Holding(s) in Company

Cairn Energy PLC
06 March 2006


FOR IMMEDIATE RELEASE
                                                                                                                    6 
March 2006


Cairn Energy PLC ('Cairn')

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

On 6 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 
22,213,405 ordinary shares of 10 pence each in Cairn, representing 13.90% 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 6 March 2006 are as follows:-

REGISTERED HOLDER                              NUMBER OF SHARES       PERCENTAGE
Northern Trust London                                   720,107
JP Morgan, Bournemouth                                  658,816
State Street Bank and Trust Co LNDN                     563,650
Bank of New York Brussels                               381,800
Mellon Bank                                             221,400
HSBC Bank PLC                                            90,300
Clydesdale Bank PLC                                      18,700
State Street Bank and Trust Co                           20,800
State Street Bank and Trust Co                          156,094
JP Morgan, Bournemouth                                9,269,172
Brown Bros Harriman Ltd Lux                           8,907,177
JP Morgan, Bournemouth                                  254,000
Bank of New York Brussels                                55,100
Northern Trust London                                    26,230
JP Morgan, Bournemouth                                  524,909
Bank of New York Europe LDN                             345,150
                                   TOTAL             22,213,405          13.90%

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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