Attica Bank - Announcement of 22.12.2021

ADMISSION AND COMMENCEMENT OF TRADING ON THE MAIN MARKET OF THE ATHENS EXCHANGE OF 1,200,000,000 NEW COMMON, REGISTERED VOTING SHARES, EACH WITH A NOMINAL VALUE OF €0.20 OF ATTICA BANK S.A. ISSUED WITHIN THE FRAMEWORK OF THE SHARE CAPITAL INCREASE THROUGH CASH PAYMENT WITH PRE-EMPTIVE RIGHTS IN FAVOUR OF THE EXISTING SHAREHOLDERS

Attica Bank S.A. (hereinafter "Attica Bank") announces that:

(a) The Listing and Market Operation Committee of the Athens Stock Exchange during its meeting held on 22.12.2021 approved the admission to trading of 1,200,000,000 new common registered voting shares of Attica Bank, with a nominal value of 0.20 euros each (the "New Shares"), resulting from the Share Capital Increase through cash payment with pre-emptive rights in favour of the existing shareholders (the "Share Capital Increase"), as per the resolution of the Board of Directors during its meeting held on 05.11.2021, by virtue of the authorisation granted to it by the resolutions of the General Meeting of shareholders, dated 07.07.2021 and 15.09.2021, and

(b) the commencement of trading of the New Shares on the Main Market of the Athens Stock Exchange (regulated market under Law 4514/2018) is expected on 23.12.2021.

The New Shares will be credited to the shares and the security accounts of the beneficiaries, held in the Dematerialized Securities System (D.S.S.) on the day of commencement of the trading of the New Shares.

The total funds raised through the Share Capital Increase amount to €240 million and, following the deduction of the estimated expenses of approximately €8.4 million, they will be allocated in accordance with section 3.2 "Reasons for the Share Capital Increase and Use of Proceeds" of the Securities Note of Attica Bank's Prospectus dated 18 November 2021.

For further information, investors may contact the Attica Bank's call center on the phone number +30 210 3669000.

ATTICA BANK S.A.