Atlantic Grupa d.d.

Transaction in Own Shares • Nov 26, 2025

ATLANTIC GRUPA d.d. Miramarska 23 10 000 Zagreb

SECURITY: ATGR / ISIN: HRATGRRA0003

3ATG2 / ISIN: HRATGRO25CA5 3ATG3 / ISIN: HRATGRO305A0

LEI: 3157002G3ENYCZEB1A25 HOME MEMBER STATE: Croatia

REGULATED MARKET SEGMENT: Prime Market of the Zagreb Stock Exchange

Zagreb, 26 November 2025

• regulated information (acquisition of Company's shares)

Notification on the acquisition of Company's shares

Pursuant to the Article 474 paragraph 1 of the Capital Markets Act, Decision on granting an authorization to the Management Board to acquire treasury shares and the Decision on the exclusion of pre-emption rights of existing shareholders, adopted by the General Assembly on 27 June 2024 and the plan of acquisition of Company's shares in 2025 with the purpose of the offer of Company's share through the share option program to its employees or employees of its associate companies, as announced in the notification published on 13 February 2025, Atlantic Grupa d.d., Miramarska 23, Zagreb (hereinafter: the Company) announces the acquisition of:

• 7,240 Company's shares of the total nominal amount of EUR 57,920.00, which represents 0.054% of the subscribed capital of the Company, acquired by trading at the Zagreb Stock Exchange on 24 November 2025, at an average price of EUR 42.20 per share;
• 424 Company's shares of the total nominal amount of EUR 3,392.00, which represents 0.003% of the subscribed capital of the Company, acquired by trading at the Zagreb Stock Exchange on 25 November 2025, at an average price of EUR 42.20 per share.

Before said acquisition the Company owned 75,272 shares, of the total nominal amount of EUR 602,176.00, which represents 0.56% of the subscribed capital of the Company, while after said acquisition the Company owns 82,936 shares, of the total nominal amount of EUR 663,488.00, which represents 0.62% of the subscribed capital of the Company.

Atlantic Grupa d.d.