Business Update Announcement

Signing of Share Purchase Agreement for AKTOR CONCESSIONS

ELLAKTOR S.A. (hereinafter referred to as the "Company"), informs the investment community as follows:

Following the Company’s relevant announcement on March 10^th, 2025, an agreement was signed today with “Aktor Societe Anonyme Holding Company Technical and Energy Projects” (the “Aktor”) for the sale (100%) of the Company’s shareholding in its wholly-owned subsidiary "AKTOR CONCESSIONS SINGLE MEMBER SA" (”AKTOR CONCESSIONS”) (the “Transaction”). The total consideration for the transaction is based on an Enterprise Value of €367m, on a cash-free, debt-free basis, excluding bank debt and cash and cash equivalents.

It is reminded that the Company’s Board of Directors granted Aktor an exclusivity period for negotiating and completing the agreement regarding the above Transaction until April 30, 2025, during which the required due diligence was also completed.

The Transaction is subject to the approval of the Competition Commission, all other legally required approvals and permits, as well as the approval of the Company’s General Meeting of Shareholders.

UBS Europe SE is acting as the Company’s financial advisor for the Transaction, and Potamitis Vekris law firm is acting as the legal advisor.

The above information is provided in accordance with the Regulations of the European Parliament ((EU) 596/2014) and the European Council as well as the Athens Stock Exchange.

Kifissia, April 30^th, 2025