Document:

Exhibit

EXHIBIT 10.3

SECOND AMENDMENT

to

FIFTH AMENDED AND RESTATED CREDIT AGREEMENT

among
LAREDO PETROLEUM, INC.,
as Borrower,
WELLS FARGO BANK, N.A.,
as Administrative Agent,
the Guarantors Signatory Hereto,
and
the Banks Signatory Hereto

SECOND AMENDMENT TO
FIFTH AMENDED AND RESTATED CREDIT AGREEMENT
This Second Amendment to Fifth Amended and Restated Credit Agreement (this “Second Amendment”), dated as of February 14, 2018 (the “Second Amendment Effective Date”), is among Laredo Petroleum, Inc., a corporation formed under the laws of the State of Delaware (“Borrower”); each of the undersigned guarantors (the “Guarantors”, and together with Borrower, the “Credit Parties”); each of the Banks party hereto; and Wells Fargo Bank, N.A., as administrative agent for the Banks (in such capacity, together with its successors, “Administrative Agent”).
Recitals
A.    Borrower, Administrative Agent and the Banks are parties to that certain Fifth Amended and Restated Credit Agreement dated as of May 2, 2017 (as amended prior to the date hereof, the “Credit Agreement”), pursuant to which the Banks have, subject to the terms and conditions set forth therein, made certain credit available to and on behalf of Borrower.
B.    The parties hereto desire to enter into this Second Amendment to amend certain terms of the Credit Agreement as set forth herein and to be effective as of the Second Amendment Effective Date.
C.    NOW, THEREFORE, in consideration of the premises and the mutual covenants herein contained, for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto agree as follows:
Section 1.Defined Terms.  Each capitalized term which is defined in the Credit Agreement, but which is not defined in this Second Amendment, shall have the meaning ascribed to such term in the Credit Agreement (as amended hereby).  Unless otherwise indicated, all section references in this Second Amendment refer to the Credit Agreement.
Section 2.Amendments to Credit Agreement.  In reliance on the representations, warranties, covenants and agreements contained in this Second Amendment, and subject to the satisfaction of the conditions precedent set forth in Section 3 hereof, the Credit Agreement shall be amended effective as of the Second Amendment Effective Date in the manner provided in this Section 2.
2.1.Amendment to Section 9.2 of the Credit Agreement.  Section 9.2 of the Credit Agreement is hereby amended and restated in its entirety to read in full as follows:
Section 9.2    Restricted Payments.  Borrower will not, nor will Borrower permit any other Credit Party to, declare, pay or make, or incur any liability to declare, pay or make, any Restricted Payment, except that Borrower may:
(a) declare and pay dividends with respect to its Equity payable solely in additional shares of its Equity (or in de minimis amounts of cash payable in lieu of partial shares of its Equity); and

(b) on or prior to February 14, 2020, purchase, repurchase or otherwise acquire for value (as applicable for purposes of this Section 9.2(b), “repurchase”) common Equity issued by it for aggregate consideration paid under all such repurchases not to exceed $200,000,000; provided that (i) no Default or Event of Default exists or results therefrom, (ii) immediately after giving effect to any such repurchase, undrawn Commitments are greater than or equal to twenty percent (20%) of the Borrowing Base in effect at such time, and (iii) immediately after giving effect to any such repurchase, (A) Borrower will be in pro forma compliance with all financial covenants set forth in Section 10.1, and (B) the Consolidated Total Leverage Ratio on a pro forma basis is not greater than 2.75 to 1.00, in the case of both (A) and (B), Net Debt or Total Debt, as applicable, shall be determined as of the date of calculation after giving effect to such repurchase occurring on such date and Consolidated EBITDAX shall be determined as if such repurchase occurred on the last day of the Fiscal Quarter then most recently ended for which financial statements have been received pursuant to Section 8.1; and provided, further that (x) any such Equity so repurchased shall be contemporaneously cancelled by the Borrower and (y) for clarity, (1) such cancellation is not restricted by Section 9.5 and does not trigger any requirement that the Borrower or any other Credit Party take any further action to be in compliance therewith, and (2) the requirement set forth in clause (iii)(B) of this Section 9.2(b) is applicable only at the time of repurchase of any such Equity after giving effect to any related borrowing or Debt issuance and does not require that the Consolidated Leverage Ratio be maintained at not greater than 2.75 to 1.00 subsequent to giving effect to such repurchase and any related borrowing or Debt issuance. 
Section 3.Conditions Precedent.  The effectiveness of the amendments contained in Section 2 hereof is subject to the following:
3.1.Administrative Agent shall have received counterparts of this Second Amendment from the Credit Parties and the Required Banks.
3.2.Administrative Agent shall have received such other documents as Administrative Agent or special counsel to Administrative Agent may reasonably request.
Administrative Agent shall notify Borrower and the Banks of the effectiveness of this Second Amendment, and such notice shall be conclusive and binding.
Section 4.Representations and Warranties; Etc.  Each Credit Party hereby affirms: (a) that as of the date hereof, all of the representations and warranties contained in each Loan Paper to which such Credit Party is a party are true and correct in all material respects as though made on and as of the date hereof except (i) to the extent any such representation and warranty is expressly made as of a specific earlier date, in which case, such representation and warranty was true as of such date and (ii) to the extent that any such representation and warranty is expressly qualified by materiality or by reference to Material Adverse Effect, such representation and warranty (as so qualified) is true and correct in all respects, (b) no Defaults exist under the Loan 

Page 2

Papers or will, after giving effect to this Second Amendment, exist under the Loan Papers and (c) no Material Adverse Change has occurred.  
Section 5.Miscellaneous.
5.1.Confirmation and Effect.  The provisions of the Credit Agreement (as amended by this Second Amendment) shall remain in full force and effect in accordance with its terms following the effectiveness of this Second Amendment.  Each reference in the Credit Agreement to “this Agreement”, “hereunder”, “hereof’, “herein”, or words of like import shall mean and be a reference to the Credit Agreement as amended hereby, and each reference to the Credit Agreement in any other document, instrument or agreement executed and/or delivered in connection with the Credit Agreement shall mean and be a reference to the Credit Agreement as amended hereby.
5.2.Ratification and Affirmation of Credit Parties.  Each of the Credit Parties hereby expressly (a) acknowledges the terms of this Second Amendment, (b) ratifies and affirms its obligations under the Facility Guaranty and the other Loan Papers to which it is a party, (c) acknowledges, renews and extends its continued liability under the Facility Guaranty and the other Loan Papers to which it is a party (in each case, as amended hereby), (d) agrees that its guarantee under the Facility Guaranty and the other Loan Papers (in each case, as amended hereby) to which it is a party remains in full force and effect with respect to the Obligations, as amended hereby, (e) represents and warrants that (i) the execution, delivery and performance of this Second Amendment has been duly authorized by all necessary corporate or company action of the Credit Parties, (ii) this Second Amendment constitutes a valid and binding agreement of the Credit Parties, and (iii) this Second Amendment is enforceable against each Credit Party in accordance with its terms except as (A) the enforceability thereof may be limited by bankruptcy, insolvency or similar Laws affecting creditors’ rights generally, and (B) the availability of equitable remedies may be limited by equitable principles of general applicability, and (f) acknowledges and confirms that the amendments contemplated hereby shall not limit or impair any Liens securing the Obligations, each of which are hereby ratified, affirmed and extended to secure the Obligations after giving effect to this Second Amendment.
5.3.Counterparts.  This Second Amendment may be executed by one or more of the parties hereto in any number of separate counterparts, and all of such counterparts taken together shall be deemed to constitute one and the same instrument. Delivery of this Second Amendment by facsimile or electronic (e.g. pdf) transmission shall be effective as delivery of a manually executed original counterpart hereof.
5.4.No Oral Agreement.  This written Second Amendment, the Credit Agreement and the other Loan Papers executed in connection herewith and therewith represent the final agreement between the parties and may not be contradicted by evidence of prior, contemporaneous, or unwritten oral agreements of the parties.  There are no subsequent oral agreements between the parties.
5.5.Governing Law.  This Second Amendment (including, but not limited to, the validity and enforceability hereof) shall be governed by, and construed in accordance with, the laws of the State of New York.

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5.6.Payment of Expenses.  Borrower agrees to pay or reimburse Administrative Agent for all of its out-of-pocket costs and expenses incurred in connection with this Second Amendment, any other documents prepared in connection herewith and the transactions contemplated hereby, including, without limitation, the reasonable fees and disbursements of counsel to Administrative Agent.
5.7.Severability.  Any provision of this Second Amendment which is prohibited or unenforceable in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent of such prohibition or unenforceability without invalidating the remaining provisions hereof, and any such prohibition or unenforceability in any jurisdiction shall not invalidate or render unenforceable such provision in any other jurisdiction.
5.8.Successors and Assigns.  This Second Amendment shall be binding upon and inure to the benefit of the parties hereto and their respective successors and assigns.
5.9.Loan Paper.  This Second Amendment shall constitute a “Loan Paper” for all purposes under the other Loan Papers.
5.10.Waiver of Jury Trial.  Section 14.13 of the Credit Agreement is hereby incorporated by reference, mutatis mutandis.
[signature pages follow]

Page 4

IN WITNESS WHEREOF, the parties hereto have caused this Second Amendment to be duly executed effective as of the date first written above.
BORROWER:                LAREDO PETROLEUM, INC.

By:    /s/ Richard C. Buterbaugh    
Name:    Richard C. Buterbaugh
Title:    Executive V.P. & Chief Financial Officer

GUARANTORS:                LAREDO MIDSTREAM SERVICES, LLC

By:    /s/ Richard C. Buterbaugh    
Name:    Richard C. Buterbaugh
Title:    Executive V.P. & Chief Financial Officer

GARDEN CITY MINERALS, LLC

By:    /s/ Richard C. Buterbaugh    
Name:    Richard C. Buterbaugh
Title:    Executive V.P. & Chief Financial Officer

Signature Page to Second Amendment to
Fifth Amended and Restated Credit Agreement

WELLS FARGO BANK, N.A.,
as Administrative Agent and as a Bank

By:    /s/ Muhammad A. Dhamani     
Name:    Muhammad A. Dhamani
Title:    Director

Signature Page to Second Amendment to
Fifth Amended and Restated Credit Agreement

BANK OF AMERICA, N.A., as a Bank

By:    /s/ Michael Clayborne        
Name:    Michael Clayborne
Title:    Director

    

Signature Page to Second Amendment to
Fifth Amended and Restated Credit Agreement

ABN AMRO Capital USA LLC, as a Bank

By:    /s/ Darrell Holley    
Name:    Darrell Holley
Title:    Managing Director   

By:    /s/ Elizabeth Johnson         
Name:    Elizabeth Johnson 
Title:    Director   

Signature Page to Second Amendment to
Fifth Amended and Restated Credit Agreement

BMO HARRIS FINANCING, INC., as a Bank

By:    /s/ Gumaro Tijerina        
Name:    Gumaro Tijerina
Title:    Managing Director

Signature Page to Second Amendment to
Fifth Amended and Restated Credit Agreement

SOCIETE GENERALE, as a Bank

By:    /s/ Max Sonnonstine        
Name:    Max Sonnonstine
Title:    Director

Signature Page to Second Amendment to
Fifth Amended and Restated Credit Agreement

CAPITAL ONE, NATIONAL ASSOCIATION, as a Bank

By:    /s/ Michael Higgins        
Name:    Michael Higgins   
Title:    Sr. Director    

Signature Page to Second Amendment to
Fifth Amended and Restated Credit Agreement

COMPASS BANK, as a Bank

By:    /s/ Kari McDaniel        
Name:    Kari McDaniel
Title:    Vice President

Signature Page to Second Amendment to
Fifth Amended and Restated Credit Agreement

COMERICA BANK, as a Bank

By:    /s/ Jeffrey M. LaBauve        
Name:    Jeffrey M. LaBauve 
Title:    Vice President   

Signature Page to Second Amendment to
Fifth Amended and Restated Credit Agreement

BOKF, NA dba BANK OF OKLAHOMA,
as a Bank 

By:    /s/ Tyler Thalken        
Name:    Tyler Thalken
Title:    Officer

Signature Page to Second Amendment to
Fifth Amended and Restated Credit Agreement

BRANCH BANKING AND TRUST COMPANY, as a Bank

By:    /s/ Parul June        
Name:    Parul June    
Title:    Senior Vice President   

Signature Page to Second Amendment to
Fifth Amended and Restated Credit Agreement

THE BANK OF NOVA SCOTIA, HOUSTON BRANCH as a Bank

By:    /s/ Alan Dawson        
Name:    Alan Dawson 
Title:    Director   

Signature Page to Second Amendment to
Fifth Amended and Restated Credit Agreement

BARCLAYS BANK PLC, as a Bank

By:    /s/ Sydney G. Dennis        
Name:    Sydney G. Dennis  
Title:    Director   

Signature Page to Second Amendment to
Fifth Amended and Restated Credit Agreement

CITIBANK, N.A., as a Bank

By:    /s/ M. Jarrod Bourgeois         
Name: M. Jarrod Bourgeois
Title:   Senior Vice President

Signature Page to Second Amendment to
Fifth Amended and Restated Credit Agreement

CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as a Bank

By:    /s/ Nupur Kumar        
Name:    Nupur Kumar 
Title:    Authorized Signatory   

By:    /s/ Christopher Zybrick        
Name:    Christopher Zybrick 
Title:     Authorized Signatory   

Signature Page to Second Amendment to
Fifth Amended and Restated Credit Agreement

ING CAPITAL LLC, as a Bank

By:    /s/ Scott Lamoreaux    
Name:    Scott Lamoreaux  
Title:   Director

By:    /s/ Michael Price        
Name:    Michael Price  
Title:     Managing Director

Signature Page to Second Amendment to
Fifth Amended and Restated Credit Agreement

GOLDMAN SACHS BANK USA, as a Bank

By:    /s/ Chris Lam    
Name:    Chris Lam 
Title:     Authorized Signatory

Signature Page to Second Amendment to
Fifth Amended and Restated Credit AgreementEX-10.12

 Exhibit 10.12 

 
 [*] = Certain confidential information contained in this document, marked
by brackets, has been omitted and filed separately with the Securities and Exchange Commission pursuant to Rule 24b-2 of the Securities Exchange Act of 1934, as amended. 

 
 FOURTH AMENDMENT TO OFFICE LEASE 

 
 This Fourth Amendment to Office Lease (this “Fourth
Amendment”) is entered into as of October 24, 2017 by and between SNH MEDICAL OFFICE PROPERTIES TRUST, a Maryland real estate investment trust (“Landlord”), and SEATTLE GENETICS, INC., a Delaware corporation
(“Tenant”). 
  

WHEREAS, WCM 132-302, LLC (“Original Landlord”) and Tenant
entered into that certain Office Lease dated December 1, 2000 (the “Original Lease”) for certain premises (the “Premises”) located at 21823 30th Drive SE, Bothell, Washington; and 

 
 WHEREAS, B&N
141-302, LLC succeeded to the interest of Original Landlord under the Original Lease and with Tenant entered into that certain First Amendment to Lease dated May 28, 2003, that certain Second Amendment to
Lease effective as of July 1, 2008 and that certain Third Amendment to Lease dated May 9, 2011 (the Original Lease, as so amended, being hereinafter referred to as the “Lease”); and 

 
 WHEREAS, Landlord succeeded to the interest of B&N 141-302, LLC under the Lease; and 
  
 WHEREAS, the parties desire to amend the Lease to extend the term thereof and in certain other respects, subject to and upon the terms and conditions hereinafter provided. 

 
 NOW, THEREFORE, in consideration of the foregoing and for
other consideration, the receipt and sufficiency of which are hereby acknowledged, Landlord and Tenant agree that the Lease is hereby amended as follows: 
  

1.    Capitalized terms used and not otherwise defined herein shall have the meanings ascribed to such terms in the
Lease. 
  
 2.    The Term of the
Lease is hereby extended for a period of six (6) years and shall expire on June 30, 2024. 
  
 3.    For the portion of the Term of the Lease commencing on July 1, 2018, Tenant shall pay Base Rent in accordance with the schedule below: 

 

					
	 Dates
	  	Base Rent per annum	 	Monthly Installments
	 7/1/18 – 6/30/19
	  	[*]	 	[*]
	 7/1/19 – 6/30/20
	  	[*]	 	[*]
	 7/1/20 – 6/30/21
	  	[*]	 	[*]
	 7/1/21 – 6/30/22
	  	[*]	 	[*]
	 7/1/22 – 6/30/23
	  	[*]	 	[*]
	 7/1/23 – 6/30/24
	  	[*]	 	[*]

  

4.    Tenant shall continue to have the option to extend the Term of the Lease as set forth in Section 6 of the
Second Amendment to Lease; provided, however, that the first paragraph of said Section 6 shall be amended to provide that Tenant will have [*] option to extend the Term for a period of [*]. 

  
 1 

 5.    Reference is hereby made to that certain
lease dated May 9, 2011, as amended (as so amended, the “21717 Lease”), between Landlord and Tenant for premises located at 21717 30th Drive SE, Bothell, Washington (the “21717 Premises”). Tenant acknowledges that it is in possession of
the Premises and the 21717 Premises as of the date hereof and Landlord shall not be required to make any alterations or improvements to the Premises and/or the 21717 Premises in connection with the execution of this Fourth Amendment or the execution
of the First Amendment to Lease for the 21717 Premises. Landlord shall provide Tenant with an improvement allowance (“Landlord’s Contribution”) toward the cost of any ongoing and/or future alterations, additions and
improvements to the Premises and/or the 21717 Premises performed by or on behalf of Tenant in compliance with the Lease and/or the 21717 Lease, as the case may be (collectively, “Tenant’s Work”), in an amount equal to the
lesser of (i) $[*], or (ii) the actual third-party cost of Tenant’s Work, in each case less a supervision fee to be retained by Landlord equal to [*] of Landlord’s Contribution, the intent being that Landlord’s Contribution shall
represent the entire amount made available by Landlord to Tenant to be used for alterations, additions and improvements at the Premises and/or the 21717 Premises and there shall be no additional allowance provided for under the 21717 Lease;
provided, however, if either the Lease or the 21717 Lease shall be terminated (but not both leases) as a result of (a) a default existing beyond any notice and cure periods in the Lease or the 21717 Lease, as applicable, of
Tenant, or (b) fire or casualty or condemnation, in any case, in accordance with the terms and provisions of this Lease and/or the 21717 Lease, as applicable, and any Landlord’s Contribution remains undisbursed, Tenant may not requisition
any further Landlord’s Contribution to the extent the costs for which any requisition (aggregating any requisition made before or after such termination) shall exceed the product of the costs attributable to the premises demised by the lease
not so terminated multiplied by the Cap, where the “Cap” is $[*] per rentable square foot of the Premises and $[*] per rentable square foot of the 21717 Premises (as an example, if the Lease is terminated due to the occurrence of the
events in (a) or (b) above, then Tenant shall not be entitled to the use any of Landlord’s Contribution in excess of $[*] ($[*] per rentable square foot of the 21717 Premises)). For purposes of this Section 5, the “cost” of
Tenant’s Work shall mean third-party costs paid by Tenant to design and construct improvements to the Premises and/or the 21717 Premises after the date of this Fourth Amendment. 
  
 Tenant’s Work shall be performed in accordance with the applicable requirements of the Lease and the 21717
Lease including, without limitation, Section 10 of the Lease and Section 8 of the 21717 Lease, as the case may be; in a good and workmanlike manner; by contractors approved by Landlord; in compliance with all applicable laws, codes,
regulations, permits and approvals; and in accordance with any reasonable directions that may be given, from time to time, by Landlord’s building manager. 
  

Tenant may requisition Landlord for payment of Landlord’s Contribution in installments, but not more often than monthly, provided
that Landlord may withhold from each such installment of Landlord’s Contribution paid prior to the Final Payment (hereinafter defined), [*] of the amount otherwise due Tenant. Each such installment of Landlord’s Contribution paid prior to
the Final Payment is hereinafter referred to as a “Progress Payment”. Each requisition for a Progress Payment shall include the following documentation: (1) a cost breakdown for each trade or subcontractor performing
Tenant’s Work on AIA Document G702/G703 (or reasonable equivalent); (2) a copy of each executed Application for Payment and Architect’s Certificate for Payment on AIA Documents G702/G703 (or reasonable equivalents) covering all of
Tenant’s Work for which the disbursement is being made; (3) executed lien waivers (in forms required for release of mechanics’ liens in the State of Washington, and which may be conditioned on payment of the amount requested by the
applicable lien waiver) from the general contractor, subcontractors and materials suppliers waiving, releasing and relinquishing all liens, claims and rights to lien under applicable laws on account of any labor, materials and/or equipment furnished
by such party for the amount identified in, and through the period covered by, the Application for Payment and Architect’s Certificate for Payment on AIA Documents G702/G703 (or reasonable equivalents) submitted as part of the requisition; and
(4) copies of paid invoices for any costs of the Tenant’s Work for which the disbursement is being made that are 

  
 [*] = Certain
confidential information contained in this document, marked by brackets, has been omitted and filed separately with the Securities and Exchange Commission pursuant to Rule 24b-2 of the Securities Exchange Act of 1934, as amended. 

  
 2 

 
not included in the Application for Payment. Landlord shall make each Progress Payment (in an amount not to exceed the lesser of (x) the costs of Tenant’s Work as evidenced by the
documentation submitted with the applicable requisition, or (y) the balance of Landlord’s Contribution then remaining, less amounts retained by Landlord as hereinabove provided) to Tenant within [*] days after Landlord’s receipt of a
Progress Payment requisition with all required supporting documentation. 
  
 After Substantial Completion (hereinafter defined) of Tenant’s Work, Tenant may submit a requisition to Landlord for payment of the balance of Landlord’s Contribution (including the retainage as
provided above) (the “Final Payment”). Such requisition shall include: (i) a certificate of substantial completion issued by Tenant’s architect on the standard AIA form or a reasonable equivalent; (ii) full and
final lien waivers, and (iii) all other documentation required for a Progress Payment pursuant to the preceding paragraph as to the portion of Tenant’s Work covered by the Final Payment. Landlord shall make the Final Payment within [*]
days after Landlord’s receipt of a timely requisition for the Final Payment with all required supporting documentation. For purposes of this Fourth Amendment, “Substantial Completion” shall mean that all of Tenant’s Work
as shown and described in Tenant’s Plans has been completed, with only punchlist items (i.e., minor and insubstantial details of decoration or mechanical adjustment) excepted. 

 
 Notwithstanding any provision of this Section 5 to the
contrary, Landlord shall have no obligation to make any Progress Payment or the Final Payment with respect to any requisition or request for payment submitted later than June 30, 2019 or at any time during which there shall be a default of
Tenant under the Lease or the 21717 Lease. Any funds not so requisitioned shall be forfeited by Tenant and becwome Landlord’s property, time being of the essence. 

 
 6.    Section 6.8 of the Lease is hereby
amended to provide that Tenant’s liability policy shall name Landlord, its mortgagees, the members of Landlord and The RMR Group LLC as additional insureds, as their interests may appear. 
  
 7.    Section 8.1 of the Lease is hereby amended to provide that commencing on July 1,
2018, in no event shall the property management fee for each year of the Term exceed [*] of the net rental income of the Building for the applicable year of the Term. 

 
 8.    Landlord’s address for notice,
as set forth in Section 20.9 of the Lease, is hereby amended to be as follows: 
  
 SNH Medical Office Properties Trust 
 c/o The RMR Group LLC 

8631 West 3rd Street, Suite 301E 
 Los Angeles, CA 90048 
 Attention: Vice President, Western Region 

 
 with a copy to: 

 
 The RMR Group LLC 

Two Newton Place 

255 Washington Street, Suite 300 
 Newton, MA 02458 
 Attention: Jennifer B. Clark 

  
 [*] = Certain
confidential information contained in this document, marked by brackets, has been omitted and filed separately with the Securities and Exchange Commission pursuant to Rule 24b-2 of the Securities Exchange Act of 1934, as amended. 

  
 3 

 9.    Landlord’s address for the payment of rent, as set forth in
Sections 4.1 and 20.9 of the Lease, is hereby amended to be as follows: 
  
 SNH Medical Office Properties Trust 
 Dept. #600    

 P.O. Box 31001-2125     
 Pasadena, CA    91110-2125 
  
 10.    Tenant agrees that no trustee, officer, director, general or limited partner, member, shareholder, beneficiary, employee or agent of Landlord (including any person or entity
from time to time engaged to supervise and/or manage the operation of Landlord) shall be held to any liability, jointly or severally, for any debt, claim, demand, judgment, decree, liability or obligation of any kind (in tort, contract or otherwise)
of, against or with respect to Landlord or arising out of any action taken or omitted for or on behalf of Landlord. 
  

11.    Tenant warrants and represents that it has dealt with no broker in connection with the consummation of this
Fourth Amendment, other than Jones Lang LaSalle and Kidder Mathews (the “Brokers”), and in the event of any brokerage claims or liens against Landlord or the Project, other than by Jones Lang LaSalle and/or Kidder Mathews,
predicated upon or arising out of prior dealings with Tenant, Tenant agrees to defend the same and indemnify and hold Landlord harmless against any such claim, and to discharge any such lien. Landlord shall pay brokerage commissions due as a result
of this Fourth Amendment to the Brokers pursuant to separate agreements. 
  
 12.    As amended hereby, the Lease is hereby ratified and confirmed. In the event of any conflict between the terms of this Fourth Amendment and the terms of the Lease, or the terms
of the 21717 Lease, as applicable to the provisions of Section 5 above, the terms of this Fourth Amendment shall control. 
  

{Remainder of page intentionally left blank.} 

  
 [*] = Certain
confidential information contained in this document, marked by brackets, has been omitted and filed separately with the Securities and Exchange Commission pursuant to Rule 24b-2 of the Securities Exchange Act of 1934, as amended. 

  
 4 

 IN WITNESS WHEREOF, the parties hereunto have executed this Fourth Amendment as of the date
first written above. 
  

					
	LANDLORD:
	
	SNH MEDICAL OFFICE PROPERTIES TRUST
		
	By:	 	 The RMR Group LLC,
 its agent

			
		 	By:	 	 /s/ Jennifer F. Francis

		 		 	Jennifer F. Francis
		 		 	Senior Vice President
	
	TENANT:
	
	SEATTLE GENETICS INC.
		
	By:	 	 /s/ Clay B. Siegall

	Name:	 	Clay B. Siegall
	Title:	 	President and CEO

  
 [*] = Certain
confidential information contained in this document, marked by brackets, has been omitted and filed separately with the Securities and Exchange Commission pursuant to Rule 24b-2 of the Securities Exchange Act of 1934, as amended. 

  
 5

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