CEZ A.S. — Capital/Financing Update 2026

Apr 13, 2026

CLEAN ENERGY OF TOMORROW

Disclosure of Inside Information

Date: 13.04.2026

Provision of security for Rolls-Royce SMR liabilities

In connection with the signing of the contract for the construction of small modular reactors between Rolls-Royce SMR and Great British Energy – Nuclear, ČEZ, together with the other shareholders, has provided a counter letter of credit in relation to a letter of credit issued in favour of Rolls Royce SMR. The letter of credit forms part of a financial assurance requirement that GBE-N requires as a necessary precondition for the contract. The amount of security provided by ČEZ is GBP 60.8 million with a validity of 2 years with possible gradual renewal until 31.12.2033.

ČEZ is a strategic partner and shareholder of Rolls-Royce SMR through its 100% controlled subsidiary CEZ Holdings B.V.

ČEZ, a. s.

Company Id. 45274649