Holding in Company

Senior PLC
21 September 2000


                  DEALINGS BY SUBSTANTIAL SHAREHOLDERS


1)   NAME OF COMPANY

     SENIOR PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

     FMR CORP.

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 LETTER 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
     
     10p ORDINARY SHARES

10)  Date of transaction



11)  Date company informed

     21 SEPTEMBER 2000

12)  Total holding following this notification

     16,807,844
               
13)  Total percentage holding of issued class following this notification

     5.47%

14)  Any additional information



15)  Name of contact and telephone number for queries

     Mr LEIGH GRANT - 01923-714712

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

     Date of Notification ...21 SEPTEMBER 2000


NOTIFICATIONS UNDER SECTIONS 198 TO 202 -- UK COMPANIES ACT

1. Company in which shares are held:  SENIOR PLC

2. Notifiable Interest:   ORDINARY SHARES

           Fidelity International Limited (FIL)
           P.O. BOX HM 670
           Hamilton HMCX, Bermuda

           Parent holding company for various direct and indirect subsidiaries,
           including Fidelity Investment Services Ltd (FISL), and Fidelity
           Pension Management (FPM), investment managers for various non-US     
           investment companies and institutional clients. (See Schedule A for  

           listing of Registered Shareholders and their holdings).

3.     The notifiable interests also comprise the notifiable interest of

           Mr Edward C Johnson 3d
           82 Devonshire Street
           Boston, MA 02109

       A principal shareholder of Fidelity International Limited.

4.     The notifiable interests include interest held on behalf of authorized
       unit trust schemes in the U.K. notwithstanding the exemption from 
       reporting pursuant to Section 209 (1) (e) of the Companies Act 1985.

5.     These notifications of disclosable interests constitute separate
       notifications of interest in the shares and are combined solely for 
       the purposes of clarity. Nothing herein should be taken to indicate 
       that Fidelity International Limited and its direct and indirect          
       subsidiaries, or Mr Edward C Johnson 3d act as a group or in concert in  

       respect of the disclosed interests, or that they are required to submit  

       these notifications on a joint basis.

6.     The disclosable interests arise under section 208(4) (b) of the Act,
       namely where a person, not being the registered holder, is entitled
       to exercise a right conferred by the holding of the shares or to 
       control the exercise of such rights, or under section 203 of the Act
       respectively.

SCHEDULE A

SECURITY: SENIOR PLC                                Amendment No 13


                      SHARES HELD   MANAGEMENT   NOMINEE/REGISTERED
                                     COMPANY     NAME
(Ordinary Shares)
                       5,914,229      FISL       Clydesdale Bank (Head Office)
                                                 Nominees Limited              
                          66,200      FPM        Gracechurch Nominees
                         542,500      FPM        RBS Trust Bank
                          94,690      FPM        Nortrust Nominees Ltd
                       1,786,300      FPM        Bankers Trust
                       2,573,350      FPM        Chase Nominees Ltd
                         178,870      FPM        MSS Nominees Ltd
                          54,000      FPM        BT Globenet Nominees Ltd
                          88,240      FPM        Citibank
                          70,160      FIL        Citibank
                         414,800      FIL        Nortrust Nominees Ltd
                          92,600      FIL        Bankers Trust
                       1,447,900      FIL        RBS Trust Bank
                         339,600      FIL        BT Globenet Nominees Ltd
                         811,005      FIL        RBS Trust Bank
                       1,933,500      FIL        Chase Nominees Ltd
                         319,700      FIL        Clydesdale Bank (Head Office)
                                                 Nominees Limited
                          80,200      FIL        Bank of New York Europe

TOTAL ORDINARY SHARES:16,807,844

CURRENT OWNERSHIP 
PERCENTAGE:                5.47%

SHARES IN ISSUE:     307,380,913

CHANGE IN HOLDINGS 
SINCE LAST FILING:    (3,095,400) ORDINARY SHARES