Telefônica Brasil S.A. announced at the AGM held on April 16, 2026, approved election of Mrs. Isabella Farah Costa, Brazilian, married, lawyer, holder of Identity No. MG-14.331.820, registered with CPF under No. 091.583.006-00, resident and domiciled in the city of Belo Horizonte, state of Minas Gerais, with business address in the city of Belo Horizonte, state of Minas Gerais, at Bernardo Guimarães St., No.

310, room 1402, Funcionários, ZIP Code 30140-080, both nominated by the shareholder Sabattini Participações Ltda. Mrs. Isabella Farah Costa were elected by unanimity of votes cast by the minority shareholders participating in the separate election (according to the final summary voting map in Exhibit A), as effective alternate member of the Fiscal Board, respectively, Mr. Sergio Barcelos Dutra de Almeida, Brazilian, married, business administrator, RG 92680685, issued by IFP-RJ, CPF 016.735.457-42, resident and domiciled in the city of São Paulo, state of São Paulo, with business address at Avenida Engenheiro Luiz Carlos Berrini, No. 1376, in the city of São Paulo, state of São Paulo, ZIP Code 04571-936, as effective member of Fiscal Board; and Mr. Stael Prata Silva Filho, Brazilian, married, business administrator, RG No.

4.650.496-5, issued by SSP-SP, CPF No. 374.378.958-20, resident and domiciled in the city of São Paulo, state of São Paulo, with business address at Avenida Engenheiro Luiz Carlos Berrini, No. 1376, in the city of São Paulo, state of São Paulo, ZIP Code 04571-936, as his respective alternate and Mr. Charles Edwards Allen, Brazilian, single, economist, RG 4.730.628, issued by SSP-SP, CPF 669.820.148-00, resident and domiciled in the city of São Paulo, state of São Paulo, Avenida Engenheiro Luiz Carlos Berrini, No.

1376, in the city of São Paulo, state of São Paulo, ZIP Code 04571-936, as her respective alternate.