Holding(s) in Company

Impax Environmental Markets PLC
11 February 2004

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1)    Name of company
Impax Environmental Markets plc

2) Name of shareholder having a major interest
British Empire Securities and General Trust 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
The shareholder named in 2 above

4) Name of the registered holder(s) and, if more than one holder, the number of
shares held by each of them
JP Morgan Crest A/c BT01C

5) Number of shares/amount of stock acquired
532,500

6) Percentage of issued class
1.064%

7) Number of shares/amount of stock disposed
n/a

8) Percentage of issued class
n/a

9) Class of security
Ordinary shares of 10p

10) Date of transaction
05 February 2004

11) Date company informed
11 February 2004

12) Total holding following this notification
2,810,000

13) Total percentage holding of issued class following this notification
5.62%

14) Any additional information
n/a

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
Anthony Lee

Date of notification 11 February 2004



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