S N Nuclearelectrica S A : Annual Report availability 2021

Current Report according to the provisions of Law no. 24/2017 and ASF Regulation no. 5/2018 on issuers of financial instruments and market operations

Report date: April 28, 2022

Name of the issuing entity: NUCLEARELECTRICA S.A. National Company Registered office: 65 Polona St., District 1, Bucharest

Telephone/Fax Number: 021.203.82.00 / 021.316.94.00

Sole Registration Code with the Trade Register Office: 10874881 Registration number in the Trade Register: J40/7403/1998 Subscribed and paid-up share capital: RON 3,016,438,940

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

To:

Bucharest Stock Exchange Financial Supervision AuthoritySignificant event to report:

Availability of the Annual Report concerning the financial year ended on December 31, 2021

Nuclearelectrica S.A. National Company ("SNN") informs the shareholders and investors with regard to the availability of the Annual report related to the financial year that ended on December 31, 2021, prepared in accordance with the provisions of Art. 65 of Law no. 24/2017, republished on August 10, 2021, and Annex no. 15 to ASF Regulation no. 5/2018, as of April 29, 2022, 08:00 a.m., as follows:

• - in written format, on request, at the registered office of the company in Bucharest, 65 Polona St., District 1, Department for Communication and Investors Relation;

• - in electronic format, on the website of SNN, under the section Investor Relations - Financial Statements - Financial Statements 2021(www.nuclearelectrica.ro). The Annual Report for the financial year ended December 31, 2021, which includes the Consolidated Financial Statements in ESEF format (European Single Electronic Format), may be accessed on the SNN website, in the section Relations with Investors/Financial Results/Financial Statements for 2021.

The annual report for the financial year 2021 comprises:

• (i) The main events of the company's activity during the reporting period;

• (ii) The individual annual financial statements audited as of and for the financial year ended on December 31, 2021 prepared in accordance with OMFP 2844/2016 for the approval of the Accounting Regulations in accordance with the International Financial Reporting Standards ("IFRS-EU"), together with the independent auditor's report;

(iii)The consolidated annual financial statements audited as of and for the financial year ended on December 31, 2021 prepared in accordance with OMFP 2844/2016 for the approval of the Accounting Regulations in accordance with the International Financial Reporting Standards ("IFRS-EU"), together with the independent auditor's report. (iv)The Annual Report for the financial year ended December 31, 2021, which includes the

Consolidated Financial Statements in ESEF format, may be accessed on the SNN

NUCLEARELECTRICA S.A. National Company

No. 65, Polona Street, District 1, 010494, Bucharest, Romania; Tel. [phone], Fax [phone];

Trade Register registration number: J40/7403/1998, Sole Registration Code (C.U.I.): 10874881,

Subscribed and paid-up share capital: RON 3,016,438,940.

[e-mail],www.nuclearelectrica.ro

website, in the section Relations with Investors/Financial Results/Financial Statements for 2021.

Additional information may be obtained from the Department for Communication and Investor Relations of the company, e-mail:[e-mail].

Cosmin Ghita

Chief Executive Officer

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