HAV Group: Management change in subsidiary

9 September 2026 – Håvard Gjelseth has decided to step down from his role as managing director of HAV Group’s water treatment systems business. Thor Valsø-Jørgensen has been appointed interim managing director.

The operating unit of the water treatment systems business is called Norwegian Greentech. The company is a supplier of ballast water treatment systems and other systems for purification of water for use in the aquaculture industry and in the maritime sector.

“Håvard was one of the co-founders of Norwegian Greentech in 2011. He has been a vital part of developing the company’s core technologies and firmly establishing it as an internationally renowned supplier of ballast and other water treatment solutions. We are deeply thankful for benefiting from his dedication over the past 15 years and we respect his decision to step down from the role as managing director,” says Gunnar Larsen, chairman of Norwegian Greentech and CEO of the company’s parent group HAV Group ASA.

Håvard Gjelseth comments: “After 15 rewarding years at Norwegian Greentech, the time has come for me to pursue new challenges. It has been an exciting journey, and I am proud of what we have built together over the years. I am grateful for the opportunity to have worked with so many talented colleagues, customers and partners, and for all the valuable experiences I have gained along the way. I look forward to applying this knowledge in new endeavours. I wish Norwegian Greentech, its employees and HAV Group every success in the future.”

Thor Valsø-Jørgensen has been appointed as interim managing director of Norwegian Greentech. Valsø-Jørgensen is a senior industrial executive with extensive operational leadership experience in project-based manufacturing, maritime, offshore, and renewable energy industries. He has a solid track record from turnarounds and business transformations.

Valsø-Jørgensen has previously held CEO roles at Nextcable, Addtech-owned maritime industry supplier Bruusgaard, and marine operations player Semar. He has also held senior management roles at technology services company Force Technology and Swedish industrial technology company Permascand (now Elicron). Valsø-Jørgensen has a MSC in materials science from the Norwegian University of Science and Technology – NTNU.

(ENDS)

For further information, please contact:

Gunnar Larsen, CEO

gunnar.larsen@havgroup.no

+47 901 05 694

About HAV Group | www.havgroup.no HAV Group and its subsidiaries (together: “HAV Group”) is an international provider of technology and services for maritime industries. The Group applies its specialist competence, technologies and solutions to improve vessel performance, safety, environmental footprint and lifetime value for shipowners. HAV Group ASA is listed on Euronext Growth under the ticker code HAV.