Margarita Update

Empyrean Energy PLC 18 June 2007 18 June 2007 Empyrean Energy PLC ('Empyrean' or the 'Company'; Ticker: (EME)) Project Margarita, Gulf Coast Texas USA • Gas zone drilled in the Dona Carlota-1, Margarita gas exploration project, onshore gulf coast, Texas AIM quoted Empyrean Energy PLC today announces the following update with regards the drilling program at Margarita: 1. DONA CARLOTA PROSPECT Dona Carlota-1 has been successfully drilled to a total depth of 1,524 metres. A gas show was observed in the primary target Frio 1.33 sand with interpretation of the wire line logs indicating a gross gas zone of 13.9 metres and net gas pay of 5.6 metres over the interval 1,423.2 to 1,437.1 metres with gas on rock and no water. Production casing has been run to enable production testing of the well later in the week. The Dona Carlota Gas Field, based on an interpretation of the 3D seismic data, has an estimated recoverable reserve of 0.62 billion cubic feet of gas. 2. AGAVERO PROSPECT The truck mounted rig has moved from Dona Carlota-1 to the Agavero Prospect over the weekend to spud Agavero #1. The Agavero Prospect is the second of the three prospects that are being drilled in the current program which are analogues of historic prolific Frio and Vicksburg sands production in the project area at <2,000 meters depth. The drilling program is expected to run until the end of July 2007. As with the successful initial three well program, tie in of any commercial discovery made on these prospects will be rapid as the project area is crossed by a number of gas pipelines with access rights and available capacity to tie into. The prospects have the following mean recoverable gas reserve potential and total depths; Prospect Name Mean Rec Reserves Total Depth Status Dona Carlota 0.62 bcf 1,524 m Drilled gas discovery Agavero 0.70 bcf 1,340 m Drilling Climaco 1.60 bcf 1,980 m To be drilled Participants in the Margarita Project are: Empyrean Energy PLC* 44.00% Sun Resources NL# 20.00% Victoria Petroleum NL# 20.00% Wandoo Energy LLC + 16.00% 100.00% # ASX listed * AIM listed + USA Private Interest The information contained in this announcement was completed and reviewed by the Technical Director of Empyrean Energy Plc, Mr Frank Brophy BSc (Hons) who has over 40 years experience as a petroleum geologist. For further information Conduit PR Charlie Geller/ Ed Portman Tel: +44 (0) 207 429 6605/+44 (0) 7979955923 HB Corporate Rod Venables Tel: +44(0)207 510 8600 Empyrean Energy plc Tel : +44(0) 207 182 1746 This information is provided by RNS The company news service from the London Stock Exchange
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