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Exhibit 1
AGREEMENT
Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934,
the undersigned hereby agree that only one statement containing the information
required by Schedule 13G need be filed with respect to the ownership by each of
the undersigned of shares of Common Stock of Ciphergen Biosystems, Inc.
This agreement may be executed in any number of counterparts, each of
which shall be deemed an original.
EXECUTED this 13th day of February, 2001.
ATLAS VENTURE FUND V, L.P. ATLAS VENTURE PARALLEL FUND V-B,
C.V.
By: Atlas Venture Associates V, L.P. By: Atlas Venture Associates V, L.P.
General Partner General Partner
By: Atlas Venture Associates V, Inc. By: Atlas Venture Associates V,
Inc.
By: * By: *
---------------------------- -----------------------
Xxxxxxxxxxx Spray Xxxxxxxxxxx Spray
President President
ATLAS VENTURE ENTREPRENEURS' FUND V, L.P. ATLAS VENTURE ASSOCIATES V, L.P.
By: Atlas Venture Associates V, L.P. By: Atlas Venture Associates V, Inc.
General Partner
By: *
---------------------------
By: Atlas Venture Associates V, Inc. Xxxxxxxxxxx Spray
President
By: *
----------------------------
Xxxxxxxxxxx Spray ATLAS VENTURE ASSOCIATES V, INC.
President
By: *
---------------------------------
Xxxxxxxxxxx Spray
President
ATLAS VENTURE PARALLEL FUND V-A, C.V.
*
------------------------------------
By: Atlas Venture Associates V, L.P. Xxxxxxxxxxx X. Spray
General Partner
*
------------------------------------
By: Atlas Venture Associates V, Inc. Xxxx-Xxxxxxxx Xxxxxxx
By * *
---------------------------- ------------------------------------
Xxxxxxxxxxx Spray Xxxxxx Xxxxxx
President
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* The undersigned attorney-in-fact, by signing her name below, does hereby
sign this statement on behalf of the above indicated filers pursuant to
Powers of Attorney filed hereto as Exhibit 2.
/s/ Xxxxxx Xxxxxx Xxxxx
------------------------------------
Xxxxxx Xxxxxx Xxxxx
Attorney-in-fact
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