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&lt;p style="MARGIN: 0in 0in 0pt;"&gt;&lt;b&gt;&lt;font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold;" size="2"&gt;6.&amp;#160; LONG-TERM DEBT&lt;/font&gt;&lt;/b&gt;&lt;/p&gt;
&lt;p style="MARGIN: 0in 0in 0pt;"&gt;&amp;#160;&lt;/p&gt;
&lt;p style="TEXT-INDENT: 9.35pt; MARGIN: 0in 0in 0pt;"&gt;&lt;i&gt;&lt;font style="FONT-STYLE: italic; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2"&gt;Notes Offering&lt;/font&gt;&lt;/i&gt;&lt;/p&gt;
&lt;p style="TEXT-INDENT: 0.25in; MARGIN: 0in 0in 0pt;"&gt;&amp;#160;&lt;/p&gt;
&lt;p style="TEXT-INDENT: 0.25in; MARGIN: 0in 0in 0pt;"&gt;&lt;font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2"&gt;In June&amp;#160;2013, we issued $500.0 million of 4.150% Notes due July&amp;#160;1, 2023 (the &amp;#8220;4.150% Notes&amp;#8221;) in an underwritten public offering at 99.81% of their principal amount.&amp;#160; Total proceeds from this offering, after underwriters&amp;#8217; fees, expenses and debt issuance costs of $3.3 million, were approximately $495.8 million.&amp;#160; We used the net proceeds from this offering for general partnership purposes and to repay amounts due under our $1.25 billion revolving credit facility dated September&amp;#160;26, 2011 (the &amp;#8220;Credit Facility&amp;#8221;) with SunTrust Bank, a portion of which was subsequently reborrowed in July&amp;#160;2013 in order to repay in full the $300.0 million principal amount outstanding under the 4.625% Notes maturing on July&amp;#160;15, 2013 (the &amp;#8220;4.625% Notes&amp;#8221;), including approximately $6.9 million of related accrued interest.&amp;#160; We also settled all interest rate swaps relating to the 4.150% Notes for approximately&lt;/font&gt; &lt;font style="FONT-SIZE: 10pt;" size="2"&gt;$62.0&lt;/font&gt; &lt;font style="FONT-SIZE: 10pt;" size="2"&gt;million during June&amp;#160;2013.&lt;/font&gt;&lt;/p&gt;
&lt;p style="TEXT-INDENT: 22.5pt; MARGIN: 0in 0in 0pt 4.5pt;"&gt;&amp;#160;&lt;/p&gt;
&lt;p style="TEXT-INDENT: 9.35pt; MARGIN: 0in 0in 0pt;"&gt;&lt;i&gt;&lt;font style="FONT-STYLE: italic; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2"&gt;Current Maturities Expected to be Refinanced&lt;/font&gt;&lt;/i&gt;&lt;/p&gt;
&lt;p style="TEXT-INDENT: 0.25in; MARGIN: 0in 0in 0pt;"&gt;&amp;#160;&lt;/p&gt;
&lt;p style="TEXT-INDENT: 0.25in; MARGIN: 0in 0in 0pt;"&gt;&lt;font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2"&gt;At June&amp;#160;30, 2013,&lt;/font&gt; &lt;font style="FONT-SIZE: 10pt;" size="2"&gt;t&lt;/font&gt;&lt;font style="FONT-SIZE: 10pt;" size="2"&gt;he 4.625% Notes were classified as long-term debt in the unaudited condensed consolidated balance sheet because we had determined that our Credit Facility would be used to refinance this debt.&amp;#160; At June&amp;#160;30, 2013&lt;/font&gt;&lt;font style="FONT-SIZE: 10pt;" size="2"&gt;,&lt;/font&gt; &lt;font style="FONT-SIZE: 10pt;" size="2"&gt;we had $612.7 million of additional borrowing capacity available under our Credit Facility.&amp;#160; In July&amp;#160;2013, we repaid in full the $300.0 million principal amount outstanding under the 4.625% Notes using funds available under our Credit Facility.&lt;/font&gt;&lt;/p&gt;
&lt;/div&gt;</NonNumbericText><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>nonnum:textBlockItemType</ElementDataType><SimpleDataType>na</SimpleDataType><ElementDefenition>The entire disclosure for long-term debt.</ElementDefenition><ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef

 -Publisher SEC

 -Name Regulation S-X (SX)

 -Number 210

 -Section 02

 -Paragraph 22

 -Article 5



Reference 2: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 210

 -SubTopic 10

 -Section S99

 -Paragraph 1

 -Subparagraph (SX 210.5-02.22)

 -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682



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