Holding(s) in Company

Cairn Energy PLC
15 March 2006


FOR IMMEDIATE RELEASE
                                                                  15 March 2006


                          Cairn Energy PLC ('Cairn')

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

On 14 March 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
20,632,005 ordinary shares of 10 pence each in Cairn, representing 12.91% 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 14 March 2006 are as follows:-



REGISTERED HOLDER                             NUMBER OF SHARES       PERCENTAGE

Northern Trust London                                   612,707
JP Morgan, Bournemouth                                  583,416
State Street Bank and Trust Co LNDN                     486,350
Bank of New York Brussels                               273,700
Mellon Bank                                             185,900
HSBC Bank PLC                                            79,200
Clydesdale Bank PLC                                      15,600
State Street Bank and Trust Co                           20,800
State Street Bank and Trust Co                          156,094
JP Morgan, Bournemouth                                9,164,972
Brown Bros Harriman Ltd Lux                           7,951,377
JP Morgan, Bournemouth                                  218,400
Bank of New York Brussels                                46,100
Northern Trust London                                    23,430
JP Morgan, Bournemouth                                  524,909
Bank of New York Europe LDN                             289,050

TOTAL                                                20,632,005          12.91%

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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