<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by Broadridge Transform (tm) - http://www.broadridge.com -->
<!-- Created: Tue Sep 01 00:28:13 UTC 2026 -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="plic_IndexLinkedVariableIncomeBenefitMember" xlink:href="plic-20251231.xsd#plic_IndexLinkedVariableIncomeBenefitMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="plic_IndexLinkedVariableIncomeBenefitMember_lbl" xml:lang="en-US">Index Linked Variable Income Benefit [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="plic_IndexLinkedVariableIncomeBenefitMember_lbl0" xml:lang="en-US">Index Linked Variable Income Benefit Member</label>
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