August 1, 2008 -- It is our pleasure to inform you that TSE DE MEXICO S.A. DE C.Y./SAN LUIS RIO COLORADO, SONORA has met PACCAR's expectation that supplier parts shipments achieve a 50 PPM or better level of quality.

Your company will be added to the list of 2007 "50 PPM" suppliers shown on our Internet site www.paccar.com and displayed on the "50 PPM" plaque in the PACCAR Purchasing Lobby.

Throughout the world, DAF, Kenworth and Peterbilt trucks have earned a reputation for unsurpassed quality. Much of the credit for this global success goes to PACCAR suppliers like TSE DE MEXICO S.A. DE C.V. who meet or exceed PACCAR's quality expectations.

We appreciate the quality products and services you provide to PACCAR.

We look forward to our ongoing relationship as we continue to deliver the highest quality products to our global customers.