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<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><B>As
filed with the Securities and Exchange Commission on November 2, 2009</B></DIV>

<DIV align="right" style="font-size: 10pt; margin-top: 6pt; margin-bottom:6pt"><B>Registration No.&nbsp;333 &#151; </B><B>&#149;</B></DIV>

<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 1pt solid black; font-size: 1pt">&nbsp;</DIV>

<DIV align="center" style="font-size: 14pt; margin-top: 10pt"><B>UNITED STATES<BR>SECURITIES AND EXCHANGE COMMISSION</B></DIV>

<DIV align="center" style="font-size: 12pt"><B>Washington, D.C. 20549</B></DIV>

<DIV align="center" style="font-size: 18pt; margin-top: 10pt"><B>FORM S-8</B></DIV>

<DIV align="center" style="font-size: 12pt; margin-top: 10pt"><B>REGISTRATION STATEMENT<BR>UNDER<BR>THE SECURITIES ACT OF 1933</B></DIV>

<DIV align="center" style="font-size: 24pt; margin-top: 10pt"><B>Art Technology Group, Inc.</B></DIV>

<DIV align="center" style="font-size: 10pt">(Exact name of registrant as specified in its charter)</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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<TR valign="bottom">
    <TD width="48%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="48%">&nbsp;</TD>
</TR>
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<TR valign="bottom">
    <TD align="center" valign="top"><B>Delaware</B></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>04-3141918</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">(State or other jurisdiction of incorporation or organization)</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(I.R.S. employer identification no.)</TD>
</TR>
<TR valign="bottom" style="font-size:8pt"><!-- Blank Space -->
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><B>One Main Street, Cambridge, Massachusetts</B></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>02142</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">(Address of principal executive offices)</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(Zip code)</TD>
</TR>
<!-- End Table Body -->
</TABLE></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 10pt"><B>1999 Employee Stock Purchase Plan</B><BR>
(Full title of the plan)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 10pt"><B>Robert D. Burke<BR>
President and Chief Executive Officer<BR>
Art Technology Group, Inc.<BR>
One Main Street<BR>
Cambridge, Massachusetts 02142</B><BR>
(Name and address of agent for service)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 10pt"><B>(617)&nbsp;386-1000</B><BR>
(Telephone number, including area code, of agent for service)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 10pt"><B>Copies to:</B></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 10pt"><B>John D. Patterson, Jr., Esq.<BR>
Robert W. Sweet, Jr., Esq.<BR>
Foley Hoag LLP<BR>
Seaport World Trade Center West<BR>
155 Seaport Boulevard<BR>
Boston, Massachusetts 02210<BR>
Telephone: (617)&nbsp;832-1000<BR>
Telecopy: (617)&nbsp;832-7000</B></DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicated by check mark whether the registrant is a large accelerated filer, an
accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of
&#147;large accelerated filer,&#148; &#147;accelerated filer&#148; and &#147;smaller reporting company&#148; in Rule&nbsp;12b-2 of the
Exchange Act. (Check one):</DIV>
<DIV align="center">
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    <TD width="22%"></TD>
    <TD width="3%"></TD>
    <TD width="22%"></TD>
    <TD width="3%"></TD>
    <TD width="22%"></TD>
    <TD width="3%"></TD>
    <TD width="22%"></TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="left" valign="top">Large accelerated filer <FONT face="Wingdings">&#111;</FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Accelerated filer&nbsp;<FONT face="Wingdings">&#254;</FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Non-accelerated filer&nbsp;<FONT face="Wingdings">&#111;</FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">Smaller reporting company&nbsp;<FONT face="Wingdings">&#111;</FONT></TD>
</TR>
<TR valign="bottom">
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><FONT style="white-space: nowrap">(Do not check if a smaller reporting company)</FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
</TR>
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</TABLE></DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>CALCULATION OF REGISTRATION FEE</B></DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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<TR valign="bottom">
    <TD width="1%">&nbsp;</TD>
    <TD width="48%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="21%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>

    <TD width="1%">&nbsp;</TD>
</TR><TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="15" style="border-bottom: 3px double #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center"><B>Title of</B></TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Amount</B></TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Proposed maximum</B></TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Proposed maximum</B></TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Amount of</B></TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center"><B>securities to be</B></TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>to be</B></TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>offering price</B></TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>aggregate</B></TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>registration</B></TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center"><B>registered</B></TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>registered</B></TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>per share</B></TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>offering price</B></TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>fee</B></TD>
    <TD width="1%">&nbsp;</TD>
</TR>

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    <TD width="1%" style="border-top: 1px solid #000000">&nbsp;</TD>
                    <TD style="border-top: 1px solid #000000"><DIV style="margin-left:15px; text-indent:-15px">Common stock, $0.01 par value (1)</DIV></TD>
    <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
    <TD style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 1px solid #000000">1,500,000 (2)(3)</TD>
    <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
    <TD style="border-top: 1px solid #000000">&nbsp;</TD>

<TD align="center" valign="bottom" style="border-top: 1px solid #000000">$4.075 (4)</TD>
    <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
    <TD style="border-top: 1px solid #000000">&nbsp;</TD>

<TD align="center" valign="bottom" style="border-top: 1px solid #000000">$6,112,500</TD>
    <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
    <TD style="border-top: 1px solid #000000">&nbsp;</TD>

<TD align="center" valign="bottom" style="border-top: 1px solid #000000">$341.08</TD>
    <TD width="1%" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="15" style="border-top: 3px double #000000">&nbsp;</TD>
</TR>
</TABLE></DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96">&nbsp;</TD>
</TR>

<TR valign="top">
    <TD nowrap align="left">(1)</TD>
    <TD>&nbsp;</TD>
    <TD>Each share includes one right to purchase shares of the Registrant&#146;s series A junior participating
preferred stock pursuant to the terms of a Rights Agreement, dated September&nbsp;26, 2001, between the
Registrant and EquiServe Trust Company, N.A.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(2)</TD>
    <TD>&nbsp;</TD>
    <TD>Represents shares of the Registrant&#146;s common stock issuable pursuant to awards granted under the
1999 Employee Stock Purchase Plan, as amended, of Art Technology Group, Inc. (the &#147;<B><I>1999 Employee
Stock Plan</I></B>&#148;).</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(3)</TD>
    <TD>&nbsp;</TD>
    <TD>Pursuant to Rule 416(a) under the Securities Act, this Registration Statement shall also cover any
additional shares of the Registrant&#146;s common stock that become issuable under the 1999 Employee
Stock Plan by reason of any stock dividend, stock split, recapitalization or other similar
transaction effected without the receipt of consideration that increases the number of the
Registrant&#146;s outstanding shares of common stock.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(4)</TD>
    <TD>&nbsp;</TD>
    <TD>The proposed maximum offering price per share has been estimated in accordance with Rule 457(c) and
Rule 457(h) under the Securities Act solely for the purpose of calculating the registration fee of
shares reserved for future issuance based on the average of the high and low price of the
Registrant&#146;s common stock as quoted on the Nasdaq Global Market
on October 29, 2009.</TD>
</TR>
</TABLE>

<DIV style="width: 100%; border-bottom: 1pt solid black; margin-top: 10pt; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio --></DIV>
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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This Registration Statement is filed pursuant to General Instruction E to Form S-8 by Art
Technology Group, Inc., a Delaware corporation (the &#147;<B><I>Registrant</I></B>&#148;) to register 1,500,000 shares of
the Registrant&#146;s common stock, $0.01 par value per share, issuable pursuant to the Registrant&#146;s
1999 Employee Stock Purchase Plan, as amended, (&#147;<B><I>1999 Employee Stock Plan</I></B>&#148;), which shares are in
addition to those previously registered on the Forms S-8 (File Nos. 333-83321, 333-100003,
333-106058, and 333-135487) filed with the Securities and Exchange Commission on July&nbsp;21, 1999,
September&nbsp;23, 2002, June&nbsp;12, 2003, and June&nbsp;30, 2006, respectively (the &#147;<B><I>Original Registration
Statements</I></B>&#148;).</DIV>

<!--TOC-->
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<!-- link1 "PART II" -->

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>PART II</B></DIV>

<DIV align="center" style="font-size: 10pt"><B>INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</B></DIV>


<!-- link2 "Item&nbsp;3. Incorporation of Documents by Reference" -->

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;3. Incorporation of Documents by Reference.</B></DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Registrant incorporates herein by reference the contents of the previously filed Original
Registration Statements and the following documents filed with the Securities and Exchange
Commission:</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="3%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">(a)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>the Registrant&#146;s Annual Report on Form 10-K for the year ended December&nbsp;31, 2008, as
filed with the Commission pursuant to Section&nbsp;13 of the Exchange Act on March&nbsp;2, 2009;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="3%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">(b)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>the Registrant&#146;s Quarterly Reports on Form 10-Q filed on May&nbsp;8, 2009 and August&nbsp;6, 2009,
and Form 10-Q/A
filed on August&nbsp;26, 2009;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="3%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">(c)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>the portions of the Registrant&#146;s Proxy Statement for the 2009 annual meeting of
stockholders, as filed with the Commission on April&nbsp;21, 2009, that are deemed &#147;filed&#148;
under the Securities Exchange Act of 1934, as amended;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="3%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">(d)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>the Registrant&#146;s Current Reports on Form 8-K filed on March&nbsp;30, 2009 and May&nbsp;27, 2009; and</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="3%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">(e)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>the description of the Registrant&#146;s common stock and related preferred stock purchase
rights contained in the Registrant&#146;s registration statement on Form 8-A filed on July&nbsp;12,
1999, together with amendments and reports filed for the purpose of updating that
description, including Amendment No.&nbsp;1 to Form 8-A filed on October&nbsp;2, 2001; and</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="3%" style="background: transparent">&nbsp;</TD>
    <TD width="2%" nowrap align="left">(f)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>the description of the Registrant&#146;s Series&nbsp;A junior participating preferred stock
contained in Exhibit&nbsp;A to the Rights Agreement dated September&nbsp;26, 2001 between us and
EquiServe Trust Company, N.A., as Rights Agent, incorporated by reference to Exhibit&nbsp;4.1
to Registrant&#146;s current report on Form 8-K filed with the SEC on October&nbsp;2, 2001, and all
amendments and reports updating such description.</TD>
</TR>

</TABLE></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All documents subsequently filed by Registrant pursuant to Sections&nbsp;13(a), 13(c), 14 and 15(d)
of the Exchange Act, prior to the filing of a post-effective amendment which indicates that all
securities offered have been sold or which deregisters all securities then remaining unsold, shall
be deemed to be incorporated by reference in this registration statement and to be a part hereof
from the dates of filing of those documents.</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Under no circumstances will any information filed or furnished under items 2.02, 7.01 or 9.01
of Form 8-K be deemed incorporated herein by reference unless such Form 8-K expressly provides to
the contrary. Similarly, under no circumstances will any information filed or furnished under item
8.01 of Form 8-K solely for purposes of satisfying the requirements of Regulation&nbsp;FD of the
Exchange Act be deemed incorporated herein by reference unless such Form 8-K expressly provides to
the contrary. The Registrant does not incorporate the contents of its website into this
prospectus.</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;You may request a copy of the filings incorporated by reference herein, at no cost, by writing
or telephoning the Registrant at:</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt">Art Technology Group, Inc.<BR>
One Main Street<BR>
Cambridge, Massachusetts 02142<BR>
(617)&nbsp;386-1000</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;You should rely only on the information provided or incorporated by reference in this
registration statement or any related prospectus. The Registrant has not authorized anyone to
provide you with different information. You should not assume that the information in this
registration statement or any related prospectus is accurate as of any date other than the date on
the front of the document.</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio --></DIV>

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">

<!-- link2 "Item&nbsp;4. Description of Securities" -->

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;4. Description of Securities.</B></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.</DIV>
<!-- link2 "Item&nbsp;5. Interests of Named Experts and Counsel" -->

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;5. Interests of Named Experts and Counsel.</B></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The validity of the securities registered hereby is being passed upon for the Registrant by
Foley Hoag LLP, Boston, Massachusetts.</DIV>
<!-- link2 "Item&nbsp;6. Indemnification of Directors and Officers" -->

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;6. Indemnification of Directors and Officers.</B></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;102 of the Delaware General Corporation Law allows a corporation to eliminate the
personal liability of directors of a corporation to the corporation or its stockholders for
monetary damages for a breach of fiduciary duty as a director, except where the director breached
his duty of loyalty, failed to act in good faith, engaged in intentional misconduct or knowingly
violated a law, authorized the payment of a dividend or approved a stock repurchase in violation of
Delaware corporate law or obtained an improper personal benefit. The Registrant has included such a
provision in its charter.</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;145 of the Delaware General Corporation Law provides that a corporation has the power
to indemnify a director, officer, employee or agent of the corporation and certain other persons
serving at the request of the corporation in related capacities against amounts paid and expenses
incurred in connection with an action or proceeding to which such person is or is threatened to be
made a party by reason of such position, if such person shall have acted in good faith and in a
manner he or she reasonably believed to be in or not opposed to the best interests of the
corporation, and, in any criminal proceeding, if such person had no reasonable cause to believe his
or her conduct was unlawful; provided that, in the case of actions brought by or in the right of
the corporation, no indemnification shall be made with respect to any matter as to which such
person shall have been adjudged to be liable to the corporation unless and only to the extent that
the adjudicating court determines that such indemnification is proper under the circumstances.</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Article&nbsp;Eighth of the Registrant&#146;s charter provides that no director of the Registrant shall
be personally liable for any monetary damages for any breach of fiduciary duty as a director,
except to the extent that the Delaware General Corporation Law prohibits the elimination or
limitation of liability of directors for breach of fiduciary duty.</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Article&nbsp;Ninth of the Registrant&#146;s charter provides that a director or officer of the
Registrant:</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;shall be indemnified by the Registrant against all expenses (including attorneys&#146; fees),
judgments, fines and amounts paid in settlement incurred in connection with any litigation or other
legal proceeding (other than an action by or in the right of the Registrant) brought against such
person by virtue of his or her position as a director or officer of the Registrant if such person
acted in good faith and in a manner he or she reasonably believed to be in, or not opposed to, the
best interests of the Registrant, and, with respect to any criminal action or proceeding, had no
reasonable cause to believe his or her conduct was unlawful and</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;shall be indemnified by the Registrant against all expenses (including attorneys&#146; fees)
and amounts paid in settlement incurred in connection with any action by or in the right of the
Registrant brought against such person by virtue of his or her position as a director or officer of
the Registrant if such person acted in good faith and in a manner he or she reasonably believed to
be in, or not opposed to, the best interests of the Registrant, except that no indemnification
shall be made with respect to any matter as to which such person shall have been adjudged to be
liable to the Registrant, unless a court determines that, despite such adjudication but in view of
all of the circumstances, he or she is entitled to indemnification of such expenses.</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Notwithstanding the foregoing, to the extent that a director or officer has been successful,
on the merits or otherwise, including the dismissal of an action without prejudice, such person is
required to be indemnified by the Registrant against all expenses (including attorneys&#146; fees)
incurred in connection therewith. Expenses shall be advanced to a director or officer at his or her
request, provided that such person undertakes to repay the amount advanced if it is ultimately
determined that he or she is not entitled to indemnification for such expenses.</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indemnification is required to be made unless the Registrant determines that the applicable
standard of conduct required for indemnification has not been met. In the event of a determination
by the Registrant that the director or officer did not meet the applicable standard of conduct
required for indemnification, or if the Registrant fails to make an indemnification payment within
60&nbsp;days after such payment is claimed by such person, such person is permitted to petition the
court to make an independent determination as to whether such person is entitled to
indemnification. As a condition precedent to the right of indemnification, the director or officer
must give the Registrant notice of the action for which indemnity is sought and the Registrant has
the right to participate in such action or assume the defense thereof.</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Article&nbsp;Ninth of the Registrant&#146;s charter further provides that the indemnification provided
therein is not exclusive, and provides that in the event that the Delaware General Corporation Law
is amended to expand the indemnification permitted to directors or officers the Registrant must
indemnify those persons to the fullest extent permitted by such law as so amended.</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The indemnification provisions contained in our charter and by-laws are not exclusive of any
other rights to which a person</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio --></DIV>
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">may be entitled by law, agreement, vote of stockholders or disinterested directors, or
otherwise. In addition, we maintain insurance on behalf of our directors and officers insuring them
against liabilities asserted against them in their capacities as directors or officers or arising
out of such statuses.</DIV>

<!-- link2 "Item&nbsp;7. Exemption from Registration Claimed" -->

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;7. Exemption from Registration Claimed.</B></DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.</DIV>
<!-- link2 "Item&nbsp;8. Exhibits" -->

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;8. Exhibits.</B></DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The following exhibits are included as part of this registration statement.</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="5%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="54%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Filed with</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="7" style="border-bottom: 1px solid #000000"><B>Incorporated by reference</B></TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center"><B>Exhibit</B></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>this Form</B></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Filing Date with</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Exhibit</B></TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Number</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Description</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>S-8</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Form</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>SEC</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>Number</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.1</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amended and Restated Certificate
of Incorporation of Art
Technology Group, Inc.
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">S-8
</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top"><FONT style="white-space: nowrap">June&nbsp;12, 2003</FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">4.1</TD>
    <TD nowrap valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.2</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amended and Restated By-Laws of
Art Technology Group, Inc.
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">S-3
</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">July&nbsp;6, 2001
</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">4.2</TD>
    <TD nowrap valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.3</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Specimen common stock certificate
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">S-1/A
</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">July&nbsp;13, 1999
</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">4</TD>
    <TD nowrap valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.4</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Rights Agreement dated September
26, 2001 between Art Technology
Group, Inc. and Computershare
Investor Services f/k/a
EquiServe Trust Company, N.A.,
as rights agent
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">8-K
</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top"><FONT style="white-space: nowrap">October&nbsp;2, 2001</FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">4.1</TD>
    <TD nowrap valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.5</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Art Technology Group, Inc. 1999
Employee Stock Purchase Plan, as
amended
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">X</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Legal opinion of Foley Hoag LLP
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">X</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Ernst &#038; Young LLP
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">X</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Foley Hoag LLP
(contained in Exhibit&nbsp;5.1)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">X</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">24.1</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Power of Attorney (included on
the signature page of this
registration statement)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">X</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE></DIV>

<!-- link2 "Item&nbsp;9. Undertakings" -->

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;9. Undertakings.</B></DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Incorporated by reference to the Original Registration Statements.</DIV>
<!-- link1 "SIGNATURES" -->

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SIGNATURES</B></DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it
has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and
has duly caused this registration statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the City of Cambridge, Commonwealth of
Massachusetts, on this 2nd day
of November, 2009.</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left"><B>ART TECHNOLOGY GROUP, INC.</B><BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Robert D. Burke
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Robert D. Burke &nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">President and Chief Executive Officer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>

</TABLE>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio --></DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>POWER OF ATTORNEY</B></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;KNOW ALL BY THESE PRESENTS that each individual whose signature appears below hereby
constitutes and appoints Robert D. Burke and Julie M.B. Bradley, and each of them, his or her true
and lawful attorneys-in-fact and agents with full power of substitution, for him or her and in his
or her name, place and stead, in any and all capacities, to sign any and all amendments (including
post-effective amendments) to this registration statement, and to file the same, with all exhibits
thereto, and all documents in connection therewith, with the Securities and Exchange Commission,
granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do
and perform each and every act and thing which they, or any of them, may deem necessary or
advisable to be done in connection with this registration statement, as fully to all intents and
purposes as he or she might or could do in person, hereby ratifying and confirming all that said
attorneys-in-fact and agents or any of them, or any substitute or substitutes for him or her, or
any or all of them, may lawfully do or cause to be done by virtue hereof.</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act, this registration statement has been
signed by the following persons in the indicated capacities as of
this 2nd day of November, 2009.</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="31%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="64%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Signature</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Title</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="font-size:6pt"><TD>&nbsp;</TD></TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Robert D. Burke</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">President, Chief Executive Officer and Director</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Robert D. Burke</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><I>(Principal Executive Officer)</I></TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Julie M.B. Bradley</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Senior Vice President and Chief Financial Officer</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Julie M.B. Bradley</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><I>(Principal Financial and Accounting Officer)</I></TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Daniel C. Regis</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Chairman of the Board</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Daniel C. Regis</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Michael A. Brochu</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Michael A. Brochu</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ David B. Elsbree</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">David B. Elsbree</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ John R. Held</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">John R. Held</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Ilene H. Lang</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Ilene H. Lang</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Mary E. Makela</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Mary E. Makela</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Phyllis S. Swersky</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Phyllis S. Swersky</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE></DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio --></DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">

<!-- link1 "EXHIBIT INDEX" -->

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>EXHIBIT INDEX</B></DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="5%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="54%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Filed with</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="7" style="border-bottom: 1px solid #000000"><B>Incorporated by reference</B></TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center"><B>Exhibit</B></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>this Form</B></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Filing date with</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Exhibit</B></TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Number</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Description</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>S-8</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Form</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>SEC</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>number</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.1</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amended and Restated Certificate
of Incorporation of Art
Technology Group, Inc.
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">S-8
</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top"><FONT style="white-space: nowrap">June&nbsp;12, 2003</FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">4.1</TD>
    <TD nowrap valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.2</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amended and Restated By-Laws of
Art Technology Group, Inc.
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">S-3
</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">July&nbsp;6, 2001
</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">4.2</TD>
    <TD nowrap valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.3</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Specimen common stock certificate
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">S-1/A
</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">July&nbsp;13, 1999
</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">4</TD>
    <TD nowrap valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.4</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Rights Agreement dated September
26, 2001 between Art Technology
Group, Inc. and Computershare
investor Services, f/k/a
EquiServe Trust Company, N.A.,
as rights agent
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">8-K
</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top"><FONT style="white-space: nowrap">October&nbsp;2, 2001</FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">4.1</TD>
    <TD nowrap valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.5</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Art Technology Group, Inc. 1999
Employee Stock Purchase Plan, as
amended
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">X</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Legal opinion of Foley Hoag LLP
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">X</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Ernst &#038; Young LLP
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">X</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Foley Hoag LLP
(contained in Exhibit&nbsp;5.1)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">X</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="right" valign="top"><DIV style="margin-left:0px; text-indent:-0px">24.1</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Power of Attorney (included on
the signature page of this
registration statement)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">X</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
</TR>
</TABLE></DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio --></DIV>
</BODY>
</HTML>
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sv8
As
filed with the Securities and Exchange Commission on November 2, 2009
Registration No. 333 —
•
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
Art Technology Group, Inc.
(Exact name of registrant as specified in its charter)
Delaware
04-3141918
(State or other jurisdiction of incorporation or organization)
(I.R.S. employer identification no.)
One Main Street, Cambridge, Massachusetts
02142
(Address of principal executive offices)
(Zip code)
1999 Employee Stock Purchase Plan
(Full title of the plan)
Robert D. Burke
President and Chief Executive Officer
Art Technology Group, Inc.
One Main Street
Cambridge, Massachusetts 02142
(Name and address of agent for service)
(617) 386-1000
(Telephone number, including area code, of agent for service)
Copies to:
John D. Patterson, Jr., Esq.
Robert W. Sweet, Jr., Esq.
Foley Hoag LLP
Seaport World Trade Center West
155 Seaport Boulevard
Boston, Massachusetts 02210
Telephone: (617) 832-1000
Telecopy: (617) 832-7000
Indicated by check mark whether the registrant is a large accelerated filer, an
accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of
"large accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the
Exchange Act. (Check one):
Large accelerated filer
o
Accelerated filer
þ
Non-accelerated filer
o
Smaller reporting company
o
(Do not check if a smaller reporting company)
CALCULATION OF REGISTRATION FEE
Title of
Amount
Proposed maximum
Proposed maximum
Amount of
securities to be
to be
offering price
aggregate
registration
registered
registered
per share
offering price
fee
Common stock, $0.01 par value (1)
1,500,000 (2)(3)
$4.075 (4)
$6,112,500
$341.08
(1)
Each share includes one right to purchase shares of the Registrant's series A junior participating
preferred stock pursuant to the terms of a Rights Agreement, dated September 26, 2001, between the
Registrant and EquiServe Trust Company, N.A.
(2)
Represents shares of the Registrant's common stock issuable pursuant to awards granted under the
1999 Employee Stock Purchase Plan, as amended, of Art Technology Group, Inc. (the "
1999 Employee
Stock Plan
").
(3)
Pursuant to Rule 416(a) under the Securities Act, this Registration Statement shall also cover any
additional shares of the Registrant's common stock that become issuable under the 1999 Employee
Stock Plan by reason of any stock dividend, stock split, recapitalization or other similar
transaction effected without the receipt of consideration that increases the number of the
Registrant's outstanding shares of common stock.
(4)
The proposed maximum offering price per share has been estimated in accordance with Rule 457(c) and
Rule 457(h) under the Securities Act solely for the purpose of calculating the registration fee of
shares reserved for future issuance based on the average of the high and low price of the
Registrant's common stock as quoted on the Nasdaq Global Market
on October 29, 2009.
This Registration Statement is filed pursuant to General Instruction E to Form S-8 by Art
Technology Group, Inc., a Delaware corporation (the "
Registrant
") to register 1,500,000 shares of
the Registrant's common stock, $0.01 par value per share, issuable pursuant to the Registrant's
1999 Employee Stock Purchase Plan, as amended, ("
1999 Employee Stock Plan
"), which shares are in
addition to those previously registered on the Forms S-8 (File Nos. 333-83321, 333-100003,
333-106058, and 333-135487) filed with the Securities and Exchange Commission on July 21, 1999,
September 23, 2002, June 12, 2003, and June 30, 2006, respectively (the "
Original Registration
Statements
").
PART II
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 3. Incorporation of Documents by Reference.
The Registrant incorporates herein by reference the contents of the previously filed Original
Registration Statements and the following documents filed with the Securities and Exchange
Commission:
(a)
the Registrant's Annual Report on Form 10-K for the year ended December 31, 2008, as
filed with the Commission pursuant to Section 13 of the Exchange Act on March 2, 2009;
(b)
the Registrant's Quarterly Reports on Form 10-Q filed on May 8, 2009 and August 6, 2009,
and Form 10-Q/A
filed on August 26, 2009;
(c)
the portions of the Registrant's Proxy Statement for the 2009 annual meeting of
stockholders, as filed with the Commission on April 21, 2009, that are deemed "filed"
under the Securities Exchange Act of 1934, as amended;
(d)
the Registrant's Current Reports on Form 8-K filed on March 30, 2009 and May 27, 2009; and
(e)
the description of the Registrant's common stock and related preferred stock purchase
rights contained in the Registrant's registration statement on Form 8-A filed on July 12,
1999, together with amendments and reports filed for the purpose of updating that
description, including Amendment No. 1 to Form 8-A filed on October 2, 2001; and
(f)
the description of the Registrant's Series A junior participating preferred stock
contained in Exhibit A to the Rights Agreement dated September 26, 2001 between us and
EquiServe Trust Company, N.A., as Rights Agent, incorporated by reference to Exhibit 4.1
to Registrant's current report on Form 8-K filed with the SEC on October 2, 2001, and all
amendments and reports updating such description.
All documents subsequently filed by Registrant pursuant to Sections 13(a), 13(c), 14 and 15(d)
of the Exchange Act, prior to the filing of a post-effective amendment which indicates that all
securities offered have been sold or which deregisters all securities then remaining unsold, shall
be deemed to be incorporated by reference in this registration statement and to be a part hereof
from the dates of filing of those documents.
Under no circumstances will any information filed or furnished under items 2.02, 7.01 or 9.01
of Form 8-K be deemed incorporated herein by reference unless such Form 8-K expressly provides to
the contrary. Similarly, under no circumstances will any information filed or furnished under item
8.01 of Form 8-K solely for purposes of satisfying the requirements of Regulation FD of the
Exchange Act be deemed incorporated herein by reference unless such Form 8-K expressly provides to
the contrary. The Registrant does not incorporate the contents of its website into this
prospectus.
You may request a copy of the filings incorporated by reference herein, at no cost, by writing
or telephoning the Registrant at:
Art Technology Group, Inc.
One Main Street
Cambridge, Massachusetts 02142
(617) 386-1000
You should rely only on the information provided or incorporated by reference in this
registration statement or any related prospectus. The Registrant has not authorized anyone to
provide you with different information. You should not assume that the information in this
registration statement or any related prospectus is accurate as of any date other than the date on
the front of the document.
Item 4. Description of Securities.
Not applicable.
Item 5. Interests of Named Experts and Counsel.
The validity of the securities registered hereby is being passed upon for the Registrant by
Foley Hoag LLP, Boston, Massachusetts.
Item 6. Indemnification of Directors and Officers.
Section 102 of the Delaware General Corporation Law allows a corporation to eliminate the
personal liability of directors of a corporation to the corporation or its stockholders for
monetary damages for a breach of fiduciary duty as a director, except where the director breached
his duty of loyalty, failed to act in good faith, engaged in intentional misconduct or knowingly
violated a law, authorized the payment of a dividend or approved a stock repurchase in violation of
Delaware corporate law or obtained an improper personal benefit. The Registrant has included such a
provision in its charter.
Section 145 of the Delaware General Corporation Law provides that a corporation has the power
to indemnify a director, officer, employee or agent of the corporation and certain other persons
serving at the request of the corporation in related capacities against amounts paid and expenses
incurred in connection with an action or proceeding to which such person is or is threatened to be
made a party by reason of such position, if such person shall have acted in good faith and in a
manner he or she reasonably believed to be in or not opposed to the best interests of the
corporation, and, in any criminal proceeding, if such person had no reasonable cause to believe his
or her conduct was unlawful; provided that, in the case of actions brought by or in the right of
the corporation, no indemnification shall be made with respect to any matter as to which such
person shall have been adjudged to be liable to the corporation unless and only to the extent that
the adjudicating court determines that such indemnification is proper under the circumstances.
Article Eighth of the Registrant's charter provides that no director of the Registrant shall
be personally liable for any monetary damages for any breach of fiduciary duty as a director,
except to the extent that the Delaware General Corporation Law prohibits the elimination or
limitation of liability of directors for breach of fiduciary duty.
Article Ninth of the Registrant's charter provides that a director or officer of the
Registrant:
(a) shall be indemnified by the Registrant against all expenses (including attorneys' fees),
judgments, fines and amounts paid in settlement incurred in connection with any litigation or other
legal proceeding (other than an action by or in the right of the Registrant) brought against such
person by virtue of his or her position as a director or officer of the Registrant if such person
acted in good faith and in a manner he or she reasonably believed to be in, or not opposed to, the
best interests of the Registrant, and, with respect to any criminal action or proceeding, had no
reasonable cause to believe his or her conduct was unlawful and
(b) shall be indemnified by the Registrant against all expenses (including attorneys' fees)
and amounts paid in settlement incurred in connection with any action by or in the right of the
Registrant brought against such person by virtue of his or her position as a director or officer of
the Registrant if such person acted in good faith and in a manner he or she reasonably believed to
be in, or not opposed to, the best interests of the Registrant, except that no indemnification
shall be made with respect to any matter as to which such person shall have been adjudged to be
liable to the Registrant, unless a court determines that, despite such adjudication but in view of
all of the circumstances, he or she is entitled to indemnification of such expenses.
Notwithstanding the foregoing, to the extent that a director or officer has been successful,
on the merits or otherwise, including the dismissal of an action without prejudice, such person is
required to be indemnified by the Registrant against all expenses (including attorneys' fees)
incurred in connection therewith. Expenses shall be advanced to a director or officer at his or her
request, provided that such person undertakes to repay the amount advanced if it is ultimately
determined that he or she is not entitled to indemnification for such expenses.
Indemnification is required to be made unless the Registrant determines that the applicable
standard of conduct required for indemnification has not been met. In the event of a determination
by the Registrant that the director or officer did not meet the applicable standard of conduct
required for indemnification, or if the Registrant fails to make an indemnification payment within
60 days after such payment is claimed by such person, such person is permitted to petition the
court to make an independent determination as to whether such person is entitled to
indemnification. As a condition precedent to the right of indemnification, the director or officer
must give the Registrant notice of the action for which indemnity is sought and the Registrant has
the right to participate in such action or assume the defense thereof.
Article Ninth of the Registrant's charter further provides that the indemnification provided
therein is not exclusive, and provides that in the event that the Delaware General Corporation Law
is amended to expand the indemnification permitted to directors or officers the Registrant must
indemnify those persons to the fullest extent permitted by such law as so amended.
The indemnification provisions contained in our charter and by-laws are not exclusive of any
other rights to which a person
may be entitled by law, agreement, vote of stockholders or disinterested directors, or
otherwise. In addition, we maintain insurance on behalf of our directors and officers insuring them
against liabilities asserted against them in their capacities as directors or officers or arising
out of such statuses.
Item 7. Exemption from Registration Claimed.
Not applicable.
Item 8. Exhibits.
The following exhibits are included as part of this registration statement.
Filed with
Incorporated by reference
Exhibit
this Form
Filing Date with
Exhibit
Number
Description
S-8
Form
SEC
Number
4.1
Amended and Restated Certificate
of Incorporation of Art
Technology Group, Inc.
S-8
June 12, 2003
4.1
4.2
Amended and Restated By-Laws of
Art Technology Group, Inc.
S-3
July 6, 2001
4.2
4.3
Specimen common stock certificate
S-1/A
July 13, 1999
4
4.4
Rights Agreement dated September
26, 2001 between Art Technology
Group, Inc. and Computershare
Investor Services f/k/a
EquiServe Trust Company, N.A.,
as rights agent
8-K
October 2, 2001
4.1
4.5
Art Technology Group, Inc. 1999
Employee Stock Purchase Plan, as
amended
X
5.1
Legal opinion of Foley Hoag LLP
X
23.1
Consent of Ernst & Young LLP
X
23.2
Consent of Foley Hoag LLP
(contained in Exhibit 5.1)
X
24.1
Power of Attorney (included on
the signature page of this
registration statement)
X
Item 9. Undertakings.
Incorporated by reference to the Original Registration Statements.
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it
has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and
has duly caused this registration statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the City of Cambridge, Commonwealth of
Massachusetts, on this 2nd day
of November, 2009.
ART TECHNOLOGY GROUP, INC.
By:
/s/ Robert D. Burke
Robert D. Burke
President and Chief Executive Officer
POWER OF ATTORNEY
KNOW ALL BY THESE PRESENTS that each individual whose signature appears below hereby
constitutes and appoints Robert D. Burke and Julie M.B. Bradley, and each of them, his or her true
and lawful attorneys-in-fact and agents with full power of substitution, for him or her and in his
or her name, place and stead, in any and all capacities, to sign any and all amendments (including
post-effective amendments) to this registration statement, and to file the same, with all exhibits
thereto, and all documents in connection therewith, with the Securities and Exchange Commission,
granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do
and perform each and every act and thing which they, or any of them, may deem necessary or
advisable to be done in connection with this registration statement, as fully to all intents and
purposes as he or she might or could do in person, hereby ratifying and confirming all that said
attorneys-in-fact and agents or any of them, or any substitute or substitutes for him or her, or
any or all of them, may lawfully do or cause to be done by virtue hereof.
Pursuant to the requirements of the Securities Act, this registration statement has been
signed by the following persons in the indicated capacities as of
this 2nd day of November, 2009.
Signature
Title
/s/ Robert D. Burke
President, Chief Executive Officer and Director
Robert D. Burke
(Principal Executive Officer)
/s/ Julie M.B. Bradley
Senior Vice President and Chief Financial Officer
Julie M.B. Bradley
(Principal Financial and Accounting Officer)
/s/ Daniel C. Regis
Chairman of the Board
Daniel C. Regis
/s/ Michael A. Brochu
Director
Michael A. Brochu
/s/ David B. Elsbree
Director
David B. Elsbree
/s/ John R. Held
Director
John R. Held
/s/ Ilene H. Lang
Director
Ilene H. Lang
/s/ Mary E. Makela
Director
Mary E. Makela
/s/ Phyllis S. Swersky
Director
Phyllis S. Swersky
EXHIBIT INDEX
Filed with
Incorporated by reference
Exhibit
this Form
Filing date with
Exhibit
Number
Description
S-8
Form
SEC
number
4.1
Amended and Restated Certificate
of Incorporation of Art
Technology Group, Inc.
S-8
June 12, 2003
4.1
4.2
Amended and Restated By-Laws of
Art Technology Group, Inc.
S-3
July 6, 2001
4.2
4.3
Specimen common stock certificate
S-1/A
July 13, 1999
4
4.4
Rights Agreement dated September
26, 2001 between Art Technology
Group, Inc. and Computershare
investor Services, f/k/a
EquiServe Trust Company, N.A.,
as rights agent
8-K
October 2, 2001
4.1
4.5
Art Technology Group, Inc. 1999
Employee Stock Purchase Plan, as
amended
X
5.1
Legal opinion of Foley Hoag LLP
X
23.1
Consent of Ernst & Young LLP
X
23.2
Consent of Foley Hoag LLP
(contained in Exhibit 5.1)
X
24.1
Power of Attorney (included on
the signature page of this
registration statement)
X