X0201 4 2003-11-04 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 Common Stock 2003-11-04 2003-11-04 4 C 0 4072726 0 A 4072726 I See Footnote Series D Preferred Stock 2003-11-04 2003-11-04 4 C 0 20363635 0 D Common Stock 4072726 0 I See Footnote The Issuer's preferred stock automatically converted into 0.2 shares of Common Stock upon the closing of the Issuer's initial public offering. The number of shares reflects the automatic conversion upon the closing of the initial public offering. 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. The Series D Preferred Stock has no expiration date. /s/ Rodney A. Ferguson 2003-11-06