X0202 4 2004-09-29 0001101052 MYOGEN INC MYOG 0001237288 ALSOP STEWART II 1119 ST. PAUL STREET BALTIMORE MD 21202 0 0 1 0 Common Stock 2004-09-29 4 P 0 858235 6.50 A 4203690 I See Note Common Stock Warrants (right to buy) 7.80 2004-09-29 4 P 0 171647 .125 A 2005-03-30 2009-09-29 Common Stock 171647 171647 I See Note The Reporting Person is a general partner of NEA Partners 10, Limited Partnership, which is the sole general partner of New Enterprise Associates 10, Limited Partnership ("NEA 10"), the beneficial owner of the securities. The Reporting Person disclaims beneficial ownership of the securities held by NEA 10, except to the extent of his actual pecuniary interest therein. In addition to the shares reported herein, the Reporting Person indirectly holds 2,541,089 common shares of the issuer beneficially owned by New Enterprise Associates 9, Limited Partnership ("NEA 9"). The Reporting Person is a general partner of NEA Partners 9, Limited Partnership, which is the sole general partner of NEA 9. The Reporting Person disclaims beneficial ownership of the securities held by NEA, except to the extent of his actual pecuniary interest therein. These holdings have been previously reported. Louis S. Citron, attorney-in-fact 2004-10-01