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 2026
Dollar amounts presented herein are in United States Dollars
SALIENT FEATURES
| 2026 Six months | 2025 Six months Ended 30 June | Percentage change | ||||||||||||||
| Revenue | ($ | ‘000 | ) | 100 447 | 87 730 | 14 | % | |||||||||
| EBITDA | ($ | ‘000 | ) | 21 066 | 11 360 | 85 | % | |||||||||
| Headline earnings/(loss) | ($ | ‘000 | ) | 1 084 | (4 008 | ) | 127 | % | ||||||||
| Earnings/(loss) per share | ($ | ) | 0.00 | (0.04 | ) | 100 | % | |||||||||
| Headline earnings/(loss) per common share | ($ | ) | 0.01 | (0.03 | ) | 133 | % | |||||||||
| Net asset value per common share | ($ | ) | 1.85 | 1.78 | 4 | % | ||||||||||
DECLARATION OF CASH DIVIDEND
The directors have resolved not to declare a final dividend to focus financial resources on the continued development of the Company’s operations portfolio.
USE OF NON-GAAP MEASURES
This report was prepared for the purpose of complying with the reporting requirements of the Johannesburg Stock Exchange and includes certain non-GAAP measures, such as headline earnings and headline earnings per common share, and related reconciliations.
Reconciliation of headline earnings
| 2026 Six months Ended 30 June | 2025 Six months Ended 30 June | |||||||||||||||
| Gross $‘000 | Net $‘000 | Gross $‘000 | Net $‘000 | |||||||||||||
| Net income/(loss) attributable to common shareholders | 231 | (5 951 | ) | |||||||||||||
| Adjustments | ||||||||||||||||
| (Gain) /loss on disposal of plant and Equipment | (13 | ) | (10 | ) | 36 | 28 | ||||||||||
| Impairment of plant and equipment | 1 093 | 863 | 2 424 | 1 915 | ||||||||||||
| Headline earnings/(loss) | 1 084 | (4 008 | ) | |||||||||||||
| Basic and headline earnings/(loss) per common share (US Dollars) | ||||||||||||||||
| Earnings/(loss) | 0.00 | (0.04 | ) | |||||||||||||
| Headline earnings/(loss) | 0.01 | (0.03 | ) | |||||||||||||
| Weighted-average common shares outstanding (‘000)(1) | 143 245 | 142 875 | ||||||||||||||
| Diluted earnings/(loss) per common share (US Dollars) | ||||||||||||||||
| Earnings/(loss) | 0.00 | (0.04 | ) | |||||||||||||
| Headline earnings/(loss) | 0.01 | (0.03 | ) | |||||||||||||
| Weighted-average common shares outstanding for diluted (‘000) | 143 917 | 142 875 | ||||||||||||||
| (1) | The common share outstanding as of June 30, 2026 is as reported in the quarterly report on Form 10-Q for the fiscal quarter ended June 30, 2026, filed with the Securities and Exchange Commission on August 5, 2026. |
FORM 10-Q QUARTERLY REPORT and FORM 8-K CURRENT REPORT
Pursuant to Section 13 or 15 (d) of the Securities Exchange Act of 1934, Montauk Renewables stockholders are advised that a Form 10-Q and Form 8-K has been filed with the SEC. The Form 10-Q disclose the quarterly results and related disclosures for the quarterly period ended 30 June 2026. The Form 8-K discloses the press release announcing the quarterly results for the second quarter ended 30 June 2026.
A copy of the Form 10-Q can be found at:
https://www.sec.gov/ix?doc=/Archives/edgar/data/0001826600/000119312526335335/mntk-20260630.htm
A copy of the Form 8-K can be found at:
https://www.sec.gov/ix?doc=/Archives/edgar/data/0001826600/000119312526335293/mntk-20260805.htm
DIRECTORS’ STATEMENT
This short-form announcement is the responsibility of the Company’s Board of Directors.
The financial information is only a summary and does not contain full details of the financial results. Any investment decisions by investors and/or shareholders should be based on information contained in the full announcement, accessible from August 6, 2026, via the JSE link https://senspdf.jse.co.za/documents/2026/jse/isse/MKRE/HY26.pdf. The full announcement is also available on the Company’s website https://ir.montaukrenewables.com/ to comply with paragraph 6.35(c)(i) of the JSE Listings Requirements.
August 6, 2026
Directors: JA Copelyn (Chairman)*###, SF McClain (Chief Executive Officer)#,
MH Ahmed*###, TG Govender*###, J Cunningham*#, Y Shaik* ###
| * | Non-executive; #United States of America; ### Republic of South Africa |
Company secretary: J Ciroli
Registered office: 5313 Campbells Run Road, Suite 200, Pittsburgh, PA 15205
Website: https://ir.montaukrenewables.com/
Montauk Renewables is primary listed on the Nasdaq and secondary listed on the JSE.
Sponsor:
Investec Bank Limited