B3 S A Brasil Bolsa Balcão : Minutes of the BM - 03/27/2023

B3 S.A. - BRASIL, BOLSA, BALCÃO

PUBLICLY-HELD COMPANY

CNPJ nº 09.346.601/0001-25

NIRE 35.300.351.452

MINUTES OF THE EXTRAORDINARY MEETING OF THE BOARD OF

DIRECTORS HELD ON MARCH 27, 2023

1. Date, Time and Place: On March 27, 2023, at 15:00pm, by electronical means, provided that the place of the meeting is considered as the headquarters of B3 S.A. - Brasil, Bolsa, Balcão ("B3" or "Company"), located in this City of São Paulo, State of São Paulo, at Praça Antonio Prado, No. 48, Downtown.

2. Attendance: Messr. Antonio Carlos Quintella - Chairman, Caio Ibrahim David, Claudia Farkouh Prado, Cristina Anne Betts, Eduardo Mazzilli de Vassimon, Florian Bartunek, Guilherme Affonso Ferreira, João Vitor Nazareth Menin Teixeira de Souza, Mauricio Machado de Minas and Pedro Paulo Giubbina Lorenzini - Directors.

3. Presiding Members: Mr. Antonio Carlos Quintella - Chairman; e Ms. Iael Lukower - Secretary.

4. Resolutions taken based on the supporting documents that are filed at the

Company's headquarters, and authorization was given for these minutes to be drawn up as a summary:

4.1. Considering the recommendation of the Corporate Governance and Nomination Committee, submit to the approval of the Annual Shareholders Meeting of the Company, to be convened to be held on April 27, 2023, the slate for the composition of the Board of Directors for the 2023-2025 term of office, according to the detailed proposal to be published opportunely pursuant to the Law and current regulations.

4.2. Regarding item 4.1 above, to register that, according to the declarations presented, the 11 indicated candidates: (i) fit the independence criteria established in the Novo Mercado Regulation and in the applicable regulation; and (ii) were evaluated as to their adherence to the eligibility criteria set forth in the Company's Bylaws and the Management Nomination Policy, concluding that all of them meet the referred criteria.

5. Closing: There being no further business to be resolved, these minutes were drawn up and then approved and signed by all attending Directors. São Paulo, March 27, 2023. Signatures. Antonio Carlos Quintella, Caio Ibrahim David, Claudia Farkouh Prado, Cristina Anne Betts, Eduardo Mazzilli de Vassimon, Florian Bartunek, Guilherme Affonso Ferreira, João Vitor Nazareth Menin Teixeira de Souza, Mauricio Machado de Minas and Pedro Paulo Giubbina Lorenzini.

This is a true copy of the minutes recorded in the proper register.

Antonio Carlos Quintella

Chairman

INFORMAÇÃO PÚBLICA - PUBLIC INFORMATION