BERKELEY, Calif., June 5, 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 Needham and Company's Seventh Annual Biotechnology and Medical Technology Conference. The presentation will take place in New York on Wednesday, June 11, 2008 at 2:30 pm EDT.