YPF Sociedad Anónima completed the acquisition of a 16.3% stake in Bandurria Sur and a 15% stake in Bajo del Toro areas from Vista Energy for approximately $163 million, with additional adjustments totaling about $41 million, on May 7, 2026. This transaction increases YPF's total stakes in these areas to 44.9% and 65%, respectively, enhancing its operational capacity in hydrocarbon production.