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<!--DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" -->
<!-- Begin Block Tagged Note 10 - us-gaap:FairValueDisclosuresTextBlock-->
<div style="font-family: 'Times New Roman',Times,serif">
<div align="justify" style="font-size: 10pt; margin-top: 10pt"><b>10.</b>          <b>Fair Value Disclosures</b>
</div>
<div align="justify" style="font-size: 10pt; margin-top: 10pt"><b>A.</b>            <b>Fair
Value Measurements. </b>NiSource adopted the provisions of ASC Topic 820 – Fair Value
Measurements and Disclosures for financial assets and liabilities on January 1, 2008 and
non-financial assets and liabilities on January 1, 2009. There was no impact on retained earnings
as a result of the adoption.
</div>
<div align="justify" style="font-size: 10pt; margin-top: 10pt"><b><i>Recurring Fair Value Measurements. </i></b>The following tables present financial assets and liabilities
measured and recorded at fair value on NiSource’s Condensed Consolidated Balance Sheet (unaudited)
on a recurring basis and their level within the fair value hierarchy as of June 30, 2010 and
December 31, 2009:
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="40%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="11%"> </td>
<td width="1%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="11%"> </td>
<td width="1%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="11%"> </td>
<td width="1%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="11%"> </td>
<td width="1%"> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Quoted Prices in</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Significant</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Active Markets</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Other</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Significant</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">for Identical</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Observable</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Unobservable</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td nowrap="nowrap" align="center">Recurring Fair Value Measurements</td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Assets</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Inputs</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Inputs</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Balance as of</td>
<td> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td nowrap="nowrap" align="center">June 30, 2010 <i>(in millions)</i></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">(Level 1)</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">(Level 2)</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">(Level 3)</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">June 30, 2010</td>
<td> </td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 2px solid #000000"> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px"><b>Assets</b>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Commodity Price risk management assets:
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Physical price risk programs
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">157.5</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">157.5</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px">Financial price risk programs
</div></td>
<td> </td>
<td> </td>
<td align="right">192.6</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">3.0</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">195.6</td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Other
</div></td>
<td> </td>
<td> </td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">0.8</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">0.8</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Interest rate risk activities
</div></td>
<td> </td>
<td> </td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">75.2</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">75.2</td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Available-for-sale securities
</div></td>
<td> </td>
<td> </td>
<td align="right">38.1</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">33.7</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">71.8</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Total
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">230.7</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">269.4</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">0.8</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">500.9</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom" style="line-height: 3pt"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px"><b>Liabilities</b>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Commodity Price risk management liabilities:
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Physical price risk programs
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">4.0</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">4.0</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px">Financial price risk programs
</div></td>
<td> </td>
<td> </td>
<td align="right">374.9</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">5.3</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">380.2</td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Other
</div></td>
<td> </td>
<td> </td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">0.6</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">0.6</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px">Total
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">374.9</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">9.3</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">0.6</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">384.8</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
<!-- Folio -->
<!-- /Folio -->
</div>
<!-- PAGEBREAK -->
<div style="font-family: 'Times New Roman',Times,serif">
<div align="justify" style="font-size: 10pt; margin-top: 0pt">
<u>
</u>
<u>
</u>
</div>
<div align="left" style="font-size: 10pt; margin-top: 0pt">
<b>
<font style="font-variant: small-caps">
</font>
</b>
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="40%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="11%"> </td>
<td width="1%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="11%"> </td>
<td width="1%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="11%"> </td>
<td width="1%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="11%"> </td>
<td width="1%"> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Quoted Prices in</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Significant</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Active Markets</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Other</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Significant</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">for Identical</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Observable</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Unobservable</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td nowrap="nowrap" align="center">Recurring Fair Value Measurements</td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Assets</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Inputs</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Inputs</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Balance as of</td>
<td> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td nowrap="nowrap" align="center">December 31, 2009 <i>(in millions)</i></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">(Level 1)</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">(Level 2)</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">(Level 3)</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">December 31, 2009</td>
<td> </td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 2px solid #000000"> </td>
</tr>
<tr valign="bottom" style="line-height: 3pt"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px"><b>Assets</b>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Commodity Price risk management assets:
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Physical price risk programs
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">141.7</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">141.7</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px">Financial price risk programs
</div></td>
<td> </td>
<td> </td>
<td align="right">187.5</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">11.4</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">198.9</td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Other
</div></td>
<td> </td>
<td> </td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">2.1</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">2.1</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Interest rate risk activities
</div></td>
<td> </td>
<td> </td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">68.2</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">68.2</td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Available-for-sale securities
</div></td>
<td> </td>
<td> </td>
<td align="right">34.5</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">37.4</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">71.9</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px">Total
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">222.0</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">258.7</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">2.1</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">482.8</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom" style="line-height: 3pt"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px"><b>Liabilities</b>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Commodity Price risk management liabilities:
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Physical price risk programs
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">9.6</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">9.6</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px">Financial price risk programs
</div></td>
<td> </td>
<td> </td>
<td align="right">343.8</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">6.9</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">350.7</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Total
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">343.8</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">16.5</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">360.3</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
<div align="justify" style="font-size: 10pt; margin-top: 10pt">Price risk management assets and liabilities include commodity exchange-traded and
non-exchange-based derivative contracts. Exchange-traded derivative contracts are generally based
on unadjusted quoted prices in active markets and are classified within Level 1. These financial
assets and liabilities are secured with cash on deposit with the exchange; therefore nonperformance
risk has not been incorporated into these valuations. Certain non-exchange-traded derivatives are
valued using broker or over-the-counter, on-line exchanges. In such cases, these
non-exchange-traded derivatives are classified within Level 2. Non-exchange-based derivative
instruments include swaps, forwards, and options. In certain instances, these instruments may
utilize models to measure fair value. NiSource uses a similar model to value similar instruments.
Valuation models utilize various inputs that include quoted prices for similar assets or
liabilities in active markets, quoted prices for identical or similar assets or liabilities in
markets that are not active, other observable inputs for the asset or liability, and
market-corroborated inputs, i.e., inputs derived principally from or corroborated by observable
market data by correlation or other means. Where observable inputs are available for substantially
the full term of the asset or liability, the instrument is categorized in Level 2. Certain
derivatives trade in less active markets with a lower availability of pricing information and
models may be utilized in the valuation. When such inputs have a significant impact on the
measurement of fair value, the instrument is categorized in Level 3. Credit risk is considered in
the fair value calculation of derivative instruments that are not exchange-traded. Credit exposures
are adjusted to reflect collateral agreements which reduce exposures.
</div>
<div align="justify" style="font-size: 10pt; margin-top: 10pt">To determine the fair value of derivatives associated with NiSource’s unregulated natural gas
marketing business, certain reserves were calculated. These reserves were primarily determined by
evaluating the credit worthiness of certain customers, fair value of future cash flows, and the
cost of maintaining restricted cash. Refer to Note 9, “Risk Management Activities” for additional
information on price risk assets.
</div>
<div align="justify" style="font-size: 10pt; margin-top: 10pt">Price risk management assets also include fixed-to-floating interest-rate swaps, which are
designated as fair value hedges, as a means to achieve its targeted level of variable-rate debt as
a percent of total debt. NiSource uses a calculation of future cash inflows and estimated future
outflows related to the swap agreements, which are discounted and netted to determine the current
fair value. Additional inputs to the present value calculation include the contract terms, as well
as market parameters such as current and projected interest rates and volatility. As they are based
on observable data and valuations of similar instruments, the interest-rate swaps are categorized
in Level 2 in the fair value hierarchy. Credit risk is considered in the fair value calculation of
the interest rate swap.
</div>
<!-- Folio -->
<!-- /Folio -->
</div>
<!-- PAGEBREAK -->
<div style="font-family: 'Times New Roman',Times,serif">
<div align="justify" style="font-size: 10pt; margin-top: 0pt">
<u>
</u>
<u>
</u>
</div>
<div align="left" style="font-size: 10pt; margin-top: 0pt">
<b>
<font style="font-variant: small-caps">
</font>
</b>
</div>
<div align="justify" style="font-size: 10pt; margin-top: 10pt">Available-for-sale securities are investments pledged as collateral for trust accounts related to
NiSource’s wholly-owned insurance company. Available-for-sale securities are included within “Other
investments” in the Condensed
Consolidated Balance Sheets (unaudited). Securities classified within Level 1 include U.S.
Treasury debt securities which are highly liquid and are actively traded in over-the-counter
markets. NiSource values corporate and mortgage-backed debt securities using a matrix pricing model
that incorporates market-based information. These securities trade less frequently and are
classified within Level 2. Unrealized gains and losses from available-for-sale securities are
included in other comprehensive income (loss). The amortized cost, gross unrealized gains and
losses, and fair value of available-for-sale debt securities at June 30, 2010 and December 31, 2009
were:
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="52%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="8%"> </td>
<td width="1%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="8%"> </td>
<td width="1%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="8%"> </td>
<td width="1%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="8%"> </td>
<td width="1%"> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Gross</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Gross</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Amortized</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Unrealized</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Unrealized</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Fair</b></td>
<td> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td nowrap="nowrap" align="left"><i>(in millions)</i></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Cost</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Gains</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Losses</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Value</b></td>
<td> </td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 2px solid #000000"> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px"><b>Available-for-sale debt securities, June 30, 2010</b>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px">U.S. Treasury securities
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">37.0</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">1.1</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">38.1</td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Corporate/Other bonds
</div></td>
<td> </td>
<td> </td>
<td align="right">31.5</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">2.2</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">33.7</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px"><b>Total Available-for-sale debt securities</b>
</div></td>
<td> </td>
<td align="left"><b>$</b></td>
<td align="right"><b>68.5</b></td>
<td> </td>
<td> </td>
<td align="left"><b>$</b></td>
<td align="right"><b>3.3</b></td>
<td> </td>
<td> </td>
<td align="left"><b>$</b></td>
<td align="right"><b>-</b></td>
<td> </td>
<td> </td>
<td align="left"><b>$</b></td>
<td align="right"><b>71.8</b></td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="52%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="8%"> </td>
<td width="1%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="8%"> </td>
<td width="1%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="8%"> </td>
<td width="1%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="8%"> </td>
<td width="1%"> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Gross</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Gross</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Amortized</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Unrealized</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Unrealized</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Fair</b></td>
<td> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td nowrap="nowrap" align="left"><i>(in millions)</i></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Cost</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Gains</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Losses</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Value</b></td>
<td> </td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 2px solid #000000"> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px"><b>Available-for-sale debt securities, December 31, 2009</b>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px">U.S. Treasury securities
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">34.6</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">0.2</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left">$</td>
<td align="right">(0.3</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td align="left">$</td>
<td align="right">34.5</td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Corporate/Other bonds
</div></td>
<td> </td>
<td> </td>
<td align="right">35.2</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">2.2</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">37.4</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px"><b>Total Available-for-sale debt securities</b>
</div></td>
<td> </td>
<td align="left"><b>$</b></td>
<td align="right"><b>69.8</b></td>
<td> </td>
<td> </td>
<td align="left"><b>$</b></td>
<td align="right"><b>2.4</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"><b>$</b></td>
<td align="right"><b>(0.3</b></td>
<td nowrap="nowrap"><b>)</b></td>
<td> </td>
<td align="left"><b>$</b></td>
<td align="right"><b>71.9</b></td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
<div align="justify" style="font-size: 10pt; margin-top: 10pt">For the three months ended June 30, 2010 and 2009 the net realized gain on the sale of available
for sale U.S. Treasury debt securities was $0.1 million and $0.1 million, respectively. For the
three months ended June 30, 2010 and 2009 the net realized gain on sale of available-for-sale
Corporate/Other bond debt securities was $0.3 million and $0.2 million, respectively.
</div>
<div align="justify" style="font-size: 10pt; margin-top: 10pt">For the six months ended June 30, 2010 and 2009 the net realized gain on the sale of available for
sale U.S. Treasury debt securities was $0.1 million and $1.0 million, respectively. For the six
months ended June 30, 2010 and 2009 the net realized gain on sale of available-for-sale
Corporate/Other bond debt securities was $0.7 million and $0.2 million, respectively.
</div>
<div align="justify" style="font-size: 10pt; margin-top: 10pt">The cost of maturities sold is based upon specific identification. At June 30, 2010, approximately
$2.8 million of U.S. Treasury debt security bonds have maturities of less than a year while the
remaining securities have maturities of greater than one year. At June 30, 2010, approximately $0.3
million of Corporate/Other bonds have maturities of less than a year while the remaining securities
have maturities of greater than one year.
</div>
<div align="justify" style="font-size: 10pt; margin-top: 10pt">The following tables present the fair value reconciliation of Level 3 assets and liabilities
measured at fair value on a recurring basis for the three and six months ended June 30, 2010 and
2009:
</div>
<!-- Folio -->
<!-- /Folio -->
</div>
<!-- PAGEBREAK -->
<div style="font-family: 'Times New Roman',Times,serif">
<div align="justify" style="font-size: 10pt; margin-top: 0pt">
<u>
</u>
<u>
</u>
</div>
<div align="left" style="font-size: 10pt; margin-top: 0pt">
<b>
<font style="font-variant: small-caps">
</font>
</b>
</div>
<div align="center">
<table style="font-size: 9pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="73%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="6%"> </td>
<td width="1%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="6%"> </td>
<td width="1%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="6%"> </td>
<td width="1%"> </td>
</tr>
<tr style="font-size: 9pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Financial</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
</tr>
<tr style="font-size: 9pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Transmission</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Other</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
</tr>
<tr style="font-size: 9pt" valign="bottom">
<td nowrap="nowrap" align="left">Three Months Ended June 30, 2010 <i>(in millions)</i></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Rights</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Derivatives</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Total</td>
<td> </td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr style="font-size: 1px">
<td colspan="13" align="left" style="border-top: 2px solid #000000"> </td>
</tr>
<tr valign="bottom" style="line-height: 4pt"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Balance as of March 31, 2010
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">0.9</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left">$</td>
<td align="right">(0.1</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td align="left">$</td>
<td align="right">0.8</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="13" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Total gains or (losses) (unrealized/realized)
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Included in regulatory assets/liabilities
</div></td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(3.2</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(3.2</td>
<td nowrap="nowrap">)</td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Purchases, issuances and settlements (net)
</div></td>
<td> </td>
<td> </td>
<td align="right">2.3</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">0.3</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">2.6</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="13" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Balance as of June 30, 2010
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">0.2</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">0.2</td>
<td> </td>
</tr>
<tr valign="bottom" style="line-height: 4pt"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Change in unrealized gains/(losses) relating to instruments still
held as of June 30, 2010
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">-</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="13" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="73%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="6%"> </td>
<td width="1%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="6%"> </td>
<td width="1%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="6%"> </td>
<td width="1%"> </td>
</tr>
<tr style="font-size: 9pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Financial</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
</tr>
<tr style="font-size: 9pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Transmission</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Other</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
</tr>
<tr style="font-size: 9pt" valign="bottom">
<td nowrap="nowrap" align="left">Three Months Ended June 30, 2009 <i>(in millions)</i></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Rights</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Derivatives</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Total</td>
<td> </td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr style="font-size: 1px">
<td colspan="13" align="left" style="border-top: 2px solid #000000"> </td>
</tr>
<tr valign="bottom" style="line-height: 4pt"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Balance as of March 31, 2009
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">0.9</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left">$</td>
<td align="right">(0.2</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td align="left">$</td>
<td align="right">0.7</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="13" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Total gains or losses (unrealized/realized)
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Included in regulatory assets/liabilities
</div></td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(0.3</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">0.2</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(0.1</td>
<td nowrap="nowrap">)</td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Purchases, issuances and settlements (net)
</div></td>
<td> </td>
<td> </td>
<td align="right">2.1</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(0.7</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">1.4</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="13" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Balance as of June 30, 2009
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">2.7</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left">$</td>
<td align="right">(0.7</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td align="left">$</td>
<td align="right">2.0</td>
<td> </td>
</tr>
<tr valign="bottom" style="line-height: 4pt"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Change in unrealized gains/(losses) relating to instruments still
held as of June 30, 2009
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">0.4</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">0.4</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="13" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="73%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="6%"> </td>
<td width="1%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="6%"> </td>
<td width="1%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="6%"> </td>
<td width="1%"> </td>
</tr>
<tr style="font-size: 9pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Financial</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
</tr>
<tr style="font-size: 9pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Transmission</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Other</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
</tr>
<tr style="font-size: 9pt" valign="bottom">
<td nowrap="nowrap" align="left">Six Months Ended, June 30, 2010 <i>(in millions)</i></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Rights</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Derivatives</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Total</td>
<td> </td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr style="font-size: 1px">
<td colspan="13" align="left" style="border-top: 2px solid #000000"> </td>
</tr>
<tr valign="bottom" style="line-height: 4pt"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Balance as of January 1, 2010
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">1.9</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">0.2</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">2.1</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="13" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Total gains or (losses) (unrealized/realized)
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Included in regulatory assets/liabilities
</div></td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(4.2</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">(4.2</td>
<td nowrap="nowrap">)</td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Purchases, issuances and settlements (net)
</div></td>
<td> </td>
<td> </td>
<td align="right">2.3</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">2.3</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="13" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Balance as of June 30, 2010
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">0.2</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">0.2</td>
<td> </td>
</tr>
<tr valign="bottom" style="line-height: 4pt"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Change in unrealized gains/(losses) relating to instruments still
held as of June 30, 2010
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">-</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="13" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="73%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="6%"> </td>
<td width="1%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="6%"> </td>
<td width="1%"> </td>
<td width="2%"> </td>
<td width="1%"> </td>
<td width="6%"> </td>
<td width="1%"> </td>
</tr>
<tr style="font-size: 9pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Financial</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
</tr>
<tr style="font-size: 9pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Transmission</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Other</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"> </td>
<td> </td>
</tr>
<tr style="font-size: 9pt" valign="bottom">
<td nowrap="nowrap" align="left">Six Months Ended, June 30, 2009 <i>(in millions)</i></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Rights</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Derivatives</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">  Total  </td>
<td> </td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr style="font-size: 1px">
<td colspan="13" align="left" style="border-top: 2px solid #000000"> </td>
</tr>
<tr valign="bottom" style="line-height: 4pt"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Balance as of January 1, 2009
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">2.6</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">1.6</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">4.2</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="13" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Total gains or losses (unrealized/realized)
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:30px; text-indent:-15px">Included in regulatory assets/liabilities
</div></td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(0.3</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">0.4</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">0.1</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Purchases, issuances and settlements (net)
</div></td>
<td> </td>
<td> </td>
<td align="right">0.4</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(2.7</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right">(2.3</td>
<td nowrap="nowrap">)</td>
</tr>
<tr style="font-size: 1px">
<td colspan="13" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Balance as of June 30, 2009
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">2.7</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="left">$</td>
<td align="right">(0.7</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td align="left">$</td>
<td align="right">2.0</td>
<td> </td>
</tr>
<tr valign="bottom" style="line-height: 4pt"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Change in unrealized gains/(losses) relating to instruments still
held as of June 30, 2009
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">-</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">0.4</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">0.4</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="13" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
<div align="justify" style="font-size: 10pt; margin-top: 10pt">As discussed in Note 9, as part of the MISO Day 2 initiative, Northern Indiana obtains FTRs,
which help to offset congestion costs due to the MISO Day 2 activity. These instruments are
considered derivatives and are classified as Level 3 and reflected in the table above. FTRs are
valued using a valuation model based on the value of allocated ARRs and forecasted congestion
costs. Since congestion costs are recoverable through the fuel cost recovery mechanism, the related
gains and losses associated with marking these derivatives to market are recorded as a regulatory
asset or liability. Northern Indiana also writes options for regulatory incentive purposes which
are also considered Level 3 valuations. Realized gains and losses for these Level 3 recurring items
are included in income within Cost of Sales on the Statements of Consolidated Income (Loss).
Unrealized gains and losses from Level 3
recurring items are included within Regulatory assets or
Regulatory liabilities, on the Condensed Consolidated Balance Sheets (unaudited).
</div>
<div align="justify" style="font-size: 10pt; margin-top: 10pt"><b><i>Non-recurring Fair Value Measurements. </i></b>There were no non-recurring fair value measurements
recorded during the first six months of 2010.
</div>
<div align="justify" style="font-size: 10pt; margin-top: 10pt"><b>B.</b>            <b>Other Fair Value Disclosures for Financial Instruments. </b>NiSource has certain financial
instruments that are not measured at fair value on a recurring basis but nevertheless are recorded
at amounts that approximate fair value due to their liquid or short-term nature, including cash and
cash equivalents, restricted cash, accounts receivable, accounts payable, customer deposits and
short-term borrowings. NiSource’s long-term borrowings are recorded at historical amounts unless
designated as a hedged item in a fair value hedge.
</div>
<div align="justify" style="font-size: 10pt; margin-top: 10pt">The following methods and assumptions were used to estimate the fair value of each class of
financial instruments for which it is practicable to estimate fair value.
</div>
<div align="justify" style="font-size: 10pt; margin-top: 10pt"><b><i>Investments. </i></b>NiSource has corporate owned life insurance which is measured and recorded at cash
surrender value. NiSource’s investments in corporate owned life insurance at June 30, 2010 and
December 31, 2009 were $23.2 million and $23.7 million.
</div>
<div align="justify" style="font-size: 10pt; margin-top: 10pt"><b><i>Long-term Debt. </i></b>The fair values of these securities are estimated based on the quoted market
prices for the same or similar issues or on the rates offered for securities of the same remaining
maturities. Certain premium costs associated with the early settlement of long-term debt are not
taken into consideration in determining fair value.
</div>
<div align="justify" style="font-size: 10pt; margin-top: 10pt">The carrying amount and estimated fair values of financial instruments were as follows:
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="52%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Carrying</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Estimated Fair</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Carrying</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Estimated Fair</td>
<td> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Amount as of</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>Value as of</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Amount as of</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Value as of</td>
<td> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td nowrap="nowrap" align="left"><i>(in millions)</i></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>June 30, 2010</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2"><b>June 30, 2010</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Dec. 31, 2009</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2">Dec. 31, 2009</td>
<td> </td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 2px solid #000000"> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Long-term investments
</div></td>
<td> </td>
<td align="left"><b>$</b></td>
<td align="right"><b>24.0</b></td>
<td> </td>
<td> </td>
<td align="left"><b>$</b></td>
<td align="right"><b>23.9</b></td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">24.5</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">23.2</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Long-term debt
(including current
portion)
</div></td>
<td> </td>
<td> </td>
<td align="right"><b>6,696.1</b></td>
<td> </td>
<td> </td>
<td> </td>
<td align="right"><b>7,282.7</b></td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">6,688.8</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">7,094.9</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td colspan="17" align="left" style="border-top: 1px solid #000000"> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
</div>
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This item represents the complete disclosure regarding the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the Company is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risk is are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.
Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15B
-Subparagraph a, b
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 3, 10, 14, 15
Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44A, 44B
Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32, 33, 34
Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15C, 15D
Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15A
-Subparagraph a-d
Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 159
-Paragraph 17-22, 27, 28
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