<?xml version="1.0" encoding="us-ascii"?><InstanceReport xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><Version>2.4.0.8</Version><ReportLongName>061000 - Disclosure - Employee Post-Retirement Benefits</ReportLongName><DisplayLabelColumn>true</DisplayLabelColumn><ShowElementNames>false</ShowElementNames><RoundingOption /><HasEmbeddedReports>false</HasEmbeddedReports><Columns><Column FlagID="0"><Id>1</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

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</LabelSeparator><Level>1</Level><ElementName>us-gaap_CompensationAndRetirementDisclosureAbstract</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText /><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>xbrli:stringItemType</ElementDataType><SimpleDataType>string</SimpleDataType><IsTotalLabel>false</IsTotalLabel><UnitID>0</UnitID><Label>Employee Post-Retirement Benefits [Abstract]</Label></Row><Row FlagID="0"><Id>2</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><Level>2</Level><ElementName>us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><PreferredLabelRole>verboseLabel</PreferredLabelRole><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="c20130101to20130630" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>&lt;div style="font-family: 'Times New Roman', Times, serif; font-size: 10pt;"&gt;&lt;div style="text-align: justify; font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt; font-weight: bold;"&gt;Note 10. Employee Post-Retirement Benefits&lt;/div&gt;&lt;div&gt;&lt;br /&gt;&lt;/div&gt;&lt;div style="text-align: justify; font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;HickoryTech provides post-retirement health care and life insurance benefits for eligible employees. We are currently not funding these post-retirement benefits, but have accrued these liabilities. We are required to recognize the funded status of our post-retirement benefit plans on our consolidated balance sheet and recognize as a component of accumulated other comprehensive income (loss), net of tax, the gains or losses and prior service costs or credit that arise during the period but are not recognized as components of net periodic benefit cost. Employees hired on or after January 1, 2007 are not eligible for post-retirement health care and life insurance benefits.&lt;/div&gt;&lt;div&gt;&lt;br /&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="width: 100%; font-family: 'Times New Roman', Times, serif; font-size: 10pt;"&gt;&lt;tr&gt;&lt;td valign="bottom" style="vertical-align: bottom;"&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="6" valign="bottom" style="vertical-align: bottom;"&gt;&lt;div style="text-align: center; font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;Three Months Ended&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="6" valign="bottom" style="vertical-align: bottom;"&gt;&lt;div style="text-align: center; font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;Six Months Ended&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td valign="bottom" style="border-bottom: #000000 2px solid; padding-bottom: 2px; vertical-align: bottom;"&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: #000000 2px solid; padding-bottom: 2px; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="6" valign="bottom" style="border-bottom: #000000 2px solid; vertical-align: bottom;"&gt;&lt;div style="text-align: center; font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;June 30&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: #000000 2px solid; text-align: left; padding-bottom: 2px; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: #000000 2px solid; padding-bottom: 2px; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="6" valign="bottom" style="border-bottom: #000000 2px solid; vertical-align: bottom;"&gt;&lt;div style="text-align: center; font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;June 30&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: #000000 2px solid; text-align: left; padding-bottom: 2px; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td valign="bottom" style="border-bottom: #000000 2px solid; padding-bottom: 2px; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-style: italic; text-indent: -7.2pt; font-family: ''Times New Roman'', Times, serif; color: #000000; margin-left: 7.2pt; font-size: 10pt;"&gt;(Dollars in thousands)&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: #000000 2px solid; padding-bottom: 2px; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="border-bottom: #000000 2px solid; vertical-align: bottom;"&gt;&lt;div style="text-align: center; font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;2013&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: #000000 2px solid; text-align: left; padding-bottom: 2px; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: #000000 2px solid; padding-bottom: 2px; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="border-bottom: #000000 2px solid; vertical-align: bottom;"&gt;&lt;div style="text-align: center; font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;2012&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: #000000 2px solid; text-align: left; padding-bottom: 2px; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: #000000 2px solid; padding-bottom: 2px; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="border-bottom: #000000 2px solid; vertical-align: bottom;"&gt;&lt;div style="text-align: center; font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;2013&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: #000000 2px solid; text-align: left; padding-bottom: 2px; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: #000000 2px solid; padding-bottom: 2px; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="border-bottom: #000000 2px solid; vertical-align: bottom;"&gt;&lt;div style="text-align: center; font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;2012&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: #000000 2px solid; text-align: left; padding-bottom: 2px; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td valign="bottom" style="vertical-align: bottom;"&gt;&lt;div style="text-align: left; text-indent: -7.2pt; font-family: ''Times New Roman'', Times, serif; color: #000000; margin-left: 7.2pt; font-size: 10pt;"&gt;Components of net periodic benefit cost&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="vertical-align: bottom;"&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="vertical-align: bottom;"&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="vertical-align: bottom;"&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="vertical-align: bottom;"&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td valign="bottom" style="background-color: #cceeff; width: 52%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: ''Times New Roman'', Times, serif; color: #000000; margin-left: 7.2pt; font-size: 10pt;"&gt;Service cost&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: left; background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&lt;div style="font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="text-align: right; background-color: #cceeff; width: 9%; vertical-align: bottom;"&gt;&lt;div style="font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;67&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: left; background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&lt;div style="font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="text-align: right; background-color: #cceeff; width: 9%; vertical-align: bottom;"&gt;&lt;div style="font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;150&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: left; background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&lt;div style="font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="text-align: right; background-color: #cceeff; width: 9%; vertical-align: bottom;"&gt;&lt;div style="font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;134&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: left; background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&lt;div style="font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="text-align: right; background-color: #cceeff; width: 9%; vertical-align: bottom;"&gt;&lt;div style="font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;300&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td valign="bottom" style="background-color: #ffffff; width: 52%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: ''Times New Roman'', Times, serif; color: #000000; margin-left: 7.2pt; font-size: 10pt;"&gt;Interest cost&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: left; background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: right; background-color: #ffffff; width: 9%; vertical-align: bottom;"&gt;&lt;div style="font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;120&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: left; background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: right; background-color: #ffffff; width: 9%; vertical-align: bottom;"&gt;&lt;div style="font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;188&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: left; background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: right; background-color: #ffffff; width: 9%; vertical-align: bottom;"&gt;&lt;div style="font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;240&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: left; background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: right; background-color: #ffffff; width: 9%; vertical-align: bottom;"&gt;&lt;div style="font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;376&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td valign="bottom" style="background-color: #cceeff; width: 52%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: ''Times New Roman'', Times, serif; color: #000000; margin-left: 7.2pt; font-size: 10pt;"&gt;Expected return on plan assets&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: left; background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: right; background-color: #cceeff; width: 9%; vertical-align: bottom;"&gt;&lt;div style="font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;-&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: left; background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: right; background-color: #cceeff; width: 9%; vertical-align: bottom;"&gt;&lt;div style="font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;-&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: left; background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: right; background-color: #cceeff; width: 9%; vertical-align: bottom;"&gt;&lt;div style="font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;-&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: left; background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: right; background-color: #cceeff; width: 9%; vertical-align: bottom;"&gt;&lt;div style="font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;-&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td valign="bottom" style="background-color: #ffffff; width: 52%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: ''Times New Roman'', Times, serif; color: #000000; margin-left: 7.2pt; font-size: 10pt;"&gt;Amortization of transition obligation&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: left; background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: right; background-color: #ffffff; width: 9%; vertical-align: bottom;"&gt;&lt;div style="font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;-&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: left; background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: right; background-color: #ffffff; width: 9%; vertical-align: bottom;"&gt;&lt;div style="font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;15&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: left; background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: right; background-color: #ffffff; width: 9%; vertical-align: bottom;"&gt;&lt;div style="font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;-&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: left; background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: right; background-color: #ffffff; width: 9%; vertical-align: bottom;"&gt;&lt;div style="font-family: ''Times New Roman'', Times, serif; color: #000000; font-size: 10pt;"&gt;30&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; background-color: #ffffff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td valign="bottom" style="background-color: #cceeff; width: 52%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: ''Times New Roman'', Times, serif; color: #000000; margin-left: 7.2pt; font-size: 10pt;"&gt;Amortization of prior service credits&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: left; background-color: #cceeff; width: 1%; vertical-align: bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="text-align: right; 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