<SUBMISSION>
<ACCESSION-NUMBER>0000950137-08-007514
<TYPE>FWP
<PUBLIC-DOCUMENT-COUNT>1
<FILING-DATE>20080515
<DATE-OF-FILING-DATE-CHANGE>20080515
<SUBJECT-COMPANY>
<COMPANY-DATA>
<CONFORMED-NAME>NISOURCE INC/DE
<CIK>0001111711
<ASSIGNED-SIC>4931
<IRS-NUMBER>352108964
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>FWP
<ACT>34
<FILE-NUMBER>333-148239
<FILM-NUMBER>08839269
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>801 EAST 86TH AVE
<CITY>MERRILLVILLE
<STATE>IN
<ZIP>46410-6272
<PHONE>2196475200
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>801 EAST 86TH AVE
<CITY>MERRILLVILLE
<STATE>IN
<ZIP>46410-6272
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>NEW NISOURCE INC
<DATE-CHANGED>20000412
</FORMER-COMPANY>
</SUBJECT-COMPANY>
<FILED-BY>
<COMPANY-DATA>
<CONFORMED-NAME>NISOURCE INC/DE
<CIK>0001111711
<ASSIGNED-SIC>4931
<IRS-NUMBER>352108964
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>FWP
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>801 EAST 86TH AVE
<CITY>MERRILLVILLE
<STATE>IN
<ZIP>46410-6272
<PHONE>2196475200
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>801 EAST 86TH AVE
<CITY>MERRILLVILLE
<STATE>IN
<ZIP>46410-6272
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>NEW NISOURCE INC
<DATE-CHANGED>20000412
</FORMER-COMPANY>
</FILED-BY>
<DOCUMENT>
<TYPE>FWP
<SEQUENCE>1
<FILENAME>c26491f2fwp.htm
<DESCRIPTION>FREE WRITING PROSPECTUS
<TEXT>
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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B>Filed Pursuant to Rule&nbsp;433<BR>
Registration Nos. 333-148239 and 333-148239-01<BR>
May&nbsp;15, 2008</B>
</DIV>


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


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>(To Preliminary Prospectus Supplement dated May&nbsp;15, 2008)</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="38%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="60%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Issuer:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">NiSource Finance Corp.</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">Guarantor:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">NiSource Inc.</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">Security:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">6.80% Notes due 2019</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">Ratings:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Baa3 (negative outlook)/BBB&#151;
(stable)/BBB (stable)<BR>
(Moody&#146;s/Standard &#038; Poor&#146;s/Fitch)</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">Size:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">$500,000,000</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">Public Offering Price:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">99.724%</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">Maturity:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">January&nbsp;15, 2019</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">Treasury Benchmark:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">3.875% due May&nbsp;15, 2018</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">US Treasury Yield:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">3.864%</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">Spread to Treasury:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&#043;297 basis points</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">Re-offer Yield:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">6.834%</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">Optional Redemption Terms:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Make-whole call at Treasury plus 50 basis points</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">Coupon:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">6.80%</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">Interest Payment Dates:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">January&nbsp;15 and July&nbsp;15 of each year beginning January&nbsp;15, 2009</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">Format:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">SEC Registered</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">Transaction Date:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">May&nbsp;15, 2008</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">Expected Settlement Date:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">May&nbsp;20, 2008</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">Joint Lead Managers:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Banc of America Securities LLC<BR>
J.P. Morgan Securities Inc.<BR>
Wachovia Capital Markets, LLC</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">Co-Managers:
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">BMO Capital Markets Corp.<BR>
Commerzbank Capital Markets Corp.<BR>
KeyBanc Capital Markets Inc.<BR>
Mizuho Securities USA Inc.</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">The issuer and guarantor have filed a registration statement (including a prospectus) with the SEC
for the offering to which this communication relates. Before you invest, you should read the
prospectus in that registration statement and other documents the issuer has filed with the SEC for
more complete information about the issuer and this offering. You may get these documents for free
by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, the issuer, any underwriter
or any dealer participating in the offering will arrange to send you the prospectus if you request
it by calling NiSource Inc. toll-free at 1-877-647-5990 or Banc of America Securities LLC toll-free
at 1-800-294-1322, J.P. Morgan Securities Inc. at 212-834-4533 or Wachovia Capital Markets, LLC
toll-free at 1-800-326-5897.
</DIV>



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</SUBMISSION>
