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If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): N/A

DATE, TIME AND PLACE: On August 11, 2025, at 5 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.

AGENDA: To resolve on: (i) the creation of a new advisory committee to the Board of Directors called the “Innovation and Technology Committee”; (ii) approval of the Internal Regulations of the Company’s Innovation and Technology Committee; (iii) the election of the members of the Company’s Innovation and Technology Committee; (iv) the election of Ms. Deborah Stern Vieitas as a member of the Sustainability Committee; and (v) confirmation of the composition of the Sustainability Committee.

RESOLUTIONS: Having provided the necessary clarifications, the members of the Board of Directors present unanimously APPROVED:

(i) the creation of a new advisory committee to the Company's Board of Directors, pursuant to Article 14, §6 of the Company's Bylaws, to be named the Innovation and Technology Committee.

(ii) the Internal Charter of the Innovation and Technology Committee, establishing the rules regarding its composition, term of office, duties, and responsibilities. A minimum of 5 (five) members were established, of which one will be designated as Coordinator. All members will serve a 1 (one)-year term, being permitted their reappointment.

(iii) the election of the members who will compose the Innovation and Technology Committee, for a term valid until the investiture of those elected to compose the respective committee, at the first Meeting of the Board of Directors to be held after the 2026 Ordinary Shareholders Meeting, namely: Nitin Prabhu, American, married, administrator, holder of American passport A37166580, in the capacity of Coordinator; Messrs. Deborah Stern Vieitas, Brazilian, single, public administrator and journalist, holder of identity card RG no. 3.839.280-X SSP/SP, registered with the CPF/MF under no. Ede Ilson Viani, Brazilian, married, accountant, holder of identity card RG no. 17.488.375 SSP/SP, registered with the CPF/MF under no. Eduardo Alvarez Garrido, Spanish, married, administrator, holder of identity card RNM no. V346153M – CGPI/DIREX/PF and registered with the CPF/MF under no. 228.866.408-83; Gilberto Duarte de Abreu Filho, Brazilian, married, engineer, holder of identity card RG no. 22.884.756-4 SSP/SP and registered with the CPF/MF under no. 252.311.448-86; Guilherme Horn, Brazilian, married, administrator, holder of identity card RG no. 2031812-0 SSP/SP and registered with the CPF/MF under no. 924.866.147-53; and Mario Roberto Opice Leão, Brazilian, married, engineer, holder of Identity Card RG No. 24752106 SSP/SP, registered with the CPF/MF under No. 248.745.618-37, serving as Members; all with business addresses at Avenida Presidente Juscelino Kubitschek, No. 2041, Unit 281, Block A, Cond. Wtorre JK, Vila Nova Conceição, São Paulo/SP, Zip Code 04543-011.

(iv) the election as a member of the Company's Sustainability Committee for a supplementary term valid until the investiture of those elected to the respective committee, at the first Board of Directors Meeting held after the 2027 Ordinary Shareholders Meeting, of Ms. Deborah Stern Vieitas, a Brazilian citizen, single, public administrator and journalist, holder of identity card RG no. 3.839.280-X SSP/SP, registered with the CPF/MF under no. 013.968.828-55, resident and domiciled in the capital of the State of São Paulo, with business address at Avenida Presidente Juscelino Kubitschek, no. 2041, CJ 281, Bloco A, Cond. Wtorre JK, Vila Nova Conceição, São Paulo/SP, CEP 04543-011.

(v) in view of the election approved above, confirmation of the composition of the Sustainability Committee, all with a term of office until the investiture of those elected to compose the committee, at the first Meeting of the Board of Directors to be held after the 2027 Ordinary Shareholders Meeting, namely: Mrs. Cristiana Almeida Pipponzi, Brazilian, married, business administrator, holder of Identity Card RG No. 26.378.342-X SSP/SP, registered with the CPF/MF under No. 285.220.788-58, in the capacity of Coordinator; Ms. Deborah Stern Vieitas, Brazilian, single, public administrator and journalist, holder of Identity Card RG No. 3.839.280-X SSP/SP, registered with the CPF/MF under No. 013.968.828-55; Mr. Tasso Rezende de Azevedo, Brazilian, divorced, forestry engineer, holder of Identity Card RG No. 20,217,603-4 (SSP/SP), registered with the CPF/MF under No. 151,404,518-40; and Mrs. Vivianne Naigeborin, Brazilian, married, businesswoman, holder of Identity Card RG No. 12,885,453-4 SSP/SP, registered with the CPF/MF under No. 106,720,678-70, in the capacity of Members; all with business address at Avenida Presidente Juscelino Kubitschek, No. 2041, CJ 281, Block A, Cond. Wtorre JK, Vila Nova Conceição, São Paulo/SP, Zip Code 04543-011.

ADJOURNMENT: There being no further matters to be resolved, the Meeting was finalized, and these minutes have been prepared and send to be electronically signed by the attendees. Board: Deborah Stern Vieitas, Chairwoman. Daniel Pareto, Secretary. Signatures: Mrs. Deborah Stern Vieitas – Chairwoman; Mr. Javier Maldonado Trinchant – Vice Chairman; and Messrs. Cristiana Almeida Pipponzi; Cristina San Jose Brosa; Deborah Patricia Wright, Ede Ilson Viani, José de Paiva Ferreira, Mario Roberto Opice Leão, Pedro Augusto de Melo and Vanessa de Souza Lobato Barbosa – Directors. São Paulo, August 11, 2025.

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/ Gustavo Alejo Viviani
	Gustavo Alejo Viviani Vice - President Executive Officer