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 ☐ 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: 001-39919 MONTAUK RENEWABLES, INC. (Exact name of registrant as specified in its charter) Delaware 85-3189583 (State or Other Jurisdiction of Incorporation or (IR ...

Investor Presentation 2Q 2021 AUGUST 16, 2021 Disclaimers and Confidentiality This presentation contains "forward-looking statements" within the meaning of U.S. federal securities laws that involve substantial risks and uncertainties. All statements other than statements of historical or current fact included in this report are forward-looking statements. Forward-looking statements refer to our current expectations and projections relating to our financial condition, results of operations, plans, objectives ...

Montauk Renewables, Inc. (NASDAQ:MNTK) Q2 2021 Results Earnings Conference Call August 16, 2021 5:00 PM ET Company Participants John Ciroli - Vice President, General Counsel & Secretary Sean McClain - Chief Executive Officer & President Kevin Van Asdalan - Chief Financial Office Conference Call Participants Operator Good afternoon, everyone. And thank you for participating in today's Conference Call. I would now like to turn the call over to Mr John Ciroli as he reads the company's safe harbor statement wit ...

Company Operations - Montauk Renewables operates 15 projects across multiple states, focusing on converting biogas into Renewable Natural Gas (RNG) and Renewable Electricity [108]. - The company expects increased production from existing projects as landfills take in more waste, although delays in new projects could impact production timelines [117]. - Key drivers for long-term growth in RNG include the potential for sustained growth in biogas conversion from waste sources and the company's established relationships with landfill owners [175]. Financial Performance - Total revenues for Q2 2021 were $31,674, an increase of $3,766 (13.5%) compared to $27,908 in Q2 2020, primarily driven by higher revenues under counterparty sharing agreements [129]. - Renewable Natural Gas (RNG) total revenues increased to $27,581, up $4,203 (18.0%) from $23,378 in Q2 2020, despite a decrease in RNG production volumes to 1,416 MMBtu, down 126 MMBtu (8.2%) from 1,542 MMBtu [126][131]. - Total operating revenues for the first six months of 2021 were $63,121, an increase of $16,809 (36.3%) compared to $46,312 in the first six months of 2020 [153]. - Renewable Natural Gas revenues in the first six months of 2021 were $55,704, an increase of $18,900 (51.4%) compared to $36,804 in the first six months of 2020 [155]. Production and Pricing - The company reported a 29.1% increase in RNG production volumes in Q1 2021 compared to Q1 2020, attributed to the commissioning of a new engine [117]. - Average realized price for RINs increased to $1.78, a rise of $0.41 (29.9%) compared to $1.37 in Q2 2020, while the average D3 RIN index price was $3.06, more than double the previous year's average [131]. - Average realized RIN pricing during the first six months of 2021 was $1.77, a 66.6% increase compared to $1.06 in the first six months of 2020 [153]. Operating Expenses - Operating expenses for Q2 2021 totaled $32,211, an increase of $7,865 (32.3%) compared to $24,346 in Q2 2020, with general and administrative expenses rising by $3,576 (95.0%) to $7,341 [128][136]. - Operating and maintenance expenses for RNG facilities increased to $10,159, up $3,056 (43.0%) compared to $7,103 in Q2 2020, primarily due to costs associated with development sites commissioned in 2020 [137]. - Total operating expenses for the first six months of 2021 were $75,860, an increase of $30,328 (66.6%) compared to $45,532 in the first six months of 2020 [152]. Net Loss and Adjusted EBITDA - Net loss for Q2 2021 was $4,652, compared to a net loss of $1,583 in Q2 2020, representing an increase in loss of $3,069 (193.9%) year-over-year [128]. - Adjusted EBITDA for the six months ended June 30, 2021 was $(637,000), a significant decrease from $12,062,000 in the same period of 2020 [181]. - Operating loss in Q2 2021 was $537, a decrease of $4,099 (115.0%) compared to an operating profit of $3,562 in Q2 2020 [148]. Cash Flow and Capital Expenditures - The company generated $11,245,000 in net cash flows from operating activities for the first six months of 2021, representing a 34.3% increase from $8,370,000 in the first six months of 2020 [190]. - Capital expenditures for the first six months of 2021 were $4,469,000, down from $10,454,000 in the same period of 2020 [191]. - The company expects 2021 capital expenditures to range between $8,500,000 and $9,500,000, including $5,000,000 for optimization projects [189]. Debt and Financial Obligations - The company had total debt of $61,698,000 as of June 30, 2021, a decrease from $66,697,000 at December 31, 2020 [183]. - The company is required to maintain a Fixed Charge Coverage Ratio of not less than 1.2 to 1.0 under its Amended Credit Agreement [189]. - As of the first six months of 2021, the company had approximately $5,765 million of off-balance sheet arrangements in outstanding letters of credit, which reduced the borrowing capacity of its revolving credit facility [210]. Impairment and Tax Rate - The company recorded an impairment loss of $626,000 during the six months ended June 30, 2021 related to a landfill facility decommissioning [181]. - The effective tax rate for Q2 2021 was (267%), lower than the 160% rate for Q2 2020, primarily due to disallowance of officers' compensation [147]. - The effective tax rate for the first six months of 2021 was (34%), significantly lower than the 282% rate for the same period in 2020 [172]. Market and Regulatory Environment - Revenues are influenced by market pricing and regulatory developments, with a focus on managing production volumes and operating expenses [116]. - Environmental Attributes, including RINs and LCFS credits, significantly contribute to revenues, with realized average RIN prices in the first half of 2021 at approximately $1.77, below the D3 RIN index of $2.80 [120]. - The dairy farm project is anticipated to generate LCFS credits at a multiple of those from landfill projects, with more information expected in 2022 [119]. Miscellaneous - The company is classified as an emerging growth company under the JOBS Act, allowing it to delay the adoption of new accounting standards [212]. - There have been no material changes in market risk disclosures since the 2020 Annual Report [214].

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☐ 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: 001-39919 MONTAUK RENEWABLES, INC. (Exact name of registrant as specified in its charter) or Delaware 85-3189583 (St ...

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 Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securit ...