LEASE TERMINATION AGREEMENT
THIS LEASE TERMINATION AGREEMENT ("Agreement") is made and entered into between CCP-CPN
One, Ltd., as successor to CPN One, Ltd. ("Landlord") and Celltech Cellular Information Systems, which was
merged into CTI Billing Solutions, Inc. (formerly CTI Group (Holding) Inc.) ("Tenant") on February 12, 2001.
W I T N E S S E T H
WHEREAS, pursuant to that certain Office Building Lease ("Existing Lease") dated November 1, 1994 and any
all subsequent amendments and consents between Landlord and Tenant, Tenant leased space the "Leased
Premises") identified as suite 200 containing approximately 18,005 square feet of Rentable area in the Commerce
Park North Office Center (the "Building"), 15425 North Freeway, Houston, Texas;
WHEREAS, Landlord and Tenant have reached agreement as to the terms and conditions under which the
Existing Lease shall terminate;
NOW, THEREFORE, in consideration of the mutual promises contained herein, and other good and valuable
consideration, the receipt and sufficiancy of which are hereby acknowledge, Landlord and Tenant covenant and
agree as follows:
1. Capitalized terms used in this Agreement and not defined herein shall have the same definitions and meanings
as ascribed such terms in the Existing Lease.
2. Subject to Tenant's timely fulfillment of the conditions to the termination and cancelation of the Existing Lease
as set forth herein below the Lease shall terminate as of and on January 31, 2002 (the "Termination Date").
Landlord, on behalf of itself and its transferees, sucessors and assigns, releases and discharges Tenant, together
with Tenant's employees, agents, officers, directors, predecessors successors, its transferees, successors and
assigns, from any claim or obligation, remedy whatsoever as provided for under the Existing Lease agreements
which includes and is not limited to the payment of Base Rent, Operating Costs, percentage rent or additional
rent or any other charge or sum now or hereafter payable by Tenan