X0202 4 2005-04-12 0 0001103390 INTRABIOTICS PHARMACEUTICALS INC /DE IBPI 0001244392 BAKER TISCH CAPITAL GP LLC 667 MADISON AVENUE NEW YORK NY 10021 0 0 1 0 0001087939 BAKER JULIAN 667 MADISON AVENUE NEW YORK NY 10021 0 0 1 0 0001087940 BAKER FELIX 667 MADISON AVENUE NEW YORK NY 10021 0 0 1 0 Common Stock 2005-04-12 4 P 0 141 3.57 A 6377 I See Footnote In addition to Baker/Tisch Capital (GP), LLC, this Form 4 is being filed jointly by Felix J. Baker and Julian C. Baker, each of whom has the same business address as Baker/Tisch Capital (GP), LLC, and may be deemed to have a pecuniary interest in securities owned by it. Because of certain relationships with other security holders of the Issuer, the Reporting Persons are filing solely for informational purposes as if they were members of a group with such security holders. However, the Reporting Persons disclaim that they and any other person or persons in fact constitute a "group" for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended, or Rule 13d-5 thereunder or that they are the beneficial owners of securities owned by such other persons, and each of them disclaims beneficial ownership of securities reported herein except to the extent of their pecuniary interest, if any, therein. Represents shares of common stock owned directly by Baker/Tisch Investments, L.P., a limited partnership of which the sole general partner is Baker/Tisch Capital, L.P., a limited partnership of which the sole general partner is Baker/Tisch Capital (GP), LLC. Felix J. Baker and Julian C. Baker are the controlling members of Baker/Tisch Capital (GP), LLC. /s/ Julian C. Baker, as Managing Member of Baker/Tisch Capital (GP), LLC 2005-04-14 /s/ Julian C. Baker 2005-04-14 /s/ Felix J. Baker 2005-04-14