On August 11th, Vista Energy Argentina S.A.U. ("Vista") successfully issued Series XXI Notes – simple, non-convertible into shares, denominated in U.S. Dollars and payable in Pesos at the Applicable Exchange Rate – for a total nominal amount of $70,000,000 (the “Series XXI Notes”). The issuance was carried out under the company’s Global Program of up to US$800,000,000.

Series XXI Notes, maturing on August 11th, 2028, will accrue interest at a nominal annual fixed rate, equivalent to 0.99% and will amortize its principal in one payment on the maturing date.

Additionally, Series XXI Notes were admitted for listing on Bolsas y Mercados Argentinos S.A., and authorized for trading at Mercado Abierto Electrónico S.A. On August 4th, Moody’s Local AR Agente de Calificación de Riesgo S.A. and FIX SCR S.A. Agente de Calificación de Riesgo (Fitch Ratings affiliate) locally rated Series XXI Notes as “AAA.ar” and “AAA(arg)”, respectively, with a stable outlook.

In this Notes issuance, Allaria S.A.; BACS Banco de Crédito y Securitización S.A.; Balanz Capital Valores S.A.U.; Banco BBVA Argentina S.A.; Banco Comafi S.A.; Banco de Galicia y Buenos Aires S.A.U.; Banco de la Provincia de Buenos Aires; Banco Hipotecario S.A.; Banco Itaú Argentina S.A.; Banco Mariva S.A..; Facimex Valores S.A.; Invertir en Bolsa S.A.; Itaú Valores S.A.; Macro Securities S.A.U.; Max Capital S.A.; and SBS Trading S.A. acted as placement agents (all together, the “Placement Agents”.

Counsel to Vista

Bruchou & Funes de Rioja: team led by José María Bazán, assisted by Ramón Augusto Poliche, Josefina Mortola Saiach and Branko Serventich.

In-house counsel: Florencia Hardoy y Rosario Maffrand.

Counsel to Placement Agents

Beccar Varela: team led by Luciana Denegri, assisted by María Victoria Pavani and María Belén Tschudy.