Impax Asset Management Regulatory News (IEM)

Impax Environmental Markets plc (the 'Company')

LEI: 213800RAR6ZDJLZDND86

Total Voting Rights

In accordance with Rule 5.6.1 of the Financial Conduct Authority's ('FCA') Disclosure Guidance and Transparency Rules, as at 28 February 2026, the total number of Ordinary shares of 10p each ('shares') of the Company in issue is 305,623,539, of which 115,212,960 shares are held in Treasury. Therefore, the total number of shares with voting rights is 190,410,579.

The above figure of 190,410,579 may be used by shareholders (and others with notification obligations) as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company under the FCA's Disclosure Guidance and Transparency Rules.

For further information, please contact:

Juniper Partners Limited

Company Secretary

email: cosec@junipartners.com

Tel: 0131 378 0500

2 March 2026