S N Nuclearelectrica S A : Current report regarding the controlled shutdown of Cernavoda NPP Unit 1 on the night January 22 to January 23, 2021

Current report according to: ASF Regulation no. 5/2018 on issuers of financial instruments and market operations

Reporting date: 21.01.2021

Name of the issuing entity: Societatea Nationala NUCLEARELECTRICA S.A.

Registered office: Strada Polona nr. 65, Sector 1, Bucuresti

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

Sole Registration Code with the Trade Register Office:10874881

Order number: J40/7403/1998

Subscribed and paid share capital: 3.016.438.940 lei

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

To:	Bucharest Stock Exchange
	Financial Supervisory Authority

Important event to be reported:

Controlled shutdown of Unit 1 for some remediation works to the classic technological circuit of Unit 1

S.N. Nuclearelectrica SA ("SNN") informs its shareholders and investors that Cernavoda NPP Unit 1 will be shutdown in a controlled manner during the night of Friday to Saturday (January 22 to January 23, 2021) in order to carry out remediation works as a result of a failure to the classical/secondary technological circuit of Unit 1. The power reduction maneuvers will start on January 23, 2021, 0:01 HRS.

We remind you that the controlled shutdown of Unit 1, initially announced for the night of January 15 to January 16, 2021, was postponed on January 15 to ensure the electricity production necessary to the National Energy System due to very low temperatures.

Both the postponement of the controlled shutdown and the controlled shutdown do not impact nuclear safety, personnel or population, the remediation works being done in compliance with the specific procedures.

SNN will communicate the date on which Unit 1 will be reconnected to the National Energy System.

Cosmin Ghita

Director General

Societatea Nationala NUCLEARELECTRICA S.A.

65 Polona Street, District 1, 010494, Bucharest, Romania; Tel [phone], Fax [phone];

Trade Registry number: J40/7403/1998, Sole registration code: 10874881,

Paid and subscribed capital: 3.016.438.940 lei.

[e-mail],www.nuclearelectrica.ro