Circular Letter CVM/SEP No. 4/2024

SECURITIES COMMISSION OF BRAZIL
Rua Sete de Setembro, 111/2-5º e 23-34º Andares, Centro, Rio de Janeiro/RJ – CEP: 20050-901 – Brasil - Tel.: (21) 3554-8686 Rua Cincinato Braga, 340/2º, 3º e 4º Andares, Bela Vista, São Paulo/ SP – CEP: 01333-010 – Brasil - Tel.: (11) 2146- 2000 SCN Q.02 – Bl. A – Ed. Corporate Financial Center, S.404/4º Andar, Brasília/DF – CEP: 70712-900 – Brasil -Tel.: (61) 3327-2030/2031 www.cvm.gov.br Circular Letter No. 4/2024-CVM/SEP Rio de Janeiro, April 16, 2024. Subject: Enhancements to the Empresas.Net System. Director of Investor Relations/Legal Representative and Legal Advisors,

1. This Circular Letter aims to inform public companies and foreign companies, as well as legal advisors, who provide services including to companies applying for public company registration, that the following enhancements to the Empresas.Net System will take effect from 03/05/2024:

2. In the Reference Form (FRE):
   Ø Table 6.1/2 – “Shareholding Position”: when altering the information in the table, the system will display a new message to evaluate the need to update Table 6.3 – “Capital Distribution”; Ø Tables 8.2 – “Total remuneration by body” and 8.3 – “Variable remuneration”: will allow the export and import of Excel files, as a productivity mechanism; Ø Table 10.1.a – “Description of Human Resources”, the following will be permitted:
   § the filling of fields with “0” (zero), however, upon saving the table, a window called “Clarify Filling” will open, to include the reason for the absence of data. It is important to highlight that for editing the table (i.e., editing to include data), it will be necessary, previously, to delete the clarifications Circular-Letter 4 (2017991) SEI 19957.003069/2024-08 / pg. 1

regarding the absence of data; and
§ the filling of only the “Prefer not to answer” column, however, justification for the absence of data must be provided for the other columns. The inclusion of justification must be done via the “Include clarification” button, which will be enabled below the table; Ø Upon sending the FRE, a new screen will be displayed with the list of tables (i) with non-blocking pending items and (ii) whose filling occurred using clarifications (for example, the new scenarios for table 10.1.a above). On this new screen, the company must confirm awareness of these scenarios, which may be subject to demand by the CVM, and click continue for the sending process to proceed.

3. The Securities and Holdings Form will be available for use by companies that are in the process of registration with the CVM (registration applicant).

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

Support:

5. We inform that questions regarding the use and operation of the Empresas.NET System, as well as reports of problems or difficulties in sending documents, must be directed to the Issuers Superintendency of B3.

6. Contact with the Issuers Superintendency can be made by phone (11) 2565-5063 or by email: emissores.empresas@b3.com.br:
   a) Normal Support: on weekdays, from 8am to 8pm, by email or phone. b) On-Call Support: on weekdays, after 8pm or on weekends and holidays, exclusively by email.

7. Issues received after 8pm on weekdays and on weekends and holidays will be handled after 8am on the following weekday, except those related to system availability for receiving information, which will be handled immediately.

Sincerely,

FERNANDO SOARES VIEIRA
Superintendent of Corporate Relations
Circular-Letter 4 (2017991) SEI 19957.003069/2024-08 / pg. 2

Document electronically signed by Fernando Soares Vieira, Superintendent, on 16/04/2024, at 12:30, 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://super.cvm.gov.br/conferir_autenticidade, providing the verification code 2017991 and the CRC code 0EAADC99. This document's authenticity can be verified by accessing https://super.cvm.gov.br/conferir_autenticidade, and typing the "Verification Code" 2017991 and the "CRC Code" 0EAADC99. Reference: Process No. 19957.003069/2024-08 SEI Document No. 2017991 Circular-Letter 4 (2017991) SEI 19957.003069/2024-08 / pg. 3