FACILITIES SERVICE AGREEMENT
This FACILITIES SERVICE AGREEMENT (this "Agreement") is made and entered into as of this 25th day of
June, 2003, by and between COLLOCATION SOLUTIONS, LLC, a Texas limited liability company ("CS"),
having a principal place of business at 1950 Stemmons Freeway, Suite 2033, Dallas, Texas, 75207, and Zix
Corporation, a Texas corporation ("CUSTOMER"), having a principal place of business at 2711 N. Haskell
Ave., Suite 2300, LB 36, Dallas, Texas 75204.
A. CS and the landlords of various buildings (the "Buildings") have entered into certain leases (the "Leases")
whereby CS leases certain premises (individually or collectively, the "Premises") within such Buildings. One of
these Premises is located at 205 W. 9th Street, Suite 201, Austin, TX 78701 and is considered the Premises for
purposes of this specific Agreement.
B. Customer is the owner, lessee or licensee of certain computer and telecommunications equipment (the
"Equipment") and desires to operate its Equipment at a Site (hereafter defined) within the Premises.
C. Customer desires that CS perform certain Services (hereunder defined), from time to time, in connection with
Customer's operation of the Equipment at the Site.
D. CS and Customer agree that Customer may locate its Equipment at the Site designated and that CS shall
perform the Services with respect to the Equipment at the Site, all on the terms and conditions set forth in this
Now, therefore, in consideration of the above recitals, the mutual promises set forth herein, and other good and
valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the parties hereto hereby
agree as follows:
1. DEFINITIONS. For purposes of this Agreement, the following definitions shall apply.
(a) "Commencement Date," as stated on Schedule A, shall mean the date that CS delivers the Site to Customer
with the Services set forth in this Agreement. Customer may, but shall not be required to, accept the Sit