BERKELEY, Calif.--(BUSINESS WIRE)--May 4, 2006--XOMA Ltd. (Nasdaq:XOMA - News) will issue a news release announcing its first quarter financial results for the quarter ended March 31, 2006 on Wednesday, May 10, 2006 after the close of the financial markets. The news release will be followed by a conference call and live webcast on Thursday, May 11, 2006 at 4:00 p.m. Eastern (1:00 p.m. Pacific) with XOMA management discussing first quarter financial results and providing a general business update. There will be a question and answer session at the end of the conference call.
