Common use of Expansion of the Premises Clause in Contracts

Expansion of the Premises. That certain space consisting of the entirety of the first (1st) floor of the Building and consisting of approximately 31,628 rentable square feet is referred to herein as the “Expansion Space.” The Expansion Space includes a vivarium consisting of approximately 4,052 rentable square feet (the “Vivarium”), which space will be delivered to Sublessee in advance of the Expansion Commencement Date, as more fully set forth in Section 3 below. The Expansion Space, exclusive of the Vivarium, contains approximately 27,576 rentable square feet, and such portion of the Expansion Space may be referred to herein as the “Remainder Space.” Sublessee shall sublease the Remainder Space effective as of the date (“Expansion Commencement Date”) that is the earlier of (a) the date Sublessee commences business operations in the Remainder Space, or (b) January 1, 2019. Accordingly, effective upon the Expansion Commencement Date, the Existing Premises shall be increased to include the Expansion Space. Such addition of the Expansion Space to the Existing Premises shall, effective as of the Expansion Commencement Date, increase the number of rentable square feet subleased by Sublessee to include the entire Master Premises leased by Sublessor pursuant to the Master Lease. Except as provided in Section 3 below as to the Vivarium, Sublessor will not be in default under this Amendment if the Expansion Commencement Date is delayed for any reason. Effective as of the Expansion Commencement Date, all references to the “Premises” shall mean and refer to the Existing Premises as expanded by the Expansion Space.

Expansion of the Premises. That certain space consisting Effective on and as of the entirety Expansion Date (hereinafter defined), the “Premises” (as such term is used in the Lease) shall be expanded to include that certain 5,973 square feet of Rentable Area designated as Suite 215 on the first second (1st2nd) floor of the Building Building, as further depicted on Exhibit A attached hereto and consisting of approximately 31,628 rentable square feet is referred to incorporated herein as for all purposes (the “Expansion Space.” The Expansion Space includes Premises”), for a vivarium consisting of approximately 4,052 rentable square feet term that is co-terminous with the Lease Term, which is currently scheduled to expire on February 29, 2020 (the “VivariumCurrent Expiration Date”), which space will be delivered upon and subject to Sublessee in advance all of the Expansion Commencement Dateterms of the Lease, as more fully set forth in Section 3 belowamended by this First Amendment. The “Expansion Space, exclusive of the Vivarium, contains approximately 27,576 rentable square feet, and such portion of the Expansion Space may be referred to herein as the “Remainder Space.Date” Sublessee shall sublease the Remainder Space effective as of mean the date (“Expansion Commencement Date”) that is two (2) weeks following the earlier of (ai) the date Sublessee commences business operations that the First Amendment Improvements (hereinafter defined) being performed in the Remainder SpaceExpansion Premises are Substantially Completed and the Expansion Premises is delivered to Tenant, or (bii) January 1, 2019. Accordingly, effective upon the date the First Amendment Improvements being performed in the Expansion Commencement Date, the Existing Premises shall be increased to include the Expansion Space. Such addition of the Expansion Space to the Existing Premises shall, effective as of the Expansion Commencement Date, increase the number of rentable square feet subleased by Sublessee to include the entire Master Premises leased by Sublessor pursuant to the Master Lease. Except as provided in Section 3 below as to the Vivarium, Sublessor will not be in default under this Amendment if the Expansion Commencement Date is delayed would have been Substantially Completed except for any reasonTenant Delays. Effective as The terms “First Amendment Improvements” and “Substantial Completion” or “Substantially Completed” are defined in the attached Exhibit B Work Letter. “Tenant Delays” consist of the Expansion Commencement Date, all references to the “Premises” shall mean and refer to the Existing Premises as expanded by the Expansion Space.those delays defined in Exhibit B.

Expansion of the Premises. That certain space consisting of the entirety of located on the first (1st) floor of the Building building located and addressed at 0000 Xxxxxxx Xxxxxx consisting of approximately 31,628 8,375 (7,295 usable) rentable square feet is referred to herein and known as Suite 100 and that certain space located on the “Expansion Space.” The Expansion Space includes a vivarium first (1st) floor of the building located and addressed at 0000 Xxxxxxx Xxxxxx consisting of approximately 4,052 15,344 rentable (13,366 usable) square feet (the “Vivarium”), which space will be delivered to Sublessee in advance of the Expansion Commencement Dateand known as Suite 100, as more fully set forth in Section 3 below. The Expansion Spaceoutlined on the floor plan attached hereto as Exhibit "A" and made a part hereof, exclusive of the Vivarium, contains approximately 27,576 rentable square feet, and such portion of the Expansion Space may be referred to herein as the “Remainder Space"EXPANSION SPACE.” Sublessee shall sublease the Remainder Space effective " Effective as of the date (“Expansion Commencement Date”) that is the earlier of (a) the date Sublessee commences business operations in the Remainder Space, or (b) January September 1, 20191998 ("EXPANSION COMMENCEMENT DATE"), Tenant shall lease from Landlord and Landlord shall lease to Tenant the Expansion Space. Accordingly, effective upon the Expansion Commencement Date, the Existing Premises shall be increased to include the Expansion Space. Such Landlord and Tenant hereby agree that such addition of the Expansion Space to the Existing Premises shall, effective as of the Expansion Commencement Date, increase the number of rentable square feet subleased by Sublessee to include the entire Master Premises leased by Sublessor pursuant Tenant in the Building to the Master Lease. Except as provided in Section 3 below as to the Vivarium, Sublessor will not be in default under this Amendment if the Expansion Commencement Date is delayed for any reasona total of 35,346 rentable square feet. Effective as of the Expansion Commencement Date, all references to the “"Premises” " shall mean and refer to the Existing Premises as expanded by the Expansion Space. Notwithstanding anything to the contrary contained herein, Tenant shall have the right to commence business from the Expansion Space during the period prior to the Expansion Commencement Date (the "EARLY OCCUPANCY PERIOD"), provided that (i) Tenant shall give Landlord at least ten (10) days prior notice of any such occupancy of the Expansion Space and (ii) all of the terms and conditions of the Lease, as amended by this First Amendment shall apply, including Tenant's obligations to pay Monthly Base Rent for the portion of the Expansion Space so utilized by Tenant (which rent shall be prorated based upon the number of rentable square feet of such space at Two Dollars ($2.00) per rentable square foot per month).

Expansion of the Premises. That certain space consisting of the entirety of located on the first ------------------------- (1st), mezzanine and third (3rd) floor floors of the Building and consisting of approximately 31,628 15,840 rentable square feet feet, known as Suites 101 (2,651 rentable square feet), 102 (1,014 rentable square feet), M-100 (3,585 rentable square feet) and 310 (8,590 rentable square feet), as outlined on the floor plan attached hereto as Exhibits. "A-1" through "A-3" and made a part hereof, is referred to herein as the “"Expansion Space.” The Expansion Space includes a vivarium consisting of approximately 4,052 rentable square feet (the “Vivarium”), which space will be delivered to Sublessee in advance of the Expansion Commencement Date, as more fully set forth in Section 3 below. The Expansion Space, exclusive of the Vivarium, contains approximately 27,576 rentable square feet, and such portion " Tenant shall lease portions of the Expansion Space may be referred to herein as the “Remainder Space.” Sublessee shall sublease the Remainder Space in phases, effective as of the date (“"Expansion Commencement Date”") that is the earlier date Landlord tenders possession of (a) the date Sublessee commences business operations in applicable portion of the Remainder Space, or (b) January 1, 2019Expansion Space to Tenant. Accordingly, effective upon the Expansion Commencement DateDate for a particular portion of the Expansion Space, the Existing Premises shall be increased to include such portion of the Expansion Space. Such The addition of the entire Expansion Space to the Existing Premises shall, effective as of the last Expansion Commencement Date, increase the number of rentable square feet subleased by Sublessee to include the entire Master Premises leased by Sublessor pursuant Tenant in the Building to the Master Leasea total of 32,391 rentable square feet. Except as provided in Section 3 below The Expansion Commencement Date is anticipated to be July 1, 2000 as to the VivariumSuite 101, Sublessor August 1, 2000 as to Suites M-100 and 102, and November 1, 2000 as to Suite 310; however, Landlord will not be in default under this Amendment the Lease if the applicable Expansion Commencement Date is delayed for any reasondoes not occur by such dates. Effective as In the event that Landlord has not delivered the applicable portion of the Expansion Commencement Space to Tenant on or before the "Outside Date, all references to ," which shall be one hundred eighty (180) days after the “Premises” shall mean and refer to the Existing Premises as expanded by anticipated date of delivery of such portion of the Expansion Space., then the sole remedy of Tenant shall be the right to deliver a notice to Landlord (the "Outside Date Termination Notice") electing to terminate this Amendment as to that portion of the Expansion Space only (and monthly Base Rent and Lessee's Percentage Share shall be adjusted accordingly and the Stated Amount of the Letter of Credit shall be decreased by an amount equal to $61.75 multiplied by the number of rentable square feet terminated by Tenant), effective upon receipt of the Outside Date Termination Notice by Landlord (the "Effective Date"). Except as provided hereinbelow, the Outside Date Termination Notice may be delivered by Tenant to Landlord, if at all, during the period from the Outside Date through the date of delivery of the applicable portion of the