Vista Energy, S.A.B. de C.V. Share Repurchase

On August 7, 2026, Vista Energy, S.A.B. de C.V. repurchased 50,000 Series A shares at a price of Mexican Pesos $1,134.42 per share. This action was in line with the approval from the general ordinary shareholders' meeting on April 28, 2026. The total cost of the repurchases, excluding fees and taxes, was approximately Mexican Pesos $56,721,000. Following these repurchases, the number of outstanding Series A shares is 110,867,402, with 1,434,351 Series A shares held in treasury. The repurchases were executed by Citi México Casa de Bolsa, S.A. de C.V.