Result of General Meeting

18 October 2017

Impax Asset Management Group plc (the "Company")

Result of General Meeting

Following the announcement made by the Company on 18 September 2017 regarding the agreement to acquire Pax World Management LLC, the Company confirms that at the Company's General Meeting held today, the resolution was duly passed. This was the only resolution proposed to shareholders at the General Meeting and was in relation to approval of the proposed borrowing by the Company in connection with the financing of the acquisition.

- ENDS -

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