Euronext Launches Voluntary Exchange Offer for ATHEX Shares

Euronext has initiated a voluntary exchange offer for all shares of Hellenic Exchanges-ATHEX Stock Exchange S.A. after obtaining regulatory approvals. The offer, which runs from October 6 to November 17, 2025, aims to integrate ATHEX into Euronext, expanding its network to over 1,800 companies with a market capitalization above €6 trillion.

By joining Euronext, ATHEX is expected to enhance Greece’s capital market visibility and access. The offer proposes an exchange ratio of one Euronext share for every 20 ATHEX shares, subject to Greek Law 3461/2006. Required conditions include a minimum tender of 67% of ATHEX’s voting rights.

ATHEX's Board supports the offer, viewing it as an opportunity for increased liquidity and shareholder value. The integration is projected to yield significant synergies and long-term benefits for Euronext shareholders.