March 18, 2008
TSX Venture: TRS
NEWS RELEASE

Amendment to Joint Venture Agreement - Lapointe Kimberlite Pipe,
Ontario

Tres-Or Resources Ltd. ("Tres-Or") and Arctic Star Diamond Corp.
("Arctic Star") are pleased to report that the parties have executed
an Amendment to the December 2005 Joint Venture Agreement. Arctic
Star has agreed to transfer its interest in the Lapointe Kimberlite
Pipe to Tres-Or in order to maintain an undiluted interest in
exploration outside of Lapointe for additional diamondiferous
kimberlites. Tres-Or assumes the full costs of the exploration
programs carried out at the Lapointe Pipe, and has acquired a 100%
interest in Lapointe subject to a 5.0% Net Profits Interest granted
to Arctic Star. Most importantly, this exploration includes the
recently collected 50 tonne sample for macro-diamonds, which has yet
to begin processing for diamonds.

Outside of the Lapointe Kimberlite, Arctic Star will continue with a
40% interest in the Joint Venture exploration property activities
within a 10,700 square kilometer Area of Interest surrounding the
Lapointe discovery. Arctic Star continues to participate in the
exploration of the Joint Venture’s properties outside of
Lapointe and to contribute it’s pro rata portion of the ongoing
expenditures.

The Lapointe kimberlite pipe (+21 hectares in size) is located about
80 km southeast of Timmins, Ontario. In February 2008, Tres-Or
successfully completed the recovery of a large sample of more than 50
tonnes of kimberlite for macro-Diamond processing (see Tres-Or news
release dated February 11, 2008). The large tonnage sample was
shipped to a secure storage facility pending engagement of a DMS
plant facility to process the kimberlite for macro-Diamond content.

Caustic fusion tests of almost 4 tonnes of the Lapointe Kimberlite
yielded 440 diamonds and have returned results suggestive of a
potentially coarse size distribution. Such hints of a coarse
distribution warrant further examination due to the large size of the
body (+21 hectares) and low mining costs in the area. The primary goal
of the 50 tonne test is to recover macro-diamonds and confirm the
coarse size distribution.

Tres-Or and Arctic Star are continuing exploration together in the
Joint Venture Area of Interest, including drill testing of already
identified priority geophysical targets, and intensive indicator
mineral sampling program near the Lapointe Kimberlite itself.

Harrison Cookenboo, Ph.D., P.Geo., a Qualified Person by the
standards of National Instrument 43-101 has reviewed and approved the
contents of this news release. Dr. Cookenboo is responsible for the
design and implementation of the field programs.

ON BEHALF OF THE BOARD OF DIRECTORS OF TRES-OR RESOURCES LTD.
Laura Lee Duffett
Director

For further information contact

Laura Lee Duffett, P.Geo. - President
Ph: 604-541-8376
Fax: 604-541-8926
Brian Biles, Corporate Finance
Ph: 604-329-4421
email: info@tres-or.com



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