Kelso Completes Delivery of Valve Order to Trinity Tank Car for 32 New Tank Cars

VANCOUVER, B.C., Aug. 9, 2007 - Kelso Technologies Inc. (TSX-V:KLS) (Other OTC:KEOSF) (the "Company"), developer of the unique JS line of pressure relief valves, is pleased to announce that it has just delivered the last 10 JS75 pressure relief valves of a total order of 32 valves ordered by Trinity Tank Car Inc.

The valves were supplied to Trinity Tank Car based on specifications delivered by Eastman Chemical Company, which commissioned the build of the 32 tank cars for use in their Kingsport, Tennessee based rail car fleet.

This recent order compliments the shipment of a quantity of valves to Rescar Industries and Texana Tank Car for installation on existing tank cars owned and/or leased by Eastman.

"While the size of the order is modest, the opportunity for Kelso to supply these valves to Trinity Tank Car is important. It is the first order that they have placed for Kelso valves. Trinity has now gained considerable knowledge about Kelso's valves and we hope and expect to supply more valves for future builds that Trinity undertakes for its customers. This order represents the second new build project that Kelso has ever supplied valves for. The first new build delivery was to American Rail Car for 120 of its rail tank cars completed in late 2006," stated John L. Carswell, Kelso's President & CEO.

Kelso Technologies Inc. is a public Company that trades on the TSX Venture Exchange under the symbol KLS and is quoted in the United States on the Pink Sheets under the symbol KEOSF.

For further information: please visit Kelso Technologies' website at

Kelso Technologies Inc.
Steven Cozine, Vice President
Corporate Development & Shareholder Relations
866-535-7685 ext. 3

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