EXHIBIT 10 (a)
FOURTH AMENDMENT TO LEASE
This Fourth Amendment to Lease ("Agreement") is dated for reference purposes only as of March 31, 2000, by
and between Equus 213 1, LLC, a California limited liability company, ("Lessor") successor in interest to
Carlsbad Research Center Number Six, ("Original Lessor"), and International Lottery & Totalizator Systems,
Inc., a California corporation ("Lessee").
A. Original Lessor and Lessee entered into that certain Lease agreement dated June 26, 1992, (the "Lease"),
whereby Lessee leased from Original Lessor the Premises known as 2131 Faraday Avenue, Carlsbad, CA
92008. The Lease was subsequently amended by the First Amendment to Lease, dated December 20, 1994, by
the Second Amendment to Lease dated June 6, 1995, and by the Third Amendment to Lease dated August 19,
B. Among other things, the Third Amendment (i) required the Lessor to divide the building located at 2131
Faraday Avenue, Carlsbad, California
(hereinafter "Building") into two or more separate premises, (ii) reduced the size of the original Premises, and (iii)
extended the term of the Lease through June 30, 2005.
C. Lessee now desires to further modify the Lease, as amended, to revise
(i) the size of the Premises, (ii) the Rent, (iii) the security Deposit,
(iv) the Term, and make further revisions as set forth herein.
NOW, THEREFORE, in consideration of the facts contained in the Recitals above, the mutual covenants and
conditions below, and other good and valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties agree to further amend the Lease as follows:
1. Premises and Project. The Premises, hereinafter also referred to as Suite 100, 2131 Faraday Avenue,
Carlsbad, California, consists of approximately 24,791 rentable square feet, as shown on the attached Exhibit A
(which replaces the previous Exhibit A). Lessee's pro-rata share ("Share") of the Building and Project Operating
Expenses (as defined below) is