Serica Energy plc - Successful Well Test.

(From AFX CNF)

RNS Number:3179O Serica Energy plc 20 December 2006 For immediate release: Wednesday, December 20, 2006 SERICA ENERGY SUCCESSFULLY TESTS GAS AND CONDENSATE IN THE NORTH SEA COLUMBUS WELL aGross gas column of at least 125 feet encountered on the Columbus prospect aWell tested at 17.5 million cubic feet of gas per day and 1,060 barrels per day of condensate aPartners commencing discussions on appraisal and development programme for the discovery London, December 20, 2006 - Serica Energy plc (AIM and TSX Venture: SQZ) is pleased to announce that it has successfully completed testing the Columbus well 23/16f-11 and confirmed the presence of a potentially commercial gas and condensate reservoir. The well will now be suspended for possible future use in a development programme. Well 23/16f-11, a …