To the: Bucharest Stock Exchange – Department of Operations Issuers Regulated Markets Financial Supervision Authority - General Directorate Supervision - Issuers Division

Date of current report: October 16, 2025

Name of Issuer Company: CNTEE TRANSELECTRICA SA, managed under two-tier system

Headquarters: Blvd. Gheorghe Magheru 33, Bucharest 1

Working location: Str. Olteni 2-4, Bucharest 3 Phone / fax numbers: 021 30 35 611/021 30 35 610

Single registration code: 13328043 LEI Code: 254900OLXCOUQC90M036 Number in the Trade Register: J40/8060/2000 Share capital subscribed and paid: 733.031.420 RON

Regulated market where the issued securities are transacted: Bucharest Stock Exchange

Important event to report: advisory committees within the Supervisory Board

National Power Grid Company Transelectrica S.A. informs shareholders and investors that, in accordance with its statutory and legal duties, the Supervisory Board decided, in the meeting of October 16, 2025, to change the composition of the Nomination and Remuneration Committee.

Therefore, the advisory committees within the Supervisory Board are:

Nomination and Remuneration Committee:

✓ VASILESCU Alexandru-Cristian – chairman
✓ DASCĂL Cătălin-Andrei
✓ ORLANDEA Dumitru Virgil
✓ ZEZEANU Luminița
✓ ATANASIU Teodor
✓ PĂUN Costin-Mihai

Audit Committee:

✓ ZEZEANU Luminița– chairman
✓ ATANASIU Teodor
✓ RUSU Rareș Stelian
✓ PĂUN Costin-Mihai
✓ VASILESCU Alexandru-Cristian

Committee for Investments and Energy Security:

✓ PĂUN Costin-Mihai - chairman
✓ DASCĂL Cătălin Andrei
✓ ZEZEANU Luminița
✓ ATANASIU Teodor
✓ ORLANDEA Dumitru Virgil

Committee for Risks Management:

✓ ATANASIU Teodor – chairman

LANGUAGE DISCLAIMER: This document represents the English version of the original official Romanian document filed with the Financial Supervisory Authority ASF. The English version has been created for English readers' convenience. Reasonable efforts have been made to provide an accurate translation, however, discrepancies may occur. The Romanian version of this document is the original official document. Any discrepancies or differences created in the translation are not binding. If any questions arise related to the accuracy of the information contained in the English version, please refer to the Romanian version of the document which is the official version.