PXD / Pioneer Natural Resources Company - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Pioneer Natural Resources Company
US ˙ NYSE ˙ US7237871071
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CIK 1038357
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Pioneer Natural Resources Company
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
June 20, 2024 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K ☒ ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 15(

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K ☒ ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 333-39249 A. Full title of the plan and the add

May 13, 2024 15-12G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number 001-13245 Pioneer Natural Resources Company (Exact name of registrant as spe

May 3, 2024 EX-3.1

AMENDED AND RESTATED CERTIFICATE OF INCORPORATION PIONEER NATURAL RESOURCES COMPANY May 3, 2024

EX-3.1 Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF PIONEER NATURAL RESOURCES COMPANY May 3, 2024 FIRST: The name of the corporation is Pioneer Natural Resources Company (the “Corporation”). SECOND: The address of the Corporation’s registered office in the State of Delaware is located at 251 Little Falls Drive, in the City of Wilmington, County of New Castle, Delaware 19808. Th

May 3, 2024 POSASR

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No 333-39381 No.

May 3, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No.

May 3, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No.

May 3, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No.

May 3, 2024 EX-99.25

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange hereby notifies the SEC of its intention to remove the entire class of the stated securities from listing and registration on the Exchange at the opening of business on May 14, 2024, pursuant to the provisions of Rule 12d2-2 (a).

May 3, 2024 EX-99.1

May 1, 2024

EX-99.1 Exhibit 99.1 May 1, 2024 Important: Company stock fund change in your investment lineup Due to the impending merger between ExxonMobil and Pioneer Natural Resources USA, Inc., the Pioneer Natural Resources Company Stock Fund will be removed from the investment lineup for the Pioneer Natural Resources USA, Inc. 401(k) and Matching Plan (091151) after the merger is complete, which is expecte

May 3, 2024 POS AM

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No 333-39381 No.

May 3, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No.

May 3, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No.

May 3, 2024 POSASR

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No 333-39381 No.

May 3, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No.

May 3, 2024 POSASR

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No 333-39381 No.

May 3, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No.

May 3, 2024 POSASR

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No 333-39381 No.

May 3, 2024 POS AM

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No 333-39381 No.

May 3, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No.

May 3, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No.

May 3, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No.

May 3, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No.

May 3, 2024 POS AM

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No 333-39381 No.

May 3, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No.

May 3, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No.

May 3, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No.

May 3, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 1, 2024 PIONEER NATURAL RESOU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 1, 2024 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Commis

May 3, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No.

May 3, 2024 POSASR

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No 333-39381 No.

May 3, 2024 POS AM

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No 333-39381 No.

May 3, 2024 POS AM

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No 333-39381 No.

May 3, 2024 POSASR

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No 333-39381 No.

May 3, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No.

May 3, 2024 EX-3.2

PIONEER NATURAL RESOURCES COMPANY * * * * * * * * * * * * * * AMENDED AND RESTATED * * * * * * * * * * * * * * * * May 3, 2024 I. MEETINGS OF STOCKHOLDERS

EX-3.2 Exhibit 3.2 PIONEER NATURAL RESOURCES COMPANY * * * * * * * * * * * * * * AMENDED AND RESTATED BY-LAWS * * * * * * * * * * * * * * * * May 3, 2024 I. MEETINGS OF STOCKHOLDERS 1. Meetings of stockholders may be held at such place, date and hour, within or without the State of Delaware, as shall be designated by the board of directors or the person authorized to call the meeting and stated in

May 3, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No.

May 3, 2024 POS AM

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No 333-39381 No.

May 3, 2024 EX-4.1

PIONEER NATURAL RESOURCES COMPANY EXXON MOBIL CORPORATION COMPUTERSHARE TRUST COMPANY, N.A., as Trustee FIRST SUPPLEMENTAL INDENTURE May 3, 2024 0.250% Convertible Senior Notes due 2025

EX-4.1 Exhibit 4.1 PIONEER NATURAL RESOURCES COMPANY EXXON MOBIL CORPORATION AND COMPUTERSHARE TRUST COMPANY, N.A., as Trustee FIRST SUPPLEMENTAL INDENTURE May 3, 2024 0.250% Convertible Senior Notes due 2025 FIRST SUPPLEMENTAL INDENTURE, dated as of May 3, 2024 (this “Supplemental Indenture”), by and among Pioneer Natural Resources Company, a Delaware corporation (the “Company”), Exxon Mobil Corp

May 3, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No.

May 3, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No.

May 3, 2024 POSASR

As filed with the Securities and Exchange Commission on May 3, 2024

As filed with the Securities and Exchange Commission on May 3, 2024 Registration No 333-39381 No.

May 2, 2024 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 o

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 RESOUR

April 29, 2024 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No.1) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 or ☐ TRANSITION RE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No.1) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 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

April 24, 2024 8-K

Regulation FD Disclosure, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 24, 2024 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Com

March 1, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 29, 2024 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (

February 22, 2024 EX-10.71

Form of Second Amended and Restated Change in Control Agreement, dated November 16, 2023, between the Company and each of Richard P. Dealy, Neal H. Shah, Mark S. Berg, J.D. Hall and other executive officers.

EXHIBIT 10.71H PIONEER NATURAL RESOURCES COMPANY SECOND AMENDED AND RESTATED CHANGE IN CONTROL AGREEMENT This Second Amended and Restated Change in Control Agreement (“Agreement”) is entered into, as of November 16, 2023, among Pioneer Natural Resources Company, a Delaware corporation (“Parent”), Pioneer Natural Resources USA, Inc., a Delaware corporation that is a wholly-owned subsidiary of Paren

February 22, 2024 EX-99.1

Pioneer Natural Resources Reports Fourth Quarter and Full Year 2023 Financial and Operating Results

News Release Pioneer Natural Resources Reports Fourth Quarter and Full Year 2023 Financial and Operating Results Dallas, Texas, February 22, 2024 - Pioneer Natural Resources Company (NYSE:PXD) ("Pioneer" or "the Company") today reported financial and operating results for the quarter and year ended December 31, 2023.

February 22, 2024 EX-99.1

Report of Netherland, Sewell & Associates, Inc.

EXHIBIT 99.1 February 5, 2024 Mr. Ken Rockwood Pioneer Natural Resources Company 777 Hidden Ridge Drive Irving, Texas 75038 Dear Mr. Rockwood: In accordance with your request, we have audited the estimates prepared by Pioneer Natural Resources Company (Pioneer), as of December 31, 2023, of the proved reserves and future revenue to the Pioneer interest in certain oil and gas properties located in t

February 22, 2024 EX-10.69

Second Amended and Restated Change in Control Agreement, dated November 16, 2023, between the Company and Scott D. Sheffield.

EXHIBIT 10.69 PIONEER NATURAL RESOURCES COMPANY SECOND AMENDED AND RESTATED CHANGE IN CONTROL AGREEMENT This Second Amended and Restated Change in Control Agreement (“Agreement”) is entered into, as of November 16, 2023, among Pioneer Natural Resources Company, a Delaware corporation (“Parent”), Pioneer Natural Resources USA, Inc., a Delaware corporation that is a wholly-owned subsidiary of Parent

February 22, 2024 EX-97.1

Incentive-Based Compensation Clawback Policy, dated November 14, 2023.

EXHIBIT 97.1 PIONEER NATURAL RESOURCES COMPANY Incentive-Based Compensation Clawback Policy (this “Policy”) Adopted by the Compensation and Leadership Development Committee of the Board of Directors (the “Committee”) on November 14, 2023. 1. Recoupment. If Pioneer Natural Resources Company (the “Company”) is required to prepare a Restatement, the Committee shall, unless determined to be Impractica

February 22, 2024 EX-21.1

Subsidiaries of the registrant.

EXHIBIT 21.1 SUBSIDIARIES OF THE COMPANY Subsidiaries State or Jurisdiction of Organization Pioneer Natural Resources USA, Inc. Delaware DMLP CO. Delaware Mesa Environmental Ventures Co. Delaware Petroleum South Cape (Pty) Ltd. South Africa Pioneer Giddings Wind Energy LLC Delaware Pioneer Natural Gas Company Texas Pioneer Natural Resources Foundation Texas Pioneer Natural Resources Pumping Servic

February 22, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 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 C

February 22, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 22, 2024 PIONEER NATURAL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 22, 2024 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (

February 13, 2024 SC 13G/A

PXD / Pioneer Natural Resources Company / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 15)* Name of issuer: Pioneer Natural Resources Co Title of Class of Securities: Common Stock CUSIP Number: 723787107 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule pursuant to which this Schedule i

February 9, 2024 SC 13G/A

PXD / Pioneer Natural Resources Company / Capital World Investors - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2 )* Pioneer Natural Resources Co. (Name of Issuer) Common Stock (Title of Class of Securities) 723787107 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropri

February 8, 2024 EX-99.1

Pioneer Natural Resources Announces Results of Special Meeting

Exhibit 99.1 News Release Pioneer Natural Resources Announces Results of Special Meeting Dallas, Texas, February 7, 2024 — Pioneer Natural Resources Company (“Pioneer” or “the Company”) (NYSE:PXD) today announced that the Company received shareholder approval for the pending merger with Exxon Mobil Corporation (“ExxonMobil”) (NYSE:XOM). Pioneer will file the vote results of the special shareholder

February 8, 2024 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 7, 2024 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (C

February 8, 2024 EX-10.1

Form of Restricted Stock Unit Award Agreement between Pioneer and certain executive officers of Pioneer with respect to annual awards made under Pioneer’s 2006 Long-Term Incentive Plan, commencing in 2024.

Exhibit 10.1 RESTRICTED STOCK UNIT AWARD AGREEMENT PIONEER NATURAL RESOURCES COMPANY AMENDED AND RESTATED 2006 LONG TERM INCENTIVE PLAN February 7, 2024 To: Pioneer Natural Resources Company, a Delaware corporation (the “Company”), is pleased to grant you on the date set forth above (the “Grant Date”) an award (this “Award”) to receive Restricted Stock Units (the “Restricted Stock Units”) whereby

February 2, 2024 425

ExxonMobil Fourth Quarter 2023 Earnings Call Q&A This abridged transcript presents questions related to ExxonMobil’s announced Pioneer Natural Resources acquisition during ExxonMobil’s fourth quarter 2023 earnings call held on February 2, 2024.

Filed by Exxon Mobil Corporation (Commission File No.: 001-02256) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following three communications were delivered in connection with Exxon Mobil Corporation’s 2023 fourth-quarter earn

February 1, 2024 8-K

Regulation FD Disclosure, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 1, 2024 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (C

January 8, 2024 DEFM14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

DEFM14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

January 4, 2024 425

Filed by Pioneer Natural Resources Company

Filed by Pioneer Natural Resources Company (Commission File No.: 001-13245) Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following article was posted by Hart Energy on January 2, 2024: As Pioneer Seals the Deal with Exxon,

January 4, 2024 425

Filed by Pioneer Natural Resources Company

Filed by Pioneer Natural Resources Company (Commission File No.: 001-13245) Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following transcript presents an interview given by Richard Dealy, CEO, Pioneer Natural Resources, to

January 4, 2024 425

Filed by Pioneer Natural Resources Company

425 Filed by Pioneer Natural Resources Company (Commission File No.: 001-13245) Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following article was posted by The Midland Reporter-Telegram on January 4, 2024: New Pioneer CEO

December 19, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 15, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (

December 19, 2023 EX-10.1

Form of Share Repayment Letter Agreement. dated December 15, 2023, between Pioneer Natural Resources Company and each of Richard P. Dealy, Neal H. Shah, J.D. Hall and other executive officers.

EX-10.1 Exhibit 10.1 December 15, 2023 [ ] Pioneer Natural Resources Company 777 Hidden Ridge Irving, TX 75038 RE: Share Repayment Dear [ ], As you are aware, the Compensation Committee (the “Committee”) of the Board of Directors of Pioneer Natural Resources Company (the “Company”) has taken action to accelerate the vesting and settlement of the following outstanding equity awards that you hold (c

December 19, 2023 EX-10.1

Form of Share Repayment Letter Agreement. dated December 15, 2023, between Pioneer Natural Resources Company and each of Richard P. Dealy, Neal H. Shah, J.D. Hall and other executive officers.

EX-10.1 Exhibit 10.1 December 15, 2023 [ ] Pioneer Natural Resources Company 777 Hidden Ridge Irving, TX 75038 RE: Share Repayment Dear [ ], As you are aware, the Compensation Committee (the “Committee”) of the Board of Directors of Pioneer Natural Resources Company (the “Company”) has taken action to accelerate the vesting and settlement of the following outstanding equity awards that you hold (c

December 19, 2023 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 15, 2023 PIONEER NATURAL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 15, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (

December 11, 2023 425

Excerpt of Darren Woods’ CNBC Interview on December 7, 2023 CNBC; Squawk Box

Filed by Exxon Mobil Corporation (Commission File No.: 001-02256) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following transcript is an excerpt of an interview given by Darren Woods, Chairman and Chief Executive Officer of E

December 11, 2023 425

ExxonMobil Corporate Plan Update Q&A This abridged transcript presents questions related to ExxonMobil’s announced Pioneer acquisition during ExxonMobil’s Corporate Plan Update call held on December 6, 2023.

Filed by Exxon Mobil Corporation (Commission File No.: 001-02256) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following is a portion of a question-and-answer session held by Exxon Mobil Corporation (“ExxonMobil”) in connectio

December 6, 2023 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 6, 2023 (December 4, 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 6, 2023 (December 4, 2023) Exxon Mobil Corporation (Exact name of registrant as specified in its charter) New Jersey 1-2256 13-5409005 (State or other jurisdiction of incorpo

December 6, 2023 425

PRELIMINARY PREPARED REMARKS

Filed by Exxon Mobil Corporation (Commission File No.: 001-02256) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following are portions of a presentation and prepared remarks presented by Exxon Mobil Corporation and made availab

December 5, 2023 425

Filed by Pioneer Natural Resources Company

Filed by Pioneer Natural Resources Company (Commission File No.: 001-13245) Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following email was sent to all Pioneer employees on December 5, 2023: December 5, 2023 To: All Employ

December 5, 2023 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 4, 2023 PIONEER NATURAL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 4, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (C

December 5, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 4, 2023 PIONEER NATURAL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 4, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (C

November 28, 2023 425

Filed by Pioneer Natural Resources Company

425 Filed by Pioneer Natural Resources Company (Commission File No.: 001-13245) Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following email was sent to certain Pioneer employees on November 28, 2023: IMPORTANT SUPPLEMENT T

November 17, 2023 EX-10.1

Transition Letter Agreement. dated November 17, 2023, between Pioneer Natural Resources Company and Scott D. Sheffield.

EX-10.1 EXHIBIT 10.1 November 17, 2023 Scott D. Sheffield Pioneer Natural Resources Company 777 Hidden Ridge Irving, TX 75038 Dear Scott, This letter agreement (this “Agreement”) outlines the terms and conditions of your transition out of the Chief Executive Officer role with Pioneer Natural Resources Company (the “Company”), certain transition services you have agreed to provide to the Company an

November 17, 2023 EX-10.3

Form of Second Amended and Restated Change in Control Agreement, dated November 16, 2023, between Pioneer Natural Resources Company and each of Richard P. Dealy, Neal H. Shah, Mark S. Berg, J.D. Hall and other executive officers.

EX-10.3 EXHIBIT 10.3 PIONEER NATURAL RESOURCES COMPANY SECOND AMENDED AND RESTATED CHANGE IN CONTROL AGREEMENT This Second Amended and Restated Change in Control Agreement (“Agreement”) is entered into, as of November 16, 2023, among Pioneer Natural Resources Company, a Delaware corporation (“Parent”), Pioneer Natural Resources USA, Inc., a Delaware corporation that is a wholly-owned subsidiary of

November 17, 2023 EX-10.3

Form of Second Amended and Restated Change in Control Agreement, dated November 16, 2023, between Pioneer Natural Resources Company and each of Richard P. Dealy, Neal H. Shah, Mark S. Berg, J.D. Hall and other executive officers.

EX-10.3 EXHIBIT 10.3 PIONEER NATURAL RESOURCES COMPANY SECOND AMENDED AND RESTATED CHANGE IN CONTROL AGREEMENT This Second Amended and Restated Change in Control Agreement (“Agreement”) is entered into, as of November 16, 2023, among Pioneer Natural Resources Company, a Delaware corporation (“Parent”), Pioneer Natural Resources USA, Inc., a Delaware corporation that is a wholly-owned subsidiary of

November 17, 2023 EX-10.2

Second Amended and Restated Change in Control Agreement, dated November 16, 2023, between Pioneer Natural Resources Company and Scott D. Sheffield.

EX-10.2 EXHIBIT 10.2 PIONEER NATURAL RESOURCES COMPANY SECOND AMENDED AND RESTATED CHANGE IN CONTROL AGREEMENT This Second Amended and Restated Change in Control Agreement (“Agreement”) is entered into, as of November 16, 2023, among Pioneer Natural Resources Company, a Delaware corporation (“Parent”), Pioneer Natural Resources USA, Inc., a Delaware corporation that is a wholly-owned subsidiary of

November 17, 2023 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 16, 2023 PIONEER NATURAL

425 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 16, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporatio

November 17, 2023 EX-10.2

Second Amended and Restated Change in Control Agreement, dated November 16, 2023, between Pioneer Natural Resources Company and Scott D. Sheffield.

EX-10.2 EXHIBIT 10.2 PIONEER NATURAL RESOURCES COMPANY SECOND AMENDED AND RESTATED CHANGE IN CONTROL AGREEMENT This Second Amended and Restated Change in Control Agreement (“Agreement”) is entered into, as of November 16, 2023, among Pioneer Natural Resources Company, a Delaware corporation (“Parent”), Pioneer Natural Resources USA, Inc., a Delaware corporation that is a wholly-owned subsidiary of

November 17, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 16, 2023 PIONEER NATURAL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 16, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (

November 17, 2023 EX-10.1

Transition Letter Agreement. dated November 17, 2023, between Pioneer Natural Resources Company and Scott D. Sheffield.

EX-10.1 EXHIBIT 10.1 November 17, 2023 Scott D. Sheffield Pioneer Natural Resources Company 777 Hidden Ridge Irving, TX 75038 Dear Scott, This letter agreement (this “Agreement”) outlines the terms and conditions of your transition out of the Chief Executive Officer role with Pioneer Natural Resources Company (the “Company”), certain transition services you have agreed to provide to the Company an

November 16, 2023 425

Questions and Answers

Filed by Pioneer Natural Resources Company (Commission File No.: 001-13245) Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following questions and answers were posted on Pioneer’s intranet on November 16, 2023: Questions and

November 13, 2023 425

Filed by Exxon Mobil Corporation

Filed by Exxon Mobil Corporation (Commission File No.: 001-02256) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) Pioneer Merger Key Messages Key messages: · This deal strengthens America’s energy security by bringing the best techno

November 2, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 2, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (C

November 2, 2023 EX-99.1

Pioneer Natural Resources Reports Third Quarter 2023 Financial and Operating Results

News Release Pioneer Natural Resources Reports Third Quarter 2023 Financial and Operating Results Dallas, Texas, November 2, 2023 - Pioneer Natural Resources Company (NYSE:PXD) ("Pioneer" or "the Company") today reported financial and operating results for the quarter ended September 30, 2023.

November 2, 2023 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 September 30, 20

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 September 30, 2023 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 RE

October 31, 2023 425

Filed by Exxon Mobil Corporation

Filed by Exxon Mobil Corporation (Commission File No.: 001-02256) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following are portions of an edited transcript of a video posted to Exxon Mobil Corporation’s intranet on October 3

October 30, 2023 425

2

Filed by Exxon Mobil Corporation (Commission File No.: 001-02256) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following abridged transcript presents questions and answers related to Exxon Mobil Corporation's announced propose

October 27, 2023 425

Filed by Exxon Mobil Corporation (Commission File No.: 001-02256)

Filed by Exxon Mobil Corporation (Commission File No.: 001-02256) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following communication was presented in Exxon Mobil Corporation's third-quarter 2023 earnings call on 10/27/2023.

October 25, 2023 425

Filed by Pioneer Natural Resources Company

Filed by Pioneer Natural Resources Company (Commission File No.: 001-13245) Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following frequently asked questions and answers were posted on Pioneer’s intranet on October 25, 2023

October 18, 2023 425

2

Filed by Exxon Mobil Corporation (Commission File No.: 001-02256) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following is a transcript of a Bloomberg interview held on October 11, 2023: Reporter: Major news in the energy wor

October 18, 2023 425

Filed by Exxon Mobil Corporation

Filed by Exxon Mobil Corporation (Commission File No.: 001-02256) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following communication was posted on Exxon Mobil Corporation’s intranet on October 18, 2023: Get to know Pioneer C

October 18, 2023 425

2

Filed by Exxon Mobil Corporation (Commission File No.: 001-02256) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following is a transcript of a video posted to Exxon Mobil Corporation’s intranet on October 18, 2023: M. Furman Sc

October 12, 2023 425

2

Filed by Exxon Mobil Corporation (Commission File No.: 001-02256) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following communication was posted on Exxon Mobil Corporation’s intranet on October 11, 2023: ExxonMobil announces

October 12, 2023 425

Filed by Exxon Mobil Corporation

Filed by Exxon Mobil Corporation (Commission File No.: 001-02256) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following is a transcript of a webcast held by Exxon Mobil Corporation on October 11, 2023: The speakers are identi

October 12, 2023 425

Filed by Exxon Mobil Corporation

Filed by Exxon Mobil Corporation (Commission File No.: 001-02256) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following is a transcript of a video posted to Exxon Mobil Corporation’s intranet on October 11, 2023: M. Furman Hi

October 11, 2023 EX-99.3

To: All Employees

EX-99.3 Exhibit 99.3 To: All Employees From: Scott Sheffield, Chief Executive Officer Subject: Important Company Update Recently, our board of directors received an actionable offer from ExxonMobil. After a careful review of the offer and extensive discussions with ExxonMobil, we have concluded that this combination is in the best interest of our shareholders. As a result, we are announcing today

October 11, 2023 425

2

Filed by Exxon Mobil Corporation (Commission File No.: 001-02256) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following communication was posted on X, by Exxon Mobil Corporation on October 11, 2023: Important Information abou

October 11, 2023 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 10, 2023 PIONEER NATURAL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 10, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (C

October 11, 2023 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 10, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (C

October 11, 2023 EX-99.4

The following communication was posted on X by Pioneer Natural Resources Corporation on October 11, 2023:

EX-99.4 Exhibit 99.4 The following communication was posted on X by Pioneer Natural Resources Corporation on October 11, 2023: The following communication was posted on LinkedIn by Pioneer Natural Resources Corporation on October 11, 2023: The following communication was posted on Instagram by Pioneer Natural Resources Corporation on October 11, 2023: The following communication was posted on Face

October 11, 2023 EX-99.1

ExxonMobil Announces Merger with Pioneer Natural Resources in an All-Stock Transaction

Exhibit 99.1 News Release CONTACT: ExxonMobil Media Relations 737-272-1452 Pioneer Media Relations 917-439-0307 FOR IMMEDIATE RELEASE OCTOBER 11, 2023 ExxonMobil Announces Merger with Pioneer Natural Resources in an All-Stock Transaction · Transforms ExxonMobil’s upstream portfolio, more than doubling the company’s Permian footprint and creating an industry-leading, high-quality, high-return undev

October 11, 2023 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 11, 2023 (October 10, 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 11, 2023 (October 10, 2023) Exxon Mobil Corporation (Exact name of registrant as specified in its charter) New Jersey 1-2256 13-5409005 (State or other jurisdiction of incorpo

October 11, 2023 8-K

Regulation FD Disclosure, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 11, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (C

October 11, 2023 425

Filed by Exxon Mobil Corporation

Filed by Exxon Mobil Corporation (Commission File No.: 001-02256) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following presentation was posted on Exxon Mobil Corporation's website on October 11, 2023: 2023 Inves tor Upd a t

October 11, 2023 EX-99.5

Event Details

EX-99.5 Exhibit 99.5 Exxon Mobil Corporation and Pioneer Natural Resources Co. Merger Call (Raw version) Event Details Date: 2023-10-11 Company: Exxon Mobil Corp. Ticker: XOM-US Company Participants Jennifer Kay Driscoll - Exxon Mobil Corp., Vice President-Investor Relations Darren W. Woods - Exxon Mobil Corp., Chairman & Chief Executive Officer Kathryn A. Mikells - Exxon Mobil Corp., Chief Financ

October 11, 2023 425

Filed by Exxon Mobil Corporation

Filed by Exxon Mobil Corporation (Commission File No.: 001-02256) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following communication was posted on LinkedIn, by Exxon Mobil Corporation on October 11, 2023: Important Informati

October 11, 2023 425

2

Filed by Exxon Mobil Corporation (Commission File No.: 001-02256) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following email message was sent by Darren Woods, Chief Executive Officer of Exxon Mobil Corporation ("ExxonMobil")

October 11, 2023 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 11, 2023 PIONEER NATURAL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 11, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (C

October 11, 2023 EX-2.1

AGREEMENT AND PLAN OF MERGER dated as of October 10, 2023 by and among PIONEER NATURAL RESOURCES COMPANY, EXXON MOBIL CORPORATION, SPQR, LLC

EX-2.1 Exhibit 2.1 Execution Version AGREEMENT AND PLAN OF MERGER dated as of October 10, 2023 by and among PIONEER NATURAL RESOURCES COMPANY, EXXON MOBIL CORPORATION, and SPQR, LLC TABLE OF CONTENTS PAGE ARTICLE 1 DEFINITIONS Section 1.01. Definitions 1 Section 1.02. Other Definitional and Interpretative Provisions 17 ARTICLE 2 THE MERGER Section 2.01. The Merger 18 Section 2.02. Conversion of Sh

October 11, 2023 EX-99.1

ExxonMobil Announces Merger with Pioneer Natural Resources in an All-Stock Transaction

EX-99.1 Exhibit 99.1 News Release CONTACT: ExxonMobil Media Relations 737-272-1452 Pioneer Media Relations 917-439-0307 FOR IMMEDIATE RELEASE OCTOBER 11, 2023 ExxonMobil Announces Merger with Pioneer Natural Resources in an All-Stock Transaction • Transforms ExxonMobil’s upstream portfolio, more than doubling the company’s Permian footprint and creating an industry-leading, high-quality, high-retu

October 11, 2023 EX-99.4

The following communication was posted on X by Pioneer Natural Resources Corporation on October 11, 2023:

EX-99.4 Exhibit 99.4 The following communication was posted on X by Pioneer Natural Resources Corporation on October 11, 2023: The following communication was posted on LinkedIn by Pioneer Natural Resources Corporation on October 11, 2023: The following communication was posted on Instagram by Pioneer Natural Resources Corporation on October 11, 2023: The following communication was posted on Face

October 11, 2023 EX-99.2

Cautionary statement Important Information about the Transaction and Where to Find It In connection with the proposed transaction between Exxon Mobil Corporation (“ExxonMobil”) and Pioneer Natural Resources Company (“Pioneer”), ExxonMobil and Pioneer

EX-99.2 Exhibit 99.2 + 2023 Investor Update Merger of ExxonMobil and Pioneer enables a unique value creation opportunity 10.11.2023 Cautionary statement Important Information about the Transaction and Where to Find It In connection with the proposed transaction between Exxon Mobil Corporation (“ExxonMobil”) and Pioneer Natural Resources Company (“Pioneer”), ExxonMobil and Pioneer will file relevan

October 11, 2023 EX-2.1

Agreement and Plan of Merger, dated as of October 10, 2023 among Exxon Mobil Corporation, SPQR, LLC and Pioneer Natural Resources Company.

Exhibit 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 TABLE OF CONTENTS Page Article 1 Definitions Section 1.01. Definitions 1 Section 1.02. Other Definitional and Interpretative Provisions 17 Article 2 The Merger Section 2.01. The Merger 18 Section 2.02. Conversion of Shares 19 Section 2.03. Sur

October 11, 2023 425

2

Filed by Exxon Mobil Corporation (Commission File No.: 001-02256) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following communication was posted on Facebook, by Exxon Mobil Corporation on October 11, 2023: Important Informati

October 11, 2023 EX-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

EX-2.1 Exhibit 2.1 Execution Version AGREEMENT AND PLAN OF MERGER dated as of October 10, 2023 by and among PIONEER NATURAL RESOURCES COMPANY, EXXON MOBIL CORPORATION, and SPQR, LLC TABLE OF CONTENTS PAGE ARTICLE 1 DEFINITIONS Section 1.01. Definitions 1 Section 1.02. Other Definitional and Interpretative Provisions 17 ARTICLE 2 THE MERGER Section 2.01. The Merger 18 Section 2.02. Conversion of Sh

October 11, 2023 EX-99.3

To: All Employees

EX-99.3 Exhibit 99.3 To: All Employees From: Scott Sheffield, Chief Executive Officer Subject: Important Company Update Recently, our board of directors received an actionable offer from ExxonMobil. After a careful review of the offer and extensive discussions with ExxonMobil, we have concluded that this combination is in the best interest of our shareholders. As a result, we are announcing today

October 11, 2023 EX-99.5

Event Details

EX-99.5 Exhibit 99.5 Exxon Mobil Corporation and Pioneer Natural Resources Co. Merger Call (Raw version) Event Details Date: 2023-10-11 Company: Exxon Mobil Corp. Ticker: XOM-US Company Participants Jennifer Kay Driscoll - Exxon Mobil Corp., Vice President-Investor Relations Darren W. Woods - Exxon Mobil Corp., Chairman & Chief Executive Officer Kathryn A. Mikells - Exxon Mobil Corp., Chief Financ

October 11, 2023 EX-99.2

Cautionary statement Important Information about the Transaction and Where to Find It In connection with the proposed transaction between Exxon Mobil Corporation (“ExxonMobil”) and Pioneer Natural Resources Company (“Pioneer”), ExxonMobil and Pioneer

EX-99.2 Exhibit 99.2 + 2023 Investor Update Merger of ExxonMobil and Pioneer enables a unique value creation opportunity 10.11.2023 Cautionary statement Important Information about the Transaction and Where to Find It In connection with the proposed transaction between Exxon Mobil Corporation (“ExxonMobil”) and Pioneer Natural Resources Company (“Pioneer”), ExxonMobil and Pioneer will file relevan

October 11, 2023 EX-99.1

ExxonMobil Announces Merger with Pioneer Natural Resources in an All-Stock Transaction

EX-99.1 Exhibit 99.1 News Release CONTACT: ExxonMobil Media Relations 737-272-1452 Pioneer Media Relations 917-439-0307 FOR IMMEDIATE RELEASE OCTOBER 11, 2023 ExxonMobil Announces Merger with Pioneer Natural Resources in an All-Stock Transaction • Transforms ExxonMobil’s upstream portfolio, more than doubling the company’s Permian footprint and creating an industry-leading, high-quality, high-retu

October 11, 2023 425

2

Filed by Exxon Mobil Corporation (Commission File No.: 001-02256) Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Pioneer Natural Resources Company (Commission File No.: 001-13245) The following communication was posted on Instagram, by Exxon Mobil Corporation on October 11, 2023: Important Informat

September 6, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 6, 2023 PIONEER NATURAL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 6, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (

August 4, 2023 EX-25.1

Statement of Eligibility on Form T-1 under the Trust Indenture Act of 1939 as amended, of Computershare Trust Company, N.A., as trustee under the indenture filed as Exhibit 4.3 above.

EX-25.1 Exhibit 25.1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ☐ CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) COMPUTERSHARE TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of trustee as specified in its ch

August 4, 2023 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-3ASR (Form Type) PIONEER NATURAL RESOURCES COMPANY.

August 4, 2023 S-3ASR

As filed with the Securities and Exchange Commission on August 4, 2023.

Table of Contents As filed with the Securities and Exchange Commission on August 4, 2023.

August 1, 2023 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 June 30, 2023 or

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 June 30, 2023 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 RESOURC

August 1, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 1, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Com

August 1, 2023 EX-99.1

Pioneer Natural Resources Reports Second Quarter 2023 Financial and Operating Results

News Release Pioneer Natural Resources Reports Second Quarter 2023 Financial and Operating Results Dallas, Texas, August 1, 2023 - Pioneer Natural Resources Company (NYSE:PXD) ("Pioneer" or "the Company") today reported financial and operating results for the quarter ended June 30, 2023.

July 20, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 20, 2023 PIONEER NATURAL RES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 20, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Comm

June 20, 2023 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K ☒ ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTION 15(

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K ☒ ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 333-39249 A. Full title of the plan and the add

June 20, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 20, 2023 PIONEER NATURAL RES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 20, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Comm

May 31, 2023 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 26, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Commi

May 31, 2023 EX-10.1

Second Amendment, dated as of May 26, 2023, to the Credit Agreement, dated as of October 24, 2018, by and among the Company, as the Borrower, Wells Fargo Bank, National Association, as Administrative Agent, Wells Fargo Bank, National Association, Bank of America, N.A. and JPMorgan Chase Bank, N.A., as Syndication Agents, and certain other agents and lenders (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 May 31, 2023)

EX-10.1 Exhibit 10.1 EXECUTION VERSION SECOND AMENDMENT TO CREDIT AGREEMENT This Second Amendment to Credit Agreement (this “Second Amendment”) dated as of May 26, 2023 (the “Second Amendment Effective Date”), is among Pioneer Natural Resources Company, a Delaware corporation, as the Borrower (the “Borrower”), Wells Fargo Bank, National Association, as Administrative Agent (the “Administrative Age

May 30, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 24, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Commi

April 27, 2023 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, 2023 o

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, 2023 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 RESOUR

April 27, 2023 EX-10.1

Form of Amended and Restated Change in Control Agreement, dated February 8, 2023, between the Company and each of Scott D. Sheffield, Richard P. Dealy, Neal H. Shah, Mark S. Berg,

EXHIBIT 10.1H PIONEER NATURAL RESOURCES COMPANY AMENDED AND RESTATED CHANGE IN CONTROL AGREEMENT This Amended and Restated Change in Control Agreement (“Agreement”) is entered into, as of February 8, 2023, among Pioneer Natural Resources Company, a Delaware corporation (“Parent”), Pioneer Natural Resources USA, Inc., a Delaware corporation that is a wholly-owned subsidiary of Parent (“Employer”),

April 26, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 21, 2023 PIONEER NATURAL RE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 21, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Com

April 26, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ý Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Defin

April 26, 2023 EX-99.1

Pioneer Natural Resources Reports First Quarter 2023 Financial and Operating Results

News Release Pioneer Natural Resources Reports First Quarter 2023 Financial and Operating Results Dallas, Texas, April 26, 2023 - Pioneer Natural Resources Company (NYSE:PXD) ("Pioneer" or "the Company") today reported financial and operating results for the quarter ended March 31, 2023.

April 18, 2023 8-K

Regulation FD Disclosure, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 18, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Com

April 13, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

DEFA14A 1 pxd-2023proxynotice.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ý Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only

April 13, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ý Filed by a Party other than the Registran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ý Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ý Defin

March 29, 2023 EX-1.1

Underwriting Agreement, dated March 27, 2023, by and among Pioneer Natural Resources Company and BofA Securities, Inc., TD Securities (USA) LLC and Wells Fargo Securities, LLC, as representatives of the several underwriters party thereto.

Exhibit 1.1 Execution Version Pioneer Natural Resources Company $1,100,000,000 5.100% Senior Notes due 2026 Debt Securities Underwriting Agreement March 27, 2023 BofA Securities, Inc. TD Securities (USA) LLC Wells Fargo Securities, LLC As Representatives of the several Underwriters c/o Wells Fargo Securities, LLC 550 South Tryon Street, 5th Floor Charlotte, NC 28202 Ladies and Gentlemen: Pioneer N

March 29, 2023 EX-4.1

Sixth Supplemental Indenture, dated March 29, 2023, by and among Pioneer and Computershare Trust Company, N.A. (as successor to Wells Fargo Bank, National Association), as trustee, with respect to the indenture identified above as Exhibit 4.3 (incorporated by reference to Exhibit 4.1 to Pioneer’s Current Report on Form 8-K File No. 1-13245, filed with the SEC on March 29, 2023).

EX-4.1 Exhibit 4.1 Execution Version SIXTH SUPPLEMENTAL INDENTURE by and among PIONEER NATURAL RESOURCES COMPANY and COMPUTERSHARE TRUST COMPANY, N.A. as Trustee Dated as of March 29, 2023 Supplement to Indenture for Debt Securities Dated as of June 26, 2012 5.100% Senior Notes due 2026 TABLE OF CONTENTS Page Section 1. Notes 2 Section 2. Optional Redemption of Notes 3 Section 3. Offer to Repurcha

March 29, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 29, 2023 PIONEER NATURAL RE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 29, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Com

March 28, 2023 EX-FILING FEES

Calculation of Filing Fee Tables (Form Type) Pioneer Natural Resources Company (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Tables 424B5 (Form Type) Pioneer Natural Resources Company (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price (1) Fee Rate Amount of Registration Fee (2) Carry Forward Form Type Carry Forward File Number Carry Forward Initial effective date Filing Fee Previously Paid In Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to Be Paid Debt 5.

March 28, 2023 424B5

Pioneer Natural Resources Company $1,100,000,000 5.100% Senior Notes due 2026

424B5 Table of Contents Pursuant to rule 424(b)(5) Registration No. 333-241031 PROSPECTUS SUPPLEMENT (To Prospectus Dated August 5, 2020) Pioneer Natural Resources Company $1,100,000,000 5.100% Senior Notes due 2026 We will pay interest on the 5.100% Senior Notes due 2026 (the “notes”) each March 29 and September 29. The first interest payment will be made on September 29, 2023. The notes will mat

March 27, 2023 424B5

Subject to Completion Preliminary Prospectus Supplement dated March 27, 2023

424B5 1 d425961d424b5.htm 424B5 Table of Contents Pursuant to rule 424(b)(5) Registration No. 333-241031 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are part of an effective registration statement filed with the Securities and Exchange Commission. This preliminary prospectus sup

March 27, 2023 FWP

Pioneer Natural Resources Company Pricing Term Sheet Issuer: Pioneer Natural Resources Company Security Type: Senior Unsecured Offering Format: SEC Registered Expected Ratings*: Baa1/BBB/BBB+ (Stable/Stable/Stable) Trade Date: March 27, 2023 Settleme

FWP Filed Pursuant to Rule 433 Registration No. 333-241031 March 27, 2023 Pioneer Natural Resources Company Pricing Term Sheet Issuer: Pioneer Natural Resources Company Security Type: Senior Unsecured Offering Format: SEC Registered Expected Ratings*: Baa1/BBB/BBB+ (Stable/Stable/Stable) Trade Date: March 27, 2023 Settlement Date: March 29, 2023 (T+2) Title of Securities: 5.100% Senior Notes due 2

March 2, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 24, 2023 PIONEER NATURAL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 24, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (

February 23, 2023 EX-10.39

Amendment No, 10 to the Company's Amended and Restated Executive Deferred Compensation Plan, executed November 15, 2022

Exhibit 10.39 H AMENDMENT NO. 10 TO THE PIONEER NATURAL RESOURCES COMPANY EXECUTIVE DEFERRED COMPENSATION PLAN (Amended and Restated Effective January 1, 2009) WHEREAS, pursuant to the provisions of Section 11.4 thereof, the Pioneer Natural Resources Company Executive Deferred Compensation Plan (Amended and Restated Effective January 1, 2009, and as further amended to date) (the “Plan”) may be ame

February 23, 2023 EX-10.24

Form of Performance Unit Award Agreement between the Company and Scott D. Sheffield, with respect to awards made under the Company's 2006 Long-Term Incentive Plan, commencing in 2023, together with a schedule identifying other substantially identical agreements between the Company and each of its other executive officers and identifying the material differences between each of those agreements and the filed Performance Unit Agreement.

EXHIBIT 10.24H PERFORMANCE UNIT AWARD AGREEMENT PIONEER NATURAL RESOURCES COMPANY AMENDED AND RESTATED 2006 LONG TERM INCENTIVE PLAN [DATE] To: Pioneer Natural Resources Company, a Delaware corporation (the “Company”), is pleased to grant you an award (this “Award”) to receive an aggregate of performance units (each, a “Performance Unit”) in respect of the period January 1, [] through December 31,

February 23, 2023 EX-21.1

Subsidiaries of the registrant.

EXHIBIT 21.1 SUBSIDIARIES OF THE COMPANY Subsidiaries State or Jurisdiction of Organization Pioneer Natural Resources USA, Inc. Delaware DMLP CO. Delaware Mesa Environmental Ventures Co. Delaware Petroleum South Cape (Pty) Ltd. South Africa Pioneer Giddings Wind Energy LLC Delaware Pioneer Natural Gas Company Texas Pioneer Natural Resources Foundation Texas Pioneer Natural Resources Pumping Servic

February 23, 2023 EX-10.23

Form of Restricted Stock Unit 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 2023.

EXHIBIT 10.23H RESTRICTED STOCK UNIT AWARD AGREEMENT PIONEER NATURAL RESOURCES COMPANY AMENDED AND RESTATED 2006 LONG TERM INCENTIVE PLAN [DATE] To: Pioneer Natural Resources Company, a Delaware corporation (the “Company”), is pleased to grant you an award (this “Award”) to receive Restricted Stock Units (the “Restricted Stock Units”) whereby each Restricted Stock Unit represents the right to rece

February 23, 2023 10-K

Form 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 1-13245 PIONEER NATURAL RESOURCES C

February 23, 2023 EX-10.26

Amended and Restated Pioneer Natural Resources Company Employee Stock Purchase Plan dated effective December 1, 2022

Exhibit 10.26H PIONEER NATURAL RESOURCES COMPANY EMPLOYEE STOCK PURCHASE PLAN (Amended and Restated Effective as of December 1, 2022) PIONEER NATURAL RESOURCES COMPANY EMPLOYEE STOCK PURCHASE PLAN (Amended and Restated Effective as of December 1, 2022) This Amended and Restated PIONEER NATURAL RESOURCES COMPANY EMPLOYEE STOCK PURCHASE PLAN (this “Plan”) is made and executed by Pioneer Natural Reso

February 23, 2023 EX-99.1

Report of Netherland, Sewell & Associates, Inc.

EXHIBIT 99.1 February 8, 2023 Mr. Ken Rockwood Pioneer Natural Resources Company 777 Hidden Ridge Drive Irving, Texas 75038 Dear Mr. Rockwood: In accordance with your request, we have audited the estimates prepared by Pioneer Natural Resources Company (Pioneer), as of December 31, 2022, of the proved reserves and future revenue to the Pioneer interest in certain oil and gas properties located in t

February 23, 2023 EX-10.70

, dated February 8, 2023 between the Company and each of Scott D. Sheffield, Richard P. Dealy, Neal H. Shah, Mark S. Berg,

EXHIBIT 10.70H PIONEER NATURAL RESOURCES COMPANY AMENDED AND RESTATED CHANGE IN CONTROL AGREEMENT This Amended and Restated Change in Control Agreement (“Agreement”) is entered into, as of February 8, 2023, among Pioneer Natural Resources Company, a Delaware corporation (“Parent”), Pioneer Natural Resources USA, Inc., a Delaware corporation that is a wholly-owned subsidiary of Parent (“Employer”),

February 22, 2023 EX-99.1

Pioneer Natural Resources Reports Fourth Quarter and Full Year 2022 Financial and Operating Results

EXHIBIT 99.1 News Release Pioneer Natural Resources Reports Fourth Quarter and Full Year 2022 Financial and Operating Results Dallas, Texas, February 22, 2023 - Pioneer Natural Resources Company (NYSE:PXD) ("Pioneer" or "the Company") today reported financial and operating results for the quarter and year ended December 31, 2022. Pioneer reported fourth quarter net income attributable to common st

February 22, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 22, 2023 PIONEER NATURAL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 22, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (

February 13, 2023 SC 13G/A

PXD / Pioneer Natural Resources Co / Capital World Investors - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Pioneer Natural Resources Co. (Name of Issuer) Common Stock (Title of Class of Securities) 723787107 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropri

February 13, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 8, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (C

February 13, 2023 EX-3.1

8-K , File No. 1-13245, filed with the SEC on February 13, 2023).

Exhibit 3.1 SEVENTH AMENDED AND RESTATED BYLAWS OF PIONEER NATURAL RESOURCES COMPANY A Delaware Corporation PREAMBLE These bylaws are subject to, and governed by, the General Corporation Law of the State of Delaware (the “Delaware General Corporation Law”) and the certificate of incorporation of Pioneer Natural Resources Company, a Delaware corporation (the “Company”). In the event of a direct con

February 9, 2023 SC 13G/A

PXD / Pioneer Natural Resources Co / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01677-pioneernaturalresour.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 14)* Name of issuer: Pioneer Natural Resources Co. Title of Class of Securities: Common Stock CUSIP Number: 723787107 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate

February 6, 2023 SC 13G/A

PXD / Pioneer Natural Resources Co / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Pioneer Natural Resources Company (Name of Issuer) Common Stock (Title of Class of Securities) 723787107 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to

January 26, 2023 8-K

Regulation FD Disclosure, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 26, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (C

January 5, 2023 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 5, 2023 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Co

October 28, 2022 EX-10.1

Ninth Amendment to Pioneer Natural Resources USA, Inc. 401(k) and Matching Plan (Amended and Restated Effective as of January 1, 2020), dated August 10, 2022 (incorporated by reference to Exhibit 10.1 to the Company's Quarterly Report on Form 10-Q for the quarter ended September 30, 2022, File No. 1-13245).

EXHIBIT 10.1 NINTH AMENDMENT TO THE PIONEER NATURAL RESOURCES USA, INC. 401(k) AND MATCHING PLAN (Amended and Restated Effective as of January 1, 2020) THIS NINTH AMENDMENT is made and entered into by Pioneer Natural Resources USA, Inc. (the “Company”): WITNESSETH: WHEREAS, the Company maintains the Pioneer Natural Resources USA, Inc. 401(k) and Matching Plan (the “Plan”); WHEREAS, pursuant to Sec

October 28, 2022 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 September 30, 20

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 September 30, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 1-13245 PIONEER NATURAL RE

October 27, 2022 EX-99.1

Pioneer Natural Resources Reports Third Quarter 2022 Financial and Operating Results

News Release Pioneer Natural Resources Reports Third Quarter 2022 Financial and Operating Results Dallas, Texas, October 27, 2022 - Pioneer Natural Resources Company (NYSE:PXD) ("Pioneer" or "the Company") today reported financial and operating results for the quarter ended September 30, 2022.

October 27, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 27, 2022 PIONEER NATURAL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 27, 2022 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (C

October 21, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 18, 2022 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (C

October 19, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 19, 2022 PIONEER NATURAL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 19, 2022 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (C

September 30, 2022 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 30, 2022 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation)

September 7, 2022 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 7, 2022 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (

August 2, 2022 EX-99.1

Pioneer Natural Resources Reports Second Quarter 2022 Financial and Operating Results

News Release Pioneer Natural Resources Reports Second Quarter 2022 Financial and Operating Results Dallas, Texas, August 2, 2022 - Pioneer Natural Resources Company (NYSE:PXD) ("Pioneer" or "the Company") today reported financial and operating results for the quarter ended June 30, 2022.

August 2, 2022 EX-10.1

Indemnification Agreement, dated as of July 14, 2022, between the Company and Christopher L. Washburn (incorporated by reference to Exhibit 10.1 to the Company's Quarterly Report on Form 10-Q for the quarter ended June 30, 2022, File No. 1-13245)

EXHIBIT 10.1 PIONEER NATURAL RESOURCES COMPANY INDEMNIFICATION AGREEMENT This Agreement (“Agreement”) is made and entered into as of the 14 day of July, 2022, by and between Pioneer Natural Resources Company, a Delaware corporation (the “Company”), and Christopher L. Washburn (“Indemnitee”). RECITALS A. Highly competent and experienced persons are reluctant to serve corporations as directors, exec

August 2, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 2, 2022 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Com

August 2, 2022 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 June 30, 2022 or

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 June 30, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 1-13245 PIONEER NATURAL RESOURC

August 2, 2022 EX-10.2

Indemnification Agreement, dated as of July 18, 2022, between the Company and Jacinto J. Hernandez (incorporated by reference to Exhibit 10.2 to the Company's Quarterly Report on Form 10-Q for the quarter ended June 30, 2022, File No. 1-13245).

EXHIBIT 10.2 PIONEER NATURAL RESOURCES COMPANY INDEMNIFICATION AGREEMENT This Agreement (“Agreement”) is made and entered into as of the 18th day of July, 2022, by and between Pioneer Natural Resources Company, a Delaware corporation (the “Company”), and Jacinto J. Hernandez (“Indemnitee”). RECITALS A. Highly competent and experienced persons are reluctant to serve corporations as directors, execu

July 21, 2022 8-K

Regulation FD Disclosure, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 21, 2022 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Comm

July 20, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 18, 2022 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Comm

July 20, 2022 EX-99.1

Pioneer Natural Resources Announces the Addition of Jacinto Hernandez to the Company’s Board of Directors

EXHIBIT 99.1 News Release Pioneer Natural Resources Announces the Addition of Jacinto Hernandez to the Company?s Board of Directors DALLAS, Texas, July 20, 2022 ? Pioneer Natural Resources Company (NYSE: PXD) (?Pioneer? or ?the Company?) today announced the addition of Jacinto Hernandez to the Company?s Board of Directors. Mr. Hernandez brings over twenty-two years of experience at Capital Group,

July 14, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 8, 2022 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Commi

June 28, 2022 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K ☒ ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 ☐ TRANSITION REPORT PURSUANT TO SECTION 15(

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K ? ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 333-39249 A. Full title of the plan and the add

June 21, 2022 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 21, 2022 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Comm

June 1, 2022 8-K

Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 25, 2022 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Commi

May 10, 2022 PX14A6G

Notice Of Exempt Solicitation: (VOLUNTARY SUBMISSION)

Notice Of Exempt Solicitation: (VOLUNTARY SUBMISSION) NAME OF REGISTRANT: Pioneer Natural Resources Company NAME OF PERSON RELYING ON EXEMPTION: Majority Action ADDRESS OF PERSON RELYING ON EXEMPTION: PO Box 4831, Silver Spring, MD 20914 Written materials are submitted pursuant to Rule 14a-6(g)(1) promulgated under the Securities Exchange Act of 1934.

May 5, 2022 EX-10.1

Eighth Amendment to Pioneer Natural Resources USA, Inc. 401 (k) and Matching Plan.

EXHIBIT 10.1 EIGHTH AMENDMENT TO THE PIONEER NATURAL RESOURCES USA, INC. 401(k) AND MATCHING PLAN (Amended and Restated Effective as of January 1, 2020) THIS EIGHTH AMENDMENT is made and entered into by Pioneer Natural Resources USA, Inc. (the “Company”): WITNESSETH: WHEREAS, the Company maintains the Pioneer Natural Resources USA, Inc. 401(k) and Matching Plan (the “Plan”); WHEREAS, pursuant to S

May 5, 2022 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, 2022 o

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, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 1-13245 PIONEER NATURAL RESOUR

May 4, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2022 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Commis

May 4, 2022 EX-99.1

Pioneer Natural Resources Reports First Quarter 2022 Financial and Operating Results

News Release Pioneer Natural Resources Reports First Quarter 2022 Financial and Operating Results Dallas, Texas, May 4, 2022 - Pioneer Natural Resources Company (NYSE:PXD) ("Pioneer" or "the Company") today reported financial and operating results for the quarter ended March 31, 2022.

April 28, 2022 8-K

Regulation FD Disclosure, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 27, 2022 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Com

April 14, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defin

April 14, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ý Filed by a Party other than the Registran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defin

March 21, 2022 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 21, 2022 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Com

March 9, 2022 SC 13G/A

PXD / Pioneer Natural Resources Co / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 13)* Name of issuer: Pioneer Natural Resources Co. Title of Class of Securities: Common Stock CUSIP Number: 723787107 Date of Event Which Requires Filing of this Statement: February 28, 2022 Check the appropriate box to designate the rule pursuant to which this Schedule

March 1, 2022 EX-99.1

Joint Filing Agreement

Exhibit 99.1 Joint Filing Agreement In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, each of the entities named below (i) agree to the joint filing on behalf of each of them of a statement on Schedule 13G (including amendments thereto, the ?Schedule 13G?) with respect to the common stock, $0.01 par value per share, of Laredo Petroleum, Inc., (ii) agree that e

March 1, 2022 SC 13G/A

LPI / Laredo Petroleum Inc / PIONEER NATURAL RESOURCES CO - SC 13G/A Passive Investment

SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.

February 22, 2022 EX-10.22

Form of Performance Unit Award Agreement between the Company and Scott D. Sheffield, with respect to awards made under the Company's 2006 Long-Term Incentive Plan, commencing in 2022, together with a schedule identifying other substantially identical agreements between the Company and each of its other executive officers and identifying the material differences between each of those agreements and the filed Performance Unit Award Agreement (incorporated by reference to Exhibit 10.22 to the Company's Annual Report on Form 10-K for the year ended December 31, 2021, File No. 1-13245).

Exhibit 10.22 PERFORMANCE UNIT AWARD AGREEMENT PIONEER NATURAL RESOURCES COMPANY AMENDED AND RESTATED 2006 LONG TERM INCENTIVE PLAN [Date] To: Scott D. Sheffield Pioneer Natural Resources Company, a Delaware corporation (the "Company"), is pleased to grant you an award (this "Award") to receive an aggregate of performance units (each, a ?Performance Unit?) in respect of the period January 1, throu

February 22, 2022 EX-99.1

Report of Netherland, Sewell & Associates, Inc.

EXHIBIT 99.1 January 27, 2022 Mr. Ken Rockwood Pioneer Natural Resources Company 777 Hidden Ridge Irving, Texas 75038 Dear Mr. Rockwood: In accordance with your request, we have audited the estimates prepared by Pioneer Natural Resources Company (Pioneer), as of December 31, 2021, of the proved reserves and future revenue to the Pioneer interest in certain oil and gas properties located in the Per

February 22, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 or ☐ TRANSITION REPORT PURSUANT TO SE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 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 C

February 22, 2022 EX-21.1

Subsidiaries of the registrant.

EXHIBIT 21.1 SUBSIDIARIES OF THE COMPANY Subsidiaries State or Jurisdiction of Organization Pioneer Natural Resources USA, Inc. Delaware DMLP CO. Delaware Mesa Environmental Ventures Co. Delaware Petroleum South Cape (Pty) Ltd. South Africa Pioneer Giddings Wind Energy LLC Delaware Pioneer Natural Gas Company Texas Pioneer Natural Resources Foundation Texas Pioneer Natural Resources Pumping Servic

February 22, 2022 EX-10.43

Seventh Amendment to Pioneer Natural Resources USA, Inc. 401(k) and Matching Plan (Amended and Restated Effective as of January 1, 2020), dated December 2,

Exhibit 10.43 H SEVENTH AMENDMENT TO THE PIONEER NATURAL RESOURCES USA, INC. 401(k) AND MATCHING PLAN (Amended and Restated Effective as of January 1, 2020) THIS SEVENTH AMENDMENT is made and entered into by Pioneer Natural Resources USA, Inc. (the ?Company?): WITNESSETH: WHEREAS, the Company maintains the Pioneer Natural Resources USA, Inc. 401(k) and Matching Plan (the ?Plan?); WHEREAS, pursuant

February 16, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 16, 2022 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (

February 16, 2022 EX-99.1

Pioneer Natural Resources Reports Fourth Quarter and Full Year 2021 Financial and Operating Results; Provides 2022 Outlook

News Release Pioneer Natural Resources Reports Fourth Quarter and Full Year 2021 Financial and Operating Results; Provides 2022 Outlook Dallas, Texas, February 16, 2022 - Pioneer Natural Resources Company (NYSE:PXD) ("Pioneer" or "the Company") today reported financial and operating results for the quarter and year ended December 31, 2021.

February 11, 2022 SC 13G

PXD / Pioneer Natural Resources Co / Capital World Investors - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Pioneer Natural Resources Co. (Name of Issuer) Common Stock (Title of Class of Securities) 723787107 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which

February 11, 2022 SC 13G/A

PXD / Pioneer Natural Resources Co / Apollo Management Holdings GP, LLC - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Amendment No. 1)* Under the Securities Exchange Act of 1934 Pioneer Natural Resources Company (Name of Issuer) Common Stock, $0.01 par value per share (Title of Class of Securities) 723787107 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desi

February 10, 2022 SC 13G/A

PXD / Pioneer Natural Resources Co / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 12)* Name of issuer: Pioneer Natural Resources Co. Title of Class of Securities: Common Stock CUSIP Number: 723787107 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule

February 7, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 2, 2022 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (C

February 4, 2022 SC 13G

PXD / Pioneer Natural Resources Co / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Pioneer Natural Resources Company (Name of Issuer) Common Stock (Title of Class of Securities) 723787107 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to w

January 27, 2022 8-K

Regulation FD Disclosure, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 26, 2022 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (C

January 5, 2022 8-K

Regulation FD Disclosure, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 5, 2022 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Co

December 21, 2021 EX-99.1

Pioneer Natural Resources Completes Divestiture of Delaware Basin Assets

Exhibit 99.1 News Release Pioneer Natural Resources Completes Divestiture of Delaware Basin Assets Dallas, Texas, December 21, 2021 ? Pioneer Natural Resources Company (NYSE:PXD) (?Pioneer? or the ?Company?) today announced that it has completed the previously announced divestiture of its Delaware Basin assets to Continental Resources (NYSE:CLR) for cash proceeds of $3.1 billion after normal closi

December 21, 2021 8-K

Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 21, 2021 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (

December 6, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 3, 2021 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (C

November 12, 2021 S-8

As filed with the Securities and Exchange Commission on November 10, 2021

As filed with the Securities and Exchange Commission on November 10, 2021 Registration No.

November 5, 2021 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 September 30, 20

Table of Contents 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 September 30, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 1-13245

November 5, 2021 EX-2.1

Purchase and Sale Agreement, dated as of November 1, 2021, by and among Parsley Energy, LLC, Parsley Energy, L.P., Parsley Minerals, LLC, Parsley Energy Operations, LLC, and Continental Resources, Inc.*

Exhibit 2.1 PURCHASE AND SALE AGREEMENT among Parsley Energy, LLC, Parsley Energy, L.P., Parsley Minerals, LLC, Parsley Energy Operations, LLC, collectively, as Seller and Continental Resources, Inc. as Buyer and Pioneer Natural Resources Company, solely for purposes of Section 15.23 dated November 1, 2021 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS AND INTERPRETATION 1 1.1 Defined Terms 1 1.2 Re

November 5, 2021 EX-10.1

dated as of September 21, 2021, between the Company and Maria S. Jelescu Dreyfus

EXHIBIT 10.1 PIONEER NATURAL RESOURCES COMPANY INDEMNIFICATION AGREEMENT This Agreement (?Agreement?) is made and entered into as of the 21st day of September, 2021, by and between Pioneer Natural Resources Company, a Delaware corporation (the ?Company?), and Maria S. Dreyfus (?Indemnitee?). RECITALS A.Highly competent and experienced persons are reluctant to serve corporations as directors, execu

November 5, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 1, 2021 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (C

November 3, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 3, 2021 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (C

November 3, 2021 EX-99.1

Pioneer Natural Resources Reports Third Quarter 2021 Financial and Operating Results

News Release Pioneer Natural Resources Reports Third Quarter 2021 Financial and Operating Results Dallas, Texas, November 3, 2021 - Pioneer Natural Resources Company (NYSE:PXD) ("Pioneer" or "the Company") today reported financial and operating results for the quarter ended September 30, 2021.

October 25, 2021 8-K

Regulation FD Disclosure, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 25, 2021 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (C

October 20, 2021 EX-99.1

Joint Filing Agreement

Exhibit 99.1 Joint Filing Agreement In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, each of the entities named below (i) agree to the joint filing on behalf of each of them of a statement on Schedule 13G (including amendments thereto, the ?Schedule 13G?) with respect to the common stock, $0.01 par value per share, of Laredo Petroleum, Inc., (ii) agree that e

October 20, 2021 SC 13G

LPI / Laredo Petroleum Inc / PIONEER NATURAL RESOURCES CO - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.

September 24, 2021 EX-99.1

Pioneer Natural Resources Announces the Addition of Maria S. Jelescu Dreyfus to the Company’s Board of Directors

EXHIBIT 99.1 NEWS RELEASE Pioneer Natural Resources Announces the Addition of Maria S. Jelescu Dreyfus to the Company?s Board of Directors DALLAS-(BUSINESS WIRE)-Sep. 22, 2021- Pioneer Natural Resources Company (NYSE: PXD) (?Pioneer? or the ?Company?) today announced the addition of Maria S. Jelescu Dreyfus to the Company?s Board of Directors. Ms. Dreyfus is currently the Chief Investment Officer

September 24, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 21, 2021 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation)

September 16, 2021 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 16, 2021 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation)

August 5, 2021 EX-10.1

Amendment to Pioneer Natural Resources USA, Inc. 401 (k) and Matching Plan

SIXTH AMENDMENT TO THE PIONEER NATURAL RESOURCES USA, INC. 401(k) AND MATCHING PLAN (Amended and Restated Effective as of January 1, 2020) EXHIBIT 10.1 THIS SIXTH AMENDMENT is made and entered into by Pioneer Natural Resources USA, Inc. (the ?Company?): WITNESSETH: WHEREAS, the Company maintains the Pioneer Natural Resources USA, Inc. 401(k) and Matching Plan (the ?Plan?); WHEREAS, pursuant to Sec

August 5, 2021 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 June 30, 2021 or

Table of Contents 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 June 30, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 1-13245 PIONE

August 5, 2021 EX-10.3

Indemnification Agreement, dated as of June 24, 2021, between the Company and Lori G. Billingsley.

PIONEER NATURAL RESOURCES COMPANY INDEMNIFICATION AGREEMENT EXHIBIT 10.3 This Agreement (?Agreement?) is made and entered into as of the 24th day of June, 2021, by and between Pioneer Natural Resources Company, a Delaware corporation (the ?Company?), and Lori G. Billingsley (?Indemnitee?). RECITALS A. Highly competent and experienced persons are reluctant to serve corporations as directors, execut

August 2, 2021 EX-99.1

Pioneer Natural Resources Reports Second Quarter 2021 Financial and Operating Results

News Release Pioneer Natural Resources Reports Second Quarter 2021 Financial and Operating Results Dallas, Texas, August 2, 2021 - Pioneer Natural Resources Company (NYSE:PXD) ("Pioneer" or "the Company") today reported financial and operating results for the quarter ended June 30, 2021.

August 2, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 2, 2021 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Com

July 27, 2021 8-K

Regulation FD Disclosure, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 26, 2021 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Comm

June 30, 2021 424B7

Pioneer Natural Resources Company Common Stock

Filed Pursuant to Rule 424(b)(7) Registration No. 333-256293 PROSPECTUS SUPPLEMENT NO. 1 (To Prospectus Dated May 19, 2021) Pioneer Natural Resources Company Common Stock This Prospectus Supplement No. 1 supplements and amends the prospectus dated May 19, 2021 included in a registration statement (the ?Prospectus?) relating to the offer and sale by the selling stockholders identified in the Prospe

June 29, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 24, 2021 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Comm

June 29, 2021 EX-99.1

Pioneer Natural Resources Announces the Addition of Lori George Billingsley to the Company’s Board of Directors

EXHIBIT 99.1 NEWS RELEASE Pioneer Natural Resources Announces the Addition of Lori George Billingsley to the Company?s Board of Directors DALLAS ? June 24, 2021 ? Pioneer Natural Resources Company (NYSE:PXD) today announced the addition of Lori George Billingsley to the company?s board of directors effective immediately. Ms. George Billingsley is the Global Chief Diversity, Equity and Inclusion (D

June 17, 2021 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K ☒ ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 ☐ TRANSITION REPORT PURSUANT TO SECTION 15(

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K ? ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ? TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 333-39249 A. Full title of the plan and the add

June 1, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 27, 2021 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Commi

June 1, 2021 EX-10.1

Amended and Restated Pioneer Natural Resources Company Employee Stock Purchase Plan dated effective September 1, 2021

EXHIBIT 10.1 PIONEER NATURAL RESOURCES COMPANY EMPLOYEE STOCK PURCHASE PLAN (Amended and Restated Effective as of September 1, 2021) PIONEER NATURAL RESOURCES COMPANY EMPLOYEE STOCK PURCHASE PLAN (Amended and Restated Effective as of September 1, 2021) This Amended and Restated PIONEER NATURAL RESOURCES COMPANY EMPLOYEE STOCK PURCHASE PLAN (this ?Plan?) is made and executed by Pioneer Natural Reso

May 19, 2021 S-3ASR

As filed with the Securities and Exchange Commission on May 19, 2021.

Table of Contents As filed with the Securities and Exchange Commission on May 19, 2021.

May 18, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 18, 2021 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Commi

May 18, 2021 EX-4.1

Fifth Supplemental Indenture, dated May 18, 2021, by and between Pioneer Natural Resources Company and Wells Fargo Bank, National Association.

Exhibit 4.1 Execution Version FIFTH SUPPLEMENTAL INDENTURE by and among PIONEER NATURAL RESOURCES COMPANY and WELLS FARGO BANK, NATIONAL ASSOCIATION as Trustee Dated as of May 18, 2021 Supplement to Indenture for Debt Securities Dated as of June 26, 2012 0.550% Senior Notes due 2023 TABLE OF CONTENTS Page Section 1. Notes 2 Section 2. Optional Redemption of Notes 3 Section 3. Offer to Repurchase U

May 18, 2021 EX-1.1

Underwriting Agreement, dated May 10, 2021, by and among Pioneer Natural Resources Company and Goldman Sachs & Co. LLC, Morgan Stanley & Co. LLC, TD Securities (USA) LLC and Wells Fargo Securities, LLC, as representatives of the several underwriters party thereto.

Exhibit 1.1 Execution Version Pioneer Natural Resources Company $750,000,000 0.550% Senior Notes due 2023 Debt Securities Underwriting Agreement May 10, 2021 Goldman Sachs & Co. LLC Morgan Stanley & Co. LLC TD Securities (USA) LLC Wells Fargo Securities, LLC As Representatives of the several Underwriters c/o Goldman Sachs & Co. LLC 200 West Street New York, New York 10282 Ladies and Gentlemen: Pio

May 12, 2021 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Amendment No. )* Under the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Amendment No. )* Under the Securities Exchange Act of 1934 Pioneer Natural Resources Company (Name of Issuer) Common Stock, $0.01 par value per share (Title of Class of Securities) 723787107 (CUSIP Number) May 4, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate t

May 12, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 10, 2021 PIONEER NATURAL RESOURCES COMPANY (Exact name of registrant as specified in its charter) Delaware 1-13245 75-2702753 (State or other jurisdiction of incorporation) (Commi

May 12, 2021 EX-1.1

Underwriting Agreement, dated May 10, 2021, by and among Pioneer Natural Resources Company, certain stockholders of Pioneer Natural Resources Company, and Goldman Sachs & Co. LLC, and J.P. Morgan Securities LLC, as underwriters.

Exhibit 1.1 Execution Version 6,000,000 Shares Pioneer Natural Resources Company Common Stock ($.01 Par Value) Underwriting Agreement May 10, 2021 Goldman Sachs & Co. LLC J.P. Morgan Securities LLC c/o Goldman Sachs & Co. LLC 200 West Street New York, New York 10282 Ladies and Gentlemen: Certain stockholders named in Schedule II hereto (collectively, the ?Selling Stockholders?) of Pioneer Natural

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