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      xml:lang="en-US">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="c_7833_duration_PutnamVTInternationalValueFund_ClassIA_2026-01-01_2026-06-30Member"
      id="ixv-132"
      xml:lang="en-US">&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;You
can find additional information about the Fund at &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;https://www.franklintempleton.com/regulatory-fund-documents&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;.
You can also &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;request this information
by contacting us at &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;(800)
225-1581&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;.&lt;/span&gt;</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="c_7833_duration_PutnamVTInternationalValueFund_ClassIA_2026-01-01_2026-06-30Member"
      id="ixv-134"
      xml:lang="en-US">https://www.franklintempleton.com/regulatory-fund-documents</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="c_7833_duration_PutnamVTInternationalValueFund_ClassIA_2026-01-01_2026-06-30Member"
      id="ixv-138"
      xml:lang="en-US">(800)
225-1581</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="c_7833_duration_PutnamVTInternationalValueFund_ClassIA_2026-01-01_2026-06-30Member"
      id="foot-7833_843512-1011"
      xml:lang="en-US">

&lt;div&gt;&lt;span style="text-transform:uppercase;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:12.024pt;text-transform:uppercase;color:#1447FF;;"&gt;&lt;b&gt;WHAT
WERE THE FUND COSTS FOR THE LAST SIX MONTHS? &lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.824pt;color:#2D2D2D;;"&gt;(based
on a hypothetical $10,000 investment)&lt;/span&gt;&lt;/div&gt;

&lt;div&gt;

&lt;table cellspacing="0" style="width:98%;cellspacing:0;border-top:1.5pt solid #E6FAFF;border-left:1.5pt solid #E6FAFF; border-right:1.5pt solid #E6FAFF; border-bottom:1.5pt solid #E6FAFF; margin-left:7.9pt;"&gt;
  &lt;tr style="height:1px;"&gt;
    &lt;td style="height:1px;width:50%;background-color:#E6FAFF;"&gt;&lt;/td&gt;
    &lt;td style="height:1px;width:22.33812949640288%;background-color:#E6FAFF;"&gt;&lt;/td&gt;
    &lt;td style="height:1px;width:27.661870503597125%;background-color:#E6FAFF;"&gt;&lt;/td&gt; &lt;/tr&gt;
  &lt;tr&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;border-bottom:1.5pt solid #1447FF;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:left;text-align:left;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;b&gt;Class
        Name&lt;/b&gt;&lt;/span&gt;&lt;/div&gt; &lt;/td&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;border-bottom:1.5pt solid #1447FF;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:center;text-align:center;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;b&gt;Costs
        of a $10,000 &lt;/b&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;b&gt;investment&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;border-bottom:1.5pt solid #1447FF;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:center;text-align:center;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;b&gt;Costs
        paid as a percentage of a &lt;/b&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;b&gt;$10,000
        investment&lt;/b&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;sup&gt;*&lt;/sup&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:7.5pt;;"&gt;&lt;sup&gt;,&lt;/sup&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;sup&gt;&#x2020;&lt;/sup&gt;&lt;/span&gt;
        &lt;/div&gt; &lt;/td&gt; &lt;/tr&gt;
  &lt;tr&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:left;text-align:left;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;Class
        IA&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:7.5pt;;"&gt;&lt;sup&gt;1&lt;/sup&gt;&lt;/span&gt; &lt;/div&gt; &lt;/td&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:center;text-align:center;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;"&gt;$41&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;white-space:nowrap;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:center;text-align:center;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;"&gt;0.79%&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt; &lt;/tr&gt;
  &lt;/table&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="c_7833_duration_PutnamVTInternationalValueFund_ClassIA_2026-01-01_2026-06-30Member"
      decimals="INF"
      id="foot-7833_843512-1021"
      unitRef="USD">41</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="c_7833_duration_PutnamVTInternationalValueFund_ClassIA_2026-01-01_2026-06-30Member"
      decimals="INF"
      id="foot-7833_843512-1031"
      unitRef="RATIO">0.0079</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="c_7833_duration_PutnamVTInternationalValueFund_ClassIA_2026-01-01_2026-06-30Member"
      id="ixv-222"
      xml:lang="en-US">

&lt;div&gt;&lt;span style="text-transform:uppercase;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:12.024pt;text-transform:uppercase;color:#1447FF;;"&gt;&lt;b&gt;KEY
FUND STATISTICS &lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.824pt;color:#2D2D2D;;"&gt;(as
of &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.824pt;color:#2D2D2D;;"&gt;June 30, 2026)&lt;/span&gt;&lt;/div&gt;

&lt;div&gt;

&lt;table cellspacing="0" style="width:98%;cellspacing:0;border-top:1.5pt solid #6B6B6B;margin-left:7.75pt;border-bottom:1.5pt solid #6B6B6B;margin-top:10px;"&gt;
  &lt;tr style="height:1px;"&gt;
    &lt;td style="height:1px;width:74.41007194244604%;"&gt;&lt;/td&gt;
    &lt;td style="height:1px;width:25.58992805755396%;"&gt;&lt;/td&gt; &lt;/tr&gt;
  &lt;tr&gt;
    &lt;td colspan="1" style="border-bottom:0.75pt solid #6B6B6B;vertical-align:top"&gt;
        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:left;text-align:left;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#2D2D2D;;"&gt;&lt;b&gt;Total
        Net Assets&lt;/b&gt;&lt;/span&gt;&lt;/div&gt; &lt;/td&gt;
    &lt;td colspan="1" style="border-bottom:0.75pt solid #6B6B6B;vertical-align:bottom"&gt;
        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:right;text-align:right;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;"&gt;$334,615,792&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt; &lt;/tr&gt;
  &lt;tr&gt;
    &lt;td colspan="1" style="border-bottom:0.75pt solid #6B6B6B;vertical-align:top"&gt;
        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:left;text-align:left;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#2D2D2D;;"&gt;&lt;b&gt;Total
        Number of Portfolio Holdings (excludes derivatives, except purchased options, if any)&lt;/b&gt;&lt;/span&gt;&lt;/div&gt; &lt;/td&gt;
    &lt;td colspan="1" style="border-bottom:0.75pt solid #6B6B6B;vertical-align:bottom"&gt;
        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:right;text-align:right;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;"&gt;69&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt; &lt;/tr&gt;
  &lt;tr&gt;
    &lt;td colspan="1" style="vertical-align:top"&gt;
        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:left;text-align:left;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#2D2D2D;;"&gt;&lt;b&gt;Portfolio
        Turnover Rate&lt;/b&gt;&lt;/span&gt;&lt;/div&gt; &lt;/td&gt;
    &lt;td colspan="1" style="white-space:nowrap;vertical-align:bottom"&gt;
        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:right;text-align:right;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;"&gt;15%&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt; &lt;/tr&gt;
  &lt;/table&gt;&lt;/div&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="c_7833_instant_PutnamVTInternationalValueFund_ClassIA_2026-06-30Member"
      decimals="INF"
      id="ixv-17281"
      unitRef="USD">334615792</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="c_7833_instant_PutnamVTInternationalValueFund_ClassIA_2026-06-30Member"
      decimals="INF"
      id="ixv-17282"
      unitRef="UNIT">69</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="c_7833_duration_PutnamVTInternationalValueFund_ClassIA_2026-01-01_2026-06-30Member"
      decimals="INF"
      id="ixv-17283"
      unitRef="RATIO">0.15</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="c_7833_duration_PutnamVTInternationalValueFund_ClassIA_2026-01-01_2026-06-30Member"
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&lt;div&gt;&lt;span style="text-transform:uppercase;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:12.024pt;text-transform:uppercase;color:#1447FF;;"&gt;&lt;b&gt;WHAT
DID THE FUND INVEST IN? &lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.824pt;color:#2D2D2D;;"&gt;(as
of &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.824pt;color:#2D2D2D;;"&gt;June 30, 2026)&lt;/span&gt;&lt;/div&gt;

&lt;div&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:12.024pt;color:#161616;;"&gt;&lt;b&gt;Portfolio Composition&lt;/b&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:12.024pt;color:#161616;;"&gt;&lt;sup&gt;*&lt;/sup&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:12.024pt;color:#161616;;"&gt;&lt;b&gt;&#160;&#x2009;(%
of Total Investments)&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;

&lt;div&gt;&lt;img alt="image" src="ts7833img004.jpg" style="width:96.41294838145232%"/&gt;&lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:UpdProspectusWebAddress
      contextRef="c_7833_duration_PutnamVTInternationalValueFund_ClassIA_2026-01-01_2026-06-30Member"
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      xml:lang="en-US">https://www.franklintempleton.com/regulatory-fund-documents</oef:UpdProspectusWebAddress>
    <dei:NoTradingSymbolFlag
      contextRef="c_7833_duration_PutnamVTInternationalValueFund_ClassIA_2026-01-01_2026-06-30Member"
      id="ixv-17284">true</dei:NoTradingSymbolFlag>
    <oef:PctOfTotalInv
      contextRef="c_7833_instant_PutnamVTInternationalValueFund_ClassIA_2026-06-30_1629Member"
      decimals="INF"
      id="ixv-17285"
      unitRef="RATIO">0.200</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7833_instant_PutnamVTInternationalValueFund_ClassIA_2026-06-30_1602Member"
      decimals="INF"
      id="ixv-17286"
      unitRef="RATIO">0.148</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7833_instant_PutnamVTInternationalValueFund_ClassIA_2026-06-30_1653Member"
      decimals="INF"
      id="ixv-17287"
      unitRef="RATIO">0.102</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7833_instant_PutnamVTInternationalValueFund_ClassIA_2026-06-30_1488Member"
      decimals="INF"
      id="ixv-17288"
      unitRef="RATIO">0.094</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7833_instant_PutnamVTInternationalValueFund_ClassIA_2026-06-30_1581Member"
      decimals="INF"
      id="ixv-17289"
      unitRef="RATIO">0.093</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7833_instant_PutnamVTInternationalValueFund_ClassIA_2026-06-30_1586Member"
      decimals="INF"
      id="ixv-17290"
      unitRef="RATIO">0.090</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7833_instant_PutnamVTInternationalValueFund_ClassIA_2026-06-30_1524Member"
      decimals="INF"
      id="ixv-17291"
      unitRef="RATIO">0.064</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7833_instant_PutnamVTInternationalValueFund_ClassIA_2026-06-30_1603Member"
      decimals="INF"
      id="ixv-17292"
      unitRef="RATIO">0.039</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7833_instant_PutnamVTInternationalValueFund_ClassIA_2026-06-30_1605Member"
      decimals="INF"
      id="ixv-17293"
      unitRef="RATIO">0.033</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7833_instant_PutnamVTInternationalValueFund_ClassIA_2026-06-30_1667Member"
      decimals="INF"
      id="ixv-17294"
      unitRef="RATIO">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7833_instant_PutnamVTInternationalValueFund_ClassIA_2026-06-30_1569Member"
      decimals="INF"
      id="ixv-17295"
      unitRef="RATIO">0.022</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7833_instant_PutnamVTInternationalValueFund_ClassIA_2026-06-30_1649Member"
      decimals="INF"
      id="ixv-17296"
      unitRef="RATIO">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7833_instant_PutnamVTInternationalValueFund_ClassIA_2026-06-30_1513Member"
      decimals="INF"
      id="ixv-17297"
      unitRef="RATIO">0.019</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7833_instant_PutnamVTInternationalValueFund_ClassIA_2026-06-30_1619Member"
      decimals="INF"
      id="ixv-17298"
      unitRef="RATIO">0.005</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7833_instant_PutnamVTInternationalValueFund_ClassIA_2026-06-30_3485Member"
      decimals="INF"
      id="ixv-17299"
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    <oef:FundName
      contextRef="c_7834_duration_PutnamVTInternationalValueFund_ClassIB_2026-01-01_2026-06-30Member"
      id="ixv-351"
      xml:lang="en-US">Putnam         VT International Value Fund</oef:FundName>
    <oef:ClassName
      contextRef="c_7834_duration_PutnamVTInternationalValueFund_ClassIB_2026-01-01_2026-06-30Member"
      id="ixv-357"
      xml:lang="en-US">Class         IB</oef:ClassName>
    <dei:DocumentPeriodEndDate
      contextRef="c_7833_duration_PutnamVTInternationalValueFund_2026-01-01_2026-06-30Member"
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      xml:lang="en-US">2026-06-30</dei:DocumentPeriodEndDate>
    <oef:AnnlOrSemiAnnlStatementTextBlock
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      xml:lang="en-US">&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;This
&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;semi-annual
shareholder report&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;
contains important information about &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;Putnam
VT International Value Fund for the period &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;January
1, &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;2026, to &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;June
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    <oef:AddlInfoTextBlock
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      id="ixv-379"
      xml:lang="en-US">&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;You
can find additional information about the Fund at &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;https://www.franklintempleton.com/regulatory-fund-documents&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;.
You can also &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;request this information
by contacting us at &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;(800)
225-1581&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;.&lt;/span&gt;</oef:AddlInfoTextBlock>
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      contextRef="c_7834_duration_PutnamVTInternationalValueFund_ClassIB_2026-01-01_2026-06-30Member"
      id="ixv-381"
      xml:lang="en-US">https://www.franklintempleton.com/regulatory-fund-documents</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="c_7834_duration_PutnamVTInternationalValueFund_ClassIB_2026-01-01_2026-06-30Member"
      id="ixv-385"
      xml:lang="en-US">(800)
225-1581</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="c_7834_duration_PutnamVTInternationalValueFund_ClassIB_2026-01-01_2026-06-30Member"
      id="foot-7834_843595-1011"
      xml:lang="en-US">

&lt;div&gt;&lt;span style="text-transform:uppercase;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:12.024pt;text-transform:uppercase;color:#1447FF;;"&gt;&lt;b&gt;WHAT
WERE THE FUND COSTS FOR THE LAST SIX MONTHS? &lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.824pt;color:#2D2D2D;;"&gt;(based
on a hypothetical $10,000 investment)&lt;/span&gt;&lt;/div&gt;

&lt;div&gt;

&lt;table cellspacing="0" style="width:98%;cellspacing:0;border-top:1.5pt solid #E6FAFF;border-left:1.5pt solid #E6FAFF; border-right:1.5pt solid #E6FAFF; border-bottom:1.5pt solid #E6FAFF; margin-left:7.9pt;"&gt;
  &lt;tr style="height:1px;"&gt;
    &lt;td style="height:1px;width:50%;background-color:#E6FAFF;"&gt;&lt;/td&gt;
    &lt;td style="height:1px;width:22.33812949640288%;background-color:#E6FAFF;"&gt;&lt;/td&gt;
    &lt;td style="height:1px;width:27.661870503597125%;background-color:#E6FAFF;"&gt;&lt;/td&gt; &lt;/tr&gt;
  &lt;tr&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;border-bottom:1.5pt solid #1447FF;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:left;text-align:left;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;b&gt;Class
        Name&lt;/b&gt;&lt;/span&gt;&lt;/div&gt; &lt;/td&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;border-bottom:1.5pt solid #1447FF;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:center;text-align:center;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;b&gt;Costs
        of a $10,000 &lt;/b&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;b&gt;investment&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;border-bottom:1.5pt solid #1447FF;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:center;text-align:center;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;b&gt;Costs
        paid as a percentage of a &lt;/b&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;b&gt;$10,000
        investment&lt;/b&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;sup&gt;*&lt;/sup&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:7.5pt;;"&gt;&lt;sup&gt;,&lt;/sup&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;sup&gt;&#x2020;&lt;/sup&gt;&lt;/span&gt;
        &lt;/div&gt; &lt;/td&gt; &lt;/tr&gt;
  &lt;tr&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:left;text-align:left;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;Class
        IB&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:7.5pt;;"&gt;&lt;sup&gt;1&lt;/sup&gt;&lt;/span&gt; &lt;/div&gt; &lt;/td&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:center;text-align:center;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;"&gt;$54&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;white-space:nowrap;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:center;text-align:center;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;"&gt;1.04%&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt; &lt;/tr&gt;
  &lt;/table&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="c_7834_duration_PutnamVTInternationalValueFund_ClassIB_2026-01-01_2026-06-30Member"
      decimals="INF"
      id="foot-7834_843595-1021"
      unitRef="USD">54</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="c_7834_duration_PutnamVTInternationalValueFund_ClassIB_2026-01-01_2026-06-30Member"
      decimals="INF"
      id="foot-7834_843595-1031"
      unitRef="RATIO">0.0104</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="c_7834_duration_PutnamVTInternationalValueFund_ClassIB_2026-01-01_2026-06-30Member"
      id="ixv-469"
      xml:lang="en-US">

&lt;div&gt;&lt;span style="text-transform:uppercase;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:12.024pt;text-transform:uppercase;color:#1447FF;;"&gt;&lt;b&gt;KEY
FUND STATISTICS &lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.824pt;color:#2D2D2D;;"&gt;(as
of &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.824pt;color:#2D2D2D;;"&gt;June 30, 2026)&lt;/span&gt;&lt;/div&gt;

&lt;div&gt;

&lt;table cellspacing="0" style="width:98%;cellspacing:0;border-top:1.5pt solid #6B6B6B;margin-left:7.75pt;border-bottom:1.5pt solid #6B6B6B;margin-top:10px;"&gt;
  &lt;tr style="height:1px;"&gt;
    &lt;td style="height:1px;width:74.41007194244604%;"&gt;&lt;/td&gt;
    &lt;td style="height:1px;width:25.58992805755396%;"&gt;&lt;/td&gt; &lt;/tr&gt;
  &lt;tr&gt;
    &lt;td colspan="1" style="border-bottom:0.75pt solid #6B6B6B;vertical-align:top"&gt;
        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:left;text-align:left;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#2D2D2D;;"&gt;&lt;b&gt;Total
        Net Assets&lt;/b&gt;&lt;/span&gt;&lt;/div&gt; &lt;/td&gt;
    &lt;td colspan="1" style="border-bottom:0.75pt solid #6B6B6B;vertical-align:bottom"&gt;
        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:right;text-align:right;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;"&gt;$334,615,792&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt; &lt;/tr&gt;
  &lt;tr&gt;
    &lt;td colspan="1" style="border-bottom:0.75pt solid #6B6B6B;vertical-align:top"&gt;
        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:left;text-align:left;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#2D2D2D;;"&gt;&lt;b&gt;Total
        Number of Portfolio Holdings (excludes derivatives, except purchased options, if any)&lt;/b&gt;&lt;/span&gt;&lt;/div&gt; &lt;/td&gt;
    &lt;td colspan="1" style="border-bottom:0.75pt solid #6B6B6B;vertical-align:bottom"&gt;
        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:right;text-align:right;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;"&gt;69&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt; &lt;/tr&gt;
  &lt;tr&gt;
    &lt;td colspan="1" style="vertical-align:top"&gt;
        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:left;text-align:left;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#2D2D2D;;"&gt;&lt;b&gt;Portfolio
        Turnover Rate&lt;/b&gt;&lt;/span&gt;&lt;/div&gt; &lt;/td&gt;
    &lt;td colspan="1" style="white-space:nowrap;vertical-align:bottom"&gt;
        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:right;text-align:right;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;"&gt;15%&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt; &lt;/tr&gt;
  &lt;/table&gt;&lt;/div&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="c_7834_instant_PutnamVTInternationalValueFund_ClassIB_2026-06-30Member"
      decimals="INF"
      id="ixv-17302"
      unitRef="USD">334615792</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="c_7834_instant_PutnamVTInternationalValueFund_ClassIB_2026-06-30Member"
      decimals="INF"
      id="ixv-17303"
      unitRef="UNIT">69</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="c_7834_duration_PutnamVTInternationalValueFund_ClassIB_2026-01-01_2026-06-30Member"
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      id="ixv-17304"
      unitRef="RATIO">0.15</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="c_7834_duration_PutnamVTInternationalValueFund_ClassIB_2026-01-01_2026-06-30Member"
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&lt;div&gt;&lt;span style="text-transform:uppercase;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:12.024pt;text-transform:uppercase;color:#1447FF;;"&gt;&lt;b&gt;WHAT
DID THE FUND INVEST IN? &lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.824pt;color:#2D2D2D;;"&gt;(as
of &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.824pt;color:#2D2D2D;;"&gt;June 30, 2026)&lt;/span&gt;&lt;/div&gt;

&lt;div&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:12.024pt;color:#161616;;"&gt;&lt;b&gt;Portfolio Composition&lt;/b&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:12.024pt;color:#161616;;"&gt;&lt;sup&gt;*&lt;/sup&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:12.024pt;color:#161616;;"&gt;&lt;b&gt;&#160;&#x2009;(%
of Total Investments)&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;

&lt;div&gt;&lt;img alt="image" src="ts7834img004.jpg" style="width:96.41294838145232%"/&gt;&lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:UpdProspectusWebAddress
      contextRef="c_7834_duration_PutnamVTInternationalValueFund_ClassIB_2026-01-01_2026-06-30Member"
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      xml:lang="en-US">https://www.franklintempleton.com/regulatory-fund-documents</oef:UpdProspectusWebAddress>
    <dei:NoTradingSymbolFlag
      contextRef="c_7834_duration_PutnamVTInternationalValueFund_ClassIB_2026-01-01_2026-06-30Member"
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    <oef:PctOfTotalInv
      contextRef="c_7834_instant_PutnamVTInternationalValueFund_ClassIB_2026-06-30_1629Member"
      decimals="INF"
      id="ixv-17306"
      unitRef="RATIO">0.200</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7834_instant_PutnamVTInternationalValueFund_ClassIB_2026-06-30_1602Member"
      decimals="INF"
      id="ixv-17307"
      unitRef="RATIO">0.148</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7834_instant_PutnamVTInternationalValueFund_ClassIB_2026-06-30_1653Member"
      decimals="INF"
      id="ixv-17308"
      unitRef="RATIO">0.102</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7834_instant_PutnamVTInternationalValueFund_ClassIB_2026-06-30_1488Member"
      decimals="INF"
      id="ixv-17309"
      unitRef="RATIO">0.094</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7834_instant_PutnamVTInternationalValueFund_ClassIB_2026-06-30_1581Member"
      decimals="INF"
      id="ixv-17310"
      unitRef="RATIO">0.093</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7834_instant_PutnamVTInternationalValueFund_ClassIB_2026-06-30_1586Member"
      decimals="INF"
      id="ixv-17311"
      unitRef="RATIO">0.090</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7834_instant_PutnamVTInternationalValueFund_ClassIB_2026-06-30_1524Member"
      decimals="INF"
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      unitRef="RATIO">0.064</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7834_instant_PutnamVTInternationalValueFund_ClassIB_2026-06-30_1603Member"
      decimals="INF"
      id="ixv-17313"
      unitRef="RATIO">0.039</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7834_instant_PutnamVTInternationalValueFund_ClassIB_2026-06-30_1605Member"
      decimals="INF"
      id="ixv-17314"
      unitRef="RATIO">0.033</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7834_instant_PutnamVTInternationalValueFund_ClassIB_2026-06-30_1667Member"
      decimals="INF"
      id="ixv-17315"
      unitRef="RATIO">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7834_instant_PutnamVTInternationalValueFund_ClassIB_2026-06-30_1569Member"
      decimals="INF"
      id="ixv-17316"
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    <oef:PctOfTotalInv
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    <oef:PctOfTotalInv
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      decimals="INF"
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    <oef:PctOfTotalInv
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      decimals="INF"
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      unitRef="RATIO">0.005</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7834_instant_PutnamVTInternationalValueFund_ClassIB_2026-06-30_3485Member"
      decimals="INF"
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      unitRef="RATIO">0.048</oef:PctOfTotalInv>
    <link:footnoteLink
      xlink:role="http://www.xbrl.org/2003/role/link"
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        <link:loc
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          xlink:label="foot-7833_843512-1011"
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        <link:footnote id="WSF_7833_843512_11745" xlink:label="WSF_7833_843512_11745" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en"><xhtml:table style="padding-top:5pt;width:100%;cellspacing:0;margin-left:8pt;"><xhtml:tr><xhtml:td style="vertical-align:top;font-family:Arial, Helvetica, sans-serif;font-size:6pt;text-align:left;align:left;width:2%;"><xhtml:span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:8.02pt;color:#6B6B6B;;">*</xhtml:span></xhtml:td><xhtml:td style="padding-bottom:0pt;padding-top:-10.02pt;padding-left:2pt;padding-right:0pt;"><xhtml:span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:9.02pt;color:#6B6B6B;;">Reflects
        fee waivers and/or expense reimbursements, without which expenses would have been higher.</xhtml:span></xhtml:td></xhtml:tr></xhtml:table></link:footnote>
        <link:footnoteArc
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        <link:footnote id="WSF_7833_843512_11979" xlink:label="WSF_7833_843512_11979" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en"><xhtml:table style="padding-top:5pt;width:100%;cellspacing:0;margin-left:8pt;"><xhtml:tr><xhtml:td style="vertical-align:top;font-family:Arial, Helvetica, sans-serif;font-size:6pt;text-align:left;align:left;width:2%;"><xhtml:span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:8.02pt;color:#6B6B6B;;">&#x2020;</xhtml:span></xhtml:td><xhtml:td style="padding-bottom:0pt;padding-top:-10.02pt;padding-left:2pt;padding-right:0pt;"><xhtml:span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:9.02pt;color:#6B6B6B;;">Annualized.</xhtml:span></xhtml:td></xhtml:tr></xhtml:table></link:footnote>
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