C.N.T.E.E. Transelectrica

Report Publication Announcement • Aug 10, 2023

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

Date of the current report: August 10, 2023 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 LEI 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

Communique – details with respect to submitting the financial result of semester I 2023

The National Power Grid Company Transelectrica SA informs the interested investor public that on August 16, 2023 will take place the presentation of financial results of semester I 2023 earnings.

The format of this presentation will be phone conference, organised in English beginning with 12:00 h (Romania's time).

The persons interested to participate to this tele conference are kindly asked to confirm by e-mail to the following address relatii.investitori@transelectrica.ro, until August 11, 2022, 16:00 h.

Ştefăniţă MUNTEANU Bogdan TONCESCU

Executive Director General Directorate Chairman

Directorate Member

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.