BERKELEY, Calif., Oct. 28, 2010 (GLOBE NEWSWIRE) -- XOMA Ltd. (Nasdaq:XOMA), a leader in the discovery and development of antibody therapeutics, announced that the company will host a webcast conference call on Thursday, November 4, 2010 at 4:30 pm Eastern time to discuss its 2010 third quarter financial results and provide a general business update.