In connection with any new lease, or any renewal of a lease or modification of any existing Lease which extends the term or expands the premises under such Lease other than under an option or right governed by subsections (c)(iii) or (c)(iv) below, and is entered into between the Effective Date and the Closing, Tenant Improvement Costs and Leasing Commissions in connection with any such new lease, renewal or modification, shall be prorated between Buyer and Seller in proportion to the ratio between the portion of the new lease term or renewal term which occurs prior to the Closing Date and the portion of the new lease term or renewal term which occurs after the Closing Date.