XOMA to Present at Credit Suisse Antibody Day 2015

BERKELEY, Calif., May 4, 2015 (GLOBE NEWSWIRE) -- XOMA Corporation (Nasdaq:XOMA), a leader in the discovery and development of therapeutic antibodies, announced today that Paul Rubin, the Company's Senior Vice President, Research and Development, and Chief Medical Officer, is scheduled to present at the Credit Suisse Antibody Day on May 6, 2015 at 8:35 a.m. Eastern time.

A live audio webcast of the presentation can be accessed in the Investors and Media section of XOMA's website at http://investors.xoma.com/events.cfm. An archived version of the webcast will be available via replay for 30 days following the presentation.

About XOMA Corporation

XOMA Corporation is a leader in the discovery and development of therapeutic antibodies. The Company's innovative product candidates are the result of its expertise in developing ground-breaking monoclonal antibodies, including allosteric modulating antibodies, which have created new opportunities to potentially treat a wide range of human diseases. XOMA is developing its lead product gevokizumab (IL-1 beta modulating antibody) with Servier through a global Phase 3 program for Behçet's disease uveitis and non-infectious uveitis. XOMA also has an ongoing Phase 3 study of gevokizumab in pyoderma gangrenosum. Additionally, XOMA's scientific research has produced the XMet platform, which consists of three classes of Selective Insulin Receptor Modulators (SIRMs) antibodies. XOMA 358, the lead antibody in the XMetD program, is an allosteric modulating monoclonal antibody that reduces both the binding of insulin to its receptor and down-regulates insulin signaling and could have a major effect on the treatment of abnormal metabolic states. XOMA 358 recently completed Phase 1 testing. For more information, visit www.xoma.com.

CONTACT: Company and investor contacts:
         Ashleigh Barreto
         510-204-7482
         barreto@xoma.com

         Juliane Snowden
         The Oratorium Group, LLC
         jsnowden@oratoriumgroup.com

         Media contact:
         Ryan Flinn
         W2O Group
         415-946-1059
         rflinn@w2ogroup.com

Released May 4, 2015