Holding(s) in Company

Impax Environmental Markets PLC
13 December 2002

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1)   Name of company
Impax Environmental Markets plc


2) Name of shareholder having a major interest
Merchant Investors Assurance Company


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
HSBC Global Custody Nominee (UK) Limited


5) Number of shares/amount of stock acquired
-


6) Percentage of issued class
5.85%


7) Number of shares/amount of stock disposed
475,000


8) Percentage of issued class
5.85


9) Class of security
Ordinary shares of 10p


10) Date of transaction
325,000 on the 11/12/02

150,000 on the 12/12/02


11) Date company informed
12 December 2002


12) Total holding following this notification
2,925,000


13) Total percentage holding of issued class following this notification
5.85%


14) Any additional information



15) Name of contact and telephone number for queries

J.L. Luetchford  0207-490-4355


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

J.L. Luetchford

Date of notification 13 December 2002



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