Vista estimates 67 MMboe of proved reserves in Bandurria Sur, Bajo del Toro blocks

• Vista reported estimated proved (P1) reserves of 66.8 MMboe in Bandurria Sur and Bajo del Toro, based on Dec. 31, 2025.
• Bandurria Sur net proved reserves estimated at 52 MMboe; net proved developed 38 MMboe; net proved undeveloped 14 MMboe.
• Bajo del Toro net proved reserves estimated at 15 MMboe; net proved developed 3 MMboe; net proved undeveloped 12 MMboe.
• Transaction closed May 7, 2026, securing non-operated stakes of 25.1% in Bandurria Sur and 35% in Bajo del Toro.
• Total net proved reserves rose to 655 MMboe on a pro forma basis, versus 588 MMboe before the transaction.

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 on September 08, 2026, and is solely responsible for the information contained therein.