Press release

Bucharest, August 16th 2018

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 will be reconnected to the grid and will reach full power during the evening of August 16th.

CEO

Cosmin Ghita