Holding(s) in Company

Senior PLC
7 October 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

      4 OCTOBER 2002

12)  Total holding following this notification

      48,255,386
               
13)  Total percentage holding of issued class following this notification

      15.699%

14)  Any additional information

      -

15)  Name of contact and telephone number for queries

      L GRANT
      01923 714712

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

     L GRANT
     GROUP COMPANY SECRETARY

     Date of Notification ....7th OCTOBER 2002
 

Letter to Senior Plc - dated 4 October 2002

SENIOR PLC 
10p ORDINARY SHARES ('SHARES')

We write to advise you that we, Schroder Investment Management Limited, have an 
interest in 48,255,386 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)    20,280,237 shares registered or to be registered in the name of our 
       wholly-owned subsidiary nominee company, Schroder Nominees Limited 
       (Schroder Nominees),

(ii)   9,223,431 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)  18,751,718 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 15.699% of the total number of 
shares in issue, namely 307,383,211 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.
 
From:  Schroder Investment Management Limited



                                 SCHEDULE A 
                                 SENIOR PLC
                            10p ORDINARY SHARES


REGISTRATION                                        AMOUNT

Bank of New York                                    3,208,900
Chase Nominees                                      1,344,000
MSS Nominees Limited a/c: 846435                    2,488,550 
Morgan Nominees Limited                             2,103,900
Nortrust Nominees Limited                           2,352,568 
RBSTB Nominees Limited                              4,755,300
State Street Nominees Limited                         658,000 
State Street Nominees Limited a/c: 5H57             1,840,500

                                                   18,751,718



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