Mandatory Notification of Trade by Close Associate of Primary Insider

Atlichka Holding AS, a close associate of Board Member and primary insider Atle Mundheim, has sold 70,000 shares to Haugland Gruppen AS at a price of NOK 10.30 per share on October 18. After this transaction, Atlichka Holding AS holds a total of 1,838,019 shares in M Vest Water AS. In addition to the shares held by Atlichka Holding AS, Board Member and primary insider Atle Mundheim holds private in total 180,000 share options in M Vest Water AS. Please see the attached primary insider notification form for further information. This information is subject to the disclosure requirements pursuant to article 19 of the EU Market Abuse Regulation and section 5-12 of the Norwegian Securities Trading Act. About M Vest Water AS: M Vest Water is an environmental technology company which has developed unique products and solutions to the water treatment industry, both Industrial as well as the Municipal markets. The products are non-toxic, biodegradable and can be left in nature without any harm to the environment. It obtains the highest degree of purification in a cost-efficient arrangement. M Vest Water is listed on Euronext Growth under the ticker MVW. For more information, visit www.mvestwater.com.