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EXHIBIT 6
JOINT FILING AGREEMENT
We, the signatories of the statement to which this Joint Filing
Agreement is attached, hereby agree that such statement is filed, and
any amendments thereto filed by either or both of us will be filed, on
behalf of each of us.
Dated: May 17, 2001.
TCG HOLDINGS, L.L.C.
By: /s/ Xxxx Xxxxxx
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Name: Xxxx Xxxxxx
Title: Managing Director
TC GROUP, L.L.C.
By: TCG Holdings, L.L.C., its Managing Member
By: /s/ Xxxx Xxxxxx
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Name: Xxxx Xxxxxx
Title: Managing Director
TCG VENTURES, L.L.C.
By: TC Group, L.L.C., its Sole Member
By: TCG Holdings, L.L.C., its Managing Member
By: /s/ Xxxx Xxxxxx
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Name: Xxxx Xxxxxx
Title: Managing Director
CARLYLE U.S. VENTURE PARTNERS, L.P.
By: TCG Ventures, L.L.C., its General Partner
By: TC Group, L.L.C., its Sole Member
By: TCG Holdings, L.L.C., its Managing Member
By: /s/ Xxxx Xxxxxx
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Name: Xxxx Xxxxxx
Title: Managing Director
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CARLYLE VENTURE COINVESTMENT, L.L.C.
By: TCG Ventures, L.L.C., its Managing Member
By: TC Group, L.L.C., its Sole Member
By: TCG Holdings, L.L.C., its Managing Member
By: /s/ Xxxx Xxxxxx
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Name: Xxxx Xxxxxx
Title: Managing Director
TCG VENTURES, LTD.
By: TCG Ventures, L.L.C., its Sole Shareholder
By: TC Group, L.L.C., its Sole Member
By: TCG Holdings, L.L.C., its Managing Member
By: /s/ Xxxx Xxxxxx
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Name: Xxxx Xxxxxx
Title: Managing Director
CARLYLE VENTURE PARTNERS, L.P.
By: TCG Ventures, Ltd., its General Partner
By: TCG Ventures, L.L.C., its Sole Shareholder
By: TC Group, L.L.C., its Sole Member
By: TCG Holdings, L.L.C., its Managing Member
By: /s/ Xxxx Xxxxxx
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Name: Xxxx Xxxxxx
Title: Managing Director
C/S VENTURE INVESTORS, L.P.
By: TCG Ventures, Ltd., its Managing General Partner
By: TCG Ventures, L.L.C., its Sole Shareholder
By: TC Group, L.L.C., its Sole Member
By: TCG Holdings, L.L.C., its Managing Member
By: /s/ Xxxx Xxxxxx
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Name: Xxxx Xxxxxx
Title: Managing Director