B3 will make new files available with a list of assets restricted from trading in the Listed Segment (stocks, units, BDRs, fund shares). New files: ARQ.CAP.001.01 - List of sponsored stocks, units and BDRs with trading restriction and release dates for types of investors (professional, qualified and retail) ARQ.CAP.002.01 - List of Funds (FIP, FIM and FI-INFRA) with trading restriction and release dates for types of investors (professional, qualified and retail. ARQ.CAP.003.01 - List of Funds (FII and FIDC) with trading restriction and release dates for types of investors (professional, qualified and retail). The content of the file is distributed across 3 tabs: Tab 1 “Information about orders” – refers to the tab that will be updated regularly and reflects in a consolidated manner the 'Share Trading Release' forms published by fund administrators as of January 2023; Tabs 2 and 3 “FII – Inventory” and “FIDC – Inventory” – refers to the FII and FIDC funds, respectively, which have not posted recent orders but disclose target audience restrictions in their Monthly Report. Therefore, if a fund appears in the “Information about orders” tab, it will not appear in the “FII – Inventory” or “FIDC – Inventory” tab. ARQ.CAP.004.01 - Target audience for NP BDR Programs and ETF BDR Programs admitted to trading on B3. The files will be available during B3's nightly processing with information for the next trading session. Disclosure of these files will be maintained on the B3 portal.

The transfer time with change of ownership for Tesouro Direto bonds will be reduced from 4 days to a maximum of 1 day. Transfers are used in situations like estate, divorce and donation in the amounts established by the Court. No fee will be charged in advance by B3. The due fees will be transferred to investors proportionally according to the amount specified in the transaction.

B3 will reduce the FRC Round Lot in electronic calls from 100 to 10 contracts by matching the regular trading session lot to the call lot. This improvement is aimed at facilitating clients’ access to product liquidity in electronic calls. To mitigate the risk of distortion of the FRC curve in less liquid maturities, the settlement price for each maturity will be determined by the call only when there are more than 100 contracts traded in the call for the maturity in question.

Review of derivatives reports, warning screen and product notifications for better usability, besides the implementation of metrics and monitoring of use for continuous evolution.

B3 will improve the accuracy criteria of the calculation models offered by CALC fixed income calculation tool. As a result, we will replicate the calculation results delivered by CALC in a more agile, efficient and accurate way.

An API was created to make registration changes to accounts in the Tesouro Direto Activity. This new technology will enable querying information with greater security and resilience.

An entry visualization option was added to provide an increase in the traceability of the entries carried out.

A parameter was added to integrate entries related to the options market in SINACOR's Pre-Match. The new feature brings an improvement in usability and functionalities allowed in the Pre-Match.