B3 S A Brasil Bolsa Balcão : Minutes of the BM - 12/23/2022

B3 S.A. - BRASIL, BOLSA, BALCÃO

PUBLICLY-HELD COMPANY

CNPJ 09.346.601/0001-25

NIRE 35.300.351.452

MINUTES OF THE EXTRAORDINARY MEETING OF THE BOARD OF

DIRECTORS HELD ON DECEMBER 23, 2022

1. Date, Time and Place: On December 23, 2022, at 17:30pm, 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, Ana Carla Abrão Costa, 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 Giubinna Lorenzini - Directors.
3. Presiding Members: Mr. Antonio Carlos Quintella - Chairman; and 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. To elect, by unanimous vote, as Independent and Unbound Member of the Board of

Directors (as provided for in the Company's Bylaws), Mr. CAIO IBRAHIM DAVID, Brazilian citizen, married, engineer, bearer of Identity Card (RG) No. 12.470.390-2, enrolled with the Individual Taxpayers Register (CPF/ME) under No. 101.398.578-85, resident and domiciled in the State Capital of São Paulo, in the Capital of the State of São Paulo, with commercial address at Praça Antonio Prado, 48, 7th floor, Centro, for a term of office as of January 2, 2023, until the next Company's General Meeting, according to Article 27 of the Company's Bylaws.

The member of the Board of Directors hereby elected shall be invested in office upon presentation of the: (i) respective instrument of investiture, registered in the appropriate book with the representations required by the applicable law and regulations; (ii) nonliability statement for the purposes of Article 147 of Law No. 6.404/76 and of Article 2 of CVM Instruction No. 367/02; and (iii) declaration of any securities held which have been issued by the Company, its controlled companies or companies of the same group, pursuant to the provisions of Article 157 of Law No. 6.404/76.

INFORMAÇÃO PÚBLICA - PUBLIC INFORMATION

(Continuance of the minutes of the Extraordinary Meeting of the Board of Directors of B3 S.A. - Brasil, Bolsa, Balcão held on

December 23, 2022)

1. To nominate, by unanimous vote, Mr. Caio Ibrahim David to the Risks and Financial Committee, for a term of office as of January 2, 2023, until the next Company's
   General Meeting.
2. Considering the abovementioned, to ratify the composition of the Risks and Financial Committee, as follows: (a) Mr. Eduardo Mazzilli de Vassimon as Coordinator and Unbound and Independent Director; (b) Messr. Antonio Carlos Quintella and Caio Ibrahim David as Unbound and Independent Director; (c) Messr. Mauricio Machado de Minas and Pedro Paulo Giubbina Lorenzini as Independent Directors; and (d) Mr. Cícero Augusto Vieira Neto as External Member.

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, December 23, 2022. (sgn) Antonio Carlos Quintella - Chairman, Ana Carla Abrão Costa, 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 Giubinna Lorenzini.

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

Antonio Carlos Quintella

Chairman

INFORMAÇÃO PÚBLICA - PUBLIC INFORMATION