Any such notice of election for early termination (“ Early Termination Notice at 6 Period Mark ”) can be given if at all only within the thirty (30) day period immediately preceding the 180 th day prior to the last day of Period 6 of the initial Term, time being strictly of the essence subject to the following and no such Early Termination Notice at 6 Period Mark shall be effective or binding unless, within ninety (90) days after the giving of the Early Termination Notice at 6 Period Mark, Tenant timely delivers to Landlord the payment of good, collected US dollars in the amount of the “ Termination Fee at 6 Period Mark ” defined below. Subject to the terms hereof, a properly given Early Termination Notice at 6 Period Mark so timely followed by the correct payment of the Termination Fee at 6 Period Mark shall irrevocably commit Tenant to such early termination election and shall cause the Lease to be deemed to naturally expire as of the last day of the first month of Period 7 of the initial Term of the Lease; herein the “ Early Termination Date at Period 6 Mark ”.