Telefônica Brasil S.A. has appointed Mr. Rodrigo Rossi Monari as the new Chief Financial and Investor Relations Officer, effective April 2, 2026, replacing Mr. David Melcon Sanchez-Friera who is moving to a joint venture in the UK. The announcement was made on March 27, 2026, and highlights the company's acknowledgment of Mr. Sanchez-Friera's contributions up until April 1, 2026.