Company: VIST
Filing Date: 2025-04-16
Form Type: 6-K
Source: 0001193125-25-082223
Chunk: 5

Company: Vista Energy, S.A.B. de C.V.
Filing Date: 2025-04-16
Form: 6-K
Chunk 5
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 Dollars” and “Dollars” are to U.S. Dollars, the lawful currency of
the United States of America, references to “Mexican Pesos” and “Ps.” are to Mexican Pesos, the lawful currency of Mexico and “ARS,” “Argentine Pesos” and “AR$” are to Argentine Pesos, the lawful
currency of Argentina. The pro forma Financial Statements are presented in U.S. Dollars.

Certain figures included in this disclosure
document have been subject to rounding adjustments. Accordingly, figures shown as totals in certain tables may not be an arithmetic aggregation of the figures that precede them.

Non-IFRSFinancial Measures

In this disclosure document, we present Adjusted EBITDA, Adjusted EBITDA Margin and ROACE, which are
non-IFRS financial measures. A non-IFRS financial measure is generally defined as a numerical measure of a registrant’s historical or future financial performance,
financial position or cash flows that: (i) excludes amounts, or is subject to adjustments that have the effect of excluding amounts, that are included in the most directly comparable measure calculated and presented in accordance with IFRS in
the statement of income, balance sheet or statement of cash flows (or equivalent statements) of the issuer; or (ii) includes amounts, or is subject to adjustments that have the effect of including amounts, that are excluded from the most
directly comparable measure so calculated and presented.

3

We define “” as profit for the year, net; plus income tax
expense; financial results, net; depreciation, depletion and amortization; transaction gains/costs related to business combinations and gain from asset disposals; restructuring and reorganization expenses; gain related to the transfer of
conventional assets; other non-cash costs related to the transfer of conventional assets and (reversal) impairment of long-lived assets. We believe that excluding gain related to the transfer of conventional
assets and other non-cash costs related to the transfer of conventional assets results in a better representation of the Company’s returns following the Conventional Assets Transaction, given that profit
and losses generated by the Conventional Assets Transaction have a non-recurrent impact only during the duration of the transaction, and excluding them allows our management and investors to better analyze our
core operating performance on a consistent basis from period to period. We believe that the nature of the restructuring and reorganization expenses were such that they are not reasonably likely to recur within two years as they are mainly related to