Holding(s) in Company

Senior PLC
11 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

11 December 2006

12. Total holding following this notification

39,722,303

13. Total percentage holding of issued class following this notification

10.19%

14. Any additional information

Shareholding now greater than 10% 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

11 December 2006


Registered Holder          Account Designation                Holding

Bank of Ireland                         258227                349,688
Bank of Ireland                        4239749                666,619
Bank of Ireland                         427057                326,978
Bank of Ireland Nominees Ltd    CREST ID.11X13              1,038,180
Bank of New York                        210405                273,241
Bank of New York                        221428                501,857
Bank of New York                        768198                117,759
Barclays Capital Nominees Ltd                               4,716,212
Barclays Trust Co                        DMC69                156,000
Chase Nominees Ltd                       16376                221,482
Chase Nominees Ltd                       20947             15,731,412
Chase Nominees Ltd                       21359              1,265,062
Chase Nominees Ltd                       25772                279,974
Chase Nominees Ltd                       27800              1,225,875
Chase Nominees Ltd                       28270                383,834
Chase Nominees Ltd                       31961              1,654,582
Citibank                            6010782807                358,294
HSBC                                    845315                  5,992
JP Morgan (BGI Custody)                  16331                455,185
JP Morgan (BGI Custody)                  16341              1,078,869
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)                  16610                240,000
JP Morgan (BGI Custody)                  16612                443,760
JP Morgan (BGI Custody)                  16901                101,586
JP Morgan (BGI Custody)                  18409                306,200
JP Morgan (BGI Custody)                  38245                 46,503
Midland Bank (HSBC Bank plc)            772823              1,019,332
Northern Trust                           CVS21                758,468
Northern Trust                           TNF01                414,032
Northern Trust                           UKE01                647,241
RC Grieg Nominees Ltd                        -                 11,532
RC Grieg Nominees Ltd                        -                 85,495
RC Grieg Nominees Ltd                      GP1                 37,500
RC Grieg Nominees Ltd                      GP1                  2,140
RC Grieg Nominees Ltd                      SA1                 13,538
RC Grieg Nominees Ltd                      AK1                 19,164
RC Grieg Nominees Ltd                      BL1                  2,688
RC Grieg Nominees Ltd                      BL1                 21,600
RC Grieg Nominees Ltd                      CM1                  5,005

TOTAL                                                      39,722,303






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