Grupo Ser Educacional SaBMFBOVESPA: SEER3

Minutes of the Board of Directors Meeting - Election of the Chairman and Vice Chairman of the Board of Directors and Election of the Company’s Executive Board

· Issued by Grupo Ser Educacional SA

Date, Time and Venue: On May 19, 2026, at 5:00 p.m., by conference call, pursuant to Article

16, Paragraph 1, of the Company's bylaws ("Bylaws").

Board: Mr. José Janguiê Bezerra Diniz - Chairman of the Meeting; and Ms. Nathalie Regnier Côrtes - Secretary of the Meeting.

Call Notice: Waived due to the presence of all members of the Company's Board of Directors,

pursuant to Article 16, Paragraph 5, of the Bylaws.

Attendance: All sitting members of the Company's Board of Directors attended the meeting by

conference call, as permitted under Article 16, Paragraph 1, of the Bylaws.

Summary Minutes: The preparation of these minutes in summary form was authorized, pursuant to Paragraphs 1 and 2 of Article 130 of Law No. 6,404, dated December 15, 1976, as amended ("Brazilian Corporations Law").

Agenda: To examine, discuss and resolve, pursuant to Article 14, Paragraph 3, and Article 16, item "a", of the Bylaws, on: (i) the election of the Chairman and Vice Chairman of the Company's Board of Directors, from among the members of such body; and (ii) the election of the Company's Executive Officers.

Resolutions: After reviewing, discussing and deliberating on the matters included in the Agenda, the following resolutions were unanimously approved, without reservations:

  1. to re-elect, from among the members of the Company's Board of Directors, for a term of office of 1 (one) year or until the Annual Shareholders' Meeting that reviews the financial statements for the fiscal year ending December 31, 2026, whichever occurs first: (i.1) as Chairman of the Board of Directors, Mr. JOSÉ JANGUIÊ BEZERRA DINIZ, Brazilian, married, professor, holder of Identity Card (RG) No. 2,547,125 SSP/PE, enrolled with the Individual Taxpayer Registry (CPF/MF) under No. 368.383.574-53, residing and domiciled in the City and State of São Paulo, at Rua Lopes Neto, No. 390, Tower B, Apartment 20, ZIP Code 04533-030; and (i.2) as Vice Chairman of the Board of Directors, Mr. HERBERT STEINBERG, Brazilian, divorced, business administrator, holder of Identity Card (RG) No. 5,188,261-9 SSP/SP, enrolled with the CPF/MF under No. 791.851.778-49, residing and domiciled in the City and State

    of São Paulo, at Rua Jerônimo da Veiga, 248, Apartment 1006, Jardim Europa, ZIP Code 04536-001.

  2. to re-elect the Company's Executive Officers, for a term of office of 1 (one) year, extending until the meeting of the Board of Directors to be held following the Annual Shareholders' Meeting that reviews the financial statements for the fiscal year ending December 31, 2026, or until their respective successors take office, whichever occurs first:

(ii.1) as Chief Executive Officer, Mr. JÂNYO JANGUIÊ BEZERRA DINIZ, Brazilian, divorced, mechanical engineer, holder of Identity Card (RG) No. 1,169,091 SSP/PB, enrolled with the CPF/MF under No. 567.918.444-34, with business address at Rua Dr. Osvaldo Lima, No. 133, Garage Building S/N, Derby District, City of Recife, State of Pernambuco, ZIP Code 52010-180; (ii.2) as Chief Financial Officer, Mr. JOÃO ALBÉRICO PORTO DE AGUIAR, Brazilian, married, accountant, holder of Identity Card (RG) No. 3,942,826 SSP/PE, enrolled with the CPF/MF under No. 819.680.604-30, with business address at Rua Dr. Osvaldo Lima, No. 133, Garage Building S/N, Derby District, City of Recife, State of Pernambuco, ZIP Code 52010-180; (ii.3) as Investor Relations Officer, Mr. RODRIGO DE MACEDO ALVES, Brazilian, married, economist, holder of Identity Card (RG) No. 29,442,636-X SSP/SP, enrolled with the CPF/MF under No. 265.630.488-11, with business address at Rua Dr. Osvaldo Lima, No. 133, Garage Building S/N, Derby District, City of Recife, State of Pernambuco, ZIP Code 52010-180; (ii.4) as Chief Operating Officer, Mr. ADRIANO LISBOA DE AZEVEDO, Brazilian, married, business administrator, holder of Identity Card (RG) No. 57,606,4556 SSP/BA, enrolled with the CPF/MF under No. 928.249.275-34, with business address at Rua Dr. Osvaldo Lima, No. 133, Garage Building S/N, Derby District, City of Recife, State of Pernambuco, ZIP Code 52010-180; and (ii.5) as Chief Academic Officer, Ms. SIMONE BÉRGAMO SILVA BARRETO, Brazilian, divorced, pedagogue, holder of Identity Card (RG) No. 1,883,130 SDS/PE, enrolled with the CPF/MF under No. 409.183.194-04, with business address at Rua Dr. Osvaldo Lima, No. 133, Garage Building S/N, Derby District, City of Recife, State of Pernambuco, ZIP Code 52010-180.

The Executive Officers hereby elected shall take office upon execution of the respective terms of office recorded in the Company's corporate books, at which time they shall declare that they are not legally impeded from serving, pursuant to Paragraph 1 of Article 147 of the Brazilian Corporations Law.

In connection with the resolution set forth in item (ii) above, the members of the Board of Directors present hereby record that:

(ii.1) the compensation of the Executive Officers hereby elected shall comply with the aggregate annual amount of twelve million, seventy thousand, sixty-two reais and thirty-five cents (BRL 12,070,062.35) and its allocation as approved at the Annual Shareholders' Meeting held on April 27, 2026 ("2026 ASM"); and (ii.2) as a result of the resolutions above and the resolutions approved at the 2026 ASM, the Company's management shall be composed as follows: BOARD OF DIRECTORS - Chairman: Mr. José Janguiê Bezerra Diniz; Vice Chairman: Mr. Herbert Steinberg; Board Members: Messrs. Francisco Muniz Barreto and Flávio César Maia Luz, and Ms. Iara de Moraes Xavier Braga, all qualified in the minutes of the 2026 ASM; and EXECUTIVE OFFICERS - Chief Executive Officer: Mr. Jânyo Janguiê Bezerra Diniz; Chief Financial Officer: Mr. João Albérico Porto de Aguiar; Investor Relations Officer: Mr. Rodrigo de Macedo Alves; Chief Operating Officer: Mr. Adriano Lisboa de Azevedo; and Chief Academic Officer: Ms. Simone Bérgamo Silva Barreto, all qualified above.

Closing and Preparation of the Minutes: There being no further business to discuss, the Chairman offered the floor to anyone wishing to speak and, as no one wished to do so, declared the meeting adjourned and suspended for the time necessary to prepare these minutes, which, upon reopening of the session, were read, approved and signed by all those present.

Board Members Present: José Janguiê Bezerra Diniz, Iara Moraes Xavier Braga, Herbert Steinberg, Flávio César Maia Luz and Francisco Muniz Barreto (all attending by conference call).

Certification: These minutes are a true and faithful copy of the original recorded in the Minutes Book.

Recife, May 19, 2026.

Nathalie Regnier Côrtes

Secretary of the Meeting

José Janguiê Bezerra Diniz

Chairman of the Meeting

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