Fourth Amendment to Office Lease Agreement, by and between the Company and Asset Growth Partners, L.P., dated as of December 27, 2019

A.The lease of Suite 320 by Lessee shall terminate as of December 31, 2019 (“Termination Date”) and Lessor shall be entitled to start marketing this space as of the execution of this Amendment. Notwithstanding anything herein to the contrary, on the Termination Date, Lessee shall surrender possession of Suite 320 to Lessor, and Lessor hereby agrees to accept Suite 320, in vacant broom clean condition, and otherwise in its condition as of the date hereof as full satisfaction of Lessee’s surrender obligations under the Lease with respect to Suite 320.

B.Lessee shall pay rent for said premises through December 31, 2019. Should Lessee fail to remove all debris by the Termination Date, rent shall continue until the premises have been delivered to Lessor in a broom clean condition.

C.Lessor shall take Suite 320 back clean of all debris in its “as-is” condition.

D.Lessee shall pay to Lessor a Termination Fee of Four Hundred Thousand Dollars ($400,000,00) on the Termination Date.

E.As of January 1, 2020, Lessee shall be relieved of all remaining liability and/or obligations in connection with Suite 320, including, but not limited to, future leasing commissions and restoration costs for Suite 320.

F.Lessor shall have no further obligation to contribute any dollar amount towards Tenant Improvements for any and all of Lessee’s remaining Premises.

G.Lessee hereby retracts all previous letters from Lessee’s Counsel regarding the Office Building Project and Lessee’s Premises, dated July 2, 2019 and August 27, 2019. The payment of $400,000 referenced above is an express conditions of this Amendment and if not properly performed will make this Amendment null and void.

H.Lessee shall provide Lessor with all existing plans it has for Suite 320 at no cost to Lessor.

I.Lessee’s notice date for early termination of the Remaining Premises (as defined below) shall become exercisable on or after January 1, 2023, per paragraph II.J below “Right to Terminate”.

J.Lessor shall be responsible for all ADA compliance and building code issues in and around the Office Building Project.

A.Paragraph 1.2 Premises: As of January 1, 2020, the Premises shall consist of 17,767 rentable square feet, commonly known as suite 350 (“Suite 350”), 10,500 rentable square feet, commonly known as suite 300 (“Suite 300”), both on the 3rd floor, and rentable 11,686 square feet, commonly known as suite 170 (“Suite 170”) located on the 1st floor, as shown on Exhibit A1 and Exhibit A2, for a combined Premises of 39,953 square feet (“Remaining Premises”). Following the Termination Date, all references to the Premises in the Lease shall refer to the Remaining Premises.

B.Paragraph 1.5 Term: The Term of the Lease shall expire on November 30, 2025. Lessor has delivered the Remaining Premises and Lessee has already taken possession, per the attached Exhibit A1 and Exhibit A2 and Lessee accepts the Remaining Premises and the entire Building Project located at 800 W. El Camino Real, Mountain View, CA, in their existing “as-is” condition, subject to Lessor’s express obligations under the Lease, including Section I(J) herein.

C.Paragraph 1.6 Base Rent: Base Rent with respect to Suite 350, consisting of approximately 17,767 rentable square feet, as of January 1, 2020 shall be $8.75 per square foot per month or One Hundred Fifty-Five Thousand Four Hundred Sixty-One Dollars ($155,461.00) and Base Rent with respect to Suite 170, consisting of approximately 11,686 rentable square feet, as of January 1, 2020 shall be $8.75 per square foot per month or One Hundred Two Thousand Two Hundred Fifty-Three Dollars ($102,253.00), provided that the foregoing amounts shall increase by 3% on January 1, 2021 and annually thereafter. Base Rent with respect to Suite 300, consisting of approximately 10,500 rentable square feet shall be $8.25 per square foot per month or Eighty-Six Thousand Six Hundred Twenty-Five Dollars, ($86,625.00), provided that such amounts shall increase by 3% on September 1, 2020 and annually thereafter. Monthly rent increases shall be rounded to the nearest dollar.

D.Paragraph 1.6a: Lessee shall be solely responsible for any and all Tenant Improvements it may desire to construct, for the Remaining Premises, including but not limited to architectural expenses, Permit fees, construction costs, etc. Lessor shall have no obligation to pay for any portion of Lessee’s Tenant Improvement Work.

E.Paragraph 1.8 Security Deposit: Lessor is currently holding a security deposit of One Million Three Hundred Eighty-Five Thousand Eight Hundred Four Dollars and 00 cents, ($1,385,804.00) from Lessee. Rent payment for the months of January 2020, January 2021 and January 2022 shall be deducted from the security deposit so long as is not in default of its obligations beyond applicable notice and cure periods.

F.Paragraph 1.9 Lessee’s Share of Operating Expense Increase: Effective as of January 1, 2020 Lessee’s Share of Operating Expense Increase shall be 33.9%. Lessee’s base year shall be 2018.

G.Paragraph 34    Signs:    Lessee shall have the right, with Lessors approval, to have building signage either on the building and/or on the monument. Lessor will work with Lessee and the city to determine the size and location of such signage. All signage shall be completed at Lessee’s sole cost and expense.

H.Paragraph 48 Tenant Improvements: Lessee, at Lessee’s sole cost, may construct improvements approved by Lessor. If Lessee constructs any Tenant Improvements, such Tenant Improvements must be constructed in accordance with the attached Exhibit B “Work Letter”

I.Paragraph 49 Option to Renew: Lessee’s existing Option to Renew shall apply to this Amendment as to all of the Premises retained by Lessee as part of this Amendment at the end of the Term; provided however, Lessee may have the option to extend for a period from 3 to 5 years, as designated by Lessee.

J.Right to Terminate: Lessee shall have the right to terminate this lease if Lessee needs additional square footage that the Lessor chooses not to or is unable to accommodate on fair market terms. Lessee may give Lessor 6 months written notice, such notice shall not be given prior to January 1, 2023, that Lessee requires additional square footage. Lessor shall inform Lessee within 90 days of receiving said notice as to whether they can accommodate the request. If Lessor does not have or chooses not to provide further expansion space for Lessee on fair market terms, Lessee may terminate the Lease and shall pay a termination fee equal to 8 months of the current rent and operating costs. If Lessee would like to sublease the space, Lessor will cooperate fully in finding an acceptable replacement tenant. If the parties do not agree on whether the additional space is being offered on fair market terms, such terms shall be determined in accordance with Paragraph 49 of the Original Lease.

K.Letter of Credit: Notwithstanding anything in the Lease or this Amendment to the contrary, Lessor shall only draw upon the Letter of Credit following an event of default and only to the extent required to cure the event of default. In the event that Lessor draws upon the Letter of Credit solely due to Lessee’s failure to renew the Letter of Credit at least thirty (30) days before its expiration (i) such failure to renew shall not constitute a default hereunder and (ii) Lessee shall at any time thereafter be entitled to provide Lessor with a replacement Letter of Credit that satisfies the requirements hereunder, at which time Lessor shall return the cash proceeds of the original Letter of Credit drawn by

Lessor. In the event Lessor improperly draws upon the Letter of Credit or misapplies the Letter of Credit proceeds, Lessee shall have the right to offset such amounts against rent.

L.Disability Accessibility Disclosure. For purposes of Section 1938 of the California Civil Code, as of the date of this Amendment, Lessor hereby discloses to Lessee, and Lessee hereby acknowledges, that, Lessor’s has not had Lessee’s Premises inspected by a Certified Access Specialist ("CASp"). Accordingly, "a CASp can inspect the Premises and determine whether the Premises complies with all of the applicable construction related accessibility standards under state law. Although state law does not require a CASp inspection of the Premises, Lessor may not prohibit Lessee from obtaining a CASp inspection of the Premises for the occupancy or potential occupancy of Lessee, if requested by Lessee, however, Lessee shall be solely responsible for all costs involved in the inspection and any repairs required in Lessee’s premises.

M.Mutual Release of Claims. In consideration for the release and distribution of the interpled sums as above-referenced, and in consideration of the further promises set forth in this Agreement, each party to this Agreement shall, and hereby does, release and forever discharge the every other party to this Agreement, and each of their predecessors, successors, assigns, agents, employees, representatives, attorneys, affiliates, subsidiaries, as well as any and all persons acting, or allegedly acting, by, under, through, or in concert with each party, against any and all claims, damages, actions, causes of action, liability, judgments, liens (including, but not limited to attorneys' fees), damages and charges of whatsoever nature, whether known or unknown, suspected or unsuspected, foreseen or unforeseen, fixed or contingent, or ever filed or prosecuted, which arises from or relates to the lease of Suite 320 and any claims that either party should reasonably know regarding the Lease and any amendments (excluding this Amendment) thereto as of the execution of this Amendment.

Waiver of Unknown Claims: The Parties agree that this Agreement is intended to be a full and final compromise, release, and settlement of all disputes of any existing claims against one another with respect to Suite 320. The Parties acknowledge that different or additional facts may be discovered in addition to those that the Parties now know or believe to be true with respect to the matters herein released, and the Parties agree that this Agreement shall be and remain in effect in all respects as a complete and final release, notwithstanding any different or additional facts. The Parties are aware of and acknowledge California Civil Code section 1542, which reads:

A GENERAL RELEASE DOES NOT EXTEND TO CLAIMS WHICH THE CREDITOR OR RELEASING PARTY DOES NOT KNOW OR SUSPECT TO EXIST IN HIS OR HER FAVOR AT THE TIME OF EXECUTING THE RELEASE, AND THAT IF KNOWN BY HIM OR HER WOULD HAVE MATERIALLY AFFECTED HIS OR HER SETTLEMENT WITH THE DEBTOR OR RELEASED PARTY.

The Parties fully understand the statutory language of California Civil Code section 1542 and, as a further consideration and inducement for this Agreement and to the extent not otherwise provided herein, expressly waive any rights they may have under California Civil Code section 1542, as well as under any statutes or common law principles to similar effect.

N.Intentionally Deleted.

O.Entire Agreement. The terms of this Amendment together with the Lease shall constitute the entire agreement and understanding of the parties hereto with respect to the matters covered herein, and all prior negotiations, agreements and understanding relating to such matters are deemed merged herein.

P.Counterparts. This Agreement may be signed in counterparts all of which, when assembled, shall constitute one original document.

Q.Capitalized Terms. Capitalized terms used but not defined herein shall have the meaning ascribed to such terms in the Lease.

R.Lender Approval. Lessor represents and warrants that it will use best effort to obtain the consent to this Amendment from any Lender with a Lien on the Building.

IN WITNESS WHEREOF, the parties hereto have duly executed this Agreement.

I.TENANT IMPROVEMENTS

1.Demolition

2.Core drilling

3.Framing

4.Any work that requires drilling or hammering into the floor or ceiling

5.Floor preparation

6.Ceiling insulation

II.COST OF THE TENANT IMPROVEMENTS WORK

"Completion Cost" of the Tenant Improvements (as hereinafter defined), to be borne solely by Tenant.