Circular letters and external communications

Owing to the start of daylight saving time in Brazil and the end of daylight saving time in the United States on November 4, 2018, B3 will change the trading hours of its exchange and organized OTC markets from November 5, 2018, in accordance with the timetables in the Annex to this Circular Letter.

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Naiara de Souza Dantas (Individual Taxpayer No. CPF/MF 335.160.918-35) has been excluded from the list of defaulters.

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In pursuit of closer compliance with the IOSCO Principles for Financial Benchmarks, B3 will use the criteria described in this Circular Letter for calculating the DI Rate.

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A mock trading session will be held on September 22, 2018 to validate the BM&FBOVESPA PUMA Trading System electronic platform and the changes to be implemented, among which updates of the following components: BM&FBOVESPA PUMA Trading System; and infrastructure.

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B3 hereby informs you of the items that comprise the third set of upgrades to BM&FBOVESPA Clearinghouse’s processes and systems. This initiative is in line with its commitments to and understandings with participants, reinforced by the delivery in August 2018 of the second set of upgrades and corrections to BM&FBOVESPA Clearinghouse. Concomitantly with the third set of upgrades, B3 will also implement the new products announced in External Communication 015/2018-VPC, dated August 27, 2018. Furthermore, the new version of the Message and File Catalogue, with updates relating to the catalogues for Collateral Management, Risk Management and Participant Registration, is now available.

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Marcelo Renato Silveira Dias (Individual Taxpayer No. CPF/MF 071.813.367-62), Marcos José Alves (Individual Taxpayer No. CPF/MF 050.834.128-02), Maria das Graças Costa (Individual Taxpayer No. CPF/MF 160.566.714-53) and Gilson Alves de Souza Filho (Individual Taxpayer No. CPF/MF 024.867.063-80) have been included on the list of defaulters.

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On September 13, 2018, the Business Continuity Plan for the PUMA Trading System BM&FBOVESPA will be tested to validate the plan, as announced in Circular Letter 012/2018-VOP.

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A new data delivery service, UP2DATA ON DEMAND, will be available to provide B3’s participants, financial institutions, students and investors with historical data from different markets in a simple and efficient way.

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Pursuant to the Material Event Notice issued by Atom Empreendimentos e Participações S.A. on August 31, 2018, and the company’s reply to Joint Official Letter 52/2018-CVM/SMI/SEP/SER, dated September 4, 2018, B3 informs you of the treatment to be given to securities lending positions and the cash market.

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In response to demand from market participants for an additional free-text field in the EntryPoint protocol specification for order entry and drop copy, the Strategy ID field (tag 452=1005) has been implemented.

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