<SUBMISSION>
<ACCESSION-NUMBER>0000857005-09-000015
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20090303
<ITEMS>5.02
<FILING-DATE>20090309
<DATE-OF-FILING-DATE-CHANGE>20090309
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>PARAMETRIC TECHNOLOGY CORP
<CIK>0000857005
<ASSIGNED-SIC>7372
<IRS-NUMBER>042866152
<STATE-OF-INCORPORATION>MA
<FISCAL-YEAR-END>0930
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>000-18059
<FILM-NUMBER>09666226
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>140 KENDRICK STREET
<CITY>NEEDHAM
<STATE>MA
<ZIP>02494
<PHONE>7813705000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>140 KENDRICK STREET
<CITY>NEEDHAM
<STATE>MA
<ZIP>02494
</MAIL-ADDRESS>
</FILER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>form8k.htm
<DESCRIPTION>FORM 8-K
<TEXT>
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<TITLE> </TITLE>
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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font SIZE=2>UNITED STATES</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font SIZE=2>SECURITIES AND EXCHANGE COMMISSION</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><b><font size=2>WASHINGTON, DC 20549</font></b></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font SIZE=2>FORM 8-K</font></B></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><b><font size=2>CURRENT REPORT PURSUANT</font></b></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><b><font size=2>TO SECTION 13 OR 15(D) OF THE</font></b></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><b><font size=2>SECURITIES EXCHANGE ACT OF 1934</font></b></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>


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        <td width="319" valign=top style='border-bottom:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Date of report (Date of earliest event reported)</font></p> </td>

        <td width="319" valign=top style='border-bottom:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><b><font size=2>March 3, 2009</font></b></p> </td> </tr>
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        <td  colspan="2" valign=top style=' padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td> </tr>
    <tr >

        <td  colspan="2" valign=top style=' border-bottom:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt'>
<p
style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><b><font size=2>Parametric Technology Corporation</font></b></p> </td> </tr>
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        <td  colspan="2" valign=top style=' padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>(Exact Name of Registrant as Specified in Its Charter)</font></p> </td> </tr>
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        <td  colspan="2" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td> </tr>
    <tr >

        <td  colspan="2" valign=top style=' border-bottom:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><b><font size=2>Massachusetts</font></b></p> </td> </tr>
    <tr >

        <td  colspan="2" valign=top style=' padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>(State or Other Jurisdiction of Incorporation)</font></p> </td> </tr>
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        <td  colspan="2" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td> </tr>
    <tr >

        <td width="319" valign=top style='border-bottom:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><b><font size=2>0-18059</font></b></p> </td>

        <td width="319" valign=top style='border-bottom:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><b><font size=2>04-2866152</font></b></p> </td> </tr>
    <tr >

        <td width="319" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>(Commission File Number)</font></p> </td>

        <td width="319" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>(IRS Employer Identification No.)</font></p> </td> </tr>
    <tr >

        <td  colspan="2" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td> </tr>
    <tr >

        <td width="319" valign=top style='border-bottom:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><b><font size=2>140 Kendrick Street</font></b></p>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><b><font size=2>Needham, Massachusetts</font></b></p> </td>

        <td width="319" valign=top style='border-bottom:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p>
<p style='margin-left:0pt;text-indent:85.5pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><b><font size=2>02494-2714</font></b></p> </td> </tr>
    <tr >

        <td width="319" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>(Address of Principal Executive Offices)</font></p> </td>

        <td width="319" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>(Zip Code)</font></p> </td> </tr>
    <tr >

        <td  colspan="2" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td> </tr>
    <tr >

        <td  colspan="2" valign=top style=' border-bottom:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><b><font size=2>(781) 370-5000</font></b></p> </td> </tr>
    <tr >

        <td  colspan="2" valign=top style=' padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>(Registrant&#146;s Telephone Number, Including Area Code)</font></p> </td> </tr>
    <tr >

        <td  colspan="2" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td> </tr>
    <tr >

        <td  colspan="2" valign=top style=' border-bottom:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td> </tr>
    <tr >

        <td  colspan="2" valign=top style=' padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:center;margin-top:0pt;margin-bottom:0pt'><font size=2>(Former Name or Former Address, if Changed Since Last Report)</font></p> </td> </tr></table>
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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:justify;'><font size=2>&nbsp;</font></p>


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<p style='margin-left:0pt;text-indent:12.75pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>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><i><font size=2>see </font></i><font size=2>General Instruction A.2. below):</font></p> </td> </tr>
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<p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td> </tr>
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        <td width="32" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:right;margin-top:0pt;margin-bottom:0pt'><font face=Wingdings>o</font></p> </td>

        <td width="606" valign=top>
<p style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</font></p> </td> </tr>
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        <td width="32" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:right;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>

        <td width="606" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td> </tr>
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        <td width="32" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:right;margin-top:0pt;margin-bottom:0pt'><font face=Wingdings>o</font></p> </td>

        <td width="606" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</font></p> </td> </tr>
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        <td width="32" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:right;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>

        <td width="606" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td> </tr>
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        <td width="32" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:right;margin-top:0pt;margin-bottom:0pt'><font face=Wingdings>o</font></p> </td>

        <td width="606" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</font></p> </td> </tr>
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        <td width="32" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:right;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>

        <td width="606" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td> </tr>
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        <td width="32" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:right;margin-top:0pt;margin-bottom:0pt'><font face=Wingdings>o</font></p> </td>

        <td width="606" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><font size=2>Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</font></p> </td> </tr></table>
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<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.25in;text-align:center;'><font face="Arial" size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<div TITLE="EE+ Page Break" STYLE="PAGE-BREAK-AFTER: always">

<HR noshade align="center" width="100%" size="2">
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<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.25in;text-align:center;'>
<b><font size=2> Section 5 &#150; Corporate Governance and Management</font></b></p>

<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.25in;text-align:justify;'><font size=2>&nbsp;</font></p>


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        <td width="84" valign=top >
<p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><b><font size=2>Item 5.02.</font></b></p> </td>

        <td  valign=top >
<p style='margin-left:0pt;text-indent:0pt;text-align:justify;margin-top:0pt;margin-bottom:0pt'><b><font size=2>Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers</font></b></p> </td> </tr></table>
</div>


<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.25in;text-align:justify;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><u><b><font size=2>Ancillary Incentive Plan</font></b></u></p>

<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.25in;text-align:left;'><font size=2>On March 3, 2009, the Compensation Committee of the Board of Directors established an ancillary incentive plan for PTC&#146;s executive officers in recognition of the fact that market conditions had deteriorated significantly since the annual incentive plan was established in November&nbsp;2008 and based on the committee&#146;s belief that executives were unlikely to achieve any of the performance criteria established at that time.  Accordingly, in order to provide an incentive for those officers to achieve desired company performance for the year, the committee established an ancillary incentive plan under which executives will have an opportunity to earn a portion of their fiscal 2009 target annual incentive.  These amounts will be earned only if PTC achieves an established target of non-GAAP operating margin dollars for the second half of fiscal 2009.  Amounts will be earned under the
plan only if no amounts are earned under the annual incentive plan established in November 2008.  The plan will be funded with restricted stock units that, if earned, will vest on the later of November&nbsp;15, 2009 and the date the Compensation Committee determines that the performance target has been met.  The number of restricted stock units that would be earned by each of the executive officers under the plan if the target is met is set forth below.</font></p>

<p style=' margin-bottom:0pt; margin-top:0pt; text-indent:0.25in;text-align:left;'><font size=2>&nbsp;</font></p>


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<table border="0" cellspacing=0 cellpadding=0 width="336" style='margin-left:72.9pt;border-collapse:collapse; '>
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        <td width="198" valign=bottom style='border-bottom:  solid black 1.0pt;  padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0in;text-indent:0pt;text-align:left;margin-top:6.0pt;margin-bottom:  0in'><b><font  size=2>Name</font></b></p>  </td>

        <td width="30" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0in;text-indent:0pt;text-align:center;margin-top:1.0pt;margin-bottom:0in'><font size=1>&nbsp;</font></p>  </td>

        <td width="108" valign=bottom style='border-bottom:  solid black 1.0pt;  padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0in;text-indent:12.0pt;text-align:center;margin-top:6.0pt;margin-bottom:0in'><b><font  size=2>RSUs</font></b></p>  </td> </tr>
    <tr style='height:.1in'>

        <td width="198" valign=top style='padding:0in 5.4pt 0in 5.4pt;height:.1in'>
<p
style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:6.0pt;margin-bottom:6pt'><b><font size=2>C. Richard Harrison</font></b></p> </td>

        <td width="30" valign=top style='padding:0in 5.4pt 0in 5.4pt; height:.1in'>
<p style='margin-left:0pt;text-indent:12.6pt;text-align:center;margin-top:6.0pt;margin-bottom:6pt'><font size=1>&nbsp;</font></p> </td>

        <td width="108" valign=top style='padding:0in 5.4pt 0in 5.4pt;height:.1in'>
<p style='margin-left:0pt;text-indent:12.6pt;text-align:center;margin-top:6.0pt;margin-bottom:6pt'><b><font size=2>154,172</font></b></p> </td> </tr>
    <tr >

        <td width="198" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:6pt'><b><font size=2>James E. Heppelmann</font></b></p> </td>

        <td width="30" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:12.6pt;text-align:center;margin-top:0pt;margin-bottom:6pt'><font size=1>&nbsp;</font></p> </td>

        <td width="108" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:12.6pt;text-align:center;margin-top:0pt;margin-bottom:6pt'><b><font size=2>72,225</font></b></p> </td> </tr>
    <tr >

        <td width="198" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:6pt'><b><font size=2>Barry F. Cohen</font></b></p> </td>

        <td width="30" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:12.6pt;text-align:center;margin-top:0pt;margin-bottom:6pt'><font size=1>&nbsp;</font></p> </td>

        <td width="108" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:12.6pt;text-align:center;margin-top:0pt;margin-bottom:6pt'><b><font size=2>34,922</font></b></p> </td> </tr>
    <tr >

        <td width="198" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:6pt'><b><font size=2>Paul J. Cunningham</font></b></p> </td>

        <td width="30" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:12.6pt;text-align:center;margin-top:0pt;margin-bottom:6pt'><font size=1>&nbsp;</font></p> </td>

        <td width="108" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:12.6pt;text-align:center;margin-top:0pt;margin-bottom:6pt'><b><font size=2>34,922</font></b></p> </td> </tr>
    <tr >

        <td width="198" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:6pt'><b><font size=2>Cornelius F. Moses</font></b></p> </td>

        <td width="30" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:12.6pt;text-align:center;margin-top:0pt;margin-bottom:6pt'><font size=1>&nbsp;</font></p> </td>

        <td width="108" valign=top style='padding:0in 5.4pt 0in 5.4pt'>
<p style='margin-left:0pt;text-indent:12.6pt;text-align:center;margin-top:0pt;margin-bottom:6pt'><b><font size=2>41,235</font></b></p> </td> </tr>
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<p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:6pt'><b><font size=2>Anthony DiBona</font></b></p> </td>

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<p style='margin-left:0pt;text-indent:12.6pt;text-align:center;margin-top:0pt;margin-bottom:6pt'><font size=1>&nbsp;</font></p> </td>

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<p style='margin-left:0pt;text-indent:12.6pt;text-align:center;margin-top:0pt;margin-bottom:6pt'><b><font size=2>25,065</font></b></p> </td> </tr>
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<p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:6pt'><b><font size=2>Aaron C. von Staats</font></b></p> </td>

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<p style='margin-left:0pt;text-indent:12.6pt;text-align:center;margin-top:0pt;margin-bottom:6pt'><font size=1>&nbsp;</font></p> </td>

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<p style='margin-left:0pt;text-indent:12.6pt;text-align:center;margin-top:0pt;margin-bottom:6pt'><b><font size=2>16,360</font></b></p> </td> </tr></table>
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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><B><font SIZE=2>SIGNATURES</font></B></p>

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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>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>

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<p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>Parametric Technology Corporation</font></p> </td> </tr></table>
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<p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:1.0pt;margin-bottom:0pt'><font size=2>Date:  March 9, 2009</font></p> </td>

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<p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>/s/Aaron C. von Staats</font></p> </td>

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<p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=1>&nbsp;</font></p> </td>

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<p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>Aaron C. von Staats</font></p> </td>

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<p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt'><font size=2>General Counsel &amp; Secretary</font></p> </td> </tr>
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