Holding(s) in Company

Cairn Energy PLC
04 April 2008



TR-1(i): notification 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(1):
-------------------------------
2. Reason for the notification (please tick the appropriate box or boxes):
--------------------------------------------                             -------
An acquisition or disposal of voting rights                                  X
--------------------------------------------                             -------
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                           
--------------------------------------------                             -------
3. Full name of person(s) subject to the                  HSBC Holdings Plc
notification obligation(1):                              --------------------
-------------------------------
4. Full name of shareholder(s) (if different from  HSBC Bank plc
3.)(1):
                                                 HSBC Investments (UK) Limited
                                                 HSBC Investment Management
                                                 HSBC Financial Products (France)
                                                 Sinopia Asset Management (UK)
                                                 Limited
                                                 Halbis Capital Management (UK)
                                                 Limited
                                                 Halbis Capital Management (Hong
                                                 Kong) Limited
                                                 HSBC Investments (Singapore)
                                                 Limited
                                                   --------------------
5. Date of the transaction and date on which the            2nd April 2008
threshold is crossed or reached(1):                      --------------------
-------------------------------
6. Date on which issuer notified:                           3rd April 2008
-------------------------------                          --------------------
7. Threshold(s) that is/are
crossed or reached:                                                 9.83%
-------------------------------                           --------------------




8. Notified details:

A: Voting rights attached to shares
Class/type   Situation previous to the   Resulting situation after the triggering transaction
of shares    Triggering transaction (1)  (1)
if possible
using the Number of  Number of  Number of  Number of voting rights  % of voting
ISIN CODE Shares   oting Rights shares     ix                       rights
                       viii        Direct     Direct x   Indirect xi   Direct  Indirect
GB00B1RZDL64  19,399,257  19,399,257  431,985    431,985    12,436,617    0.33%    9.50%

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


Total (A+B)
Number of voting rights                      % of voting rights
                                12,868,602                                9.83%





9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable xv:
HSBC Bank plc
HSBC Investments (UK) Limited
Sinopia Asset Management (UK) Limited
Halbis Capital Management (UK) Limited
Halbis Capital Management (Hong Kong) Limited
HSBC Investments (Singapore) Limited

Proxy Voting:
10. Name of the proxy holder:                                              N/A
11. Number of voting rights proxy holder will cease to hold:               N/A
12. Date on which proxy holder will cease to hold voting rights:           N/A

13. Additional information:                           None
14. Contact name:                                     Frances Davies
15. Contact telephone number:                         020 7991 6661



Notes to the Forms
--------------------------

(i) This form is to be sent to the issuer or underlying issuer and to be filed
with the competent authority.



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