Publication of Annual Report

27 November 2014

Impax Asset Management Group plc (the "Company")

Publication of Annual Report and Accounts

In accordance with Rule 26 of the AIM Rules for Companies a copy of the annual report and accounts for the year ended 30 September 2014 is available on the Company's website. A further notification will be made when the annual report is posted to shareholders.

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Enquiries:

Ian Simm Tel: + 44 (0) 20 7434 1122 (switchboard)

Chief Executive

Impax Asset Management Group plc

Norfolk House, 31 St James's Square,

London, SW1Y 4JR

www.impaxam.com

Anne Gilding Tel: +44 (0) 20 7434 1122 (switchboard)

Head of Brand Communications Tel: +44 (0) 20 7432 2602 (direct)

Impax Asset Management Group plc Tel: +44 (0) 7881 249612 (mobile)

Norfolk House, 31 St James's Square,

London, SW1Y 4JR Email: [email protected]

www.impaxam.com

Guy Wiehahn Tel: +44 (0) 20 7418 8893Nominated Adviser and BrokerPeel Hunt LLP