Wabash National Corporation Secures New Long-Term Order With Prime Inc.

LAFAYETTE, IN, Apr 06 (MARKET WIRE) --
Wabash National Corporation (NYSE: WNC) today announced confirmation of a
three year purchase agreement with Prime Inc., one of the largest
refrigerated carriers in North America.

The agreement is for 4,000 ArcticLite(R) refrigerated van trailers over
the next 34 months. 2010 trailer production requirements of 725 of those
trailers will begin this month.

"We're excited to continue our successful relationship with Wabash
National. Our purchase of their ArcticLite trailers has helped provide
Prime's customers with unmatched temperature control. These thermally
efficient and lightweight trailers are equipped with the latest
technology to maximize product protection, while reducing our carbon
footprint and conserving energy. The superior design of these trailers
enables us to maximize cargo weight and cubic capacity. We remain
committed to our quest of providing our customers with the most
productive and reliable equipment available," said Robert Low, Prime's
founder and Chief Executive Officer.

"We once again are pleased to partner with one of the nation's premier
refrigerated carriers, Prime Inc.," said Dick Giromini, Wabash National's
President and Chief Executive Officer. "Their continued support of the
benefits of our ArcticLite refrigerated van confirms the quality and
performance of this product."

Headquartered in Lafayette, Ind., Wabash National(R) 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(R), ArcticLite(R),
FreightPro(TM), Eagle(R) and Benson(R) brand names. The company operates
two wholly owned subsidiaries; Transcraft (R) Corporation, a manufacturer
of flatbed, drop deck, dump trailers and 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.

Founded in 1970, Prime Inc.'s corporate headquarters are located in
Springfield, Missouri. For more information on Prime Inc., visit
www.primeinc.com. Professional drivers are encouraged to stop by Prime's
terminal at the intersection of Interstate 44 and Highway 65 in
Springfield, Missouri.

Press Contact: Allison Henk
Marketing Communications Manager
(765) 771-5674

Investor Relations:
(765) 771-5310

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