EX-10.17



 Exhibit 10.17 
  





 
 December 21, 2010 
 W.
James Jackson, Ph.D. 
 Vice President 
 Emergent Product
Development Seattle, LLC 
 2401 4th Avenue, Suite 1050 

Seattle, WA 98121 
 Dear Dr. Jackson: 

Please refer to the lease dated April 28, 2003 and all subsequent addenda and amendments thereto (the “Lease”) for the space Emergent Product
Development Seattle, LLC (successor in interest to Trubion Pharmaceuticals, Inc.) occupies within the Fourth and Battery Building. This letter shall constitute an amendment to that Lease. Capitalized terms used but not otherwise defined herein shall
have the meanings ascribed to such terms in the Lease. 
 The name of the Lessee in the above referenced Lease is Emergent Product Development Seattle, LLC.
All references to Trubion Pharmaceuticals, Inc. or Trubion shall mean and refer to Emergent Product Development Seattle, LLC. 
 Except as provided in this
amendment, all other terms and conditions of the Lease remain unchanged and in full force and effect. 
 If you are in agreement with the above, please sign
below where indicated and return all three copies to me for Martin Selig’s signature. Upon full execution, I shall return one copy to you for your files. 

Very truly yours, 
  

	
	/s/ Theresa Howard
	Theresa Howard

 ACCEPTED AND AGREED: 
  

									
	Selig Real Estate Holdings Eight, LLC	 		 	Emergent Product Development Seattle, LLC
					
		 	 /s/ Martin Selig
	 		 		 	 /s/ W. James Jackson

	By:	 	Martin Selig	 		 	By:	 	W. James Jackson
	Its:	 	Managing Member	 		 	Its:	 	Vice President
	Dated:	 	January 5, 2011	 		 	Dated:	 	 January 4th,
2011                                         
    


  
 



 
 1000 SECOND AVENUE 

SUITE 1800 
 SEATTLE, WASHINGTON
98104-1046 
 (206) 467-7600 

FAX (206) 386-5296 








					
	STATE OF WASHINGTON	  	)	  	
		  	)        ss.	  	
	COUNTY OF KING	  	)	  	

 On this 5th day of January, 2011, before me, a Notary Public in and for
the State of Washington, personally appeared MARTIN SELIG, to me known to be the Managing Member of Selig Real Estate Holdings Eight, LLC, the entity that executed the foregoing instrument, and acknowledged said instrument to be the free and
voluntary act and deed of said entity, for the uses and purposes therein mentioned, and on oath stated that he/she/they is/are authorized to execute said instrument on behalf of the entity. 

IN WITNESS WHEREOF, I have hereunto set my hand and affixed by official seal, the day and year first written above. 

 

			
	



	  	 /s/ Jill H. Brandt

Notary Public in and for the State of Washington
 Residing at:
Sammamish
 My commission expires: 11.8.12


  

					
	STATE OF WASHINGTON	  	)	  	
		  	)        ss.	  	
	COUNTY OF KING	  	)	  	

 On this 4th day of January, 2011, before me, a Notary Public in and for
the State of Washington, personally appeared W. JAMES JACKSON, to me known to be the Vice President of Emergent Product Development Seattle, LLC, the entity that executed the foregoing instrument, and acknowledged said instrument to be the free and
voluntary act and deed of said entity, for the uses and purposes therein mentioned, and on oath stated that he/she/they is/are authorized to execute said instrument on behalf of the entity. 

IN WITNESS WHEREOF, I have hereunto set my hand and affixed by official seal, the day and year first written above. 

 

			
	



	  	 /s/ Linda M. Povinelli

Notary Public in and for the State of Washington
 Residing at:
Seattle
 My commission expires: April 19, 2013