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<!-- Generated by CompSci Transform (tm) - http://www.compsciresources.com -->
<!-- Created: Wed Apr 01 21:04:58 UTC 2026 -->
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    <loc xlink:type="locator" xlink:label="sei_AmandaMBrockMember" xlink:href="sei-20260515.xsd#sei_AmandaMBrockMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sei_AmandaMBrockMember_lbl" xml:lang="en-US">Amanda M. Brock [Member]</label>
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    <loc xlink:type="locator" xlink:label="sei_WilliamAZartlerMember" xlink:href="sei-20260515.xsd#sei_WilliamAZartlerMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sei_WilliamAZartlerMember_lbl" xml:lang="en-US">William A. Zartler [Member]</label>
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    <loc xlink:type="locator" xlink:label="us-gaap_ProfitLoss" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProfitLoss_lbl" xml:lang="en-US">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</label>
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