Holding(s) in Company

Senior PLC
01 August 2005

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


1. Name of company

Senior plc


2. Name of shareholder having a major interest

Notification by Aviva plc on behalf of Aviva plc and Morley Fund Management 
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

As 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

BNY Norwich Union Nominees Ltd - 2,197,763

Chase GA Group Nominees Limited - 8,733,767

Chase Nominees Limited - 1,288,538

CUIM Nominee Limited - 2,053,058


5. Number of shares / amount of stock acquired

-


6. Percentage of issued class

-


7. Number of shares / amount of stock disposed

1,500,000


8. Percentage of issued class

0.49%


9. Class of security

Ordinary 10p


10. Date of transaction

29 July 2005


11. Date company informed

1 August 2005


12. Total holding following this notification

14,273,126


13. Total percentage holding of issued class following this notification

4.64%


14. Any additional information

-


15. Name of contact and telephone number for queries

A Bodenham 01923 714745


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

As above.


Date of notification

1 August 2005


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