Circ re. Changes to Articles of Association

Impax Environmental Markets plc

Changes to Articles of Association and notice of General Meeting

A copy of the above document has been sent to the UK Listing
Authority, and will shortly be available for inspection at the UK
Listing Authority's Viewing Facility, which is situated at:

Financial Services Authority
25 The North Colonnade
Canary Wharf
London
E14 5HS

Tel. no. 020 7676 1000

A copy of the document is also available on the website
www.impax.co.uk

29 August 2008

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