Holding(s) in Company

Cairn Energy PLC
06 November 2006


FOR IMMEDIATE RELEASE

6 November 2006


                            Cairn Energy PLC ('Cairn')

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

On 3 November 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
8,000,070 ordinary shares of 10 pence each in Cairn, representing 4.99% 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 3 November 2006 are as follows:-

REGISTERED HOLDER                          NUMBER OF SHARES       PERCENTAGE
JP Morgan, Bournemouth                                  640,116
Northern Trust London                                   268,601
State Street Bank and Trust Co LNDN                     180,550
HSBC Bank PLC                                            76,500
Mellon Bank                                              66,100
Bank of New York Brussels                                26,300
JP Morgan, Bournemouth                                  872,391
Brown Bros Harriman Ltd Lux                           4,079,020
JP Morgan, Bournemouth                                1,583,700
Northern Trust London                                    18,430
Bank of New York Europe LDN                             133,650
JP Morgan, Bournemouth                                   54,712

                                   TOTAL              8,000,070           4.99%

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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