Antrim Successfully Tests Causeway Appraisal Well

Antrim Energy Inc. reported successful test results from the Antrim-operated Causeway well 211/22a-8 (Antrim 65.5%) in the UK North Sea.

The 22a-8 well was drilled into the southwestern fault compartment to a depth of 12,830ft (3,910m), structurally the lowest penetration in the current program and close to the edge of the Causeway Field. It intersected a pay section similar to that encountered in the previously drilled 211/22a-3 well (1984), which tested up to 5,500 bopd from the Jurassic Ness Formation.

The 22a-8 was drilled approximately 1.4 km northeast of the 22a-3 location and encountered the Ness pay zone at a structural elevation 25ft (8m) higher than at 22a-3. The Ness sandstones were perforated over a 20 ft interval and flowed at rates of oil up to 1,180 bopd at 31 degree API with no water.

Electric log and test data indicate that the 22a-8 well has intersected a permeable Ness sandstone oil pay in a 98ft interval between 10,975 ft - 11,068 ft (3,344 - 3,374 m) true vertical depth.

The fourth and final well in Antrim's 2007 multi-well Causeway program is expected to start drilling within a week and will take approximately 35 days. The well will target the Brent sandstone sequence in the Central Causeway compartment, which has been successfully drilled by 211/22a-7A and drilled and tested up to 6,300 bopd by 211/22a-6.

The non-operated well 'East Kerloch' (Block 211/22a NW, Antrim 21%) is scheduled to start drilling in November 2007, approximately 10 km northwest of the Causeway trend. Antrim Energy Inc. is an international oil and gas exploration and production company headquartered in Calgary, Alberta, Canada. Antrim's objective is to create significant wealth for its shareholders through the discovery, production and sale of oil and gas. Antrim's production and exploration operations are centered in Argentina and its high impact oil and gas exploration is focused in the United Kingdom. Antrim Is listed on the Toronto Stock Exchange and on the London Stock Exchange's Alternative Investment Market.

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