during the five-business day period following any five consecutive trading day period when the trading price of the Convertible Notes is less than 98 percent of the product of the last reported sales price of the Company's common shares and the Conversion Rate;

•upon notice of redemption by the Company; or

•upon the occurrence of specified corporate events, including certain consolidations or mergers.

On or after February 15, 2025, until the close of business on the second scheduled trading day immediately preceding the maturity date, holders may convert their notes at any time. Currently, the Company may redeem the Convertible Notes only if the last reported sale price of the Company's common shares has been at least 130 percent of the Conversion Price for at least 20 trading days (whether or not consecutive) during any 30 consecutive trading day period ending on, and including, the trading day immediately preceding the date on which the Company provides the notice of redemption. The redemption price is equal to 100 percent of the principal amount of the Convertible Notes to be redeemed, plus accrued and unpaid interest.

In connection with the issuance of the Convertible Notes, the Company entered into privately negotiated capped call transactions with certain financial institution counterparties (the "Capped Call"), the purpose of which was to reduce the potential dilution to the Company's common shares upon conversion of the Convertible Notes and/or offset any cash payments the Company is required to make in excess of the principal amount of such converted notes, with such reduction and offset subject to a capped price. As of March 31, 2024, the Capped Call transactions have an adjusted strike price of $91.29 per share of common shares and an adjusted capped price of $129.92 per share of common shares.

As of March 31, 2024, the effective annual interest rate on the Convertible Notes is 0.6 percent after giving effect to deferred financing fees relating to the notes.

Convertible Note conversions. During the last 30 consecutive trading days of the first quarter of 2021 through the first quarter of 2024, the last reported sales price of the Company's common shares exceeded 130 percent of the Conversion Price for at least 20 trading days, causing the Convertible Notes to be convertible at the option of the holders during the period from April 1, 2021 through June 30, 2024.

Certain holders of the Convertible Notes exercised their conversion option resulting in the Company recognizing the following cash payments and cash receipts associated with the conversions:

	Three Months Ended March 31,
	2024		2023
	(in millions)
Cash payments:
Principal repayments	$	77	$	92
Conversion premiums	110		138
Conversion option derivative payments, net	4		—
Cash payments, net	$	191	$	230
Cash receipts:
Capped Call proceeds	$	23	$	31
Conversion option derivative receipts, net	—		7
Cash receipts, net	$	23	$	38

The Company recorded the conversion premiums paid, Capped Call proceeds and associated issuance fees and deferred taxes attributable to the principal amount of the Convertible Notes converted in additional paid-in-capital.

As of March 31, 2024 and December 31, 2023, $11 million and $28 million, respectively, of the principal amount of the Convertible Notes remained in the Settlement Period and are recorded in the current portion of debt in the consolidated balance

sheets for each respective period. The current portion of Convertible Notes, as of March 31, 2024, will be cash settled at the end of their respective Settlement Periods during the second quarter of 2024.

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Incentive Plans

3 Months Ended

Mar. 31, 2024

Share-Based Payment Arrangement [Abstract]

Incentive Plans

Incentive Plans

Long-Term Incentive Plan. The Company's Amended and Restated 2006 Long-Term Incentive Plan ("LTIP") provides for the granting of various forms of awards, including stock options, stock appreciation rights, performance units, restricted shares and restricted stock units to directors, officers and employees of the Company.

Share-based compensation expense for (i) restricted stock awards and units expected to be settled in the Company's common shares ("Equity Awards"), (ii) restricted stock units expected to be settled in cash ("Liability Awards"), (iii) performance units ("Performance Awards") issued under the LTIP and (iv) shares issued under the Company's Employee Stock Purchase Plan ("ESPP") are as follows:

	Three Months Ended March 31,
	2024		2023
	(in millions)
Equity Awards	$	19	$	13
Liability Awards (a)	4		3
Performance Awards	2		9
ESPP	1		1
	$	26	$	26
Capitalized share-based compensation expense	$	5	$	4

______________________

(a)Liability Awards are expected to be settled on their vesting date in cash. As of March 31, 2024 and December 31, 2023, accounts payable – due to affiliates included $8 million and $5 million, respectively, of liabilities attributable to Liability Awards.

As of March 31, 2024, there is $103 million of unrecognized share-based compensation expense related to unvested share-based compensation awards of which $17 million is attributable to Liability Awards. The unrecognized compensation expense will be recognized on a straight-line basis over the remaining requisite service periods of the awards, which is a period of less than three years on a weighted average basis. Expense for the Performance Awards granted in 2023 is estimated based upon the achievement of certain financial performance targets and is reassessed periodically. The cumulative impact of any change in estimate is reflected in the period of the change. The Company did not grant Performance Awards in 2024.

Per the change in control terms of award agreements, any Equity Awards, Liability Awards and Performance Awards granted prior to October 10, 2023 that are outstanding immediately prior to the completion of a change in control event will become vested. Additionally, in accordance with the Merger Agreement, outstanding Performance Awards vest at their maximum payout percentage, which may impact future share-based compensation expense based upon the fair value of the awards as of the modification date.

Activity for Equity Awards, Liability Awards, and Performance Awards is as follows:

	Three Months Ended March 31, 2024
	Equity Awards	Liability Awards	Performance Awards (a)
Beginning awards	403,324	102,632	191,778
Awards granted	151,568	2,657	—
Awards forfeited	(3,573)	(2,893)	—
Awards vested (b)	(45,049)	(2,176)	—
Ending awards	506,270	100,220	191,778

______________________

(a)Reflects the number of performance units initially granted assuming a target payout percentage. In accordance with the Merger Agreement, outstanding Performance Awards will vest at their maximum payout percentage upon closing.

(b)Per the terms of award agreements and elections, the issuance of common shares may be deferred for certain Equity Awards that vest during the period.

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Asset Retirement Obligations

3 Months Ended

Mar. 31, 2024

Asset Retirement Obligation [Abstract]

Asset Retirement Obligations

Asset Retirement Obligations

The Company's asset retirement obligations primarily relate to the future plugging and abandonment of wells and related facilities. Market risk premiums associated with asset retirement obligations are estimated to represent a component of the Company's credit-adjusted risk-free rate that is utilized in the calculations of asset retirement obligations. The Company includes the current and noncurrent portions of asset retirement obligations in other current liabilities and other liabilities, respectively, in the consolidated balance sheets and expenditures are included as cash used in operating activities in the consolidated statements of cash flows.

Asset retirement obligations activity is as follows:

	Three Months Ended March 31, 2024
	(in millions)
Beginning asset retirement obligations	$	459
Additions	2
Liabilities settled	(24)
Accretion of discount	5
Ending asset retirement obligations	442
Less current portion of asset retirement obligations	(90)
Asset retirement obligations, long-term	$	352

The Company's wells and related facilities abandonment costs generally approximate their estimated asset retirement obligations.

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Commitments and Contingencies

3 Months Ended

Mar. 31, 2024

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Indemnifications. The Company has agreed to indemnify its directors and certain of its officers, employees and agents with respect to claims and damages arising from acts or omissions taken in such capacity, as well as with respect to certain litigation.

Legal actions. The Company is party to various proceedings and claims incidental to its business and in connection with the Merger. While many of these matters involve inherent uncertainty, the Company believes that the amount of the liability, if any, ultimately incurred with respect to these proceedings and claims will not have a material adverse effect on the Company's consolidated financial position as a whole or on its liquidity, capital resources or future annual results of operations. The Company records reserves for contingencies when information available indicates that a loss is probable and the amount of the loss can be reasonably estimated. Significant judgement is required in making these estimates and the Company's final liabilities may ultimately be materially different.

Environmental. Environmental expenditures that relate to an existing condition caused by past operations and that have no future economic benefits are expensed. Environmental expenditures that extend the life of the related property or mitigate or prevent future environmental contamination are capitalized. Liabilities for expenditures that will not qualify for capitalization are recorded when environmental assessment and/or remediation is probable and the costs can be reasonably estimated. Such liabilities are undiscounted unless the timing of cash payments for the liability is fixed or reliably determinable. Environmental liabilities normally involve estimates that are subject to revision until settlement or remediation occurs.

Obligations following divestitures. In connection with its divestiture transactions, the Company may retain certain liabilities and provide the purchaser certain indemnifications, subject to defined limitations, which may apply to identified pre-closing matters, including matters of litigation, environmental contingencies, royalties and income taxes.

The Company may also be subject to retained liabilities with respect to certain divested assets by operation of law. Upon divesting its assets, the Company may receive collateral or credit support for its exposure to such liabilities. The Company establishes reserves for the amount that exceeds the collateral or credit support received in the event that the obligation becomes likely to be paid by the Company. For example, the Company is exposed to the risk that owners and/or operators of assets purchased from the Company may become unable to satisfy plugging or abandonment obligations associated with those assets. In that event, due to operation of law, the Company may be required to assume all or part of the plugging or abandonment obligations for those assets. Although the Company may establish reserves for such liabilities, it could be required to pay additional amounts in the future and these amounts could be material.

The Company does not recognize a liability if the fair value of the obligation is immaterial or the likelihood of making payments is remote.

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Related Party Transactions

3 Months Ended

Mar. 31, 2024

Related Party Transactions [Abstract]

Related Party Transactions

Related Party Transactions

In December 2018, the Company completed the sale of its pressure pumping assets to ProPetro in exchange for 16.6 million shares of ProPetro common shares and $110 million of cash. ProPetro is considered a related party as the shares received represent 15 percent of ProPetro's outstanding common shares. In addition to the sale of equipment and related facilities, the Company entered into a long-term agreement with ProPetro for it to provide pressure pumping and related services that ended on December 31, 2022. The Company continued to utilize ProPetro for pressure pumping and related services for a portion of 2023, but no longer uses such services as of March 31, 2024.

Phillip A. Gobe, a nonemployee member of the Company's Board of Directors (the "Board"), was appointed by the board of directors of ProPetro to serve as its Executive Chairman in October 2019 and Chief Executive Officer in March 2020, and served as Chief Executive Officer and Chairman of the board of directors of ProPetro through August 31, 2021, at which point he continued as ProPetro's Executive Chairman. In March 2022, Mr. Gobe transitioned to non-executive Chairman of the board of directors of ProPetro. Mark S. Berg, the Company's Executive Vice President, Corporate Operations, serves as a member of the ProPetro board of directors under the Company's right to designate a director to the board of directors of ProPetro so long as the Company owns five percent or more of ProPetro's outstanding common shares.

Based on the Company's ownership in ProPetro and representation on the ProPetro board of directors, ProPetro is considered an affiliate.

Charges attributable to ProPetro pressure pumping related services were capitalized in oil and gas properties or charged to other expense as incurred. ProPetro pressure pumping related service charges are as follows:

	Three Months Ended March 31,
	2024		2023
	(in millions)
Pressure pumping related service charges	$	—	$	42

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Revenue Recognition

3 Months Ended

Mar. 31, 2024

Revenue from Contract with Customer [Abstract]

Revenue Recognition

Revenue Recognition

Disaggregated revenue from contracts with purchasers. Revenues on sales of oil, NGLs, gas and purchased oil and gas are recognized when control of the product is transferred to the purchaser and payment can be reasonably assured. Sales prices for oil, NGLs and gas are negotiated based on factors normally considered in the industry, such as an index or spot price, distance from the well to the pipeline or market, commodity quality and prevailing supply and demand conditions. Accordingly, the prices received by the Company for oil, NGLs and gas generally fluctuate similar to changes in the relevant market index prices.

Disaggregated revenue from contracts with purchasers by product type is as follows:

	Three Months Ended March 31,
	2024		2023
	(in millions)
Oil sales	$	2,683	$	2,444
NGL sales	429		412
Gas sales	175		310
Total oil and gas revenues	3,287		3,166
Sales of purchased oil	1,613		1,429
Sales of purchased gas	3		2
Total sales of purchased commodities	1,616		1,431
	$	4,903	$	4,597

Performance obligations and contract balances. The majority of the Company's product sale commitments are short-term in nature with a contract term of one year or less. The Company typically satisfies its performance obligations upon transfer of control as described above in Disaggregated revenue from contracts with purchasers and records the related revenue in the month production is delivered to the purchaser. Settlement statements for sales of oil, NGLs, gas and sales of purchased oil and gas may not be received for 30 to 60 days after the date the volumes are delivered, and as a result, the Company is required to estimate the amount of volumes delivered to the purchaser and the price that will be received for the sale of the product. The Company records the differences between estimates and the actual amounts received for product sales in the month that payment is received from the purchaser. As of March 31, 2024 and December 31, 2023, the accounts receivable

balance representing amounts due or billable under the terms of contracts with purchasers was $1.7 billion and $1.5 billion, respectively.

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Other Expense

3 Months Ended

Mar. 31, 2024

Other Income and Expenses [Abstract]

Other Expense

Other Expense

The components of other expense are as follows:

	Three Months Ended March 31,
	2024		2023
	(in millions)
ExxonMobil merger-related costs (a)	$	9	$	—
Unoccupied facilities expense (b)	8		9
Legal and environmental contingencies (Note 9)	2		16
Impairment of long-lived assets (Note 4)	—		11
Other	5		5
	$	24	$	41

____________________

(a)Primarily represents legal fees and other transaction costs associated with the ExxonMobil merger.

(b)Primarily represents facilities expense associated with certain offices acquired as part of business combinations that are no longer occupied by the Company.

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Income Taxes

3 Months Ended

Mar. 31, 2024

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

Enactment of the Inflation Reduction Act of 2022. On August 16, 2022, President Biden signed into law the Inflation Reduction Act of 2022 (the "IRA"), which includes, among other things, a corporate alternative minimum tax (the "CAMT"). Under the CAMT, a 15 percent minimum tax is imposed on certain adjusted financial statement income of "applicable corporations." The CAMT generally treats a corporation as an "applicable corporation" in any taxable year in which the "average annual adjusted financial statement income" of the corporation and certain of its subsidiaries and affiliates for a three-taxable-year period ending prior to such taxable year exceeds $1 billion. The U.S. Department of the Treasury and the Internal Revenue Service have issued guidance on the application of the CAMT, which may be relied upon until final regulations are released. If the Company's CAMT liability is greater than its regular U.S. federal income tax liability for any particular tax year, the CAMT liability would effectively accelerate its future U.S. federal income tax obligations, reducing its cash flows in that year, but provide an offsetting credit against its regular U.S. federal income tax liability in future tax years. Based on the Company's interpretation of the IRA, CAMT and related guidance, the Company does not expect the CAMT to materially increase its tax obligations for the 2024 taxable year, however, the Company will continue to monitor and assess any impacts of the IRA on the Company's current year tax provision and the Company's consolidated financial statements.

Income tax provisions and effective tax rates are as follows:

	Three Months Ended March 31,
	2024			2023
	(in millions, except tax rates)
Current tax provision	$	238		$	225
Deferred tax provision	71			110
	$	309		$	335
Effective tax rate	22		%	22		%

The Company evaluates and updates its annual effective income tax rate on an interim basis based on current and forecasted earnings and enacted tax laws. The mix and timing of the Company's actual earnings compared to annual projections can cause interim effective tax rate fluctuations. The Company's interim effective tax rate for the three months ended March 31, 2024 and 2023 differed from the U.S. statutory rate of 21 percent primarily due to forecasted state income taxes.

The Company files income tax returns in the U.S. federal jurisdiction and various state jurisdictions. As of March 31, 2024, there are no proposed adjustments in any jurisdiction that would have a material effect on the Company's future results of operations or financial position.

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Net Income Per Share and Stockholders' Equity

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Net Income Per Share and Stockholders' Equity

Net Income Per Share and Shareholders' Equity

Net income per share. The components of basic and diluted net income per share attributable to common shareholders are as follows:

	Three Months Ended March 31,
	2024		2023
	(in millions, except per share data)
Net income attributable to common shareholders	$	1,095	$	1,222
Participating share-based earnings (a)	(2)		(3)
Basic net income attributable to common shareholders	1,093		1,219
Adjustment to after-tax interest expense to reflect the dilutive impact attributable to Convertible Notes	—		1
Diluted net income attributable to common shareholders	$	1,093	$	1,220
Basic weighted average shares outstanding	234		235
Convertible Notes (b)	5		9
Diluted weighted average shares outstanding	239		244
Net income per share attributable to common shareholders:
Basic	$	4.68	$	5.19
Diluted	$	4.57	$	5.00

______________________

(a)Unvested Equity Awards and Liability Awards represent participating securities because they participate in non-forfeitable dividends with the common equity owners of the Company. Participating share-based earnings represent the distributed and undistributed earnings of the Company attributable to the participating securities. Unvested Equity Awards and Liability Awards do not participate in undistributed net losses as they are not contractually obligated to do so. The dilutive effect of the reallocation of participating share-based earnings to diluted net income attributable to common shareholders was negligible.

(b)Diluted weighted average common shares outstanding includes the dilutive effect had the Company's Convertible Notes been converted as of the beginning of the three months ended March 31, 2024 and 2023, respectively. If converted by the holder, the Company may settle in cash, Company's common shares or a combination thereof, at the Company's election. See Note 6 for additional information.

Shareholders' equity. The Company's return of capital strategies include payments of dividends and a share repurchase program. The Board, at its sole discretion, may change its dividend practices and/or the Company's share repurchase program based on the Company's outlook for commodity prices, liquidity, debt levels, capital resources, quarterly operating cash flows or other factors, including terms set forth in the Merger Agreement. Dividends declared by the Board and shares repurchased during the period are presented in the Company's consolidated statements of equity as dividends declared and purchases of treasury shares, respectively. Dividends paid and shares repurchased during the period are presented as cash used in financing activities in the Company's consolidated statements of cash flows. Dividends that are declared and have not been paid, if any, are included in other current liabilities in the consolidated balance sheets. Share repurchases are included as treasury shares in the consolidated balance sheets.

Dividends. Dividends declared by the Board are as follows:

	Base		Variable		Total		Total
	(per share)		(per share)		(per share)		(in millions)
2024:
First quarter	$	1.25	$	1.31	$	2.56	$	603
2023:
First quarter	$	1.10	$	4.48	$	5.58	$	1,314

The Company can provide no assurance that dividends will be authorized or declared in the future or as to the amount of any future dividends. The Merger Agreement provides certain restrictions on future base and variable dividend declarations, including an agreement that the Company will no longer declare a variable dividend after distributing the variable dividend attributable to the fourth quarter 2023 results.

Share repurchase programs. In April 2023, the Board authorized a $4 billion common share repurchase program to replace the $4 billion common share repurchase program authorized in February 2022. As was the case with previous share repurchase programs, the Company may repurchase shares in accordance with applicable securities laws or pursuant to a trading plan meeting the requirements of Rule 10b5-1 under the Securities Exchange Act of 1934 (the "Exchange Act"), which would permit the Company to repurchase shares at times that may otherwise be prohibited under the Company's insider trading policy.

Expenditures to acquire shares under the share repurchase programs are as follows:

	Three Months Ended March 31,
	2024		2023
	(in millions)
Shares repurchased (a)	$	—	$	500

______________________

(a)The Company repurchased 2.4 million shares during the three months ended March 31, 2023. Expenditures for share repurchases exclude the one percent IRA excise tax.

With limited exceptions, the Merger Agreement precludes the Company from future repurchases or acquisition of the Company's common shares, including repurchases under the Company's share repurchase program.

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Basis of Presentation (Policies)

3 Months Ended

Mar. 31, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Presentation

Presentation. In the opinion of management, the unaudited interim consolidated financial statements of the Company as of March 31, 2024 and for the three months ended March 31, 2024 and 2023 include all adjustments and accruals, consisting only of normal, recurring adjustments and accruals necessary for a fair presentation of the results for the interim periods in conformity with GAAP. The operating results for the three months ended March 31, 2024 are not necessarily indicative of results for a full year.

Certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted in accordance with the rules and regulations of the SEC. These unaudited interim consolidated financial statements should be read together with the consolidated financial statements and notes thereto included in the Company's Annual Report on Form 10-K for the year ended December 31, 2023.

Use of estimates in the preparation of financial statements

Use of estimates in the preparation of financial statements. Preparation of the Company's consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from the estimates and assumptions utilized.

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Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2024

Fair Value Disclosures [Abstract]

Schedule of assets and liabilities measured at fair value on a recurring basis

	As of March 31, 2024
	Fair Value Measurements
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
	(in millions)
Assets:
Investment in affiliate	$	134	$	—	$	—	$	134
Deferred compensation plan assets	67		—		—		67
	$	201	$	—	$	—	$	201
Liabilities:
Conversion option derivatives	$	—	$	2	$	—	$	2
Marketing derivatives	—		—		224		224
	$	—	$	2	$	224	$	226

	As of December 31, 2023
	Fair Value Measurements
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
	(in millions)
Assets:
Investment in affiliate	$	139	$	—	$	—	$	139
Deferred compensation plan assets	65		—		—		65
Conversion option derivatives	—		1		—		1
	$	204	$	1	$	—	$	205
Liabilities:
Marketing derivatives	$	—	$	—	$	129	$	129

Schedule of derivative gains and losses recognized on statement of operations

Gains and losses recorded in the consolidated statements of operations related to assets and liabilities measured at fair value on a recurring basis are as follows:

	Three Months Ended March 31,
	2024		2023
	(in millions)
Investment in affiliate valuation adjustment	$	(5)	$	(53)
Deferred compensation plan asset valuation adjustment	$	3	$	(1)
Derivative loss, net:
Marketing derivatives:
Noncash derivative loss	$	(95)	$	(36)
Cash payments on settled derivatives	(20)		(15)
Total marketing derivative loss	(115)		(51)
Conversion option derivatives:
Noncash derivative loss, net	(3)		—
Cash receipts (payments) on settled derivatives, net	(4)		7
Total conversion option derivative gain (loss), net	(7)		7
	$	(122)	$	(44)

Schedule of offsetting asset and liability

Derivative financial instruments are presented in the Company's consolidated balance sheets as follows:

As of March 31, 2024
Type	Consolidated Balance Sheet Location	Fair Value		Gross Amounts Offset in the Consolidated Balance Sheet		Net Fair Value Presented in the Consolidated Balance Sheet
		(in millions)
Liabilities:
Marketing derivatives	Derivatives - current	$	111	$	—	$	111
Conversion option derivatives	Derivatives - current	$	2	$	—	$	2
Marketing derivatives	Derivatives - noncurrent	$	113	$	—	$	113

As of December 31, 2023
Type	Consolidated Balance Sheet Location	Fair Value		Gross Amounts Offset in the Consolidated Balance Sheet		Net Fair Value Presented in the Consolidated Balance Sheet
		(in millions)
Assets:
Conversion option derivatives	Prepaids and other	$	1	$	—	$	1
Liabilities:
Marketing derivatives	Derivatives - current	$	53	$	—	$	53
Marketing derivatives	Derivatives - noncurrent	$	76	$	—	$	76

Schedule of carrying values and financial instruments not carried at fair value

	As of March 31, 2024				As of December 31, 2023
	Carrying Value		Fair Value		Carrying Value		Fair Value
	(in millions)
Assets:
Cash and cash equivalents (a)	$	451	$	451	$	240	$	240
Liabilities:
Current portion of debt:
Convertible senior notes (b)	$	11	$	31	$	28	$	68
Long-term debt:
Convertible senior notes (b)	$	448	$	1,286	$	507	$	1,239
Senior notes (b)	$	4,302	$	3,935	$	4,300	$	3,981

______________________

(a)Fair value approximates carrying value due to the short-term nature of the instruments.

(b)Fair value is determined using Level 2 inputs. The Company's senior notes are quoted, but not actively traded on major exchanges; therefore, fair value is based on periodic values as quoted on major exchanges. See Note 6 for additional information.

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Exploratory Well and Project Costs (Tables)

3 Months Ended

Mar. 31, 2024

Extractive Industries [Abstract]

Schedule of capitalized exploratory well costs, roll forward

The changes in capitalized exploratory well and project costs are as follows:

	Three Months Ended  March 31, 2024
	(in millions)
Beginning capitalized exploratory well and project costs	$	784
Additions to exploratory well and project costs pending the determination of proved reserves	775
Reclassifications due to determination of proved reserves	(728)
Ending capitalized exploratory well and project costs	$	831

Schedule of capitalized exploratory costs and the number of projects for which exploratory costs have been capitalized

Aging of capitalized exploratory costs and the number of projects for which exploratory well costs have been capitalized based on the date drilling was completed, are as follows:

	As of March 31, 2024		As of December 31, 2023
	(in millions, except project counts)
One year or less	$	831	$	784
More than one year	—		—
	$	831	$	784
Number of projects with exploratory well costs that have been suspended for a period greater than one year	—		—

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Debt and Interest Expense (Tables)

3 Months Ended

Mar. 31, 2024

Debt Disclosure [Abstract]

Schedule of components of long-term debt

The components of debt, including the effects of issuance costs and net discounts, are as follows:

	As of March 31, 2024		As of December 31, 2023
	(in millions)
Outstanding debt principal balances:
0.250% convertible senior notes due 2025	$	460	$	537
5.100% senior notes due 2026	1,100		1,100
1.125% senior notes due 2026	750		750
7.200% senior notes due 2028	241		241
4.125% senior notes due 2028 (a)	138		138
1.900% senior notes due 2030	1,100		1,100
2.150% senior notes due 2031	1,000		1,000
	4,789		4,866
Issuance costs and discounts, net	(28)		(31)
Total debt	4,761		4,835
Less current portion of debt	11		28
Long-term debt	$	4,750	$	4,807

______________________

(a)Assumed in the acquisition of Parsley Energy, Inc. on January 12, 2021.

Schedule of derivative instruments

Certain holders of the Convertible Notes exercised their conversion option resulting in the Company recognizing the following cash payments and cash receipts associated with the conversions:

	Three Months Ended March 31,
	2024		2023
	(in millions)
Cash payments:
Principal repayments	$	77	$	92
Conversion premiums	110		138
Conversion option derivative payments, net	4		—
Cash payments, net	$	191	$	230
Cash receipts:
Capped Call proceeds	$	23	$	31
Conversion option derivative receipts, net	—		7
Cash receipts, net	$	23	$	38

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Incentive Plans (Tables)

3 Months Ended

Mar. 31, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of stock-based compensation expense

Share-based compensation expense for (i) restricted stock awards and units expected to be settled in the Company's common shares ("Equity Awards"), (ii) restricted stock units expected to be settled in cash ("Liability Awards"), (iii) performance units ("Performance Awards") issued under the LTIP and (iv) shares issued under the Company's Employee Stock Purchase Plan ("ESPP") are as follows:

	Three Months Ended March 31,
	2024		2023
	(in millions)
Equity Awards	$	19	$	13
Liability Awards (a)	4		3
Performance Awards	2		9
ESPP	1		1
	$	26	$	26
Capitalized share-based compensation expense	$	5	$	4

______________________

(a)Liability Awards are expected to be settled on their vesting date in cash. As of March 31, 2024 and December 31, 2023, accounts payable – due to affiliates included $8 million and $5 million, respectively, of liabilities attributable to Liability Awards.

Schedule of equity awards, liability awards, performance awards and stock options

Activity for Equity Awards, Liability Awards, and Performance Awards is as follows:

	Three Months Ended March 31, 2024
	Equity Awards	Liability Awards	Performance Awards (a)
Beginning awards	403,324	102,632	191,778
Awards granted	151,568	2,657	—
Awards forfeited	(3,573)	(2,893)	—
Awards vested (b)	(45,049)	(2,176)	—
Ending awards	506,270	100,220	191,778

______________________

(a)Reflects the number of performance units initially granted assuming a target payout percentage. In accordance with the Merger Agreement, outstanding Performance Awards will vest at their maximum payout percentage upon closing.

(b)Per the terms of award agreements and elections, the issuance of common shares may be deferred for certain Equity Awards that vest during the period.

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Asset Retirement Obligations (Tables)

3 Months Ended

Mar. 31, 2024

Asset Retirement Obligation [Abstract]

Schedule of asset retirement obligations

Asset retirement obligations activity is as follows:

	Three Months Ended March 31, 2024
	(in millions)
Beginning asset retirement obligations	$	459
Additions	2
Liabilities settled	(24)
Accretion of discount	5
Ending asset retirement obligations	442
Less current portion of asset retirement obligations	(90)
Asset retirement obligations, long-term	$	352

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Related Party Transactions (Tables)

3 Months Ended

Mar. 31, 2024

Related Party Transactions [Abstract]

Schedule of related party transactions and balances

ProPetro pressure pumping related service charges are as follows:

	Three Months Ended March 31,
	2024		2023
	(in millions)
Pressure pumping related service charges	$	—	$	42

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Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2024

Revenue from Contract with Customer [Abstract]

Disaggregation of revenue

Disaggregated revenue from contracts with purchasers by product type is as follows:

	Three Months Ended March 31,
	2024		2023
	(in millions)
Oil sales	$	2,683	$	2,444
NGL sales	429		412
Gas sales	175		310
Total oil and gas revenues	3,287		3,166
Sales of purchased oil	1,613		1,429
Sales of purchased gas	3		2
Total sales of purchased commodities	1,616		1,431
	$	4,903	$	4,597

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Other Expense (Tables)

3 Months Ended

Mar. 31, 2024

Other Income and Expenses [Abstract]

Schedule of components of other expense

The components of other expense are as follows:

	Three Months Ended March 31,
	2024		2023
	(in millions)
ExxonMobil merger-related costs (a)	$	9	$	—
Unoccupied facilities expense (b)	8		9
Legal and environmental contingencies (Note 9)	2		16
Impairment of long-lived assets (Note 4)	—		11
Other	5		5
	$	24	$	41

____________________

(a)Primarily represents legal fees and other transaction costs associated with the ExxonMobil merger.

(b)Primarily represents facilities expense associated with certain offices acquired as part of business combinations that are no longer occupied by the Company.

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Income Taxes (Tables)

3 Months Ended

Mar. 31, 2024

Income Tax Disclosure [Abstract]

Schedule of income tax (provision) benefit and effective tax rate

Income tax provisions and effective tax rates are as follows:

	Three Months Ended March 31,
	2024			2023
	(in millions, except tax rates)
Current tax provision	$	238		$	225
Deferred tax provision	71			110
	$	309		$	335
Effective tax rate	22		%	22		%

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Net Income Per Share and Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Reconciliation of earnings attributable to common stockholders, basic and diluted

The components of basic and diluted net income per share attributable to common shareholders are as follows:

	Three Months Ended March 31,
	2024		2023
	(in millions, except per share data)
Net income attributable to common shareholders	$	1,095	$	1,222
Participating share-based earnings (a)	(2)		(3)
Basic net income attributable to common shareholders	1,093		1,219
Adjustment to after-tax interest expense to reflect the dilutive impact attributable to Convertible Notes	—		1
Diluted net income attributable to common shareholders	$	1,093	$	1,220
Basic weighted average shares outstanding	234		235
Convertible Notes (b)	5		9
Diluted weighted average shares outstanding	239		244
Net income per share attributable to common shareholders:
Basic	$	4.68	$	5.19
Diluted	$	4.57	$	5.00

______________________

(a)Unvested Equity Awards and Liability Awards represent participating securities because they participate in non-forfeitable dividends with the common equity owners of the Company. Participating share-based earnings represent the distributed and undistributed earnings of the Company attributable to the participating securities. Unvested Equity Awards and Liability Awards do not participate in undistributed net losses as they are not contractually obligated to do so. The dilutive effect of the reallocation of participating share-based earnings to diluted net income attributable to common shareholders was negligible.

(b)Diluted weighted average common shares outstanding includes the dilutive effect had the Company's Convertible Notes been converted as of the beginning of the three months ended March 31, 2024 and 2023, respectively. If converted by the holder, the Company may settle in cash, Company's common shares or a combination thereof, at the Company's election. See Note 6 for additional information.

Dividends Declared

Dividends declared by the Board are as follows:

	Base		Variable		Total		Total
	(per share)		(per share)		(per share)		(in millions)
2024:
First quarter	$	1.25	$	1.31	$	2.56	$	603
2023:
First quarter	$	1.10	$	4.48	$	5.58	$	1,314

Class of Treasury Stock

Expenditures to acquire shares under the share repurchase programs are as follows:

	Three Months Ended March 31,
	2024		2023
	(in millions)
Shares repurchased (a)	$	—	$	500

______________________

(a)The Company repurchased 2.4 million shares during the three months ended March 31, 2023. Expenditures for share repurchases exclude the one percent IRA excise tax.

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Organization and Nature of Operations - Narrative (Details)	Oct. 10, 2023 shares
Pioneer Natural Resources | Exxon Mobil
Business Acquisition [Line Items]
Common stock, number of ExxonMobil common stock for each share of Pioneer common stock converted	2.3234

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Nonmonetary Transactions - Narrative (Details) - Exchange of productive assets $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($)
Business Acquisition [Line Items]
Gain on disposition of assets	$ 24
Noncash acquisition related costs	$ 162

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Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Assets:
Investment in affiliate	$ 134	$ 139
Deferred compensation plan assets	67	65
Assets, fair value disclosure	201	205
Liabilities:
Liabilities, fair value disclosure	226
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Investment in affiliate	134	139
Deferred compensation plan assets	67	65
Assets, fair value disclosure	201	204
Liabilities:
Liabilities, fair value disclosure	0
Significant Other Observable Inputs (Level 2)
Assets:
Investment in affiliate	0	0
Deferred compensation plan assets	0	0
Assets, fair value disclosure	0	1
Liabilities:
Liabilities, fair value disclosure	2
Significant Unobservable Inputs (Level 3)
Assets:
Investment in affiliate	0	0
Deferred compensation plan assets	0	0
Assets, fair value disclosure	0	0
Liabilities:
Liabilities, fair value disclosure	224
Conversion option derivatives
Assets:
Conversion option derivatives		1
Liabilities:
Derivative liabilities	2
Conversion option derivatives | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Conversion option derivatives		0
Liabilities:
Derivative liabilities	0
Conversion option derivatives | Significant Other Observable Inputs (Level 2)
Assets:
Conversion option derivatives		1
Liabilities:
Derivative liabilities	2
Conversion option derivatives | Significant Unobservable Inputs (Level 3)
Assets:
Conversion option derivatives		0
Liabilities:
Derivative liabilities	0
Marketing derivatives
Liabilities:
Derivative liabilities	224	129
Marketing derivatives | Quoted Prices in Active Markets for Identical Assets (Level 1)
Liabilities:
Derivative liabilities	0	0
Marketing derivatives | Significant Other Observable Inputs (Level 2)
Liabilities:
Derivative liabilities	0	0
Marketing derivatives | Significant Unobservable Inputs (Level 3)
Liabilities:
Derivative liabilities	$ 224	$ 129

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Fair Value Measurements - Schedule of Derivative Obligations Under Terminated Hedge Arrangements (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Investment in affiliate valuation adjustment	$ (5)	$ (53)
Deferred compensation plan asset valuation adjustment	3	(1)
Derivative [Line Items]
Derivative gain (loss), net	(122)	(44)
0.250% convertible senior notes due 2025 | Convertible debt
Derivative [Line Items]
Noncash derivative loss	(3)	0
Cash receipts (payments) on settled derivatives, net	(4)	7
Derivative gain (loss), net	(7)	7
Marketing derivatives
Derivative [Line Items]
Noncash derivative loss	(95)	(36)
Cash receipts (payments) on settled derivatives, net	(20)	(15)
Derivative gain (loss), net	$ (115)	$ (51)

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Fair Value Measurements - Narrative (Details) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2024 USD ($) bblPerDay d $ / bbl	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($) $ / bbl	May 01, 2020 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	$ 4,789		$ 4,866
Debt instrument, convertible, conversion settlement period after notice | d	25
Impairment of long-lived assets	$ 0	$ 11
Exchange of productive assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain on disposition of assets		$ 24
Marketing Derivative, January 1, 2021 through December 31, 2026
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Purchase contract, amount of barrel to be purchased and sold | bblPerDay	50,000
Marketing Derivative, May 1, 2022 through April 30, 2027
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Purchase contract, amount of barrel to be purchased and sold | bblPerDay	40,000
Marketing Derivative, August 1, 2022 through July 31, 2027
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Purchase contract, amount of barrel to be purchased and sold | bblPerDay	30,000
0.250% convertible senior notes due 2025 | Convertible debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	$ 460		$ 537	$ 1,300
Marketing derivatives
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative, fair value input, WASP differential deduction | $ / bbl	1.90		1.66

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Fair Value Measurements - Schedule of Derivative Instruments (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Liabilities:
Derivative liability, current	$ 113	$ 53
Derivatives	$ 113	$ 76
Derivative Liability, Current, Statement of Financial Position [Extensible Enumeration]	Derivative liability, current	Derivative liability, current
Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Derivatives	Derivatives
Derivatives not designated as hedging instruments | Conversion option derivatives
Derivative Asset [Abstract]
Derivative asset, fair value, before offset		$ 1
Derivatives asset, offset in balance sheet		0
Derivative asset, current		1
Liabilities:
Derivative liability, current	$ 2
Derivatives not designated as hedging instruments | Conversion option derivatives | Derivatives - current
Liabilities:
Derivative liability, fair value, before offset	2
Derivative liabilities, offset in balance sheet	0
Derivatives not designated as hedging instruments | Marketing derivatives
Liabilities:
Derivative liability, current	111	53
Derivatives	113	76
Derivatives not designated as hedging instruments | Marketing derivatives | Derivatives - current
Liabilities:
Derivative liability, fair value, before offset	111	53
Derivative liabilities, offset in balance sheet	0	0
Derivatives not designated as hedging instruments | Marketing derivatives | Derivatives - noncurrent
Liabilities:
Derivative liability, fair value, before offset	113	76
Derivative liabilities, offset in balance sheet	$ 0	$ 0

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Fair Value Measurements - Schedule of Carrying Values and Financial Instruments Not Carried at Fair Value (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	$ 451	$ 240
Current portion of debt	11	28
Long-term debt	4,750	4,807
Convertible debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current portion of debt	11	28
Long-term debt	448	507
Senior notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	4,302	4,300
Estimate of Fair Value Measurement | Convertible debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current portion of debt	31	68
Long-term debt	1,286	1,239
Estimate of Fair Value Measurement | Senior notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	3,935	3,981
Cash
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents, fair value	$ 451	$ 240

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Exploratory Well and Project Costs - Schedule of Capitalized Exploratory Well And Project Activity (Details) $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($)
Increase (Decrease) in Capitalized Exploratory Well Costs that are Pending Determination of Proved Reserves [Roll Forward]
Beginning capitalized exploratory well and project costs	$ 784
Additions to exploratory well and project costs pending the determination of proved reserves	775
Reclassifications due to determination of proved reserves	(728)
Ending capitalized exploratory well and project costs	$ 831

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Exploratory Well and Project Costs - Aging of Capitalized Exploratory Costs (Details) $ in Millions	Mar. 31, 2024 USD ($) Well	Dec. 31, 2023 USD ($) Well
Capitalized Exploratory Well Costs [Abstract]
One year or less	$ 831	$ 784
More than one year	0	0
Total capitalized exploratory well costs	$ 831	$ 784
Number of projects with exploratory well costs that have been suspended for a period greater than one year | Well	0	0

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Debt and Interest Expense - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023	May 01, 2020
Debt Instrument [Line Items]
Long-term debt	$ 4,789	$ 4,866
Issuance costs and discounts, net	(28)	(31)
Total debt	4,761	4,835
Current portion of debt	11	28
Long-term debt	4,750	4,807
Convertible debt
Debt Instrument [Line Items]
Current portion of debt	11	28
Long-term debt	448	507
Senior notes
Debt Instrument [Line Items]
Long-term debt	$ 4,302	4,300
0.250% convertible senior notes due 2025
Debt Instrument [Line Items]
Stated interest rate	0.25%
0.250% convertible senior notes due 2025 | Convertible debt
Debt Instrument [Line Items]
Long-term debt	$ 460	537	$ 1,300
Current portion of debt	$ 11	28
5.100% senior notes due 2026
Debt Instrument [Line Items]
Stated interest rate	5.10%
5.100% senior notes due 2026 | Senior notes
Debt Instrument [Line Items]
Long-term debt	$ 1,100	1,100
1.125% senior notes due 2026
Debt Instrument [Line Items]
Stated interest rate	1.125%
1.125% senior notes due 2026 | Senior notes
Debt Instrument [Line Items]
Long-term debt	$ 750	750
7.200% senior notes due 2028
Debt Instrument [Line Items]
Stated interest rate	7.20%
7.200% senior notes due 2028 | Senior notes
Debt Instrument [Line Items]
Long-term debt	$ 241	241
4.125% senior notes due 2028 (a)
Debt Instrument [Line Items]
Stated interest rate	4.125%
4.125% senior notes due 2028 (a) | Senior notes
Debt Instrument [Line Items]
Long-term debt	$ 138	138
1.900% senior notes due 2030
Debt Instrument [Line Items]
Stated interest rate	1.90%
1.900% senior notes due 2030 | Senior notes
Debt Instrument [Line Items]
Long-term debt	$ 1,100	1,100
2.150% senior notes due 2031
Debt Instrument [Line Items]
Stated interest rate	2.15%
2.150% senior notes due 2031 | Senior notes
Debt Instrument [Line Items]
Long-term debt	$ 1,000	$ 1,000

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Debt and Interest Expense - Narrative (Details)	3 Months Ended
	Mar. 31, 2024 USD ($) day $ / shares	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 2,000,000,000
Outstanding borrowings under the Credit Facility	$ 0
Cap price | $ / shares	$ 129.92
Current portion of debt	$ 11,000,000		$ 28,000,000
Revolving Credit Agreement
Debt Instrument [Line Items]
Intermittent borrowings and repayments of Credit Facility	$ 105,000,000	$ 350,000,000
Revolving Credit Agreement | Minimum
Debt Instrument [Line Items]
Debt to book capitalization ratio	0.65
Revolving Credit Agreement | Maximum
Debt Instrument [Line Items]
Debt to book capitalization ratio	1.0
0.250% convertible senior notes due 2025
Debt Instrument [Line Items]
Stated interest rate	0.25%
Senior notes | 0.250% convertible senior notes due 2025
Debt Instrument [Line Items]
Initial conversion rate	0.0109539
Convertible debt
Debt Instrument [Line Items]
Current portion of debt	$ 11,000,000		28,000,000
Convertible debt | 0.250% convertible senior notes due 2025
Debt Instrument [Line Items]
Debt instrument, convertible, conversion price | $ / shares	$ 91.29
Debt instrument, convertible, threshold trading days | day	20
Threshold consecutive trading days | day	30
Debt instrument, convertible, threshold percentage of conversion price	130.00%
Debt instrument, convertible, threshold percentage of stock price trigger	98.00%
Debt instrument, convertible, conversion ratio, percent	100.00%
Effective interest rate	0.60%
Current portion of debt	$ 11,000,000		$ 28,000,000
Convertible debt | 0.250% convertible senior notes due 2025 | Debt Conversion Terms One
Debt Instrument [Line Items]
Debt instrument, convertible, threshold trading days | day	5
Convertible debt | 0.250% convertible senior notes due 2025 | Debt Conversion Terms Two
Debt Instrument [Line Items]
Threshold consecutive trading days | day	5

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Debt and Interest Expense - Convertible Notes (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Derivative [Line Items]
Principal repayments	$ 292	$ 580
0.250% convertible senior notes due 2025 | Convertible debt
Derivative [Line Items]
Principal repayments	77	92
Conversion premiums	110	138
Cash receipts (payments) on settled derivatives, net	(4)	7
Cash payments, net	191	230
Capped Call proceeds	23	31
Cash receipts, net	$ 23	$ 38

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Incentive Plans - Schedule of Compensation Expense for Each Type of Incentive Award (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 26	$ 26
Capitalized share-based compensation expense	5	4
Equity Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	19	13
Liability Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	4	3
Amount of liabilities attributable to liability awards included in accounts payable	8		$ 5
Performance Awards (a)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	2	9
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 1	$ 1

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Incentive Plans - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized share-based compensation expense | $	$ 103
Vesting period	3 years
Liability Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized share-based compensation expense | $	$ 17
Units granted (in shares) | shares	2,657
Performance Awards (a)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units granted (in shares) | shares	0

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Incentive Plans - Schedule Of Equity Awards, Liability Awards, Performance Awards and Stock Options Activity (Details)	3 Months Ended
	Mar. 31, 2024 shares
Equity Awards
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Beginning balance outstanding (in shares)	403,324
Awards granted (in shares)	151,568
Awards forfeited (in shares)	(3,573)
Awards vested (in shares)	(45,049)
Ending balance outstanding (in shares)	506,270
Liability Awards
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Beginning balance outstanding (in shares)	102,632
Awards granted (in shares)	2,657
Awards forfeited (in shares)	(2,893)
Awards vested (in shares)	(2,176)
Ending balance outstanding (in shares)	100,220
Performance Awards (a)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Beginning balance outstanding (in shares)	191,778
Awards granted (in shares)	0
Awards forfeited (in shares)	0
Awards vested (in shares)	0
Ending balance outstanding (in shares)	191,778

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Asset Retirement Obligations (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Beginning asset retirement obligations	$ 459
Additions	2
Liabilities settled	(24)
Accretion of discount	5	$ 4
Ending asset retirement obligations	442
Less current portion of asset retirement obligations	90
Asset retirement obligations, long-term	$ 352

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Related Party Transactions (Details) - USD ($) shares in Millions, $ in Millions	1 Months Ended	3 Months Ended
	Dec. 31, 2018	Mar. 31, 2024	Mar. 31, 2023
Related Party Transaction [Line Items]
Right to designate director, ownership percent		5.00%
Pressure pumping related service charges		$ 0	$ (42)
ProPetro | ProPetro
Related Party Transaction [Line Items]
Percent ownership		15.00%
ProPetro | Pressure pumping assets | Sale of assets
Related Party Transaction [Line Items]
Shares received (in shares)	16.6
Short-term receivables	$ 110

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Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Total revenue	$ 4,903	$ 4,597
Oil sales
Disaggregation of Revenue [Line Items]
Total revenue	2,683	2,444
NGL sales
Disaggregation of Revenue [Line Items]
Total revenue	429	412
Gas sales
Disaggregation of Revenue [Line Items]
Total revenue	175	310
Total oil and gas revenues
Disaggregation of Revenue [Line Items]
Total revenue	3,287	3,166
Sales of purchased oil
Disaggregation of Revenue [Line Items]
Total revenue	1,613	1,429
Sales of purchased gas
Disaggregation of Revenue [Line Items]
Total revenue	3	2
Total sales of purchased commodities
Disaggregation of Revenue [Line Items]
Total revenue	$ 1,616	$ 1,431

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Revenue Recognition - Narrative (Details) - USD ($) $ in Billions	Mar. 31, 2024	Dec. 31, 2023
Revenue from Contract with Customer [Abstract]
Accounts receivable balance representing amounts due or billable	$ 1.7	$ 1.5

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Other Expense - Schedule of Components of Other Expense (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Other Income and Expenses [Abstract]
ExxonMobil merger-related costs (a)	$ 9	$ 0
Unoccupied facilities expense (b)	8	9
Legal and environmental contingencies	2	16
Impairment of long-lived assets	0	11
Other	5	5
Total other expense	$ 24	$ 41

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Income Taxes - Schedule of Income Tax Provision (Expense) and Effective Tax Rate (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Tax Disclosure [Abstract]
Current tax provision	$ 238	$ 225
Deferred tax provision	71	110
Income tax provision	$ 309	$ 335
Effective tax rate	22.00%	22.00%

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Net Income (Loss) Per Share and Stockholders' Equity - Reconciliation of Earnings Attributable to Common Stockholders, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Earnings Per Share [Abstract]
Net income attributable to common shareholders	$ 1,095	$ 1,222
Participating share-based earnings	(2)	(3)
Basic net income attributable to common shareholders	1,093	1,219
Adjustment to after-tax interest expense to reflect the dilutive impact attributable to Convertible Notes	0	1
Diluted net income attributable to common shareholders	$ 1,093	$ 1,220
Basic weighted average shares outstanding (in shares)	234	235
Convertible Notes dilution (in shares)	5	9
Diluted weighted average shares outstanding (in shares)	239	244
Basic (usd per share)	$ 4.68	$ 5.19
Diluted (usd per share)	$ 4.57	$ 5.00

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Net Income (Loss) Per Share and Stockholders' Equity - Dividends Declared (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Earnings Per Share [Abstract]
Common stock, dividends, per share, declared, base (usd per share)	$ 1.25	$ 1.10
Common stock, dividends, per share, declared (usd per share)	1.31	4.48
Dividends declared (usd per share)	$ 2.56	$ 5.58
Dividends, common stock, cash	$ 603	$ 1,314

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Net Income (Loss) Per Share and Stockholders' Equity - Narrative (Details) - Common stock repurchase program - USD ($) shares in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Apr. 27, 2023	Feb. 28, 2022
Equity, Class of Treasury Stock [Line Items]
Authorized amount			$ 4,000,000,000	$ 4,000,000,000
Purchases of treasury stock (in shares)	0.0	500.0
Stock repurchased during period (in shares)		2.4