Holding(s) in Company

Cairn Energy PLC
25 September 2006



FOR IMMEDIATE RELEASE                                          
                                                               25 September 2006



                           Cairn Energy PLC ('Cairn')

   Notification of Shareholding - Companies Act 1985 ss.198-202 (as amended)


On 22 September 2006, Cairn was notified by FMR Corp. and its direct and
indirect subsidiaries and by Fidelity International Limited and its direct and
indirect subsidiaries, both being non-beneficial holders, that they had an 
interest in 9,530,258 ordinary shares of 10 pence each in Cairn, representing
5.95% of Cairn's current issued ordinary  share capital.

The registered holders to which this notification relates and the number of
shares held by those registered holders as  at 22 September 2006 are as
follows:-

REGISTERED HOLDER                              NUMBER OF SHARES      PERCENTAGE

JP Morgan, Bournemouth                                  651,216
Northern Trust London                                   276,601
State Street Bank and Trust Co LNDN                     187,050
HSBC Bank PLC                                            76,500
Bank of New York Brussels                                70,000
Mellon Bank                                              66,100
JP Morgan, Bournemouth                                1,922,091
Brown Bros Harriman Ltd Lux                           4,313,820
JP Morgan, Bournemouth                                1,591,900
Bank of New York Brussels                                17,900
Northern Trust London                                    18,430
JP Morgan, Bournemouth                                  205,000
Bank of New York Europe LDN                             133,650

TOTAL                                                 9,530,258           5.95%


The notifiable interests also comprise the notifiable interest of Mr Edward C.
Johnson 3rd, a principal shareholder of  FMR Corp. and Fidelity International
Limited.




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