Common use of Acknowledgment of Commencement Date Clause in Contracts

Acknowledgment of Commencement Date. This ACKNOWLEDGMENT OF COMMENCEMENT DATE is made as of this day of , 201 between ARE-MA REGION NO. 45, LLC, a Delaware limited liability company (“Landlord”), and FOGHORN THERAPEUTICS INC., a Delaware corporation (“Tenant”), and is attached to and made a part of the Lease dated as of , 2017 (the “Lease”), by and between Landlord and Tenant. Any initially capitalized terms used but not defined herein shall have the meanings given them in the Lease. Landlord and Tenant hereby acknowledge and agree, for all purposes of the Lease, that the Commencement Date of the Base Term of the Lease is , , the Rent Commencement Date is , , and the expiration date of the Base Term of the Lease shall be midnight on , . In case of a conflict between this Acknowledgment of Commencement Date and the Lease, this Acknowledgment of Commencement Date shall control for all purposes.

Acknowledgment of Commencement Date. This ACKNOWLEDGMENT OF COMMENCEMENT DATE is made as of this day of , 201 , between ARE-MA REGION SAN FRANCISCO NO. 4518, LLC, a Delaware limited liability company (“Landlord”), and FOGHORN THERAPEUTICS ADAPTIVE PLANNING, INC., a Delaware corporation (“Tenant”), and is attached to and made a part of the Lease dated as of , 2017 2013 (the “Lease”), by and between Landlord and Tenant. Any initially capitalized terms used but not defined herein shall have the meanings given them in the Lease. Landlord and Tenant hereby acknowledge and agree, for all purposes of the Lease, that the Commencement Date of the Base Term of the Lease is , , the Rent Commencement Date is , , and the expiration termination date of the Base Term of the Lease shall be midnight on , . In case of a conflict between the terms of the Lease and the terms of this Acknowledgment of Commencement Date and the LeaseDate, this Acknowledgment of Commencement Date shall control for all purposes.

Acknowledgment of Commencement Date. This ACKNOWLEDGMENT OF COMMENCEMENT DATE is made as of this day of , 201 between ARE-MA REGION NO. 45, LLC, a Delaware limited liability company (“Landlord”), and FOGHORN THERAPEUTICS SIGILON THERAPEUTICS, INC., a Delaware corporation (“Tenant”), and is attached to and made a part of the Lease dated as of , 2017 (the “Lease”), by and between Landlord and Tenant. Any initially capitalized terms used but not defined herein shall have the meanings given them in the Lease. Landlord and Tenant hereby acknowledge and agree, for all purposes of the Lease, that the Commencement Date of the Base Term of the Lease is , , the Rent Commencement Date is , , and the expiration date of the Base Term of the Lease shall be midnight on , . In case of a conflict between this Acknowledgment of Commencement Date and the Lease, this Acknowledgment of Commencement Date shall control for all purposes.

Acknowledgment of Commencement Date. This ACKNOWLEDGMENT OF COMMENCEMENT DATE is made as of this day of , 201 , between ARE-MA REGION NO. 4538, LLC, a Delaware limited liability company (“Landlord”), and FOGHORN THERAPEUTICS OVASCIENCE, INC., a Delaware corporation (“Tenant”), and is attached to and made a part of the Lease dated as of , 2017 (the “Lease”), by and between Landlord and Tenant. Any initially capitalized terms used but not defined herein shall have the meanings given them in the Lease. Landlord and Tenant hereby acknowledge and agree, for all purposes of the Lease, that the Commencement Date of the Base Term of the Lease is , , the Rent Commencement Date is , , and the expiration termination date of the Base Term of the Lease shall be midnight on , . In case of a conflict between the terms of the Lease and the terms of this Acknowledgment of Commencement Date and the LeaseDate, this Acknowledgment of Commencement Date shall control for all purposes.