Construction Allowance: The product of One Hundred Dollars ($100.00) and the number of square feet of Premises Rentable Area, based on the final measurement of the Premises as provided in Section 1 of Rider 2 to this Lease (currently anticipated to be Twenty Four Million Eight Hundred Ninety One Thousand and One Hundred Dollars ($24,891,100)).

WHEREAS, Landlord wishes to lease to Tenant, and Tenant desires to lease from Landlord, certain premises (the “Premises”) consisting of approximately 20,900 rentable square feet of space located on the first (1st) floor of the building located at 4980 Carroll Canyon Road in which the Premises are located (the “Building”), pursuant to the terms and conditions of this Lease, as detailed below.

Premises: approximately 248,911 square feet of rentable area (subject to measurement in accordance with Section 1 of Rider 2 to this Lease) in the Commercial/Garage Unit consisting of the entire rentable area located on the 9th, 10th, 11th, 12th, 13th, 14th, 15th, 16th, and 17th floors of the Building, as more particularly described and depicted on Exhibit A-11].

such change order will not materially change the gross square feet or the net rentable square feet of commercial space to be contained in the Improvements or the net rentable square feet of space to be contained in the Improvements, or the basic layout of the Improvements, or involve the use of materials, furniture, fixtures and equipment that will not be at least equal in quality to the materials, furniture, fixtures and equipment originally specified in or required by the approved Plans and Specifications; and

Grant of Option. If, at any time during the Term hereof the Lease, Landlord elects to construct the building within the Project currently designed to be comprised of approximately 95,000 rentable square feet and having an address of 3150 South Delaware (but which may be redesigned to increase the rentable square footage to up to 265,000 rentable square footage) (the “Station 5 Building”) as depicted on Exhibit B and make the Station 5 Building available for lease, Tenant shall have a one-time right to expand the Premises by leasing the Station 5 Building in accordance with the terms, covenants and conditions contained in this Paragraph 42 (the “Expansion Option”).

Landlord and Tenant presently desire to amend the Lease to add to the Lease # approximately 3,100 rentable square feet of space located on the third (3rd) floor of the Building, effective as of the date hereof, and # approximately 2,400 rentable square feet of space on the fourteenth (14th) floor of the Building, effective as of January 1, 2010, all on the terms and conditions set forth below.

In the definitions below, each current Rentable Area (as defined below) is expressed in square feet. Rentable Area and “Tenant’s Pro Rata Share” are both subject to adjustment as provided in this Lease.

Existing Premises. Landlord and Tenant hereby agree that pursuant to the Lease, Landlord currently leases to Tenant and Tenant currently leases from Landlord that certain office space in the Existing Building containing 33,676 rentable square feet located on the first (1st) and second (2nd) floors of the Existing Building as described in Section 1 of the Second Amendment (the "Existing Premises").

Landlord and Tenant are now parties to that certain Lease Agreement dated as of December 4, 2019 (the “Lease”). Pursuant to the Lease, Tenant leases certain premises containing approximately 98,133 rentable square feet located at 825 Industrial Road, San Carlos, California (the “Premises”). The Premises are more particularly described in the Lease. Capitalized terms used herein without definition shall have the meanings defined for such terms in the Lease.

Landlord and Tenant desire to substitute the Original Premises with approximately 4,754 rentable square feet of space commonly known as Suite B in the Building, with a street address of 3940 Trust Way, Hayward, California 94545 (the “Substitute Premises”), as set forth on [Exhibit A] attached hereto, and to make other modifications to the Lease on the terms and conditions set forth in this Amendment.