<SUBMISSION>
<ACCESSION-NUMBER>0001104659-07-056836
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>2
<PERIOD>20070723
<ITEMS>5.02
<ITEMS>9.01
<FILING-DATE>20070727
<DATE-OF-FILING-DATE-CHANGE>20070727
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>PROS Holdings, Inc.
<CIK>0001392972
<ASSIGNED-SIC>7371
<IRS-NUMBER>760168604
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>001-33554
<FILM-NUMBER>071006733
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>3100 MAIN STREET
<STREET2>SUITE 900
<CITY>HOUSTON
<STATE>TX
<ZIP>77002
<PHONE>713-335-5151
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>3100 MAIN STREET
<STREET2>SUITE 900
<CITY>HOUSTON
<STATE>TX
<ZIP>77002
</MAIL-ADDRESS>
</FILER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a07-20524_18k.htm
<DESCRIPTION>8-K
<TEXT>
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<div style="font-family:Times New Roman;">
 <div style="border:none;border-top:double windowtext 6.0pt;padding:0pt 0pt 0pt 0pt;"> <p style="border:none;margin:0pt 0pt .0001pt;padding:0pt;"><a name="scotch"></a><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p> </div>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">UNITED
STATES</font></b></p>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">SECURITIES
AND EXCHANGE COMMISSION</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">WASHINGTON,
D.C. 20549</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">FORM
8-K</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">PURSUANT
TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934</font></b></p>

<p align="center" style="font-size:10.0pt;margin:0pt 0pt 12.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date of Report
(Date of earliest event reported): </font>July 23, 2007</p>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">PROS
Holdings, Inc.</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Exact name of
registrant as specified in its charter)</font></p>

<div align="center">

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.8%;">
  <p align="center" style="font-size:10.0pt;margin:0pt 0pt .0001pt;text-align:center;"><!-- SET mrlNoTableShading --><b>Delaware</b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:2.38%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.8%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">76-0168604</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.8%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(State of
  incorporation or organization)</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:2.38%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.8%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(I.R.S. Employer
  Identification No.)</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.8%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:2.38%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.8%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.8%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:2.38%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.8%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.8%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">3100
  Main Street, Suite 900</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:2.38%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.8%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.8%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Houston,
  TX, 77002</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:2.38%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.8%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">(713)
  335-5151</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.8%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Address of
  principal executive offices)</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:2.38%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.8%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Registrant&#146;s
  Telephone Number)</font></p>
  </td>
 </tr>
</table>

</div>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Check the appropriate box
below if the Form 8-K filing is intended to simultaneously satisfy the filing
obligation of the registrant under any of the following provisions:</font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font face="Wingdings"> </font>Written communications pursuant
to Rule 425 under the Securities Act (17CFR230.425)</p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font face="Wingdings"> </font>Soliciting material pursuant to
Rule 14a-12 under the Exchange Act (17CFR240.14a-12)</p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font face="Wingdings"> </font>Pre-commencement communications
pursuant to Rule 14d-2(b) under the Exchange Act (17CFR240.14d-2(b))</p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font face="Wingdings"> </font>Pre-commencement communications
pursuant to Rule 13e-4(c) under the Exchange Act (17CFR240.13e-4(c))</p>

<p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>


 <div style="border:none;border-bottom:double windowtext 6.0pt;padding:0pt 0pt 0pt 0pt;"> <p style="border:none;margin:0pt 0pt .0001pt;padding:0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p> </div>
</div><br><hr size="3" width="100%" noshade color="#010101" align="center">

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<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0pt 0pt 12.0pt;"><strong><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">Item
5.02.</font></b></strong><font style="letter-spacing:27.0pt;"> </font><strong><b><font face="Times New Roman">Departure of Directors or Principal
Officers; Election of Directors; Appointment of Principal Officers;
Compensation Arrangements of Certain Officers.</font></b></strong></p>

<p style="margin:0pt 0pt 12.0pt;"><u><font size="2" face="Times New Roman" style="font-size:10.0pt;">(d)&#160; New Directors</font></u></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On July 23, 2007, the
Board of Directors (the &#147;Board&#148;) of PROS Holdings, Inc. (the &#147;Company&#148;),
appointed Messrs. Greg B. Petersen and Timothy V. Williams to the Board
(collectively, the &#147;New Directors&#148;) as directors of the Company, with immediate
effect to serve until the next annual meeting of stockholders of the Company or
until their earlier resignation or removal.&#160;
Mr. Petersen was also appointed as a member of the Board&#146;s Audit
Committee and Compensation Committee, and Mr. Williams was appointed as a
member of the Board&#146;s Audit Committee, Compensation Committee and Nominating
and Governance Committee.</font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The New Directors will be
compensated as non-employee directors of the Company for their service as
directors of the Company, including attendance at Board and committee meetings
in accordance with the Company&#146;s non-employee director compensation policy,
which is set forth in the Company&#146;s Registration Statement on Form S-1 as filed
with the Securities and Exchange Commission on April 4, 2007.&#160; Their compensation includes:</font></p>

<p style="font-size:10.0pt;margin:0pt 0pt 12.0pt 18.0pt;punctuation-wrap:simple;text-autospace:none;text-indent:-18.0pt;vertical-align:baseline;"><font size="2" face="Symbol" style="font-size:10.0pt;letter-spacing:-.1pt;">&#183;</font><font size="1" style="font-size:3.0pt;letter-spacing:-.1pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font style="letter-spacing:-.1pt;">$20,000 annual retainer;</font></p>

<p style="font-size:10.0pt;margin:0pt 0pt 12.0pt 18.0pt;punctuation-wrap:simple;text-autospace:none;text-indent:-18.0pt;vertical-align:baseline;"><font size="2" face="Symbol" style="font-size:10.0pt;letter-spacing:-.1pt;">&#183;</font><font size="1" style="font-size:3.0pt;letter-spacing:-.1pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font style="letter-spacing:-.1pt;">$12,500 annual retainer for each of the
Chairpersons of the Board&#146;s Audit Committee and Compensation Committee;</font></p>

<p style="font-size:10.0pt;margin:0pt 0pt 12.0pt 18.0pt;punctuation-wrap:simple;text-autospace:none;text-indent:-18.0pt;vertical-align:baseline;"><font size="2" face="Symbol" style="font-size:10.0pt;letter-spacing:-.1pt;">&#183;</font><font size="1" style="font-size:3.0pt;letter-spacing:-.1pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font style="letter-spacing:-.1pt;">$7,500 annual retainer to each member of the Board&#146;s
Audit Committee and Compensation Committee (excluding the Chairpersons of such
Committees);</font></p>

<p style="font-size:10.0pt;margin:0pt 0pt 12.0pt 18.0pt;punctuation-wrap:simple;text-autospace:none;text-indent:-18.0pt;vertical-align:baseline;"><font size="2" face="Symbol" style="font-size:10.0pt;letter-spacing:-.1pt;">&#183;</font><font size="1" style="font-size:3.0pt;letter-spacing:-.1pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font style="letter-spacing:-.1pt;">$1,000 fee for each member&#146;s in-person attendance
of any physical meeting of the Board;</font></p>

<p style="font-size:10.0pt;margin:0pt 0pt 12.0pt 18.0pt;punctuation-wrap:simple;text-autospace:none;text-indent:-18.0pt;vertical-align:baseline;"><font size="2" face="Symbol" style="font-size:10.0pt;letter-spacing:-.1pt;">&#183;</font><font size="1" style="font-size:3.0pt;letter-spacing:-.1pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font style="letter-spacing:-.1pt;">$750 fee for each member&#146;s in-person attendance of
any physical meeting of the Board&#146;s Audit Committee, Compensation Committee or
Nominating and Governance Committee; provided that such a director is a member
of the Committee;</font></p>

<p style="font-size:10.0pt;margin:0pt 0pt 12.0pt 18.0pt;punctuation-wrap:simple;text-autospace:none;text-indent:-18.0pt;vertical-align:baseline;"><font size="2" face="Symbol" style="font-size:10.0pt;letter-spacing:-.1pt;">&#183;</font><font size="1" style="font-size:3.0pt;letter-spacing:-.1pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font style="letter-spacing:-.1pt;">$500 fee for each member&#146;s attendance of any
meeting that is not in-person of the Board or the Board&#146;s Audit Committee,
Compensation Committee or Nominating and Governance Committee; provided that
such a director is a member of the Committee;</font></p>

<p style="font-size:10.0pt;margin:0pt 0pt 12.0pt 18.0pt;punctuation-wrap:simple;text-autospace:none;text-indent:-18.0pt;vertical-align:baseline;"><font size="2" face="Symbol" style="font-size:10.0pt;letter-spacing:-.1pt;">&#183;</font><font size="1" style="font-size:3.0pt;letter-spacing:-.1pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font style="letter-spacing:-.1pt;">Reimbursement for reasonable out-of-pocket
expenses incurred in connection with such director&#146;s attendance of the Board
and Committee meetings; and</font></p>

<p style="font-size:10.0pt;margin:0pt 0pt 12.0pt 18.0pt;punctuation-wrap:simple;text-autospace:none;text-indent:-18.0pt;vertical-align:baseline;"><font size="2" face="Symbol" style="font-size:10.0pt;letter-spacing:-.1pt;">&#183;</font><font size="1" style="font-size:3.0pt;letter-spacing:-.1pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font style="letter-spacing:-.1pt;">A grant of an option or other equity award for
30,000 shares of the Company&#146;s common stock, which shall vest monthly in equal
installments over the three years.&#160; On
June 27, 2007 the Board granted to each of Mr. Petersen and Mr. Williams a
stock option to acquire 30,000 shares of the Company&#146;s common stock at an
exercise price of $11.00 per share for advisory services they were rendering to
the Board.&#160; These options are immediately
exercisable and vest monthly in equal installments over the three year period
following June 27, 2007.&#160; </font>As a
result these earlier grants of stock options, Mr. Petersen and Mr. Williams
will not be receiving an additional equity awards or stock options in
connection with their appointment as members of the Board<font style="letter-spacing:-.1pt;">.</font></p>

<p style="font-size:10.0pt;margin:0pt 0pt 12.0pt;"><strong><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">Item
9.01.</font></b></strong><font style="letter-spacing:27.0pt;"> </font><strong><b><font face="Times New Roman">Financial Statements and Exhibits</font></b></strong></p>

<p style="margin:0pt 0pt 12.0pt;"><strong><b><u><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:normal;">(d) Exhibits </font></u></b></strong></p>

<p style="margin:0pt 0pt 12.0pt;"><strong><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:normal;">99.1 Press release dated July 27,
2007 (PROS Expand Board with Two New Independent Directors)</font></b></strong></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>


 <p style="margin:24.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2</font></p>
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<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SIGNATURES</font></b></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Pursuant to the
requirements of the Securities Exchange Act of 1934, the registrant has duly
caused this report to be signed on its behalf by the undersigned hereunto duly
authorized.</font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr style="page-break-inside:avoid;">
  <td width="49%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:49.56%;">
  <p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"><!-- SET mrlNoTableShading --></p>
  </td>
  <td width="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.98%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:48.46%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">PROS HOLDINGS, INC.</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="49%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:49.56%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.98%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;Date: July 27, 2007</font></p>
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  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Charles H. Murphy</font></p>
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  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Charles H. Murphy</font></p>
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  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief Financial Officer and Executive Vice President</font></p>
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<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>


 <p style="margin:24.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3</font></p>
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<p align="right" style="margin:0pt 0pt 12.0pt 36.0pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="right" style="margin:0pt 0pt 12.0pt 36.0pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Exhibit 99.1</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">PROS Expands Board with Two New
Independent Directors</font></b></p>

<p style="font-size:10.0pt;margin-left:0pt;margin-right:0pt;"><strong><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">Houston,
Texas &#151; July 27, 2007 &#151; </font></b></strong><font face="Times New Roman">PROS Holdings,
Inc. (NYSE: PRO), a leader in pricing and revenue optimization software, today
announced that two new independent directors, Timothy V. Williams and Greg B.
Petersen, have been appointed to the Company&#146;s Board of Directors. With the
addition of these directors, PROS&#146; Board has been expanded to seven directors,
three of whom are independent.</font></p>

<p style="margin-left:0pt;margin-right:0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#147;We are pleased to welcome these directors to
PROS&#146; Board,&#148; said Bert Winemiller, Chairman of the PROS Board of Directors. &#147;Tim
and Greg&#146;s experience as software company executives, including their
leadership of public company finance organizations, will add significant value
to the PROS Board of Directors and to our stockholders in their role as
independent directors.&#148;</font></p>

<p style="margin-left:0pt;margin-right:0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Biography of Timothy V. Williams</font></p>

<p style="margin-left:0pt;margin-right:0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Mr.&nbsp;Williams serves as Senior Vice
President and Chief Financial Officer of Blackbaud, a provider of software and
services to non-profit organizations, and has held this role since 2001. From
1994 to 2001, he served as Executive Vice President and Chief Financial Officer
of Mynd (now a subsidiary of Computer Sciences Corporation), a provider of
software and services to the insurance industry. Prior to that, Mr.&nbsp;Williams
worked at Holiday Inn, most recently as Executive Vice President and Chief
Financial Officer. Mr.&nbsp;Williams holds a BA from the University of Northern
Iowa.</font></p>

<p style="margin-left:0pt;margin-right:0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Biography of Greg B. Petersen</font></p>

<p style="margin-left:0pt;margin-right:0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Mr. Petersen is currently a private investor.
Previously, Mr.&nbsp;Petersen served as Executive Vice President from&nbsp;2005
to January&nbsp;2007 and as Senior Vice President and Chief Financial Officer
from 2001 to 2005 of Activant Solutions, a provider of business management
solutions to retail and wholesale distribution businesses. From 2000
until&nbsp;2001, Mr.&nbsp;Petersen served as Vice President of Finance of
Trilogy Software, a provider of enterprise software and business services, and
as its Treasurer from 1999 until&nbsp;2000. From&nbsp;1997 to 1999,
Mr.&nbsp;Petersen was Senior Vice President of Planning and Business
Development of RailTex, a shortline and regional rail service provider. From
1989 to&nbsp;1997, Mr.&nbsp;Petersen held various finance and strategy
positions at American Airlines, most recently as managing director of corporate
development. Mr.&nbsp;Petersen holds a&nbsp;BA in economics from Boston College
and an&nbsp;MBA from the Fuqua School of Business at Duke University.</font></p>

<p style="margin:0pt 0pt 12.0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">About PROS</font></b></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">PROS Holdings, Inc.
(NYSE: PRO) is a leading provider of pricing and revenue optimization software
products, specializing in price analytics, price execution and price
optimization. By using PROS&#146; software products, companies gain insight into
their pricing strategies, identify pricing-based profit leaks, optimize their
pricing decision making and improve their business processes and financial
performance. PROS&#146; software products implement advanced pricing</font></p>


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<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">science, which includes
operations research, forecasting and statistics. PROS&#146; high performance
software architecture supports real-time high volume transaction processing and
allows PROS to handle the processing and database requirements of the most
sophisticated and largest customers, including customers with 100s of
simultaneous users and sub-second electronic transactions. PROS also provides a
range of services that include analyzing a company&#146;s current pricing processes
and implementing software products to improve pricing performance. PROS has
implemented over 200 solutions across a range of industries in more than 40
countries.</font></p>

<p style="margin-left:0pt;margin-right:0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Founded in 1985, PROS
is headquartered in Houston, Texas. Today, PROS has over 300 employees, more
than 100 with advanced degrees and 20 with Ph.D.s. To learn more about PROS,
please visit www.prospricing.com.</font></p>

<p style="margin-left:0pt;margin-right:0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Forward-looking
Statements</font></p>

<p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">These
forward-looking statements, which are subject to risks, uncertainties and
assumptions about us, include, among other things, our anticipation that our
new directors will add significant value to our Board of Directors and to our
stockholders in their role as independent directors. These statements are only
predictions based on our current expectations and projections about future
events. Although we believe the expectations reflected in the forward-looking
statements are reasonable, we cannot guarantee future contributions to be made
by these directors. Because these forward-looking statements involve risks and
uncertainties, there are important factors that could cause our expectations to
differ materially from those expressed or implied by the forward- looking
statements.&#160; PROS Holdings, Inc.
disclaims any intention or obligation to update or revise any forward-looking
statements, whether as a result of new information, future events or otherwise.</font></p>

<p style="margin:5.0pt 0pt 12.0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Media Contact:</font></b></p>

<p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">PROS Corporate Communications</font></p>

<p style="margin:0pt 0pt .0001pt;"><u><font size="2" face="Times New Roman" style="font-size:10.0pt;">CorpComm@prospricing.com</font></u></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(713) 335-5197</font></p>

<p style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Investor Contact:</font></b>  <br>
PROS Investor Relations</p>

<p style="margin:0pt 0pt .0001pt;"><u><font size="2" face="Times New Roman" style="font-size:10.0pt;">IR@prospricing.com</font></u></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(713) 335-5879</font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>


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