Indonesian Operations Update

Serica Energy plc
21 November 2007

                               Serica Energy plc
                          ('Serica' or the 'Company')

                      SERICA INDONESIAN OPERATIONS UPDATE

London, 21 November 2007 - Serica Energy plc (AIM & TSX-V: SQZ) is pleased to
announce that the Global Santa Fe 136 jack-up drilling rig has completed its
current operations and is now being prepared for mobilisation to Serica's
Biliton PSC in the Java Sea, Indonesia, where it will drill two exploration
wells.

It is expected that the first well, the Batara Ismaya North #1, will be spudded
at the start of December 2007 and, later that month, the rig will spud the
second Biliton well, Batara Indra North #1.  Serica has a 45% interest in the
Biliton PSC and is the operator.  The majority of Serica's costs for these two
wells are being carried by a farminee.


Enquiries:

Serica Energy plc
Paul Ellis,                           [e-mail]                        [phone]
Chief Executive Officer
Chris Hearne,                         [e-mail]                      [phone]
Finance Director

JPMorgan Cazenove
Steve Baldwin                         [e-mail]                  [phone]

Tristone Capital Limited
Majid Shafiq                          [e-mail]                         [phone]

Pelham Public Relations -UK
James Henderson                       [e-mail]                        [phone]
Alisdair Haythornthwaite              [e-mail]               [phone]

CHF - Canada
Sarah Gingerich                       [e-mail]                                     [phone]



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