The Management Board of HyEnergy S.A. (hereinafter: the “Company”) with its registered office in Warsaw announces that the Company’s periodic reports in 2025 will be published on the following dates:

• Q4 2024 Report – February 14, 2025;

• Q1 2025 Report – May 13, 2025;

• Annual Report for 2024 – May 28, 2025;

• Q2 2025 Report – August 13, 2025;

• Q3 2025 Report – November 12, 2025.

Legal basis: § 6 section 14.1 of Appendix No. 3 to the Alternative Trading System Regulations – “Current and periodic information disclosed in the alternative trading system on the NewConnect market”.