• Vista estimated 67 MMboe of proved (P1) reserves in Bandurria Sur and Bajo del Toro, acquired May 7, 2026.
• Bandurria Sur P1 reserves totaled 52 MMboe, including 38 MMboe proved developed, as of Dec. 31, 2025.
• Bajo del Toro P1 reserves totaled 15 MMboe, including 3 MMboe proved developed, as of Dec. 31, 2025.
• Pro forma net proved reserves rose 11% to 655 MMboe, from 588 MMboe, as of Dec. 31, 2025.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Vista Energy SAB de CV published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001193125-26-384346), on September 08, 2026, and is solely responsible for the information contained therein.