Reporting of transactions made by persons discharging managerial responsibilities and persons closely associated with them in Aquaporin’s shares

Company announcement no. 4/2021

Pursuant to the Market Abuse Regulation article 19, Aquaporin A/S, CVR no. 28315694 (“Aquaporin” or the “Company”), shall hereby notify receipt of information of the following transactions made by persons discharging managerial responsibilities in Aquaporin and persons closely associated with them in Aquaporin's shares and other financial instruments linked thereto.

Reference is made to the company announcement no. 1/2020 dated 14 June 2021 and the Prospectus as published by the Company in connection with the initial public offering (the “Offering”) and admission to trading and official listing (“Listing”) of the Company’s shares on Nasdaq Copenhagen A/S (the “Listing”) on 14 June 2021 (the “Prospectus”).

Transactions made in connection with the exercise of warrants
In connection with the exercise of warrants as described in the Prospectus, the attached transactions have been made by persons discharging managerial responsibilities in Aquaporin.

For additional information, please contact:

Aquaporin

Niels Heering, Chairman

Peter Holme Jensen, CEO

Mikkel Tanderup, Head of Investor Relations

Contact information: +45 53 55 55 05,investorrelations@aquaporin.com

About Aquaporin

The Company is a water technology company headquartered in Denmark with operations in Denmark, Singapore and the United States. The aim of the Company’s technology is to contribute to a more sustainable world by focusing on encouraging responsible consumption of water. As a result, the Company is committed to developing and providing cost-efficient, sustainable and environmentally responsible solutions to the growing need for access to clean drinking water, treating and reusing wastewater and improving concentration and separation performance. For this purpose, the Company has developed a proprietary and patent-protected formulation for the protein aquaporin, which enables a high rejection rate of pollutants, high recovery rate of clean water and low energy consumption. The Company’s proprietary technology, Aquaporin Inside®, is based on Nobel Prize-winning research and used to clean and reuse water in our homes and in the industrial water and food and beverage industry. Aquaporin works with customers and partners around the globe to sustainably treat industrial wastewater, concentrate food and beverage products and enhance drinking water quality and accessibility. Read more onwww.aquaporin.com