X0101 42003-05-15 0001103390 INTRABIOTICS PHARMACEUTICALS INC /DE IBPI 0001178579 TANG KEVIN C 1010 0001191935 TANG CAPITAL PARTNERS LP 0010 0001232621 TANG CAPITAL MANAGEMENT LLC 0010Common Stock2003-05-154P0150001.7672A191679IBy PartnershipCommon Stock2003-05-164P09001.77A192579IBy PartnershipThe reporting person may be deemed to be a member of a Section 13(d) group that owns more than 10% of the issuer's outstanding common stock. The Shares may be deemed to be beneficially owned by Tang Capital Partners, LP, Tang Capital Management, LLC (the General Partner of Tang Capital Partners, LP) and by Kevin C. Tang, the sole manager of Tang Capital Management, LLC. Each of Tang Capital Management, LLC and Mr. Tang disclaims beneficial ownership of the shares except to the extent of its/his pecuniary interest therein.G. Jodee Ziba, Attorny-in-fact2003-05-19