Holding(s) in Company

Senior PLC
13 August 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 SHARE OF 10p EACH 

10)  Date of transaction

     -

11)  Date company informed

     13 AUGUST 2002

12)  Total holding following this notification

     57,323,325 
                
13)  Total percentage holding of issued class following this notification 

     18.649%

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      13 AUGUST 2002  




Letter to Senior Plc
13 August 2002

SENIOR PLC
10p ORDINARY SHARES ('SHARES')

We write to advise you that we, Schroder Investment Management Limited, have an 
interest in 53,923,325 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)   21,272,365 shares registered or to be registered in the name of our 
      wholly-owned subsidiary nominee company, Schroder Nominees Limited
      (Schroder Nominees),

(ii)  10,581,384 shares held in (a) unit trust(s) operated and managed by 
      an affiliated company, Schroder Unit Trusts Limited (SUTL). 10,548,287  
      shares are registered or to be registered in the name of Chase Nominees 
      Limited,

(iii) 22,069,576 shares neither registered nor to be registered in the name of
      Schroder Nominees Limited. The registration details are shown on  
      schedule A. 


An affiliated company, SIM North America Inc (SIMNA Inc), is managing (a)   
portfolio(s) on a discretionary basis holding a further 3,400,000 shares which   
are registered or to be registered in the name of Chase Nominees Limited.

We believe that we and our subsidiary and affiliated companies are therefore   
interested in an overall aggregate of 57,323,325 shares, representing some   
18.649% 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 SIMNA Inc and 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 SIMNA Inc, SUTL and ourselves. 


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                        2,177,028    
Chase Nominees                                                  1,344,000   
Mineworkers' Pension Scheme a/c: R                                936,280    
MSS Nominees Limited a/c: 846435                                2,693,100
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 
                                                               ---------- 
                                                               22,069,576 
                                                               ========== 

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

END 

HOLUOSNRUARWAAR