Euronext has received regulatory approval to launch a voluntary exchange offer to acquire all common registered ATHEX shares.
Holders of ATHEX shares have until 17 November to accept the offer.
The tender offer has already received unanimous support from the board of directors of ATHEX, and all directors owning shares, including the chief executive, have signed undertakings to tender their shares.
Stéphane Boujnah, chief executive and chair of the managing board of Euronext, said: “Europe is entering a new strategic phase in building more integrated European capital markets that serve local economies within the framework of a Savings and Investments Union.
“Greece’s robust economic growth, supported by rising investment, growing international confidence, and solid fundamentals, makes this the right moment to strengthen its market. Through the integration of ATHEX into Euronext’s ecosystem, Greece will play a key role in this European project.”
The proposed combined group will run on a unified trading and post-trade technology, and expand Euronext Clearing to cover Greek securities and further consolidate the European post-trade market by introducing further reliance on a single clearing house operated by Euronext.
The announcement follows news from July that Euronext had entered discussions to acquire ATHEX in a deal thought to value the trading venue at €399 million (on a fully diluted basis).
Boujnah added: “This move will enhance the visibility and international appeal of the Greek market, supporting the shared European goal of stronger, integrated and more efficient capital markets. The initiative has received strong and positive feedback from leading stakeholders who recognise the value of combining best-in-class infrastructures, technologies, and practices across Europe to convey investments to the real economy.”
The announcement of the results of the tender offer is expected on 19 November 2025.