Notification of Interest

Serica Energy plc
08 January 2008



8 January 2008



                                                                  SERICA ENERGY PLC


TR-1: Notifications of Major Interests in Shares

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

2. Reason for 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
Other (please specify): Change in issued share capital

3. Full name of person(s) subject to notification               CALEDONIA INVESTMENTS PLC
obligation:

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

5. Date of transaction (and date on which the                           07/01/08
threshold is crossed or reached if different):

6. Date on which issuer notified:                                       07/01/08

7. Threshold(s) that is/are crossed or reached:                            11%

8. Notified Details

A: Voting rights attached to shares
Class/type of Situation previous to Resulting situation after the triggering transaction
shares        the triggering
              transaction
If possible
use ISIN code
              Number of  Number of  Number of shares  Number of voting shares  % of voting rights
              Shares     voting
                         rights
                                    Direct            Direct       Indirect    Direct     Indirect


Ordinary      15,357,665 15,357,665 20,311,736        20,311,736   N/A         11.51%     N/A



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


Total (A+B)
Number of voting rights                        % of voting rights
20,311,736                                     11.51%

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






Proxy Voting:

10. Name of 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                        N/A
rights:

13. Additional information:               Participation in placing of 24,770,354 shares by Serica
                                          Energy plc

14. Contact name:                         Rob Tamburrini

15. Contact telephone name:               [phone]




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