Avax S.A.

Transaction in Own Shares • Dec 31, 2025

Purchase of own shares

AVAX SA (the "Company") announces that on 30.12.2025 it purchased 30,000 own shares for a total amount of €88,050.09 at an average €2.935 price per share, as per the Share Buyback Programme approved by shareholders at the Annual General Meeting οn 15.07.2025.

Following that transaction, the Company holds a total of 367,120 own shares, which correspond to 0.25% of its total shares outstanding.

Marousi, December 31, 2025 The Board of Directors