SCHEDULE 13D JOINT FILING AGREEMENTJoint Filing Agreement • September 22nd, 2010 • Trailer Investments, LLC • Truck trailers
Each of them is individually eligible to use the Schedule 13D to which this Exhibit is attached, and such Schedule 13D is filed on behalf of each of them; and
9,349,032 Shares WABASH NATIONAL CORPORATION COMMON STOCK (PAR VALUE $0.01 PER SHARE) UNDERWRITING AGREEMENTUnderwriting Agreement • September 22nd, 2010 • Trailer Investments, LLC • Truck trailers • New York
The undersigned understands that Morgan Stanley & Co. Incorporated (“Morgan Stanley”) proposes to enter into an Underwriting Agreement (the “Underwriting Agreement”) with Wabash National Corporation, a Delaware corporation (the “Company”) and Trailer Investments, LLC, providing for the public offering (the “Public Offering”) by Morgan Stanley (the “Underwriter”), of 9,349,032 shares (the “Shares”) of the common stock, par value $0.01 per share, of the Company (the “Common Stock”).
