MNTK / Montauk Renewables, Inc. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Montauk Renewables, Inc.
US ˙ NasdaqCM ˙ US61218C1036

Mga Batayang Estadistika
CIK 1826600
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 Montauk Renewables, Inc.
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
August 7, 2025 EX-99.1

2025 Six months Ended 30 June

EX-99.1 Exhibit 99.1 MONTAUK RENEWABLES, INC. Incorporated in the United States of America Company number: 85-3189583 NASDAQ share code: MNTK JSE share code: MKR ISIN: US61218C1036 (“Montauk Renewables” or the “Company”) UNAUDITED CONSOLIDATED RESULTS For the six months ended 30 June 2025 Dollar amounts presented herein are in United States Dollars SALIENT FEATURES 2025 Six months Ended 30 June 20

August 7, 2025 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): August 7, 2025 Montauk Renewables

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 7, 2025 Montauk Renewables, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission File

August 6, 2025 EX-99.1

MONTAUK RENEWABLES, INC.

Exhibit 99.1 Montauk Renewables Announces Second Quarter 2025 Results PITTSBURGH, PENNSYLVANIA – August 6, 2025—Montauk Renewables, Inc. (“Montauk” or “the Company”) (NASDAQ: MNTK), a renewable energy company specializing in the management, recovery, and conversion of biogas into renewable natural gas (“RNG”), today announced financial results for the second quarter ended June 30, 2025. Second Qua

August 6, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 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: 00

August 6, 2025 8-K

FORM 8-K Item 2.02 Results of Operations and Financial Condition. Item 9.01 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): August 06, 2025 Montauk Renewables, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-39919 85-3189583 (State or Other Jurisdiction of Incorporation) (Commissio

May 27, 2025 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): May 22, 2025 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission Fil

May 8, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 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: 0

May 8, 2025 EX-99.1

MONTAUK RENEWABLES, INC.

Exhibit 99.1 Montauk Renewables Announces First Quarter 2025 Results PITTSBURGH, PENNSYLVANIA – May 8, 2025—Montauk Renewables, Inc. (“Montauk” or “the Company”) (NASDAQ: MNTK), a renewable energy company specializing in the management, recovery, and conversion of biogas into renewable natural gas (“RNG”), today announced financial results for the first quarter ended March 31, 2025. First Quarter

May 8, 2025 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 08, 2025 Montauk Renewables, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-39919 85-3189583 (State or Other Jurisdiction of Incorporation) (Commission F

April 15, 2025 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 10, 2025 Montauk Renewables, Inc.

April 8, 2025 DEF 14A

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

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION 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 permitt

April 8, 2025 DEFA14A

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

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION 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

March 17, 2025 EX-99.1

MONTAUK RENEWABLES, INC.

Exhibit 99.1 MONTAUK RENEWABLES, INC. Incorporated in the United States of America Company number: 85-3189583 NASDAQ share code: MNTK JSE share code: MKR ISIN: US61218C1036 (“Montauk Renewables”) AUDITED CONSOLIDATED RESULTS For the year ended 31 December 2024 Dollar amounts presented herein are in United States Dollars SALIENT FEATURES 2024 2023 Percentage change Revenue ($‘000) 175 736 174 904 0

March 17, 2025 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 17, 2025 Montauk Renewables

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 17, 2025 Montauk Renewables, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission File

March 14, 2025 EX-19.1

Insider Trading Policy

Exhibit 19.1 INSIDER TRADING POLICY MONTAUK RENEWABLES, INC. LAST REVISION DATE SEPTEMBER 24, 2024 ISSUED BY CHIEF LEGAL OFFICER Overview As a U.S. publicly traded entity, Montauk Renewables, Inc. (“Montauk” or the “Company”) and its affiliates are subject to various insider trading laws and regulations. This policy defines requirements for compliance with those applicable requirements. Policy Hig

March 14, 2025 EX-24.1

Power of Attorney

Exhibit 24.1 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned officers and directors of Montauk Renewables, Inc., a Delaware corporation, hereby constitutes and appoints of Sean F. McClain, Kevin A. Van Asdalan and John Ciroli, and each of them, as his true and lawful attorney or attorneys-in-fact, with full power of substitution and revocation, for each of the unders

March 14, 2025 EX-21.1

List of Subsidiaries of Montauk Renewables, Inc.

Exhibit 21.1 Subsidiary of Montauk Renewables, Inc. State of Organization Apex LFG Energy, LLC Delaware Blue Granite LFG, LLC Delaware Bowerman Power LFG, LLC Delaware CommuniteFirst, LLC Delaware Galveston LFG, LLC Delaware GSF Energy, L.L.C. Delaware Johnstown LFG Holdings, Inc. f/k/a Leaf LFG Investments, Inc. Delaware Johnstown Regional Energy, LLC Pennsylvania Magnolia Ag, LLC Delaware MEDC,

March 14, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 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 No. 001-39919

March 13, 2025 EX-99.1

MONTAUK RENEWABLES, INC.

Exhibit 99.1 Montauk Renewables Announces Full Year 2024 Results PITTSBURGH, PENNSYLVANIA – March 13, 2025—Montauk Renewables, Inc. (“Montauk” or “the Company”) (NASDAQ: MNTK), a renewable energy company specializing in the management, recovery, and conversion of biogas into renewable natural gas (“RNG”), today announced financial results for the year ended December 31, 2024. Full Year Highlights:

March 13, 2025 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): March 13, 2025 Montauk Renewables, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-39919 85-3189583 (State or Other Jurisdiction of Incorporation) (Commission

March 7, 2025 EX-10.1

Fifth Amended and Restated Loan Agreement and Secured Promissory Note, dated as of March 5, 2025, by and between Montauk Renewables, Inc. and Montauk Holdings Proprietary Limited

Exhibit 10.1 FIFTH AMENDED AND RESTATED LOAN AGREEMENT AND SECURED PROMISSORY NOTE MONTAUK HOLDINGS PROPRIETARY LIMITED, a South African company (the “Borrower”), hereby promises to pay to MONTAUK RENEWABLES, INC., a Delaware corporation (the “Lender”), an amount equal to Ten Million Six Hundred and Ninety Thousand U.S. DOLLARS (U.S. $10,690,000.00), together with accrued interest thereon, on the

March 7, 2025 8-K

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

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 5, 2025 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission

February 14, 2025 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 14, 2025 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commissio

November 12, 2024 EX-99.1

MONTAUK RENEWABLES, INC.

Exhibit 99.1 Montauk Renewables Announces Third Quarter 2024 Results PITTSBURGH, PENNSYLVANIA – November 12, 2024—Montauk Renewables, Inc. (“Montauk” or “the Company”) (NASDAQ: MNTK), a renewable energy company specializing in the management, recovery, and conversion of biogas into renewable natural gas (“RNG”), today announced financial results for the third quarter ended September 30, 2024. Thir

November 12, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 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 Numbe

November 12, 2024 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 12, 2024 Montauk Renewables, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-39919 85-3189583 (State or Other Jurisdiction of Incorporation) (Commiss

November 12, 2024 EX-10.14

Fifth Amendment to Second Amended and Restated Revolving Credit and Term Loan Agreement, dated as of November 8, 2024 by and among Montauk Energy Holdings, LLC, the financial institutions from time to time signatory thereto and Comerica Bank, as Administrative Agent

Exhibit 10.14 FIFTH AMENDMENT TO SECOND AMENDED AND RESTATED REVOLVING CREDIT AND TERM LOAN AGREEMENT This Fifth Amendment to Second Amended and Restated Revolving Credit and Term Loan Agreement (“Fifth Amendment”) is made as of November 8, 2024, by and among Montauk Energy Holdings, LLC (“Borrower”), the Lenders (as defined below), and Comerica Bank, as administrative agent for the Lenders (in su

August 12, 2024 8-K

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 12, 2024 Montauk Renewables, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission File

August 12, 2024 EX-99.1

2024 Six months ended 30 June

Exhibit 99.1 MONTAUK RENEWABLES, INC. Incorporated in the United States of America Company number: 85-3189583 NASDAQ share code: MNTK JSE share code: MKR ISIN: US61218C1036 (“Montauk Renewables” or the “Company”) UNAUDITED CONSOLIDATED RESULTS For the six months ended 30 June 2024 Dollar amounts presented herein are in United States Dollars Six months ended 30 June Six months ended 30 June Percent

August 8, 2024 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 08, 2024 Montauk Renewables, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-39919 85-3189583 (State or Other Jurisdiction of Incorporation) (Commissio

August 8, 2024 EX-99.1

MONTAUK RENEWABLES, INC.

EX-99.1 2 mntk-ex991.htm EX-99.1 Exhibit 99.1 Montauk Renewables Announces Second Quarter 2024 Results PITTSBURGH, PENNSYLVANIA – August 8, 2024—Montauk Renewables, Inc. (“Montauk” or “the Company”) (NASDAQ: MNTK), a renewable energy company specializing in the management, recovery, and conversion of biogas into renewable natural gas (“RNG”), today announced financial results for the second quarte

August 8, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 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: 00

June 7, 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): June 5, 2024 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission Fil

May 9, 2024 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 09, 2024 Montauk Renewables, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-39919 85-3189583 (State or Other Jurisdiction of Incorporation) (Commission F

May 9, 2024 10-Q

` UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

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

May 9, 2024 EX-99.1

MONTAUK RENEWABLES, INC.

Montauk Renewables Announces First Quarter 2024 Results PITTSBURGH, PENNSYLVANIA – May 9, 2024—Montauk Renewables, Inc.

April 22, 2024 DEF 14A

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

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION 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 permitt

April 22, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION 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 INFORMATION 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

April 3, 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): April 2, 2024 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission Fi

March 15, 2024 EX-99.1

Percentage

Exhibit 99.1 MONTAUK RENEWABLES, INC. Incorporated in the United States of America Company number: 85-3189583 NASDAQ share code: MNTK JSE share code: MKR ISIN: US61218C1036 (“Montauk Renewables” or the “Company”) AUDITED CONSOLIDATED RESULTS FOR THE YEAR ENDED 31 December 2023 Dollar amounts presented herein are in United States Dollars SALIENT FEATURES 2023 2022 Percentage Change Revenue ($ ’000)

March 15, 2024 8-K

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): March 15, 2024 Montauk Renewables, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission File

March 14, 2024 EX-99.1

MONTAUK RENEWABLES, INC.

Exhibit 99.1 Montauk Renewables Announces Full Year 2023 Results PITTSBURGH, PENNSYLVANIA – March 14, 2024—Montauk Renewables, Inc. (“Montauk” or “the Company”) (NASDAQ: MNTK), a renewable energy company specializing in the management, recovery, and conversion of biogas into renewable natural gas (“RNG”), today announced financial results for the year ended December 31, 2023. Full Year Highlights:

March 14, 2024 EX-24.1

Power of Attorney

Exhibit 24.1 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned officers and directors of Montauk Renewables, Inc., a Delaware corporation, hereby constitutes and appoints of Sean F. McClain, Kevin A. Van Asdalan and John Ciroli, and each of them, as his true and lawful attorney or attorneys-in-fact, with full power of substitution and revocation, for each of the unders

March 14, 2024 EX-10.13

Employment Understanding, dated January 23, 2023, and Promotion Letter, dated September 14, 2023, between Montauk Renewables, Inc. and Michael Barsch

Exhibit 10.13 January 23, 2023 EMPLOYMENT UNDERSTANDING Dear Michael; On behalf of Montauk Renewables, Inc. and Montauk Energy Holdings, LLC, a Delaware Limited Liability Company (the “Company”), I am pleased to offer you the position of Director of Project Execution and Integration with the Company. Your employment by the Company shall be governed by the following terms and conditions (this “Unde

March 14, 2024 EX-10.12

Promotion Letter, dated October 15, 2021, between Montauk Renewables, Inc. and Sharon Frank

Exhibit 10.12 October 15, 2021 VIA EMAIL Sharon Frank Re: Promotion to VP Environmental Health and Safety Dear Sharon: Montauk Renewables, Inc. (Montauk) is pleased to offer you a promotion to VP Environmental Health and Safety of Montauk as of October 25, 2021. This will be an executive level position as an Officer of the company and require the attendant disclosures of a public company and requi

March 14, 2024 EX-21.1

List of Subsidiaries of Montauk Renewables, Inc.

Exhibit 21.1 Subsidiary of Montauk Renewables, Inc. State of Organization Apex LFG Energy, LLC Delaware Blue Granite LFG, LLC Delaware Bowerman Power LFG, LLC Delaware Communite Firs, LLC Delaware Galveston LFG, LLC Delaware GSF Energy, L.L.C. Delaware Johnstown LFG Holdings, Inc. f/k/a Leaf LFG Investments, Inc. Delaware Johnstown Regional Energy, LLC Pennsylvania Magnolia Ag, LLC Delaware MEDC,

March 14, 2024 EX-19.1

Insider Trading Policy

Exhibit 19.1 INSIDER TRADING POLICY MONTAUK RENEWABLES, INC. LAST REVISION DATE December 28, 2023 ISSUED BY CHIEF LEGAL OFFICER Overview: As a U.S. publicly traded entity, Montauk Renewables, Inc. (“Montauk” or the “Company”) and its affiliates are subject to various insider trading laws and regulations. This policy defines requirements for compliance with those applicable requirements. Policy Hig

March 14, 2024 EX-97.1

Clawback Policy

Exhibit 97.1 COMPENSATION RECOUPMENT POLICY MONTAUK RENEWABLES, INC. LAST REVISION DATE November 21, 2023 ISSUED BY CHIEF LEGAL OFFICER Table of Contents 1 Scope and Purpose 2 2 Policy Statement 2 3 Covered Officers 2 4 Policy Review 2 5 Covered Compensation 2 6 Recovered Period 3 7 Exceptions 3 8 Administration and Interpretation 4 9 Disclosure 4 1 Scope and Purpose As required pursuant to the li

March 14, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ 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 No. 001-39919

March 14, 2024 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): March 14, 2024 Montauk Renewables, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-39919 85-3189583 (State or Other Jurisdiction of Incorporation) (Commission

December 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): December 27, 2023 Montauk Renewab

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 27, 2023 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39919 85-3189583 (State or other jurisdiction of incorporation) (Commiss

December 29, 2023 EX-10.1

Fourth Amended and Restated Loan Agreement and Secured Promissory Note, dated as of December 27, 2023 by and between Montauk Holdings Limited and Montauk Renewables (incorporated by reference to Exhibit 10.1 of our Current Report on Form 8-K, filed on December 29, 2023)

EX-10.1 EXHIBIT 10.1 FOURTH AMENDED AND RESTATED LOAN AGREEMENT AND SECURED PROMISSORY NOTE MONTAUK HOLDINGS PROPRIETARY LIMITED, a South African company (the “Borrower”), hereby promises to pay to MONTAUK RENEWABLES, INC., a Delaware corporation (the “Lender”), an amount equal to Ten Million and Forty Thousand U.S. DOLLARS (U.S. $10,040,000.00), together with accrued interest thereon, on the term

November 9, 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 09, 2023 Montauk Renewables, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-39919 85-3189583 (State or Other Jurisdiction of Incorporation) (Commiss

November 9, 2023 10-Q

` UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

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

November 9, 2023 EX-99.1

MONTAUK RENEWABLES, INC.

Exhibit 99.1 Montauk Renewables Announces Third Quarter 2023 Results PITTSBURGH, PENNSYLVANIA – November 9, 2023—Montauk Renewables, Inc. (“Montauk” or “the Company”) (NASDAQ: MNTK), a renewable energy company specializing in the management, recovery, and conversion of biogas into renewable natural gas (“RNG”), today announced financial results for the third quarter ended September 30, 2023. Third

October 19, 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 18, 2023 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission

October 19, 2023 EX-3.1

Amended and Restated Bylaws of Montauk Renewables, Inc., as adopted on October 18, 2023 (incorporated by reference to Exhibit 3.1 of our Current Report on Form 8-K, filed October 19, 2023)

Exhibit 3.1 MONTAUK RENEWABLES, INC. AMENDED AND RESTATED BYLAWS As Adopted and Effective on October 18, 2023 TABLE OF CONTENTS Page STOCKHOLDERS MEETINGS 1 1. Time and Place of Meetings 1 2. Annual Meetings 1 3. Special Meetings 1 4. Notice of Meetings 1    5. Inspectors 2 6. Quorum 2 7. Voting; Proxies 2 8. Order of Business 3 9. Notice of Stockholder Proposals 3 10. Notice of Director Nominatio

September 19, 2023 8-K

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): September 13, 2023 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commissi

September 19, 2023 EX-3.1

Amended and Restated Bylaws, as adopted on September 13, 2023

Exhibit 3.1 MONTAUK RENEWABLES, INC. AMENDED AND RESTATED BYLAWS As Adopted and Effective on September 13, 2023 TABLE OF CONTENTS Page STOCKHOLDERS MEETINGS 1 1. Time and Place of Meetings 1 2. Annual Meetings 1 3. Special Meetings 1 4. Notice of Meetings 1 5. Inspectors 2 6. Quorum 2 7. Voting; Proxies 2 8. Order of Business 3 9. Notice of Stockholder Proposals 3 10. Notice of Director Nomination

August 10, 2023 EX-99.1

MONTAUK RENEWABLES, INC.

Exhibit 99.1 MONTAUK RENEWABLES, INC. Incorporated in the United States of America Company number: 85-3189583 NASDAQ share code: MNTK JSE share code: MKR ISIN: US61218C1036 (“Company”) UNAUDITED CONSOLIDATED RESULTS FOR THE SIX MONTHS ENDED 30 June 2023 Dollar amounts presented herein are in United States Dollars Six Months ended 30 June Six Months ended 30 June Percentage SALIENT FEATURES 2023 20

August 10, 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): August 10, 2023 Montauk Renewable

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 10, 2023 Montauk Renewables, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission File

August 9, 2023 EX-99.1

MONTAUK RENEWABLES, INC.

Exhibit 99.1 Montauk Renewables Announces Second Quarter 2023 Results PITTSBURGH, PENNSYLVANIA – August 9, 2023—Montauk Renewables, Inc. (“Montauk” or “the Company”) (NASDAQ: MNTK), a renewable energy company specializing in the management, recovery, and conversion of biogas into renewable natural gas (“RNG”), today announced financial results for the second quarter ended June 30, 2023. Second Qua

August 9, 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 09, 2023 Montauk Renewables, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-39919 85-3189583 (State or Other Jurisdiction of Incorporation) (Commissio

August 9, 2023 10-Q

` UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

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

June 30, 2023 EX-10.1

Third Amendment to the Landfill Gas Rights and Production Facilities Agreement and Settlement Agreement, dated as of June 27, 2023, by and between the County of Orange and Bowerman Power LFG, LLC (incorporated by reference to Exhibit 10.1 of our Current Report on Form 8-K, filed June 30, 2023)

EX-10.1 Exhibit 10.1 CERTAIN INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. THE OMITTED PORTIONS OF THIS DOCUMENT ARE INDICATED BY [***]. THIRD AMENDMENT TO THE LANDFILL GAS RIGHTS & PRODUCTION FACILITIES AGREEMENT AND SETTLEMENT AGREEMENT Frank R. Bowerman Landfill THIS THIRD AMENDMEN

June 30, 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 27, 2023 Montauk Renewables,

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 27, 2023 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission

June 22, 2023 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

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, 2023 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission

June 22, 2023 EX-10.1

Third Amended and Restated Loan Agreement and Secured Promissory Note, dated as of June 21, 2023, by and between Montauk Renewables, Inc. and Montauk Holdings Proprietary Limited

EX-10.1 Exhibit 10.1 EXECUTION VERSION THIRD AMENDED AND RESTATED LOAN AGREEMENT AND SECURED PROMISSORY NOTE MONTAUK HOLDINGS PROPRIETARY LIMITED, a South African company (the “Borrower”), hereby promises to pay to MONTAUK RENEWABLES, INC., a Delaware corporation (the “Lender”), an amount equal to Ten Million and Forty Thousand U.S. DOLLARS (U.S. $10,040,000.00), together with accrued interest the

June 8, 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 5, 2023 Montauk Renewables,

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 5, 2023 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission Fil

May 10, 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): May 10, 2023 Montauk Renewables,

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, 2023 Montauk Renewables, Inc. (Exact name of registrant as specified in charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission File Nu

May 10, 2023 EX-99.1

MONTAUK RENEWABLES, INC. CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

EX-99.1 Exhibit 99.1 Montauk Renewables Announces First Quarter 2023 Results PITTSBURGH, PENNSYLVANIA – May 10, 2023—Montauk Renewables, Inc. (“Montauk” or “the Company”) (NASDAQ: MNTK), a renewable energy company specializing in the management, recovery, and conversion of biogas into renewable natural gas (“RNG”), today announced financial results for the first quarter ended March 31, 2023. First

May 10, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended 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: 0

April 25, 2023 DEF 14A

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

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 25, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION 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 INFORMATION 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)

April 11, 2023 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): April 6, 2023 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission Fi

March 31, 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 28, 2023 Montauk Renewables

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 28, 2023 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission F

March 17, 2023 EX-99.1

MONTAUK RENEWABLES, INC.

EX-99.1 Exhibit 99.1 MONTAUK RENEWABLES, INC. Incorporated in the United States of America Company number: 85-3189583 NASDAQ share code: MNTK JSE share code: MKR ISIN: US61218C1036 (“Montauk Renewables” or the “Company”) AUDITED CONSOLIDATED RESULTS FOR THE YEAR ENDED 31 December 2022 Dollar amounts presented herein are in United States Dollars 2022 2021 Percentage SALIENT FEATURES Change Revenue

March 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): March 17, 2023 Montauk Renewables

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 17, 2023 Montauk Renewables, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission File

March 16, 2023 EX-24.1

Power of Attorney

EX-24.1 Exhibit 24.1 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned officers and directors of Montauk Renewables, Inc., a Delaware corporation, hereby constitutes and appoints of Sean F. McClain, Kevin A. Van Asdalan and John Ciroli, and each of them, as his true and lawful attorney or attorneys-in-fact, with full power of substitution and revocation, for each of th

March 16, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ 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 PU

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ 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 No. 001-39919

March 16, 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 16, 2023 Montauk Renewables

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 16, 2023 Montauk Renewables, Inc. (Exact name of registrant as specified in charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission File

March 16, 2023 EX-21.1

List of subsidiaries of Montauk Renewables, Inc.

EX-21.1 Exhibit 21.1 Subsidiary of Montauk Renewables, Inc. State of Organization Apex LFG Energy, LLC Delaware Bowerman Power LFG, LLC Delaware Galveston LFG, LLC Delaware GSF Energy, L.L.C. Delaware Johnstown LFG Holdings, Inc. f/k/a Leaf LFG Investments, Inc. Delaware Johnstown Regional Energy, LLC Pennsylvania Magnolia Ag, LLC Delaware MEDC, LLC Delaware MH Energy, LLC Delaware MH Energy (GP),

March 16, 2023 EX-99.1

MONTAUK RENEWABLES, INC. CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

EX-99.1 Exhibit 99.1 Montauk Renewables Announces Full Year 2022 Results PITTSBURGH, PENNSYLVANIA – March 16, 2023—Montauk Renewables, Inc. (“Montauk” or “the Company”) (NASDAQ: MNTK), a renewable energy company specializing in the management, recovery and conversion of biogas into renewable natural gas (“RNG”), today announced financial results for the year ended December 31, 2022. Full Year High

December 23, 2022 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

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 22, 2022 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39919 85-3189583 (State or other jurisdiction of incorporation) (Commiss

December 23, 2022 EX-10.2

First Amendment to the Second Amended and Restated Loan Agreement and Secured Promissory Note, dated as of December 22, 2021, by and between Montauk Renewables, Inc. and Montauk Holdings Limited, dated as of December 22, 2022

Exhibit 10.2 FIRST AMENDMENT THIS FIRST AMENDMENT, dated as of December 22, 2022 (this ?First Amendment?), to that certain SECOND AMENDED AND RESTATED LOAN AGREEMENT AND SECURED PROMISSORY NOTE, dated as of December 22, 2021, made by Montauk Holdings Limited, a South African company, as borrower (the ?Borrower?), to Montauk Renewables, Inc., a Delaware corporation, as lender (the ?Lender?) in an a

November 9, 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): November 9, 2022 Montauk Renewables, Inc. (Exact name of registrant as specified in charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission Fil

November 9, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 or ☐ TRANSITION R

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Numbe

November 9, 2022 EX-99.1

MONTAUK RENEWABLES, INC. CONDENSED CONSOLIDATED BALANCE SHEETS

Exhibit 99.1 Montauk Renewables Announces Third Quarter 2022 Results PITTSBURGH, PENNSYLVANIA ? November 9, 2022?Montauk Renewables, Inc. (?Montauk? or ?the Company?) (NASDAQ: MNTK), a renewable energy company specializing in the management, recovery and conversion of biogas into renewable natural gas (?RNG?), today announced financial results for the third quarter ended September 30, 2022. Third

August 11, 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 11, 2022 Montauk Renewables, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission File

August 11, 2022 EX-99.1

MONTAUK RENEWABLES, INC.

Exhibit 99.1 MONTAUK RENEWABLES, INC. Incorporated in the United States of America Company number: 85-3189583 NASDAQ share code: MNTK JSE share code: MKR ISIN: US61218C1036 (?Montauk Renewables? or the ?Company?) UNAUDITED RESULTS FOR THE SIX MONTHS ENDED 30 June 2022 Dollar amounts presented herein are in United States Dollars SALIENT FEATURES Six Months Ended June 30, 2022 Six Months Ended June

August 9, 2022 EX-99.1

MONTAUK RENEWABLES, INC. CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited)

Exhibit 99.1 Montauk Renewables Announces Second Quarter 2022 Results PITTSBURGH, PENNSYLVANIA ? August 9, 2022?Montauk Renewables, Inc. (?Montauk? or ?the Company?) (NASDAQ: MNTK), a renewable energy company specializing in the management, recovery and conversion of biogas into renewable natural gas (?RNG?), today announced financial results for the second quarter ended June 30, 2022. Second Quar

August 9, 2022 8-K

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 9, 2022 Montauk Renewables, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission File

August 9, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 or ☐ TRANSITION REPORT

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended 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: 00

June 8, 2022 8-K

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): June 6, 2022 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission Fil

June 1, 2022 EX-2.1

First Amendment to Membership Interest and Asset Purchase Agreement, dated May 26, 2022, by and among J.P. Carroll & Co., LLC, Eagle Creek Ranch, L.L.C., NR3 Nutrient Recovery, LLC, Joseph P. Carroll, Jr., Martin A. Redeker, Montauk Ag Renewables, LLC and Montauk Energy Holdings, LLC (incorporated by reference to Exhibit 2.1 of our Current Report on Form 8-K, filed on June 1, 2022)

Exhibit 2.1 AMENDMENT AGREEMENT THIS AMENDMENT AGREEMENT (this ?Amendment?) is made and entered into as of May 26, 2022 (the ?Effective Date?) by and among (i) J.P. Carroll & Co., LLC, a North Carolina limited liability company (?JP Seller?), (ii) Eagle Creek Ranch L.L.C., a Colorado limited liability company (?ECR Seller? and, together with JP Seller, ?Interest Sellers?), (iii) NR3 Nutrient Recov

June 1, 2022 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, 2022 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission Fil

May 10, 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 10, 2022 Montauk Renewables, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission File Nu

May 10, 2022 EX-99.1

MONTAUK RENEWABLES, INC. CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited)

Exhibit 99.1 Montauk Renewables Announces First Quarter 2022 Results PITTSBURGH, PENNSYLVANIA ? May 10, 2022?Montauk Renewables, Inc. (?Montauk? or ?the Company?) (NASDAQ: MNTK), a renewable energy company specializing in the management, recovery and conversion of biogas into renewable natural gas (?RNG?), today announced financial results for the first quarter ended March 31, 2022. First Quarter

May 10, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 or ☐ TRANSITION REPOR

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended 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: 0

April 22, 2022 DEF 14A

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

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION 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 permitte

April 22, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION 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 INFORMATION 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)

March 17, 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): March 17, 2022 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission F

March 17, 2022 EX-99.1

For the year ended 31 December

Exhibit 99.1 MONTAUK RENEWABLES, INC. Incorporated in the United States of America Company number: 85-3189583 NASDAQ share code: MNTK JSE share code: MKR ISIN: US61218C1036 (?Montauk Renewables? or the ?Company?) AUDITED CONSOLIDATED RESULTS For the fiscal year ended 31 December 2021 Dollar amounts presented herein are in United States Dollars For the year ended 31 December For the year ended 31 D

March 16, 2022 EX-99.1

MONTAUK RENEWABLES, INC. CONDENSED CONSOLIDATED BALANCE SHEETS

Exhibit 99.1 Montauk Renewables Announces Full Year 2021 Results PITTSBURGH, PENNSYLVANIA ? March 16, 2022?Montauk Renewables, Inc. (?Montauk? or ?the Company?) (NASDAQ: MNTK), a renewable energy company specializing in the management, recovery and conversion of biogas into renewable natural gas (?RNG?), today announced financial results for the year ended December 31, 2021. Full Year Highlights:

March 16, 2022 EX-24.1

Power of Attorney

Exhibit 24.1 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned officers and directors of Montauk Renewables, Inc., a Delaware corporation, hereby constitutes and appoints of Sean F. McClain, Kevin A. Van Asdalan and John Ciroli, and each of them, as his true and lawful attorney or attorneys-in-fact, with full power of substitution and revocation, for each of the unders

March 16, 2022 EX-21.1

List of subsidiaries of Montauk Renewables, Inc.

Exhibit 21.1 Subsidiary of Montauk Renewables, Inc. State of Organization Apex LFG Energy, LLC Delaware Bowerman Power LFG, LLC Delaware Galveston LFG, LLC Delaware GSF Energy, L.L.C. Delaware Johnstown LFG Holdings, Inc. f/k/a Leaf LFG Investments, Inc. Delaware Johnstown Regional Energy, LLC Pennsylvania Magnolia Ag, LLC Delaware MEDC, LLC Delaware MH Energy, LLC Delaware MH Energy (GP), LLC Del

March 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): March 16, 2022 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission F

March 16, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ 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 PU

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? 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 No. 001-39919

February 11, 2022 SC 13G

MNTK / Montauk Renewables, Inc. / Disant Holdings LP - SC 13G Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.)* Montauk Renewables, Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 61218C103 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant t

February 11, 2022 EX-99.C

Joint Filing Agreement

EXHIBIT C Joint Filing Agreement In accordance with Rule 13d-1(k) promulgated under the U.

February 11, 2022 SC 13G

MNTK / Montauk Renewables, Inc. / Circumference Energy Holdings LP - SC 13G Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Montauk Renewables, Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 61218C103 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant

February 11, 2022 EX-99.C

Joint Filing Agreement

EXHIBIT C Joint Filing Agreement In accordance with Rule 13d-1(k) promulgated under the U.

February 11, 2022 EX-99.A

List of Group Members

EXHIBIT A List of Group Members Circumference Energy Holdings LP, as successor to Rivetprops 47 (Pty) Ltd and Chearsley Investments (Pty) Ltd under the Consortium Agreement, dated as of January 24, 2021, by and among the stockholders named therein.

February 11, 2022 EX-99.A

List of Group Members

EXHIBIT A List of Group Members Circumference Energy Holdings LP, as successor to Rivetprops 47 (Pty) Ltd and Chearsley Investments (Pty) Ltd under the Consortium Agreement, dated as of January 24, 2021, by and among the stockholders named therein.

December 23, 2021 EX-10.1

Fourth Amendment to Second Amended and Restated Revolving Credit and Term Loan Agreement, dated as of December 22, 2021, by and among Montauk Energy Holdings, LLC, the financial institutions from time to time signatory thereto and Comerica Bank, as Administrative Agent (incorporated by reference to Exhibit 10.1 to our Current Report on Form 8-K (file No. 001-39919), filed on December 23, 2021)

Exhibit 10.1 FOURTH AMENDMENT TO SECOND AMENDED AND RESTATED REVOLVING CREDIT AND TERM LOAN AGREEMENT This Fourth Amendment to Second Amended and Restated Revolving Credit and Term Loan Agreement (?Fourth Amendment?) is made as of December 21, 2021, by and among Montauk Energy Holdings, LLC (?Borrower?), the Lenders (as defined below), and Comerica Bank, as administrative agent for the Lenders (in

December 23, 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

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 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commissio

December 23, 2021 EX-10.2

First Amendment to the Second Amended and Restated Loan Agreement and Secured Promissory Note, dated December 22, 2022, by and between Montauk Renewables, Inc. and Montauk Holdings Limited, (incorporated by reference to Exhibit 10.2 to Current Report on Form 8-K (file No. 001-39919), filed on December 23, 2022)

Exhibit 10.2 EXECUTION VERSION SECOND AMENDED AND RESTATED LOAN AGREEMENT AND SECURED PROMISSORY NOTE MONTAUK HOLDINGS LIMITED, a South African company (the ?Borrower?), hereby promises to pay to MONTAUK RENEWABLES, INC., a Delaware corporation (the ?Lender?), an amount equal to EIGHT MILLION NINE HUNDRED FOURTY THOUSAND U.S. DOLLARS (U.S. $8,940,000), together with accrued interest thereon, on th

December 17, 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 13, 2021 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commissio

December 10, 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 9, 2021 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission

November 15, 2021 EX-99.1

MONTAUK RENEWABLES, INC. CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited)

Exhibit 99.1 Montauk Renewables Announces Third Quarter 2021 Results PITTSBURGH, PENNSYLVANIA ? November 15, 2021?Montauk Renewables, Inc. (?Montauk? or ?the Company?) (NASDAQ: MNTK), a renewable energy company specializing in the management, recovery and conversion of biogas into renewable natural gas (?RNG?), today announced financial results for the third quarter of 2021. Third Quarter Financia

November 15, 2021 EX-10.2

Transaction Confirmation, dated as of April 1, 2021, by and between Iogen RC Fuels LP and GSF Energy, LLC

Exhibit 10.2 CERTAIN INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. THE OMITTED PORTIONS OF THIS DOCUMENT ARE INDICATED BY [***]. TRANSACTION CONFIRMATION Iogen RC Fuels LP Effective Date: April 1, 2021 Contract No. BG-GSF-IO-001I This Transaction Confirmation is subject to the Base Co

November 15, 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 15, 2021 Montauk Renewables, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 1-39919 85-3189583 (State or Other jurisdiction of Incorporation) (Commission Fi

November 15, 2021 EX-10.1

Base Contract for Sale and Purchase of Natural Gas, dated as of April 1, 2021, by and between Iogen RC Fuels LP and GSF Energy, LLC

Exhibit 10.1 CERTAIN INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. THE OMITTED PORTIONS OF THIS DOCUMENT ARE INDICATED BY [***]. Base Contract for Sale and Purchase of Natural Gas This Base Contract is entered into as of the following date: April 1, 2021 The parties to this Base Contr

November 15, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 or ☐ TRANSITION R

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 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 Numbe

November 15, 2021 EX-10.3

First Amendment to Transaction Confirmation, dated as of May 9, 2021, between Blue Source, LLC and GSF Energy, LLC

Exhibit 10.3 CERTAIN INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. THE OMITTED PORTIONS OF THIS DOCUMENT ARE INDICATED BY [***]. TRANSACTION CONFIRMATION FOR IMMEDIATE DELIVERY AMENDMENT NO. 1 This Contract Amendment between Blue Source, LLC (?Seller?) and GSF Energy, LLC (?Buyer?) is

August 17, 2021 EX-99.1

Six months 30 June

Exhibit 99.1 MONTAUK RENEWABLES, INC. Incorporated in the United States of America Company number: 85-3189583 NASDAQ share code: MNTK JSE share code: MKR ISIN: US61218C1036 (?Montauk Renewables? or the ?Company?) UNAUDITED RESULTS FOR THE SIX MONTHS ENDED 30 June 2021 Dollar amounts presented herein are in United States Dollars SALIENT FEATURES Six months Ended 30 June 2021 Six months ended 30 Jun

August 17, 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 17, 2021 Montauk Renewables, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 1-39919 85-3189583 (State or Other jurisdiction of Incorporation) (Commission File

August 16, 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 16, 2021 Montauk Renewables, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 1-39919 85-3189583 (State or Other jurisdiction of Incorporation) (Commission File

August 16, 2021 EX-99.1

MONTAUK RENEWABLES, INC. CONDENSED CONSOLIDATED BALANCE SHEETS

Exhibit 99.1 Montauk Renewables Announces Second Quarter 2021 Results PITTSBURGH, PENNSYLVANIA ? August 16, 2021?Montauk Renewables, Inc. (?Montauk? or ?the Company?) (NASDAQ: MNTK), a renewable energy company specializing in the management, recovery and conversion of biogas into renewable natural gas (?RNG?), today announced financial results for the fiscal second quarter 2021. Second Quarter 202

August 16, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 or ☐ TRANSITION REPORT

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended 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: 00

June 15, 2021 10-Q/A

UNITED STATES

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q/A Amendment No. 1 (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 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 Commiss

June 8, 2021 EX-10.1

Form of Indemnification Agreement between Montauk Renewables, Inc. and each of its directors and executive officers (incorporated by reference to Exhibit 10.1 to our Current Report on Form 8-K, filed June 8, 2021)

Exhibit 10.1 FORM OF DIRECTOR AND OFFICER INDEMNIFICATION AGREEMENT This Director and Officer Indemnification Agreement (this ?Agreement?) is between Montauk Renewables, Inc., a Delaware corporation (the ?Company?), and the individual identified as the indemnitee on the signature page hereto (?Indemnitee?). RECITALS: A. Indemnitee is a director or officer of the Company and his or her willingness

June 8, 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 4, 2021 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission Fil

May 26, 2021 8-K

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, 2021 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission Fil

May 17, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 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: 0

May 11, 2021 EX-99.1

Montauk Renewables, Inc. Expands Agricultural Waste Segment Through Technology Acquisition

Exhibit 99.1 Montauk Renewables, Inc. Expands Agricultural Waste Segment Through Technology Acquisition PITTSBURGH, PENNSYLVANIA?BUSINESS WIRE?Montauk Renewables, Inc. (Montauk) (NASDAQ: MNTK) announces the acquisition of privately-held NR3, LLC, (NR3) a pioneering environmental technology and renewable energy company, based in Greensboro, NC, that specializes in the recovery, refining, and recycl

May 11, 2021 EX-2.1

Membership Interest and Asset Purchase Agreement, dated May 10, 2021, by and among J.P. Carroll & Co., LLC, Eagle Creek Ranch, L.L.C., NR Nutrient Recovery, LLC, Joseph P. Carroll, Jr., Martin A. Redeker and Montauk Swine Ag, LLC (incorporated by reference to Exhibit 2.1 to our Current Report on Form 8-K (File No. 001-39919), filed on May 11, 2021)

Exhibit 2.1 MEMBERSHIP INTEREST AND ASSET PURCHASE AGREEMENT by and among J.P. CARROLL & CO., LLC, EAGLE CREEK RANCH, L.L.C., NR NUTRIENT RECOVERY, LLC JOSEPH P. CARROLL, JR., MARTIN A. REDEKER and MONTAUK SWINE AG, LLC TABLE OF CONTENTS SECTION 1. ACQUISITION OF SECURITIES AND PURCHASED ASSETS 2 1.1 Purchase and Sale of Securities and Purchased Assets 2 1.2 No Assumed Liabilities 2 1.3 Purchase P

May 11, 2021 8-K

Regulation FD Disclosure, 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 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware 1-39919 85-3189583 (State or other jurisdiction of incorporation) (Commission Fil

May 11, 2021 EX-2.2

Real Estate Purchase and Sale Agreement, dated May 10, 2021, by and among Greensboro Ecosystems, LLC and Montauk Swine Ag, LLC (incorporated by reference to Exhibit 2.2 to our Current Report on Form 8-K (File No. 001-39919), filed on May 11, 2021)

Exhibit 2.2 REAL ESTATE PURCHASE AND SALE AGREEMENT THIS REAL ESTATE PURCHASE AND SALE AGREEMENT (?Agreement?) is dated as of May 10, 2021 (?Closing Date?), by and between GREENSBORO ECOSYSTEMS, LLC, a North Carolina limited liability company (?Seller?), and MONTAUK SWINE AG, LLC, a Delaware limited liability company (?Buyer?). Seller and Buyer are individually referred to as a ?Party? and collect

April 7, 2021 DEF 14A

- DEF 14A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION 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 permitte

April 7, 2021 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION 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)

April 1, 2021 EX-99.1

MONTAUK RENEWABLES, INC.

EX-99.1 Exhibit 99.1 MONTAUK RENEWABLES, INC. Incorporated in the United States of America Company number: 85-3189583 NASDAQ share code: MNTK JSE share code: MKR ISIN: US61218C1036 (“Montauk Renewables” or the “Company”) AUDITED CONSOLIDATED RESULTS For the year ended 31 December 2020 The historical consolidated financial data disclosed below reflects the historical results of operations and finan

April 1, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)*

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Montauk Renewables, Inc. (Name of Issuer) Common stock, par value $0.01 per share (Title of Class of Securities) 61218C103 (CUSIP Number) January 7, 2021 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the r

April 1, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 d719178d8k.htm 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 1, 2021 Montauk Renewables, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 1-39919 85-3189583 (State or Other jurisdiction of Incorpor

March 31, 2021 EX-99.1

Administrative Services Agreement, dated as of January 25, 2021, by and between HCI Managerial Services Proprietary Limited and Montauk Renewables, Inc.

EX-99.1 12 d103808dex991.htm EX-99.1 Exhibit 99.1 HCI Managerial Services (Pty) Ltd Suite 801 76 Regent Road Sea Point 8005 Montauk Renewables, Inc. 680 Andersen Drive Foster Plaza 10, 5th Floor, Suite 580 Pittsburgh, PA 15220 Dear Sirs: LETTER OF APPOINTMENT FOR THE PROVISION OF ADMINISTRATIVE SERVICES TO MONTAUK RENEWABLES, INC. (“LETTER OF APPOINTMENT”) This Letter of Appointment serves to conf

March 31, 2021 10-K

Annual Report - FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020; 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 No. 001-39919

March 31, 2021 EX-10.41

Amended and Restated Loan Agreement and Secured Promissory Note, by and between Montauk Holdings Limited and Montauk Renewables, Inc., dated February 22, 2021 (incorporated by reference to Exhibit 10.41 to our Form 10-K (File No. 001-39919) filed March 31, 2021)

EX-10.41 4 d103808dex1041.htm EX-10.41 Exhibit 10.41 AMENDED AND RESTATED LOAN AGREEMENT AND SECURED PROMISSORY NOTE MONTAUK HOLDINGS LIMITED, a South African company (the “Borrower”), hereby promises to pay to MONTAUK RENEWABLES, INC., a Delaware corporation (the “Lender”), an amount equal to SEVEN MILLION U.S. DOLLARS (U.S. $7,000,000), together with accrued interest thereon, on the terms and co

March 31, 2021 EX-24.1

Power of Attorney

EX-24.1 7 d103808dex241.htm EX-24.1 Exhibit 24.1 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned officers and directors of Montauk Renewables, Inc., a Delaware corporation, hereby constitutes and appoints of Sean F. McClain, Kevin A. Van Asdalan and John Ciroli, and each of them, as his true and lawful attorney or attorneys-in-fact, with full power of substitution an

March 31, 2021 EX-4.1

Description of Securities (incorporated by reference to Exhibit 4.1 of our Annual Report on Form 10-K, filed March 31, 2021)

EX-4.1 2 d103808dex41.htm EX-4.1 EXHIBIT 4.1 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Montauk Renewables, Inc. (the “Corporation,” “Montauk,” “us,” “we,” or “our”) has one class of securities, our common stock, registered under Section 12 of the Securities Exchange Act of 1934, as amended. DESCRIPTION OF COMMON STOCK The fo

March 31, 2021 EX-99.2

Consortium Agreement, dated as of January 24, 2021, by and among the stockholders named therein (incorporated by reference to Exhibit 99.2 of Annual Report on Form 10-K filed March 31, 2021)

EX-99.2 13 d103808dex992.htm EX-99.2 Exhibit 99.2 ENSafrica 35 Lower Long Street Foreshore Cape Town 8001 P O Box 2293 Cape Town South Africa 8000 docex 14 Cape Town tel +2721 410 2500 [email protected] ENSafrica.com CONSORTIUM AGREEMENT entered into between THE PERSONS LISTED ON ANNEXURE A (“Shareholders”) law | tax | forensics | IP | africa edward nathan sonnenbergs incorporated registration nu

March 31, 2021 EX-10.9

Employment Agreement, effective September 25, 2019, between Montauk Energy Holdings LLC and Sean F. McClain (incorporated by reference to Exhibit 10.9 to Annual Report on Form 10-K filed March 31, 2021)

Exhibit 10.9 EMPLOYMENT AGREEMENT THIS EMPLOYMENT AGREEMENT (the ?Agreement?) is made and entered into to be effective as of September 25, 2019, by and between Montauk Energy Holdings, LLC (the ?Company?), and Sean F. McClain (?Employee?). On the terms and conditions hereinafter set forth, the Company desires to employ the Employee, and the Employee desires to be employed by the Company in connect

March 30, 2021 SC 13G

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.)* Montauk Renewables, Inc. (Name of Issuer) Common stock, par value $0.01 per share (Title of Class of Securities) 61218C103 (CUSIP Number) January 7, 2021 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rul

February 24, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Entry into a Material Definitive Agreement

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, 2021 Montauk Renewables, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 1-39919 85-3189583 (State or Other jurisdiction of Incorporation) (Commission Fi

February 3, 2021 8-K

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

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): January 28, 2021 Montauk Renewables, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 1-39919 85-3189583 (State or Other jurisdiction of Incorporation) (Commission

January 27, 2021 S-8

- S-8

S-8 As filed with the Securities and Exchange Commission on January 27, 2021 Registration No.

January 25, 2021 424B4

3,047,015 Shares MONTAUK RENEWABLES, INC. Common Stock

424B4 Table of Contents Filed Pursuant to Rule 424(b)(4) Registration No. 333-251312 3,047,015 Shares MONTAUK RENEWABLES, INC. Common Stock This is the initial public offering of shares of common stock, par value $0.01 per share (the “common stock”), of Montauk Renewables, Inc. We are offering 2,350,000 shares of our common stock and the selling stockholder identified in this prospectus is offerin

January 20, 2021 CORRESP

-

[Roth Capital Partners Letterhead] January 20, 2021 VIA EDGAR AND EMAIL U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, DC 20549 Attn: Karina Dorin, Staff Attorney Re: Montauk Renewables, Inc. Registration Statement on Form S-1 (File No. 333-251312) Acceleration Request Dear Ms. Dorin: Pursuant to Rule 461 under the Securities Act of 1933, as

January 20, 2021 8-A12B

Form 8-A

8-A12B UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Montauk Renewables, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 85-3189583 (I.R.S. Employer Identifica

January 20, 2021 CORRESP

-

January 20, 2021 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

January 20, 2021 S-1/A

- FORM S-1/A

Form S-1/A Table of Contents As filed with the Securities and Exchange Commission on January 20, 2021.

January 15, 2021 EX-10.39

Form of Consortium Agreement, by and among the stockholders named therein

EX-10.39 3 d939445dex1039.htm EX-10.39 Exhibit 10.39 ENSafrica 35 Lower Long Street Foreshore Cape Town 8001 P O Box 2293 Cape Town South Africa 8000 docex 14 Cape Town tel +2721 410 2500 [email protected] ENSafrica.com CONSORTIUM AGREEMENT entered into between THE PERSONS LISTED ON ANNEXURE A (“Shareholders”) law | tax | forensics | IP | africa edward nathan sonnenbergs incorporated registration

January 15, 2021 S-1/A

- FORM S-1/A (AMENDMENT #4)

Form S-1/A (Amendment #4) Table of Contents As filed with the Securities and Exchange Commission on January 15, 2021.

January 15, 2021 EX-10.30

Base Contract for Sale and Purchase of Natural Gas, dated as of July 23, 2009, by and between Shell Energy North America (US), L.P. and GSF Energy, LLC

EX-10.30 Exhibit 10.30 Base Contract for Sale and Purchase of Natural Gas This Base Contract is entered into as of the following date: July 23, 2009. The parties to this Base Contract are the following: Shell Energy North America (US), L.P. and GSF Energy, LLC a Delaware limited partnership a Delaware limited liability corporation Duns Number: [***] Duns Number: [***] (Montauk Energy Capital, LLC)

January 8, 2021 EX-10.26

Transaction Confirmation, dated as of May 9, 2016, by and between Iogen D3 Biofuel Partners LLC and GSF Energy, LLC

EX-10.26 Exhibit 10.26 CERTAIN INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. THE OMITTED PORTIONS OF THIS DOCUMENT ARE INDICATED BY [***]. TRANSACTION CONFIRMATION Iogen D3 Biofuel Partners LLC Effective Date: May 9, 2016 This Transaction Confirmation is subject to the Base Contract b

January 8, 2021 EX-4.1

Form of Underwriter Warrant

EX-4.1 6 d939445dex41.htm EX-4.1 Exhibit 4.1 PURSUANT TO THE TERMS OF SECTION 1 OF THIS WARRANT, ALL OR A PORTION OF THIS WARRANT MAY HAVE BEEN EXERCISED, AND THEREFORE THE ACTUAL NUMBER OF WARRANT SHARES REPRESENTED BY THIS WARRANT MAY BE LESS THAN THE AMOUNT SET FORTH ON THE FACE HEREOF. THIS WARRANT AND THE SECURITIES ISSUABLE UPON EXERCISE OF THIS WARRANT HAVE NOT BEEN REGISTERED UNDER THE SEC

January 8, 2021 CORRESP

-

500 GRANT STREET, SUITE 4500 ? PITTSBURGH, PENNSYLVANIA 15219.2514 TELEPHONE: +1.412.391.3939 ? FACSIMILE: +1.412.394.7959 DIRECT NUMBER: (412) 394-9547 [email protected] January 8, 2021 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance Office of Energy & Transportation 100 F Street, N.E. Mail Stop 3720 Washington, D.C. 20549 Attention: Loan Lauren Nguye

January 8, 2021 S-1/A

- FORM S-1/A (AMENDMENT #3)

Form S-1/A (Amendment #3) Table of Contents As filed with the Securities and Exchange Commission on January 8, 2021.

January 8, 2021 EX-10.44

Form of Administrative Services Agreement, by and between HCI Managerial Services Proprietary Limited and Montauk Renewables, Inc.

Exhibit 10.44 HCI Managerial Services (Pty) Ltd Suite 801 76 Regent Road Sea Point 8005 Montauk Renewables, Inc. 680 Andersen Drive Foster Plaza 10, 5th Floor, Suite 580 Pittsburgh, PA 15220 Dear Sirs: LETTER OF APPOINTMENT FOR THE PROVISION OF ADMINISTRATIVE SERVICES TO MONTAUK RENEWABLES, INC. (“LETTER OF APPOINTMENT”) This Letter of Appointment serves to confirm the appointment of HCI Manageria

January 8, 2021 EX-10.27

First Amendment to Transaction Confirmation, dated as of May 20, 2016, by and between Iogen D3 Biofuel Partners LLC and GSF Energy, LLC

Exhibit 10.27 IOGEN D3 BIOFUEL PARTNERS LLC 2200 Wilson Boulevard, Suite 310 Arlington, Virginia 22202 May 20, 2016 GSF Energy, L.L.C. 680 Andersen Drive Foster Plaza 10, 5th Floor Pittsburg, PA 15220 Attention: Dave Herman Dear Dave: Re: Transaction Confirmation dated May 9, 2016 between Iogen D3 Biofuel Partners LLC and GSF Energy, LLC (the “Transaction Confirmation”) Reference is made to the Tr

January 8, 2021 EX-10.29

Third Amendment to Transaction Confirmation, dated as of September 17, 2019, by and between Iogen D3 Biofuel Partners LLC and GSF Energy, LLC

Exhibit 10.29 CERTAIN INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. THE OMITTED PORTIONS OF THIS DOCUMENT ARE INDICATED BY [***]. IOGEN D3 BIOFUEL PARTNERS LLC 220 Wilson Blvd., Suite 310 Arlington, VA 22202 September 17, 2019 GSF Energy, L.LC. Attn: Marty Ryan 680 Anderson Dr. Foster

January 8, 2021 EX-10.28

Second Amendment to Transaction Confirmation, dated as of May 22, 2018, by and between Iogen D3 Biofuel Partners LLC and GSF Energy, LLC

EX-10.28 13 d939445dex1028.htm EX-10.28 Exhibit 10.28 CERTAIN INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. THE OMITTED PORTIONS OF THIS DOCUMENT ARE INDICATED BY [***]. SECOND AMENDMENT TO TRANSACTION CONFIRMATION This Second Amendment to Transaction Confirmation (this “Second Amendm

January 8, 2021 EX-3.2

Bylaws of Montauk Renewables, Inc. (incorporated by reference to Exhibit 3.2 to Amendment No. 3 to our Registration Statement on Form S-1 (File No. 333-251312), filed January 8, 2021)

EX-3.2 5 d939445dex32.htm EX-3.2 Exhibit 3.2 MONTAUK RENEWABLES, INC. BYLAWS As Adopted and Effective on January 4, 2021 TABLE OF CONTENTS Page STOCKHOLDERS MEETINGS 1 1. Time and Place of Meetings 1 2. Annual Meetings 1 3. Special Meetings 1 4. Notice of Meetings 1 5. Inspectors 2 6. Quorum 2 7. Voting; Proxies 2 8. Order of Business 2 9. Notice of Stockholder Proposals 3 10. Notice of Director N

January 8, 2021 EX-2.2

Letter Agreement, dated as of January 3, 2021, to the Transaction Implementation Agreement, dated as of November 6, 2020, between Montauk Renewables, Inc., Montauk Holdings Limited and Montauk Holdings USA, LLC (incorporated by reference to Exhibit 2.2 Amendment No. 3 to our Registration Statement on Form S-1 (File No. 333-251312), filed January 8, 2021)

EX-2.2 Exhibit 2.2 January 3, 2021 Via Electronic Mail Montauk Holdings USA, LLC 680 Anderson Drive, 5th Floor Pittsburgh, PA 15220 Attention: VP General Counsel e-mail: [email protected] Montauk Renewables, Inc. 680 Anderson Drive, 5th Floor Pittsburgh, PA 15220 Attention: Chief Executive Officer and President e-mail: [email protected] RE: Pre-Distribution Restructuring. Referenc

January 8, 2021 EX-10.33

Base Contract for Sale and Purchase of Natural Gas, dated as of October 9, 2019, by and between Bluesource LLC and GSF Energy, LLC

EX-10.33 15 d939445dex1033.htm EX-10.33 Exhibit 10.33 Base Contract for Sale and Purchase of Natural Gas This Base Contact is entered into as of the following date: October 9, 2019 The parties to this Base Contract are the following: PARTY A (“SELLER”) PARTY NAME PARTY B (“BUYER”) GSF Energy, L.L.C. Bluesource LLC 680 Andersen Drive Foster Plaza 10, 5th Floor Suite 580 Pittsburgh, PA 16220 ADDRESS

January 8, 2021 EX-10.20

Amended and Restated Gas Sale and Purchase Agreement, by and between McCarty Road Landfill TX, LP and GSF Energy, LLC (incorporated by reference to Exhibit 10.20 to Amendment No. 3 to our Registration Statement on Form S-1 (File No. 333-251312), filed January 8, 2021)

EX-10.20 Exhibit 10.20 CERTAIN INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. THE OMITTED PORTIONS OF THIS DOCUMENT ARE INDICATED BY [***]. CONFIDENTIAL AMENDED AND RESTATED GAS SALE AND PURCHASE AGREEMENT between MCCARTY ROAD LANDFILL TX, LP (“Republic”) and GSF ENERGY, L.L.C. (“Devel

January 8, 2021 EX-10.42

Employment Agreement, effective June 1, 2020, between Montauk Energy Holdings LLC and John Ciroli (incorporated by reference to Exhibit 10.42 to Amendment No. 3 to our Registration Statement on Form S-1 (File No. 333-251312), filed January 8, 2021)

EX-10.42 17 d939445dex1042.htm EX-10.42 Exhibit 10.42 1 June 2020 VIA E-MAIL Mr. John Ciroli, Esq. Pittsburgh, PA [***] Re: Offer of Employment Dear John, The management of Montauk Energy Holdings, LLC (the “Company”) is very impressed with your resume, your work experience, and your attitude towards impacting positive change within our organization. We strongly believe that you would be a good fi

January 8, 2021 EX-10.25

Base Contract for Sale and Purchase of Natural Gas, dated as of May 9, 2016,by and between Iogen D3 Biofuel Partners LLC and GSF Energy, LLC

EX-10.25 Exhibit 10.25 Base Contract for Sale and Purchase of Natural Gas This Base Contract is entered into as of the following date: May 9, 2016. The parties to this Base Contract are the following: GSF Energy LLC and Iogen D3 Biofuel Partners LLC a Delaware limited liability company a Delaware limited liability company Duns Number: [***] Duns Number: Contract Number: Contract Number: U.S. Feder

January 8, 2021 EX-3.1

Amended and Restated Certificate of Incorporation of Montauk Renewables, Inc. (incorporated by reference to Exhibit 3.1 to Amendment No. 3 to our Registration Statement on Form S-1 (File No. 333-251312), filed January 8, 2021)

Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF MONTAUK RENEWABLES, INC. Montauk Renewables, Inc., a corporation organized and existing under the laws of the State of Delaware (the “Company”) hereby certifies as follows: 1. The name of the Company is Montauk Renewables, Inc., formerly incorporated as Montauk Energy, Inc. The Company’s original Certificate of Incorporation was file

January 8, 2021 EX-10.43

Employment Agreement, effective April 15, 2010, between Montauk Energy Capital, LLC and Scott Hill

Exhibit 10.43 April 15, 2010 Mr. Scott E. Hill 136 Pendleton Drive Bristol, TN 37620 Re: Offer of Employment Dear Scott: The management team and investors of Montauk Energy Capital, LLC (the “Company”) are very impressed with you, your past experience and your business and operational philosophies. We have enjoyed getting to know you, and are hopeful that we have made as good an impression with yo

January 8, 2021 EX-10.16

Third Amendment, dated as of January 4, 2021, to the Second Amended and Restated Revolving Credit and Term Loan Agreement, dated as of December 12, 2018, by and among Montauk Energy Holdings LLC, the financial institutions from time to time party thereto, as lenders, and Comerica Bank, as administrative agent, sole lead arranger and sole book runner (incorporated by reference to Exhibit 10.16 to Amendment No. 3 to our Registration Statement on Form S-1 (File No. 333-251312), filed January 8, 2021)

Exhibit 10.16 THIRD AMENDMENT TO SECOND AMENDED AND RESTATED REVOLVING CREDIT AND TERM LOAN AGREEMENT AND CONSENT This Third Amendment to Second Amended and Restated Revolving Credit and Term Loan Agreement and Consent (“Third Amendment”) is made as of January 4, 2021, by and among Montauk Energy Holdings, LLC (“Borrower”), the Lenders (as defined below) signatory hereto and Agent (as defined belo

January 8, 2021 EX-10.1

Montauk Renewables, Inc. Equity and Incentive Compensation Plan (incorporated by reference to Exhibit 10.1 to Amendment No. 3 to our Registration Statement on Form S-1 (File No. 333-251312), filed January 8, 2021)

Exhibit 10.1 MONTAUK RENEWABLES, INC. EQUITY AND INCENTIVE COMPENSATION PLAN 1. Purpose. The purpose of this Plan is to permit the grant of awards to non-employee Directors, officers and other employees of the Company and its Subsidiaries, and certain Consultants to the Company and its Subsidiaries, and to provide to such persons incentives and rewards for service and/or performance. 2. Definition

January 8, 2021 EX-1.1

Form of Underwriting Agreement

Exhibit 1.1 MONTAUK RENEWABLES, INC. UNDERWRITING AGREEMENT , 2021 Roth Capital Partners, LLC 888 San Clemente Drive, Suite 400 Newport Beach, CA 92660 c/o Roth Capital Partners, LLC 888 San Clemente Drive, Suite 400 Newport Beach, CA 92660 Ladies and Gentlemen: Montauk Renewables, Inc., a Delaware corporation (the “Company”), proposes, subject to the terms and conditions stated herein, to issue a

January 8, 2021 EX-10.34

Transaction Confirmation, dated as of October 15, 2019, by and between Bluesource LLC and GSF Energy, LLC

Exhibit 10.34 CERTAIN INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. THE OMITTED PORTIONS OF THIS DOCUMENT ARE INDICATED BY [***]. TRANSACTION CONFIRMATION Date: October 15, 2019 Contract: Confirmation Number; Blue 001 This Transaction Confirmation is subject to that certain NAESB Base

December 31, 2020 EX-10.41

Form of Loan Agreement and Promissory Note, by and between Montauk Holdings Limited and Montauk Renewables, Inc., dated ,

EX-10.41 Exhibit 10.41 FORM OF LOAN AGREEMENT AND SECURED PROMISSORY NOTE MONTAUK HOLDINGS LIMITED, a South African company (the “Borrower”), hereby promises to pay to MONTAUK RENEWABLES, INC., a Delaware corporation (the “Lender”), an amount equal to [ U.S. DOLLARS ($)], together with accrued interest thereon, on the terms and conditions set forth herein. This Loan Agreement and Secured Promissor

December 31, 2020 EX-10.31

Transaction Confirmation, dated as of May 6, 2016, by and between Shell Energy North America (US), L.P. and GSF Energy, LLC

EX-10.31 Exhibit 10.31 CERTAIN INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. THE OMITTED PORTIONS OF THIS DOCUMENT ARE INDICATED BY [***]. TRANSACTION CONFIRMATION Shell Energy North America (US), L.P. May 6, 2016 This Transaction Confirmation is subject to the Base Contract between S

December 31, 2020 EX-10.19

Renewable Power Purchase and Sale Agreement by and between the City of Anaheim and Bowerman Power LFG, LLC (incorporated by reference to Exhibit 10.19 to Amendment No. 2 to our Registration Statement on Form S-1 (File No. 333-251312), filed December 31, 2021)

EX-10.19 Table of Contents Exhibit 10.19 RENEWABLE POWER PURCHASE AND SALE AGREEMENT between CITY OF ANAHEIM and BOWERMAN POWER LFG, LLC Table of Contents TABLE OF CONTENTS PREAMBLE AND RECITALS 1 ARTICLE ONE. SPECIAL CONDITIONS 2 1.01 Generating Facility. 2 1.02 Forecasted Initial Synchronization Date. 3 1.03 Forecasted Commercial Operation Date. 3 1.04 Commercial Operation Deadline. 3 1.05 Firm

December 31, 2020 EX-10.22

Transaction Confirmation, dated as of August 24, 2018, by and between Trillium Transportation Fuels, LLC and GSF Energy, LLC

EX-10.22 Exhibit 10.22 CERTAIN INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. THE OMITTED PORTIONS OF THIS DOCUMENT ARE INDICATED BY [***]. TRANSACTION CONFIRMATION Date: 8/24 , 2018 Contract: Confirmation Number: 001 This Transaction Confirmation is subject to that certain NAESB Base

December 31, 2020 EX-10.23

First Amendment to Transaction Confirmation, dated as of June 26, 2019, by and between Trillium Transportation Fuels, LLC and GSF Energy, LLC

EX-10.23 Exhibit 10.23 CERTAIN INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. THE OMITTED PORTIONS OF THIS DOCUMENT ARE INDICATED BY [***]. FIRST AMENDMENT TO BIOGAS TRANSACTION CONFIRMATION THIS FIRST AMENDMENT TO BIOGAS TRANSACTION CONFIRMATION (this “Amendment”) is made and entered

December 31, 2020 EX-10.36

Base Contract for Sale and Purchase of Natural Gas, dated as of February 27, 2017, by and between BP Energy Company and BP Products North America Inc. (formerly Clean Energy Renewable Fuels, LLC) and TX LFG Energy, LP

EX-10.36 Exhibit 10.36 Base Contract for Sale and Purchase of Natural Gas This Base Contract is entered into as of the following date: February 27, 2017 The parties to this Base Contract are the following: PARTY A (“Seller”) PARTY NAME PARTY B (“Buyer”) TX LFG Energy, LP Clean Energy Renewable Fuels, LLC 680 Andersen Drive Foster Plaza 10, 5th Floor Pittsburgh, PA 15220 ADDRESS 4875 MacArthur Cour

December 31, 2020 EX-10.34

Transaction Confirmation, dated as of October 15, 2019, by and between Bluesource LLC and GSF Energy, LLC

EX-10.34 Exhibit 10.34 CERTAIN INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. THE OMITTED PORTIONS OF THIS DOCUMENT ARE INDICATED BY [***]. TRANSACTION CONFIRMATION Date: October 15, 2019 Contract: Confirmation Number; Blue 001 This Transaction Confirmation is subject to that certain N

December 31, 2020 EX-10.35

Amended and Restated Landfill Gas Purchase and Sale Agreement, dated October 17, 2016, by and between Waste Management of Texas, Inc. and TX LFG Energy, LP (incorporated by reference to Exhibit 10.35 to Amendment No. 2 to our Registration Statement on Form S-1 (File No. 333-251312), filed December 31, 2021)

EX-10.35 Exhibit 10.35 CERTAIN INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. THE OMITTED PORTIONS OF THIS DOCUMENT ARE INDICATED BY [***]. AMENDED AND RESTATED LANDFILL GAS PURCHASE AND SALE AGREEMENT BETWEEN WASTE MANAGEMENT OF TEXAS, INC. AND TX LFG ENERGY, LP October 17, 2016 This

December 31, 2020 EX-10.37

Transaction Confirmation, dated as of February 27, 2017, by and between BP Energy Company and BP Products North America Inc. (formerly Clean Energy Renewable Fuels, LLC) and TX LFG Energy, LP

EX-10.37 Exhibit 10.37 CERTAIN INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. THE OMITTED PORTIONS OF THIS DOCUMENT ARE INDICATED BY [***]. TRANSACTION CONFIRMATION FOR IMMEDIATE DELIVERY Date: February 27, 2017 Transaction Confirmation #: [***] This Transaction Confirmation is subject

December 31, 2020 EX-10.33

Base Contract for Sale and Purchase of Natural Gas, dated as of October 9, 2019, by and between Bluesource LLC and GSF Energy, LLC

EX-10.33 Exhibit 10.33 CERTAIN INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. THE OMITTED PORTIONS OF THIS DOCUMENT ARE INDICATED BY [***]. Base Contract for Sale and Purchase of Natural Gas This Base Contact is entered into as of the following date: October 9, 2019 The parties to this

December 31, 2020 EX-10.18

First Amendment to the Second Amended & Restated Landfill Gas Rights & Production Facilities Agreement, by and between County of Orange and Bowerman Power LFG, LLC (incorporated by reference to Exhibit 10.18 to Amendment No. 2 to our Registration Statement on Form S-1(File No. 333-251312), filed December 31, 2021)

EX-10.18 Exhibit 10.18 CERTAIN INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. THE OMITTED PORTIONS OF THIS DOCUMENT ARE INDICATED BY [***]. FIRST AMENDMENT & WAIVER TO THE SECOND AMENDED & RESTATED LANDFILL GAS RIGHTS & PRODUCTION FACILITIES AGREEMENT THIS FIRST AMENDMENT & WAIVER (“Fi

December 31, 2020 S-1/A

- FORM S-1/A (AMENDMENT #2)

Form S-1/A (Amendment #2) As filed with the Securities and Exchange Commission on December 31, 2020.

December 31, 2020 EX-10.17

Second Amended & Restated Landfill Gas Rights & Production Facilities Agreement, by and between County of Orange and Bowerman Power LFG, LLC (incorporated by reference to Exhibit 10.17 to Amendment No. 2 to our Registration Statement on Form S-1 (File No. 333-251312), filed December 31, 2021)

EX-10.17 Exhibit 10.17 CERTAIN INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. THE OMITTED PORTIONS OF THIS DOCUMENT ARE INDICATED BY [***]. SECOND AMENDED & RESTATED LANDFILL GAS RIGHTS & PRODUCTION FACILITIES AGREEMENT Frank R. Bowerman Landfill Contract / Folder Number: [***] TABLE O

December 31, 2020 EX-10.21

Base Contract for Sale and Purchase of Natural Gas, dated as of August 24, 2018, by and between Trillium Transportation Fuels, LLC and GSF Energy, LLC

EX-10.21 Exhibit 10.21 Base Contract for Sale and Purchase of Natural Gas This Base Contract is entered into as of the following date: August 24, 2018 The parties to this Base Contract are the following: PARTY A (“Seller”) PARTY NAME PARTY B (“Buyer”) GSF Energy, LLC Trillium Transportation Fuels, LLC 680 Andersen Drive Foster Plaza 10, 5th Floor Pittsburgh, PA 15220 ADDRESS 2929 Allen Parkway, Su

December 31, 2020 EX-10.38

First Amendment to Transaction Confirmation, dated as of February 7, 2018, by and between BP Energy Company and BP Products North America Inc. (formerly Clean Energy Renewable Fuels, LLC) and TX LFG Energy, LP

EX-10.38 Exhibit 10.38 CERTAIN INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. THE OMITTED PORTIONS OF THIS DOCUMENT ARE INDICATED BY [***]. FIRST AMENDMENT Dated as of February 7, 2018 to the TRANSACTION CONFIRMATION Dated as of February 27, 2017 between TX LFG Energy, LP (“Seller”) an

December 31, 2020 EX-10.32

Amendment to Transaction Confirmation, dated as of May 24, 2016, by and between Shell Energy North America (US), L.P. and GSF Energy, LLC

EX-10.32 Exhibit 10.32 May 24, 2016 Shell Energy North America (US), L.P. 1000 Main Street, Level 12 Houston, Texas 77002 Attention: Thomas Moffett and Tommy Thach GSF Energy, L.L.C. 680 Andersen Drive Foster Plaza 10, 5th Floor Pittsburg, PA 15220 Dear Sirs: Re: Transaction Confirmation dated May 6, 2016 between GSF Energy, LLC and Shell Energy North America (US), L.P. (the “Transaction Confirmat

December 31, 2020 EX-10.24

Third Amended and Restated Gas Lease Agreement, dated January 1, 2018, by and between Rumpke Sanitary Landfill, Inc. and GSF Energy, LLC (incorporated by reference to Exhibit 10.24 to Amendment No. 2 to our Registration Statement on Form S-1 (File No. 333-251312), filed December 31, 2021)

EX-10.24 Exhibit 10.24 CERTAIN INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF PUBLICLY DISCLOSED. THE OMITTED PORTIONS OF THIS DOCUMENT ARE INDICATED BY “[***]”. THIRD AMENDED AND RESTATED GAS LEASE AGREEMENT THIS THIRD AMENDED AND RESTATED GAS LEASE AGREEMENT (“Agreement”), effective as of January 1, 201

December 23, 2020 EX-3.2

Certificate of Amendment to the Certificate of Incorporation of Montauk Renewables, Inc., to be in effect immediately prior to the Reorganization Transactions

EX-3.2 Exhibit 3.2 CERTIFICATE OF AMENDMENT TO THE CERTIFICATE OF INCORPORATION OF MONTAUK RENEWABLES, INC. Pursuant to Section 242 of the General Corporation Law of the State of Delaware, Montauk Renewables, Inc. (the “Corporation”), a corporation organized and existing under the laws of the State of Delaware, does hereby certify as follows: 1. The Board of Directors of the Corporation, by unanim

December 23, 2020 CORRESP

-

500 GRANT STREET, SUITE 4500 ? PITTSBURGH, PENNSYLVANIA 15219.2514 TELEPHONE: +1.412.391.3939 ? FACSIMILE: +1.412.394.7959 DIRECT NUMBER: (412) 394-9547 [email protected] December 23, 2020 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance Office of Energy & Transportation 100 F Street, N.E. Mail Stop 3720 Washington, D.C. 20549 Attention: Loan Lauren Ngu

December 23, 2020 EX-3.3

Form of Amended and Restated Certificate of Incorporation of Montauk Renewables, Inc., to be in effect prior to the consummation of the offering made under this registration statement

EX-3.3 Exhibit 3.3 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF MONTAUK RENEWABLES, INC. Montauk Renewables, Inc., a corporation organized and existing under the laws of the State of Delaware (the “Company”) hereby certifies as follows: 1. The name of the Company is Montauk Renewables, Inc., formerly incorporated as Montauk Energy, Inc. The Company’s original Certificate of Incorporation w

December 23, 2020 EX-10.7

Form of Indemnity Letter between Montauk Renewables, Inc. and each of its current directors and executive officers

Exhibit 10.7 FORM OF INDEMNITY LETTER [Date] [Full Name] Re: Montauk Renewables, Inc. [Mr./Ms.] [Last Name] Thank you for serving as a Director and Officer of Montauk Renewables, Inc. (the “Company”). The Company is providing you this letter to summarize certain indemnification protections that pertain to the performance of your responsibilities as a Director and Officer of the Company. Montauk Ho

December 23, 2020 S-1/A

- S-1/A

S-1/A Table of Contents As filed with the Securities and Exchange Commission on December 23, 2020.

December 11, 2020 EX-10.8

Form of Indemnification Agreement between Montauk Renewables, Inc. and each of its directors and executive officers

EX-10.8 Exhibit 10.8 FORM OF INDEMNIFICATION AGREEMENT [Date] [Full Name] Re: Montauk Renewables, Inc. [Mr./Ms.] [Last Name] Thank you for serving as a Director and Officer of Montauk Renewables, Inc. (the “Company”). The Company is providing you this letter to summarize certain indemnification protections that pertain to the performance of your responsibilities as a Director and Officer of the Co

December 11, 2020 CORRESP

-

500 GRANT STREET, SUITE 4500 ? PITTSBURGH, PENNSYLVANIA 15219.2514 TELEPHONE: +1.412.391.3939 ? FACSIMILE: +1.412.394.7959 DIRECT NUMBER: (412) 394-9547 [email protected] December 11, 2020 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance Office of Energy & Transportation 100 F Street, N.E. Mail Stop 3720 Washington, D.C. 20549 Attention: Loan Lauren Ngu

December 11, 2020 EX-10.9

Employment Agreement, effective September 25, 2019, between Montauk Energy Holdings LLC and Sean F. McClain

EX-10.9 Exhibit 10.9 EMPLOYMENT AGREEMENT THIS EMPLOYMENT AGREEMENT (the “Agreement”) is made and entered into to be effective as of September 25, 2019, by and between Montauk Energy Holdings, LLC (the “Company”), and Sean F. McClain (“Employee”). On the terms and conditions hereinafter set forth, the Company desires to employ the Employee, and the Employee desires to be employed by the Company in

December 11, 2020 EX-21.1

List of subsidiaries of Montauk Renewables, Inc.

EX-21.1 Exhibit 21.1 Subsidiary of Montauk Renewables, Inc. State of Organization Montauk Energy Holdings, LLC Delaware Apex LFG Energy, LLC Delaware Bowerman Power LFG, LLC Delaware Galveston LFG, LLC Delaware GSF Energy, L.L.C. Delaware Johnstown LFG Holdings, Inc. f/k/a Leaf LFG Investments, Inc. Delaware Johnstown Regional Energy, LLC Pennsylvania MEDC, LLC Delaware MH Energy, LLC Delaware MH

December 11, 2020 EX-3.4

Form of Amended and Restated Bylaws of Montauk Renewables, Inc., to be in effect prior to the consummation of the offering made under this registration statement

EX-3.4 Exhibit 3.4 FORM OF MONTAUK RENEWABLES, INC. BYLAWS As Adopted and Effective on , 2021 TABLE OF CONTENTS Page STOCKHOLDERS MEETINGS 1 1. Time and Place of Meetings 1 2. Annual Meetings 1 3. Special Meetings 1 4. Notice of Meetings 1 5. Inspectors 2 6. Quorum 2 7. Voting; Proxies 2 8. Order of Business 2 9. Notice of Stockholder Proposals 3 10. Notice of Director Nominations 5 11. Additional

December 11, 2020 EX-10.4

Form of Restricted Stock Unit Award Agreement (Employees)

EX-10.4 Exhibit 10.4 MONTAUK RENEWABLES, INC. NOTICE OF GRANT OF RESTRICTED STOCK UNITS (Employees) Montauk Renewables, Inc. (the “Company”) hereby grants to the Participant the number of Restricted Stock Units (“RSUs”) set forth below under the Montauk Renewables, Inc. Equity and Incentive Compensation Plan (the “Plan”). The RSUs are subject to all of the terms and conditions in this Notice of Gr

December 11, 2020 EX-10.2

Form of Key Employee Separation Plan (incorporated by reference to Exhibit 10.2 of our Registration Statement on Form S-1 (File No. 333-251312), filed December 11, 2020)

EX-10.2 Exhibit 10.2 Form of Plan Document and Summary Plan Description of the Montauk Renewables, Inc. Key Employee Separation Plan Effective January [], 2021 - 1 - MONTAUK RENEWABLES, INC. KEY EMPLOYEE SEPARATION PLAN ARTICLE 1. INTRODUCTION 1.1 Purpose. The purpose of this Montauk Renewables, Inc. Key Employee Separation Plan is to assist the Company in retaining the services of key employees b

December 11, 2020 EX-2.1

Transaction Implementation Agreement, dated as of November 6, 2020, between Montauk Renewables, Inc., Montauk Holdings Limited and Montauk Holdings USA, LLC

EX-2.1 Exhibit 2.1 TRANSACTION IMPLEMENTATION AGREEMENT BY AND BETWEEN MONTAUK HOLDINGS LIMITED, MONTAUK HOLDINGS USA, LLC AND MONTAUK RENEWABLES, INC. DATED NOVEMBER 6, 2020 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 2 ARTICLE II THE REORGANIZATION TRANSACTIONS 7 2.1 Pre-Distribution Restructuring 7 2.2 Approvals and Notifications 8 2.3 Treatment of Guarantees and Security Interests 8 2.4 Termi

December 11, 2020 EX-10.11

Employment Agreement, effective September 24, 2019, between Montauk Energy Holdings LLC and James A. Shaw

EX-10.11 Exhibit 10.11 November 6, 2019 Jim Shaw Re: Summary of Employment Terms Dear Jim, This letter is intended to memorialize the understanding of the changes to your employment arrangement with Montauk Energy Holdings, LLC (the “Company”) from North Regional Operations Manager to your new position as Vice President of Operations. All other terms of your employment will remain unchanged. To th

December 11, 2020 EX-10.13

Second Amended and Restated Revolving Credit and Term Loan Agreement, dated as of December 12, 2018, by and among Montauk Energy Holdings LLC, the financial institutions from time to time party thereto, as lenders, and Comerica Bank, as administrative agent, sole lead arranger and sole book runner

EX-10.13 Exhibit 10.13 MONTAUK ENERGY HOLDINGS, LLC SECOND AMENDED AND RESTATED REVOLVING CREDIT AND TERM LOAN AGREEMENT DATED AS OF DECEMBER 12, 2018 COMERICA BANK AS ADMINISTRATIVE AGENT, SOLE LEAD ARRANGER AND SOLE BOOKRUNNER, M&T BANK AS SYNDICATION AGENT AND CHEMICAL BANK AS DOCUMENTATION AGENT TABLE OF CONTENTS Page 1. DEFINITIONS 1 1.1 Certain Defined Terms 1 2. REVOLVING CREDIT 35 2.1 Comm

December 11, 2020 EX-10.7

Form of Option Cancellation Agreement

EX-10.7 Exhibit 10.7 [Date] PERSONAL AND CONFIDENTIAL [Name] [Address] Dear [Name]: As you are aware, Montauk Renewables, Inc. (“Montauk Renewables”), a company formed at the direction of Montauk Holdings Limited (the “Company”), is in the process of conducting an initial public offering of its stock (the “IPO”). We understand that, in anticipation of the IPO and in consideration for your employme

December 11, 2020 EX-3.1

Certificate of Incorporation of Montauk Renewables, Inc., as currently in effect

EX-3.1 Exhibit 3.1 CERTIFICATE OF INCORPORATION OF MONTAUK ENERGY, INC. A STOCK CORPORATION I, the undersigned, for the purpose of incorporating and organizing a corporation under the General Corporation Law of the State of Delaware, do hereby certify as follows: FIRST: The name of the corporation (the “Corporation”) is: Montauk Energy, Inc. SECOND: The address of the Corporation’s registered offi

December 11, 2020 EX-3.2

Form of Amended and Restated Certificate of Incorporation of Montauk Renewables, Inc., to be in effect prior to the consummation of the offering made under this registration statement

EX-3.2 Exhibit 3.2 FORM OF AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF MONTAUK RENEWABLES, INC. Montauk Renewables, Inc., a corporation organized and existing under the laws of the State of Delaware (the “Company”) hereby certifies as follows: 1. The name of the Company is Montauk Renewables, Inc., formerly incorporated as Montauk Energy, Inc. The Company’s original Certificate of Incorpo

December 11, 2020 S-1

Form S-1

S-1 Table of Contents As filed with the Securities and Exchange Commission on December 11, 2020.

December 11, 2020 EX-10.15

Second Amendment, dated as of September 12, 2019, to the Second Amended and Restated Revolving Credit and Term Loan Agreement, dated as of December 12, 2018, by and among Montauk Energy Holdings LLC, the financial institutions from time to time party thereto, as lenders, and Comerica Bank, as administrative agent, sole lead arranger and sole book runner

EX-10.15 Exhibit 10.15 SECOND AMENDMENT TO SECOND AMENDED AND RESTATED REVOLVING CREDIT AND TERM LOAN AGREEMENT This Second Amendment to Second Amended and Restated Revolving Credit and Term Loan Agreement (“Second Amendment”) is made as of September 12, 2019, by and among Montauk Energy Holdings, LLC (“Borrower”), the Lenders (as defined below) signatory hereto and Agent (as defined below). RECIT

December 11, 2020 EX-10.14

First Amendment, dated as of March 21, 2019, to the Second Amended and Restated Revolving Credit and Term Loan Agreement, dated as of December 12, 2018, by and among Montauk Energy Holdings LLC, the financial institutions from time to time party thereto, as lenders, and Comerica Bank, as administrative agent, sole lead arranger and sole book runner

EX-10.14 21 d939445dex1014.htm EX-10.14 Exhibit 10.14 FIRST AMENDMENT TO SECOND AMENDED AND RESTATED REVOLVING CREDIT AND TERM LOAN AGREEMENT This First Amendment to Second Amended and Restated Revolving Credit and Term Loan Agreement (“First Amendment”) is made as of March 21, 2019, by and among Montauk Energy Holdings, LLC (“Borrower”), the Lenders (as defined below) signatory hereto and Agent (

December 11, 2020 EX-10.1

Form of Montauk Renewables, Inc. Equity and Incentive Compensation Plan

EX-10.1 Exhibit 10.1 FORM OF MONTAUK RENEWABLES, INC. EQUITY AND INCENTIVE COMPENSATION PLAN 1. Purpose. The purpose of this Plan is to permit the grant of awards to non-employee Directors, officers and other employees of the Company and its Subsidiaries, and certain Consultants to the Company and its Subsidiaries, and to provide to such persons incentives and rewards for service and/or performanc

December 11, 2020 EX-10.39

Administrative Services Agreement, effective as of December 15, 2014, by and among HCI Managerial Services Proprietary Limited and Montauk Holdings Limited

EX-10.39 23 d939445dex1039.htm EX-10.39 Exhibit 10.39 HCI Managerial Services (Pty) Ltd Suite 801 76 Regent Road Sea Point 8005 Montauk Holdings Ltd Suite 801 76 Regent Road Sea Point 8005 Dear Sir LETTER OF APPOINTMENT FOR THE PROVISION OF ADMINISTRATIVE SERVICES TO MONTAUK HOLDINGS LIMITED (“LETTER OF APPOINTMENT”) This Letter of Appointment serves to confirm the appointment of HCI Managerial Se

December 11, 2020 EX-10.6

Form of Restricted Stock Agreement

EX-10.6 Exhibit 10.6 MONTAUK RENEWABLES, INC. NOTICE OF GRANT OF RESTRICTED STOCK (Employees) Montauk Renewables, Inc. (the “Company”) hereby grants to the Participant the number of shares of Restricted Stock (“Restricted Shares”) set forth below under the Montauk Renewables, Inc. Equity and Incentive Compensation Plan (the “Plan”). The Restricted Shares are subject to all of the terms and conditi

December 11, 2020 EX-10.10

Employment Agreement, effective September 25, 2019, between Montauk Energy Holdings LLC and Kevin A. Van Asdalan

EX-10.10 Exhibit 10.10 November 6, 2019 Kevin Van Asdalan Re: Summary of Employment Terms Dear Kevin, This letter is intended to memorialize the understanding of the changes to your employment arrangement with Montauk Energy Holdings, LLC (the “Company”) from Controller to your new position as Chief Financial Officer. All other terms of your employment will remain unchanged. To that end, I am very

December 11, 2020 EX-10.12

Severance Agreement, effective September 30, 2019, between Montauk Energy Holdings LLC and Martin L. Ryan

EX-10.12 Exhibit 10.12 CONFIDENTIAL SEVERANCE AGREEMENT AND GENERAL RELEASE OF CLAIMS THIS CONFIDENTIAL SEVERANCE AGREEMENT AND GENERAL RELEASE OF CLAIMS (this “Release”) is between Martin L. Ryan (the “Employee”) and Montauk Energy Holdings, LLC, a Delaware limited liability company (“Montauk”) with its principal offices located at 680 Andersen Drive, Suite 580, Pittsburgh, PA 15220. WHEREAS, Emp

December 11, 2020 EX-10.3

Form of Nonqualified Stock Option Agreement

EX-10.3 Exhibit 10.3 MONTAUK RENEWABLES, INC. NOTICE OF GRANT OF NONQUALIFIED STOCK OPTION (Employees) Montauk Renewables, Inc. (the “Company”) hereby grants to Optionee an Option Right (the “Option”) to purchase the number of shares of Common Stock set forth below under the Montauk Renewables, Inc. Equity and Incentive Compensation Plan (the “Plan”). The Option is subject to all of the terms and

December 11, 2020 EX-10.5

Form of Restricted Stock Unit Award Agreement (Non-Employee Directors)

EX-10.5 Exhibit 10.5 MONTAUK RENEWABLES, INC. NOTICE OF GRANT OF RESTRICTED STOCK UNITS (Non-Employee Directors) Montauk Renewables, Inc. (the “Company”) hereby grants to the Participant the number of Restricted Stock Units (“RSUs”) set forth below under the Montauk Renewables, Inc. Equity and Incentive Compensation Plan (the “Plan”). The RSUs are subject to all of the terms and conditions in this

December 11, 2020 EX-3.3

Bylaws of Montauk Renewables, Inc., as currently in effect

EX-3.3 Exhibit 3.3 MONTAUK RENEWABLES, INC. AMENDED AND RESTATED BYLAWS October 9, 2020 TABLE OF CONTENTS Page ARTICLE I MEETINGS OF STOCKHOLDERS 1 Section 1. Time and Place of Meetings 1 Section 2. Annual Meeting 1 Section 3. Special Meetings 1 Section 4. Notice of Meetings 1 Section 5. Quorum 2 Section 6. Voting 2 Section 7. Action Without Meeting 3 ARTICLE II DIRECTORS 5 Section 1. Powers 5 Sec

October 14, 2020 DRS

-

DRS Table of Contents Confidential Treatment Requested by Montauk Renewables, Inc.

Other Listings
ZA:MKR ZAR 3,673.00
Fintel data has been cited in the following publications:
Daily Mail Fox Business Business Insider Wall Street Journal The Washington Post Bloomberg Financial Times Globe and Mail
NASDAQ.com Reuters The Guardian Associated Press FactCheck.org Snopes Politifact
Federal Register The Intercept Forbes Fortune Magazine TheStreet Time Magazine Canadian Broadcasting Corporation International Business Times
Cambridge University Press Investopedia MarketWatch NY Daily News Entrepreneur Newsweek Barron's El Economista