March 30, 2023 038/2023-PRE

CIRCULAR LETTER

Listed B3 Participants E

Re: Revocation not in force Circular Letters regarding rules for calculation and publication of daily variation margin for Ibovespa Futures Contract

In order to improve and simplify the way in which it publishes guidance and rules for the market, B3 hereby revokes the following expired Circular Letters regarding the rules for calculation and publication of the daily variation margin for the Ibovespa Futures Contract.

It is important to note that these revocations will have no impact on Listed B3 participants.

  • 078-88-SGR,dated August 12, 1988 - Preço de Ajuste do Futuro de Ibovespa (Daily variation margin for Ibovespa Futures)
  • 087-94-SGR,dated May 13, 1994 - Alteração do Critério de Determinação do Preço de Ajuste do Mercado Futuro de Índice (Change to Criterion for Determining Variation Margins in Index Futures Market)
  • 011-97-SGR,dated January 27, 1997 - Alteração do Preço de Liquidação do Contrato Futuro de Ibovespa (Change to Settlement Price for Ibovespa Futures Contract)

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

This free translation into English from the original version in Portuguese is available for information purposes only, has not been reviewed by B3's 1 legal counsel, and is therefore not legally binding. Any questions arising from this free translation should be clarified by consulting the original

version in Portuguese. In the event of any discrepancy between this free translation and the original version in Portuguese, the original version in

Portuguese shall prevail.

INFORMAÇÃO PÚBLICA - PUBLIC INFORMATION

038/2023-PRE

The rules currently in effect for calculating and publishing variation margins for

the Ibovespa Futures Contract (IND) are set out in B3's Pricing Manual (Futuros,

Seção 3 Renda Variável, 3.1.1, 3.1.2, 3.1.3, 3.1.4) athttps://www.b3.com.br/en_us/market-data-and-indices/data-services/market-data/reports/derivatives-market/methodology/b3-pricing-manual.

Additional information on the settlement price of IND can be found at www.b3.com.br/en_us, Products and Services, Trading, Equities, Bovespa Index, Futures, Ibovespa Futures, Ibovespa Futures Contract (2. Daily variation margin).

Further clarification can be obtained from Reference Prices and Fees by calling +55 11 2565-5033 or emailing gptr-pricing@b3.com.br.

Gilson Finkelsztain

Mario Palhares

Chief Executive Officer

Chief Operating Officer - Electronic

Trading and CCP

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

This free translation into English from the original version in Portuguese is available for information purposes only, has not been reviewed by B3's 2 legal counsel, and is therefore not legally binding. Any questions arising from this free translation should be clarified by consulting the original

version in Portuguese. In the event of any discrepancy between this free translation and the original version in Portuguese, the original version in

Portuguese shall prevail.

INFORMAÇÃO PÚBLICA - PUBLIC INFORMATION

Attachments

Disclaimer

B3 SA Brasil Bolsa Balcao published this content on 30 March 2023 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 31 March 2023 13:18:05 UTC.