Holding(s) in Company

Senior PLC
21 June 2007




TR-1 (i): NOTIFICATION OF MAJOR INTERESTS IN SHARES
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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):

Barclays PLC


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

Barclays Bank PLC
Barclays Bank Trust Company Ltd
Barclays Capital Securities Ltd
Barclays Global Investors Ltd
Barclays Life Assurance Co Ltd
Barclays Stockbrokers Ltd
Gerrard Investment Management Limited


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

20 June 2007

6. Date on which issuer notified:

21 June 2007

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

7% to 6%

8. Notified details:

A: Voting rights attached to shares

 Class/type   Situation previous to the       Resulting situation after the triggering
 of shares   Triggering transaction (vi)                 transaction (viii)
               Number of     Number of     Number of     Number of Voting     % of Voting
                Shares     Voting Rights    Shares            Rights             Rights
                              (viii)                   Direct Indirect (xi) Direct  Indirect
                                                        (x)
GB0007958233  27,573,046    27,573,046    27,175,580     0    27,175,580     0.00    6.97


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

27,175,580                                   6.97



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

Barclays Bank PLC
Barclays Bank Trust Company Ltd
Barclays Capital Securities Ltd
Barclays Global Investors Ltd
Barclays Life Assurance Co Ltd
Barclays Stockbrokers Ltd
Gerrard Investment Management Limited


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 :

Notes to the Forms

(i)   This form is to be sent to the issuer or underlying issuer and to be filed 
      with the competent authority.

(ii)  Either the full name of the legal entity or another method for identifying
      the issuer or underlying issuer, provided it is reliable and accurate.

(iii) This should be the full name of (a) the shareholder; (b) the person 
      acquiring, disposing of or exercising voting rights in the cases provided
      for in DTR5.2.1 (b) to (h); (c) all the parties to the agreement referred
      to in DTR5.2.1 (a), or (d) the direct or indirect holder of financial
      instruments entitled to acquire shares already issued to which voting
      rights are attached, as appropriate. In relation to the transactions
      referred to in points DTR5.2.1 (b) to (h), the following list is provided 
      as indication of the persons who should be mentioned:

- in the circumstances foreseen in DTR5.2.1 (b), the person that acquires the
  voting rights and is entitled to exercise them under the agreement and the
  natural person or legal entity who is transferring temporarily for consideration
  the voting rights;

- in the circumstances foreseen in DTR 5.2.1 (c), the person holding the
  collateral, provided the person or entity controls the voting rights and
  declares its intention of exercising them, and person lodging the collateral
  under these conditions;

- in the circumstances foreseen in DTR5.2.1(d), the person who has a life
  interest in shares if that person is entitled to exercise the voting rights
  attached to the shares and the person who is disposing of the voting rights when
  the life interest is created;

- in the circumstances foreseen in DTR5.2.1 (e), the parent undertaking and,
  provided it has a notification duty at an individual level under DTR 5.1, under
  DTR5.2.1 (a) to (d) or under a combination of any of those situations, the
  controlled undertaking;

- in the circumstances foreseen in DTR5.2.1 (f), the deposit taker of the
  shares, if he can exercise the voting rights attached to the shares deposited
  with him at his discretion, and the depositor of the shares allowing the deposit
  taker to exercise the voting rights at his discretion;

- in the circumstances foreseen in DTR5.2.1 (g), the person that controls the
  voting rights;

- in the circumstances foreseen in DTR5.2.1 (h), the proxy holder, if he can
  exercise the voting rights at his discretion, and the shareholder who has given
  his proxy to the proxy holder allowing the latter to exercise the voting rights
  at his discretion.

(iv)   Applicable in the cases provided for in DTR 5.2.1 (b) to (h). This should
       be the full name of the shareholder who is the counterparty to the natural
       person or legal entity referred to in DTR5.2.

(v)    The date of the transaction should normally be, in the case of an on
       exchange transaction, the date on which the matching of orders occurs; in
       the case of an off exchange transaction, date of the entering into an
       agreement.

The date on which threshold is crossed should normally be the date on which the
acquisition, disposal or possibility to exercise voting rights takes effect (see
DTR 5.1.1R (3)). For passive crossings, the date when the corporate event took
effect.

(vi)   Please refer to the situation disclosed in the previous notification, In
       case the situation previous to the triggering transaction was below 3%, 
       please state 'below 3%'.

(vii)  If the holding has fallen below the minimum threshold , the notifying
       party should not be obliged to disclose the extent of the holding, only 
       that the new holding is less than 3%. For the case provided for in 
       DTR5.2.1(a), there should be no disclosure of individual holdings per 
       party to the agreement unless a party individually crosses or reaches an
       Article 9 threshold. This applies upon entering into, introducing changes
       to or terminating an agreement.

(viii) Direct and indirect

(ix)   In case of combined holdings of shares with voting rights attached 'direct
       holding' and voting rights 'indirect holdings', please split the voting
       rights number and percentage into the direct and indirect columns-if there
       is no combined holdings, please leave the relevant box blank.

(x)    Voting rights to shares in respect of which the notifying party is a direct
       shareholder (DTR 5.1)

(xi)   Voting rights held by the notifying party as an indirect shareholder (DTR
       5.2.1)

(xii)  If the holding has fallen below the minimum threshold, the notifying party
       should not be obliged to disclose the extent of the holding, only that the
       new holding is below 3%.

(xiii) Date of maturity / expiration of the financial instrument i.e. the date
       when the right to acquire shares ends.

(xiv)  If the financial instrument has such a period-please specify the period -
       for example once every three months starting from the (date)

(xv)   The notification should include the name(s) of the controlled undertakings
       through which the voting rights are held. The notification should also 
       include the amount of voting rights and the percentage held by each
       controlled undertaking, insofar as individually the controlled undertaking
       holds 5% or more, and insofar as the notification by the parent undertaking
       is intended to cover the notification obligations of the controlled
       undertaking.

(xvi ) This annex is only to be filed with the competent authority.

(xvii) Whenever another person makes the notification on behalf of the
       shareholder or the natural person/legal entity referred to in DTR5.2 and DTR5.3




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