CEZ A.S.

Interest Rate Update/Notice • Dec 1, 2025

Prague, 1 December 2025

ČEZ, a. s. (Identification number 45274649) Information Obligation within the meaning of §120c Act No 256/2004 Coll., on Capital Market Undertakings, as amended

ČEZ, a. s. – Interest Payment Notice

ČEZ, a. s. announces that on 2 December 2025 it will pay regular annual interest payment for the following bond issue:

Aggregate Nominal Amount: EUR 750,000,000.00

Maturity: 2 December 2026

Listing: Luxembourg Stock Exchange

ISIN: XS2084418339

Interest Payment Frequency: annual

Interest rate: 0.875% p.a.

Interest Amount: EUR 6,562,500.00