Net Asset Value(s)

Impax Environmental Markets plc announces that as at the close of
business on 27 January 2009 its net asset value ("NAV") per ordinary
share ("Share") was as follows:


Undiluted NAV per Share (including current financial year      97.43p
revenue items)

Undiluted NAV per Share (excluding current financial year      96.46p
revenue items)

Diluted NAV per Share (including current financial year        97.35p
revenue items)

Diluted NAV per Share (excluding current financial year        96.43p
revenue items)



Investments in the Company's portfolio have been valued on a bid
price basis.

Diluted NAV per Share assumes full conversion of all outstanding
warrants.

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