Holding(s) in Company

Rurelec PLC
21 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 (iii):


Gartmore Investment Limited


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


Gartmore Fund Managers Limited - HSBC Global Custody Nominee UK Ltd
Gartmore Investment Limited - BNY GIL CLT A/C NOMS LTD A/C LST
Gartmore Investment Limited - BNY GIL CLT A/C NOMS LTD A/C NWSC
Gartmore Investment Limited - VIDACOS NOMINEES LTD A/C 2003
Gartmore Investment Limited - NORTRUST NOMINEES LIMITED


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


15 May 2007


6. Date on which issuer notified:


16 May 2007


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


Gone above 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                               8,782,062                 8,782,062



Resulting situation after the triggering transaction (vii)

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

                               Direct       Direct Indirect     Direct Indirect
                                            (x)    (xi)

GB00B01XPW41                    9,129,682           9,129,682           13.369%


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

     9,129,682                                    13.369%


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

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


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:


All shares are held indirectly

All figures are based on the Companies issued share capital of 68,288,775


14. Contact name:


Alison Averono


15. Contact telephone number:


02077822324


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):


Contact address (registered office for legal entities):


Phone number:


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


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


Full name:

Gartmore Investment Limited


Contact address:

Gartmore House, 8 Fenchurch Place, London EC3M 4PB


Phone number:


020 7782 2324


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


Asset Manager


C: Additional information :

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






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