KONCAR Elektroindustrija d.d.

Environmental & Social Information • Dec 5, 2025

KONČAR Inc.

Fallerovo šetalište 22, 10000 Zagreb

Security: KOEI-R-A

ISIN: HRKOEIRA0009

LEI: 74780000H0SHMRAW0I15 Home Member State: Croatia

Regulated Market Segment: Official Market of the Zagreb Stock Exchange

Zagreb, 5 December 2025

Subject: Contract signed for the design, procurement, delivery, installation, construction, and commissioning of a green hydrogen production, distribution, and storage plant

On 5 December 2025, the consortium comprising KONČAR Inc. and Siemens Energy Ltd. signed a contract with the client INA d.d. for the implementation of the project titled Design of the detailed execution project, procurement, delivery and installation of equipment and materials, construction works, and commissioning of the hydrogen production, distribution and storage facility on a turnkey basis for the Hydrogen Project. The total value of the contracted works amounts to EUR 22,5 million.

The project encompasses the construction of a facility equipped with electrolyzers, integrated control and monitoring systems, and the full suite of supporting infrastructure necessary to ensure safe and reliable operation. It also includes the installation of comprehensive safety, grounding, communication, fire protection, and explosion-proof systems, in strict compliance with safety standards governing hydrogen technologies.

As the first green hydrogen production facility in Croatia, this project marks a major step forward for KONČAR Group and its strategic focus on sustainable energy. Through this initiative, KONČAR affirms its role in advancing innovative, low-emission technologies, boosting energy efficiency, and supporting the decarbonisation of the industrial sector.

KONČAR Inc.