<SUBMISSION>
<ACCESSION-NUMBER>0000950134-03-006592
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20030428
<FILING-DATE>20030428
<REPORTING-OWNER>
<COMPANY-DATA>
<CONFORMED-NAME>FIRST RESERVE GP IX INC
<CIK>0001168363
<RELATIONSHIP>OWNER
<IRS-NUMBER>912092542
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>4
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>1801 CALIFORNIA ST
<STREET2>SUITE 4110
<CITY>DENVER
<STATE>CO
<ZIP>80202
</MAIL-ADDRESS>
</REPORTING-OWNER>
<SUBJECT-COMPANY>
<COMPANY-DATA>
<CONFORMED-NAME>QUANTA SERVICES INC
<CIK>0001050915
<ASSIGNED-SIC>1731
<IRS-NUMBER>742851603
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-13831
<FILM-NUMBER>03667308
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>1360 POST OAK BLVD
<STREET2>SUITE 2100
<CITY>HOUSTON
<STATE>TX
<ZIP>77056
<PHONE>7133506000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>1360 POST OAK BLVD SUITE 2100
<CITY>HOUSTON
<STATE>TX
<ZIP>77056
</MAIL-ADDRESS>
</SUBJECT-COMPANY>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>d05256e4.htm
<DESCRIPTION>FORM 4
<TEXT>
<HTML>
<HEAD>
<TITLE>e4</TITLE>
</HEAD>
<BODY bgcolor="#FFFFFF">
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<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<TABLE align="right" width="200" border="1" cellspacing="0" cellpadding="1"><TR><TD align="center"><FONT size="2">OMB APPROVAL</FONT></TD></TR><TR><TD><FONT size="2">OMB Number: 3235-0287</FONT></TD></TR><TR><TD><FONT size="2">Expires: January 31, 2005</FONT></TD></TR><TR><TD><FONT size="2">Estimated average burden<BR>hours per response...0.5</FONT></TD></TR></TABLE>
<BR clear="right">
<BR clear="right">
<P align="center"><FONT size="4"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION</B></FONT><BR>
<FONT size="3"><B>Washington, DC 20549</B></FONT>

<P align="center"><FONT size="5"><B>FORM 4</B></FONT>
<P>
<P align="center"><FONT size="4"><B>STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP</B></FONT>
<P align="center"><FONT size="3"><B>Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934,<BR>
Section 17(a) of the Public Utility Holding Company Act of 1935<BR>
or Section 30(h) of the Investment Company Act of 1940</B></FONT>
<P>
<TABLE border="0" cellspacing="0" cellpadding="4">
<TR valign="top"><TD>
<FONT face=wingdings>&#111;</FONT>
</TD>
 <TD><FONT size="2">Check this box if no longer<BR>
    subject to Section&nbsp;16.<BR>
 Form&nbsp;4 or Form&nbsp;5<BR>
 obligations may continue.<BR>
 See Instruction&nbsp;1(b)</FONT></TD>
</TR>
</TABLE>

<TABLE border="0" cellspacing="0" cellpadding="4" width="100%"><TR><TD colspan="13"><HR noshade></TD>
</TR>
<TR valign="top">
 <TD width="1%"><FONT size="2"><B>1.</B></FONT></TD>
 <TD width="25%" colspan="4" nowrap><FONT size="2"><B>Name and Address of Reporting<BR>Person*</B> <I>(Last, First, Middle)</I></FONT></TD>
 <TD width="1%"><FONT size="2"><B>2.</B></FONT></TD>
 <TD width="20%" colspan="4" nowrap><FONT size="2"><B>Issuer Name and Ticker or<BR>Trading Symbol</B></FONT></TD>
 <TD width="1%"><FONT size="2"><B>3.</B></FONT></TD>
 <TD width="20%" nowrap colspan="2"><FONT size="2"><B>I.R.S. Identification Number of Reporting<BR>Person, if an entity</B> <I>(Voluntary)</I></FONT></TD>
</TR><TR valign="bottom">
 <TD><FONT size="2">&nbsp;</FONT></TD>
 <TD colspan="4"><FONT size="2">
First Reserve GP IX, Inc.
</FONT><HR size="1" noshade></TD>
 <TD><FONT size="2">&nbsp;</FONT></TD>
 <TD colspan="4" valign="bottom"><FONT size="2">
Quanta Services, Inc. (NYSE: PWR)
</FONT><HR size="1" noshade></TD>
 <TD><FONT size="2">&nbsp;</FONT></TD>
 <TD colspan="2"><FONT size="2">

</FONT><HR size="1" noshade></TD>
</TR>

<TR valign="top">
 <TD><FONT size="2">&nbsp;</FONT></TD>
 <TD colspan="4" rowspan="2" valign="bottom"><FONT size="2">
One Lafayette Place


</FONT><HR size="1" noshade></TD>
 <TD><FONT size="2"><B>4.</B></FONT></TD>
 <TD colspan="4"><FONT size="2"><B>Statement for</B> <I>(Month&#47;Day&#47;Year)</i></FONT></TD>
 <TD><FONT size="2"><B>5.</B></FONT></TD>
 <TD colspan="2"><FONT size="2"><B>If Amendment, Date of Original</B> <I>(Month&#47;Day&#47;Year)</I></FONT></TD>
</TR>

<TR valign="top">
 <TD><FONT size="2">&nbsp;</FONT></TD>
 <TD><FONT size="2">&nbsp;</FONT></TD>
 <TD colspan="4"><FONT size="2">
4/28/03
</FONT><HR size="1" noshade></TD>
 <TD><FONT size="2">&nbsp;</FONT></TD>
 <TD colspan="2"><FONT size="2">

</FONT><HR size="1" noshade></TD>
</TR>

<TR valign="top">
 <TD><FONT size="2">&nbsp;</FONT></TD>
 <TD colspan="4" align="center"><FONT size="2"><I>(Street)</I></FONT></TD>
 <TD><FONT size="2"><B>6.</B></FONT></TD>
 <TD colspan="4"><FONT size="2"><B>Relationship of Reporting Person(s) to Issuer</B> <I>(Check All Applicable)</I></FONT></TD>
 <TD><FONT size="2"><B>7.</B></FONT></TD>
 <TD colspan="2"><FONT size="2"><B>Individual or Joint&#47;Group Filing</B><BR><I>(Check Applicable Line)</I></FONT></TD>
</TR>

<TR valign="top">
 <TD><FONT size="2">&nbsp;</FONT></TD>
 <TD colspan="4" rowspan="3"><FONT size="2">
Greenwich, CT 06830
</FONT><HR size="1" noshade><FONT size="2"><I>(City)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(State)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(Zip)</I></FONT></TD>
 <TD><FONT size="2">&nbsp;</FONT></TD>
 <TD nowrap>
<FONT face=wingdings>&#111;</FONT>
</TD>
 <TD nowrap><FONT size="2">&nbsp;Director</FONT></TD>
 <TD width="1%" nowrap>
<FONT face=wingdings>&#120;</FONT>
</TD>
 <TD nowrap><FONT size="2">&nbsp;10% Owner</FONT></TD>
    <TD><FONT size="2">&nbsp;</FONT></TD>
 <TD>
<FONT face=wingdings>&#111;</FONT>
</TD>
 <TD><FONT size="2">Form filed by One Reporting Person</FONT></TD>
</TR>

<TR valign="top">
 <TD><FONT size="2">&nbsp;</FONT></TD>
 <TD><FONT size="2">&nbsp;</FONT></TD>
 <TD width="1%" nowrap>
<FONT face=wingdings>&#111;</FONT>
</TD>
 <TD colspan="3" nowrap><FONT size="2">&nbsp;Officer <I>(give title below)</I></FONT></TD>
                <TD><FONT size="2">&nbsp;</FONT></TD>
 <TD>
<FONT face=wingdings>&#120;</FONT>
</TD>
 <TD rowspan="2"><FONT size="2">Form filed by More than One Reporting Person</FONT></TD>
</TR>

<TR valign="top">
 <TD><FONT size="2">&nbsp;</FONT></TD>
 <TD><FONT size="2">&nbsp;</FONT></TD>
 <TD width="1%" nowrap>
<FONT face=wingdings>&#111;</FONT>
</TD>
 <TD nowrap colspan="3"><FONT size="2">&nbsp;Other <I>(specify below)</I></FONT></TD>
                <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>

<TR valign="top">
 <TD><FONT size="2">&nbsp;</FONT></TD>
 <TD colspan="4"><FONT size="2">&nbsp;</FONT></TD>
 <TD><FONT size="2">&nbsp;</FONT></TD>
 <TD nowrap></TD>
 <TD colspan="3"><FONT size="2">&nbsp;

</FONT><HR size="1" noshade></TD>
    <TD><FONT size="2">&nbsp;</FONT></TD>
 <TD>&nbsp;</TD>
 <TD><FONT size="2">&nbsp;</FONT></TD>
</TR>

<TR>
 <TD colspan="13"><HR noshade></TD>
</TR>
</TABLE>

<TABLE border="0" width="100%">
<TR>
<TD align="right" width="1%"><FONT size="2">Reminder:</FONT></TD>
<TD><FONT size="2">&nbsp;</FONT></TD>
<TD><FONT size="2">Report on a separate line for each class of securities beneficially owned directly or indirectly.</FONT></TD>
</TR>

<TR>
<TD colspan="3"><FONT size="2">&nbsp;</FONT></TD>
</TR>

<TR>
<TD align="right" valign="top"><FONT size="2">*</FONT></TD>
<TD><FONT size="2">&nbsp;</FONT></TD>
<TD><FONT size="2">If the form is filed by more than one reporting person, <I>see</I> instruction 4(b)(v).</FONT></TD>
</TR>

<TR>
<TD colspan="3"><FONT size="2">&nbsp;</FONT></TD>
</TR>

</TABLE>
<BR>
<P align="center"><FONT size="2">&nbsp;</FONT>

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<TABLE border="0" cellspacing="0" cellpadding="2" width="100%">
<TR>
    <TD colspan="25"><HR noshade></TD>
</TR>
<TR>
    <TD align="center" colspan="25"><FONT size="2"><B>Table I &#151; Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned</B></FONT></TD>
</TR>
<TR>
    <TD colspan="25"><HR noshade></TD>
</TR>
<TR valign="top">
    <TD><FONT size="1"><B>1.</B></FONT></TD>
    <TD><FONT size="1"><B>Title of Security</B><BR><I>(Instr. 3)</I></FONT></TD>
    <TD><FONT size="1"><B>2.</B></FONT></TD>
    <TD nowrap><FONT size="1"><B>Transaction Date</B><BR><I>(Month&#47;Day&#47;Year)</I></FONT></TD>
    <TD><FONT size="1"><B>2a.</B></FONT></TD>
    <TD nowrap><FONT size="1"><B>Deemed Execution<BR>Date, if any.</B><BR><I>(Month&#47;Day&#47;Year)</I></FONT></TD>
    <TD align="center"><FONT size="1"><B>3.</B></FONT></TD>
    <TD colspan="2"><FONT size="1"><B>Transaction Code</B><BR><I>(Instr. 8)</I></FONT></TD>
    <TD><FONT size="1"><B>4.</B></FONT></TD>
    <TD colspan="7" nowrap><FONT size="1"><B>Securities Acquired (A)<BR>or Disposed of (D)</B><BR><I>(Instr. 3, 4 and 5)</I></FONT></TD>
    <TD><B><FONT size="1">5.</FONT></B></TD>
    <TD colspan="3" nowrap><FONT size="1"><B>Amount of Securities<BR>Beneficially Owned<BR>Following Reported <BR>Transactions(s)</B><BR><I>(Instr. 3 and 4)</I></FONT></TD>
    <TD><B><FONT size="1">6.</FONT></B></TD>
<TD nowrap><FONT size="1"><B>Ownership<BR>Form:<BR>Direct (D) or<BR>Indirect (I)</B><BR><I>(Instr. 4)</I></FONT></TD>
    <TD><B><FONT size="1">7.</FONT></B></TD>
    <TD nowrap><FONT size="1"><B>Nature of<BR>Indirect<BR>Beneficial<BR>Ownership</B><BR><I>(Instr. 4)</I></FONT></TD>
</TR>
<TR>
    <TD colspan="25"><HR noshade></TD>
</TR>

<TR valign="bottom">
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
<TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1"><B>Code</B></FONT></TD>
    <TD><FONT size="1"><B>V</B></FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD colspan="3" align="center"><FONT size="1"><B>Amount</B></FONT></TD>
    <TD align="center"><FONT size="1"><B>(A)<BR>or<BR>(D)</B></FONT></TD>
    <TD align="center" colspan="3"><FONT size="1"><B>Price</B></FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD colspan="3"><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
</TR>

<TR>
    <TD colspan="25"><HR noshade></TD>
</TR>

<TR valign="bottom" bgcolor="#eeeeee">
    <TD width="2%"><FONT size="1">&nbsp;</FONT></TD>
    <TD width="8%"><FONT size="1">
Common Stock
</FONT></TD>
    <TD width="2%"><FONT size="1">&nbsp;</FONT></TD>
    <TD width="9%" align="center"><FONT size="1">
4/28/03
</FONT></TD>
    <TD width="2%"><FONT size="1"></FONT></TD>
    <TD width="9%" align="center"><FONT size="1">

</FONT></TD>
    <TD width="2%"><FONT size="1">&nbsp;</FONT></TD>
 <TD width="5%"><FONT size="1">
J(1)
</FONT></TD>
    <TD width="5%"><FONT size="1">

</FONT></TD>
    <TD width="2%"><FONT size="1">&nbsp;</FONT></TD>
    <TD width="1%"><FONT size="1">

</font></TD>
    <TD width="4%" align="right" nowrap><FONT size="1">
8,610
</FONT></TD>
    <TD width="1%"><FONT size="1">&nbsp;</FONT></TD>
    <TD width="2%" align="center"><FONT size="1">
A
</FONT></TD>
    <TD width="2%" align="right"><font size="1">

</font></TD>
    <TD width="1%" align="right" nowrap><FONT size="1">
$3.71
</FONT></TD>
    <TD width="1%"><FONT size="1">

</FONT></TD>
    <TD width="2%"><FONT size="1">&nbsp;</FONT></TD>
    <TD width="2%"><FONT size="1">&nbsp;</FONT></TD>
    <TD width="8%" align="right"><FONT size="1">

</FONT></TD>
    <TD width="2%"><FONT size="1">&nbsp;</FONT></TD>
    <TD width="2%"><FONT size="1">&nbsp;</FONT></TD>
    <TD width="7%"><FONT size="1">
I
</FONT></TD>
    <TD width="2%"><FONT size="1">&nbsp;</FONT></TD>
    <TD width="5%"><FONT size="1">
(1)
</FONT></TD>
</TR>

<TR>
    <TD colspan="25"><HR noshade></TD>
</TR>

<TR valign="bottom">
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">
Common Stock
</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD align="center"><FONT size="1">
4/28/03
</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD align="center"><FONT size="1">

</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
 <TD><FONT size="1">
J(1)
</FONT></TD>
    <TD><FONT size="1">

</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">

</font></TD>
    <TD align="right" nowrap><FONT size="1">
7,749
</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD align="center"><FONT size="1">
A
</FONT></TD>
    <TD align="right"><font size="1">

</font></TD>
    <TD align="right" nowrap><FONT size="1">
$3.30
</FONT></TD>
    <TD><FONT size="1">

</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD align="right"><FONT size="1">

</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">
I
</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">
(1)
</FONT></TD>
</TR>

<TR>
    <TD colspan="25"><HR noshade></TD>
</TR>

<TR valign="bottom" bgcolor="#eeeeee">
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">
Common Stock
</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD align="center"><FONT size="1">
4/28/03
</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD align="center"><FONT size="1">

</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
 <TD><FONT size="1">
J(1)
</FONT></TD>
    <TD><FONT size="1">

</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">

</font></TD>
    <TD align="right" nowrap><FONT size="1">
656
</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD align="center"><FONT size="1">
A
</FONT></TD>
    <TD align="right"><font size="1">

</font></TD>
    <TD align="right" nowrap><FONT size="1">
$3.23
</FONT></TD>
    <TD><FONT size="1">

</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD align="right"><FONT size="1">

</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">
I
</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">
(1)
</FONT></TD>
</TR>

<TR>
    <TD colspan="25"><HR noshade></TD>
</TR>

<TR valign="bottom">
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">
Common Stock
</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD align="center"><FONT size="1">
4/28/03
</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD align="center"><FONT size="1">

</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
 <TD><FONT size="1">
J(1)
</FONT></TD>
    <TD><FONT size="1">

</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">

</font></TD>
    <TD align="right" nowrap><FONT size="1">
1,115,165
</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD align="center"><FONT size="1">
A
</FONT></TD>
    <TD align="right"><font size="1">

</font></TD>
    <TD align="right" nowrap><FONT size="1">
$2.95
</FONT></TD>
    <TD><FONT size="1">

</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD align="right"><FONT size="1">

</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">
I
</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">
(1)
</FONT></TD>
</TR>

<TR>
    <TD colspan="25"><HR noshade></TD>
</TR>

<TR valign="bottom" bgcolor="#eeeeee">
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">
Common Stock
</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD align="center"><FONT size="1">
4/28/03
</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD align="center"><FONT size="1">

</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
 <TD><FONT size="1">
J(1)
</FONT></TD>
    <TD><FONT size="1">

</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">

</font></TD>
    <TD align="right" nowrap><FONT size="1">
27,849
</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD align="center"><FONT size="1">
A
</FONT></TD>
    <TD align="right"><font size="1">

</font></TD>
    <TD align="right" nowrap><FONT size="1">
$3.18
</FONT></TD>
    <TD><FONT size="1">

</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD align="right"><FONT size="1">

</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">
I
</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">
(1)
</FONT></TD>
</TR>

<TR>
    <TD colspan="25"><HR noshade></TD>
</TR>

<TR valign="bottom">
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">
Common Stock
</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD align="center"><FONT size="1">
4/28/03
</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD align="center"><FONT size="1">

</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
 <TD><FONT size="1">
J(1)
</FONT></TD>
    <TD><FONT size="1">

</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">

</font></TD>
    <TD align="right" nowrap><FONT size="1">
492
</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD align="center"><FONT size="1">
A
</FONT></TD>
    <TD align="right"><font size="1">

</font></TD>
    <TD align="right" nowrap><FONT size="1">
$3.10
</FONT></TD>
    <TD><FONT size="1">

</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD align="right"><FONT size="1">

</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">
I
</FONT></TD>
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">
(1)
</FONT></TD>
</TR>

<TR>
    <TD colspan="25"><HR noshade></TD>
</TR>

<TR valign="bottom" bgcolor="#eeeeee">
    <TD><FONT size="1">&nbsp;</FONT></TD>
    <TD><FONT size="1">Common Stock</FONT></TD>
    <TD width="2%"><FONT size="1">&nbsp;</FONT></TD>
    <TD width="9%" align="center"><FONT size="1">4/28/03</FONT></TD>
    <TD width="2%"><FONT size="1"></FONT></TD>
    <TD width="9%" align="center"><FONT size="1"></FONT></TD>
    <TD width="2%"><FONT size="1">&nbsp;</FONT></TD>
 <TD width="5%"><FONT size="1">J(1)</FONT></TD>
    <TD width="5%"><FONT size="1"></FONT></TD>
    <TD width="2%"><FONT size="1">&nbsp;</FONT></TD>
    <TD width="1%"><FONT size="1"></font></TD>
    <TD width="4%" align="right" nowrap><FONT size="1">18,450
</FONT></TD>
    <TD width="1%"><FONT size="1">&nbsp;</FONT></TD>
    <TD width="2%" align="center"><FONT size="1">A</FONT></TD>
    <TD width="2%" align="right"><font size="1"></font></TD>
    <TD width="1%" align="right" nowrap><FONT size="1">$3.14</FONT></TD>
    <TD width="1%"><FONT size="1"></FONT></TD>
    <TD width="2%"><FONT size="1">&nbsp;</FONT></TD>
    <TD width="2%"><FONT size="1">&nbsp;</FONT></TD>
    <TD width="8%" align="right"><FONT size="1"></FONT></TD>
    <TD width="2%"><FONT size="1">&nbsp;</FONT></TD>
    <TD width="2%"><FONT size="1">&nbsp;</FONT></TD>
    <TD width="7%"><FONT size="1">I</FONT></TD>
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    <TD width="5%"><FONT size="1">(1)</FONT></TD>
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    <TD width="8%"><FONT size="1">Common Stock</FONT></TD>
    <TD width="2%"><FONT size="1">&nbsp;</FONT></TD>
    <TD width="9%" align="center"><FONT size="1">4/28/03</FONT></TD>
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    <TD width="9%" align="center"><FONT size="1"></FONT></TD>
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 <TD width="5%"><FONT size="1">J(1)</FONT></TD>
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    <TD width="2%"><FONT size="1">&nbsp;</FONT></TD>
    <TD width="1%"><FONT size="1"></font></TD>
    <TD width="4%" align="right" nowrap><FONT size="1">120
</FONT></TD>
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    <TD width="2%" align="center"><FONT size="1">A</FONT></TD>
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    <TD width="1%" align="right" nowrap><FONT size="1">$3.25</FONT></TD>
    <TD width="1%"><FONT size="1"></FONT></TD>
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    <TD width="2%"><FONT size="1">&nbsp;</FONT></TD>
    <TD width="7%"><FONT size="1">I</FONT></TD>
    <TD width="2%"><FONT size="1">&nbsp;</FONT></TD>
    <TD width="5%"><FONT size="1">(1)</FONT></TD>
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    <TD width="8%" align="right"><FONT size="1">42,234,410(1)</FONT></TD>
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</TABLE>
<P align="center"><FONT size="2">Page 2</FONT>
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        <TD align="center" colspan="19"><FONT size="2"><B>Table II &#151; Derivative Securities Acquired, Disposed of, or Beneficially Owned<BR>&nbsp;&nbsp;(<I>e.g.</I>, puts, calls, warrants, options, convertible securities)</B></FONT></TD>
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        <TD><FONT size="1"><B>1.</B></FONT></TD>
        <TD nowrap><FONT size="1"><B>Title of Derivative<BR>Security</B><BR><I>(Instr. 3)</I></FONT></TD>
        <TD><FONT size="1"><B>2.</B></FONT></TD>
        <TD colspan="3" nowrap><FONT size="1"><B>Conversion or Exercise<BR>Price of Derivative<BR>Security</B></FONT></TD>
        <TD><FONT size="1"><B>3.</B></FONT></TD>
        <TD nowrap><FONT size="1"><B>Transaction<BR>Date</B><BR><I>(Month&#47;Day&#47;Year)</I></FONT></TD>
<TD><FONT size="1"><B>3a.</B></FONT></TD>
        <TD nowrap><FONT size="1"><B>Deemed Execution<BR>Date, if any</B><BR><I>(Month&#47;Day&#47;Year)</I></FONT></TD>        <TD><FONT size="1"><B>4.</B></FONT></TD>
        <TD colspan="2" nowrap><FONT size="1"><B>Transaction<BR>Code</B><BR><I>(Instr. 8)</I></FONT></TD>
        <TD><FONT size="1"><B>5.</B></FONT></TD>
        <TD colspan="4" nowrap><FONT size="1"><B>Number of Derivative Securities<BR>Acquired (A) or Disposed of (D)</B><BR><I>(Instr. 3, 4 and 5)</I></FONT>
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<P align="center"><FONT size="2">Page 3</FONT>

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        <TD align="center" colspan="18"><FONT size="2"><B>Table II &#151; Derivative Securities Acquired, Disposed of, or Beneficially Owned &#151; Continued<BR>(<I>e.g.</I>, puts, calls, warrants, options, convertible securities)</B></FONT></TD>
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        <TD><FONT size="1"><B>6.</B></FONT></TD>
        <TD colspan="2"><FONT size="1"><B>Date Exercisable and<BR>Expiration Date</B><BR><I>(Month&#47;Day&#47;Year)</I></FONT></TD>
        <TD><FONT size="1"><B>7.</B></FONT></TD>
        <TD colspan="2"><FONT size="1"><B>Title and Amount<BR>
of Underlying Securities</B><BR><I>(Instr. 3 and 4)</I></FONT></TD>
        <TD align="center"><FONT size="1"><B>8.</B></FONT></TD>
        <TD colspan="3"><FONT size="1"><B>Price of Derivative<BR>Security</B><BR><I>(Instr. 5)</I></FONT></TD>
        <TD align="center"><FONT size="1"><B>9.</B></FONT></TD>
        <TD colspan="3" nowrap><FONT size="1"><B>Number of Derivative<BR>Securities Beneficially Owned<BR>Following Reported Transaction(s)</B><BR>
<I>(Instr. 4)</I></FONT></TD>
        <TD><FONT size="1"><B>10.</B></FONT></TD>
        <TD nowrap><FONT size="1"><B>Ownership Form of <BR>Derivative Security:<BR>Direct (D) or Indirect (I)</B><BR><I>(Instr. 4)</I></FONT></TD>
        <TD><FONT size="1"><B>11.</B></FONT></TD>
        <TD nowrap><FONT size="1"><B>Nature of<BR>Indirect<BR>Beneficial<BR>Ownership</B><BR><I>(Instr. 4)</I></FONT></TD>
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        <TD width="4%" align="center" nowrap><FONT size="1"><B>Expiration<BR>Date</B></FONT></TD>
        <TD width="2%"><FONT size="1">&nbsp;</FONT></TD>
        <TD width="4%"><FONT size="1"><B>Title</B></FONT></TD>
        <TD width="3%" align="center" nowrap><FONT size="1"><B>Amount or<BR>Number of<BR>Shares</B></FONT></TD>
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</TABLE>
<P><FONT size="2"><B>Explanation of Responses:</B></FONT>
<P><FONT size="2">

</FONT><P><FONT size="2">

</FONT><P><FONT size="2">

</FONT><P><FONT size="2">

</FONT><P><FONT size="2">
(1) This Form 4 is being filed on behalf of First Reserve GP IX, Inc. ("GP IX, Inc."),
First Reserve GP IX, L.P. ("GP IX, LP"), and First Reserve Fund IX, L.P. ("Fund IX"),
each as 10% beneficial owners (the "Fund Entities"). GP IX, LP is the general
partner of Fund IX, and GP IX, Inc. is the general partner of GP IX, LP. On April 28,
2003, Fund IX exercised its pre-emptive rights under the October 15, 2002 Investor
Rights Agreement by and between Fund IX and the Issuer, and purchased the common stock
as reported on this Form 4. As a result
of the transactions reported on this Form 4, Fund IX is the record holder of
42,175,474 shares of Common Stock. In addition, the Fund Entities may be deemed to
beneficially own 21,200 shares of Common Stock held of record by Ben A Guill, a
director of the Issuer, and President of GP IX, Inc., and 37,736 shares of Common
Stock held of record by Thomas Sikorski, a director of the Issuer, and Managing
Director of GP IX, Inc.
</FONT><P><FONT size="2">
(2) First Reserve GP IX, Inc. is signing for itself, as the designated filer, as
well as in the capacity of general partner of First Reserve GP IX, L.P. ("GP IX, LP").
GP IX, LP is signing for First Reserve Fund IX, L.P., as its general partner. All
reporting entities and persons have the same address as First Reserve GP IX, Inc.
</FONT><P><FONT size="2">

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</FONT><P>

<TABLE border="0" width="65%" align="center">
<TR valign="bottom">
<TD align="center" width="30%"><FONT size="2">
/s/ Thomas R. Denison, Managing Director of First Reserve GP IX, Inc.(2)
</FONT></TD>
<TD width="5%"><FONT size="2">&nbsp;</FONT></TD>
<TD align="center" width="30%"><FONT size="2">
4/28/03
</FONT></TD>
</TR>

<TR>
<TD valign="top" align="center"><HR size="1" noshade><FONT size="2">**Signature of Reporting Person</FONT></TD>
<TD><FONT size="2">&nbsp;</FONT></TD>
<TD valign="top" align="center"><HR size="1" noshade><FONT size="2">Date</FONT></TD>
</TR>
</TABLE>
<P>
<HR size="1" width="18%" noshade align="left">

<TABLE border="0" width="100%">

<TR>
<TD align="right" valign="top"><FONT size="2">**</FONT></TD>
<TD><FONT size="2">&nbsp;</FONT></TD>
<TD><FONT size="2">Intentional misstatements or omissions of facts constitute Federal Criminal Violations. <I>See</I> 18&nbsp;U.S.C.&nbsp;1001 and 15&nbsp;U.S.C.&nbsp;78ff(a).</FONT></TD>
</TR>
<TR>
<TD colspan="3"><FONT size="2">&nbsp;</FONT></TD>
</TR>
<TR>
<TD align="right" valign="top"><FONT size="2">Note:</FONT></TD>
<TD><FONT size="2">&nbsp;</FONT></TD>
<TD><FONT size="2">File three copies of this Form, one of which must be manually signed. If space is insufficient,
<I>see</I> Instruction 6 for procedure.</FONT></TD>
</TR>
<TR>
<TD colspan="3"><FONT size="2">&nbsp;</FONT></TD>
</TR>

</TABLE>

<P align="center"><FONT size="2">Page 4</FONT>

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