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EXHIBIT A
JOINT FILING AGREEMENT
The undersigned and each other person executing this joint filing
agreement (this "Filing Agreement") agree as follows:
The undersigned and each other person executing this Filing Agreement
are individually eligible to use the Schedule 13G to which this Exhibit is
attached and such Schedule 13G is filed on behalf of the undersigned and each
other person executing this Filing Agreement.
The undersigned and each other person executing this Filing Agreement
are responsible for the timely filing of such Schedule 13G and any amendments
thereto, and for the completeness and accuracy of the information concerning
such person contained therein; but none of the undersigned or any other person
executing this Filing Agreement is responsible for the completeness or accuracy
of the information statement concerning any other persons making the filing,
unless such person knows or has reason to believe that such information is
inaccurate.
This Filing Agreement may be executed in two or more counterparts, each
of which will be deemed an original, but all of which together shall constitute
one and the same instrument.
Dated: February 14, 2001
MADISON DEARBORN CAPITAL PARTNERS II, L.P.
By: Madison Dearborn Partners II, L.P., its general partner
By: Madison Dearborn Partners, Inc., its general partner
By: /s/ Xxxxx X. Xxxxx, Xx.
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Its: Managing Director
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MADISON DEARBORN PARTNERS II, L.P.
By: Madison Dearborn Partners, Inc., its general partner
By: /s/ Xxxxx X. Xxxxx, Xx.
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Its: Managing Director
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MADISON DEARBORN PARTNERS, INC.
By: /s/ Xxxxx X. Xxxxx, Xx.
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Its: Managing Director
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XXXXXX XXXXXXX CAPITAL PARTNERS III, L.P.
By: MSCP III, LLC, its general partner
By: Xxxxxx Xxxxxxx Capital Partners III, Inc., its managing member
By: /s/ Xxxxx X. Xxxxxxxxx
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Its: Secretary
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MSCP III, LLC
By: Xxxxxx Xxxxxxx Capital Partners III, Inc., its managing member
By: /s/ Xxxxx X. Xxxxxxxxx
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Its: Secretary
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XXXXXX XXXXXXX CAPITAL PARTNERS III, INC.
By: /s/ Xxxxx X. Xxxxxxxxx
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Its: Secretary
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XXXXXX XXXXXXX CAPITAL INVESTORS, L.P.
By: MSCP III, LLC, its general partner
By: Xxxxxx Xxxxxxx Capital Partners III, Inc., its managing member
By: /s/ Xxxxx X. Xxxxxxxxx
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Its: Secretary
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MSCP III 892 INVESTORS, L.P.
By: MSCP III, LLC, its general partner
By: Xxxxxx Xxxxxxx Capital Partners III, Inc., its managing member
By: /s/ Xxxxx X. Xxxxxxxxx
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Its: Secretary
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XXXXXX XXXXXXX XXXX XXXXXX, DISCOVER & CO.
By: /s/ Xxxxx X. Xxxxxxxxx
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Its: Authorized Signatory
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3
FRONTENAC VII LIMITED PARTNERSHIP
By: Frontenac Company VII, LLC, its general partner
By: /s/ XXXXX X. XXXXXXX
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Xxxxx X. Xxxxxxx, Under Power of Attorney (previously filed and incorporated
herein by reference)
FRONTENAC MASTERS VII LIMITED PARTNERSHIP
By: Frontenac Company VII, LLC, its general partner
By: /s/ XXXXX X. XXXXXXX
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Xxxxx X. Xxxxxxx, Under Power of Attorney (previously filed and incorporated
herein by reference)
FRONTENAC COMPANY VII, LLC
By: /s/ XXXXX X. XXXXXXX
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Xxxxx X. Xxxxxxx, Under Power of Attorney (previously filed and incorporated
herein by reference)
/s/ XXXXX X. XXXXXXX
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Xxxxx X. Xxxxxxx, under Power of Attorney (previously filed and incorporated
herein by reference) for:
Xxxx X. Xxxxxxx
Xxxxx X. Xxxxx
Xxxxx X. Xxxxxxxx III
Xxxxxx X. Xxxxxxxxx
Xxxxxx X. Xxxxxxx
Xxxxxx Xxxxx Xxxxxxx
Xxxxx P. Pearl
Xxxxxx X. Xxxxxxxxx
4
BATTERY VENTURES IV, L.P.
By: Battery Partners IV, LLC, its general partner
By: /s/ XXXXXX X. XXXXXX
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Its: Member Manager
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BATTERY INVESTMENT PARTNERS IV, LLC
By: /s/ XXXXXX X. XXXXXX
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Its: Member Manager
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BATTERY PARTNERS IV, LLC
By: /s/ XXXXXX X. XXXXXX
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Its: Member Manager
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XXXXX X. XXXXXXX FAMILY LIMITED PARTNERSHIP
By: /s/ XXXXX X. XXXXXXX
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Its: Sole General Partner
/s/ XXXXX X. XXXXXXX
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XXXXX X. XXXXXXX
/s/ XXXXXX X. XXXX
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XXXXXX X. XXXX
/s/ C. XXXXXX XXXX
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C. XXXXXX XXXX
