Exhibit 1
AGREEMENT
TO
JOINTLY FILE SCHEDULE 13D
The undersigned hereby agree to jointly prepare and file with regulatory
authorities this Schedule 13D and any future amendment thereto reporting each of
the undersigned's ownership of securities of Art Technology Group, Inc., and
hereby affirm that such Schedule 13D is being filed on behalf of each of the
undersigned.
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August 24, 2004 SSH Partners I, LP
By: Xxxxxxxx-Xxxxxx Technology Group, LLC, its
General Partner
/s/ Xxxxx Xxxxxxx
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By: Xxxxx Xxxxxxx
Managing Member
August 24, 2004 Xxxxxxxx-Xxxxxx Technology Group, LLC
By: Xxxxxxxx-Xxxxxx, LLC, its Managing Member
/s/ Xxxxx Xxxxxxx
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By: Xxxxx Xxxxxxx
Managing Member
August 24, 2004 Xxxxxxxx-Xxxxxx, LLC
/s/ Xxxxx Xxxxxxx
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By: Xxxxx Xxxxxxx
Managing Member
August 24, 2004 /s/ Xxxxx Xxxxxxx
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Xxxxx Xxxxxxx
August 24, 2004 Arcadia Partners, L.P.
By: Arcadia Capital Management, LLC, its
General Partner
/s/ Xxxxxxx Xxxx
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By: Xxxxxxx Xxxx
Member
August 24, 2004 Arcadia Capital Management, LLC
/s/ Xxxxxxx Xxxx
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By: Xxxxxxx Xxxx
Member
August 24, 2004 /s/ Xxxxxxx Xxxx
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Xxxxxxx Xxxx
Xxxxxx 00, 0000 Xxxxxx, LLC
By: Admiral Advisors, LLC, its managing member
/s/ Xxxxxxx X. Xxxxxxx
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By: Xxxxxxx X. Xxxxxxx
Authorized Signatory
August 24, 2004 Starboard Value & Opportunity Fund, LLC
By: Admiral Advisors, LLC, its managing member
/s/ Xxxxxxx X. Xxxxxxx
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By: Xxxxxxx X. Xxxxxxx
Authorized Signatory
August 24, 2004 Ramius Capital Group, LLC
By: C4S & Co., LLC, its Managing Member
/s/ Xxxxxxx X. Xxxxxxx
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By: Xxxxxxx X. Xxxxxxx
Authorized Signatory
August 24, 2004 C4S & Co., LLC
/s/ Xxxxxxx X. Xxxxxxx
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By: Xxxxxxx X. Xxxxxxx
Authorized Signatory
August 24, 2004 /s/ Xxxxx X. Xxxxx
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Xxxxx X. Xxxxx
August 24, 2004 /s/ Xxxxxx X. Xxxxx
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Xxxxxx X. Xxxxx
August 24, 2004 /s/ Xxxxxxx X. Xxxxxxx
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Xxxxxxx X. Xxxxxxx
August 24, 2004 /s/ Xxxxxx X. Xxxxxxx
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Xxxxxx X. Xxxxxxx