Mandatory notification of trade by close associates

31 Oct 2025 16:55 CET

31 October 2025: Reference is made to the stock exchange announcement by M
Vest Water AS (the "Company") on 29 October 2025 regarding the successfully
placed private placement of 1,000,000 new shares in the Company, each at a
subscription price of NOK 8.00 (the "Offer Price") (the "Private Placement").

M Vest Invest AS, a closely associated company to Tor Olav Gabrielsen, the
chairperson of the Company's board of directors, has subscribed for and been
allocated 1,318,558 new shares (the "New Shares") in the Company at a
subscription price of NOK 8 per share. Of the New Shares, 266,667 shares were
subscribed for in connection with the Private Placement and 1,051,891 shares
have been subscribed for in connection with the conversion of a shareholder
loan into additional shares in the Company at a price per share equal to the
Offer Price.

Subject to the issuance of the New Shares, M Vest Invest AS holds 11,980,774
shares in the Company.

Please refer to the attached notifications of trading for further details.

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
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.

This information is subject to the disclosure requirements pursuant to section
5-12 of the Norwegian Securities Trading Act and article 19 of the EU 596/2014
Market Abuse Regulation (MAR).

Contact
For further information, please contact:

Morten Hilton Thomassen, CFO
mht@mvestwater.com
+47 92 25 85 70

More information:
Access the news on Oslo Bors NewsWeb site

658497_M Vest Water AS PDMR.pdf
658497_Mandatory notification of trade by close associates.pdf