Arctic Star Diamond Corp.
TSX VENTURE : ADD

Arctic Star Diamond Corp.
Tres-Or Resources Ltd.
TSX VENTURE : TRS

Tres-Or Resources Ltd.

August 19, 2005 13:24 ET

Arctic Star and Tres-Or Report that Delineation Drilling has Commenced on the Lapointe Kimberlite Discovery, Ontario

VANCOUVER, BRITISH COLUMBIA--(CCNMatthews - Aug. 19, 2005) - Arctic Star Diamond Corp. (TSX VENTURE:ADD) ("Arctic Star") and Tres-Or Resources Limited (TSX VENTURE:TRS) ("Tres-Or") are pleased to announce the commencement of a 3500 m drill program to delineate the recently discovered Lapointe Kimberlite in Ontario. This delineation program is designed to test all parts of the body, which has already been shown to be comprised of multiple intrusive events. The Lapointe Kimberlite is a large pipe in excess of 20 hectares in surface extents, based on airborne magnetics and the first 4 drill holes which intersected the body. Initial micro-diamond tests returned significant diamonds, including 1 clear, white gem stone weighing 0.0665 carats, and 20 smaller stones (see news release dated July 20, 2005). The encouraging diamond recovery, backed up by favourable indicator mineral chemistry, has led to the decision to undertake this delineation program.

The delineation drilling program is expected to be completed by mid-October, 2005, and complete micro- and macro-diamond results are expected before the end of the year. Results from this delineation program will form the basis of a decision to undertake a mini-bulk sample during the winter of 2005 and 2006.

The remaining split core from the initial Lapointe Kimberlite drilling is at the lab, and results are pending.

Harrison Cookenboo, Ph.D., P.Geo., a Qualified Person by the standards of National Instrument 43-101 has been responsible for the design and the implementation of the field program. Tres-Or is the project operator.

ON BEHALF OF THE BOARD OF DIRECTORS OF ARCTIC STAR DIAMOND CORP.

Patrick Power, President

ON BEHALF OF THE BOARD OF DIRECTORS OF TRES-OR RESOURCES LTD.

Laura Lee Duffett, President


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