This excerpt taken from the TPTX 10-K filed Mar 29, 2007.
18. EFFECT ON OTHER EMPLOYEE BENEFIT PLANS. The value of the Award subject to this Agreement will not be included as compensation, earnings, salaries, or other similar terms used when calculating the employees benefits under any employee benefit plan sponsored by the Company or any Affiliate except as such plan otherwise expressly provides. The Company
expressly reserves its rights to amend, modify, or terminate any of the Companys or any Affiliates employee benefit plans.