Societatea Nationala Nuclearelectrica : Current report regarding the disconnection and re connection of Cernavoda NPP Unit 2 to SEN

Current report in compliance with the Law number 24/2017 regarding the issuers of financial instruments and market operations and the Regulations of the ASF no. 5/2018 regarding the issuers of securities and market operations and the Bucharest Stock Exchange Code

Report date: 24.07.2018

Name of the issuing entity:Societatea Nationala NUCLEARELECTRICA S.A.Registered office:65, Polona street, District 1, Bucharest

Phone/fax number:021-203.82.00 / 021-316.94.00

Sole Registration Code with the Trade Register Office:10874881Order number:J40/7403/1998

Subscribed and paid share capital:RON 3.015.138.510

Regulated market on which the issued securities are traded: Bucharest Stock Exchange

To:Bucharest Stock Exchange Financial Supervisory AuthorityImportant event to be reported : The disconnection and reconnection of Cernavoda NPP Unit 2 to SEN

SN Nuclearelectrica SA (« SNN «) informs the shareholders and investors that Cernavoda NPP Unit 2 was disconnected from the National Power Grid during the evening of August 16th 2018, 18 :57 hours due to a faulty maneuvre performed by Transelectrica staff while perfofming maintenance works on the 400 kv line Cernavoda-Constanta Nord.

SNN informs that the disconnection did not have any negative impact on the nuclear installations of Unit 2, thus no negative impact on nuclear safety.

Unit 2 was reconnected to the grid during the evening of August 16, 2018, 21 :05 hours.

CEO

Cosmin Ghita

Societatea Nationala NUCLEARELECTRICA S.A.

Strada Polona, nr. 65, sector 1, 010494, Bucuresti, Romania; Tel [phone], Fax [phone];

Nr. ordine Registrul Comertului: J40/7403/1998, Cod unic de inregistrare: 10874881,

Capital social subscris si varsat: 3.015.138.510 [e-mail],www.nuclearelectrica.ro