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<?xml version="1.0" encoding="windows-1252"?> |
<!-- Generated by DFIN XBRL Instance Document - http://www.dfinsolutions.com/ - Version R3.0 - on 26-March-2024 [09:47:29] {PM} --> |
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"> |
| <roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" roleURI="http://www.xbrl.org/2009/role/negatedLabel"/> |
| <roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel"/> |
| <roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel"/> |
| <roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel"/> |
| <roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" roleURI="http://www.xbrl.org/2009/role/negatedNetLabel"/> |
| <roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel"/> |
| <roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" roleURI="http://www.xbrl.org/2009/role/netLabel"/> |
| <labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link"> |
| | <loc xlink:type="locator" xlink:href="slgn-20231231.xsd#slgn_AddedBackForPensionBenefitsMember" xlink:label="loc_slgn_AddedBackForPensionBenefitsMember"/> |
| | <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_slgn_AddedBackForPensionBenefitsMember" xml:lang="en-US"> Added back for Pension Benefits [Member] </label> |
| | <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_slgn_AddedBackForPensionBenefitsMember" xlink:to="lab_slgn_AddedBackForPensionBenefitsMember"/> |
| | <loc xlink:type="locator" xlink:href="slgn-20231231.xsd#slgn_AddedIncludingForEquityAwardsGrantedInPreviousYearsMember" xlink:label="loc_slgn_AddedIncludingForEquityAwardsGrantedInPreviousYearsMember"/> |
| | <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_slgn_AddedIncludingForEquityAwardsGrantedInPreviousYearsMember" xml:lang="en-US"> Added Including for Equity Awards Granted in Previous Years [Member] </label> |
| | <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_slgn_AddedIncludingForEquityAwardsGrantedInPreviousYearsMember" xlink:to="lab_slgn_AddedIncludingForEquityAwardsGrantedInPreviousYearsMember"/> |
| | <loc xlink:type="locator" xlink:href="slgn-20231231.xsd#slgn_PensionBenefitsMember" xlink:label="loc_slgn_PensionBenefitsMember"/> |
| | <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_slgn_PensionBenefitsMember" xml:lang="en-US"> Pension Benefits [Member] </label> |
| | <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_slgn_PensionBenefitsMember" xlink:to="lab_slgn_PensionBenefitsMember"/> |
| | <loc xlink:type="locator" xlink:href="slgn-20231231.xsd#slgn_ReduceEquityAwardsGrantedInCurrentYearsMember" xlink:label="loc_slgn_ReduceEquityAwardsGrantedInCurrentYearsMember"/> |
| | <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_slgn_ReduceEquityAwardsGrantedInCurrentYearsMember" xml:lang="en-US"> Reduce Equity Awards Granted in Current Years [Member] </label> |
| | <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_slgn_ReduceEquityAwardsGrantedInCurrentYearsMember" xlink:to="lab_slgn_ReduceEquityAwardsGrantedInCurrentYearsMember"/> |
| | <loc xlink:type="locator" xlink:href="slgn-20231231.xsd#slgn_Mr.AllottMember" xlink:label="loc_slgn_Mr.AllottMember"/> |
| | <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_slgn_Mr.AllottMember" xml:lang="en-US"> Mr. Allott [Member] </label> |
| | <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_slgn_Mr.AllottMember" xlink:to="lab_slgn_Mr.AllottMember"/> |
| | <loc xlink:type="locator" xlink:href="slgn-20231231.xsd#slgn_Mr.GreenleeMember" xlink:label="loc_slgn_Mr.GreenleeMember"/> |
| | <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_slgn_Mr.GreenleeMember" xml:lang="en-US"> Mr. Greenlee [Member] </label> |
| | <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_slgn_Mr.GreenleeMember" xlink:to="lab_slgn_Mr.GreenleeMember"/> |
| | </labelLink> |
| </linkbase> |