BERKELEY, Calif., Oct. 3, 2007 (PRIME NEWSWIRE) -- XOMA Ltd. (Nasdaq:XOMA), a leader in the discovery and development of antibody therapeutics, announced today that Steven Engle, XOMA’s Chief Executive Officer and President, is scheduled to present at the 2007 BIO Investor Forum. The presentation will take place on Wednesday, October 10 at 3:45 PT at the Palace Hotel in San Francisco.