XOMA to Announce Second Quarter 2014 Financial Results and Host Webcast on August 7

XOMA Corporation (Nasdaq:XOMA), a leader in the discovery and development of antibody therapeutics, announced the Company will host a conference call on Thursday, August 7, 2014, at 4:30 p.m. Eastern Daylight Time to discuss second quarter 2014 financial results and provide an update on gevokizumab's global clinical programs.

The webcast can be accessed via the Investors & Media section of XOMA's website at http://investors.xoma.com/events.cfm and will be available for replay until close of business on November 7, 2014. Telephone numbers for the live audiocast are 877-369-6589 (U.S./Canada) and 408-337-0122 (international). 

About XOMA Corporation

XOMA has built a portfolio of innovative therapeutic antibodies, both in late-stage clinical development and in preclinical research. XOMA focuses its antibody research and development on allosteric modulation, which offers opportunities for new classes of therapeutic antibodies to treat a wide range of human diseases. XOMA's lead product candidate, gevokizumab (IL-1 beta modulating antibody), is in a global Phase 3 program in non-infectious uveitis with its partner SERVIER and multiple proof-of-concept studies in other IL-1-mediated diseases. XOMA's scientific research also produced the XMet program, which consists of three classes of preclinical antibodies, including Selective Insulin Receptor Modulators (SIRMs) that could have a major effect on the treatment of diabetes.

More detailed information can be found at www.xoma.com

CONTACT: XOMA Corporation
         
         Company and Investor Contact:
         Ashleigh Barreto
         510-204-7482
         [e-mail]
         
         Juliane Snowden
         The Oratorium Group, LLC
         [e-mail]
         
         Media Contact:
         Canale Communications
         Carolyn Hawley
         619-849-5375
         [e-mail]