Summary of Resolutions from Vista Energy's Annual Ordinary General Shareholders' Meeting

The shareholders of Vista Energy, S.A.B. de C.V. convened for their Annual Ordinary General Meeting on April 28th, 2026. Key resolutions included the ratification of a capital stock reduction amounting to US$156,587,498 due to losses incurred up to October 31, 2025. Shareholders also approved the CEO's report, including the company's financial statements for the year ending December 31, 2025, along with the Board of Directors' opinion and the external auditor's report. Additionally, the Board of Directors' reports on accounting policies, operations, and share acquisition/disposition policies were approved. A compensation plan for Board members for 2026 was approved, including fees, share-based incentives, and additional payments for committee chairs, contingent on meeting attendance requirements. A maximum of US$150,000,000 was approved for share repurchases in fiscal year 2026, with any remaining amount potentially usable in 2027. Finally, delegates were appointed to formalize these resolutions.