Hrvatska Poštanska Banka d.d.

Transaction in Own Shares • Dec 19, 2025

HRVATSKA POŠTANSKA BANKA, p.l.c.

Management Board Jurišićeva ulica 4, HR-10000 Zagreb Phone: +385 1 4804 400, +385 1 4804 409

Zagreb, December 19, 2025 No: F00-144/25-SS

Home Member Stock Exchange Identifier HPB Regulated Market/

Segment

State of Issuer Republic of Croatia ISIN HRHPB0RA0002

LEI 529900D5G4V6THXC5P79

Zagreb Stock Exchange Inc. Official Market

Zagreb Stock Exchange Inc. Croatian Financial Services Supervisory Agency ("HANFA") Croatian News Agency OTS HINA

Subject: HRVATSKA POŠTANSKA BANKA, p.l.c.

- Regulated information

- Notice on the disposal of HPB own shares under the Share Buyback Programme

Hrvatska poštanska banka, p.lc., Zagreb, Jurišićeva ulica 4 (hereinafter: the Bank) in accordance with the Article 474 of the Capital Market Act, hereby discloses that, as per December 17, 2025, it has disposed of 30 own shares designation HPB, which represent 0.001481% of the Bank's shareholder equity.

Disposal of the mentioned own shares has been carried out in line with the Resolution by the General Assembly, made on August 30, 2023, granting the Management Board with authorization to purchase and to dispose of own shares, as well as in line with Share Buyback Programme commencing from November 8, 2023, with a duration of 2 (two) years.

Disposal that is the subject of this notice was carried out outside of regulated market based on concluded Agreements on share transfer. Transfer of shares from digital securities account opened in Central Depository & Clearing Company Inc., has been carried out on December 17, 2025.

Before the disposal mentioned above, the Bank had a total of 65 of own shares, representing 0.003210% of the Bank's shareholder equity. Following the disposal, Bank has a total of 35 own shares in its account, representing 0.001728% of the Bank's shareholder equity. Shareholder equity of the Bank amounts to EUR 161,970,000.00 and is divided into 2,024,625 common shares at face value of EUR 80.00 each.

Hrvatska poštanska banka, p.l.c.