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: ▇▇▇▇▇▇▇▇-▇▇▇▇▇▇ Technology Group, LLC, its
General Partner
/s/ ▇▇▇▇▇ ▇▇▇▇▇▇▇
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By: ▇▇▇▇▇ ▇▇▇▇▇▇▇
Managing Member
August 24, 2004 ▇▇▇▇▇▇▇▇-▇▇▇▇▇▇ Technology Group, LLC
By: ▇▇▇▇▇▇▇▇-▇▇▇▇▇▇, LLC, its Managing Member
/s/ ▇▇▇▇▇ ▇▇▇▇▇▇▇
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By: ▇▇▇▇▇ ▇▇▇▇▇▇▇
Managing Member
August 24, 2004 ▇▇▇▇▇▇▇▇-▇▇▇▇▇▇, LLC
/s/ ▇▇▇▇▇ ▇▇▇▇▇▇▇
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By: ▇▇▇▇▇ ▇▇▇▇▇▇▇
Managing Member
August 24, 2004 /s/ ▇▇▇▇▇ ▇▇▇▇▇▇▇
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▇▇▇▇▇ ▇▇▇▇▇▇▇
August 24, 2004 Arcadia Partners, L.P.
By: Arcadia Capital Management, LLC, its
General Partner
/s/ ▇▇▇▇▇▇▇ ▇▇▇▇
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By: ▇▇▇▇▇▇▇ ▇▇▇▇
Member
August 24, 2004 Arcadia Capital Management, LLC
/s/ ▇▇▇▇▇▇▇ ▇▇▇▇
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By: ▇▇▇▇▇▇▇ ▇▇▇▇
Member
August 24, 2004 /s/ ▇▇▇▇▇▇▇ ▇▇▇▇
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▇▇▇▇▇▇▇ ▇▇▇▇
▇▇▇▇▇▇ ▇▇, ▇▇▇▇ ▇▇▇▇▇▇, LLC
By: Admiral Advisors, LLC, its managing member
/s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
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By: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
Authorized Signatory
August 24, 2004 Starboard Value & Opportunity Fund, LLC
By: Admiral Advisors, LLC, its managing member
/s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
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By: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
Authorized Signatory
August 24, 2004 Ramius Capital Group, LLC
By: C4S & Co., LLC, its Managing Member
/s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
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By: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
Authorized Signatory
August 24, 2004 C4S & Co., LLC
/s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
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By: ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
Authorized Signatory
August 24, 2004 /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇
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▇▇▇▇▇ ▇. ▇▇▇▇▇
August 24, 2004 /s/ ▇▇▇▇▇▇ ▇. ▇▇▇▇▇
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▇▇▇▇▇▇ ▇. ▇▇▇▇▇
August 24, 2004 /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
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▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
August 24, 2004 /s/ ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
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