FOR IMMEDIATE RELEASE:

September 12, 2008

TRI ORIGIN ANNOUNCES $1 MILLION FLOW-THROUGH PRIVATE PLACEMENT

Tri Origin Exploration Ltd. (the ?Company? or ?Tri Origin?) (TOE: TSX-V) announces that it has executed a term sheet for a non-brokered private placement financing.

The Company has agreed to issue an aggregate of 3,000,000 flow-through common shares at $0.35 per share for gross proceeds of $1,050,000 to a Canadian institutional investor.  Proceeds of this financing will be used to advance exploration at the Company?s Red Lake Extension gold project (RLX) at Red Lake, Ontario and the North Abitibi gold project, 150 kilometres north of Kirkland Lake Ontario. Drilling is now in progress at the Red Lake Extension project where new targets have been delineated for preliminary testing. Results will be released upon completion of the program.  Closing of this private placement is expected to occur on or before September 17, 2008 and is subject to all required regulatory approvals and consents as well as completion of due diligence by the investor, execution and delivery of standard documentation including a subscription agreement and, other conditions as specified in the term sheet.

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 and CEO

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 affiliate, Tri Origin Minerals Ltd.; a publicly traded company listed on the Australian Stock Exchange under the symbol TRO.