Holding(s) in Company

Cairn Energy PLC
24 April 2006


FOR IMMEDIATE RELEASE                                           24 April 2006


                        Cairn Energy PLC ('Cairn')

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

On 20 April 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
15,938,896 ordinary shares of 10 pence each in Cairn, representing 9.96% 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 20 April 2006 are as follows:-

REGISTERED HOLDER                              NUMBER OF SHARES      PERCENTAGE

JP Morgan, Bournemouth                                  550,816
Northern Trust London                                   453,207
State Street Bank and Trust Co LNDN                     374,650
Bank of New York Brussels                               221,300
Mellon Bank                                             150,400
HSBC Bank PLC                                            79,200
State Street Bank and Trust Co                           15,200
State Street Bank and Trust Co                          114,294
JP Morgan, Bournemouth                                6,502,072
Brown Bros Harriman Ltd Lux                           6,664,777
JP Morgan, Bournemouth                                  189,600
Bank of New York Brussels                                36,600
Northern Trust London                                    18,430
JP Morgan, Bournemouth                                  336,100
Bank of New York Europe LDN                             232,250
                                   
TOTAL                                                15,938,896           9.96%

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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