Holding(s) in Company

RNS Number : 5623T

Cairn Energy PLC

08 June 2009

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached:

Cairn Energy PLC

2 Reason for the notification (please tick the appropriate box or boxes):

An acquisition or disposal of voting rights

Yes

An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached

An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments

An event changing the breakdown of voting rights

Other (please specify):

3. Full name of person(s) subject to the notification obligation:

Baillie Gifford & Co

4. Full name of shareholder(s) (if different from 3.):

5. Date of the transaction and date on which the threshold is crossed or reached:

19-May-09

6. Date on which issuer notified:

02-Jun-09

7. Threshold(s) that is/are crossed or reached:

8. Notified details:
A: Voting rights attached to shares
Class/type of shares if possible using the ISIN CODE	Situation previous to the triggering transaction		Resulting situation after the triggering transaction
	Number of Shares	Number of Voting Rights	Number of shares	Number of voting rights		% of voting rights
			Direct	Direct	Indirect	Direct	Indirect
Ordinary Share GB00B1RZDL64	8219822	5.97	Below 5%		Below 5%		Below 5%

B: Qualifying Financial Instruments
Resulting situation after the triggering transaction
Type of financial instrument	Expiration date	Exercise/ Conversion Period	Number of voting rights that may be acquired if the instrument is exercised/ converted.	% of voting rights
N/A

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments
Resulting situation after the triggering transaction
Type of financial instrument	Exercise price	Expiration date	Exercise/ Conversion period	Number of voting rights instrument refers to	% of voting rights
N/A					Nominal	Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

Below 5%

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

Baillie Gifford & Co, a discretionary investment manager, is the parent undertaking of an investment management group.

Its wholly-owned subsidiary undertaking Baillie Gifford Overseas Limited [880174; 0.6%] is also a discretionary investment manager.

Its wholly-owned subsidiary undertaking Baillie Gifford & Co Limited [146397; 0.1%] is an OEIC Authorised Corporate Director and Unit Trust Manager which has delegated its discretionary investment management role to Baillie Gifford & Co.

Its wholly-owned subsidiary undertaking Baillie Gifford Life Limited [1234763; 0.9%] is a life assurance company which procures discretionary investment management services from Baillie Gifford & Co in respect of its own account shareholdings.

Proxy Voting:

10. Name of the 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:

Scott Russell;

Chris Hill

15. Contact telephone number:

0131 275 2106

0131 275 2147