Drilling Rig Secured

Serica Energy plc 29 June 2006 FOR IMMEDIATE RELEASE: Thursday 29th June, 2006 SERICA ENERGY PLC SECURES DRILLING RIG FOR INDONESIA London, 29th June 2006 - Serica Energy plc (TSX Venture: SQZ; AIM: SQZ) announces that a letter of intent has been executed between a wholly-owned subsidiary of Serica Energy plc and PT Lins Petrotama Energi for the use of the Seadrill 5 jack-up drilling rig for four wells offshore north Sumatra, Indonesia. It is anticipated that this continuous drilling programme will commence in the first quarter of 2007. Paul Ellis, Chief Executive, commented: 'As stated at our recent AGM, Serica is moving forward rapidly on the development of its gas fields in the Asahan and Glagah-Kambuna blocks offshore north Sumatra and this rig contract demonstrates our ability to source the equipment we need despite the present intense level of oil industry activity.' Enquiries: Serica Energy plc Paul Ellis, pellis@serica-energy.com +44 (0)20 7487 7300 Chief Executive Officer Chris Hearne, chearne@serica-energy.com +44 (0)20 7487 7300 Finance Director Pelham Public Relations -UK James Henderson james.henderson@pelhampr.com +44 (0)20 7743 6673 Alisdair Haythornthwaite alisdair.haythornthwaite@pelhampr.com +44 (0)20 7743 6676 CHF Investor Relations - Canada Jan Moir jan@chfir.com +1 416 868 1079 x237 Heather Colpitts heather@chfir.com +1 416 868 1079 x223 Background Notes Serica Energy plc is an international oil and gas exploration company with operations in Indonesia, the UK North Sea and Spain. The Company's ordinary shares are listed in London on AIM and on the Canadian TSX Venture Exchange under the symbol 'SQZ'. The 2005 Annual Report and Accounts are available at www.serica-energy.com and www.sedar.com. PT Lins Petrotama Energi is the Indonesian agent for Seadrill Limited, an international drilling company with rigs currently operating in Norway, West Africa and Asia. Forward Looking Statements This disclosure contains certain forward looking statements that involve substantial known and unknown risks and uncertainties, some of which are beyond Serica Energy plc's control, including: the impact of general economic conditions where Serica Energy plc operates, industry conditions, changes in laws and regulations including the adoption of new environmental laws and regulations and changes in how they are interpreted and enforced, increased competition, the lack of availability of qualified personnel or management, fluctuations in foreign exchange or interest rates, stock market volatility and market valuations of companies with respect to announced transactions and the final valuations thereof, and obtaining required approvals of regulatory authorities. Serica Energy plc's actual results, performance or achievement could differ materially from those expressed in, or implied by, these forward looking statements and, accordingly, no assurances can be given that any of the events anticipated by the forward looking statements will transpire or occur, or if any of them do so, what benefits, including the amount of proceeds, that Serica Energy plc will derive there from. The TSX Venture Exchange has not reviewed and does not accept responsibility for the adequacy or accuracy of this release. To receive Company news releases via email, please contact heather@chfir.com and specify 'Serica press releases' in the subject line. This information is provided by RNS The company news service from the London Stock Exchange
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