Holding(s) in Company

Senior PLC
9 December 2002


                  DEALINGS BY SUBSTANTIAL SHAREHOLDERS


1)   NAME OF COMPANY

     SENIOR PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

     SCHRODER INVESTMENT 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

     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.

     SEE BELOW

5)   Number of shares/amount of stock acquired.

     -

6)   ( N/A %) of issued Class

7)   Number of shares/amount of stock disposed

     -

8)   ( N/A %) of issued Class

9)   Class of security

     ORDINARY SHARES OF 10p EACH

10)  Date of transaction



11)  Date company informed

     09/12/2002    

12)  Total holding following this notification

     45,015,922
               
13)  Total percentage holding of issued class following this notification

     14.645%

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

     Date of Notification ...9th DECEMBER 2002


LETTER TO SENIOR PLC

SENIOR PLC 
10p ORDINARY SHARES ('SHARES')

We write to advise you that we, Schroder Investment Management Limited, have an 
interest in 45,015,922 shares which are held in portfolios managed by us on a 
discretionary basis for clients under investment management agreements.

Included in this figure are:-

(i)    17,497,873 shares registered or to be registered in the name of our 
       wholly-owned subsidiary nominee company, Schroder Nominees Limited 
      (Schroder Nominees),

(ii)   8,473,431 shares held in (a) unit trust(s) operated and managed by an 
       affiliated company, Schroder Unit Trusts Limited (SUTL). These shares are 
       registered or to be registered in the name of Chase Nominees Limited.

(iii)  19,044,618 shares neither registered nor to be registered in the name of 
       Schroder Nominees Limited, The registration details are shown on schedule 
       A.

We believe that our interest represents some 14.645% of the total number of 
shares in issue, namely 307,363,211 shares.

This notification is made to you:-

(a) in respect of our interest as investment managers,

(b) on behalf of SUTL in relation to the interests they are treated as having
    respectively under the Companies Act 1985 (the Act), and

(c) on behalf of Schroders plc., our holding company, which is treated as having
    an interest in all of the above shares under the Act by virtue of its 
    ownership of SUTL and ourselves.
 
We would be grateful if you could kindly confirm the total number of shares 
currently in issue. 


                          SCHEDULE A 

                          SENIOR PLC 
                      
                      10p ORDINARY SHARES

REGISTRATION                                       AMOUNT

Bank of New York                                3,287,100 
Chase Nominees                                  1,344,000 
MSS Nominees Limited a/c: 846435                2,594,250 
Morgan Nominees Limited                         2,103,900
Nortrust Nominees Limited                       2,360,168
RBSTB Nominees Limited                          4,816,100
State Street Nominees Limited                     658,000
State Street Nominees Limited a/c: 5H57         1,881,100
                                               ----------
                                               19,044,618
                                               ==========

LETTER FROM SCHRODER INVESTMENT MANAGEMENT LIMITED 

                      This information is provided by RNS
            The company news service from the London Stock Exchange