JOINT FILING AGREEMENTJoint Filing Agreement • October 23rd, 2009 • Biotechnology Value Fund L P • Investment advice
In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of Amendment No. 8 to the Schedule 13D originally filed on October 23, 2008 (including additional amendments thereto) with respect to the shares of Common Stock, par value $0.001 per share, of Avigen, Inc. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.
