Holding(s) in Company

Senior PLC
1 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)   ( - %) of issued Class 

7)   Number of shares/amount of stock disposed

     -

8)   ( - %) of issued Class 

9)   Class of security

     ORDINARY SHARES OF 10p EACH  

10)  Date of transaction

     -

11)  Date company informed

     1 OCTOBER 2002 

12)  Total holding following this notification

     49,489,402 
                
13)  Total percentage holding of issued class following this notification 

     16.100%

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 


     Date of Notification      1st OCTOBER 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 49,489,402 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)  10,424,447 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) 18,784,718 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 16.100% 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. 


Letter from Schroder Investment Management Limited  



                                SCHEDULE A  
                
                                SENIOR PLC  

                            10p ORDINARY SHARES 

REGISTRATION                                                       AMOUNT 

Bank of New York                                                2,900,000      
British Coal Staff Superannuation a/c: P                           33,000
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                                          5,064,200      
State Street Nominees Limited                                     658,000      
State Street Nominees Limited a/c: 5H57                         1,840,500 
                                                               ---------- 
                                                               18,784,718 
                                                               ========== 


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

END 

HOLUAVNRUURRRAA