Holding(s) in Company

Impax Environmental Markets PLC
06 June 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
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
HSBC Nominees

5) Number of shares/amount of stock acquired
250,000

6) Percentage of issued class
0.50%

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
05 June 2003

11) Date company informed
6 June 2003

12) Total holding following this notification
1,700,000

13) Total percentage holding of issued class following this notification
3.40%

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: 6 June 2003


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