B3 S A Brasil Bolsa Balcão : Minutes of the BM - 09/15/2022

B3 S.A. - BRASIL, BOLSA, BALCÃO

PUBLICLY-HELD COMPANY

CNPJ 09.346.601/0001-25

NIRE 35.300.351.452

MINUTES OF THE ORDINARY MEETING OF THE BOARD OF DIRECTORS

HELD ON SEPTEMBER 15, 2022

1. Date, Time, and Place: On September 15, 2022, at 12:30am, at the branch of B3 S.A.
   - Brasil, Bolsa, Balcão ("B3" or "Company"), located in the city of São Paulo, State of São Paulo, Av. Brigadeiro Faria Lima, 1663, 2nd floor, Jardim Paulistano, simultaneously held via videoconference.
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 N. Menin Teixeira de Souza, Mauricio Machado de Minas and Pedro Paulo Giubbina Lorenzini - Directors. Justified Absence of Merss. Cristina Anne Betts and Alberto Monteiro de Queiroz Netto.
3. Presiding Officers: 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. Based on article 57 of the Bylaws, to approve the payment, to the Company's shareholders, of (i) interest on equity, in the total amount of R$ 320,000,000.00, equivalent to the gross amount of R$ 0. 05462271 per share, which will be paid at the net amount of R$ 0. 04642930 per share, already deducting Withholding Income Tax of 15% levied on such amount, except for shareholders who are subject to different taxation or who are exempt from said taxation, and (ii) dividends, referring to the calculation of the result for the 2nd quarter of fiscal year 2022, in the total amount of R$ 164,300,000.00, equivalent to the amount of R$ 0.02804535 per share, as follows:

1. the amount now distributed as interest on equity, pursuant to article 9 of Law No. 9.249/95, will be attributed to the mandatory dividends for fiscal year 2022, pursuant to applicable law;
2. the amounts per share are estimated and may be modified due to the sale of treasury shares to meet the Company's Stock Grant Plan or other share-based plans, or due to the purchase of shares under the Buyback Program;

INFORMAÇÃO PÚBLICA - PUBLIC INFORMATION

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

15, 2022)

1. the aforementioned payment will be made on October 7, 2022 and will be based on the shareholding position September 22, 2022; and
2. the Company's shares will be traded on the "with" condition until September 22, 2022, inclusive, and on the "ex" condition, interest on equity, as of September 23, 2022.

5. Closing: There being no further business to be transacted, these minutes were drawn up and then approved and signed by all attending Directors. São Paulo, September 15, 2022. Signatures. Antonio Carlos Quintella - Chairman, Ana Carla Abrão Costa, Claudia Farkouh Prado, Eduardo Mazzilli de Vassimon, Florian Bartunek, Guilherme Affonso Ferreira, João Vitor N. 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