Motor oil (Hellas) Corinth Refineries S.A. hereby announces that on May 30, 2025, the approved by the Extraordinary General Assembly of October 11^th, 2023, share buyback programme was terminated. The Assembly had approved the purchase of up to 5,000,000 Company shares, at a maximum price of EUR 31/share, minimum price of EUR 8/share, and programme duration from 20 October 2023 until 30 May 2025. During the course of the programme the Company acquired an aggregate of 1,401,716 own shares at an average purchase price of EUR 22.10/share.

The aggregate number of treasury stock in possession of the Company equals 2,448,898 corresponding to 2.21% of its share capital. The average price of the own shares purchased by the Company equals EUR 19.387 per share.

Maroussi, 2 June 2025

The Board of Directors