Notification of Shareholding

Cairn Energy PLC
09 January 2007


FOR IMMEDIATE RELEASE

9 January 2007


Cairn Energy PLC ('Cairn')

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

On 9 January 2007, 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 
6,233,003 ordinary shares of 10 pence each in Cairn, representing 3.89% 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 9 January 2007 are as follows:-

REGISTERED HOLDER                              NUMBER OF SHARES      PERCENTAGE
JP Morgan, Bournemouth                                  297,000
Northern Trust London                                   155,400
State Street Bank and Trust Co LNDN                      30,100
HSBC Bank PLC                                            76,500
Mellon Bank                                              29,900
Bank of New York Brussels                                15,500
JP Morgan, Bournemouth                                  414,727
Brown Bros Harriman Ltd Lux                           4,112,526
JP Morgan, Bournemouth                                1,080,100
Bank of New York Europe LDN                              21,250
                                   TOTAL              6,233,003           3.89%

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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