SCHEDULE 13G 0002066148 XXXXXXXX LIVE American Depositary Shares, each representing one Series A Share, with no par value 04/15/2025 0001762506 Vista Energy, S.A.B. de C.V. 92837L109 243 Paseo de la Reforma Avenue, 18th FL Colonia Renacimiento, Alcaldia Cuauhtemo Mexico City O5 06600 Rule 13d-1(c) Petronas Carigali Canada B.V. P7 7297507.00 0.00 7297507.00 0.00 7297507.00 N 7.66 CO (Row 11) Based upon a total of 95,285,451 series A shares outstanding as of December 31, 2024, as reported in the Issuer's Annual Report on Form 20-F, filed with the Securities and Exchange Commission on April 9, 2025. Vista Energy, S.A.B. de C.V. 243 Paseo de la Reforma Avenue, 18th Floor Colonia Renacimiento, Alcaldia Cuauhtemoc Mexico City, O5 Petronas Carigali Canada B.V. Rivium 1e Straat 42, 2909 LE Capelle Aan Den IJssel Netherlands Y 7,297,507 7.66 7,297,507 0 7,297,507 0 Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Petronas Carigali Canada B.V. /s/ Durgambikai Arasratnam 04/25/2025