X0201 42003-10-06 0001103390 INTRABIOTICS PHARMACEUTICALS INC /DE IBPI 0001178579 TANG KEVIN C 4401 Eastgate MallSan DiegoCA921211010 0001191935 TANG CAPITAL PARTNERS LP 4401 Eastgate MallSan DiegoCA921210010 0001232621 TANG CAPITAL MANAGEMENT LLC 4401 EASTGATE MALL SAN DIEGO CA 92121 0010Common Stock2003-10-064P012000010.85A323633ISee NoteCommon Stock Warrant (right to buy)10.852003-10-064P0240000A2003-10-132008-10-13Common Stock2400024000ISee NoteThe 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 (other than shares held by Mr. Tang as custodian for a minor child) 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 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 interst therein. The reporting persons disclaim beneficial ownership of the securities held by Kevin C. Tang as custodian for his minor child, and this report shall not be deemed as an admission that the beneficial owners of such securities for purporses of Section 16 or for any other purpose.Includes 5,693 shares of common stock issued as a dividend on 6/30/03 and 2,778 shares of common stock issued as a dividend on 9/30/03, and 583 shares held by Kevin C. Tang as custodian for his minor child.The reported securities are included with the shares of common stock purchased by the reporting person for $10.85 per share. The number of warrant securities issued was determined by a formula based on the aggregate purchase price paid for the common stock.The 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 securities 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 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 securities except to the extent of its/his pecuniary interst therein. Dennis Calderon, Attorney-in-fact2003-10-08