1
Exhibit 1
JOINT FILING AGREEMENT
In accordance with Rule 13d-1(f)(1) under the Securities Exchange Act of 1934,
as amended, the undersigned agree that only one statement containing the
information required by Schedule 13G need be filed by each of the undersigned
with respect to the ownership by each of the undersigned of shares of stock of
Concord Communications, Inc. This Agreement may be executed in any number of
counterparts, each of which shall be deemed an original.
Canaan Ventures II Limited Partnership
By: Canaan Venture Partners II L.P.
Its General Partner
By: *
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General Partner
Canaan Ventures II Offshore C. V.
By: Canaan Venture Partners II L.P.
Its General Partner
By: *
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General Partner
Canaan Offshore Management, N.V.
By: *
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Director
Canaan Venture Partners II L.P.
By: *
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General Partner
Page 18 of 22 pages
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*
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Xxxxx X. Xxxx
*
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Xxxxx X. Xxxxxxxxxxx
*
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Xxxxxxx X. Xxxxx
*
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Xxxxxx Xxxxx
*
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Xxxxxxx Xxxxxxxxxx
*
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Xxxxxx X. Xxxxxxxxxx
*
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Xxxx X. Xxxxx
*By: /s/ Xxx X. Xxxxx
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Xxx X. Xxxxx
Attorney-in-Fact
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This Schedule 13G was executed by Xxx X. Xxxxx pursuant to Powers of Attorney a
copy of which is filed herewith as Exhibit 2.
Page 19 of 22 pages
