FOURTH AMENDMENT TO LEASE
THIS AMENDMENT, made and entered into this 15th day of December, 2003, by and between PARK SPE,
LLC, herinafter called "Lessor," and CXT INCORPORATED, a Delaware corporation hereinafter called
WHEREAS, on April 1, 1993, the Lessor and Lessee entered into an agreement of Lease covering those certain
premises described as Spokane County Altered Binding Site Plan No. 87-17, Spokane County Binding Site Plan
No. 88-21, and Spokane County Binding Site Plan No. 88-22, containing approximately 8,619,217 gross
square feet (Building S-16), located at 3808 North Sullivan Road, situated in the County of Spokane, the State
WHEREAS, on March 28, 1996 the Lessor and Lessee entered into a First Amendment to Lease covering
those certain premises whereby expanding its Premises to include 2.765 acres of Parcel A (located East of Tract
A) and increasing the monthly Base Rent and Common Area Expenses.
WHEREAS, on June 30, 1999 the Lessor and Lessee entered into an Amendment to Lease covering those
certain premises whereby Lessee entered into an transaction wherein its stockholders sold all of their stock to
L.B. Foster Company, which sales constituted a transfer of the Lessee's interest in the Lease requiring Lessor's
consent. The Lease and all addendums and amendments thereto are hereinafter collectively referred to as the
WHEREAS, on November 7, 2002 the Lessor and Lessee entered into a Third Amendment to Lease covering
those certain premises whereby extending the Term of the Lease for an additional year effective January 1, 2003.
WHEREAS, the Lessee now desires to extend the Term of Lease for an additional seven (7) month period
effective January 1, 2004.
NOW, THEREFORE, in consideration of the Premises and agreements herein contained, it is hereby agreed as
Article 1.3. Project, shall be amended as follows:
The Premises shall be described as approximately 56,000 square feet in Building #S-16 and appro