YPF Sociedad Anónima: Chairman of the Board of Directors Renewal

This report details the renewal of Mr. Horacio Daniel Marin's appointment as Chairman of the Board of Directors for YPF Sociedad Anónima. The decision was made during the Board of Directors meeting held on April 30, 2026, and his term as Chairman will continue until the end of his existing term. This information is being filed in compliance with the regulations of the Argentine Securities Commission (CNV), ByMA, and A3 Mercados. The filing includes the translation of a letter addressed to these regulatory bodies, confirming the renewal of Mr. Marin's position. Margarita Chun, Market Relations Officer, signed the report on behalf of YPF Sociedad Anónima.