Announcement – Regulated Information according to L. 3556/2007

Athens, July 25, 2023

Public Power Corporation S.A. (“PPC”) announces that, according to the provisions of L. 3556/2007 and the relevant notification received on 19.7.2023 by Goldman Sachs Group, Inc., on 17.7.2023 Goldman Sachs Group, Inc. held indirectly, through controlled legal entities (amongst them Goldman Sachs International with 5.42% of PPC’s voting rights):

• 20,060,082 voting rights (or 5.25%) attached to shares according to article 10 of L. 3556/2007, from 17,969,014 (or 4.70%) on 13.7.2023

• 1,175,866 voting rights (or 0.31%) attached to financial instruments (Securities Lending) according to article 11 par. 1.a) of L. 3556/2007, from 3,250,106 (or 0.85%) on 13.7.2023 and

• 10,778 voting rights (or 0.003%) attached to financial instruments (Swaps) with similar economic effect, according to article 11 par. 1.b) of L. 3556/2007, from 10,774 (or 0.003%) on 13.7.2023.

Hence, the total holdings of Goldman Sachs Group, Inc. of PPC’s voting rights (i.e. the total of voting rights attached to shares, the voting rights through financial instruments (Securities Lending) and the voting rights through financial instruments with similar economic effect (Swaps)) amounted on 17.7.2023 to 21,246,726 (or 5.56%) from 21,229,894 (or 5.56%) on 13.7.2023.