Form 10-Q Quarterly Report 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”) FORM 10-Q QUARTERLY REPORT Pursuant to Section 13 or 15 (d) of the Securities Exchange Act of 1934, Montauk Renewables shareholders are advised that a Form 10-Q has been filed with the SEC. The Form 10-Q disclose the quarterly results and related disclosures for the quarterly period ended 30 June 2021. A copy of all filings can be found at: https://www.sec.gov/Archives/edgar/data/1826600/000119312521247857/0001193125-21-247857-index.htm Montauk Renewables is primary listed on the Nasdaq and secondary listed on the JSE. Pittsburgh, PA USA 17 August 2021 Sponsor Investec Bank Limited Date: 17-08-2021 09:05:00 Produced by the JSE SENS Department. The SENS service is an information dissemination service administered by the JSE Limited ('JSE'). The JSE does not, whether expressly, tacitly or implicitly, represent, warrant or in any way guarantee the truth, accuracy or completeness of the information published on SENS. The JSE, their officers, employees and agents accept no liability for (or in respect of) any direct, indirect, incidental or consequential loss or damage of any kind or nature, howsoever arising, from the use of SENS or the use of, or reliance on, information disseminated through SENS.