SCHEDULE 13G
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CUSIP NO. 917920 10 0 PAGE 10 OF 10 PAGES
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EXHIBIT 1
JOINT FILING AGREEMENT OF
AMPERSAND 1995 LIMITED PARTNERSHIP,
AMP-95 MANAGEMENT COMPANY LIMITED PARTNERSHIP AND
AMP-95 MCLP LLP
The undersigned persons agree and consent pursuant to Rule
13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, as of the
date set forth below, to the joint filing on their behalf of the Schedule 13G/A
to which this Exhibit is attached, in connection with their beneficial ownership
of the common stock of V.I. Technologies, Inc. at March 21, 2005 and agree that
such statement is filed on behalf of each of them.
AMPERSAND 1995 LIMITED PARTNERSHIP
By: AMP-95 Management Company Limited Partnership, its General Partner
By: AMP-95 MCLP LLP, its General Partner
By: /s/ Xxxxxxx X. Xxxxxxx
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Xxxxxxx X. Xxxxxxx, its Managing Partner
Dated: March 21, 2005
AMP-95 MANAGEMENT COMPANY LIMITED PARTNERSHIP
By: AMP-95 MCLP LLP, its General Partner
By: /s/ Xxxxxxx X. Xxxxxxx
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Xxxxxxx X. Xxxxxxx, its Managing Partner
Dated: March 21, 2005
AMP-95 MCLP LLP
By: /s/ Xxxxxxx X. Xxxxxxx
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Xxxxxxx X. Xxxxxxx, its Managing Partner
Dated: March 21, 2005
