Holding(s) in Company

Cairn Energy PLC
14 September 2006


FOR IMMEDIATE RELEASE
                                                               14 September 2006



                           Cairn Energy PLC ('Cairn')

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


On 13 September 2006, Cairn was notified by Aviva plc on behalf of it and its
subsidiaries that, having disposed of a total of 210,165 shares on 12 September
2006, the Aviva group has a notifiable interest in 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 13 September 2006 is as follows:-

                                                        NUMBER OF             %
REGISTERED HOLDER                                          SHARES

BNY Norwich Union Nominees Ltd                          1,989,624
Chase GA Group Nominees Ltd                             2,636,996
Chase Nominees Ltd                                        314,324
CUIM Nominee Ltd                                        1,234,344
Vidacos Nominees Ltd                                       51,299
                                                        6,226,587         3.89%



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