C.N.T.E.E. Transelectrica

Board/Management Information • May 23, 2024

To: Bucharest Stock Exchange – Regulated Markets, Operations, Issuers Department Financial Supervision Authority – General Supervision Division – Issuers Division

Current report in accordance with the provisions of Law No 24/2017, BSE Code and Regulation no. 5/2018 of FSA

Date of the current report: May 23, 2024 Name of issuer Company: National Power Grid Transelectrica, managed under two tier system Headquarters: Bucharest 3rd district, Str. Olteni no. 2-4 Phone / fax numbers: 4021 3035 611 / 4021 3035 610 Single registration code: 13328043 RON Code: 254900OLXCOUQC90M036 Number in the Commercial 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: Mandate acceptance by provisional Directorate members

In addition to the current report disseminated through the capital market institutions on May 22, 2024, National Power Grid Company Transelectrica S.A. informs the shareholders and stakeholders that Messrs. Ștefăniță MUNTEANU, Cătălin Constantin NADOLU, Florin Cristian TĂTARU and Bogdan TONCESCU have expressly accepted, before the notary public, the mandates of provisional Directorate members. Therefore, their appointment becomes effective as of May 25, 2024.

Ștefăniță MUNTEANU Florin-Cristian TĂTARU

Executive Director General Directorate Member Chief Executive Officer

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.