Holding(s) in Company

Senior PLC
23 November 2007


1. Identity of the issuer or the underlying issuer of existing shares to which
   voting rights are attached:                   

Senior plc

2. Reason for notification (yes/no)

An acquisition or disposal of voting rights                               

3. Full name of person(s)subject to notification obligation

AXA S.A. and its group of companies

4. Full name of shareholder(s)(if different from 3):
                                              

5. Date of transaction (and date on which the threshold is crossed or reached if
   different):

21/11/07

6. Date on which issuer notified:

22/11/07

7. Threshold(s) that is/are crossed or reached:

5%
                      
8. Notified Details

A: Voting rights attached to shares

Class/type  Situation previous to the   Resulting situation after the triggering
of shares   triggering transaction      transaction
If possible
use ISIN    Number of      Number of    Number of      Number of voting          Percentage of
code         shares      voting rights   shares            rights                voting rights
                                                      Direct     Indirect       Direct Indirect

07958233    19,498,901   19,498,901     2,459,514    2,459,514  17,053,238       0.63    4.37
Ord GBP0.10


B: Financial Instruments

Resulting situation after the triggering transaction

Type of     Expiration Exercise/     No. of voting rights that may   Percentage
financial   date       conversion    be acquired (if the instrument  of voting
instrument             period/date   exercised/converted)            rights


Total (A+B)

Number of voting rights              Percentage of voting rights

    19,512,752                                  5.00

9. Chain of controlled undertakings through which the voting rights and /or the
   financial instruments are effectively held, if applicable:

Name of Company / Fund                                       Number of   % of Issued 
                                                               shares   Share Capital

AXA Sun Life plc / AXA Rosenberg                   Direct      888,514     0.228%
AXA UK Investment Co ICVC / UK Smaller Co.s Fund   Indirect    642,931     0.165%
Sun Life Assurance Society Plc / AXA Rosenberg     Direct      715,486     0.183%
AXA Rosenberg                                      Indirect 16,410,307     4.207%
AXA Sun Life / FTSE All Share Tracker Life         Direct       70,931     0.018%
AXA Sun Life / FTSE All Share Tracker Pension      Direct      362,920     0.093%
AXA Sun Life with Profits Passive                  Direct      259,977     0.067%
Sun Life Ass Soc with Profit Passive               Direct      161,686     0.041%

Proxy Voting:

10. Name of proxy holder:

11. Number of voting rights proxy holder will cease to hold:

12. Date on which proxy holder will cease to hold voting rights:

13. Additional information:

14  Contact name:

A Bodenham

15. Contact telephone name: 

01923 714745

A: Identity of the persons or legal entity subject to the notification obligation

Senior plc, 59/61 High Street, Rickmansworth, WD3 1RH.

Phone number & email

01923 714745

Other useful information (at least legal representative for legal persons)

B: Identity of the notifier, if applicable

Full name

Contact address

Phone number & email

Other useful information

(e.g. functional relationship with the person or legal entity subject to the
notification obligation)

C: Additional information





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