Section 3.5 of the Lease is hereby deleted.  Landlord hereby grants the Original Tenant a one-time option to terminate and cancel the Lease (the “ Termination Option ”) as to not more than one (1) full floor of the 2-4-7 Floor Premises as it is then constituted, effective as of the last day of the 60 th  full calendar month following the Commencement Date (the “ Early Termination Date ”), by delivering to Landlord, on or before that date which is at least twelve (12) full calendar months immediately prior to the Early Termination Date, written notice of Tenant’s exercise of its Termination Option (the “ Early Termination Notice ”).  If Tenant exercises the Termination Option, the Early Termination Notice shall specify the portion of the the 2-4-7 Floor Premises being terminated (the “ Termination Portion ”).  If the Termination Portion is less than a full floor, the remaining portion of the 2-4-7 Floor Premises on that floor must be “acceptably configured” (as defined in Section 10(a), above), and shall be subject to final measurement determination as provided in Section 7(b), above.  If a dispute occurs regarding the location and configuration of the Termination Portion or the remaining portion of the 2-4-7 Floor Premises on that floor that is not resolved between Landlord and Tenant, using good faith efforts, within a reasonable time after Landlord’s design plan for the ground floor of the Building, such dispute will be resolved pursuant to the Dispute Resolution Procedure set forth in Section 27.21, with space planners having at least 10 years experience designing space for leases in Class A office buildings in Orange County, California, serving as Officials, subject to the criteria set forth herein.