Holding(s) in Company

Senior PLC
04 December 2006


                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


1. Name of company

Senior plc

2. Name of shareholder having a major interest

Barclays PLC

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

As 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

As set out below.

5. Number of shares / amount of stock acquired

-

6. Percentage of issued class

-

7. Number of shares / amount of stock disposed

-

8. Percentage of issued class

-

9. Class of security

Ordinary 10 p

10. Date of transaction

-

11. Date company informed

4 December 2006

12. Total holding following this notification

27,898,584

13. Total percentage holding of issued class following this notification

7.16%

14. Any additional information

Shareholding now greater than 7% threshold.

15. Name of contact and telephone number for queries

A Bodenham, 01923 714745

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

As above.

Date of notification

4 December 2006


Registered Holder                   Account Designation           Holding

Barclays Capital Nominees Ltd                         -         4,666,050
Barclays Trust Co                                 DMC69           156,000
Chase Nominees Ltd                                16376           221,482
Chase Nominees Ltd                                20947        14,646,135
Chase Nominees Ltd                                21359         1,204,876
Chase Nominees Ltd                                28270           445,879
JP Morgan (BGI Custody)                           16331           455,185
JP Morgan (BGI Custody)                           16341         1,016,824
JP Morgan (BGI Custody)                           16344           225,799
JP Morgan (BGI Custody)                           16345           424,329
JP Morgan (BGI Custody)                           16400         2,312,959
JP Morgan (BGI Custody)                           16482         1,776,337
JP Morgan (BGI Custody)                           18409           306,200
RC Grieg Nominees Ltd a/c                                          11,532
RC Grieg Nominees Ltd a/c                           GP1             2,140
RC Grieg Nominees Ltd a/c                           AK1            19,164
RC Grieg Nominees Ltd a/c                           BL1             2,688
RC Grieg Nominees Ltd a/c                           CM1             5,005
                            
TOTAL                                                          27,898,584




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