Company: VIST
Filing Date: 2025-04-16
Form Type: 6-K
Source: 0001193125-25-082223
Chunk: 7

Company: Vista Energy, S.A.B. de C.V.
Filing Date: 2025-04-16
Form: 6-K
Chunk 7
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ity.

For purposes of this definition, total debt is comprised of current and non-current
borrowings, current and non-current lease liabilities. Effective for periods starting on or after January 1, 2023, the Company has adjusted the definition of ROACE compared to prior annual reports to add
gains related to the transfer of conventional assets and other non-cash costs related to the transfer of conventional asset in the numerator. We believe that adding gain related to the transfer of conventional
assets and other non-cash costs related to the transfer of conventional assets to the numerator 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 are accounted for in the profit for the year, net and therefore in total shareholder´s equity which is included in the denominator, making the ratio consistent by
having the impact both in numerator and denominator. Our management believes ROACE can be a valuable tool to measure the efficiency of the utilization of the capital we employ, whether financed by equity or debt.

4

We present Adjusted EBITDA, Adjusted EBITDA Margin, and ROACE because we believe they
provide investors with supplemental measures of the financial condition and performance of our core operations that facilitate period to period comparisons on a consistent basis. Our management uses Adjusted EBITDA, Adjusted EBITDA Margin and ROACE,
among other measures, for internal planning and performance measurement purposes. Adjusted EBITDA, Adjusted EBITDA Margin, and ROACE are not measures of liquidity or operating performance under IFRS and should not be construed as alternatives to net
profit, operating profit, or cash flow provided by operating activities (in each case, as determined in accordance with IFRS). Adjusted EBITDA, Adjusted EBITDA Margin, and ROACE, as calculated by us, may not be comparable to similarly titled
measures reported by other companies.

Market and Industry Data

This disclosure document includes market share, ranking, industry data and forecasts that we obtained from industry publications and surveys,
public filings, and internal company sources. Industry publications, surveys and forecasts generally state that the information contained therein has been obtained from sources believed to be reliable, but there can be no assurance as to the
accuracy of the included information.

We have not independently verified any of the data from third-party sources, nor have we
ascertained the underlying economic assumptions relied upon therein. We believe data regarding the size of our markets and market share