SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)--Feb. 28, 2006--Hana Biosciences (AMEX:HBX) announced today that Mark Ahn, PhD, President & Chief Executive Officer, will present a company update at the Cowen & Co. 26th Annual Health Care Conference on Thursday, March 9th, at 8:50 AM ET in the Harvard Meeting Room on the 3rd floor at the Boston Marriott Copley Place.