Announcement of regulated information of L 3556/2007

Notification of significant changes in voting rights

ELLAKTOR S.A. (the “Company” or/and the “Issuer”) informs (art. 9 of L. 3556/2007), in compliance with the Directive for transparency, about the notification of significant changes in voting rights of the Company, received on August 23^rd, 2021,  by a shareholder.

According to the announcement of ELLAKTOR S.A. dated 23 August 2021, following completion of its share capital increase (the “SCI”), decided by the Extraordinary General Meeting on 22 April 2021, the Issuer's fully paid in share capital, amounts to Euro 13,927,680.20, divided into 348,192,005 common registered dematerialized shares, par value of euro 0.04 each, and the total voting rights on the common registered shares amount to 348,192,005, REGGEBORGH INVEST B.V. (“Reggeborgh”) informs its participation in the share capital and voting rights of ELLAKTOR as follows:

Number of shares and number of voting rights on 23.08.2021:

a. Reggeborgh participated in the SCI of the Issuer and received 39,716,827 new common registered shares from the Issuer, representing 11.407% of its voting rights.

b. In addition, Reggeborgh purchased 4,278,995 common registered shares through on exchange transactions between 02.08.2021 and 16.08.2021, representing 1.229% of the voting rights of the Issuer.

As a results of the above, Reggeborgh's participation in the share capital and voting rights of ELLAKTOR is as follows:

(i) direct participation: from 27.9692% (i.e. 59,930,339  common registered shares with voting rights) according to its notification on 23.07.2021, to 29.8474% (i.e. 103,926,161  common registered shares with voting rights)

(ii) indirect participation: 0% (i.e. 0 common registered shares with voting rights) and

Total participation (directly and indirectly) and voting rights: 29.8474% (i.e. 103,926,161 common registered shares with voting rights) issued by ELLAKTOR SA.

Additional information

REGGEBORGH INVEST B.V. is not controlled by any natural person or legal entity in the sense of Art.3 of L.3556/2007 and does not control any other undertaking(s) holding directly or indirectly an interest in ELLAKTOR SA.

It is noted that with reference to the previous notification of 23.07.2021, no change in the voting rights of Reggeborgh in the Issuer over 3% or a threshold crossing has occurred (remains over the threshold of the 25%), that would be subject to a notification according to L.3556/2007.

Kifissia, August 27^th, 2021