BERKELEY, Calif., June 19, 2008 (PRIME NEWSWIRE) -- XOMA Ltd. (Nasdaq:XOMA), a leader in the discovery and development of antibody therapeutics, announced today that Steven Engle, Chairman and Chief Executive Officer of XOMA, is scheduled to present at the Jefferies Second Healthcare Conference. The presentation will take place in New York on Thursday, June 26, 2008 at 1:00 pm EDT.