Net Asset Value(s)

Impax Environmental Markets plc announces that as at the close of business on
01 February 2010 its unaudited net asset value ("NAV") per ordinary share
("Share") was as follows:


 Undiluted NAV per Share (including current financial year revenue      126.64p
 items)


 Undiluted NAV per Share (excluding current financial year revenue      125.86p
 items)


 Diluted NAV per Share (including current financial year revenue items) 124.87p


 Diluted NAV per Share (excluding current financial year revenue items) 124.14p



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.

No adjustment for dilution to the above NAV has been made in respect of any
shares held in treasury as the Company's presently stated policy is that
treasury shares will not be sold at less than NAV.



[HUG#1379855]