X0201 3 2003-10-29 0 0001101052 MYOGEN INC MYOG 0001106607 JP MORGAN PARTNERS BHCA LP J.P. MORGAN PARTNERS 1221 AVENUE OF THE AMERICAS 40TH FLOOR NEW YORK NY 10020 0 0 1 0 Series D Preferred Stock Common Stock 20363635 I See Footnote The number of shares does not reflect the automatic conversion of Series D Preferred Stock into 0.2 shares of Common Stock upon the closing of the initial public offering of the Issuer; upon such closing, the Reporting Person will beneficially own 4,072,726 shares of Common Stock. The Series D Preferred Stock has no expiration date. The amounts shown represent the beneficial ownership of the Issuer’s equity securities by J.P. Morgan Partners (SBIC), LLC ("JPM SBIC"), which is 100% owned by the Reporting Person. /s/ Rodney A. Ferguson 2003-10-29