Holding(s) in Company

Senior PLC
17 July 2006


                            SCHEDULE 10

             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF LISTED COMPANY

SENIOR plc

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

BARCLAYS PLC

3)   Please state whether notification indicates that it is 
     regarding the holding of the shareholder named in 2 above;
     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.

PLEASE SEE ATTACHED (BELOW)

5)   Number of shares/amount of stock acquired.

-

6)   Percentage of issued Class (any treasury shares held by the
     listed company should not be taken into account when
     calculating percentage)

-

7)   Number of shares/amount of stock disposed

-

8)   Percentage of issued Class (any treasury shares held by the
     listed company should not be taken into account when
     calculating percentage)

-

9)   Class of security

ORDINARY SHARES OF 10p EACH


10)  Date of transaction

-

11)  Date listed company informed

17/07/06


12)  Total holding following this notification

16,904,437
               
13)  Total percentage holding of issued class following this notification
     (any treasury shares held by the listed company should not be taken
     into account when calculating percentage)

5.21%

14)  Any additional information



15)  Name of contact and telephone number for queries

M ROLLINS
01923 714738


16)  Name and signature of duly authorised officer of the listed company
     responsible for making this notification

M ROLLINS
GROUP FINANCE DIRECTOR

     Date of Notification ....... 17TH JULY, 2006



                          
                          LEGAL ENTITY REPORT

SENIOR                                                           SEDOL: 0795823

As at 12 July 2006 Barclays PLC, through the legal entities listed below, had a
notifiable interest in 16,904,437 ORD GBP0.10 representing 5.21% of the issued 
share capital of 324,380,568 units.


Legal Entity                                             Holding      Percentage 
                                                                            Held

Barclays Capital Securities Ltd                        2,084,760           .6427
Barclays Bank Trust Company Ltd                          130,000           .0401
Gerrard Ltd                                               42,110           .0130
Barclays Global Investors Ltd                         12,956,017          3.9941
Barclays Life Assurance Co Ltd                         1,691,550           .5215

                              
                                 Group Holding        16,904,437          5.2114


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