Holding(s) in Company

Impax Environmental Markets PLC
30 March 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
Reliance Mutual Insurance Society Limited

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
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
State Street Nominees

5) Number of shares/amount of stock acquired
550,000

6) Percentage of issued class
1.10%

7) Number of shares/amount of stock disposed
Nil

8) Percentage of issued class
Nil

9) Class of security
Ordinary shares of 10p

10) Date of transaction
29 March 2004

11) Date company informed
30 March 2004

12) Total holding following this notification
2,250,000


13) Total percentage holding of issued class following this notification
4.50%

14) Any additional information
None

15) Name of contact and telephone number for queries
Anthony Lee Tel: [phone]

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

Date of notification: 30 March 2004




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