Holding(s) in Company

Senior PLC
20 December 2007


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

Senior plc

2. Reason for the notification:

An acquisition or disposal of Voting Rights

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

Legal & General Group Plc

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

Legal & General Assurance (Pensions Management) Limited (PMC)

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

12 December 2007

6. Date on which issuer notified:

19 December 2007

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

5% to 6%

8. Notified details:

A: Voting rights attached to shares

 Class/type   Situation previous to the  Resulting situation after the triggering transaction
 of shares   Triggering transaction (vi)                        (viii)
            
               Number of     Number of     Number of      Number of Voting      % of Voting
                Shares     Voting Rights    Shares             Rights              Rights
                              (viii)        Direct      Direct (x)   Indirect Direct  Indirect
                                                                       (xi)

GB0007958233  19,875,385    19,875,385    23,934,558    23,934,558             6.13

B: Financial Instruments

Resulting situation after the triggering transaction (xii)
Type of     Expiration Exercise /      Number of voting rights that may  % of
financial   Date       Conversion      be acquired if the instrument is  voting
instrument  (xiii)     Period / Date   exercised / converted.            rights
                       (xiv)

TOTAL (A+B)

          Number of voting rights                    % of voting rights

                 23,934,558                                6.13


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


Legal & General Group Plc (Direct and Indirect)(Group)
(29,983,766 - 7.68% = Total Position)

Legal & General Investment Management (Holdings) Limited (LGIMH) (Direct and Indirect)
(29,983,766 - 7.68% = Total Position)

Legal & General Investment Management Limited (Indirect) (LGIM)
(29,983,766 - 7.68% = Total Position)

Legal & General Group Plc (Direct) (L&G)
(23,934,558= 6.13% = LGAS, LGPL & PMC)

Legal & General Investment Management (Holdings)     Legal & General Insurance
Limited (Direct) (LGIMHD) (18,530,699 - 4.75% = PMC) Holdings Limited (Direct)
                                                     (LGIH)

Legal & General Assurance (Pensions Management)      Legal & General Assurance
Limited (PMC) (18,530,699 - 4.75% = PMC)             Society Limited (LGAS &
                                                     LGPL)

                                                     Legal & General Pensions
                                                     Limited (Direct) (LGPL)


Proxy Voting:


10. Name of the 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, Company Secretary, Senior plc

15. Contact telephone number:

01923 714745





Annex to Notification Of Major Interests In Shares (xvi)

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

Full name (including legal form for legal entities):

Senior plc

Contact address (registered office for legal entities):

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

Phone number:

01923 714745

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

B: Identity of the notifier, if applicable (xvii)

Full name:

A Bodenham

Contact address:

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

Phone number:

01923 714745

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

C: Additional information :




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