Exhibit 99.1
 
JOINT FILING AGREEMENT
 
In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including additional amendments thereto) with respect to the shares of Common Stock, $0.0075 par value, of XOMA Corporation, a Delaware corporation. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.
 
Dated:  February 21, 2017

 
BIOTECHNOLOGY VALUE FUND, L.P.
   
 
By:
BVF Partners L.P., its general partner
 
By:
BVF Inc., its general partner
   
 
By:
/s/ Mark N. Lampert
   
Name:
Mark N. Lampert
   
Title:
President


 
BIOTECHNOLOGY VALUE FUND II, L.P.
   
 
By:
BVF Partners L.P., its general partner
 
By:
BVF Inc., its general partner
   
 
By:
/s/ Mark N. Lampert
   
Name:
Mark N. Lampert
   
Title:
President


 
BIOTECHNOLOGY VALUE TRADING FUND OS, L.P.
   
 
By:
BVF Partners L.P., its investment manager
 
By:
BVF Inc., its general partner
   
 
By:
/s/ Mark N. Lampert
   
Name:
Mark N. Lampert
   
Title:
President


 
BVF PARTNERS OS LTD.
   
 
By:
BVF Partners L.P., its sole member
 
By:
BVF Inc., its general partner
   
 
By:
/s/ Mark N. Lampert
   
Name:
Mark N. Lampert
   
Title:
President
 
 
 
 
 
 
BVF PARTNERS L.P.
   
 
By:
BVF Inc., its general partner
   
 
By:
/s/ Mark N. Lampert
   
Name:
Mark N. Lampert
   
Title:
President
 
 
 
BVF INC.
     
   
 
By:
/s/ Mark N. Lampert
   
Name:
Mark N. Lampert
   
Title:
President


 
/s/ Mark N. Lampert
 
MARK N. LAMPERT


 
/s/ Matthew D. Perry
 
MATTHEW D. PERRY