Holding(s) in Company

Rurelec PLC
24 May 2007


                                  Rurelec PLC

                              Holdings in Company


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


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


Rurelec PLC


2. Reason for the notification:


An acquisition or disposal of voting rights


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


The Tudor Group (Tudor Capital (U.K.) L.P.)


4. Full name of shareholder(s):

LBPB Nominees Limited


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


21 May 2007


6. Date on which issuer notified:


23 May 2007


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


4%


8. Notified details:

A: Voting rights attached to shares

Class/type of shares if possible using    Situation previous to the Triggering
the ISIN CODE                                       transaction (vi)
                                        Number of      Number of voting Rights
                                        shares         (viii)

GB00B01XPW41                            NIL            NIL



Resulting situation after the triggering transaction (vii)

Class/type of shares if possible Number of  Number of voting     % of voting
using the ISIN CODE              shares     rights (ix)          rights

                                 Direct     Direct  Indirect     Direct Indirect
                                            (x)     (xi)

GB00B01XPW41                                         3,400,000            4.74%


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

    3,400,000                                4.74%


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

The Tudor BVI Global Portfolio Ltd is an investment fund advised by members of
the Tudor Group of companies.


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:

.................


15. Contact telephone number:

.................


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):


Rurelec PLC


Contact address (registered office for legal entities):


Prince Consort House, 27-29 Albert Embankment, London SE1 7TJ


Phone number:


[phone]


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



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


Full name:


Tudor Capital (U.K.) L.P.


Contact address:

Great Burgh Epsom Surrey KT18 5XT


Phone number:


020 8786 3900


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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