Circular Letter CVM/SEP 02/25

SECURITIES COMMISSION OF BRAZIL (CVM)
Rua Sete de Setembro, 111/2-5th and 23-34th Floors, Centro, Rio de Janeiro/RJ – ZIP: 20050-901 – Brazil - Tel.: (21) 3554-8686 Rua Cincinato Braga, 340/2nd, 3rd and 4th Floors, Bela Vista, São Paulo/SP – ZIP: 01333-010 – Brazil - Tel.: (11) 2146-2000 SCN Q.02 – Bl. A – Ed. Corporate Financial Center, S.404/4th Floor, Brasília/DF – ZIP: 70712-900 – Brazil - Tel.: (61) 3327-2030/2031 www.cvm.gov.br

Circular Letter No. 2/2025-CVM/SEP
Rio de Janeiro, March 31, 2025.

Subject: Enhancements to the Empresas.Net System.

Dear Director of Investor Relations/Legal Representative,

1. This Circular Letter aims to inform open companies and registered foreign companies about new enhancements implemented in the Empresas.Net system during the last quarter.

a) In the Reference Form (FRE):

• Frame 8.15: “Minimum, average and maximum remuneration”: allow the export and import of Excel files.
• Frame 12.3/7: “Securities issued in Brazil and abroad” - inclusion of the “Others” option in the “Securities” field.

b) In the Form for Negotiated and Held Securities:

• Inclusion of guidance in the “Transaction Date” field.
• Inclusion of guidance regarding the automatic reappearance of subsequent months in which information was altered.
• Adjustment to the Excel import, changing from .csv to .xlsx.

c) In IPE Online:

• Inclusion of guidance in the field for uploading the document, regarding the conditions of the file to be attached (size, format, and file naming).
• Removal of the requirement for State (UF) in the field regarding disclosures on websites.

d) System Access (username and password):

• Inclusion of legend and guidance regarding password reset.

2. We request that the information contained in this letter be brought to the attention of the teams responsible for submitting information through the Empresas.Net System.

Support:

3. Questions regarding the use and functioning of the Empresas.Net System, as well as reports of problems or difficulties in submitting documents, must be directed to the B3 Issuers Superintendence.

4. Contact with the Issuers Superintendence can be made by phone at (11) 2565-5063 or by email: emissores.empresas@b3.com.br:

a) Normal Support: on weekdays, from 8:00 a.m. to 8:00 p.m., via email or phone. b) On-Call Support: on weekdays, after 8:00 p.m. or on weekends and holidays, exclusively via email.

5. Issues received after 8:00 p.m. on weekdays and on weekends and holidays will be addressed after 8:00 a.m. on the next weekday, except those related to system availability for receiving information, which will be addressed immediately.

Sincerely,

FERNANDO SOARES VIEIRA
Superintendent of Corporate Relations

Document electronically signed by Fernando Soares Vieira, Superintendent, on 03/31/2025, at 12:57, based on art. 6 of Decree No. 8.539, of October 8, 2015. The authenticity of the document can be verified on the site https://sei.cvm.gov.br/conferir_autenticidade, by providing the verification code 2290983 and the CRC Code 58BAFFF4. This document's authenticity can be verified by accessing https://sei.cvm.gov.br/conferir_autenticidade, and typing the "Verification Code" 2290983 and the "CRC Code" 58BAFFF4. Reference: Process No. 19957.002924/2025-36 SEI Document No. 2290983 Circular Letter 2 (2290983) SEI 19957.002924/2025-36 / pg. 2