Company: VIST
Filing Date: 2025-04-16
Form Type: 6-K
Source: 0001193125-25-082223
Chunk: 8

Company: Vista Energy, S.A.B. de C.V.
Filing Date: 2025-04-16
Form: 6-K
Chunk 8
---
 are inherently imprecise, but generally indicate size and position and market share within our markets. While we
are not aware of any misstatements presented herein regarding our industry’s data, our estimates involve risks and uncertainties and are subject to change based on various factors, including those discussed in the “RISK FACTORS” section.

5

DEFINED TERMS

Capitalized terms used in this disclosure document have the following meanings, which are applicable to both the singular and plural forms of
such terms:

“Aconcagua” means Petrolera Aconcagua Energía S.A.

“ADS Consideration” has the meaning assigned to such term in the “INFORMATION REGARDING THE TRANSACTION – Detailed Description of the Transaction” section of this disclosure document.

“ADSs” means American Depositary Shares.

“AFBN”means AFBN S.R.L.

“Affiliate”means (i) with respect to any person other than a natural person, any person who directly or indirectly, through one
or more intermediaries, controls, is controlled by or is under common control with such person (within the meaning assigned to “control” pursuant to the LMV); and (ii) with respect to any natural person, any former, current or future
spouse and any direct or indirect ascendant or descendant of such natural person, including his or her parents, grandparents, children, grandchildren and siblings, and any trust or similar arrangement entered into for the benefit of any such natural
person.

“Argentine Antitrust Authorities”has the meaning assigned to such term in the “INFORMATION REGARDING THE TRANSACTION – Detailed Description of the Transaction” section of this disclosure document.

“Argentina” means the Republic of
Argentina.

“Argentinegovernment” means the federal government of Argentina.

“Argentine Hydrocarbons Law” means Argentine Law No. 17,319, as amended by Argentine Laws No. 26,197 and 27,007, as the same
may be amended, regulated and supplemented from time to time.

“Argentine Secretariat of Energy”means the National Energy Secretariat of
Argentina (Secretaría de Energía de la Nación de Argentina), under the orbit of the National Ministry of Economy (Ministerio de Economía de la Nación), and/or any other Argentine governmental agency
that oversees the enforcement of the Argentine Hydrocarbons Law in the future, as applicable.

“Average ADS Price” means the volume
weighted average trade price per share of the ADSs on the NYSE, calculated pursuant to the