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DATE, TIME AND PLACE: On August 25, 2026, at 2:30 p.m., by conference call, the Board of Directors of Banco Santander (Brasil) S.A. (“Company” or “Santander”) have met, with the attendance of all of its members.

CALL NOTICE AND ATTENDANCE: The call was waived in view of the attendance of all members of the Board of Directors.

MEETING BOARD: Deborah Stern Vieitas, Chairman. Bruno Garcia Rosa Carneiro, Secretary.

AGENDA: To resolve on: (i) the acknowledgment of the resignation of Mr. Luiz Fernando Sanzogo Giorgi as a member of the Company's Remuneration Committee; (ii) the election of Ms. Sofia de Fátima Esteves as a member of the Company's Remuneration Committee; and (iii) the ratification of the composition of the Company's Remuneration Committee.

RESOLUTIONS: After due clarification, the present members of the Board of Directors, unanimously:

(i) acknowledged the resignation request of Mr. Luiz Fernando Sanzogo Giorgi, Brazilian, divorced, business administrator, holder of Identity Card (RG) No. 7.346.613-X SSP/SP, enrolled with the CPF/MF under No. 064.116.138-77, from the position of member of the Company's Remuneration Committee, pursuant to the Letter of Resignation filed at the Company's headquarters on this date;

(ii) approve the election of a new member of the Company's Remuneration Committee, for a term of office expiring upon the investiture of the individuals elected to compose such committee at the first Meeting of the Board of Directors held following the 2027 Annual Shareholders' Meeting, namely Mrs. Sofia de Fátima Esteves, Brazilian, in a stable union, entrepreneur, holder of Identity Card (RG) No. 13.130.152-4 SSP/SP, enrolled with the CPF/MF under No. 064.532.178-80, residing and domiciled in the City of São Paulo, State of São Paulo, with business address at Avenida Presidente Juscelino Kubitschek, No. 2041, Suite 281, Block A, Wtorre JK Condominium, Vila Nova Conceição, ZIP Code 04543-011

(a) the member hereby elected declares that she has not been convicted of any crime that would prevent her from engaging in commercial activities, particularly those referred to in Article 147 of the Brazilian Corporation Law;

(b) the member of the Remuneration Committee hereby elected declares that she meets the requirements set forth in CMN Resolution No. 5,177/2024 and shall only be vested in office upon approval of her election by the Central Bank of Brazil;

(iii) confirm the composition of the Company's Remuneration Committee, all of whose members shall serve until the investiture of those elected at the first Meeting of the Board of Directors held following the 2027 Annual Shareholders' Meeting, as follows: Ms. Deborah Patricia Wright, Brazilian, divorced, business administrator, bearer of the identity card RG No. 9.252.907-0 SSP / SP, registered with the CPF/MF under No. 031.544.298-08, as

Coordinator; Ms. Deborah Stern Vieitas, Brazilian, single, public administrator and journalist, bearer of the identity card RG No 3.839.280-X SSP/SP, registered with the CPF/MF under No 013.968.828-55; Mrs. Sofia de Fátima Esteves, Brazilian, in a stable union, entrepreneur, bearer of the identity card RG No. 13.130.152-4 SSP/SP, registered with the CPF/MF under No. 064.532.178-80; and Mrs Vanessa de Souza Lobato Barbosa, Brazilian, married, business administrator, bearer of the identity card RG No. MG-4.375.275 SSP/MG, registered with the CPF/MF under No. 758.525.866-68, as Members, all with offices at Avenida Presidente Juscelino Kubitschek, no. 2041, CJ 281, Bloco A, Cond. Wtorre JK, Vila Nova Conceição, São Paulo/SP, CEP 04543-011.

ADJOURNMENT: There being no further matters to be resolved, the Meeting was finalized, and these minutes have been prepared and sent to be electronically signed by the attendees. Board: Deborah Stern Vieitas, Chairwoman. Bruno Carneiro, Secretary. Signatures: Mrs. Deborah Stern Vieitas – Chairwoman; Mr. Javier Maldonado Trinchant – Vice Chairman; and Messrs. Antonio Carlos Quintella; Cristiana Almeida Pipponzi; Cristina San Jose Brosa; Deborah Patricia Wright, Ede Ilson Viani, Márcio de Andrade Schettini, Oscar Rodríguez Herrero, Pedro Augusto de Melo e Vanessa de Souza Lobato Barbosa – Directors. São Paulo, August 25, 2026.

I certify that this is a true transcript of the minutes recorded in the Minutes of the Board of Directors Meetings Book of the Company.

Banco Santander (Brasil) S.A.

By:	/S/ Reginaldo Antonio Ribeiro
	Reginaldo Antonio Ribeiro Officer without specific designation



By:	/S/ Carlos Ignacio Muñiz Gonzalez Blanch
	Carlos Ignacio Muñiz Gonzalez Blanch Vice - President Executive Officer