Common use of Commencement Dates Clause in Contracts

Commencement Dates. Rentable Suite No. Area --------- -------- November 1, 1991 717 25,626 May 1, 1992 705 5,598 May 1, 1992 710 1,043 However, for Suites 705 and 710 the Commencement Date is subject to delivery by Lessor of the space, free of existing tenancies by March 31, 1992. Should Lessor be unable to deliver said space to Lessee on said date then the Commencement Dates for Suites 705 and 710 only, shall be delayed one day for each day beyond March 31, 1992 said space is delivered to Lessee as provided herein. 2. Special Provisions ------------------ The following sections of Attachment I to the Lease ("Special Provisions") shall be modified as follows:

Commencement Dates. The following terms shall be added to the existing Lease language: Rentable Suite No. Area --------- -------- November 1, 1991 717 25,626 May 1June 15, 1992 705 5,598 May 1, 1992 710 1,043 300 1,887 However, for Suites 705 and 710 the Commencement Date above is subject to delivery by Lessor of the space, free of existing tenancies by March 31, 1992. Should Lessor be unable to deliver said space to Lessee on said date then the Commencement Dates for Suites 705 and 710 only, Date shall be delayed one day for each day beyond March May 31, 1992 said space is delivered to Lessee as provided hereinLessee. 2. Special Provisions ------------------ The following sections of Attachment I to the Lease ("Special Provisions") shall be modified as follows: