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    <rr:SupplementToProspectusTextBlock contextRef="AsOf2019-06-25_custom_S000001038Member">&lt;p style="margin-top: 0; margin-bottom: 0; text-align: right"&gt;&lt;font style="font-size: 11pt"&gt;June 25, 2019&lt;/font&gt;&lt;/p&gt;&#13;&#13;&lt;p style="margin-top: 0; margin-bottom: 0; text-align: center"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/p&gt;&#13;&#13;&lt;p style="margin-top: 0; margin-bottom: 0; text-align: center"&gt;&lt;b&gt;IMPORTANT NOTICE TO SHAREHOLDERS &lt;/b&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"&gt;&lt;b&gt;WILSHIRE VARIABLE INSURANCE TRUST&lt;br /&gt;&#13;Wilshire Global Allocation Fund &lt;/b&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"&gt;&lt;b&gt;Supplement to the Summary Prospectus and&#13;Statutory Prospectus,&lt;br /&gt;&#13;each dated April 30, 2019&lt;/b&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;THIS SUPPLEMENT REPLACES AND SUPERCEDES ANY&#13;CONTRARY INFORMATION CONTAINED IN THE SUMMARY PROSPECTUS AND PROSPECTUS OF THE WILSHIRE GLOBAL ALLOCATION FUND (THE &amp;#34;FUND&amp;#34;).&lt;/p&gt;&#13;&#13;&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;On May 20, 2019, the Board of Trustees (the&#13;&amp;#34;Board&amp;#34;) approved a change to the Fund's primary benchmark from the MSCI All Country World Index ex U.S. (&amp;#34;MSCI ACWI&#13;ex-US&amp;#34;) to the MSCI All Country World Index ex-US Investable Market Index (the &amp;#34;MSCI ACWI ex-US IMI&amp;#34;), and to the Fund's&#13;blended benchmark index (the &amp;#34;Blended Index&amp;#34;) such that the Blended Index would consist of 65% MSCI ACWI ex-US IMI and&#13;35% Bloomberg Barclays Global Aggregate Index (Hedged), effective June 28, 2019. The Summary Prospectus and Prospectus of the Fund&#13;are supplemented as detailed below.&lt;/p&gt;&#13;&#13;&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The Average Annual Total Returns presented under&#13;the heading &amp;#34;Past Performance&amp;#34; of the Summary Prospectus and Prospectus of the Fund is amended to include the MSCI ACWI&#13;ex-US IMI as set forth below.&lt;/p&gt;&#13;&#13;&#13;&#13;&lt;p style="margin-top: 0; margin-bottom: 0"&gt;&lt;/p&gt;&#13;&#13;&lt;p style="margin-top: 0; margin-bottom: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="font: 11pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: bottom; width: 59%"&gt;&lt;font style="font-family: Times New Roman, Times, Serif"&gt;&lt;b&gt;Average Annual Total Returns&lt;br /&gt;&#13;(periods ended December 31, 2018)&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;&#13; 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Effective June 28, 2019, the Funds benchmark changed from the MSCI All Country World Index ex US to the MSCI All Country World Index ex-US Investable Market Index based upon the Advisers determination that the MSCI All Country World Index ex-US Investable Market Index more closely aligns with the investment strategy of the Fund. &lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="font: 11pt Times New Roman, Times, Serif; width: 100%"&gt;&#13;&lt;tr style="vertical-align: top"&gt;&#13;    &lt;td style="width: 48px; text-align: justify"&gt;&lt;font style="font-family: Times New Roman, Times, Serif"&gt;(2) &lt;/font&gt;&lt;/td&gt;&#13;    &lt;td&gt;&lt;font style="font-family: Times New Roman, Times, Serif"&gt;The Stock/Bond Composite shown above consists of 65% MSCI All Country World Index ex-US Investable Market Index and 35% Bloomberg Barclays Global Aggregate Index (Hedged). &lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"&gt;If you have any questions regarding the Fund,&#13;please call (866) 591-1568.&lt;/p&gt;&#13;&#13;&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"&gt;&lt;b&gt;&lt;i&gt;Investors Should Retain this Supplement&#13;for Future Reference. &lt;/i&gt;&lt;/b&gt;&lt;/p&gt;&#13;&#13;&#13;&#13;&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 11pt Times New Roman, Times, Serif; margin: 0 0 8pt"&gt;&amp;#160;&lt;/p&gt;</rr:SupplementToProspectusTextBlock>
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