Holding(s) in Company

Cairn Energy PLC
12 December 2007


Form TR-1 with annex. FSA Version 2.1 updated April 2007

For filings with the FSA include the annex
For filings with issuer exclude the annex

TR-1: Notifications of Major Interests in Shares

1. Identity of the issuer or the underlying issuer            Cairn Energy plc
of existing shares to which voting rights are     
attached:
------------------------------------------
2. Reason for notification (yes/no)
------------------------------------------
                                                                     
An acquisition or disposal of voting rights                        Yes
------------------------------------------                            
An acquisition or disposal of financial instruments 
which may result in the acquisition of shares already 
issued to which voting rights are attached
------------------------------------------
An event changing the breakdown of voting rights
------------------------------------------                             
Other (please specify):______________
------------------------------------------                             
3. Full name of person(s) subject to                        Baillie Gifford & Co
notification obligation:                  
--------------------------
4. Full name of shareholder(s) (if
different from 3):                                   
------------------------------------------
5. Date of transaction (and date on which                    11 December 2007
the threshold is crossed or reached if     
different):
------------------------------------------
6. Date on which issuer notified:                            12 December 2007
------------------------------------------                 
7. Threshold(s) that is/are crossed or                              11%
reached:                                           
--------------------------





8: Notified Details

A: Voting rights attached to shares

Class/type   Situation previous   Resulting situation after the triggering
of shares    to the triggering    transaction
             transaction
If possible
use ISIN     Number of   Number   Number of   Number of voting   Percentage of
code         shares      of       shares      rights             voting rights
                         voting
                         rights               Direct Indirect    Direct Indirect

Ordinary     14370905    11.02    14340885           14340885           10.97
Share
GB00B1RZDL64


B: Financial Instruments

Resulting situation after the triggering transaction

Type of     Expiration Exercise/     No. of voting rights that may   Percentage
financial   date       conversion    be acquired (if the instrument  of voting
instrument             period/date   exercised/converted)            rights
N/A



Total (A+B)

Number of voting rights              Percentage of voting rights

14340885                             10.97






9. Chain of controlled undertakings through which the voting rights and /or the
financial instruments are effectively held, if applicable:

In the narrative below, the figures in ( ) indicate the amount of voting rights
and the percentage held by each controlled undertaking where relevant.
Baillie Gifford & Co, a discretionary investment manager, is the parent
undertaking of an investment management group.

Its wholly-owned direct subsidiary undertaking Baillie Gifford Overseas Limited
(1312150; 1.0%) is also a discretionary investment manager.

Its wholly-owned direct subsidiary undertaking Baillie Gifford Life Limited
(2558300; 2.0%) is a life assurance company which procures discretionary
investment management services from Baillie Gifford & Co in respect of its own
account shareholdings.

Its wholly-owned indirect (via Baillie Gifford Life Limited) subsidiary
undertaking Baillie Gifford & Co Limited (391958; 0.3%) is an OEIC Authorised
Corporate Director and Unit Trust Manager which has delegated its discretionary
investment management role to Baillie Gifford & Co.

Proxy Voting:

10. Name of proxy holder:                              N/A

11. Number of voting rights proxy 
holder will cease to hold:

12. Date on which proxy holder will 
cease to hold voting rights:

13. Additional information:

14 Contact name:                                       Myra McIntyre
                                                       Scott Russell

15. Contact telephone number:                          0131 275 2154
                                                       0131 275 2106



For notes on how to complete form TR-1 please see the FSA website.



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