Company: VIST
Filing Date: 2025-04-16
Form Type: 6-K
Source: 0001193125-25-082223
Chunk: 30

Company: Vista Energy, S.A.B. de C.V.
Filing Date: 2025-04-16
Form: 6-K
Chunk 30
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 with no par value.

The variable portion of our capital stock is unlimited. As of the date of this disclosure document, the variable portion of our capital stock
is represented by 105,448,223 outstanding shares, which shall not exceed 106,078,533 shares.

Significant Changes in Financial Statements

The Company deems that, since the publication of the Issuer’s annual report for the year ended December 31, 2024, filed before the
CNBV and the BMV on April 9, 2025, and which is available on Vista’s website at http://www.vistaenergy.com and on the Mexican Stock Exchange at www.bmv.com.mx, there have been no significant changes in its consolidated financial statements
or in the accounting policies applicable to the preparation thereof.

Vista Argentina

Corporate Name

Vista
Energy Argentina S.A.U.

Company Overview

Vista Argentina subsidiary of the Issuer, is an Argentine company dedicated to the exploration and production of hydrocarbons and the
commercialization of oil, natural gas and NGL, with offices in Buenos Aires and Neuquén. As of December 31, 2024, Vista Argentina held (i) 100% of the operating rights of the Bajada del Palo Oeste and Bajada del Palo exploitation
concessions, located in the Province of Neuquén; (ii) 84.62% in the operating rights of the Coirón Amargo Norte concession, in the Province of Neuquén; (iii) 50% of the operating rights in the unconventional exploitation
concessions in Aguada Federal and Bandurria Norte, located in the Province of Neuquén

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(AFBN, another subsidiary of Vista, owns the remaining 50% of both concessions) Neuquén; (iv) 90% of the operating rights in the unconventional exploitation concession in the Águila Mora block, in the Province of Neuquén; (v) a non-operatingworking interest of 1.50% in the operating rights of the Acambuco concession, in the Province of Salta, operated by Pan American Energy. As a result of the Conventional Assets Transaction, the operations of six conventional assets in Argentina were transferred as of March 1, 2023, and Vista has the right to retain 40% of crude oil production and 100% of natural gas and liquefied petroleum gas, gasoline and condensate production from said concessions. As