BERKELEY, Calif., May 1, 2012 (GLOBE NEWSWIRE) -- XOMA Corporation (Nasdaq:XOMA), a leader in the discovery and development of antibody therapeutics, announced the Company will host a webcast conference call on Tuesday, May 8, 2012 at 4:30 p.m. Eastern time to discuss first quarter 2012 financial results and provide a detailed overview on the study designs for gevokizumab's global Phase 3 clinical program.