Common use of Modification of Premises Clause in Contracts

Modification of Premises. Effective as of the date this Amendment is fully executed by Landlord and Tenant (the “Expansion Commencement Date”), Tenant shall lease from Landlord and Landlord shall lease to Tenant the Expansion Premises. Rent with respect to the Expansion Premises shall not commence until the date which is the later of (i) the date that is sixty (60) days after the full execution and deliv ery of this Amendment, and (ii) December 1, 2011 (such later date, the “Expansion Rent Commencement Date”). The addition of the Expansion Premises to the Existing Premises shall, effective as of the Expansion Commencement Date, increase the size of the Premises to approximately 44,200 rentable feet. The Existing Premises and the Expansion Premises may hereinafter collectively be referred to as the “Premises.” Landlord shall deliver the Expansion Premises to Tenant upon the Expansion Commencement Date.

Modification of Premises. Effective as of the date this Amendment is fully executed by Landlord and Tenant (the “Second Expansion Commencement Date”) which is the earlier to occur of (i) the date upon which Tenant first commences to conduct business in the Second Expansion Premises, and (ii) the date upon which the Second Expansion Premises are “Ready for Occupancy” (as that term is defined in the Tenant Work Letter), Tenant shall lease from Landlord and Landlord shall lease to Tenant the Second Expansion Premises. Rent with respect to Consequently, effective upon the Second Expansion Commencement Date, the Existing Premises shall not commence until be increased to include the date which is the later of (i) the date that is sixty (60) days after the full execution and deliv ery of this Amendment, and (ii) December 1, 2011 (such later date, the “Second Expansion Rent Commencement Date”)Premises. The addition of the Second Expansion Premises to the Existing Premises shall, effective as of the Second Expansion Commencement Date, increase the size of the Premises to approximately 44,200 28,469 rentable square feet. The Existing Premises and the Second Expansion Premises may hereinafter collectively be referred to as the “Premises.” Landlord shall deliver the Expansion Premises to Tenant upon the Expansion Commencement Date.”. HCP LIFE SCIENCE REIT, INC. [Nkarta, Inc.]

Modification of Premises. Effective as of the date this Amendment is fully executed by Landlord and Tenant (the “Expansion Commencement Date”) which is the earlier to occur of (i) the date upon which Tenant first commences to conduct business in the Expansion Premises, and (ii) the date upon which the Expansion Premises are “Ready for Occupancy,” as that term is defined in Section 5.1 of the Tenant Work Letter attached hereto as Exhibit B (the “Tenant Work Letter”), which Expansion Commencement Date is anticipated to be January 1, 2020, Tenant shall lease from Landlord and Landlord shall lease to Tenant the Expansion Premises. Rent with respect to Consequently, effective upon the Expansion Commencement Date, the Existing Premises shall not commence until be increased to include the date which is the later of (i) the date Expansion Premises. Landlord and Tenant hereby acknowledge that is sixty (60) days after the full execution and deliv ery of this Amendment, and (ii) December 1, 2011 (such later date, the “Expansion Rent Commencement Date”). The addition of the Expansion Premises to the Existing Premises shall, effective as of the Expansion Commencement Date, increase the size of the Premises to approximately 44,200 42,623 rentable square feet. The Existing Premises and the Expansion Premises may hereinafter collectively be referred to as the “Premises.” Landlord shall deliver the Expansion Premises to Tenant upon the Expansion Commencement Date.”

Modification of Premises. Effective as of the date this Amendment is fully executed by Landlord and Tenant (the “"Expansion Commencement Date”") which is the later to occur of (i) March 1, 2020, or (ii) the date upon which the Expansion Premises are "Ready for Occupancy," as that term is defined in the Tenant Work Letter attached hereto as Exhibit B (the "Tenant Work Letter"), Tenant shall lease from Landlord and Landlord shall lease to Tenant the Expansion Premises. Rent with respect to Consequently, effective upon the Expansion Commencement Date, the Existing Premises shall not commence until be increased to include the date which is the later of (i) the date Expansion Premises. Landlord and Tenant hereby acknowledge that is sixty (60) days after the full execution and deliv ery of this Amendment, and (ii) December 1, 2011 (such later date, the “Expansion Rent Commencement Date”). The addition of the Expansion Premises to the Existing Premises shall, effective as of the Expansion Commencement Date, increase the size of the Premises to approximately 44,200 57,361 rentable square feet. The Existing Premises and the Expansion Premises may hereinafter collectively be referred to in this Third Amendment as the “"Premises.” ", and effective as of the Expansion Commencement Date the Existing Premises and the Expansion Premises shall collectively be the Premises. Landlord shall use commercially reasonable efforts to deliver the Expansion Premises to Tenant upon the Expansion Commencement Datefully decommissioned and Ready for Occupancy on or before May 1, 2020.

Modification of Premises. Effective as of the date this Amendment is fully executed by Landlord and Tenant (the “Expansion Commencement Date”) which is the earlier to occur of (i) the date upon which Tenant first commences to conduct business in the Expansion Premises, and (ii) the later of May 1, 2019 and the Delivery Date (defined below), Tenant shall lease from Landlord and Landlord shall lease to Tenant the Expansion Premises. Rent with respect to Consequently, effective upon the Expansion Commencement Date, the Existing Premises shall not commence until be increased to include the date which is the later of (i) the date that is sixty (60) days after the full execution and deliv ery of this Amendment, and (ii) December 1, 2011 (such later date, the “Expansion Rent Commencement Date”)Premises. The addition of the Expansion Premises to the Existing Premises shall, effective as of the Expansion Commencement Date, increase the size of the Premises to approximately 44,200 20,935 rentable square feet. The Existing Premises and the Expansion Premises may hereinafter collectively be referred to as the “Premises.” ”. Landlord shall deliver represents that the Expansion Premises are currently vacant and available for delivery to Tenant upon the Expansion Commencement Date.Tenant. HCP LIFE SCIENCE REIT, INC. [First Amendment] [Nkarta, Inc.]

Modification of Premises. Effective as of the date this Amendment is fully executed by Landlord and Tenant that Lessor delivers the Expansion Premises to Lessee (the “Expansion Commencement Date”), Tenant Lessee shall lease from Landlord Lessor and Landlord Lessor shall lease to Tenant Lessee the Expansion Premises. Rent with respect Consequently, effective upon the Expansion Commencement Date, the Existing Premises shall be increased to include the Expansion Premises. The Term of Lessee’s lease of the Expansion Premises shall not commence until expire conterminously with Lessee’s lease of the date which is Existing Premises on March 31, 2022. The period of time commencing on the later of (i) the date that is sixty (60) days after the full execution Expansion Commencement Date and deliv ery of this Amendmentterminating on March 31, and (ii) December 12022, 2011 (such later date, shall be referred to herein as the “Expansion Rent Commencement Date”). The Term.” Lessor and Lessee hereby acknowledge that such addition of the Expansion Premises to the Existing Premises shall, effective as of the Expansion Commencement Date, increase the size of the Premises to approximately 44,200 13,184 rentable square feet. The Existing Premises and the Expansion Premises may hereinafter collectively be referred to as the “Premises.” Landlord shall deliver the Expansion Premises to Tenant upon the Expansion Commencement Date.”

Modification of Premises. Effective as of the date this Amendment is fully executed by Landlord and Tenant that Lessor delivers the Expansion Premises to Lessee (the “Expansion Commencement Date”), Tenant . Lessee shall lease from Landlord Lessor and Landlord Lessor shall lease to Tenant Lessee the Expansion Premises. Rent with respect Consequently, effective upon the Expansion Commencement Date, the Existing Premises shall be increased to include the Expansion Premises. The Term of Lessee’s lease of the Expansion Premises shall not commence until expire co-terminously with Lessee’s lease of the date which is Existing Premises on March 31, 2022. The period of time commencing on the later of (i) the date that is sixty (60) days after the full execution Expansion Commencement Date and deliv ery of this Amendmentterminating on March 31, and (ii) December 12022, 2011 (such later date, shall be referred to herein as the “Expansion Rent Commencement Date”). The Term.” Lessor and Lessee hereby acknowledge that such addition of the Expansion Premises to the Existing Premises shall, effective as of the Expansion Commencement Date, increase the size of the Premises to approximately 44,200 15,355 rentable square feet. The Existing Premises and the Expansion Premises may hereinafter collectively be referred to as the “Premises.” Landlord shall deliver the Expansion Premises to Tenant upon the Expansion Commencement Date.”