JOINT FILING AGREEMENT
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EXHIBIT A
JOINT FILING AGREEMENT
The undersigned hereby agree that the statement on Schedule
13G with respect to the Common Stock of Valentis, Inc., dated as of December 27,
2001, is, and any amendments thereto (including amendments on Schedule 13D)
signed by each of the undersigned shall be, filed on behalf of each of us
pursuant to and in accordance with the provisions of Rule 13d-1(k) under the
Securities Exchange Act of 1934.
Date: December 27, 2001 PERSEUS-XXXXX BIOPHARMACEUTICAL FUND, LP
By: Perseus-Xxxxx Partners, LLC
General Partner
By: SFM Participation, L. P.
Managing Member
By: SFM AH, Inc.
General Partner
By: /s/ Xxxxxxx X. Xxxxxxx, Xx.
-----------------------------------
Name: Xxxxxxx X. Xxxxxxx, Xx.
Title: Secretary
Date: December 27, 2001 PERSEUS-XXXXX PARTNERS, LLC
By: SFM Participation, L. P.
Managing Member
By: SFM AH, Inc.
General Partner
By: /s/ Xxxxxxx X. Xxxxxxx, Xx.
-----------------------------------
Name: Xxxxxxx X. Xxxxxxx, Xx.
Title: Secretary
Date: December 27, 2001 PERSEUS BIOTECH FUND PARTNERS, LLC
By: Perseuspur, LLC
Managing Member
By: /s/ Xxxx Xxxxxxx
-----------------------------------
Name: Xxxx Xxxxxxx
Title: Secretary
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Date: December 27, 2001 PERSEUSPUR, LLC
By: /s/ Xxxx Xxxxxxx
------------------------------------
Name: Xxxx Xxxxxxx
Title: Secretary
Date: December 27, 2001 XX. XXXXX X. XXXXX
/s/ Xxxxx X. Xxxxx
--------------------------------------------
Name: Xxxxx X. Xxxxx
Date: December 27, 2001 SFM PARTICIPATION, L. P.
By: SFM AH, Inc.
General Partner
By: /s/ Xxxxxxx X. Xxxxxxx, Xx.
-----------------------------------
Name: Xxxxxxx X. Xxxxxxx, Xx.
Title: Secretary
Date: December 27, 2001 SFM AH, INC.
By: /s/ Xxxxxxx X. Xxxxxxx, Xx.
-----------------------------------
Name: Xxxxxxx X. Xxxxxxx, Xx.
Title: Secretary
Date: December 27, 2001 MR. XXXXXX XXXXX
By: /s/ Xxxxxxx X. Xxxxxxx, Xx.
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Name: Xxxxxxx X. Xxxxxxx, Xx.
Title: Attorney-in-Fact
Date: December 27, 2001 XXXXX FUND MANAGEMENT LLC
By: /s/ Xxxxxxx X. Xxxxxxx, Xx.
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Name: Xxxxxxx X. Xxxxxxx, Xx.
Title: Assistant General Counsel
