Institut IGH d.d.

Board/Management Information • Jul 25, 2025

Ordinary share IGH-R-A, ISIN HRIGH0RA0006 Listed on the official market of the Zagreb Stock Exchange Home Member State: Croatia LEI mark: 74780000W0UQ8MF2FU71

ZAGREB STOCK EXCHANGE HANFA HINA Ivana Lučića 2a Miramarska 24b ots@hina.hr 10000 Zagreb 10000 Zagreb

Zagreb, 25. July 2025

SUBJECT: Notice on the held Supervisory Board Meeting

Respected,

In accordance with the provisions of Regulation (EU) No 596/2014 of the European Parliament and of the Council of April 16th 2014 on market abuse (Market Abuse Regulation), the Capital Market Act, and the Rules of the Zagreb Stock Exchange, we hereby inform you as follows:

INSTITUT IGH, d.d. Zagreb, Janka Rakuše 1, OIB: 79766124714 (hereinafter: the Company) announces that on 25. July 2025, the Supervisory Board meeting of INSTITUT IGH, d.d. was held, at which the following was considered and adopted:

• unrevised, consolidated and unconsolidated financial report for second quarter of year 2025.

Furthermore, at the same Meeting, the Supervisory Board acknowledged and accepted the resignation of the CEO Mr. Robert Petrosian, which will take effect on September 30, 2025. Mr. Petrosian, believing that he has achieved the strategic goals of the Company set at the time of his first appointment over five years ago, will continue his work at the Institute IGH, d.d., fully focusing on external markets, which represent a key segment of the Company's future development. The Supervisory Board will ensure, no later than September 30, 2025, the appointment of a top-level manager who will take over the position of CEO from Mr. Petrosian and lead the Company in the upcoming period.

Sincerely,

INSTITUT IGH, JSC

INSTITUT IGH, d.d. Janka Rakuše 1 10000 Zagreb, Croatia

PHONE: +385 (0)1 612 51 25 EMAIL: igh@igh.hr WEB: www.igh.hr

Business bank: Hrvatska poštanska banka d.d IBAN: HR3423900011198006586 SWIFT code: HPBZHR2X

Reg.No.: 3750272 PIN: 79766124714

Competent court: Commercial Court in Zagreb Register entry with company registration No. 080000959

Share capital: EUR 14,814,630.00, Paid in full

No. of issued shares: IGH 1,481,463 Nominal share value EUR 10

Management Board:

Robert Petrosian, President of the Management Board Marija Đuroković, Member of the Management Board Tatjana Bičanić, Member of the Management Board Josip Majer, Member of the Management Board

Supervisory Board: Žarko Dešković, MEng.CE President of the Supervisory Board