Empyrean Regulatory News (EME)

21st May 2010

Empyrean Energy PLC

('Empyrean' or the 'Company', (EME))

Sugarloaf Project, Block B, onshore Texas, USA.

SUGARLOAF PROJECT OPERATIONS UPDATE

Empyrean Energy Plc is pleased to provide the market with the following update on operations on Block B at the Sugarloaf Project:

Rancho Grande-1H

Empyrean has been advised by the Operator that the multi-stage fracture stimulation operation of the Rancho Grande-1H well commenced on 17th May 2010 and is now well underway. The operational design of the fracture stimulation is similar to that carried out successfully on the Morgan-1H and Easley-1H wells. Following completion of this operation the well will be flowed directly to sales.

Rancho Grande-1H is the third of three new wells required to be drilled and stimulated under the Hilcorp farmin arrangements at the Sugarloaf Project.

A further announcement will be made once the stimulation is completed and the well has achieved a stabilised flow.

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.

Contact:

Tom Kelly Empyrean Energy Plc Tel: +618 93216988

Nominated Adviser and Broker:

Jerry Keen Astaire Securities Plc Tel: +44 (0) 20 7448 4400

Shane Gallwey Astaire Securities Plc Tel: +44 (0) 20 7448 4400