Pressure Systems International Presents Wabash National With Customer Excellence Award

San Antonio, TX (May 14, 2012) Pressure Systems International has recognized Wabash National Corporation with their 2011 Customer Excellence Award. The presentation of the award, a hand-crafted replica of a Wabash Trailer, was made by Frank Sonzala, Executive Vice President for PSI and Steve Robinson, PSI’s Director of OEM Sales and Dealer Programs to Dick Giromini, President and COO and Steve Miller, Vice President Supply Chain Management for Wabash National on April 20 during the Truck Trailer Manufacturers Association meeting in Tucson, AZ. Others in attendance at the award ceremony from Wabash National were Rod Ehrlich, Senior VP, Chief Technology Officer, Robert Lane, Director New Business Development and Brent Yeagy, VP and General Manager, Transportation Products Group. Also Tim Musgrave, President and CEO, PSI; Craig Frohock, General Manager Global Trailer and Bob Brazeau, Director of Engineering from Meritor; Mark Melletat, Director Trailer Systems/Field Operations for MeritorWabco and Ray Anderson, Publisher Trailer Body Builders magazine.

“Wabash was an important player in helping us exceed our sales goals for 2011” remarked Tim Musgrave, President an CEO of Pressure Systems International. “They offer the Meritor Tire Inflation System by PSI as their preferred automatic tire inflation system spec to their customers, and we appreciate that their recommendation adds significantly to the number of trailers protected by MTIS.” Wabash National has been offering MTIS™ by PSI on their trailers since the early 1990’s and also now offers the ThermALERT wheel-end heat-sensing technology as an added option.

About Wabash National Corporation

Headquartered in Lafayette, Indiana, Wabash National® Corporation (NYSE: WNC) is one of the leading manufacturers of semi trailers in North America. Established in 1985, the Company specializes in the design and production of dry freight vans, refrigerated vans, flatbed trailers, drop deck trailers, dump trailers, truck bodies and intermodal equipment. Its innovative core products are sold under the DuraPlate®, ArcticLite®, FreightPro®, Eagle® and Benson® brand names. The Company operates two wholly owned subsidiaries: Transcraft® Corporation, a manufacturer of flatbed, drop deck and dump trailers as well as truck bodies; and Wabash National Trailer Centers, trailer service centers and retail distributors of new and used trailers and aftermarket parts throughout the U.S.

About Pressure Systems International

Pressure Systems International is the world leader in automatic tire inflation systems and markets and sells its products in North America through Meritor as the Meritor Tire Inflation System by PSI. PSI has also opened markets in 39 countries and is currently exporting to China, Europe, South America, Africa and Australia. For more information about Pressure Systems International visit their website www.psi-atis.com