Holding(s) in Company

Impax Environmental Markets PLC
08 May 2003

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1)   Name of company
Impax Environmental Markets plc


2) Name of shareholder having a major interest
AMVESCAP PLC


3) Please state whether notification indicates that it is in respect of
holding of the shareholder named in 2 above or in respect of a
non-beneficial interest or in the case of an individual holder if it is a
holding of that person's spouse or children under the age of 18
Holdings on behalf of discretionary clients by the shareholder named in 2 above
and its subsidiaries


4) Name of the registered holder(s) and, if more than one holder, the
number of shares held by each of them
Vidacos Nominees Ltd 3,656,000, Chase Nominees Ltd 279,000, HSBC Nominees Ltd
755,000, Nortrust Nominees Ltd 325,000


5) Number of shares/amount of stock acquired
-


6) Percentage of issued class
-


7) Number of shares/amount of stock disposed
1,000,000


8) Percentage of issued class
2.0%


9) Class of security
Ordinary shares of 10p


10) Date of transaction
6 May 2003


11) Date company informed
7 May 2003


12) Total holding following this notification
5,015,000


13) Total percentage holding of issued class following this notification
10.03%


14) Any additional information
Total holding includes 1,600,000 (3.2%) held by INVESCO Perpetual UK Growth Fund


15) Name of contact and telephone number for queries

A.Lee  0207-490-4355


16) Name of authorised company official responsible for
making this notification

A.Lee

Date of notification 8 May 2003



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