The rights contained in this Section 1.5 shall be personal to the Original Tenant and any Affiliate Assignee and may only be exercised by the Original Tenant or such Affiliate Assignee (and not any other assignee or sublessee of the Original Tenant's interest (or Affiliate Assignee's interest) in this Lease) if the Original Tenant (or such Affiliate Assignee) (together with any subtenant of a Permitted Transfer) actually occupies at least seventy-five percent (75%) the entire Premises then leased by Original Tenant or such Affiliate Assignee as of the date of the First Offer Notice. Tenant shall not have the right to lease First Offer Space as provided in this Section 1.5 if, as of the date of the First Offer Notice, or, at Landlord's option, as of the scheduled date of delivery of such First Offer Space to Tenant, Tenant is in default under this Lease beyond the expiration of all applicable notice and cure periods or if Tenant has previously been in default beyond the expiration of all applicable notice and cure periods under this Lease more than once in the preceding twelve (12) months.