June 10, 2021 069/2021-PRE

C I R C U L A R L E T T E R

To: Listed B3 Participants

Re: Change to the Activity Parameters for Market Makers in the DI x IPCA Spread Futures Contract (DAP).

We hereby inform you that there has been a change to the activity parameters for Market Makers in the DI x IPCA Spread Futures Contract (DAP) announced in Circular Letter 036/2021-PRE, published on April 15, 2021.

The changes are contained in the document "Activity Parameters for Market Makers in DI x IPCA Spread Futures (DAP)", available at www.b3.com.br/en_us, Products and Services, Trading, Market maker, Join in, Programs, DI x IPCA Spread Futures Contract (DAP).

The program's other rules are unchanged, as set forth in Circular Letter 036/2021- PRE, dated April 15, 2021.

Further information can be obtained from the Chief Product and Client Officer's team by telephone on +55 11 2565-7738/7119 or by email at formadordemercadob3@b3.com.br.

Gilson Finkelsztain

José Ribeiro de Andrade

Chief Executive Officer

Chief Product and Client Officer

This Circular Letter produces effects as of the date of its publication. Any specified time limits for validity shall

apply.

This free translation is not legally binding. Any questions arising from the text should be clarified by consulting

the original in Portuguese. In the event of any discrepancy, the original in Portuguese shall prevail.

INFORMAÇÃO PÚBLICA - PUBLIC INFORMATION

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B3 SA Brasil Bolsa Balcao published this content on 10 June 2021 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 10 June 2021 20:47:05 UTC.