ROCKVILLE, Md., April 30, 2008 (PRIME NEWSWIRE) -- Nabi Biopharmaceuticals (Nasdaq:NABI) today announced that it will report its first quarter 2008 financial results on Thursday, May 8, 2008, after market close. The company will host a live webcast and conference call at 4:30 p.m. EDT that day to discuss these results.