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Jul 24, 2006 - 00:26 ET Antrim Announces Causeway Drilling Success

CALGARY, ALBERTA AND LONDON, UNITED KINGDOM--(CCNMatthews - July 24, 2006) - Antrim Energy Inc. (TSX:AEN) (AIM:AEY) ("Antrim") is pleased to announce that drilling has been completed on the Antrim-operated East Causeway well (Antrim 65.5%) in the UK North Sea. The 211/23d-17z well has been cased for production and a testing program is expected to commence later this week.

The well was drilled as planned both at a high angle and horizontally through the prospective zones to a measured depth of 14,900 ft (4,542 m), representing a true maximum vertical depth of 10,370 ft (3,161 m). Electric log and other well data received to date indicate that the 23d-17z well intersected approximately 1,185 ft (361 m) of net oil-bearing sandstone representing 57 ft (17.4 m) net vertical thickness of potential reservoir. Prospective reservoirs include the Jurassic Ness and Tarbert Formations drilled in two fault compartments. Several oil-bearing sandstone intervals were encountered, each interval demonstrating excellent reservoir quality on log analysis with an average porosity value of approximately 20%.

The 23d-17z testing program is expected to take at least 14 days.

Certain statements contained in this press release may be considered as "forward looking". Such "forward looking" statements are subject to risks and uncertainties that could cause actual results to differ materially from estimated or implied results. The TSX has not reviewed and does not accept responsibility for the adequacy or accuracy of this release. In accordance with AIM requirements, Mr. Kerry Fulton, P. Eng and Chief Operating Officer of Antrim, is the qualified person that has reviewed the technical information contained in this press release.

Updated information about Antrim can be accessed on its website: www.antrimenergy.com

FOR FURTHER INFORMATION PLEASE CONTACT:

Antrim Energy Inc.
Stephen Greer
President & CEO
(403) 264-5111
(403) 264-5113 (FAX)
Email: greer@antrimenergy.com

or

Antrim Energy Inc.
Kerry Fulton
Chief Operating Officer
(403) 264-5111
(403) 264-5113 (FAX)
Email: fulton@antrimenergy.com
Website: www.antrimenergy.com