Institut IGH d.d.

Major Shareholding Notification • Oct 15, 2024

Ordinary share IGH-R-A, ISIN HRIGH0RA0006 Listed on the official market of the Zagreb Stock Exchange Share IGH-R-D, ISIN HRIGH0RD0003 Not 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, 15. october 2024.

SUBJECT: Notification of transaction, pledge agreement on shares

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, the issuer, competent authorities, and the investment public are hereby informed about the transaction related to the pledge agreement on shares.

Company SMIRNOV MANAGEMENT & TRANSPORTING j.d.o.o., OIB: 21228029860, has pledged to the creditor Oleg Nemyrovskyy, from Ukraine, OIB: 06035574752, the amount of 53,846 shares of the company Institut IGH, d.d. with the ticker symbol IGH-R-D, ISIN: HRIGH0RD0003, to secure a claim in the amount of 700,000.00 EUR.

Sincerely,

INSTITUT IGH, JSC

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

PHONE +385 (0)1 612 51 25 FAX +385 (0)1 612 54 01 EMAIL igh@igh.hr WEB www.igh.hr

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

EUR 14,814,630.00 Paid in full No of issued shares: : IGH 1,481,463

Nominal share value EUR 10

Share capital:

Reg.No.: 3750272 PIN: 79766124714

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

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

SMIRNOV MANAGEMENT & TRANSPORTING j.d.o.o. OIB: 21228029860

INSTITUT IGH, d.d. HANFA

In Zagreb, 15.10.2024.

Subject: Notification of transaction - Pledge agreement on shares

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 investment public is hereby informed about the transaction related to the pledge agreement on shares.

To secure a claim in the amount of 700,000.00 EUR, on October 8th 2024, company SMIRNOV MANAGEMENT & TRANSPORTING j.d.o.o., OIB: 21228029860, has pledged to the creditor Oleg Nemyrovskyy, OIB: 06035574752, from Ukraine, the amount of 53,846 shares with the symbol IGH-R-D, ISIN: HRIGH0RD0003 of the company Institut IGH, d.d., joint-stock company for research and development in construction, registered in the Court Register in Zagreb and headquartered in Zagreb, Janka Rakuše 1, OIB: 79766124714.

With regards,

SMIRNOV MANAGEMENT & TRANSPORTING j.d.o.o. Director Pavlo Smirnov