Hello Customer,

We hereby inform you that a business continuity test of the PUMA Trading System will ne held on Saturday, November 01, 2025, by means of a mock trading session in the contingency environment in order to validate:

• Connectivity between brokerage houses’ primary site facilities and B3’s backup infrastructure; and 
• Execution of the mandatory test script at B3’s alternative site. 

The addresses for connection between B3’s backup servers and participants must be properly configured and enabled.The connectivity tables are available at WWW.B3.COM.BR/EN_US/, Solutions, Platforms, PUMA Trading System:
• EntryPoint Order Entry FIX – IPs List, Production – Connectivity data; 
• FIX/FAST UMDF – Definition of multicast addresses of the UMDF channels – BM&FBOVESPA Segment;
• Binary UMDF – Definition of the multicast addresses of the Binary UMDF channels;
• Binary EntryPoint Order – IPs List, Production and DR – SBEOE Gateway;
• DropCopy - IPs List, Production - Connectivity Details.

The connection to the ePUMA trading screen must made on ports 5050 and 7050, And for those who are already using Multi Relay, the ports 7500 and 7600. Market participants who do not have this configuration set in the application, must request an updated channels.xml file to the Trading Support team, by e-mail [email protected], with the subject “Channels ePUMA”.
The entire test window is programmed to take place between 01:00 p.m. and 3:00 p.m. Participation by brokerage houses, market data distributors and independent software vendors operating on Listed B3 is mandatory. 

1. Mock trading session timetable
Start    Horário final    Fase
1:00 p.m.    2:00 p.m.    Roll call and connectivity test in contingency environment
2:00 p.m.    2:05 p.m.    Pre-opening in contingency environment
2:05 p.m.    2:40 p.m.    Trading – mandatory script in the contingency environment
2:40 p.m.    3:00 p.m.    Free trading in contingency environment
 
2. Scope of mock trading session
The test scripts for the mock trading session in the contingency environment are enclosed on this message and will cover the following:
•Reception of market data via Feed C;
•Trading (order entry and trade execution) in accordance with the mandatory script;
•Free mock trading (order entry and trade execution);
•Order cancellation via admin session;
•Validation of trading limits (LiNe 5.0), using the limits in effect at the end of the trading session on October 31, 2025 (Friday);
•Management of trading limits (LiNe 5.0);
•Reception of execution messages generated by trading systems;
•Reception of order registration, modification and cancellation message drop copies and execution reports;
•Use of Firmsoft order cancellation software;
•Reception of electronic trading news; and
•Interaction with B3 as counterparty or to facilitate execution of a specific mock trading scenario desired by participants.

3. Morning test of electronic trading system
Morning test of electronic trading system Because the mock trading session will use B3’s contingency addresses and infrastructure, the morning test on November 03, 2025 (Monday) will be held exceptionally from 7:00 a.m. to 8:00 a.m. for Listed B3 to allow participants to validate the return of their configurations to the infrastructure address at B3’s main site. 
Participation by all brokerage houses in this morning test is mandatory.
Other information

Participation in the mock trading session must be confirmed no later than 12 noon on October 31, 2025 (Friday), by emailing [email protected], with the subject line “Business Continuity Test”, identifying the institution, naming the individuals who will participate ,and supplying their contact details (telephone numbers and email addresses). In response to this confirmation, participants will receive the test script, and must fill it out and send it to the above email addresses. 

We emphasize that confirmations of attendance for the simulated sessions of B3 can be made both via email and through the new WhatsApp feature at the number +55 (11) 99151-4402, or by scanning the QR Code below and the options: 

Finally, we emphasize that the assistance of the Customer Service B3 - Trading teams will be available from 12:00 p.m.
Further details can be obtained by Customer Service B3, by telephone on +55 11 2565-5021/5022 or by e-mail [email protected] and [email protected].