Telefônica Brasil S.A. announced that, at a meeting held on March 24, 2026, the Company?s Board of Directors appointed Mr. Rodrigo Rossi Monari to the position of the Company?s Chief Investor Relations Officer, for a term of office commencing on April 2, 2026, and ending on the date of the first meeting of the Board of Directors to be held after the Annual General Meeting of 2028, in replacement of Mr. David Melcon Sanchez-Friera, who will no longer serve as the Company's Chief Financial and Investor Relations Officer as of April 2, 2026 due to the assumption of new responsibilities as Chief Financial Officer at VMED O2 UK Limited (Virgin Media O2 UK), a joint venture between Telefónica, S.A. and Liberty Global, in the United Kingdom.