X0201 4 2004-02-09 0 0000932903 AVIGEN INC \DE AVGN 0001033507 HOROVITZ ZOLA P C/O GENAERA CORP 5110 CAMPUS DDRIVE PLYMOUTH MEETING PA 19462 1 0 0 0 Common Stock, $0.001 par value 2004-02-09 4 M 0 6772 0.443 A 6772 D Common Stock, $0.001 par value 2004-02-09 4 M 0 5000 2 A 11772 D Common Stock, $0.001 par value 2004-02-09 4 M 0 1693 0.7088 A 13465 D Non-Qualified Stock Option (Right to Buy) 0.443 2004-02-09 4 M 0 6772 0 D 2004-11-11 Common Stock, $0.001 par value 6772 0 D Non-Qualified Stock Option (Right to Buy) 2 2004-02-09 4 M 0 5000 0 D 2008-11-19 Common Stock, $0.001 par value 5000 0 D Non-Qualified Stock Option (Right to Buy) 0.7088 2004-02-09 4 M 0 1693 0 D 1996-02-05 2006-02-05 Common Stock, $0.001 par value 1693 0 D Options becomes exercisable in 16 equal quarterly installments beginning on 11/11/94. Excludes Options to purchase 72,500 shares of Avigen, Inc. Common Stock, $0.001 par value, at exercise prices and exercisable dates that differ from those described here. Options become exercisable in 3 annual installments of 1,650 shares, 1,700 shares, and 1,650 shares on 11/19/1999, 11/19/2000, and 11/19/2001, respectively. Zola Horovitz by Andrew A. Sauter - Power of Attorney 2004-02-11