FOR IMMEDIATE RELEASE:

July 4, 2008

TRI ORIGIN COMMENCES DRILLING AT NORTH ABITIBI

Tri Origin Exploration Ltd. (the ?Company? or ?Tri Origin?) (TOE: TSX-V) is pleased to announce that the Company has commenced its summer diamond drilling program at its North Abitibi project. Extensive geochemical sampling and ground induced polarization (I.P.) surveys have been completed recently by the Company to assist with the targeting of the drill program. This program is being conducted on new targets recently identified by Tri Origin from its geochemical and I.P. results in an area of known gold occurrences over a trend of 6 kilometres. The Company is drilling to discover new gold occurrences in and around that trend. The total drill program planned for this summer at North Abitibi includes 7 diamond drill holes totaling 1,250 metres. 

North Abitibi is a gold exploration project comprised of approximately 7,000 acres located 40 kilometres west of the Casa Berardi gold mine in the Abitibi Greenstone Belt of Ontario, one of the world?s leading gold producing areas. This highly prolific area hosts several gold and base metal mining districts in Quebec including Matagami, Selbaie and Joutel as well as the Detour Lake gold mine in Ontario. Tri Origin can acquire a 70% interest in the North Abitibi property under an option agreement with Vista Gold Corp. and Rockhaven Resources.

Once the drilling program at North Abitibi is completed the Company has instructed the drill team to mobilize the drill and relocate it to the Company?s Red Lake Extension (?RLX?) project at Red Lake, Ontario. That program is also currently planned to approximate 1,250 metres of diamond drilling. Further information respecting the drilling program at RLX will be released once drilling commences there.

Assay results from additional geochemical analysis and from diamond drilling at both locations will be made public when results are reported to the Company.

The Company is also pleased to announce that it has granted 500,000 incentive stock options to Rudy Duschek C.A. CFA, who was recently appointed Executive Vice-President Business Development and Chief Financial Officer of Tri Origin. The options are exercisable at a price of $0.35 per share, have a term of five years and are subject to vesting restrictions over a period of 18 months pursuant to the Company?s stock option plan.

Tri Origin is a leading Canadian exploration company with gold and base metal exploration projects in Canada and, through its investment in Tri Origin Minerals Ltd., base metal exploration and development stage projects in Australia.

For further information please contact:

Tri Origin Exploration Ltd.

Dr. Robert Valliant, President

or

Rudy Duschek C.A, CFA, Executive V-P Corporate Development and CFO

Tel: (905) 294-9942.

Web page - www.triorigin.com

E-mail: invest@triorigin.com

Tri Origin Exploration Ltd. is publicly listed on the TSX Venture Exchange under the trading symbol TOE. Tri Origin has leveraged exposure to mineral discoveries in Australia through its 48% equity interest in its subsidiary, Tri Origin Minerals Ltd.; a publicly traded company listed on the Australian Securities Exchange under the symbol TRO.