Holding(s) in Company

Impax Environmental Markets PLC
16 October 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
Perpetual Income and Growth Investment Trust

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
Vidacos Nominees Ltd

5) Number of shares/amount of stock acquired
1,000,000

6) Percentage of issued class
2.00%

7) Number of shares/amount of stock disposed
-

8) Percentage of issued class
-

9) Class of security
Ordinary shares of 10p

10) Date of transaction
7 October 2003

11) Date company informed
15 October 2003

12) Total holding following this notification
2,500,000

13) Total percentage holding of issued class following this notification
5.00%

14) Any additional information
The above is a client of AMVESCAP PLC and subsidiary companies. The Company has
been informed that AMVESCAP and subsidiary companies no longer hold an interest
within the meaning of the Companies Act 1985.

15) Name of contact and telephone number for queries

A.Lee 020-7490-4355

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

A.Lee

Date of notification 16 October 2003






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