RNS Number:4585U
Impax Group PLC
20 January 2004


SCHEDULE 10

NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Name of company

Impax Group plc...........................

2. Name of shareholder having a major interest

Swan Corporation 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

...............................................................

4. Name of the registered holder(s) and, if more than one holder, the number of
shares held by each of them

Pershing Keen Nominees Limited MSHL                                  1,022,500
Pershing Keen Nominees Limited TMSW0014                              1,490,000
Pershing Keen Nominees Limited TMSU0070                              5,296,000
...............................................................

5. Number of shares / amount of stock acquired

...............................................................

6. Percentage of issued class

...............................................................

7. Number of shares / amount of stock disposed

...............................................................

8. Percentage of issued class

...............................................................

9. Class of security

Ordinary Shares of 1p.........

10. Date of transaction

...............................................................


11. Date company informed

20 January 2004
.......................................

12. Total holding following this notification

7,808,500 Ordinary Shares..................

13. Total percentage holding of issued class following this notification

22.004%..............................

14. Any additional information

...............................................................

15. Name of contact and telephone number for queries

Debbie Fowler, 020 7434 1122....................................................

16. Name and signature of authorised company official responsible for making
this notification

Debbie Fowler, Company
Secretary...............................................................

Date of notification

20 January 2004...............................................................

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