Exhibit I Clause Samples

Exhibit I. NOTICE OF EXERCISE To: ----------------------------------------- 1. The undersigned Warrantholder hereby elects to purchase shares of the Series E Preferred Stock of _______________, pursuant to the terms of the Warrant Agreement dated the day of _______________, 199___ (the "Warrant Agreement") between ____________________ and the Warrantholder, and tenders herewith payment of the purchase price for such shares in full, together with all applicable transfer taxes, if any. 2. In exercising its rights to purchase the Series E Preferred Stock of ____________________, the undersigned hereby confirms and acknowledges the investment representations and warranties made in Section 10 of the Warrant Agreement. 3. Please issue a certificate or certificates representing said shares of Series E Preferred Stock in the name of the undersigned or in such other name as is specified below. --------------------------------------------------- (Name) --------------------------------------------------- (Address) WARRANTHOLDER: COMDISCO, INC. By: --------------------------------------------------- Title: ------------------------------------------------ Date: ------------------------------------------------- 13 ACKNOWLEDGEMENT OF EXERCISE The undersigned hereby acknowledge receipt of the "Notice of Exercise" from Comdisco, Inc., to purchase ______ shares of the Series E Preferred Stock of _____________, pursuant to the terms of the Warrant Agreement, and further acknowledges that ______ shares remain subject to purchase under the terms of the Warrant Agreement.