Document:

EXEL 2013.09.30 Exhibit 10.2

Exhibit 10.2

SUBLEASE
THIS SUBLEASE (the “Sublease”), dated for reference purposes only as of August 5, 2013 (the “Execution Date”), is made by and between EXELIXIS INC., a Delaware corporation (“Sublandlord”), and SUTRO BIOPHARMA, INC., a Delaware corporation (“Subtenant”).
RECITALS
WHEREAS, Sublandlord and Britannia Pointe Grand Limited Partnership, a Delaware limited partnership (“Master Landlord”), are parties to that certain Lease dated as of May 24, 2001, as amended by that certain First Amendment to Lease dated as of February 28, 2003, and that certain Second Amendment to Lease dated as of July 20, 2004 (as amended, the “Master Lease”), pursuant to which Master Landlord leased to Sublandlord the building located at 240 East Grand Avenue (the “Master Premises”), in South San Francisco, California, as more fully described in the Master Lease.  The parties acknowledge that a copy of the Master Lease has been delivered by Sublandlord to Subtenant.
WHEREAS, the parties hereto desire that Sublandlord sublet to Subtenant and that Subtenant sublet from Sublandlord a portion of the first floor of the Master Premises, consisting of approximately 17,948.92 rentable square feet as shown on Exhibit A (the “Subleased Premises”).  
NOW, THEREFORE, for good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the parties hereto agree as follows:
1.    Sublease.  Sublandlord does hereby sublet to Subtenant and Subtenant does hereby sublet from Sublandlord, the Subleased Premises, together with the nonexclusive right to use the restrooms and showers located on the first floor of the Master Premises, the entry vestibule, lunchroom, mailroom, hallways, elevators, stairwells, mechanical closets, shipping and receiving room, approximately 138 square feet located in the server room marked as room #115 on Exhibit A and other spaces designated by Sublandlord from time to time for the non-exclusive use of the tenants of the Master Premises, and the Common Areas (as defined in the Master Lease) exterior to the Master Premises (collectively “Common Areas”).  Subtenant shall have exclusive use of the chemical and bio-waste storage areas located within the Subleased Premises, and shall have no right to use any other chemical and bio-waste storage areas in the Master Premises.  The parties hereto agree to the rentable square footage of the Subleased Premises set forth above and Subtenant’s Share (defined in Section 3(b) below) may be adjusted by Sublandlord in connection with a modification of the Common Area to accommodate further subletting of any portion of the Master Premises.  
(a)FF&E.  The Sublease hereunder also includes the license to use Sublandlord’s offices, cubicles, and other FF&E located within the Sublease Premises, a list of which is attached hereto as Exhibit B (the “FF&E”).  Subtenant shall maintain the FF&E in the same condition as received throughout the Term.  In the event of any damage to the FF&E, Subtenant shall provide written notice to Sublandlord of such damage and Subtenant shall make any and all repairs that are necessary at Subtenant’s sole cost and expense.  If Subtenant fails to make any repairs to the FF&E for more than fifteen (15) days after notice from Sublandlord (although notice shall not be required if there is an emergency), Sublandlord may, but shall not be required to, make the repairs, and Subtenant shall pay the reasonable cost of the repairs to Sublandlord within thirty (30) days after receipt of an invoice, 

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together with an administrative charge in an amount equal to ten percent (10%) of the cost of the repairs.  At all times during the Term, Subtenant shall insure the FF&E for its full replacement value.  Subtenant shall surrender the FF&E on the End Date or earlier termination of this Sublease in the same condition as received, reasonable wear and tear excepted. This Sublease and the license rights granted in connection herewith shall not include any right to require Sublandlord to provide any maintenance or repair or any technical or server support for any FF&E or any facilities within the Sublease Premises.  Sublandlord makes no representation or warranty as to the FF&E, and hereby expressly DISCLAIMS ANY WARRANTIES AS TO MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
2.    Term.  
(a)    Master Landlord’s Consent.  Sublandlord and Subtenant expressly acknowledge and agree that this Sublease is subject to Master Landlord’s prior written consent to this Sublease, on a form to be provided by Master Landlord that is reasonably acceptable to Sublandlord and Subtenant (“Master Landlord’s Consent”).  Sublandlord shall use commercially reasonable efforts to obtain Master Landlord’s Consent, and Subtenant agrees to cooperate in all reasonable respects in connection therewith. Master Landlord’s Consent, unless waived by Subtenant in writing, shall provide that Master Landlord approves of the Alterations described in Exhibit D to this Sublease and that the provisions of Section 13.1 of the Master Lease relating to “Permitted Transfers” shall also be applicable to Subtenant. If Master Landlord’s Consent  is not obtained within thirty (30) days after execution of this Sublease by both Subtenant and Sublandlord, then either Sublandlord or Subtenant may terminate this Sublease by giving written notice thereof to the other prior to receipt of Master Landlord’s Consent, and Sublandlord shall return to Subtenant any amounts delivered by Subtenant under this Sublease.  Neither party shall have any liability to the other for any termination or cancellation of this Sublease as a result of Master Landlord’s failure or refusal to consent to this Sublease, unless such party by its willful act caused Master Landlord to refuse timely consent to this Sublease.  Any fees charged by Master Landlord in connection with the Master Landlord’s Consent shall be at Sublandlord’s cost; provided that Subtenant shall within five (5) business days of demand, pay Sublandlord for any increase in such fees to the extent specifically resulting from Subtenant’s request for approval for Alterations, signage or other special request made by Subtenant during the process of seeking Master Landlord’s Consent.
(b)    Sublease Term.  Conditioned upon receipt of the fully-executed Master Landlord’s Consent, this Sublease shall be for a term (the “Sublease Term”) commencing on the later of (A) August 5, 2013, or (B) completion of all required county and other regulatory agency environmental health and safety closures with respect to the Subleased Premises (in either case, the “Start Date”), and ending on March 31, 2017, unless terminated earlier in accordance with the terms of this Sublease (as applicable, the “End Date”).  Upon Sublandlord’s delivery of the Subleased Premises to Subtenant, Sublandlord and Subtenant shall complete and execute the Delivery Agreement attached hereto as Exhibit C, confirming the Start Date and scheduled End Date.  If the Start Date shall not occur for any reason on or before September 15, 2013, then either party shall have the right to terminate the Sublease upon written notice to the other whereupon any monies previously paid by Subtenant to Sublandlord shall be reimbursed to Subtenant.   
(c)    Delivery and Condition.  Sublandlord shall deliver the Subleased Premises to Subtenant on the Start Date in “AS IS, WHERE IS” condition, and Sublandlord warrants that it has 

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complied with its obligations under the Master Lease, including its repair and maintenance obligations and its obligations to comply with applicable laws as such obligations are set forth in the Master Lease.  Sublandlord further warrants that the existing heating, ventilating and air conditioning system (“HVAC”) (which includes, without limitation, all HVAC systems serving the vivarium and lab areas within the Subleased Premises), electrical, plumbing, fire alarm, sprinkler, lighting, and all other such elements in the Subleased Premises shall be in good operating condition on the Start Date, and that the Subleased Premises, to Sublandlord’s actual knowledge, do not contain hazardous substances as defined in and in violation of Section 11.6 of the Master Lease.  If a non-compliance with such warranties exists as of the Start Date (or if the Subleased Premises contains hazardous substances in violation of Sublandlord’s obligations under the Master Lease), Sublandlord shall, at Sublandlord’s sole cost and expense, promptly after receipt of written notice from Subtenant setting forth with specificity the nature and extent of such non-compliance, malfunction or failure (or existence of hazardous substances), rectify the same, or, if responsibility for a particular item is the responsibility of the Master Landlord, Sublandlord shall use commercially reasonable efforts to cause Master Landlord to rectify the same.  To be effective, Subtenant’s written notice must be received by Sublandlord on or before the three (3) month anniversary of the Start Date.
3.    Rent.  
(a)    Base Rent.  Subtenant shall pay to Sublandlord monthly base rent (the “Base Rent”) for the Subleased Premises during the initial Sublease Term, as follows:  
	
			
	TERM
	Rental Rate/
Rent Per Sq Ft/ Per Month
	Rental Rate/
Aggregate Rent Per Month

	Months 1-12
	$2.00
	$35,897.83

	Months 13-24
	$2.15
	$38,590.17

	Months 25-36
	$2.30
	$41,282.51

	Months 37-End Date
	$2.45
	$43,974.84

	 
	 
	 

Base Rent for the first full month in which Base Rent is due shall be paid on the Execution Date.  On the first day of each month, Base Rent shall be due and payable, in advance, at the address specified for Sublandlord below, or at such other place as Sublandlord designates in writing, without any prior notice or demand and without any deductions or setoff whatsoever (except as otherwise expressly provided in this Sublease).  If the Start Date or End Date occurs on a day other than the first or last day, respectively, of a calendar month, then the Base Rent for such fractional month will be prorated on the basis of the actual number of days in such month.
(b)    Additional Rent.  During the Sublease Term, if Sublandlord shall be charged for additional rent or other sums pursuant to any of the provisions of the Master Lease, including, without limitation, “Operating Expenses”, as defined in Section 7.2 of the Master Lease, and real property taxes, as set forth in Section 6.2 of the Master Lease (but excluding real property taxes arising from improvements performed by Sublandlord to any portion of the Master Premises outside the Subleased Premises after the Execution Date hereof), as each is incorporated herein by reference, but excepting those sums incurred by Sublandlord as a result of Sublandlord’s breach of the Master Lease not caused by Subtenant, Subtenant shall pay, as “Additional Rent,” 100% of such additional rent or sums that in Sublandlord’s reasonable opinion should be allocated solely to the Subleased Premises, and if in 

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Sublandlord’s reasonable opinion the same cannot reasonably be so allocated, then 29.44%  (the 17,948.92 rentable square feet of Sublease Premises divided by the 60,967 rentable square feet in the Master Premises) of those charges that relate generally to the Master Premises (as applicable, “Subtenant’s Share”); provided, however, that Subtenant shall be entitled to Subtenant’s Share of any refund of such additional rent or sums received by Sublandlord from Master Landlord in accordance with Section 7.4 of the Master Lease or of any refund of real property taxes paid pursuant to Section 6.2 of the Master Lease if Subtenant paid Subtenant’s Share of such real property taxes. In the event of any further subletting of any portion of the Master Premises and a modification of the Common Area, Subtenant’s Share may be recalculated by Sublandlord. If Subtenant shall procure any additional services from Master Landlord, or if additional rent or other sums are incurred by Sublandlord as Tenant under the Master Lease for Subtenant’s sole benefit, Subtenant shall pay 100% of the cost thereof and shall, within ten (10) says of demand therefor, make such payment to Sublandlord or Master Landlord, as Sublandlord shall direct, and such charges shall not be prorated between Sublandlord and Subtenant.  Any other rent or other sums payable by Subtenant under this Sublease shall constitute and be due as Additional Rent.  All Additional Rent that is payable to Sublandlord shall be paid at the time and place that Base Rent is paid, except as otherwise provided in this Sublease.  Sublandlord will have the same remedies for a default in the payment of any Additional Rent as for a default in the payment of Base Rent.  Together, Base Rent, Additional Rent and any other sums due hereunder from Subtenant are sometimes referred to in this Sublease as “Rent”.   In the event of damage to the Subleased Premises, Rent shall abate proportionately under this Sublease to the extent that rent abates under the Master Lease. Notwithstanding anything to the contrary contained in this Sublease, Subtenant shall not be required to pay any additional rent due from, or perform any obligation of, Sublandlord as Tenant under the Master Lease, that is (i) fairly allocable to any period of time prior to the Start Date, or (ii) payable as a result of a default by Sublandlord as Tenant under the Master Lease not caused by a default by Subtenant under this Sublease.
(c)    Late Charge; Interest.  If Subtenant fails to pay any Rent within five (5) days of the date when due, Subtenant shall pay a late charge and interest thereon in accordance with the terms of Section 3.2 of the Master Lease, which is incorporated herein by this reference.  No endorsement or statement on a check or letter accompanying a check or payment shall be considered an accord and satisfaction of past due Rent.  Subtenant’s covenant to pay Rent is independent of every other covenant in this Sublease.
4.    Utilities and Other Services; After Hours HVAC.  
(a)    Estimated Utilities and other Services Cost.  Pursuant to Section 8 of the Master Lease, Sublandlord pays certain charges for water, gas, heat, light, electricity, power, sewer, janitorial services, elevator, HVAC and boiler testing and maintenance, fire alarm and protection,  waste disposal, air and water treatment, emergency generator and uninterrupted power supply testing and maintenance furnished to, or for, the Master Premises, and such other services or utilities supplied to or consumed in or with respect to the Master Premises (collectively, the “Services”), directly to the providers thereof.  Within thirty (30) days following expiration of each calendar year, Sublandlord shall provide to Subtenant Sublandlord’s estimate of Subtenant’s Share of the cost of the Services for the upcoming year (“Estimated Services Cost”), along with copies of any invoices from relevant providers, if requested by Subtenant.   The Subtenant’s Share of the Estimated Services Cost for the months between the Start Date and the end of calendar year 2013 is $.20 per square foot per month, which may be changed from time to time by notice to Subtenant if Sublandlord has reason to believe that its estimate 

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is less than actual cost of the Services.  Within ten (10) days of demand, Subtenant shall pay each month, as Additional Rent, Subtenant’s Share of the Estimated Services Cost.  
(b)    Annual True-up.  Within ninety (90) days following the end of each calendar year (or as soon thereafter as is reasonably possible), Sublandlord shall deliver to Subtenant a statement of Subtenant’s Share of the actual cost of the Services incurred for the preceding year, together with copies of all invoices for the Services if requested by Subtenant.  If on the basis of such statement Subtenant owes an amount that is more or less than the estimated payments for the preceding year previously made by Subtenant, Subtenant or Sublandlord, as the case may be, shall pay the deficiency to the other party within thirty (30) days after delivery of the statement. Failure or inability of Sublandlord to deliver the annual statement within such ninety (90) day period shall not impair or constitute a waiver of Subtenant’s obligation to pay in accordance with this Section for the Services it consumes, or cause Sublandlord to incur any liability for damages.
(c)    Allocation Based on Excess Consumption.  In the event that at any time during the Sublease Term Sublandlord reasonably believes that any occupant of the Master Premises is consuming more than its proportionate share of utilities, then Sublandlord shall engage Palmer Electric, or other company acceptable to both parties in their reasonable discretion, to perform a measurement of the utilities consumption by all occupants of Master Premises.  If such measurement reflects that Subtenant is consuming more than its proportionate share of utilities Sublandlord shall be entitled to charge Subtenant for the costs of such excess consumption calculated in a commercially reasonable manner.
(d)    Phone and Data.  Subtenant shall also contract directly with or otherwise obtain telephone and data services and any other services desired by the Subtenant and not provided by Master Landlord for the Subleased Premises.  
(e)    HVAC Hours of Operation.  The HVAC in the entire building in which the Subleased Premises are located is operated by the Sublandlord on a twenty-four (24) hours per day, seven (7) days per week (“24/7”) basis, and the costs and expenses of the HVAC are included in the Estimated Services Costs.  In the event that Subtenant has any concerns about the operation of the HVAC, Subtenant shall give notice as follows: between the hours of 8:00 am and 5:00 pm Monday through Friday, by e-mailing the Facilities staff at: facilities@exelixis.com or between the hours of 5:00 pm and 8:00 am on weekdays, 8:00 am and 5:00 pm on Saturdays and Sundays including holidays, calling the Facilities “On Call” phone number at 650-837-7200, and Sublandlord shall use commercially reasonable efforts to respond to such concerns; provided that Sublandlord may bill to Subtenant overtime charges, if any, Sublandlord incurs in connection with having its facilities vendor respond to Subtenant (the current charges are $85.00 per hour but are subject to change from time to time).      
5.    Security Deposit.  Concurrently with Subtenant’s execution of this Sublease, Subtenant shall provide to Sublandlord a cash Security Deposit (“Security Deposit”) in the amount of Forty Thousand Dollars and Zero Cents ($40,000.00).  If Subtenant fails to pay Rent or any other sums as and when due hereunder, or otherwise defaults with respect to any provision of this Sublease beyond the applicable notice and cure period, Sublandlord may (but shall not be obligated to) use, apply or retain all or any portion of the Security Deposit for payment of any sum for which Subtenant is obligated or which will compensate Sublandlord for any costs, loss or damage which Sublandlord may suffer thereby.  Any draw or partial draw of the Security Deposit shall not constitute a waiver by Sublandlord of its right to enforce its other remedies hereunder, at law or in equity.  If any portion of the Security Deposit is 

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so used or applied, Subtenant shall, within ten (10) days after written demand therefor, deposit cash with Sublandlord in an amount sufficient to restore the Security Deposit to its original amount.  Subtenant’s failure to do so shall be a default of this Sublease.  Sublandlord shall not be required to keep the Security Deposit separate from its general funds, and Subtenant shall not be entitled to interest thereon.  If Subtenant shall default more than three (3) times in the payment of Base Rent or Additional Rent, irrespective of whether or not such default is cured, then Subtenant shall deliver to Sublandlord a replacement Security Deposit within ten (10) days after demand by Sublandlord in an amount equal to three (3) times the Base Rent and Additional Rent.  If Subtenant fully and faithfully performs every provision of this Sublease to be performed by it, the Security Deposit or any remaining balance thereof shall be returned to Subtenant, or, at Sublandlord’s discretion, Subtenant’s last assignee, if applicable, within thirty (30) days after the expiration of the Sublease Term (or earlier termination of the Sublease) and Subtenant’s vacation and surrender of the Subleased Premises in accordance with the terms of this Sublease.  Subtenant hereby waives the provisions of California Civil Code Section 1950.7 (other than Paragraph 1950.7(b)) and 1951.7 and agrees that the Security Deposit shall be governed by the provisions of this Sublease.
6.    Compliance with Laws; Use.  The Subleased Premises shall be used for office, research and development, laboratory, vivarium, manufacturing, warehousing, administrative uses and all related legal uses, as permitted under the Master Lease and approved by the City of South San Francisco and any other governmental entity having jurisdiction over the Subleased Premises.  Subtenant and its employees, agents, contractors and invitees (the “Subtenant Controlled Parties”) shall comply with all statutes, codes, ordinances, orders, rules and regulations of any municipal or governmental entity, including, without limitation, all applicable federal, state and local Laws or regulations governing protection of, or damage to the environment, or the treatment, storage or disposal of hazardous substances (collectively referred to as “Laws”), regarding the operation of Subtenant’s business and Subtenant’s particular use of the Subleased Premises.  In addition to the foregoing, Subtenant shall comply with the terms of Section 11 of the Master Lease, which are incorporated herein by this reference (provided, however, that all references therein to “Landlord” shall mean and refer to Master Landlord, except for any indemnity obligations thereunder, which shall be for the benefit of both Sublandlord and Master Landlord, references to “Tenant” shall mean “Subtenant”, references to “Building” or “Property” shall mean the “Subleased Premises” and references to “Rent Commencement Date” shall mean the “Start Date”), and any other rules and regulations of the Master Premises adopted by Master Landlord from time to time, provided that a copy thereof is made available to Subtenant; provided, however, that Subtenant shall not be required to perform any alteration, addition or change of the Subleased Premises required by law, regulation, ordinance or order of any public authority unless such alteration, addition or change is required as a result of (i) Subtenant’s particular use of the Subleased Premises or (ii) any alteration to the Subleased Premises made by or on behalf of Subtenant, and/or any application made by or on behalf of Subtenant for governmental permits, licenses or approvals.  Under no circumstances shall Subtenant be liable for any hazardous substances present at any time on or about the Subleased Premises or the Building, or the air, soil, improvements, ground water or surface water thereof (including without limitation the cost of remediation thereof), except to the extent caused to be present by Subtenant, its affiliates or their respective, agents, employees, contractors, vendors or invitees.
7.    Maintenance and Repairs.  Subtenant hereby confirms its assumption of Sublandlord’s maintenance and repair obligations under the Master Lease to the extent such obligations are applicable to the Subleased Premises, except as set forth below. Except as such maintenance and repairs are the 

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responsibility of Master Landlord pursuant to the Master Lease, Subtenant shall, at its sole cost, keep and maintain in good condition and repair the Subleased Premises to the same extent that Sublandlord is required to so keep and maintain the Subleased Premises pursuant to the Master Lease; provided, however, that in the event a necessary repair or maintenance item affects a portion of Master Premises for which Sublandlord is responsible under the Master Lease, and such portion is greater than just the Subleased Premises, then, Sublandlord shall perform such obligation and Subtenant shall pay Sublandlord Subtenant’s Share of the cost of such item within ten (10) days of demand.    Notwithstanding anything to the contrary contained in this Section, in no event shall Sublandlord be obligated to undertake any maintenance and repair obligations that are otherwise the responsibility of Master Landlord hereunder or under the Master Lease.  
8.    Subtenant Improvements; Repairs and Alterations.  Any alterations, additions or improvements to the Subleased Premises by or for Subtenant (collectively referred to as “Alterations”) shall require the prior written consent of both Sublandlord and Master Landlord and shall be made in accordance with Section 9 of the Master Lease, which is incorporated herein by this reference (provided, however, that all references therein to “Tenant” and “Premises” shall mean “Subtenant” and the “Subleased Premises”, respectively, and all references therein to “Landlord” shall mean both “Sublandlord” and “Master Landlord”).  Sublandlord confirms that it will approve the Alterations proposed in Exhibit D, provided that Master Landlord approves such Alterations in accordance with the Master Lease.  Subtenant shall be solely responsible for the planning, construction and completion of any Alterations at Subtenant’s sole cost and expense.  Subtenant shall make all payments for Alterations in a timely manner so as not to permit any mechanic’s or other liens to be placed upon the Subleased Premises in connection with any Alterations.  Subtenant shall fully discharge any such lien within ten (10) days after it first becomes aware of the same.  Subtenant shall not damage or deface the furnishings, walls, floors, ceilings or other portions of the Subleased Premises.  Any damage to the Subleased Premises caused by Subtenant or a Subtenant Controlled Party shall be promptly repaired by Subtenant, to Sublandlord’s reasonable satisfaction, at Subtenant’s sole cost and expense.  If Subtenant shall fail to repair any damage within a reasonable time following notice from Sublandlord, Sublandlord shall have the right to repair any damage caused by Subtenant at Subtenant’s sole cost and expense.  In such event, Subtenant shall reimburse Sublandlord for the reasonable cost of any such repairs within ten (10) days after receipt of an invoice, together with an administrative charge in an amount equal to ten percent (10%) of the cost of the repairs.  All Alterations to the Subleased Premises shall remain upon the Subleased Premises following the End Date, provided that Sublandlord receives a written waiver from Master Landlord of its surrender obligations set forth in Section 9.2 of the Master Lease with respect to such Alterations (a “Surrender Restoration Waiver”), unless Master Landlord’s consent to installation of such Alterations expressly permits Subtenant to remove any portion of the Alterations.  If requested by Subtenant, Sublandlord shall use commercially reasonable efforts to obtain such Surrender Restoration Waiver from Master Landlord; provided that any costs and expenses incurred in connection therewith  (including, without limitation, fees, costs and expenses due to the Master Landlord and Sublandlord’s reasonable attorney’s fees) shall be paid by Subtenant.  If a Surrender Restoration Waiver is not obtained, or if Master Landlord’s consent to installation of such Alterations expressly permits Subtenant to remove any portion of the Alterations,  then Subtenant shall, prior to the End Date, promptly remove any Alterations made by Subtenant and required, or permitted, to be removed by Master Landlord pursuant to the Master Lease, at Subtenant’s sole cost and expense and repair any damage to the Subleased Premises caused by such removal and return the Subleased Premises to the condition required by the Master Lease.  In no event shall Sublandlord require the 

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removal of any Alterations if Master Landlord is not requiring such removal pursuant to the terms of the Master Lease.   
9.    Entry by Sublandlord or Master Landlord.  Sublandlord or Master Landlord may enter the Subleased Premises at any time during the Sublease Term to inspect or show the Subleased Premises, or to clean and make repairs, alterations or additions to the Subleased Premises (in accordance with Section 14.1 of the Master Lease, which is incorporated herein by this reference, provided, however, that all references therein to “Tenant” and “Premises” shall mean “Subtenant” and the “Subleased Premises”, respectively and all references therein to “Landlord” shall mean both “Sublandlord” and “Master Landlord”).  Except in case of emergencies, Master Landlord or Sublandlord, as applicable, shall provide Subtenant with at least twenty-four (24) hours prior notice of entry into the Subleased Premises, which may be given orally (and if orally, then to Subtenant’s Chief Financial Officer at (650) 392-8412 and Director of Facilities at (650) 392-8412 or such other person or persons designated by Subtenant from time to time).  In addition to the foregoing, Sublandlord reserves the right in the event of an emergency to allow its employees to enter and exit the Subleased Premises in order to exit the Master Premises.
10.    Assignment and Subletting; Consent Required. Except for a “Permitted Transfer” pursuant to Section 13.1 of the Master Lease incorporated herein, Subtenant shall not assign, sublease, transfer or encumber any interest in this Sublease or allow any third party to use any portion of the Subleased Premises (collectively or individually, a “Transfer”), without the prior written consent of Sublandlord and Master Landlord, which may be given or withheld in accordance with Section 13 of the Master Lease, which is incorporated herein by this reference (provided, however, that all references therein to “Landlord”, “Tenant” and “Building” shall mean “Sublandlord”, “Subtenant” and “Subleased Premises”, respectively).  Any Transfer or attempted Transfer without the consent of Sublandlord and Master Landlord, except for a Permitted Transfer, shall be a default by Subtenant and, in addition to any other rights and remedies, shall entitle Sublandlord to terminate this Sublease.  To the extent that rent paid by such assignee or sublessee is in excess of Rent paid by Subtenant hereunder (“Bonus Subrent”), such Bonus Subrent shall first be split per Section 13.2(b) and (c) of the Master Lease as incorporated herein, to be paid and distributed accordingly within five (5) days of actual receipt by Subtenant. 
11.    Indemnity and Waiver of Claims.  Except to the extent caused by the gross negligence or willful misconduct of Sublandlord or any of its owners, partners, principals, members, trustees, officers, directors, shareholders, agents, employees and lenders (“Sublandlord Related Parties”) or a breach of the Master Lease or the Sublease by Sublandlord, Subtenant shall indemnify, defend and hold Sublandlord and the Sublandlord Related Parties harmless from and against all liabilities, damages, claims, and expenses, including, without limitation, reasonable attorneys’ fees (if and to the extent permitted by Law), which may be imposed upon, incurred by or asserted against Sublandlord or any of Sublandlord Related Parties arising out of or in connection with any damage or injury occurring in the Subleased Premises caused by any acts or omissions (including violations of Law) of Subtenant or any Subtenant Controlled Parties.  Subtenant hereby waives all claims against Sublandlord and Sublandlord Related Parties for (a) any damage to person or property (or resulting from the loss of use thereof) arising in connection with this Sublease, except to the extent caused by the gross negligence or willful misconduct of Sublandlord or any Sublandlord Related Party or a breach of the Master Lease or the Sublease by Sublandlord and (b) any failure to prevent or control any criminal or otherwise wrongful conduct arising in connection with this Sublease by any third party or to apprehend any third 

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party who has engaged in such conduct.  Notwithstanding any provision in this Sublease to the contrary, neither Sublandlord nor any Sublandlord Related Party shall be liable for (and Subtenant hereby waives any claims for) any injury or damage to, or interference with, Subtenant’s business, including loss of profits, loss of rents or other revenues, loss of business opportunity, loss of goodwill or loss of use, or for any form of special or consequential damage.  
12.    Insurance.  The provisions of Section 12 of the Master Lease pertaining to insurance shall be incorporated into this Sublease, subject to the following terms.  For purposes of this Sublease, the term “Tenant” in Section 12 of the Master Lease shall be deemed to mean Subtenant, the term “Landlord” shall be deemed to mean Master Landlord (except that the release and waiver of subrogation shall also apply as between Sublandlord and Subtenant) and the term “Property” shall mean the “Subleased Premises”, except that all policies of insurance required to be maintained by Subtenant hereunder and thereunder shall name both Sublandlord and Master Landlord as additional named insureds and all notices related to such insurance and all evidence of such policies shall be delivered to both Sublandlord and Master Landlord.  Notwithstanding the foregoing, so long as Master Landlord so consents, Subtenant shall not be required to carry Products / Completed Operations insurance pursuant to Section 12.1(a) of the Master Lease if Subtenant does not produce any marketed or clinical products.  Subtenant covenants that it shall obtain Master Landlord’s approval for the form of insurance certificate to be provided to Master Landlord, including any “blanket insurance” policy obtained by Subtenant. Prior to the Start Date.
13.    Damage or Destruction and Condemnation.  The provisions of Section 15 of the Master Lease pertaining to damage or destruction and condemnation shall be incorporated into this Sublease, subject to the following terms.  For purposes of this Sublease, the term “Tenant” in Section 15 of the Master Lease shall be deemed to mean Subtenant and the term “Landlord” therein shall be deemed to mean Master Landlord and the terms “Building” and “Property” shall mean the Subleased Premises.  In no event shall Sublandlord have any obligation to Subtenant to restore the Subleased Premises if damaged, destroyed or condemned as described in Section 15 of the Master Lease.
14.    Events of Default.  The occurrence of any of the following shall constitute a material breach of this Sublease and an Event of Default by Subtenant: (i) failure to pay Rent or any other amount within three (3) days business after written notice of nonpayment; (ii) all those items of default set forth in the Master Lease where the obligation is incorporated in this Sublease, including, without limitation, the Events of Default listed in Section 16 of the Master Lease (which is incorporated into this Sublease), which remain uncured after the cure period provided in the Master Lease; or (iii) Subtenant’s failure to perform any other term, provision or covenant of this Sublease, which failure remains uncured after thirty (30) days written notice thereof, or if such failure is not susceptible of cure within thirty (30) days, such additional time as reasonably required for such cure provided Subtenant commences such cure within said thirty (30) day period and diligently prosecutes such cure to completion.  For purposes of this Sublease, the term “Tenant” in Section 16 of the Master Lease shall be deemed to mean “Subtenant”, the term “Landlord” shall be deemed to mean Sublandlord and the terms “Building” and “Property” shall be deemed to mean the Subleased Premises.
15.    Remedies.  Upon any default by Subtenant under the terms of this Sublease, beyond any applicable notice and cure period, Sublandlord shall have the remedies set forth in Section 16 of the Master Lease (which shall be incorporated into this Sublease) as if Sublandlord is Master Landlord, including, without limitation, the right to terminate this Sublease, in which case Subtenant shall 

9

immediately surrender the Subleased Premises to Sublandlord.  If Subtenant fails to surrender the Subleased Premises, Sublandlord may, in compliance with applicable Law and without prejudice to any other right or remedy, enter upon and take possession of the Subleased Premises.  Subtenant shall pay Sublandlord on demand the amount of all past due Rents, plus other losses and damages which Sublandlord may suffer as a result of Subtenant’s uncured default.  In addition to the right to terminate this Sublease and collect damages, Sublandlord shall have the right to pursue any other remedy provided under the Master Lease or that is now or hereafter available at Law or in equity.  For purposes of this Sublease, the term “Tenant” in Section 16 of the Master Lease shall be deemed to mean “Subtenant”, the term “Landlord” shall be deemed to mean Sublandlord and the terms “Building” and “Property” shall be deemed to mean the Subleased Premises.
16.    Master Lease.  
(a)    Subtenant takes possession of the Subleased Premises, and enters into this Sublease, subject and subordinate to all of the terms, covenants, conditions, and restrictions of the Master Lease.  Neither Sublandlord nor Subtenant shall by act or omission cause a breach of any of the terms, covenants, conditions, and restrictions contained in the Master Lease.  Sublandlord shall not agree to, or take any actions giving rise to, any amendment, modification or termination of the Master Lease that materially adversely impacts the rights and obligations of Subtenant hereunder without Subtenant’s prior written consent.  Except to the extent incorporated by reference in this Sublease, none of the terms, covenants, conditions and restrictions of the Master Lease are incorporated herein to define the agreement as between Sublandlord and Subtenant.  With respect to any obligation of Subtenant to be performed under this Sublease, wherever the Master Lease grants to Sublandlord a specified number of days after notice or other time condition to perform its corresponding obligation under the Master Lease (excluding the payment of Rent), Subtenant shall have two (2) fewer days to perform the obligation, including without limitation curing any defaults.  Any default notice or other notice of any obligations (including any billing or invoice for any Rent or any other expense or charge due under the Master Lease) from Master Landlord which is received by Subtenant (whether directly or as a result of being forwarded by Sublandlord) shall constitute such notice from Sublandlord to Subtenant under this Sublease without the need for any additional notice from Sublandlord.   
(b)    Sublandlord shall not be deemed to have made any representation made by Master Landlord in the Master Lease.  Moreover, except as otherwise provided herein to the contrary, Sublandlord shall not be obligated:
(i)    to provide any of the services or utilities that Master Landlord has agreed in the Master Lease to provide;
(ii)    to make any of the repairs or restorations that Master Landlord has agreed in the Master Lease to make; or
(iii)    to comply with any Laws or requirements of public authorities with which Master Landlord has agreed in the Master Lease to comply; and Sublandlord shall have no liability to Subtenant on account of any failure of Master Landlord to do so, or on account of any failure by Master Landlord to observe or perform any of the terms, covenants or conditions of the Master Lease required to be observed or performed by Master Landlord; provided Sublandlord agrees to use commercially 

10

reasonable efforts to enforce Master Landlord’s obligations under the Master Lease on Subtenant’s behalf.
(c)    Notwithstanding the foregoing, Sublandlord grants to Subtenant the right to receive all of the services and benefits with respect to the Subleased Premises that are to be provided by Master Landlord under the Master Lease.
(d)    If (i) Subtenant shall fail to perform any of its obligations hereunder and such failure shall continue beyond any cure period provided for herein, or (ii) Master Landlord shall give any notice of failure or default under the Master Lease arising out of any failure by Subtenant to perform any of its obligations hereunder then, in either case, Sublandlord shall have the right (but not the obligation) to perform or endeavor to perform such obligation, at Subtenant’s expense, and Subtenant shall, within ten (10) days of Sublandlord’s demands from time to time, reimburse Sublandlord for all costs and expenses incurred by Sublandlord in doing so as Rent.
(e)    Subtenant shall promptly execute, acknowledge and deliver to Sublandlord, any certificate or other document evidencing the status of the Sublease or subordination of this Sublease to the Master Lease, that Sublandlord or Master Landlord may reasonably request, in accordance with Sections 17, 19.11 and 19.16 of the Master Lease, which are incorporated herein by this reference (provided, however, the terms “Tenant” and “Building” shall be deemed to mean “Subtenant” and the “Subleased Premises”, respectively). 
(f)    Sublandlord warrants to Subtenant that (i) Sublandlord has delivered to Subtenant a complete copy of the Master Lease, (ii) the Master Lease is, as of the date of this Sublease, in full force and effect, and (iii) no event of default by Sublandlord or, to Sublandlord’s knowledge, by Master Landlord has occurred under the Master Lease nor has any event occurred and is continuing that would constitute an event of default by Sublandlord or, to Sublandlord’s knowledge, by Master Landlord under the Master Lease, but for the requirement of the giving of notice and the expiration of the period of time to cure.  Sublandlord shall fully perform all of its obligations under the Master Lease to the extent Subtenant has not expressly agreed to perform such obligations under this Sublease.  
17.    Surrender of Subleased Premises.  At the expiration or earlier termination of this Sublease, if no Surrender Restoration Waiver has been delivered to Sublandlord, then Subtenant, at its sole cost and expense, shall promptly remove from the Subleased Premises (a) any Alterations made by Subtenant, (b) Subtenant’s personal property, and (c) repair any damage to the Subleased Premises caused by such removal, and otherwise quit and surrender the Subleased Premises to Sublandlord in the condition required by the Master Lease, broom clean, and in good order, condition and repair, ordinary wear and tear and damage from casualty excepted.  If Subtenant fails to remove any Alterations or Subtenant’s personal property within five (5) days after the termination of this Sublease, Sublandlord, at Subtenant’s sole cost and expense, shall be entitled (but not obligated) to remove such Alterations or remove, store or dispose of Subtenant’s personal property.  Sublandlord shall not be responsible for the value, preservation or safekeeping of Subtenant’s personal property.  Subtenant shall not be required to remove at the expiration of the Sublease term or otherwise, alterations or improvements to the Subleased Premises made by or for the account of Sublandlord or otherwise existing as of the Start Date. 

11

18.    Holding Over.  Subtenant shall have no right to holdover in the Subleased Premises pursuant to this Sublease after the End Date.  If Subtenant does not surrender and vacate the Subleased Premises on the End Date, Subtenant shall be a tenant at sufferance, or at the sole election of Sublandlord, a month to month tenancy, and the parties agree in either case that the reasonable rental value, if at sufferance, or the Rent if a month to month tenancy, shall be Rent at the greater of (1) the monthly rate of one hundred and fifty percent (150%) of the monthly Rent set forth in Section 3 of this Sublease, or (2) the rate of any and all Rent due to Master Landlord from Sublandlord as a result of a holdover under the Master Lease (if any) occasioned by the holdover of the Subleased Premises by Subtenant.  Notwithstanding the foregoing, and in addition to all other rights and remedies on the part of Sublandlord, if Subtenant fails to surrender the Subleased Premises upon the End Date, in addition to any other liabilities to Sublandlord accruing therefrom, Subtenant shall indemnify, defend and hold Sublandlord harmless from all claims, actions, losses, damages and expenses resulting from such failure, including, without limitation, any such claims, actions, losses and damages to any third parties based on such failure to surrender.  
19.    Parking.  Subtenant shall have Subtenant’s proportionate share of such parking rights as Sublandlord may have pursuant to Section 19.20 of the Master Lease, to be used in connection with this Sublease and not in connection with Subtenant’s use of any other of Subtenant’s facilities.
20.    Limitation of Liability.  Notwithstanding anything set forth herein, in no event shall any personal liability be asserted against Sublandlord’s officers, directors, employees, agents or contractors or to the property or assets of any of them.  Under no circumstances shall Sublandlord’s officers, directors, employees, agents or contractors be liable for any injury or damage to, or interference with, Subtenant’s business, including loss of profits, loss of rents or other revenues, loss of business opportunity, loss of goodwill or loss of use, or for any form of special or consequential damage.  Notwithstanding anything set forth herein, in no event shall any personal liability be asserted against Subtenant’s officers, directors, employees, agents or contractors or to the property or assets of any of them.  Under no circumstances shall Subtenant’s officers, directors, employees, agents or contractors be liable for any injury or damage to, or interference with, Sublandlord’s business, including loss of profits, loss of rents or other revenues, loss of business opportunity, loss of goodwill or loss of use, or for any form of special or consequential damage.
21.    Miscellaneous.
(a)    Notices for Subtenant shall be sent to Subtenant as follows: Sutro Biopharma, Inc., 310 Utah Avenue, Suite 150, South San Francisco, CA 94080 and to the attention of CFO.  Notices for Sublandlord shall be sent to Sublandlord as follows: Exelixis, Inc., 210 E. Grand Avenue, South San Francisco, CA  94080, and to the attention of Executive Vice President and General Counsel (each, a “Notice Address”).  All demands, approvals, consents or notices shall be in writing and delivered by hand or sent by registered or certified mail with return receipt requested, or sent by overnight or same day courier service at the party’s respective Notice Address(es) set forth above.  Each notice shall be deemed to have been received or given on the earlier to occur of actual delivery or the date on which delivery is refused or, if Subtenant has vacated the Subleased Premises or other Notice Address without providing a new Notice Address, three (3) days after notice is deposited in the U.S. mail or with a courier service in the manner described above.  Any party may, at any time, change its Notice Address (other than to a post office box address) by giving the other parties written notice of the new address.

12

(b)    The term “Force Majeure Delay” as used in the Sublease shall mean any delay by either party in fulfilling its obligations hereunder which is attributable to any: (i) actual delay or failure to perform attributable to any strike, lockout or other labor or industrial disturbance (whether or not on the part of the employees of either party hereto), civil disturbance, future order claiming jurisdiction, act of a public enemy, war, riot, sabotage, blockade, embargo, inability to secure customary materials, supplies or labor through ordinary sources by reason of regulation or order of any government or regulatory body; or (ii) actual delay or failure to perform attributable to lightning, earthquake, fire, storm, hurricane, tornado, flood, washout, explosion, or any other similar industry-wide or Building-wide cause beyond the reasonable control of the party from whom performance is required, or any of its contractors or other representatives.  Any prevention, delay or stoppage due to any Force Majeure Delay shall excuse the performance of the party affected for a period of time equal to any such prevention, delay or stoppage (except the obligations of Subtenant to pay Rent and other charges pursuant to this Sublease).
(c)    Either party’s failure to declare a default immediately upon its occurrence or delay in taking action for a default shall not constitute a waiver of the default, nor shall it constitute an estoppel.  If either party institutes a suit against the other for violation of or to enforce any covenant, term or condition of this Sublease, the prevailing party shall be entitled to all of its costs and expenses, including, without limitation, reasonable attorneys’ fees.  
(d)    This Sublease shall be interpreted and enforced in accordance with the Laws of the state in which the Subleased Premises is located.  
(e)    Each of Subtenant and Sublandlord represents and warrants that it has not dealt with any broker in connection with this Sublease, other than Kidder Mathews, on behalf of Subtenant, and Cornish & Carey Commercial Newmark Knight Frank, on behalf of Sublandlord, and each party hereto agrees to indemnify and hold the other party harmless from any commissions due to any broker with whom such party has dealt, other than the brokers named in this paragraph.  
(f)    This Sublease constitutes the entire agreement between the parties and supersedes all prior agreements and understandings related to the Subleased Premises.  This Sublease may be modified only by a written agreement signed by Sublandlord and Subtenant.
(g)    The execution, delivery, and performance by each of Subtenant and Sublandlord of its respective obligations under this Sublease have been duly authorized and will not violate any provision of Law, any order of any court or other agency of government, or any indenture, agreement or other instrument to which it is a party or by which it is bound.
(h)    This Sublease may be executed in multiple counterparts, and by each party on separate counterparts, each of which shall be deemed to be an original but all of which shall together constitute one agreement. The parties contemplate that they may be executing counterparts of the Sublease transmitted by facsimile or email in PDF format and agree and intend that a signature by such means shall bind the party so signing with the same effect as though the signature were an original signature.
22.    Signage.  Conditioned upon the consent of Master Landlord and applicable governmental authorities, Sublandlord agrees to permit Subtenant to install a monument at a location specified by Master Landlord, and to allow Subtenant signage space on such monument, provided that Subtenant 

13

agrees to pay one hundred percent (100%) of the costs of installation of the monument and one hundred percent (100%) of the cost of installing, maintaining and removing Subtenant’s signage on such monument.   Conditioned upon the approval of Master Landlord, and Sublandlord’s approval, in its reasonable discretion, of Subtenant’s proposed signage specifications, Sublandlord shall permit Subtenant to install, at Subtenant’s expense, signage for Subtenant at the entrance to the Subleased Premises. 

[Signature Page Follows]

14

IN WITNESS WHEREOF, Sublandlord and Subtenant have executed this Sublease as of the day and year first above written.
	
				
	SUBLANDLORD:
EXELIXIS, INC.,  
a Delaware corporation
	SUBTENANT:
SUTRO  BIOPHARMA, INC.,  
a Delaware corporation

	By:
	/s/ Frank Karbe
	By:
	/s/ William J. Newell

	Name:
	Frank Karbe
	Name:
	William J. Newell

	Title:
	EVP & CFO
	Title:
	Chief Executive Officer

15

EXHIBIT A
SUBLEASED PREMISES
 

 

EXHIBIT  B
FF&E INVENTORY
	
							
	B240 Office Furniture Inventory - Sublease Space
	 
	 

	 
	 
	 
	 
	 
	 
	 

	Office Type
	Rm. #
	Photo #
	Qty
	Description
	Dimensions
	Chair Code

	Open Office
	128
	 
	1
	Book case
	71 x 12 1/2
	 

	 
	 
	 
	8
	Ped
	6x6x12
	 

	 
	 
	 
	1
	2 Drawer lateral
	30
	 

	 
	 
	 
	1
	Corner Work Surface
	40x42
	 

	 
	 
	 
	1
	Work surface
	24x72
	 

	 
	 
	 
	1
	4 Drawer lateral
	 
	 

	 
	 
	 
	5
	Work surface
	24x36
	 

	 
	 
	 
	1
	Work surface
	24x42
	 

	 
	 
	 
	1
	Work surface
	24x60
	 

	 
	 
	 
	2
	Corner Work Surface
	36x36
	 

	 
	 
	 
	6
	Office chairs
	 
	 

	 
	 
	 
	1
	Panel Teknion
	48x65
	 

	 
	 
	 
	6
	Panel Teknion
	36x65
	 

	 
	 
	 
	4
	Overhead cabinet
	36
	 

	 
	 
	 
	1
	Overhead cabinet
	48
	 

	 
	 
	 
	 
	 
	 
	 

	Office
	152 A
	115
	1
	Work surface
	30x30
	 

	 
	 
	 
	1
	Work surface
	54x22
	 

	 
	 
	 
	1
	Corner work surface
	42x60x30
	 

	 
	 
	 
	2
	Tack board
	24x48
	 

	 
	 
	 
	4
	Shelfs
	48
	 

	 
	 
	 
	2
	Task lights
	 
	 

	 
	 
	 
	2
	black guest chairs
	 
	 

	 
	 
	 
	1
	Steel case office chair
	 
	 

	 
	 
	 
	1
	2 Drawer lateral
	36
	 

	 
	 
	 
	4
	Wall track
	80
	 

	Office
	152 B
	116
	1
	Work surface
	24x48
	 

	 
	 
	 
	1
	Work surface
	24x54
	 

	 
	 
	 
	1
	Corner work surface
	36x36
	 

	 
	 
	 
	1
	Tack board
	24x48
	 

	 
	 
	 
	4
	Shelf
	48
	 

	 
	 
	 
	2
	Task light
	 
	 

	 
	 
	 
	4
	Wall track
	80
	 

	 
	 
	 
	1
	Half moon table
	36
	 

	 
	 
	 
	2
	Ped
	6x6x12
	 

	 
	 
	 
	1
	2 Drawer Lateral
	36
	 

	 
	 
	 
	1
	Book case
	34 1/2 x 12 1/2
	 

	Open Office
	153
	121,122,& 123
	8
	Panel Teknion
	30x65
	 

	 
	 
	 
	6
	Panel Teknion
	36x65
	 

	 
	 
	 
	3
	Panel Teknion
	24x65
	 

	 
	 
	 
	2
	Panel Teknion
	54x65
	 

	 
	 
	 
	 
	 
	 
	 

    

	
							
	 
	 
	 
	4
	Work surface
	24x30
	 

	 
	 
	 
	4
	Work surface
	72x30
	 

	 
	 
	 
	8
	Overhead
	36
	 

	 
	 
	 
	6
	Task lights
	 
	 

	 
	 
	 
	 
	 
	 
	 

	 
	 
	 
	4
	Peds
	6x6x12
	 

	 
	 
	 
	1
	Ped
	12x12
	 

	 
	 
	 
	2
	2 Drawer lateral
	36
	 

	 
	 
	 
	1
	Black guest chair
	 
	 

	 
	 
	 
	1
	black office chair
	 
	 

	 
	 
	 
	 
	 
	 
	 

	 
	 
	 
	2
	Ped
	6x6x12
	 

	 
	 
	 
	1
	Drawer lateral
	36
	 

	 
	 
	 
	1
	Black book case
	34 1/2x 12 1/2x 71
	 

	 
	 
	 
	2
	4 Drawer lateral
	36
	 

	 
	 
	 
	1
	Wall surface
	48x24
	 

	 
	 
	 
	2
	Black guest chairs
	 
	 

	Office
	154
	117
	1
	Work surface
	60x24
	 

	 
	 
	 
	1
	Work surface
	54x24
	 

	 
	 
	 
	1
	Work surface
	48x30
	 

	 
	 
	 
	1
	Work surface
	42x30
	 

	 
	 
	 
	1
	Corner work surface
	36x36x24
	 

	 
	 
	 
	1
	Corner work surface
	36x36x30
	 

	 
	 
	 
	1
	Tack Board
	24x48
	 

	 
	 
	 
	1
	Tack Board
	30x21
	 

	 
	 
	 
	1
	Tack Board
	36x21
	 

	 
	 
	 
	2
	Shelf
	48
	 

	 
	 
	 
	2
	Shelf
	36
	 

	 
	 
	 
	1
	Shelf
	30
	 

	 
	 
	 
	6
	Wall track
	80
	 

	 
	 
	 
	1
	4 Drawer lateral
	36
	 

	 
	 
	 
	1
	Ped
	6x6x2
	 

	 
	 
	 
	1
	Ped
	12x12
	 

	 
	 
	 
	3
	2 Drawer Lateral
	36
	 

	 
	 
	 
	1
	Black guest chair
	 
	 

	 
	 
	 
	1
	black office chair
	 
	 

	Office
	155
	119
	2
	Work surface
	42x24
	 

	 
	 
	 
	2
	Work surface
	30x24
	 

	 
	 
	 
	1
	Work surface
	36x24
	 

	 
	 
	 
	1
	Work surface
	48x24
	 

	 
	 
	 
	3
	Corner work surface
	36x36x24
	 

	 
	 
	 
	2
	Task lights
	 
	 

	 
	 
	 
	2
	Over head
	30
	 

	 
	 
	 
	2
	Over head
	36
	 

	 
	 
	 
	2
	Over head
	42
	 

	 
	 
	 
	2
	Tack board
	42x24
	 

	 
	 
	 
	2
	Tack board
	36x24
	 

	 
	 
	 
	2
	Tack board
	30x24
	 

	 
	 
	 
	2
	2 Drawer lateral
	36
	 

    

	
							
	 
	 
	 
	1
	Ped
	12x12
	 

	 
	 
	 
	9
	Wall track
	36
	 

	Office
	156
	120
	1
	Work surface
	48x24
	 

	 
	 
	 
	1
	Work surface
	60x24
	 

	 
	 
	 
	1
	Corner wall surface
	36x36x24
	 

	 
	 
	 
	3
	Tack Board
	48x24
	 

	 
	 
	 
	1
	Task light
	 
	 

	 
	 
	 
	7
	Shelf
	48
	 

	 
	 
	 
	8
	Wall track
	80
	 

	 
	 
	 
	1
	Ped
	6x6x12
	 

	 
	 
	 
	1
	2 Drawer lateral
	 
	 

	 
	 
	 
	1
	Lab Table
	30x60
	 

	Office
	157
	118
	1
	Work surface
	60x24
	 

	 
	 
	 
	1
	Work surface
	36x24
	 

	 
	 
	 
	1
	Work surface
	42x24
	 

	 
	 
	 
	2
	Corner work surface
	36x36x24
	 

	 
	 
	 
	1
	Round table
	36
	 

	 
	 
	 
	3
	Tack board
	24x48
	 

	 
	 
	 
	3
	Task light
	 
	 

	 
	 
	 
	6
	Shelfs
	48
	 

	 
	 
	 
	5
	Wall track
	80
	 

	 
	 
	 
	1
	Black book case
	34 1/2x 41 1/2x 12 1/2
	 

	 
	 
	 
	1
	Ped
	6x6x12
	 

	 
	 
	 
	2
	2 Drawer lateral
	36
	 

	 
	 
	 
	1
	Black guest chair
	 
	 

	 
	 
	 
	2
	Black office chairs
	 
	 

	Open Office
	158
	125
	12
	Panel Teknion
	30x65
	 

	 
	 
	 
	4
	Panel Teknion
	30x41
	 

	 
	 
	 
	9
	Panel Teknion
	60x65
	 

	 
	 
	 
	 
	 
	 
	 

	 
	 
	 
	3
	Work surface
	60x24
	 

	 
	 
	 
	12
	Work surface
	60x30
	 

	 
	 
	 
	 
	 
	 
	 

	 
	 
	 
	15
	Overhead
	60
	 

	 
	 
	 
	14
	Task lights
	 
	 

	 
	 
	 
	 
	 
	 
	 

	 
	 
	 
	1
	Black bookcase
	34 1/2x 12 1/2x 59
	 

	 
	 
	 
	 
	 
	 
	 

	 
	 
	 
	12
	Ped
	6x6x12
	 

	 
	 
	 
	3
	Ped
	12x12
	 

	Office
	177
	 
	2
	4 Drawer Lateral
	 
	 

	 
	 
	 
	1
	5 Drawer lateral
	 
	 

	 
	 
	 
	1
	Work surface
	48x30
	 

	 
	 
	 
	 
	 
	 
	 

    

	
				
	Bldg. 240 Vivarium Equipments
	 
	 
	 

	 
	 
	 
	 

	 
	Model #
	Serial #
	Asset #

	Utility Room
	 
	 
	 

	1 -20 freezer
	Model # F-300 BAF
	 
	 

	Hoshizaki Ice Machine
	Model # F-300 BAF
	S03749D
	10003474

	Some Mops, Brooms and Cart
	 
	 
	 

	 
	 
	 
	 

	Room 142
	 
	 
	 

	2 Metro Racks
	 
	 
	 

	Dyna-Fog Aerosol Applicator
	2730
	2108
	 

	Dyna-Fog Aerosol Applicator
	2730
	2199
	 

	Dyna-Fog Aerosol Applicator
	2730
	2099
	 

	Dyna-Fog Aerosol Applicator
	2730
	2208
	 

	Dyna-Fog Aerosol Applicator
	2730
	2212
	 

	 
	 
	 
	 

	Room 131
	 
	 
	 

	Nu Aire Biosafety Cabinet
	NU-629-600
	99523062105
	10003449

	Baker Company Biosafety Cabinet
	SG603
	78085
	 

	Allentown Caging Equipment (140 Cages)
	MD75JU140MVPSHR
	V5382-06-03
	10003464

	Allentown Caging Equipment (140 Cages)
	MD75JU140MVPSHR
	V5381-06-03
	10003443

	Allentown Caging Equipment (140 Cages)
	MD75JU140MVPSHR
	V6483-04-04
	10003439

	 
	 
	 
	 

	Room 143
	 
	 
	 

	1 Metro Rack
	 
	 
	 

	2 Stainless Steel Table (96X24)
	 
	 
	 

	 
	 
	 
	 

	Room 132
	 
	 
	 

	Nu Aire Biosafety Cabinet
	NU-629-600
	88822020404
	10003169

	Baker Company Biosafety Cabinet
	SG603
	73668
	10003186

	Allentown Caging Equipment (140 Cages)
	MD75JU140MVPSHR
	V5379-06-03
	10003446

	Allentown Caging Equipment (140 Cages)
	MD75JU140MVPSHR
	V5380-06-03
	10003475

	Allentown Caging Equipment (140 Cages)
	MD75JU140MVPSHR
	V3690-04-02
	10003457

	 
	 
	 
	 

	 
	 
	 
	 

	 
	 
	 
	 

	 
	 
	 
	 

	Room 133
	 
	 
	 

	Nu Aire Biosafety Cabinet
	NU-629-600
	88795020304
	10003474

	Baker Company Biosafety Cabinet
	SG603
	70088
	10003173

	Allentown Caging Equipment (140 Cages)
	MD75JU140MVPSHR
	V2932-11-01
	10003188

	Allentown Caging Equipment (140 Cages)
	MD75JU140MVPSHR
	V3586-04-02
	10003184

	Allentown Caging Equipment (140 Cages)
	MD75JU140MVPSHR
	V2570-06-01
	10003436

	 
	 
	 
	 

	Room 144
	 
	 
	 

	2 Stainless Steel Table (96X24)
	 
	 
	 

	2 Stainless Steel Table (60X24)
	 
	 
	 

	1 Metro Rack
	 
	 
	 

	 
	 
	 
	 

    

	
				
	Room 134
	 
	 
	 

	Nu Aire Biosafety Cabinet
	NU-629-600
	98516050605
	10003455

	Baker Company Biosafety Cabinet
	SG603
	73669
	10003194

	Allentown Caging Equipment (140 Cages)
	MD75JU140MVPSHR
	V5378-06-03
	10003174

	Allentown Caging Equipment (140 Cages)
	MD75JU140MVPSHR
	V2571-06-01
	10003202

	Allentown Caging Equipment (140 Cages)
	MD75JU140MVPSHR
	V2432-02-01
	10003460

	 
	 
	 
	 

	Room 135
	 
	 
	 

	Baker Company Biosafety Cabinet
	SG603
	77167
	10003166

	Allentown Caging Equipment (36 Cages)
	RM 10198/96U36MVPSHR
	V7674-04-05
	10002449

	Allentown Caging Equipment (36 Cages)
	RM 10198/96U36MVPSHR
	V7676-04-05
	10002898

	Allentown Caging Equipment (36 Cages)
	RM 10198/96U36MVPSHR
	V2795-08-01
	10002445

	Allentown Caging Equipment (36 Cages)
	RM 10198/96U36MVPSHR
	V7675-04-05
	10002456

	 
	 
	 
	 

	Room 137
	 
	 
	 

	5 Metro Racks
	 
	 
	 

	1 Stainless Steel Cage Cart
	 
	 
	 

	Small Animal Cages (940 complete set)
	 
	 
	 

	 
	 
	 
	 

	Room 145
	 
	 
	 

	Baker Company Biosafety Cabinet
	SG603
	73670
	10003179

	 
	 
	 
	 

	Room 140
	 
	 
	 

	Edstrom Chlorine Flush Station
	 
	 
	10003434

	Scientek Bedding Station
	SBD 1200-4
	 
	10003431

	3 Racks for the Cage Washer
	 
	 
	 

	Primus Autoclave
	KTI263660D
	15361
	10003429

	Scientek Cagewasher
	SW6300
	6312981571
	10003158

	American Sterilizer Co. (Autoclave)
	UME-3660-CA
	295858
	 

	Small Animal Cage Bottom (1673 pcs)
	 
	 
	 

	Small Animal Cage Lid (1400 pcs)
	 
	 
	 

	Small Stainless Steel Tray/Rack (1200 pcs)
	 
	 
	 

	Big Animal Cage (100 complete set)
	 
	 
	 

	Plastic Bottles for Water Feeding (1000 pcs)
	 
	 
	 

	 
	 
	 
	 

	Dirty Room (shipping Area)
	 
	 
	 

	Nu Aire Animal Bedding Disposal
	NU-607-400
	83852050903
	10003152

	Electro Steam Boiler
	LB-50
	36665
	 

	Sussman Electric Boiler
	ES100
	N6-19026-W06
	 

    

EXHIBIT C
DELIVERY AGREEMENT

		
	Re:
	Sublease dated August 5, 2013, between EXELIXIS INC., a Delaware corporation (“Sublandlord”), and SUTRO BIOPHARMA, INC., a Delaware corporation (“Subtenant”), concerning the subleased premises consisting of a portion of the first floor (the “Subleased Premises”) of the building located at 240 East Grand Avenue, South San Francisco, CA 94080 (the “Master Premises”).

Ladies and Gentlemen:
In accordance with the subject Sublease (to which reference is made for any undefined capitalized terms used herein), we wish to advise and/or confirm as follows:
The Start Date of the Sublease Term for the Subleased Premises is _________, 2013 (the “Start Date”), and the Sublease Term for the Subleased Premises is scheduled to expire on March 31, 2017, unless sooner terminated according to the terms of the Sublease (as applicable, the “End Date”).  Sublandlord delivered possession of the Subleased Premises to Subtenant on the Start Date, in the condition required under the Sublease and Subtenant accepted possession of the Subleased Premises on the Start Date but subject to the provisions of Section 2(c) of the Sublease.
That in accordance with the Sublease, Base Rent in the amount of $___________ shall commence to accrue on _____________, 2013.
The total rentable square feet of the Subleased Premises is 17,948.92 and of the Master Premises is 60,967.  Subtenant’s Share of the Subleased Premises is 100% and of the Master Premises is 29.44%.
Each party represents and warrants to the other that it is duly authorized to enter into this document and that the person signing on its behalf is duly authorized to sign on behalf of such party. 
	
				
	SUBLANDLORD:
EXELIXIS, INC.,  
a Delaware corporation
	SUBTENANT:
SUTRO  BIOPHARMA, INC.,  
a Delaware corporation

	By:
	 
	By:
	 

	Name:
	 
	Name:
	 

	Title:
	 
	Title:
	 

    

EXHIBIT D
SUBTENANT’S PROPOSED ALTERATIONSEXEL 2013.09.30 Exhibit 10.3

Exhibit 10.3

CONSENT TO SUBLEASE AGREEMENT
THIS CONSENT TO SUBLEASE AGREEMENT (this "Agreement") is made as of August 5, 2013, by and among BRITANNIA POINTE GRAND LIMITED PARTNERSHIP, a Delaware limited partnership ("Landlord"), EXELIXIS INC., a Delaware corporation ("Tenant"), and SUTRO BIOPHARMA, INC., a Delaware corporation ("Subtenant").
R E C I T A L S
A.Reference is hereby made to that certain Lease dated as of May 24, 2001, between Landlord and Tenant (the "Original Lease"), as amended by that certain First Amendment to Lease dated as of February 29, 2003 ("First Amendment"), and that certain Second Amendment to Lease dated as of July 20, 2004 ("Second Amendment," together with the Original Lease and the First Amendment, collectively, the "Lease"), for certain premises (collectively, the "Premises") located at 240 East Grand Avenue ("Building"), in South San Francisco, California. 
B.Pursuant to the terms of Article 13 of the Original Lease, Tenant has requested Landlord's consent to that certain Sublease dated on or about the date hereof, between Tenant and Subtenant (the "Sublease"), with respect to a subletting by Subtenant of a portion of the Premises consisting of approximately 17,948.92 rentable square feet of space on the first floor of the Building, as more particularly described in the Sublease (the "Sublet Premises").  A copy of the Sublease is attached hereto as Exhibit A.  Landlord is willing to consent to the Sublease in the terms and conditions contained herein.
C.All defined terms not otherwise expressly defined herein shall have the respective meanings given in the Lease.
A G R E E M E N T
1.Landlord's Consent.  Landlord hereby consents to the Sublease; provided, however, notwithstanding anything contained in the Sublease to the contrary, such consent is granted by Landlord only upon the terms and conditions set forth in this Agreement.  The Sublease is subject and subordinate to the Lease.  Landlord shall not be bound by any of the terms, covenant, conditions, provisions or agreements of the Sublease.  Subtenant acknowledges for the benefit of Landlord that Subtenant accepts the Sublet Premises in their presently existing, "as-is" condition and that Landlord has made no representation or warranty to Subtenant as to the compliance of the Sublet Premises with any law, statute, ordinance, rule or regulation.  Tenant and Subtenant hereby represent and warrant to Landlord that the copy of the Sublease attached hereto is a full, complete and accurate copy of the Sublease, and that there are no other documents or instruments relating to the use of the Sublet Premises by Subtenant other than the Sublease.
2.Reimbursement of Landlord.  Within five (5) days after invoice, Tenant shall reimburse Landlord all of Landlord's reasonable costs and expenses incurred in connection with its review and consent of the Sublease and preparation and negotiation of this Agreement.

3.Non-Release of Tenant; Further Transfers.  Neither the Sublease nor this consent thereto shall release or discharge Tenant from any liability, whether past, present or future, under the Lease or alter the primary liability of the Tenant to pay the rent and perform and comply with all of the obligations of Tenant to be performed under the Lease (including the payment of all bills rendered by Landlord for charges incurred by the Subtenant for services and materials supplied to the Sublet Premises).  Neither the Sublease nor this consent thereto shall be construed as a waiver of Landlord's right to consent to any further subletting either by Tenant or by the Subtenant, or to any assignment by Tenant of the Lease or assignment by the Subtenant of the Sublease, or as a consent to any portion of the Sublet Premises being used or occupied by any other party; provided that Landlord hereby confirms that the provisions of Section 13.1 of the Lease relating to "Permitted Transfers" shall continue to apply to Tenant and shall also apply to Subtenant during the term of the Sublease.  Landlord may consent to subsequent sublettings and assignments of the Lease or any amendments or modifications thereto without notifying Subtenant nor anyone else liable under the Sublease and without obtaining their consent.  No such action by Landlord shall relieve such persons from any liability to Landlord or otherwise with regard to the Sublet Premises. 
4.Relationship With Landlord.  Tenant hereby assigns and transfers to Landlord the Tenant's interest in the Sublease and all rentals and income arising therefrom, subject to the terms of this Section 4.  Landlord, by consenting to the Sublease agrees that until a default shall occur in the performance of Tenant's obligations under the Lease, Tenant may receive, collect and enjoy the rents accruing under the Sublease.  In the event Tenant shall default in the performance of its obligations to Landlord under the Lease (whether or not Landlord terminates the Lease), Landlord may at its option by notice to Tenant, either (i) terminate the Sublease, (ii) elect to receive and collect, directly from Subtenant, all rent and any other sums owing and to be owed under the Sublease, as further set forth in Section 4.1, below, or (iii) elect to succeed to Tenant's interest in the Sublease and cause Subtenant to attorn to Landlord, as further set forth in Section 4.2, below.
4.1    Landlord's Election to Receive Rents.  Landlord shall not, by reason of the Sublease, nor by reason of the collection of rents or any other sums from the Subtenant pursuant to Section 4, item (ii), above, be deemed liable to Subtenant for any failure of Tenant to perform and comply with any obligation of Tenant, and Tenant hereby irrevocably authorizes and directs Subtenant, upon receipt of any written notice from Landlord stating that a default exists in the performance of Tenant's obligations under the Lease, to pay to Landlord the rents and any other sums due and to become due under the Sublease.  Tenant agrees that Subtenant shall have the right to rely upon any such statement and request from Landlord, and that Subtenant shall pay any such rents and any other sums to Landlord without any obligation or right to inquire as to whether such default exists and notwithstanding any notice from or claim from Tenant to the contrary.  Tenant shall not have any right or claim against Subtenant for any such rents or any other sums so paid by Subtenant to Landlord.  Landlord shall credit Tenant with any rent received by Landlord under such assignment but the acceptance of any payment on account of rent from the Subtenant as the result of any such default shall in no manner whatsoever be deemed an attornment by the Landlord to Subtenant or by Subtenant to Landlord, be deemed a waiver by Landlord of any provision of the Lease, or serve to release Tenant from any liability under the terms, covenants, conditions, provisions or agreements under the Lease.  Notwithstanding the foregoing, any other payment of rent from the Subtenant directly to Landlord, regardless of the circumstances or reasons therefor, shall in no 

manner whatsoever be deemed an attornment by the Subtenant to Landlord in the absence of a specific written agreement signed by Landlord to such an effect.
4.2    Landlord's Election of Tenant's Attornment.  In the event Landlord elects, at its option, to cause Subtenant to attorn to Landlord pursuant to Section 4, item (iii), above, Landlord shall undertake the obligations of Tenant under the Sublease from the time of the exercise of the option, but Landlord shall not (i) be liable for any prepayment of more than one month's rent or any security deposit paid by Subtenant, (ii) be liable for any previous act or omission of Tenant under the Lease or for any other defaults of Tenant under the Sublease, (iii) be subject to any defenses or offsets previously accrued which Subtenant may have against Tenant, or (iv) be bound by any changes or modifications made to the Sublease without the written consent of Landlord.
4.3    Operational Matters.  Notwithstanding Landlord's consent to the Sublease as set forth herein, Landlord shall not be obligated to accept from Subtenant any payments of minimum rental or Tenant's Operating Cost Share of Operating Expenses due under the Lease, all of which shall be paid by Tenant as set forth in the Lease.  Requests for Building services as provided under the Lease, including without limitation, parking privileges, repair and maintenance services, or any other services or obligations to be performed by Landlord under the terms of the Lease, shall be made by Tenant, and Landlord shall have no obligation to respond to any direct request of Subtenant regarding the same.
4.4    No Waiver.  The acceptance of any amounts by Landlord from Subtenant or any other party shall not be deemed a waiver by Landlord of the obligation of Tenant to pay any or all amount due and owing under the Lease.  The performance of any obligation required by Tenant under the Lease by Subtenant or any other party shall not be deemed a waiver by Landlord of the duty of Tenant to perform such obligation or any other obligation as to which performance is or becomes due under the Lease.
4.5    Acts of Subtenant.  Any act or omission by Subtenant, or by any other person or entity for whose acts or omissions Tenant is liable or responsible under the terms of the Lease, that violates any of the provisions of the Lease, shall be deemed a violation of the Lease by Tenant, subject to any applicable notice and cure provisions contained in the Lease.  
4.6    Indemnification.  Subtenant hereby assumes all risk of damage to property or injury to persons in, upon or about the Premises from any cause whatsoever (including, but not limited to, any personal injuries resulting from a slip and fall in, upon or about the Sublet Premises) and agrees that Landlord, its partners, subpartners and their respective officers, agents, servants, employees, and independent contractors shall not be liable for, and are hereby released from any responsibility for, any damage either to person or property or resulting from the loss of use thereof, which damage is sustained by Subtenant or by other persons claiming through Subtenant.  Tenant shall indemnify, defend, protect, and hold Landlord harmless from any and all loss, cost, damage, expense and liability (including without limitation court costs and reasonable attorneys' fees) incurred in connection with or arising from any cause in, on or about the Premises (including, but not limited to, a slip and fall), any acts, omissions or negligence of Subtenant or of any person claiming by, through or under Subtenant, or of the contractors, agents, servants, employees, invitees, guests or licensees of Subtenant or any such person, in, on or about the Building, provided that the 

terms of the foregoing indemnity shall not apply to the gross negligence or willful misconduct of Landlord.  The provisions of this Section 4.6 shall survive the expiration or sooner termination of the Sublease with respect to any claims or liability arising in connection with any event occurring prior to such expiration or termination.
4.7    Insurance.  Prior to Subtenant's occupancy of the Sublet Premises, Subtenant shall provide Landlord with certificates of all of the insurance required to be carried by Subtenant by the terms of the Sublease, which shall show Landlord as being an additional insured thereunder; provided, however, that, notwithstanding anything to the contrary set forth in Section 12 of the Sublease, Subtenant shall be required to carry Products/Completed Operations insurance pursuant to Section 12.1(a) of the Original Lease if and when Subtenant produces marketed or clinical products.  The waiver of subrogation contained in Section 12.4 of the Original Lease shall apply as between Landlord and Subtenant. 
4.8    No Consent to Alterations or Particular Use.  Notwithstanding anything contained in the Sublease to the contrary, Landlord's consent to the Sublease as contained in this Agreement shall not be deemed to be a consent to (i) any alteration or work of improvement that Tenant or Subtenant may desire or intend in the Sublet Premises, except as expressly provided in Section 4.8.1, below, (ii) any use of hazardous, radioactive or toxic materials in or about the Sublet Premises, or (iii) any signage proposed to be installed for the benefit of Subtenant, except as expressly provided in Section 4.8.2, below.
4.8.1    Proposed Alterations.  Landlord hereby approves of the proposed Subtenant alterations described in Exhibit D to the Sublease ("Preliminary Plans"); provided, however, that the parties hereto acknowledge that such Preliminary Plans do not consist of final, detailed construction drawings and accordingly, Landlord hereby reserves its right to review and approve, in accordance with Section 9 of the Lease, the final construction drawings for such alterations ("Final Construction Drawings"); provided further that Landlord shall only have the right to disapprove such Final Working Drawings to the extent the same are not a logical extension of, or are otherwise materially inconsistent with, the Preliminary Plans.  Based upon the Preliminary Plans, Landlord does not anticipate requiring the removal of any of the alterations described therein at the end of the term of the Sublease.
4.8.2    Proposed Signage.  Landlord hereby agrees that Subtenant shall be permitted to install its name and/or logo (provided that in no event shall the same include an "Objectionable Name," as defined below) (i) on the existing Building monument sign, in a location designated by Landlord, in Landlord's sole and absolute discretion, and (ii) at the entrance to the Sublet Premises, specifically located on the left-hand wall once you pass through the vestibule of the Building.  The terms of Section 9.5 of the Lease (including Landlord's right to approve the size, design and composition of such signage) and Section 22 of the Sublease (including Subtenant's responsibility for the entire cost of installing, maintaining and removing such signage) shall be applicable to such foregoing signage rights.  In no event shall such above-referenced signage include, identify or otherwise refer to a name and/or logo which relates to an entity which is of a character or reputation, or is associated with a political faction or orientation, which is inconsistent with the quality of the Building, or which would otherwise reasonably offend a landlord of a comparable 

building (an "Objectionable Name").  The parties hereby agree that the name "Sutro BioPharma, Inc.," or any reasonable derivation thereof, shall not be deemed an Objectionable Name.  Upon the expiration or earlier termination of the Sublease, Tenant shall, or shall cause Subtenant to, remove the above-referenced signage and shall cause the area in which such signage was located to be restored to the condition existing immediately prior to the installation of such signage.  If such signage is not timely removed or areas in which such signage was located timely restored, as provided in the immediately preceding sentence, then Landlord may perform such work, and all costs incurred by Landlord in so performing shall be reimbursed to Landlord within thirty (30) days after Tenant's and/or Subtenant's receipt of an invoice therefor.  The terms of this Section 4.8.2 shall survive the expiration or earlier termination of the Sublease and the Lease.
5.General Provisions.
5.1    Consideration for Sublease.  Tenant and Subtenant represent and warrant that there are no additional payments of rent or any other consideration of any type payable by Subtenant to Tenant with regard to the Sublet Premises other than as disclosed in the Sublease.
5.2    Brokerage Commission.  Tenant and Subtenant covenant and agree that under no circumstances shall Landlord be liable for any brokerage commission or other charge or expense in connection with the Sublease and Tenant and Subtenant agree to protect, defend indemnify and hold Landlord harmless from and against the same and from any cost or expense (including, but not limited to, attorney's fees) incurred by Landlord in resisting any claim for any such brokerage commission.
5.3    Controlling Law.  The terms and provisions of this Agreement shall be construed in accordance with and governed by the laws of the State of California.
5.4    Binding Effect.  This Agreement shall be binding upon and inure to the benefit of the parties hereto, their heirs, successors and permitted assigns.  As used herein, the singular number includes the plural and the masculine gender includes the feminine and neuter.
5.5    Captions.  The paragraph captions utilized herein are in no way intended to interpret or limit the terms and conditions hereof; rather, they are intended for purposes of convenience only.
5.6    Partial Invalidity.  If any term, provision or condition contained in this Agreement shall, to any extent, be invalid or unenforceable, the remainder of this Agreement, or the application of such term, provision or condition to persons or circumstances other than those with respect to which it is invalid or unenforceable, shall not be affected thereby, and each and every other term, provision and condition of this Agreement shall be valid and enforceable to the fullest extent permitted by law.
5.7    Attorneys' Fees.  If either party commences litigation against the other for the specific performance of this Agreement, for damages for the breach hereof or otherwise for enforcement of any remedy hereunder, the parties hereto agree to and hereby do waive any right to a trial by jury and, in the event of any such commencement of litigation, the prevailing party  shall 

be entitled to recover from the other party such costs and reasonable attorneys' fees as may have been incurred.

IN WITNESS WHEREOF, the parties have executed this Consent to Sublease Agreement as of the day and year first above written.
"Landlord"
BRITANNIA POINTE GRAND LIMITED PARTNERSHIP
                        
By:  HCP-Pointe Grand, Incorporated
        its general partner

By: /s/ Jonathan M. Bergschneider    

Its: Executive Vice President    

"Tenant"
EXELIXIS, INC., 
a Delaware corporation
By:  /s/ Frank Karbe    
Its: EVP & CFO    

"Subtenant"

SUTRO BIOPHARMA, INC., 
a Delaware corporation
By:  /s/ William J. Newell    
Its: Chief Executive Officer    

EXHIBIT A
THE SUBLEASE

See Exhibit 10.2 to Form 10-Q filed October 30, 2013 

	
		
	 
	EXHIBIT A
-1-

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