<SEC-DOCUMENT>0000074303-26-000068.txt : 20260624
<SEC-HEADER>0000074303-26-000068.hdr.sgml : 20260624
<ACCEPTANCE-DATETIME>20260624172051
ACCESSION NUMBER:		0000074303-26-000068
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		34
CONFORMED PERIOD OF REPORT:	20251231
FILED AS OF DATE:		20260624
DATE AS OF CHANGE:		20260624

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OLIN Corp
		CENTRAL INDEX KEY:			0000074303
		STANDARD INDUSTRIAL CLASSIFICATION:	CHEMICALS & ALLIED PRODUCTS [2800]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		EIN:				131872319
		STATE OF INCORPORATION:			VA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-01070
		FILM NUMBER:		261116901

	BUSINESS ADDRESS:	
		STREET 1:		OLIN CORPORATION
		STREET 2:		190 CARONDELET PLAZA SUITE 1530
		CITY:			CLAYTON
		STATE:			MO
		ZIP:			63105
		BUSINESS PHONE:		3144801400

	MAIL ADDRESS:	
		STREET 1:		OLIN CORPORATION
		STREET 2:		190 CARONDELET PLAZA SUITE 1530
		CITY:			CLAYTON
		STATE:			MO
		ZIP:			63105

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	OLIN CORP
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	OLIN MATHIESON CHEMICAL CORP
		DATE OF NAME CHANGE:	19691008
</SEC-HEADER>
<DOCUMENT>
<TYPE>11-K
<SEQUENCE>1
<FILENAME>oln-20251231.htm
<DESCRIPTION>FORM 11-K
<TEXT>
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<title>oln-20251231</title></head><body><div style="display:none"><ix:header><ix:hidden><ix:nonNumeric contextRef="c-1" name="dei:EntityCentralIndexKey" id="f-4">0000074303</ix:nonNumeric><ix:nonNumeric contextRef="c-1" name="dei:AmendmentFlag" format="ixt:fixed-false" id="f-5">&#9744;</ix:nonNumeric></ix:hidden><ix:references xml:lang="en-US"><link:schemaRef xlink:type="simple" xlink:href="oln-20251231.xsd"/></ix:references><ix:resources><xbrli:unit id="usd"><xbrli:measure>iso4217:USD</xbrli:measure></xbrli:unit><xbrli:unit id="rate"><xbrli:measure>utr:Rate</xbrli:measure></xbrli:unit><xbrli:unit id="y"><xbrli:measure>utr:Y</xbrli:measure></xbrli:unit><xbrli:unit id="shares"><xbrli:measure>xbrli:shares</xbrli:measure></xbrli:unit><xbrli:context id="c-1"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2025-01-01</xbrli:startDate><xbrli:endDate>2025-12-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="c-2"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-3"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2024-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-4"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2025-01-01</xbrli:startDate><xbrli:endDate>2025-12-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="c-5"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2024-01-01</xbrli:startDate><xbrli:endDate>2024-12-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="c-6"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2023-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-7"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="oln:RetirementSavingsPlanVestingAxis">oln:LessThan2YearsOfServiceMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-8"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="oln:RetirementSavingsPlanVestingAxis">oln:A2YearsOfServiceMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-9"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="oln:RetirementSavingsPlanVestingAxis">oln:A3YearsOfServiceOrMoreMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-10"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MutualFundMember</xbrldi:explicitMember><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel1Member</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-11"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MutualFundMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-12"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MutualFundMember</xbrldi:explicitMember><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel1Member</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2024-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-13"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MutualFundMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2024-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-14"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap-ebp:EmployeeBenefitPlanEmployerCommonStockMember</xbrldi:explicitMember><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel1Member</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-15"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap-ebp:EmployeeBenefitPlanEmployerCommonStockMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-16"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap-ebp:EmployeeBenefitPlanEmployerCommonStockMember</xbrldi:explicitMember><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel1Member</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2024-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-17"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap-ebp:EmployeeBenefitPlanEmployerCommonStockMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2024-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-18"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap-ebp:EmployeeBenefitPlanSelfDirectedBrokerageAccountMember</xbrldi:explicitMember><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel1Member</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-19"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap-ebp:EmployeeBenefitPlanSelfDirectedBrokerageAccountMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-20"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap-ebp:EmployeeBenefitPlanSelfDirectedBrokerageAccountMember</xbrldi:explicitMember><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel1Member</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2024-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-21"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap-ebp:EmployeeBenefitPlanSelfDirectedBrokerageAccountMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2024-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-22"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">oln:InvestmentsMeasuredAtFairValueExcludingCommonCollectiveTrustFundsMember</xbrldi:explicitMember><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel1Member</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-23"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">oln:InvestmentsMeasuredAtFairValueExcludingCommonCollectiveTrustFundsMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-24"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">oln:InvestmentsMeasuredAtFairValueExcludingCommonCollectiveTrustFundsMember</xbrldi:explicitMember><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel1Member</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2024-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-25"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">oln:InvestmentsMeasuredAtFairValueExcludingCommonCollectiveTrustFundsMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2024-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-26"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:DefinedBenefitPlanCommonCollectiveTrustMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-27"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:DefinedBenefitPlanCommonCollectiveTrustMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2024-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-28"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Galliard Managed Income Fund D</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-29"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Galliard Managed Income Fund D</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2024-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-30"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>JPMCB Core Plus Bond</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-31"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>JPMCB Core Plus Bond</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2024-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-32"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Northern Trust All Country World ex-US Investable Market Index</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-33"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Northern Trust All Country World ex-US Investable Market Index</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2024-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-34"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Northern Trust Extended Equity Market Index</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-35"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Northern Trust Extended Equity Market Index</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2024-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-36"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Northern Trust S&amp;P 500 Index</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-37"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Northern Trust S&amp;P 500 Index</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2024-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-38"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>T. Rowe Price Age Based Funds</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-39"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>T. Rowe Price Age Based Funds</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2024-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-40"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Olin Common Stock Fund: Olin Corporation Common Stock</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-41"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Olin Common Stock Fund: Olin Corporation Common Stock</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2024-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-42"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Self-directed Brokerage Investment: Olin Corporation Common Stock</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-43"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Self-directed Brokerage Investment: Olin Corporation Common Stock</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2024-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-44"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Olin Common Stock Fund and Self-directed Brokerage Investment: Olin Corporation Common Stock</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-45"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Olin Common Stock Fund and Self-directed Brokerage Investment: Olin Corporation Common Stock</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2024-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-46"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Olin Common Stock Fund: Olin Corporation Common Stock</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2025-01-01</xbrli:startDate><xbrli:endDate>2025-12-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="c-47"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Olin Common Stock Fund: Olin Corporation Common Stock</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2024-01-01</xbrli:startDate><xbrli:endDate>2024-12-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="c-48"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Self-directed Brokerage Investment: Olin Corporation Common Stock</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2025-01-01</xbrli:startDate><xbrli:endDate>2025-12-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="c-49"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Self-directed Brokerage Investment: Olin Corporation Common Stock</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2024-01-01</xbrli:startDate><xbrli:endDate>2024-12-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="c-50"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Olin Common Stock Fund and Self-directed Brokerage Investment: Olin Corporation Common Stock</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2025-01-01</xbrli:startDate><xbrli:endDate>2025-12-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="c-51"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Olin Common Stock Fund and Self-directed Brokerage Investment: Olin Corporation Common Stock</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2024-01-01</xbrli:startDate><xbrli:endDate>2024-12-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="c-52"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis">oln:EmpowerEmpowerTrustMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2025-01-01</xbrli:startDate><xbrli:endDate>2025-12-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="c-53"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis">oln:EmpowerEmpowerTrustMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2024-01-01</xbrli:startDate><xbrli:endDate>2024-12-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="c-54"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis">oln:VoyaVoyaTrustMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2025-01-01</xbrli:startDate><xbrli:endDate>2025-12-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="c-55"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis">oln:VoyaVoyaTrustMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2024-01-01</xbrli:startDate><xbrli:endDate>2024-12-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="c-56"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis">oln:StateStreetMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2025-01-01</xbrli:startDate><xbrli:endDate>2025-12-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="c-57"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis">oln:StateStreetMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2024-01-01</xbrli:startDate><xbrli:endDate>2024-12-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="c-58"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Olin Common Stock Fund: Olin Corporation common stock</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-59"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Collective Trusts: Galliard Managed Income Fund D</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-60"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Collective Trusts: JPMCB Core Plus Bond</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-61"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Collective Trusts: Northern Trust All Country World ex-US Investable Market Index</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-62"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Collective Trusts: Northern Trust Extended Equity Market Index</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-63"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Collective Trusts: Northern Trust S&amp;P 500 Index</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-64"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Collective Trusts: T. Rowe Price Retirement 2010 Trust</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-65"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Collective Trusts: T. Rowe Price Retirement 2015 Trust</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-66"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Collective Trusts: T. Rowe Price Retirement 2020 Trust</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-67"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Collective Trusts: T. Rowe Price Retirement 2025 Trust</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-68"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Collective Trusts: T. Rowe Price Retirement 2030 Trust</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-69"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Collective Trusts: T. Rowe Price Retirement 2035 Trust</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-70"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Collective Trusts: T. Rowe Price Retirement 2040 Trust</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-71"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Collective Trusts: T. Rowe Price Retirement 2045 Trust</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="c-72"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Collective Trusts: T. 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id="c-84"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2025-01-01</xbrli:startDate><xbrli:endDate>2025-12-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="c-85"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000074303</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember><xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis"><us-gaap:limitedToken.domain>Self-directed Brokerage Investment: Olin Common Stock Fund</us-gaap:limitedToken.domain></xbrldi:typedMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2025-12-31</xbrli:instant></xbrli:period></xbrli:context></ix:resources></ix:header></div><div id="i97bea0d5da9f40e08dd1ccb87d7ea0f5_1"></div><div style="min-height:72pt;width:100%"><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">UNITED STATES</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">SECURITIES AND EXCHANGE COMMISSION</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">WASHINGTON, D.C. 20549 </span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:700;line-height:120%"> </span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:16pt;font-weight:700;line-height:120%">Form <ix:nonNumeric contextRef="c-1" name="dei:DocumentType" id="f-1">11-K</ix:nonNumeric></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"> </span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">(Mark One)</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:2.094%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:95.706%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">&#9746;</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934</span></div></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">For the fiscal year ended <ix:nonNumeric contextRef="c-1" name="dei:DocumentPeriodEndDate" format="ixt:date-monthname-day-year-en" id="f-2">December&#160;31, 2025</ix:nonNumeric></span></div></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">OR</span></div></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">&#9744;</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934</span></div></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">For the transition period from ________ to ________</span></div></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Commission file number 1-1070</span></div></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr style="height:56pt"><td colspan="6" style="padding:0 1pt;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><img src="oln-20251231_g1.jpg" alt="Olin Logo VF.jpg" style="height:61px;margin-bottom:5pt;vertical-align:text-bottom;width:182px" id="i-1"/></div></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">A.</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Full title of the plan and the address of the plan, if different from that of the issuer named below:</span></div></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Olin Corporation Retirement Savings Plan</span></div></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">B.</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Name of issuer of the securities held pursuant to the plan and the address of its principal executive office:</span></div></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"><ix:nonNumeric contextRef="c-1" name="dei:EntityRegistrantName" id="f-3">Olin Corporation</ix:nonNumeric></span></div></td></tr><tr><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">190 Carondelet Plaza, Suite 1530</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Clayton, MO 63105</span></div></td></tr></table></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="margin-bottom:0.06pt"><span><br/></span></div></div></div><div id="i97bea0d5da9f40e08dd1ccb87d7ea0f5_4"></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_4">Table of Contents</a></span></div></div><div style="margin-bottom:6pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.861%"><tr><td style="width:1.0%"/><td style="width:87.634%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.356%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.610%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">TABLE OF CONTENTS FOR FORM 11-K</span></div></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Page</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_7">Report of Independent Registered Public Accounting Firm</a></span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_7">1</a></span></div></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Financial Statements:</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt;padding-left:12pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_10">Statements of Net Assets Available for Benefits</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_10">3</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt;padding-left:12pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_13">Statements of Changes in Net Assets Available for Benefits</a></span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_13">4</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt;padding-left:12pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_16">Notes to Financial Statements</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_16">5</a></span></div></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Supplemental Information:</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt;padding-left:12pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_19">Schedule H, Line 4i &#8212; Schedule of Assets (Held at End of Year)</a></span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_19">16</a></span></div></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_22">Exhibits</a></span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_22">17</a></span></div></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_25">Signatures</a></span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_25">18</a></span></div></td></tr></table></div><div><span><br/></span></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="margin-bottom:0.06pt"><span><br/></span></div></div></div><div id="i97bea0d5da9f40e08dd1ccb87d7ea0f5_7"></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_4">Table of Contents</a></span></div></div><div style="text-align:center"><span style="color:#1c1c1c;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Report of Independent Registered Public Accounting Firm</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Audit Committee, Investment Committee, Plan Administrator, Plan Management and Plan Participants</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Olin Corporation Retirement Savings Plan</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Clayton, Missouri</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#1c1c1c;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Opinion on the Financial Statements</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">We have audited the accompanying statements of net assets available for benefits of Olin Corporation Retirement Savings Plan (&#8220;Plan&#8221;) as of December&#160;31, 2025 and 2024, the related statements of changes in net assets available for benefits for the years then ended, and the related notes (collectively referred to as the &#8220;financial statements&#8221;). In our opinion, the financial statements referred to above present fairly, in all material respects, the net assets available for benefits of the Plan as of December&#160;31, 2025 and 2024, and the changes in net assets available for benefits for the years then ended in conformity with accounting principles generally accepted in the United States of America.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#1c1c1c;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Basis of Opinion</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">These financial statements are the responsibility of the Plan&#8217;s management.  Our responsibility is to express an opinion on these financial statements based on our audits.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (&#8220;PCAOB&#8221;) and are required to be independent with respect to the Plan in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">We conducted our audits in accordance with the standards of the PCAOB.  Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud.  The Plan is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting.  As part of our audits, we are required to obtain an understanding of internal control over financial reporting but not for the purpose of expressing an opinion on the effectiveness of the Plan&#8217;s internal control over financial reporting.  Accordingly, we express no such opinion.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks.  Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements.  Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements.  We believe that our audits provide a reasonable basis for our opinion.</span></div><div style="text-align:justify"><span><br/></span></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">1</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_4">Table of Contents</a></span></div></div><div style="text-align:justify"><span style="color:#1c1c1c;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Report on Supplemental Information</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The supplemental information in the accompanying Schedule of Assets (Held at End of Year) as of December&#160;31, 2025 has been subjected to audit procedures performed in conjunction with the audit of the Plan&#8217;s financial statements.  The supplemental information is the responsibility of the Plan&#8217;s management.  Our audit procedures included determining whether the supplemental information reconciles to the financial statements or the underlying accounting and other records, as applicable, and performing procedures to test the completeness and accuracy of the information presented in the supplemental information.  In forming our opinion on the supplemental information, we evaluated whether the supplemental information, including its form and content, is presented in conformity with the Department of Labor&#8217;s Rules and Regulations for Reporting and Disclosure under the </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:400;line-height:120%">Employee Retirement Income Security Act of 1974</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">.  In our opinion, the Schedule of Assets (Held at End of Year) is fairly stated, in all material respects, in relation to the basic financial statements taken as a whole.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">/s/ Forvis Mazars, LLP</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">We have served as the Plan&#8217;s auditor since 2025.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">St. Louis, Missouri</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">June&#160;24, 2026</span></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">2</span></div></div></div><div id="i97bea0d5da9f40e08dd1ccb87d7ea0f5_10"></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_4">Table of Contents</a></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Olin Corporation Retirement Savings Plan</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Statements of Net Assets Available for Benefits</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:63.066%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.538%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.355%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.541%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">December 31,</span></div></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2025</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2024</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Assets</span></div></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Investments, at fair value</span></div></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-2" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-6">1,489,888,745</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-3" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-7">1,344,344,557</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Receivables:</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Notes receivable from participants</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-2" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanNoteReceivableFromParticipant" format="ixt:num-dot-decimal" scale="0" id="f-8">18,837,344</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-3" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanNoteReceivableFromParticipant" format="ixt:num-dot-decimal" scale="0" id="f-9">16,510,125</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Employer contributions</span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-2" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanEmployerContributionReceivable" format="ixt:num-dot-decimal" scale="0" id="f-10">13,678,043</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-3" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanEmployerContributionReceivable" format="ixt:num-dot-decimal" scale="0" id="f-11">29,453</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Other receivables</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-2" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanOtherReceivable" format="ixt:fixed-zero" scale="0" id="f-12">&#8212;</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-3" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanOtherReceivable" format="ixt:num-dot-decimal" scale="0" id="f-13">4,345</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 25pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Total receivables</span></div></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-2" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanReceivable" format="ixt:num-dot-decimal" scale="0" id="f-14">32,515,387</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-3" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanReceivable" format="ixt:num-dot-decimal" scale="0" id="f-15">16,543,923</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Total assets</span></div></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-2" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAsset" format="ixt:num-dot-decimal" scale="0" id="f-16">1,522,404,132</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-3" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAsset" format="ixt:num-dot-decimal" scale="0" id="f-17">1,360,888,480</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Liabilities</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Excess deferrals due to participants</span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-2" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanExcessContributionPayable" format="ixt:num-dot-decimal" scale="0" id="f-18">405,280</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-3" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanExcessContributionPayable" format="ixt:num-dot-decimal" scale="0" id="f-19">344,211</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Accrued expenses</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-2" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAccruedExpense" format="ixt:num-dot-decimal" scale="0" id="f-20">21,121</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-3" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAccruedExpense" format="ixt:num-dot-decimal" scale="0" id="f-21">6,000</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Total liabilities</span></div></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-2" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanLiability" format="ixt:num-dot-decimal" scale="0" id="f-22">426,401</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-3" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanLiability" format="ixt:num-dot-decimal" scale="0" id="f-23">350,211</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Net assets available for benefits</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-2" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanNetAssetAvailableForBenefit" format="ixt:num-dot-decimal" scale="0" id="f-24">1,521,977,731</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-3" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanNetAssetAvailableForBenefit" format="ixt:num-dot-decimal" scale="0" id="f-25">1,360,538,269</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr></table></div><div><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The accompanying notes to financial statements are an integral part of the financial statements.</span></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">3</span></div></div></div><div id="i97bea0d5da9f40e08dd1ccb87d7ea0f5_13"></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_4">Table of Contents</a></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Olin Corporation Retirement Savings Plan</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Statements of Changes in Net Assets Available for Benefits</span></div><div style="text-align:center"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:63.066%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.538%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.355%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.541%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Years Ended December 31,</span></div></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2025</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2024</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Additions</span></div></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Investment income:</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Interest and dividend income from investments</span></div></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-4" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment" format="ixt:num-dot-decimal" scale="0" id="f-26">10,724,420</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-5" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment" format="ixt:num-dot-decimal" scale="0" id="f-27">8,436,604</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Net appreciation in fair value of investments</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-4" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment" format="ixt:num-dot-decimal" scale="0" id="f-28">167,875,657</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-5" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment" format="ixt:num-dot-decimal" scale="0" id="f-29">121,231,739</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 25pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Total investment income</span></div></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-4" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment" format="ixt:num-dot-decimal" scale="0" id="f-30">178,600,077</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-5" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment" format="ixt:num-dot-decimal" scale="0" id="f-31">129,668,343</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Contributions:</span></div></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Participant</span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-4" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover" format="ixt:num-dot-decimal" scale="0" id="f-32">60,983,728</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-5" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover" format="ixt:num-dot-decimal" scale="0" id="f-33">56,667,042</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Employer</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-4" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash" format="ixt:num-dot-decimal" scale="0" id="f-34">68,901,575</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-5" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash" format="ixt:num-dot-decimal" scale="0" id="f-35">52,174,144</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Rollovers</span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-4" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover" format="ixt:num-dot-decimal" scale="0" id="f-36">11,176,072</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-5" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover" format="ixt:num-dot-decimal" scale="0" id="f-37">5,063,484</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 25pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Total contributions</span></div></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-4" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution" format="ixt:num-dot-decimal" scale="0" id="f-38">141,061,375</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-5" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution" format="ixt:num-dot-decimal" scale="0" id="f-39">113,904,670</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Interest income on notes receivable from participants</span></div></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-4" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant" format="ixt:num-dot-decimal" scale="0" id="f-40">1,308,637</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-5" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant" format="ixt:num-dot-decimal" scale="0" id="f-41">1,021,990</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Total additions</span></div></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-4" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease" format="ixt:num-dot-decimal" scale="0" id="f-42">320,970,089</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-5" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease" format="ixt:num-dot-decimal" scale="0" id="f-43">244,595,003</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Deductions</span></div></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Administrative expenses</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">(<ix:nonFraction unitRef="usd" contextRef="c-4" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense" format="ixt:num-dot-decimal" scale="0" id="f-44">1,096,925</ix:nonFraction>)</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">(<ix:nonFraction unitRef="usd" contextRef="c-5" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense" format="ixt:num-dot-decimal" scale="0" id="f-45">976,719</ix:nonFraction>)</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Benefits paid to participants</span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">(<ix:nonFraction unitRef="usd" contextRef="c-4" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant" format="ixt:num-dot-decimal" scale="0" id="f-46">158,433,702</ix:nonFraction>)</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">(<ix:nonFraction unitRef="usd" contextRef="c-5" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant" format="ixt:num-dot-decimal" scale="0" id="f-47">151,993,330</ix:nonFraction>)</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Total deductions</span></div></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">(<ix:nonFraction unitRef="usd" contextRef="c-4" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease" format="ixt:num-dot-decimal" scale="0" id="f-48">159,530,627</ix:nonFraction>)</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">(<ix:nonFraction unitRef="usd" contextRef="c-5" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease" format="ixt:num-dot-decimal" scale="0" id="f-49">152,970,049</ix:nonFraction>)</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Net increase in net assets available for benefits</span></div></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-4" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease" format="ixt:num-dot-decimal" scale="0" id="f-50">161,439,462</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-5" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease" format="ixt:num-dot-decimal" scale="0" id="f-51">91,624,954</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Net assets available for benefits at beginning of year</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-3" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanNetAssetAvailableForBenefit" format="ixt:num-dot-decimal" scale="0" id="f-52">1,360,538,269</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-6" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanNetAssetAvailableForBenefit" format="ixt:num-dot-decimal" scale="0" id="f-53">1,268,913,315</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Net assets available for benefits at end of year</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-2" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanNetAssetAvailableForBenefit" format="ixt:num-dot-decimal" scale="0" id="f-54">1,521,977,731</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-3" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanNetAssetAvailableForBenefit" format="ixt:num-dot-decimal" scale="0" id="f-55">1,360,538,269</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr></table></div><div><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The accompanying notes to financial statements are an integral part of the financial statements.</span></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">4</span></div></div></div><div id="i97bea0d5da9f40e08dd1ccb87d7ea0f5_16"></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_4">Table of Contents</a></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Olin Corporation Retirement Savings Plan</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Notes to Financial Statements</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">December&#160;31, 2025 and 2024</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="c-4" name="us-gaap-ebp:EmployeeBenefitPlanDescriptionOfPlanTextBlock" id="f-56" continuedAt="f-56-1" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">NOTE 1.  DESCRIPTION OF THE PLAN</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Olin Corporation (Olin) Retirement Savings Plan (the Plan) was amended and restated effective January 1, 2024 in order to include all prior amendments made to the Plan and incorporate certain legally required amendments. Additionally, effective October 1, 2024, the Plan&#8217;s name was changed from the Contributing Employee Ownership Plan (CEOP) and to reflect operational practices and changes made in connection with Olin&#8217;s engagement of a new recordkeeper and custodian.  The following description of the Plan provides only general information.  Participants should refer to the Plan document for a more complete description of the Plan&#8217;s provisions.  </span></div><div style="text-align:justify"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">General</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan is a defined contribution plan originally established in 1964 that has since been amended and restated and for which Olin is the current sponsor.  The Plan was established for the purpose of providing retirement benefits for the United States (U.S.) employees of Olin and its subsidiaries.  The Plan contains a cash or deferred component which was intended to qualify under Sections 401(a) and 401(k) of the Internal Revenue Code of 1986, as amended (the Code) and an employee stock ownership plan (ESOP) component intended to qualify as a stock bonus plan under Sections 401(a) and 4975(e)(7) of the Code.  The ESOP consists of the Olin Common Stock Fund.  The Plan is subject to the applicable provisions of the Employee Retirement Income Security Act of 1974, as amended (ERISA).</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Eligibility</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan provides eligibility to substantially all U.S. employees upon their hire date, provided they are actively employed by a participating employer and being paid by Olin.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Contributions</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The total maximum allowable employee contribution is <ix:nonFraction unitRef="rate" contextRef="c-4" decimals="2" name="us-gaap-ebp:EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage" scale="-2" id="f-57">80</ix:nonFraction>% of eligible pay, subject to relevant annual limitations in the Code.  Plan participants may elect to increase, decrease, suspend or resume compensation deferrals at any time.  New elections are effective as soon as practicable after the request is processed.  Newly hired eligible employees not electing to enroll within approximately 30 days of hire date, are automatically enrolled to contribute <ix:nonFraction unitRef="rate" contextRef="c-4" decimals="2" name="us-gaap-ebp:EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate" scale="-2" id="f-58">6</ix:nonFraction>% of their eligible compensation to the Plan, unless the employee elects to opt out.  The Plan contains an automatic escalation feature whereby contributions for certain eligible participants who are participating in the Plan are automatically increased <ix:nonFraction unitRef="rate" contextRef="c-2" decimals="0" name="oln:AutomaticEscalationPercentage" format="ixt:num-dot-decimal" id="f-59">1</ix:nonFraction>% each year effective April 1, until the contribution rate reaches <ix:nonFraction unitRef="rate" contextRef="c-2" decimals="0" name="oln:AutomaticEscalationPercentageMaximum" format="ixt:num-dot-decimal" id="f-60">15</ix:nonFraction>%, unless the employee designates otherwise.  The Plan&#8217;s default investment option is the T. Rowe Price Age Based Retirement Income Fund with a maturity date closest to the participant&#8217;s 65th birthday.</span></div></ix:nonNumeric><div style="text-align:justify"><span><br/></span></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">5</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_4">Table of Contents</a></span></div></div><ix:continuation id="f-56-1" continuedAt="f-56-2"><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan follows the Code&#8217;s annual total maximum amount of employee contributions that may be made to the Plan, including catch-up contributions.  The amounts of employee contributions are based on eligible compensation and the percentage of such compensation the participant has elected to contribute to the Plan.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan provides for various Olin matching contributions based on various formulas outlined in the Plan, calculated based on the contributions made by the employee.  The Plan also provides certain employees with Olin retirement contributions based on various formulas outlined in the Plan, calculated based on the employee&#8217;s eligible compensation and without respect to contributions elected by the employee.  Both the Olin matching and retirement contributions are invested in the same investment allocation as the employee&#8217;s contributions to the Plan. </span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:115%">Contributions received from participants for the years ended December&#160;31, 2025 and 2024 included excess deferrals, net of related gains and losses, of $<ix:nonFraction unitRef="usd" contextRef="c-2" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanExcessContributionPayable" format="ixt:num-dot-decimal" scale="0" id="f-61">405,280</ix:nonFraction> and $<ix:nonFraction unitRef="usd" contextRef="c-3" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanExcessContributionPayable" format="ixt:num-dot-decimal" scale="0" id="f-62">344,211</ix:nonFraction>, respectively.  These amounts were recorded as a liability with a corresponding reduction to participant contributions and were distributed to applicable participants in April 2026 and 2025, respectively, to comply with the maximum annual contribution limits under the Code.</span></div><div style="margin-bottom:0.06pt;text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Rollovers</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan accepts rollovers of qualified distributions from other eligible retirement plans.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Participant&#8217;s Accounts</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Each participant&#8217;s account is credited with the participant&#8217;s contribution and allocations of Olin&#8217;s contributions and earnings, which have been reduced by administrative expenses.  The benefit to which a participant is entitled is the participant&#8217;s vested account balance.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Participant Investment Account Options</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Participants direct the investment of their contributions into various investment options offered by the Plan.  Participants may also transfer the value of the investments in their account to any one or a combination of investments available in the Plan.  Transfers into the Olin Common Stock Fund are limited to the extent that such transfer would result in more than <ix:nonFraction unitRef="rate" contextRef="c-2" decimals="0" name="oln:OlinCommonStockFundMaximumAllocationPercentage" format="ixt:num-dot-decimal" id="f-63">20</ix:nonFraction>% of the participant&#8217;s account balance invested in the Olin Common Stock Fund.</span></div></ix:continuation><div style="text-align:justify"><span><br/></span></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">6</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_4">Table of Contents</a></span></div></div><ix:continuation id="f-56-2" continuedAt="f-56-3"><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Vesting</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Substantially all participants in the Plan are immediately <ix:nonFraction unitRef="rate" contextRef="c-2" decimals="0" name="oln:MatchingContributionImmediateVestingPercentage" format="ixt:num-dot-decimal" id="f-64">100</ix:nonFraction>% vested in the Olin matching contributions.  Additionally, Olin elected to incorporate certain provisions into the Plan, so that the Plan was a &#8220;safe harbor&#8221; plan under Section 401(k) of the Code for substantially all participants (excluding specified employees in a qualified separate line of business); specifically, the first <ix:nonFraction unitRef="rate" contextRef="c-2" decimals="0" name="oln:RetirementContributionPercentageImmediatelyVested" format="ixt:num-dot-decimal" id="f-65">3</ix:nonFraction>% of Olin retirement contributions are immediately 100% vested.  <ix:nonNumeric contextRef="c-4" name="oln:RetirementContributionVestingScheduleExcludingSafeHarborTableTextBlock" id="f-66" continuedAt="f-66-1" escape="true">With the exception of the safe harbor retirement contributions, substantially all of the remaining Olin retirement contributions generally vest in accordance with the following schedule:</ix:nonNumeric></span></div><div style="text-align:justify"><span><br/></span></div><ix:continuation id="f-66-1"><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:45.277%"><tr><td style="width:1.0%"/><td style="width:48.286%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:1.026%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:48.288%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">Years of Service</span></div></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Percentage Vested</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Less than 2</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="rate" contextRef="c-7" decimals="0" name="oln:RetirementContributionVestingPercentage" format="ixt:num-dot-decimal" id="f-67">0</ix:nonFraction>%</span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">2</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="rate" contextRef="c-8" decimals="0" name="oln:RetirementContributionVestingPercentage" format="ixt:num-dot-decimal" id="f-68">50</ix:nonFraction>%</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">3</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="rate" contextRef="c-9" decimals="0" name="oln:RetirementContributionVestingPercentage" format="ixt:num-dot-decimal" id="f-69">100</ix:nonFraction>%</span></div></td></tr></table></div></ix:continuation><div style="text-align:center"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan provides for immediate vesting resulting from death, total and permanent disability, or attainment of normal retirement age (age 65).</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Forfeited Accounts</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Forfeitures of Olin&#8217;s retirement contributions were used to reduce Olin&#8217;s contributions by $<ix:nonFraction unitRef="usd" contextRef="c-4" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution" format="ixt:num-dot-decimal" scale="0" id="f-70">1,518,789</ix:nonFraction> and $<ix:nonFraction unitRef="usd" contextRef="c-5" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution" format="ixt:num-dot-decimal" scale="0" id="f-71">1,800,000</ix:nonFraction> for the years ended December&#160;31, 2025 and 2024, respectively.  Forfeitures that were available amounted to $<ix:nonFraction unitRef="usd" contextRef="c-2" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanForfeitedNonvestedAccount" format="ixt:num-dot-decimal" scale="0" id="f-72">144,082</ix:nonFraction> and $<ix:nonFraction unitRef="usd" contextRef="c-3" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanForfeitedNonvestedAccount" format="ixt:num-dot-decimal" scale="0" id="f-73">149,017</ix:nonFraction> as of December&#160;31, 2025 and 2024, respectively.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Payment of Benefits</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Upon termination of service for any reason, a participant may elect to receive their entire vested balance in either a lump-sum or in annual installments up to fifteen years, or if the participant&#8217;s life expectancy exceeds fifteen years, the life expectancy of the participant.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">All distributions are paid in cash; however, at the election of the participant, distributions from the Olin Common Stock Fund may be paid in common stock with any fractional interest in a share of common stock paid in cash.</span></div></ix:continuation><div style="text-align:justify"><span><br/></span></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">7</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_4">Table of Contents</a></span></div></div><ix:continuation id="f-56-3"><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Notes Receivable from Participants</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Notes receivable from participants are measured at their unpaid principal balance, plus any accrued but unpaid interest.  All employees who are participants in the Plan are eligible to borrow from the Plan.  The Plan generally allows for only one loan to be outstanding at a time.  No loan made to any participant shall exceed the lesser of:</span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">(1)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:3.35pt">$<ix:nonFraction unitRef="usd" contextRef="c-2" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount" format="ixt:num-dot-decimal" scale="0" id="f-74">50,000</ix:nonFraction> reduced by the excess (if any) of (i) the highest outstanding balance of loans from the Plan during the one-year period ending on the day before the date the loan is made, over (ii) the outstanding balance of loans from the Plan on the date the loan is made, or</span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">(2)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:3.35pt"><ix:nonFraction unitRef="rate" contextRef="c-2" decimals="2" name="us-gaap-ebp:EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage" scale="-2" id="f-75">50</ix:nonFraction>% of the participant&#8217;s vested account balance as of the valuation date on or immediately preceding the date of the loan.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The loans are funded from the participant&#8217;s accounts, reducing the account balance by the loan amount, and are reflected as notes receivable from participants in the Plan&#8217;s financial statements.  Terms of new loans may be up to <ix:nonFraction unitRef="y" contextRef="c-2" decimals="0" name="oln:MaximumLoanTermYears" format="ixt-sec:numwordsen" scale="0" id="f-76">five</ix:nonFraction> years.  The interest rate on outstanding loans is the prime rate on the date of loan origination.  Interest rates on outstanding loans ranged from <ix:nonFraction unitRef="rate" contextRef="c-2" decimals="4" name="oln:OutstandingLoanRateMinimum" scale="-2" id="f-77">3.25</ix:nonFraction>% to <ix:nonFraction unitRef="rate" contextRef="c-2" decimals="4" name="oln:OutstandingLoanRateMaximum" scale="-2" id="f-78">9.50</ix:nonFraction>% and <ix:nonFraction unitRef="rate" contextRef="c-3" decimals="4" name="oln:OutstandingLoanRateMinimum" scale="-2" id="f-79">3.25</ix:nonFraction>% to <ix:nonFraction unitRef="rate" contextRef="c-3" decimals="4" name="oln:OutstandingLoanRateMaximum" scale="-2" id="f-80">8.50</ix:nonFraction>% as of December&#160;31, 2025 and 2024, respectively.  The interest rates on new loans were <ix:nonFraction unitRef="rate" contextRef="c-4" decimals="4" name="oln:NewLoanRateMinimum" scale="-2" id="f-81">7.00</ix:nonFraction>% to <ix:nonFraction unitRef="rate" contextRef="c-4" decimals="4" name="oln:NewLoanRateMaximum" scale="-2" id="f-82">7.50</ix:nonFraction>% and <ix:nonFraction unitRef="rate" contextRef="c-5" decimals="4" name="oln:NewLoanRateMinimum" scale="-2" id="f-83">7.75</ix:nonFraction>% to <ix:nonFraction unitRef="rate" contextRef="c-5" decimals="4" name="oln:NewLoanRateMaximum" scale="-2" id="f-84">8.50</ix:nonFraction>% for the years ended December&#160;31, 2025 and 2024, respectively.  Delinquent notes receivable from participants are classified as benefits paid to participants.</span></div><div style="text-align:justify"><span><br/></span></div><ix:nonNumeric contextRef="c-4" name="us-gaap-ebp:EmployeeBenefitPlanPlanTerminationTextBlock" id="f-85" escape="true"><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Plan Termination</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Although it has not expressed any intent to do so, Olin has the right under the Plan to terminate the Plan, subject to the provisions of ERISA.  In the event of Plan termination, participants will become 100% vested in their accounts.</span></div></ix:nonNumeric><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Recordkeepers</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Empower Retirement, LLC (Empower) is the recordkeeper for the Plan effective October 1, 2024. Prior to this date, the Plan&#8217;s recordkeeper was Voya Institutional Plan Services, LLC (Voya), as further described in Note 6.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Custodians</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Empower Trust Company, LLC (Empower Trust) is the custodian for the majority of the Plan&#8217;s investments effective October 1, 2024. Prior to this date, Voya Institutional Trust Company (Voya Trust) was the custodian for the majority of the Plan&#8217;s investments as further described in Note 6.  State Street Bank and Trust is the custodian for the Olin Common Stock Fund.</span></div></ix:continuation><div style="text-align:justify"><span><br/></span></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">8</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_4">Table of Contents</a></span></div></div><ix:nonNumeric contextRef="c-4" name="us-gaap-ebp:EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock" id="f-86" continuedAt="f-86-1" escape="true"><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">NOTE 2.  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</span></div><div style="text-align:justify"><span><br/></span></div><ix:nonNumeric contextRef="c-4" name="us-gaap-ebp:EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock" id="f-87" escape="true"><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Basis of Presentation</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The accompanying financial statements have been prepared on the accrual basis of accounting, in accordance with accounting principles generally accepted in the United States of America.  Certain reclassifications have been made to the 2024 financial statements to conform to the 2025 financial statement presentation.  These reclassifications had no effect on changes in net assets available for benefits.</span></div></ix:nonNumeric><div style="text-align:justify"><span><br/></span></div><ix:nonNumeric contextRef="c-4" name="us-gaap-ebp:EmployeeBenefitPlanUseOfEstimatePolicyTextBlock" id="f-88" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and changes therein, and disclosure of contingent assets and liabilities.  Actual results could differ from those estimates.</span></div></ix:nonNumeric><div style="text-align:justify"><span><br/></span></div><ix:nonNumeric contextRef="c-4" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentPolicyTextBlock" id="f-89" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Investment Valuation and Income Recognition</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan performs fair value measurements in accordance with Financial Accounting Standards Board Accounting Standards Codification 820, Fair Value Measurement (ASC 820). The Plan&#8217;s Investment Committee determines the Plan&#8217;s valuation policies utilizing information provided by investment advisors and custodians.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Purchases and sales of securities are recorded on a trade date basis.  Interest income is recorded on an accrual basis.  Dividends are recorded on the ex-dividend date.  Net appreciation in fair value of investments includes the Plan&#8217;s gains and losses on investments bought and sold as well as held during the year.</span></div></ix:nonNumeric><div style="text-align:justify"><span><br/></span></div><ix:nonNumeric contextRef="c-4" name="us-gaap-ebp:EbpRiskAndUncertaintyPolicyTextBlock" id="f-90" escape="true"><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Risks and Uncertainties</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan invests in various investment securities, including Olin common stock.  Investment securities are exposed to various risks such as interest rate, market, and credit risks.  Due to the level of risk associated with certain investment securities, it is at least reasonably possible that changes in the values of investment securities will occur in the near term, and that such changes could materially affect participants&#8217; account balances and the amounts reported in the statements of net assets available for benefits.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Users of these financial statements should be aware that the financial markets&#8217; volatility may significantly impact the subsequent valuation of the Plan&#8217;s investments.  Accordingly, the valuation of investments as of December&#160;31, 2025 may not necessarily be indicative of amounts that could be realized in a current market exchange.</span></div></ix:nonNumeric></ix:nonNumeric><div style="text-align:justify"><span><br/></span></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">9</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_4">Table of Contents</a></span></div></div><ix:continuation id="f-86-1"><ix:nonNumeric contextRef="c-4" name="us-gaap-ebp:EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock" id="f-91" escape="true"><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Payment of Benefits</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Benefit payments are recorded when paid.</span></div></ix:nonNumeric><div style="text-align:justify"><span><br/></span></div><ix:nonNumeric contextRef="c-4" name="us-gaap-ebp:EmployeeBenefitPlanExpensePolicyTextBlock" id="f-92" escape="true"><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Administrative Expenses</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Except for loan origination fees, the expenses of administering the Plan are payable from the Plan&#8217;s assets, unless the Company elects to pay such expenses.  Olin has elected to have certain expenses of administering the Plan paid by the Company.  No officer or employee receives compensation from the Plan.</span></div><div style="margin-bottom:0.06pt;text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Participant accounts are charged fees to pay for Plan expenses. Those charges are used to pay for the Plan&#8217;s recordkeeping, custodial, auditing, legal, and other miscellaneous administrative fees.</span></div></ix:nonNumeric><div style="text-align:justify"><span><br/></span></div><ix:nonNumeric contextRef="c-4" name="oln:TrustFundManagementPolicyTextBlock" id="f-93" escape="true"><div style="margin-bottom:0.06pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Trust Fund Management</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Empower Trust is the Plan trustee effective October 1, 2024.  Prior to this date, the Voya Trust was the Plan trustee.  Under the terms of the trust agreements with both Empower Trust and Voya Trust, the trustee is responsible for the safekeeping of Plan assets in the trust fund and the maintenance of records relating to receipts and disbursements from the trust fund.  The trustee invests funds in accordance with the terms of the Plan and makes payments from the trust fund as directed by participants and Olin.  </span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Under both the Empower Trust and Voya Trust, trustee fees, investment management fees, commissions, and related Plan administrative expenses are incorporated into the fees associated with the investment funds made available under the Plan.  Investment related fees are included in net appreciation in fair value of investments.  In addition, fees associated with the self-directed brokerage feature are charged directly to the affected participant&#8217;s account.</span></div></ix:nonNumeric><div style="text-align:justify"><span><br/></span></div><ix:nonNumeric contextRef="c-4" name="oln:EmployerContributionsReceivablePolicyTextBlock" id="f-94" escape="true"><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Employer Contributions Receivable</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Employer contributions from Olin are recorded when the Plan is owed, but has not yet received, employee and/or employer contributions. Employer contributions receivable for the year ended December&#160;31, 2025 included an estimated receivable for an employer contribution correction.</span></div></ix:nonNumeric></ix:continuation><div style="text-align:justify"><span><br/></span></div><ix:nonNumeric contextRef="c-4" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock" id="f-95" continuedAt="f-95-1" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">NOTE 3.  FAIR VALUE MEASUREMENTS</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">ASC 820 provides the framework for measuring fair value which includes a hierarchy that prioritizes the inputs and valuation techniques used to measure fair value.  The three levels of the fair value hierarchy are described as follows:</span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:18pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Level 1 &#8211; Inputs were unadjusted, quoted prices in active markets for identical assets or liabilities at the measurement date.</span></div></ix:nonNumeric><div style="padding-left:18pt;text-align:justify"><span><br/></span></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">10</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_4">Table of Contents</a></span></div></div><ix:continuation id="f-95-1" continuedAt="f-95-2"><div style="padding-left:18pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Level 2 &#8211; Inputs, other than quoted prices included in Level 1, were either directly or indirectly observable for the asset or liability including quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, or other inputs that are observable or can be corroborated by observable market data, for substantially the full term of the assets or liabilities.</span></div><div style="padding-left:18pt;text-align:justify"><span><br/></span></div><div style="padding-left:18pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Level 3 &#8211; Inputs significant to the valuation model were unobservable and reflected the Plan&#8217;s best estimate of assumptions to measure the assets or liabilities at fair value.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Fair value measurement levels within the fair value hierarchy are based on the lowest level input that is significant to the fair value measurement in its entirety.  Valuation techniques used need to maximize the use of observable inputs and minimize the use of unobservable inputs.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The following is a description of the valuation methodologies used for assets measured at fair value.  There have been no changes in the methodologies used during the years ended December&#160;31, 2025 and 2024: </span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:13.8pt">Mutual Funds: Mutual funds, excluding the Artisan International Value Fund, are valued at quoted market prices.  The Artisan International Value Fund is valued on a per unit basis based on the daily change in the market value of the underlying investments, adjusted for dividends earned on the funds and an annual expense factor.  All mutual funds are deemed to be actively traded.</span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:13.8pt">Common Stocks: Common stocks are valued at the closing price reported on the active market on which the individual securities are traded.</span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:13.8pt">Self-directed Brokerage Investments: The self-directed brokerage investments are primarily comprised of common stocks and mutual funds and are measured at current value based on published market quotations from individual investments comprising the brokerage accounts.</span></div></ix:continuation><div style="text-align:justify"><span><br/></span></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">11</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_4">Table of Contents</a></span></div></div><ix:continuation id="f-95-2" continuedAt="f-95-3"><ix:nonNumeric contextRef="c-4" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock" id="f-96" escape="true"><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The following table presents investments of the Plan measured at fair value on a recurring basis:</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:31.122%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.355%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.594%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.355%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.983%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.355%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.594%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.355%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.987%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">December 31, 2025</span></div></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">December 31, 2024</span></div></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">Level 1</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">Total</span></div></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">Level 1</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">Total</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Mutual funds</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-10" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-97">165,884,532</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-11" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-98">165,884,532</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-12" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-99">167,466,925</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-13" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-100">167,466,925</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Olin Corporation common stock</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-14" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-101">26,901,921</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-15" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-102">26,901,921</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-16" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-103">42,871,537</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-17" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-104">42,871,537</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Self-directed brokerage investment</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-18" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-105">79,420,336</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-19" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-106">79,420,336</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-20" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-107">67,001,138</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-21" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-108">67,001,138</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 23.5pt;text-align:left;text-indent:-9pt;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Total categorized investments measured at fair value</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-22" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-109">272,206,789</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-23" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-110">272,206,789</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-24" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-111">277,339,600</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-25" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-112">277,339,600</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 14.5pt;text-align:left;text-indent:-13.5pt;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Collective trust funds with fair value measured at net asset value (1)</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:3pt double #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-26" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-113">1,217,681,956</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:3pt double #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-27" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-114">1,067,004,957</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 23.5pt;text-align:left;text-indent:-9pt;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Total investments, at fair value</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-2" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-115">1,489,888,745</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-3" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-116">1,344,344,557</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr></table></div><div><span><br/></span></div><div style="padding-left:18pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">(1)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:3.35pt">Investments in collective trust funds are measured at fair value using the net asset value (NAV) per share (or its equivalent) as a practical expedient and have not been categorized in the fair value hierarchy.  The fair value amounts presented in this table are intended to permit reconciliation of the fair value hierarchy to the amounts presented in the statements of net assets available for benefits.</span></div></ix:nonNumeric><div style="margin-bottom:0.06pt;text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Generally, the mutual funds have implemented policies to monitor and discourage frequent, short-term trading.  Certain mutual funds apply a redemption fee if investments are not held for a minimum number of days and preclude transfers out of and into the fund within a minimum number of days.  The mutual funds also monitor transaction data reported by Empower Trust in compliance with U.S. Securities and Exchange Commission Rule 22c-2 to identify potential violations of the transfer restrictions and take appropriate action, when necessary.  Additionally, with respect to all investments (excluding the Self-Directed Brokerage Account investments), any money transferred out cannot be transferred back into the original fund for seven calendar days.</span></div></ix:continuation><div style="text-align:justify"><span><br/></span></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">12</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_4">Table of Contents</a></span></div></div><ix:continuation id="f-95-3"><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The NAV of collective trust funds is based on the fair value of the underlying investments held by the funds less liabilities.  <ix:nonNumeric contextRef="c-4" name="us-gaap-ebp:EbpFairValueInvestmentNavRedemptionDescription" id="f-117">Investments may be redeemed on a daily basis and it is probable that the Plan will sell the investments for the NAV.</ix:nonNumeric>  There are no participant redemption restrictions and <ix:nonNumeric contextRef="c-4" name="oln:FairValueInvestmentNAVRedemptionNoticePeriodApplicable" id="f-118">no</ix:nonNumeric> significant redemption notice periods applicable to the Plan. 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style="width:0.1%"/><td style="width:0.355%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.402%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">December 31,</span></div></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2025</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2024</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Galliard Managed Income Fund D</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-28" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-121">77,550,989</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-29" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-122">76,464,939</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">JPMCB Core Plus Bond</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-30" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-123">36,604,152</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-31" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-124">32,749,006</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 10pt;text-align:left;text-indent:-9pt;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Northern Trust All Country World ex-US Investable Market Index</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-32" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-125">52,662,967</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div 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name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-130">220,037,383</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">T. Rowe Price Age Based Funds</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-38" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-131">772,181,199</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-39" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-132">678,213,811</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 14.5pt;text-align:left;text-indent:-9pt;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Collective trust funds with fair value measured at NAV</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-26" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-133">1,217,681,956</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-27" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" format="ixt:num-dot-decimal" scale="0" id="f-134">1,067,004,957</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr></table></div></ix:continuation></ix:continuation><div style="text-align:justify"><span><br/></span></div><ix:nonNumeric contextRef="c-4" name="us-gaap-ebp:EmployeeBenefitPlanTaxStatusTextBlock" id="f-135" continuedAt="f-135-1" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">NOTE 4.  TAX STATUS</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Olin <ix:nonNumeric contextRef="c-4" name="us-gaap-ebp:EmployeeBenefitPlanTaxDeterminationLetterObtained" format="ixt:fixed-true" id="f-136">received</ix:nonNumeric> a determination letter dated <ix:nonNumeric contextRef="c-4" name="us-gaap-ebp:EmployeeBenefitPlanTaxDeterminationLetterDate" format="ixt:date-monthname-day-year-en" id="f-137">September 2, 2016</ix:nonNumeric> from the Internal Revenue Service stating that the Plan is a qualified plan, and the trust thereunder is exempt from federal income taxes under the Code.  Accordingly, no provision for income taxes has been included in the Plan&#8217;s financial statements.  Although the Plan has been amended since receiving the determination letter, the Plan administrator and the Plan&#8217;s tax counsel believe that the Plan is designed, and is currently being operated, in compliance with the applicable requirements of the Code and, therefore, believe that the Plan is qualified, and the related trust is tax-exempt.  Counsel for Olin advised that an employee will not be subject to federal income taxes on the contributions of Olin, or on dividends, interest or profit from sales of securities received by the trustee and credited to an employee&#8217;s account, until such account or accounts are withdrawn or made available to the employee.  The tax treatment to the participant generally will depend upon the form of withdrawal.  </span></div></ix:nonNumeric><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"><ix:continuation id="f-135-1">Accounting principles generally accepted in the United States of America require Plan management to evaluate tax positions taken by the Plan and recognize a tax liability if the Plan has taken an uncertain position that more likely than not would not be sustained upon examination by a government authority.  The Plan administrator has analyzed the tax position taken by the Plan and has concluded that as of December&#160;31, 2025 and 2024, there are no uncertain positions expected to be taken that would require recognition of a liability or disclosure in the financial statements.  The Plan is subject to routine audits by taxing jurisdictions; however, there are currently no audits for any tax periods in process.</ix:continuation>   </span></div><div><span><br/></span></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">13</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_4">Table of Contents</a></span></div></div><ix:nonNumeric contextRef="c-4" name="us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock" id="f-138" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">NOTE 5.  PARTY-IN-INTEREST TRANSACTIONS</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Olin Common Stock Fund is an investment option under the Plan, and as such, transactions involving the Olin Common Stock Fund qualify as party-in-interest transactions.  <ix:nonNumeric contextRef="c-4" name="oln:RelatedPartyAndPartyInInterestBalanceTabularDisclosureTableTextBlock" id="f-139" continuedAt="f-139-1" escape="true">Shares of Olin Corporation common stock held by participants through direct investment were valued as follows:</ix:nonNumeric></span></div><div style="text-align:justify"><span><br/></span></div><ix:continuation id="f-139-1"><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:88.194%"><tr><td style="width:1.0%"/><td style="width:64.569%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.750%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.429%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.752%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">December 31,</span></div></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2025</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2024</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Olin Common Stock Fund</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-40" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-140">26,901,921</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-41" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-141">42,871,537</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Self-directed brokerage investment</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-42" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-142">380,548</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-43" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-143">405,922</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Total Olin common stock held through direct investment</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-44" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-144">27,282,469</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-45" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-145">43,277,459</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr></table></div></ix:continuation><div style="text-align:center"><span><br/></span></div><ix:nonNumeric contextRef="c-4" name="us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTableTextBlock" id="f-146" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Purchases and sales of Olin Common Stock included:</span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:88.194%"><tr><td style="width:1.0%"/><td style="width:64.569%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.750%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.429%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.752%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Years Ended December 31,</span></div></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2025</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2024</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Purchases:</span></div></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Olin Common Stock Fund</span></div></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-46" decimals="0" name="oln:OlinCommonStockPurchasesAmount" format="ixt:num-dot-decimal" scale="0" id="f-147">5,736,914</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-47" decimals="0" name="oln:OlinCommonStockPurchasesAmount" format="ixt:num-dot-decimal" scale="0" id="f-148">5,474,212</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Self-Directed Brokerage Investment</span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-48" decimals="0" name="oln:OlinCommonStockPurchasesAmount" format="ixt:num-dot-decimal" scale="0" id="f-149">6,232,148</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-49" decimals="0" name="oln:OlinCommonStockPurchasesAmount" format="ixt:num-dot-decimal" scale="0" id="f-150">621,757</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Total Purchases</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-50" decimals="0" name="oln:OlinCommonStockPurchasesAmount" format="ixt:num-dot-decimal" scale="0" id="f-151">11,969,062</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-51" decimals="0" name="oln:OlinCommonStockPurchasesAmount" format="ixt:num-dot-decimal" scale="0" id="f-152">6,095,969</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"><div style="margin-bottom:0.06pt"></div></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Sales:</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Olin Common Stock Fund</span></div></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-46" decimals="0" name="oln:OlinCommonStockSalesAmount" format="ixt:num-dot-decimal" scale="0" id="f-153">5,348,064</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-47" decimals="0" name="oln:OlinCommonStockSalesAmount" format="ixt:num-dot-decimal" scale="0" id="f-154">15,756,568</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Self-Directed Brokerage Investment</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-48" decimals="0" name="oln:OlinCommonStockSalesAmount" format="ixt:num-dot-decimal" scale="0" id="f-155">6,150,723</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-49" decimals="0" name="oln:OlinCommonStockSalesAmount" format="ixt:num-dot-decimal" scale="0" id="f-156">570,862</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Total Sales</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-50" decimals="0" name="oln:OlinCommonStockSalesAmount" format="ixt:num-dot-decimal" scale="0" id="f-157">11,498,787</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-51" decimals="0" name="oln:OlinCommonStockSalesAmount" format="ixt:num-dot-decimal" scale="0" id="f-158">16,327,430</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr></table></div></ix:nonNumeric><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Olin Common Stock Fund is managed by State Street Investment Management (State Street).  Effective October 1, 2024, State Street and Empower Trust are custodians of the Plan&#8217;s assets and Empower is the Plan&#8217;s recordkeeper.  Prior to this date, State Street and Voya Trust were custodians of the Plan&#8217;s Assets and Voya was the Plan&#8217;s recordkeeper.  <ix:nonNumeric contextRef="c-4" name="oln:FeesPaidToPartiesInInterestTableTextBlock" id="f-159" continuedAt="f-159-1" escape="true">Fees paid to parties-in-interest primarily included recordkeeping and custodial fees and were as follows: </ix:nonNumeric></span></div><div style="text-align:justify"><span><br/></span></div><ix:continuation id="f-159-1"><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:88.194%"><tr><td style="width:1.0%"/><td style="width:64.569%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.750%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.429%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.752%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Years Ended December 31,</span></div></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2025</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2024</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Empower/Empower Trust</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-52" decimals="0" name="oln:FeesPaidToRelatedPartiesAndPartiesInInterest" format="ixt:num-dot-decimal" scale="0" id="f-160">769,649</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-53" decimals="0" name="oln:FeesPaidToRelatedPartiesAndPartiesInInterest" format="ixt:num-dot-decimal" scale="0" id="f-161">4,127</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Voya/Voya Trust</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div 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scale="0" id="f-163">467,921</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">State Street</span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-56" decimals="0" name="oln:FeesPaidToRelatedPartiesAndPartiesInInterest" format="ixt:num-dot-decimal" scale="0" id="f-164">60,000</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-57" decimals="0" name="oln:FeesPaidToRelatedPartiesAndPartiesInInterest" format="ixt:num-dot-decimal" scale="0" id="f-165">74,383</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr></table></div></ix:continuation></ix:nonNumeric><div style="text-align:justify"><span><br/></span></div><ix:nonNumeric contextRef="c-4" name="oln:ChangeInRecordkeeperAndCustodianTextBlock" id="f-166" continuedAt="f-166-1" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">NOTE 6. CHANGE IN RECORDKEEPER AND CUSTODIAN</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Effective October 1, 2024, Empower and Empower Trust were appointed as recordkeeper and custodian of the Plan, respectively, replacing Voya and Voya Trust.  The Plan assets transferred to </span></div></ix:nonNumeric><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">14</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_4">Table of Contents</a></span></div></div><ix:continuation id="f-166-1"><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Empower Trust were transferred into funds identical or comparable to those offered by Voya Trust.  The conversion initiated a blackout period beginning September 26, 2024 which continued through October 18, 2024.  During this period, funds could not be applied to the employee-selected funds with Empower Trust or withdrawn from the Plan until Empower Trust had time to accurately complete the conversion from Voya Trust.  During this period, employee contributions continued to be made through payroll deductions and the contributions were deposited and held in the participant accounts.  At the end of the blackout period, these funds were transferred to Empower Trust and invested in funds as requested by each participant.  In addition, the Plan was amended to provide three additional investment funds in which participant contributions to the Plan may be invested.</span></div></ix:continuation><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">15</span></div></div></div><div id="i97bea0d5da9f40e08dd1ccb87d7ea0f5_19"></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_4">Table of Contents</a></span></div></div><ix:nonNumeric contextRef="c-4" name="oln:EmployeeBenefitPlanScheduleOfAssetsHeldTextBlockTextBlock" id="f-168" escape="true"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"><ix:nonNumeric contextRef="c-4" name="us-gaap-ebp:EbpPlanName" id="f-167">Olin Corporation Retirement Savings Plan</ix:nonNumeric></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">EIN <ix:nonNumeric contextRef="c-4" name="dei:EntityTaxIdentificationNumber" id="f-169">13-1872319</ix:nonNumeric>, Plan No. <ix:nonNumeric contextRef="c-4" name="us-gaap-ebp:EmployeeBenefitPlanPlanNumber" id="f-170">032</ix:nonNumeric></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Schedule H, Line 4i &#8212; Schedule of Assets (Held at End of Year)</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">December&#160;31, 2025</span></div><div style="text-align:center"><span><br/></span></div><ix:nonNumeric contextRef="c-4" name="us-gaap-ebp:EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock" id="f-171" escape="true"><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.861%"><tr><td style="width:1.0%"/><td style="width:2.655%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.356%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:42.154%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.356%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.702%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.356%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.702%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.356%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.063%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:133%">(a)</span></div></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-top:4pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">(b) Identity of issue, borrower, lessor, or similar party</span></div></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-top:4pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">(c) Description of investment including maturity date, rate of interest, collateral, par, or maturity value</span></div></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-top:4pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">(e) Current value</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Olin Common Stock Fund:</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">*</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Olin Corporation common stock</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-58" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-172">1,291,304</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">shares</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-58" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-173">26,901,921</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Collective trusts:</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Galliard Managed Income Fund D</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-59" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-174">2,815,244</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-59" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-175">77,550,989</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">JPMCB Core Plus Bond</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-60" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-176">2,971,116</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-60" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-177">36,604,152</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 17.5pt;text-align:left;text-indent:-9pt;vertical-align:middle"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Northern Trust All Country World ex-US Investable Market Index</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-61" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-178">264,784</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-61" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-179">52,662,967</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 17.5pt;text-align:left;text-indent:-9pt;vertical-align:middle"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Northern Trust Extended Equity Market Index</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-62" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-180">81,898</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-62" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-181">18,147,027</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 17.5pt;text-align:left;text-indent:-9pt;vertical-align:middle"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Northern Trust S&amp;P 500 Index</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-63" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-182">819,939</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-63" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-183">260,535,622</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2010 Trust</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-64" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-184">1,122,408</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-64" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-185">27,992,855</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. 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Rowe Price Retirement 2020 Trust</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-66" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-188">1,314,921</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-66" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-189">39,250,402</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. 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Rowe Price Retirement 2030 Trust</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-68" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-192">3,309,588</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-68" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-193">119,740,898</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2035 Trust</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-69" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-194">3,137,024</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-69" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-195">124,477,146</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2040 Trust</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-70" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-196">2,394,682</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-70" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-197">101,965,561</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2045 Trust</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-71" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-198">2,015,000</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-71" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-199">89,304,800</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2050 Trust</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-72" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-200">1,783,540</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-72" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-201">79,617,215</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2055 Trust</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-73" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-202">2,167,828</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-73" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-203">96,859,899</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2060 Trust</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-74" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-204">155,584</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-74" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-205">4,462,146</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2065 Trust</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-75" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-206">48,137</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-75" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-207">864,541</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2070 Trust</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-76" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-208">51,569</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-76" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-209">565,192</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Mutual funds:</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Artisan International Value Fund</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-77" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-210">708,660</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-77" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-211">38,111,739</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Baird Aggregate Bond Fund</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-78" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-212">4,781,873</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">shares</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-78" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-213">47,531,821</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Capital Group American New Perspective Fund</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-79" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-214">397,813</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">shares</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-79" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-215">28,113,455</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Eaton Vance Atlanta Capital Small/Mid Cap Fund</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-80" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-216">1,139,336</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">shares</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-80" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-217">42,485,848</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">PIMCO All Asset Fund</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="shares" contextRef="c-81" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-218">844,279</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">shares</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-81" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-219">9,641,669</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">**</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Charles Schwab &amp; Co., Inc.</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Self-directed brokerage investment</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-82" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-220">79,420,336</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Total investments, at fair value</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-2" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-221">1,489,888,745</ix:nonFraction>&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">*</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 10pt;text-align:left;text-indent:-9pt;vertical-align:middle"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Notes receivable from participants</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%"><ix:nonFraction unitRef="rate" contextRef="c-83" decimals="4" name="us-gaap-ebp:EmployeeBenefitPlanParticipantLoanInterestRate" scale="-2" id="f-222">3.25</ix:nonFraction>% - <ix:nonFraction unitRef="rate" contextRef="c-84" decimals="4" name="us-gaap-ebp:EmployeeBenefitPlanParticipantLoanInterestRate" scale="-2" id="f-223">9.50</ix:nonFraction>%, maturing through <ix:nonFraction unitRef="y" contextRef="c-2" decimals="0" name="oln:LoanMaturityDate" scale="0" id="f-224">2042</ix:nonFraction></span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:3pt double #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:3pt double #000;padding:2px 0;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"><ix:nonFraction unitRef="usd" contextRef="c-2" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution" format="ixt:num-dot-decimal" scale="0" id="f-225">18,837,344</ix:nonFraction>&#160;</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="27" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">* Party-in-interest to the Plan.</span></div></td></tr><tr><td colspan="27" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">** The self-directed brokerage investment allows for direct investment in Olin Corporation, a party-in-interest to the Plan, common stock which included <ix:nonFraction unitRef="shares" contextRef="c-85" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-226">18,269</ix:nonFraction> shares with a value of $<ix:nonFraction unitRef="usd" contextRef="c-42" decimals="0" name="us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" format="ixt:num-dot-decimal" scale="0" id="f-227">380,548</ix:nonFraction>.</span></div></td></tr><tr><td colspan="27" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Column (d), cost, has been omitted as all investments are participant directed.</span></div></td></tr></table></div></ix:nonNumeric></ix:nonNumeric><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">16</span></div></div></div><div id="i97bea0d5da9f40e08dd1ccb87d7ea0f5_22"></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div style="-sec-extract:summary;margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_4">Table of Contents</a></span></div></div><div style="-sec-extract:summary;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Exhibits</span></div><div><span><br/></span></div><div><table 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1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">23</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="exhibit23-forvismazarsllpc.htm">Consent of </a><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="exhibit23-forvismazarsllpc.htm">Forvis Mazars, </a><a 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style="-sec-extract:summary;margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">17</span></div></div></div><div id="i97bea0d5da9f40e08dd1ccb87d7ea0f5_25"></div><hr style="page-break-after:always"/><div style="min-height:72pt;width:100%"><div style="margin-bottom:0.06pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%;text-decoration:underline" href="#i97bea0d5da9f40e08dd1ccb87d7ea0f5_4">Table of Contents</a></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Signatures</span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Pursuant to the requirements of the Securities Exchange Act of 1934, the trustees (or other persons who administer the employee benefit plan) have duly caused this annual report to be signed on its behalf by the undersigned hereunto duly authorized.</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:45.150%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:3.205%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.355%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:47.790%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Olin Corporation Retirement Savings Plan</span></div></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Date: June&#160;24, 2026</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">By:</span></div></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">/s/ Valerie A. Peters</span></div></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Vice President, Chief Human Resources Officer</span></div></td></tr></table></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">18</span></div></div></div></body></html>
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      <link:roleType id="ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails_1" roleURI="http://www.olin.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails_1">
        <link:definition>0000025 - Disclosure - Schedule H, Line 4i - Schedule of Assets (Held at End of Year) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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  </xs:annotation>
  <xs:element id="oln_EBP032Member" abstract="true" name="EBP032Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="oln_EBPChangeInRecordkeeperAndCustodianTable" abstract="true" name="EBPChangeInRecordkeeperAndCustodianTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
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  <xs:element id="oln_RetirementContributionPercentageImmediatelyVested" abstract="false" name="RetirementContributionPercentageImmediatelyVested" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
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  <xs:element id="oln_OlinCommonStockSalesAmount" abstract="false" name="OlinCommonStockSalesAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="oln_FeesPaidToRelatedPartiesAndPartiesInInterest" abstract="false" name="FeesPaidToRelatedPartiesAndPartiesInInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="oln_LoanMaturityDate" abstract="false" name="LoanMaturityDate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
</xs:schema>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.CAL
<SEQUENCE>4
<FILENAME>oln-20251231_cal.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="UTF-8"?>

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    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019efb3f-4f5d-7d36-a7a6-b62ceeebb2bd" xlink:to="loc_dei_LegalEntityAxis_019efb3f-7692-7d5d-8b36-dc78033e4420" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019efb3f-7692-7d5d-8b36-dc78033e4420_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019efb3f-7692-7d5d-8b36-dc78033e4420" xlink:to="loc_dei_EntityDomain_019efb3f-7692-7d5d-8b36-dc78033e4420_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019efb3f-7692-7fd1-9291-81244891f0d4" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019efb3f-7692-7d5d-8b36-dc78033e4420" xlink:to="loc_dei_EntityDomain_019efb3f-7692-7fd1-9291-81244891f0d4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_oln_EBP032Member_019efb3f-7692-7b98-a8a3-f1e787f3ad1a" xlink:href="oln-20251231.xsd#oln_EBP032Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019efb3f-7692-7fd1-9291-81244891f0d4" xlink:to="loc_oln_EBP032Member_019efb3f-7692-7b98-a8a3-f1e787f3ad1a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019efb56-ec43-7c45-8db1-b2355272b01d" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019efb3f-4f5d-7d36-a7a6-b62ceeebb2bd" xlink:to="loc_srt_RangeAxis_019efb56-ec43-7c45-8db1-b2355272b01d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019efb56-ec43-7c45-8db1-b2355272b01d_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019efb56-ec43-7c45-8db1-b2355272b01d" xlink:to="loc_srt_RangeMember_019efb56-ec43-7c45-8db1-b2355272b01d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019efb56-ec43-7883-a841-3c040b3c5761" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019efb56-ec43-7c45-8db1-b2355272b01d" xlink:to="loc_srt_RangeMember_019efb56-ec43-7883-a841-3c040b3c5761" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019efb57-161f-76ac-88cd-ecc2a0494186" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019efb56-ec43-7883-a841-3c040b3c5761" xlink:to="loc_srt_MaximumMember_019efb57-161f-76ac-88cd-ecc2a0494186" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019efb57-4fff-7f15-91ed-9987060a86d5" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019efb56-ec43-7883-a841-3c040b3c5761" xlink:to="loc_srt_MinimumMember_019efb57-4fff-7f15-91ed-9987060a86d5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EbpPlanName_019efb40-a63e-7e0a-827d-86a8dc039164" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EbpPlanName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_019efb3f-4f5d-7e5e-a231-af1ea61d4d4c" xlink:to="loc_us-gaap-ebp_EbpPlanName_019efb40-a63e-7e0a-827d-86a8dc039164" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019efb3f-4f5d-7959-b838-4d13854636d2" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_019efb3f-4f5d-7e5e-a231-af1ea61d4d4c" xlink:to="loc_dei_EntityTaxIdentificationNumber_019efb3f-4f5d-7959-b838-4d13854636d2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanPlanNumber_019efb40-4233-7116-8285-8a8f2167eb2e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanPlanNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_019efb3f-4f5d-7e5e-a231-af1ea61d4d4c" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanPlanNumber_019efb40-4233-7116-8285-8a8f2167eb2e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue_019efb41-f9f8-7af0-8654-9387f48ac90e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_019efb3f-4f5d-7e5e-a231-af1ea61d4d4c" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue_019efb41-f9f8-7af0-8654-9387f48ac90e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares_019efb43-c664-773a-9bf2-9b9f4c292b60" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares"/>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution_019efb54-cacb-7817-99ab-0be5b1d9cad1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution"/>
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  </link:definitionLink>
</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>6
<FILENAME>oln-20251231_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019dc03c-ef1e-7e76-84a6-6e384ebff60d,g:1e708a70-7075-4d8b-9922-dbee7254b6d2-->
<link:linkbase xmlns:link="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">
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel"/>
  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:label id="lab_dei_EntityTaxIdentificationNumber_019efb3f-4f5d-7609-ac87-4373577cc7f2_terseLabel_en-US" xlink:label="lab_dei_EntityTaxIdentificationNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Tax Identification Number</link:label>
    <link:label id="lab_dei_EntityTaxIdentificationNumber_label_en-US" xlink:label="lab_dei_EntityTaxIdentificationNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Tax Identification Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityTaxIdentificationNumber" xlink:to="lab_dei_EntityTaxIdentificationNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_FairValueInvestmentNAVRedemptionNoticePeriodApplicable_019efb36-b52d-7fc1-beea-337addd5e79b_terseLabel_en-US" xlink:label="lab_oln_FairValueInvestmentNAVRedemptionNoticePeriodApplicable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Investment NAV Redemption Notice Period Applicable</link:label>
    <link:label id="lab_oln_FairValueInvestmentNAVRedemptionNoticePeriodApplicable_label_en-US" xlink:label="lab_oln_FairValueInvestmentNAVRedemptionNoticePeriodApplicable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Investment NAV Redemption Notice Period Applicable</link:label>
    <link:label id="lab_oln_FairValueInvestmentNAVRedemptionNoticePeriodApplicable_documentation_en-US" xlink:label="lab_oln_FairValueInvestmentNAVRedemptionNoticePeriodApplicable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair Value Investment NAV Redemption Notice Period Applicable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_FairValueInvestmentNAVRedemptionNoticePeriodApplicable" xlink:href="oln-20251231.xsd#oln_FairValueInvestmentNAVRedemptionNoticePeriodApplicable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_FairValueInvestmentNAVRedemptionNoticePeriodApplicable" xlink:to="lab_oln_FairValueInvestmentNAVRedemptionNoticePeriodApplicable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover_019eed28-62f0-7749-8052-a9b62c69ef33_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rollovers</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MaximumMember_019efb57-161f-7744-a8e8-6e2d1cc6322a_terseLabel_en-US" xlink:label="lab_srt_MaximumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum</link:label>
    <link:label id="lab_srt_MaximumMember_label_en-US" xlink:label="lab_srt_MaximumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MaximumMember" xlink:to="lab_srt_MaximumMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_LegalEntityAxis_019dc045-874a-76cf-8fb6-8d4638c8f474_terseLabel_en-US" xlink:label="lab_dei_LegalEntityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</link:label>
    <link:label id="lab_dei_LegalEntityAxis_label_en-US" xlink:label="lab_dei_LegalEntityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LegalEntityAxis" xlink:to="lab_dei_LegalEntityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_RangeMember_019efa49-9ea7-7c73-aede-fe14be3451c6_terseLabel_en-US" xlink:label="lab_srt_RangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Domain]</link:label>
    <link:label id="lab_srt_RangeMember_label_en-US" xlink:label="lab_srt_RangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeMember" xlink:to="lab_srt_RangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019eed6d-4488-7efa-880c-463d7e385dfc_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Description of Plan [Table]</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Description of Plan [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable"/>
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    <link:label id="lab_us-gaap_MutualFundMember_019efb1a-5e94-74f1-bd4c-12d454c8c8d4_terseLabel_en-US" xlink:label="lab_us-gaap_MutualFundMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mutual funds</link:label>
    <link:label id="lab_us-gaap_MutualFundMember_label_en-US" xlink:label="lab_us-gaap_MutualFundMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mutual Fund [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MutualFundMember" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MutualFundMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MutualFundMember" xlink:to="lab_us-gaap_MutualFundMember" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_RetirementSavingsPlanVestingAxis_019efaff-b46f-7b34-9f1f-2ddff580c3ad_terseLabel_en-US" xlink:label="lab_oln_RetirementSavingsPlanVestingAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vesting [Axis]</link:label>
    <link:label id="lab_oln_RetirementSavingsPlanVestingAxis_label_en-US" xlink:label="lab_oln_RetirementSavingsPlanVestingAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retirement Savings Plan Vesting [Axis]</link:label>
    <link:label id="lab_oln_RetirementSavingsPlanVestingAxis_documentation_en-US" xlink:label="lab_oln_RetirementSavingsPlanVestingAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"></link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_RetirementSavingsPlanVestingAxis" xlink:href="oln-20251231.xsd#oln_RetirementSavingsPlanVestingAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_RetirementSavingsPlanVestingAxis" xlink:to="lab_oln_RetirementSavingsPlanVestingAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable_019efa2e-bed0-7f0c-89db-4960c35880dc_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Related Party and Party-in-Interest Transactions [Table]</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Related Party and Party-in-Interest Transactions [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage_019ef26f-4821-7b3c-8107-3c66ae9c3e0e_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Participant Contribution, Pretax, Maximum Annual Compensation to Total Compensation, Percentage</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Participant Contribution, Pretax, Maximum Annual Compensation to Total Compensation, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage"/>
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    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanSelfDirectedBrokerageAccountMember_019efb1c-4968-77af-a9fc-a8e92d3b1cfa_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanSelfDirectedBrokerageAccountMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Self-directed brokerage investment</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanSelfDirectedBrokerageAccountMember_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanSelfDirectedBrokerageAccountMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Self-Directed Brokerage Account [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanSelfDirectedBrokerageAccountMember" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanSelfDirectedBrokerageAccountMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanSelfDirectedBrokerageAccountMember" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanSelfDirectedBrokerageAccountMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease_019efa43-9443-7591-a353-97ef872e3ef7_negatedTotalLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total deductions</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Change in Net Asset Available for Benefit, Decrease</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount_019ef255-2b5b-7f8e-aaa8-1c862ed2e45e_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock_019eed72-016b-7a14-8aad-48337d08f8c6_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Investment, Fair Value and NAV</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Investment, Fair Value and NAV [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanAccruedExpense_019dcc7c-4517-7cc0-97ce-5d9cc0f0b2a5_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanAccruedExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued expenses</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanAccruedExpense_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanAccruedExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Accrued Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAccruedExpense" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAccruedExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccruedExpense" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanAccruedExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue_019dcc82-f650-7b7c-91c8-a05f876de6bb_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments, at fair value</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueInputsLevel1Member_019efb1a-f925-704b-ad16-0ab040850299_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 1</link:label>
    <link:label id="lab_us-gaap_FairValueInputsLevel1Member_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 1 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueInputsLevel1Member" xlink:to="lab_us-gaap_FairValueInputsLevel1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavAbstract_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Investment, Fair Value and NAV [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavAbstract" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTableTextBlock_019efab5-e7af-71f1-a8aa-511bbe82580a_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party and Party-in-Interest Transactions</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTableTextBlock_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Related Party and Party-in-Interest Transactions [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTableTextBlock" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanAsset_019dcc7b-7e93-71dc-ba8d-661a49a0389e_totalLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanAsset" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total assets</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanAsset_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Asset</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAsset" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAsset" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanAssetAbstract_019dcc92-661f-71a0-9d71-88a309677f2a_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanAssetAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanAssetAbstract_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanAssetAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Asset [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAssetAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAssetAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAssetAbstract" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanAssetAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_RangeAxis_019efa49-9ea7-7138-a56e-7e55fb596686_terseLabel_en-US" xlink:label="lab_srt_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Axis]</link:label>
    <link:label id="lab_srt_RangeAxis_label_en-US" xlink:label="lab_srt_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
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    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract_019eed1a-9297-7d65-95d1-396135b3bfb9_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Change in Net Asset Available for Benefit, Increase [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable_019eed10-55c1-70c7-8473-76856ecabaa1_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Statement of Change in Net Asset Available for Benefit [Table]</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Statement of Change in Net Asset Available for Benefit [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock_019efa70-0295-7e3d-9946-e89d372e66e9_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Benefit Payments</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Payment to Participant [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EbpFairValueInvestmentNavUnfundedCommitment_019efb2d-1ddc-7f83-b304-1e6795100ac9_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EbpFairValueInvestmentNavUnfundedCommitment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Fair Value, Investment, NAV, Unfunded Commitment</link:label>
    <link:label id="lab_us-gaap-ebp_EbpFairValueInvestmentNavUnfundedCommitment_label_en-US" xlink:label="lab_us-gaap-ebp_EbpFairValueInvestmentNavUnfundedCommitment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Fair Value, Investment, NAV, Unfunded Commitment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EbpFairValueInvestmentNavUnfundedCommitment" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EbpFairValueInvestmentNavUnfundedCommitment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EbpFairValueInvestmentNavUnfundedCommitment" xlink:to="lab_us-gaap-ebp_EbpFairValueInvestmentNavUnfundedCommitment" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanLiability_019dcc7c-d681-78e2-ac4c-0bf9e0457c91_totalLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanLiability" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total liabilities</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanLiability_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanLiability" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanLiability" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_A2YearsOfServiceMember_019efb02-54df-7610-9f16-b46df6344224_terseLabel_en-US" xlink:label="lab_oln_A2YearsOfServiceMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2 years of service [Member]</link:label>
    <link:label id="lab_oln_A2YearsOfServiceMember_label_en-US" xlink:label="lab_oln_A2YearsOfServiceMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2 years of service [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_A2YearsOfServiceMember" xlink:href="oln-20251231.xsd#oln_A2YearsOfServiceMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_A2YearsOfServiceMember" xlink:to="lab_oln_A2YearsOfServiceMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AmendmentFlag_019dc058-62b9-7445-a47f-b01a8dbc819c_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:label id="lab_dei_AmendmentFlag_label_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag" xlink:to="lab_dei_AmendmentFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_MatchingContributionImmediateVestingPercentage_019efb03-b75e-72cc-975a-e4e26f92e0b1_terseLabel_en-US" xlink:label="lab_oln_MatchingContributionImmediateVestingPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Matching Contribution Immediate Vesting Percentage</link:label>
    <link:label id="lab_oln_MatchingContributionImmediateVestingPercentage_label_en-US" xlink:label="lab_oln_MatchingContributionImmediateVestingPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Matching Contribution Immediate Vesting Percentage</link:label>
    <link:label id="lab_oln_MatchingContributionImmediateVestingPercentage_documentation_en-US" xlink:label="lab_oln_MatchingContributionImmediateVestingPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Matching Contribution Immediate Vesting Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_MatchingContributionImmediateVestingPercentage" xlink:href="oln-20251231.xsd#oln_MatchingContributionImmediateVestingPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_MatchingContributionImmediateVestingPercentage" xlink:to="lab_oln_MatchingContributionImmediateVestingPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_OlinCommonStockSalesAmount_019efb73-89d6-7c0a-b96c-0bd5f4cc4e47_terseLabel_en-US" xlink:label="lab_oln_OlinCommonStockSalesAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Olin Common Stock Sales, Amount</link:label>
    <link:label id="lab_oln_OlinCommonStockSalesAmount_label_en-US" xlink:label="lab_oln_OlinCommonStockSalesAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Olin Common Stock Sales, Amount</link:label>
    <link:label id="lab_oln_OlinCommonStockSalesAmount_documentation_en-US" xlink:label="lab_oln_OlinCommonStockSalesAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Value of investment purchased by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_OlinCommonStockSalesAmount" xlink:href="oln-20251231.xsd#oln_OlinCommonStockSalesAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_OlinCommonStockSalesAmount" xlink:to="lab_oln_OlinCommonStockSalesAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_OlinCommonStockFundMaximumAllocationPercentage_019efafc-efc6-7109-b97c-37878c160bd8_terseLabel_en-US" xlink:label="lab_oln_OlinCommonStockFundMaximumAllocationPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Olin Common Stock Fund Maximum Allocation Percentage</link:label>
    <link:label id="lab_oln_OlinCommonStockFundMaximumAllocationPercentage_label_en-US" xlink:label="lab_oln_OlinCommonStockFundMaximumAllocationPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Olin Common Stock Fund Maximum Allocation Percentage</link:label>
    <link:label id="lab_oln_OlinCommonStockFundMaximumAllocationPercentage_documentation_en-US" xlink:label="lab_oln_OlinCommonStockFundMaximumAllocationPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Olin Common Stock Fund Maximum Allocation Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_OlinCommonStockFundMaximumAllocationPercentage" xlink:href="oln-20251231.xsd#oln_OlinCommonStockFundMaximumAllocationPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_OlinCommonStockFundMaximumAllocationPercentage" xlink:to="lab_oln_OlinCommonStockFundMaximumAllocationPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock_019efa67-805c-7708-8297-ec6851c28db1_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis of Presentation</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Basis of Accounting [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019efa49-9ea7-7631-a70e-9e85ffa9707a_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Schedule of Asset Held for Investment [Table]</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Schedule of Asset Held for Investment [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares_019efb43-c664-73eb-b450-e96169c21a49_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Investment, Number of Shares</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Investment, Number of Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanAbstract_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Description of Plan and Accounting Change [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanAbstract" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract_019dcccc-ac6d-7952-816d-fe7b41ad1300_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Receivables:</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Receivable [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_RetirementContributionPercentageImmediatelyVested_019efb04-8da1-7b7b-9da1-88cef24cc358_terseLabel_en-US" xlink:label="lab_oln_RetirementContributionPercentageImmediatelyVested" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retirement Contribution Percentage Immediately Vested</link:label>
    <link:label id="lab_oln_RetirementContributionPercentageImmediatelyVested_label_en-US" xlink:label="lab_oln_RetirementContributionPercentageImmediatelyVested" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retirement Contribution Percentage Immediately Vested</link:label>
    <link:label id="lab_oln_RetirementContributionPercentageImmediatelyVested_documentation_en-US" xlink:label="lab_oln_RetirementContributionPercentageImmediatelyVested" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Retirement Contribution Percentage Immediately Vested</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_RetirementContributionPercentageImmediatelyVested" xlink:href="oln-20251231.xsd#oln_RetirementContributionPercentageImmediatelyVested"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_RetirementContributionPercentageImmediatelyVested" xlink:to="lab_oln_RetirementContributionPercentageImmediatelyVested" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock_019efaad-1ed7-73eb-b1fc-76655f67ce1f_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments Fair Value Hierarchy</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Investment, Fair Value and NAV [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_RetirementSavingsPlanVestingDomain_019efb00-0e9a-7d22-a61d-3231cbcc8949_terseLabel_en-US" xlink:label="lab_oln_RetirementSavingsPlanVestingDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vesting [Domain]</link:label>
    <link:label id="lab_oln_RetirementSavingsPlanVestingDomain_label_en-US" xlink:label="lab_oln_RetirementSavingsPlanVestingDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retirement Savings Plan Vesting [Domain]</link:label>
    <link:label id="lab_oln_RetirementSavingsPlanVestingDomain_documentation_en-US" xlink:label="lab_oln_RetirementSavingsPlanVestingDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"></link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_RetirementSavingsPlanVestingDomain" xlink:href="oln-20251231.xsd#oln_RetirementSavingsPlanVestingDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_RetirementSavingsPlanVestingDomain" xlink:to="lab_oln_RetirementSavingsPlanVestingDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InvestmentTypeCategorizationMember_019dcc67-7ba8-71b8-8b36-59c8a3f046a3_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentTypeCategorizationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments [Domain]</link:label>
    <link:label id="lab_us-gaap_InvestmentTypeCategorizationMember_label_en-US" xlink:label="lab_us-gaap_InvestmentTypeCategorizationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember" xlink:to="lab_us-gaap_InvestmentTypeCategorizationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock_019efa69-6ede-71df-b819-be4408dfd8df_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Use of Estimates</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Use of Estimate [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestDomain_019dcc67-7ba8-74dc-8c7e-b092a22bd263_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Related Party and Party-in-Interest [Domain]</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestDomain_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Related Party and Party-in-Interest [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestDomain" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_AutomaticEscalationPercentageMaximum_019efafb-b93d-765d-92a4-55ee2a625735_terseLabel_en-US" xlink:label="lab_oln_AutomaticEscalationPercentageMaximum" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Automatic Escalation Percentage Maximum</link:label>
    <link:label id="lab_oln_AutomaticEscalationPercentageMaximum_label_en-US" xlink:label="lab_oln_AutomaticEscalationPercentageMaximum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Automatic Escalation Percentage Maximum</link:label>
    <link:label id="lab_oln_AutomaticEscalationPercentageMaximum_documentation_en-US" xlink:label="lab_oln_AutomaticEscalationPercentageMaximum" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Automatic Escalation Percentage Maximum</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_AutomaticEscalationPercentageMaximum" xlink:href="oln-20251231.xsd#oln_AutomaticEscalationPercentageMaximum"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_AutomaticEscalationPercentageMaximum" xlink:to="lab_oln_AutomaticEscalationPercentageMaximum" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock_019efa49-9ea7-71aa-9657-df0ab5c2bb99_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Schedule of Asset Held for Investment</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Schedule of Asset Held for Investment [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CoverAbstract_label_en-US" xlink:label="lab_dei_CoverAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cover [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CoverAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CoverAbstract" xlink:to="lab_dei_CoverAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_AutomaticEscalationPercentage_019efafa-3777-7ad8-9867-7ace1ef419e7_terseLabel_en-US" xlink:label="lab_oln_AutomaticEscalationPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Automatic Escalation Percentage</link:label>
    <link:label id="lab_oln_AutomaticEscalationPercentage_label_en-US" xlink:label="lab_oln_AutomaticEscalationPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Automatic Escalation Percentage</link:label>
    <link:label id="lab_oln_AutomaticEscalationPercentage_documentation_en-US" xlink:label="lab_oln_AutomaticEscalationPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Automatic Escalation Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_AutomaticEscalationPercentage" xlink:href="oln-20251231.xsd#oln_AutomaticEscalationPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_AutomaticEscalationPercentage" xlink:to="lab_oln_AutomaticEscalationPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash_019eed29-0c8b-7f39-80fe-83353f5b85c2_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employer</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_OlinCommonStockPurchasesAmount_019efb72-e375-7061-aa2a-e30c04b4c363_terseLabel_en-US" xlink:label="lab_oln_OlinCommonStockPurchasesAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Olin Common Stock Purchases, Amount</link:label>
    <link:label id="lab_oln_OlinCommonStockPurchasesAmount_label_en-US" xlink:label="lab_oln_OlinCommonStockPurchasesAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Olin Common Stock Purchases, Amount</link:label>
    <link:label id="lab_oln_OlinCommonStockPurchasesAmount_documentation_en-US" xlink:label="lab_oln_OlinCommonStockPurchasesAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Value of investment purchased by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_OlinCommonStockPurchasesAmount" xlink:href="oln-20251231.xsd#oln_OlinCommonStockPurchasesAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_OlinCommonStockPurchasesAmount" xlink:to="lab_oln_OlinCommonStockPurchasesAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MinimumMember_019efb57-4fff-7c78-a75d-944cd9237d63_terseLabel_en-US" xlink:label="lab_srt_MinimumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum</link:label>
    <link:label id="lab_srt_MinimumMember_label_en-US" xlink:label="lab_srt_MinimumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MinimumMember" xlink:to="lab_srt_MinimumMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis_019dcc67-7ba8-7a3b-9170-5b1a3eb88de4_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Related Party and Party-in-Interest [Axis]</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Related Party and Party-in-Interest [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InvestmentTypeAxis_019dcc67-7ba8-7b26-abf7-77da600a8417_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment Type [Axis]</link:label>
    <link:label id="lab_us-gaap_InvestmentTypeAxis_label_en-US" xlink:label="lab_us-gaap_InvestmentTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentTypeAxis" xlink:to="lab_us-gaap_InvestmentTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant_019eed2c-c0d2-7880-8247-275ae3d8bc7f_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest income on notes receivable from participants</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution_019eed2c-4220-7b87-824a-91dbf3c88e64_totalLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total contributions</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Change in Net Asset Available for Benefit, Increase from Contribution</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover_019eed27-eb76-73c2-a51e-0b4aa151fc03_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Participant</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment_019eed22-784a-78a9-b132-2d0a9ba65945_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net appreciation in fair value of investments</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment_019eed0a-9002-79b3-b7e6-45d784f72421_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest and dividend income from investments</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_LessThan2YearsOfServiceMember_019efb00-d6b3-7b64-b87e-c2d4b04fb177_terseLabel_en-US" xlink:label="lab_oln_LessThan2YearsOfServiceMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Less than 2 years of service [Member]</link:label>
    <link:label id="lab_oln_LessThan2YearsOfServiceMember_label_en-US" xlink:label="lab_oln_LessThan2YearsOfServiceMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Less than 2 years of service [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_LessThan2YearsOfServiceMember" xlink:href="oln-20251231.xsd#oln_LessThan2YearsOfServiceMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_LessThan2YearsOfServiceMember" xlink:to="lab_oln_LessThan2YearsOfServiceMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019eed6d-4488-77ae-bc0c-631cb106111e_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Description of Plan [Line Items]</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Description of Plan [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanPlanNumber_019efb40-4233-75f3-94ee-c9fa11e30eb5_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanPlanNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Plan Number</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanPlanNumber_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanPlanNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Plan Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanPlanNumber" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanPlanNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanPlanNumber" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanPlanNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems_019efa40-c814-797c-af30-d5d1120a55c7_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Investment, Fair Value and NAV [Line Items]</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Investment, Fair Value and NAV [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems"/>
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    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock_019eed6d-4488-7aa3-b8c6-c28a6e7cbce9_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Description of the Plan</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Description of Plan [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_019eed17-a8b4-78bf-9ea2-d16815985fdb_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Statement of Change in Net Asset Available for Benefit [Line Items]</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Statement of Change in Net Asset Available for Benefit [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems"/>
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    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable_019dcc67-7ba8-757b-81ee-f9ff3f4ebeaa_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Statement of Net Asset Available for Benefit [Table]</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Statement of Net Asset Available for Benefit [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_ChangeInRecordkeeperAndCustodianTextBlock_019ef9e4-fbc6-7966-ab80-f341b8986b69_terseLabel_en-US" xlink:label="lab_oln_ChangeInRecordkeeperAndCustodianTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in Recordkeeper and Custodian</link:label>
    <link:label id="lab_oln_ChangeInRecordkeeperAndCustodianTextBlock_label_en-US" xlink:label="lab_oln_ChangeInRecordkeeperAndCustodianTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change in Recordkeeper and Custodian [Text Block]</link:label>
    <link:label id="lab_oln_ChangeInRecordkeeperAndCustodianTextBlock_documentation_en-US" xlink:label="lab_oln_ChangeInRecordkeeperAndCustodianTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Change in Recordkeeper and Custodian</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_ChangeInRecordkeeperAndCustodianTextBlock" xlink:href="oln-20251231.xsd#oln_ChangeInRecordkeeperAndCustodianTextBlock"/>
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    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_019efa49-9ea7-77de-80e6-df3e748c948d_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Schedule of Asset Held for Investment [Line Items]</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Schedule of Asset Held for Investment [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems"/>
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    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterDate_019efb3c-b630-7110-9979-5092ba18673b_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Tax Determination Letter, Date</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterDate_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Tax Determination Letter, Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterDate" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterDate" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterDate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember_019efb1b-b0af-7987-b53b-e74f0e5d14ec_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Olin Corporation common stock</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Employer, Common Stock [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentAbstract_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Schedule of Asset Held for Investment [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentAbstract"/>
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    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_019ef27b-32c1-768d-b210-72b32dc0c1b7_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Accounting Policy [Table]</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Accounting Policy [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable"/>
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    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease_019eed2d-f7ee-78bf-b511-ef63eef7c556_totalLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total additions</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Change in Net Asset Available for Benefit, Increase</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract_019eed1b-5ce9-7f84-bb20-bc8fce92052b_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment income:</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract"/>
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    <link:label id="lab_dei_DocumentDomain_019dc041-7e95-79a6-8758-aff420d59193_terseLabel_en-US" xlink:label="lab_dei_DocumentDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document [Domain]</link:label>
    <link:label id="lab_dei_DocumentDomain_label_en-US" xlink:label="lab_dei_DocumentDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document [Domain]</link:label>
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    <link:label id="lab_us-gaap_InvestmentIdentifierAxis_019efa49-9ea7-7ff8-b0f4-4d76b8d258c4_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentIdentifierAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment, Identifier [Axis]</link:label>
    <link:label id="lab_us-gaap_InvestmentIdentifierAxis_label_en-US" xlink:label="lab_us-gaap_InvestmentIdentifierAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment, Identifier [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIdentifierAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIdentifierAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentIdentifierAxis" xlink:to="lab_us-gaap_InvestmentIdentifierAxis" xlink:type="arc" order="1"/>
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    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_A3YearsOfServiceOrMoreMember_019efb02-ec66-7319-a4b8-e95952499676_terseLabel_en-US" xlink:label="lab_oln_A3YearsOfServiceOrMoreMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">3 years of service or more [Member]</link:label>
    <link:label id="lab_oln_A3YearsOfServiceOrMoreMember_label_en-US" xlink:label="lab_oln_A3YearsOfServiceOrMoreMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">3 years of service or more [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_A3YearsOfServiceOrMoreMember" xlink:href="oln-20251231.xsd#oln_A3YearsOfServiceOrMoreMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_A3YearsOfServiceOrMoreMember" xlink:to="lab_oln_A3YearsOfServiceOrMoreMember" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_OutstandingLoanRateMaximum_019efb0b-76d0-7270-8374-87e3a5065e9f_terseLabel_en-US" xlink:label="lab_oln_OutstandingLoanRateMaximum" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outstanding Loan Rate, Maximum</link:label>
    <link:label id="lab_oln_OutstandingLoanRateMaximum_label_en-US" xlink:label="lab_oln_OutstandingLoanRateMaximum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Outstanding Loan Rate, Maximum</link:label>
    <link:label id="lab_oln_OutstandingLoanRateMaximum_documentation_en-US" xlink:label="lab_oln_OutstandingLoanRateMaximum" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Outstanding Loan Rate, Maximum</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_OutstandingLoanRateMaximum" xlink:href="oln-20251231.xsd#oln_OutstandingLoanRateMaximum"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_OutstandingLoanRateMaximum" xlink:to="lab_oln_OutstandingLoanRateMaximum" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EbpRiskAndUncertaintyPolicyTextBlock_019efa6d-744c-7775-bbbe-2d1eb2d8a5fc_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EbpRiskAndUncertaintyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risks and Uncertainties</link:label>
    <link:label id="lab_us-gaap-ebp_EbpRiskAndUncertaintyPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap-ebp_EbpRiskAndUncertaintyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Risk and Uncertainty [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EbpRiskAndUncertaintyPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EbpRiskAndUncertaintyPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EbpRiskAndUncertaintyPolicyTextBlock" xlink:to="lab_us-gaap-ebp_EbpRiskAndUncertaintyPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentInformationLineItems_019dc041-7e95-70ee-825d-0554cff8c34a_terseLabel_en-US" xlink:label="lab_dei_DocumentInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Information [Line Items]</link:label>
    <link:label id="lab_dei_DocumentInformationLineItems_label_en-US" xlink:label="lab_dei_DocumentInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Information [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentInformationLineItems" xlink:to="lab_dei_DocumentInformationLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_OutstandingLoanRateMinimum_019efb0a-f8bc-78ae-87b7-e2063a74e9df_terseLabel_en-US" xlink:label="lab_oln_OutstandingLoanRateMinimum" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outstanding Loan Rate, Minimum</link:label>
    <link:label id="lab_oln_OutstandingLoanRateMinimum_label_en-US" xlink:label="lab_oln_OutstandingLoanRateMinimum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Outstanding Loan Rate, Minimum</link:label>
    <link:label id="lab_oln_OutstandingLoanRateMinimum_documentation_en-US" xlink:label="lab_oln_OutstandingLoanRateMinimum" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Outstanding Loan Rate, Minimum</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_OutstandingLoanRateMinimum" xlink:href="oln-20251231.xsd#oln_OutstandingLoanRateMinimum"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_OutstandingLoanRateMinimum" xlink:to="lab_oln_OutstandingLoanRateMinimum" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EbpFairValueInvestmentNavRedemptionDescription_019efb2f-fc49-7375-b974-e1db1341eb05_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EbpFairValueInvestmentNavRedemptionDescription" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Fair Value, Investment, NAV, Redemption, Description</link:label>
    <link:label id="lab_us-gaap-ebp_EbpFairValueInvestmentNavRedemptionDescription_label_en-US" xlink:label="lab_us-gaap-ebp_EbpFairValueInvestmentNavRedemptionDescription" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Fair Value, Investment, NAV, Redemption, Description</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EbpFairValueInvestmentNavRedemptionDescription" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EbpFairValueInvestmentNavRedemptionDescription"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EbpFairValueInvestmentNavRedemptionDescription" xlink:to="lab_us-gaap-ebp_EbpFairValueInvestmentNavRedemptionDescription" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitAbstract_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Statement of Change in Net Asset Available for Benefit [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitAbstract" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_EBPChangeInRecordkeeperAndCustodianTable_019efa29-1507-7599-bed7-00569d334723_terseLabel_en-US" xlink:label="lab_oln_EBPChangeInRecordkeeperAndCustodianTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Change in Recordkeeper and Custodian [Table]</link:label>
    <link:label id="lab_oln_EBPChangeInRecordkeeperAndCustodianTable_label_en-US" xlink:label="lab_oln_EBPChangeInRecordkeeperAndCustodianTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Change in Recordkeeper and Custodian [Table]</link:label>
    <link:label id="lab_oln_EBPChangeInRecordkeeperAndCustodianTable_documentation_en-US" xlink:label="lab_oln_EBPChangeInRecordkeeperAndCustodianTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">EBP, Change in Recordkeeper and Custodian</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_EBPChangeInRecordkeeperAndCustodianTable" xlink:href="oln-20251231.xsd#oln_EBPChangeInRecordkeeperAndCustodianTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_EBPChangeInRecordkeeperAndCustodianTable" xlink:to="lab_oln_EBPChangeInRecordkeeperAndCustodianTable" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_NewLoanRateMaximum_019efb0c-68e9-73ab-a901-dac12d4c76d1_terseLabel_en-US" xlink:label="lab_oln_NewLoanRateMaximum" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New Loan Rate, Maximum</link:label>
    <link:label id="lab_oln_NewLoanRateMaximum_label_en-US" xlink:label="lab_oln_NewLoanRateMaximum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Loan Rate, Maximum</link:label>
    <link:label id="lab_oln_NewLoanRateMaximum_documentation_en-US" xlink:label="lab_oln_NewLoanRateMaximum" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">New Loan Rate, Maximum</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_NewLoanRateMaximum" xlink:href="oln-20251231.xsd#oln_NewLoanRateMaximum"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_NewLoanRateMaximum" xlink:to="lab_oln_NewLoanRateMaximum" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterObtained_019efb3b-4bf0-7d72-9100-98d82aad91a6_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterObtained" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Tax Determination Letter, Obtained [true false]</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterObtained_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterObtained" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Tax Determination Letter, Obtained [true false]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterObtained" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterObtained"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterObtained" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterObtained" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_VoyaVoyaTrustMember_019efb76-dc79-7055-aedf-d74f79513fef_terseLabel_en-US" xlink:label="lab_oln_VoyaVoyaTrustMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Voya/Voya Trust</link:label>
    <link:label id="lab_oln_VoyaVoyaTrustMember_label_en-US" xlink:label="lab_oln_VoyaVoyaTrustMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Voya/Voya Trust [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_VoyaVoyaTrustMember" xlink:href="oln-20251231.xsd#oln_VoyaVoyaTrustMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_VoyaVoyaTrustMember" xlink:to="lab_oln_VoyaVoyaTrustMember" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_RetirementContributionVestingPercentage_019efafe-d329-70f9-95d9-bcf8e25148ef_terseLabel_en-US" xlink:label="lab_oln_RetirementContributionVestingPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retirement Contribution Vesting Percentage</link:label>
    <link:label id="lab_oln_RetirementContributionVestingPercentage_label_en-US" xlink:label="lab_oln_RetirementContributionVestingPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retirement Contribution Vesting Percentage</link:label>
    <link:label id="lab_oln_RetirementContributionVestingPercentage_documentation_en-US" xlink:label="lab_oln_RetirementContributionVestingPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Retirement Contribution Vesting Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_RetirementContributionVestingPercentage" xlink:href="oln-20251231.xsd#oln_RetirementContributionVestingPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_RetirementContributionVestingPercentage" xlink:to="lab_oln_RetirementContributionVestingPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTable_019ef9f1-7234-7d7e-9ec9-a3da44a9ab62_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Tax Status [Table]</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTable_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Tax Status [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTable" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanTaxStatusTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTable" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease_019eed59-6d02-78cf-9d48-32150cbfb02a_totalLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net increase in net assets available for benefits</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Change in Net Asset Available for Benefit, Increase (Decrease)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_LoanMaturityDate_019efb65-92ec-7f65-9f7d-6374d79b59dc_terseLabel_en-US" xlink:label="lab_oln_LoanMaturityDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan Maturity Date</link:label>
    <link:label id="lab_oln_LoanMaturityDate_label_en-US" xlink:label="lab_oln_LoanMaturityDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan Maturity Date</link:label>
    <link:label id="lab_oln_LoanMaturityDate_documentation_en-US" xlink:label="lab_oln_LoanMaturityDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maturity date of participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_LoanMaturityDate" xlink:href="oln-20251231.xsd#oln_LoanMaturityDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_LoanMaturityDate" xlink:to="lab_oln_LoanMaturityDate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock_019eed75-343c-7c6a-842d-24032df6e9fa_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Related Party and Party-in-Interest Transactions</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Related Party and Party-in-Interest Transactions [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsAbstract_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Related Party and Party-in-Interest Transactions [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsAbstract" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyAbstract_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyAbstract" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanExcessContributionPayable_019dcc7b-f626-765d-ba12-75a3d2e714c6_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanExcessContributionPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Excess deferrals due to participants</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanExcessContributionPayable_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanExcessContributionPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Excess Contribution Payable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanExcessContributionPayable" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanExcessContributionPayable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanExcessContributionPayable" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanExcessContributionPayable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanReceivable_019dcc79-93e9-7878-a604-2a9f2bd87939_totalLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanReceivable" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total receivables</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanReceivable_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanReceivable" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReceivable" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_TextBlockAbstract_label_en-US" xlink:label="lab_us-gaap_TextBlockAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Text Block [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TextBlockAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TextBlockAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TextBlockAbstract" xlink:to="lab_us-gaap_TextBlockAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanEmployerContributionReceivable_019dcc77-8b22-7b29-937c-e10f93c51b3d_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanEmployerContributionReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employer contributions</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanEmployerContributionReceivable_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanEmployerContributionReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Employer Contribution, Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerContributionReceivable" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanEmployerContributionReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerContributionReceivable" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanEmployerContributionReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate_019ef271-3a26-73f0-9d79-0a1dcf92da1c_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Participant Contribution, Automatic, Deferral Rate</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Participant Contribution, Automatic, Deferral Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant_019efa43-783c-7298-ac32-9827f4695497_negatedTerseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Benefits paid to participants</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue_019efb41-f9f8-7bc1-bcf2-98701b3c51e6_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019efb1a-e4ed-7957-8199-4f8669ee3847_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Hierarchy and NAV [Domain]</link:label>
    <link:label id="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Hierarchy and NAV [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_MaximumLoanTermYears_019efb09-340e-741f-9c91-40a26c0f2736_terseLabel_en-US" xlink:label="lab_oln_MaximumLoanTermYears" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum Loan Term, Years</link:label>
    <link:label id="lab_oln_MaximumLoanTermYears_label_en-US" xlink:label="lab_oln_MaximumLoanTermYears" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum Loan Term, Years</link:label>
    <link:label id="lab_oln_MaximumLoanTermYears_documentation_en-US" xlink:label="lab_oln_MaximumLoanTermYears" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum Loan Term, Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_MaximumLoanTermYears" xlink:href="oln-20251231.xsd#oln_MaximumLoanTermYears"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_MaximumLoanTermYears" xlink:to="lab_oln_MaximumLoanTermYears" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_EBPChangeInRecordkeeperAndCustodianLineItems_019efa2c-a558-7b66-b7cf-b9868b35952e_terseLabel_en-US" xlink:label="lab_oln_EBPChangeInRecordkeeperAndCustodianLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Change in Recordkeeper and Custodian [Line Items]</link:label>
    <link:label id="lab_oln_EBPChangeInRecordkeeperAndCustodianLineItems_label_en-US" xlink:label="lab_oln_EBPChangeInRecordkeeperAndCustodianLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Change in Recordkeeper and Custodian [Line Items]</link:label>
    <link:label id="lab_oln_EBPChangeInRecordkeeperAndCustodianLineItems_documentation_en-US" xlink:label="lab_oln_EBPChangeInRecordkeeperAndCustodianLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">EBP, Change in Recordkeeper and Custodian</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_EBPChangeInRecordkeeperAndCustodianLineItems" xlink:href="oln-20251231.xsd#oln_EBPChangeInRecordkeeperAndCustodianLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_EBPChangeInRecordkeeperAndCustodianLineItems" xlink:to="lab_oln_EBPChangeInRecordkeeperAndCustodianLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitAbstract_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Statement of Net Asset Available for Benefit [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitAbstract" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019ef27b-32c1-71dc-901b-48731d54b59a_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Accounting Policy [Line Items]</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Accounting Policy [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanTaxStatusAbstract_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanTaxStatusAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Tax Status [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanTaxStatusAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusAbstract" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanTaxStatusAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentPeriodEndDate_019dc057-b7f8-7e69-a2c8-c5e40c37ba19_terseLabel_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:label id="lab_dei_DocumentPeriodEndDate_label_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentPeriodEndDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentPeriodEndDate" xlink:to="lab_dei_DocumentPeriodEndDate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EbpPlanName_019dc074-05b2-79f7-9004-ed81bd8106a3_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EbpPlanName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Plan Name</link:label>
    <link:label id="lab_us-gaap-ebp_EbpPlanName_label_en-US" xlink:label="lab_us-gaap-ebp_EbpPlanName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Plan Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EbpPlanName" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EbpPlanName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EbpPlanName" xlink:to="lab_us-gaap-ebp_EbpPlanName" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanExpensePolicyTextBlock_019efa71-0774-7b46-9039-45e2fa8d643a_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanExpensePolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Administrative Expenses</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanExpensePolicyTextBlock_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanExpensePolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Expense [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanExpensePolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanExpensePolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanExpensePolicyTextBlock" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanExpensePolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution_019efb54-cacb-72c4-b8e1-930645e939a1_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_FeesPaidToRelatedPartiesAndPartiesInInterest_019efb75-4875-7cbb-98bc-51a0048a4d0d_terseLabel_en-US" xlink:label="lab_oln_FeesPaidToRelatedPartiesAndPartiesInInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fees Paid to Related Parties and Parties-in-Interest</link:label>
    <link:label id="lab_oln_FeesPaidToRelatedPartiesAndPartiesInInterest_label_en-US" xlink:label="lab_oln_FeesPaidToRelatedPartiesAndPartiesInInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fees Paid to Related Parties and Parties-in-Interest</link:label>
    <link:label id="lab_oln_FeesPaidToRelatedPartiesAndPartiesInInterest_documentation_en-US" xlink:label="lab_oln_FeesPaidToRelatedPartiesAndPartiesInInterest" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of fees paid to related parties and parties-in-interest.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_FeesPaidToRelatedPartiesAndPartiesInInterest" xlink:href="oln-20251231.xsd#oln_FeesPaidToRelatedPartiesAndPartiesInInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_FeesPaidToRelatedPartiesAndPartiesInInterest" xlink:to="lab_oln_FeesPaidToRelatedPartiesAndPartiesInInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock_019efa6a-80b0-7858-809b-2eedebbd1af7_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment Valuation and Income Recognition</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Investment [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentType_019dc041-7e95-72a7-bb47-cddd5418e8d7_terseLabel_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:label id="lab_dei_DocumentType_label_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentType"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentType" xlink:to="lab_dei_DocumentType" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_InvestmentsMeasuredAtFairValueExcludingCommonCollectiveTrustFundsMember_019efb20-77a0-744b-a6f4-b506b3f037ad_terseLabel_en-US" xlink:label="lab_oln_InvestmentsMeasuredAtFairValueExcludingCommonCollectiveTrustFundsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total categorized investments measured at fair value</link:label>
    <link:label id="lab_oln_InvestmentsMeasuredAtFairValueExcludingCommonCollectiveTrustFundsMember_label_en-US" xlink:label="lab_oln_InvestmentsMeasuredAtFairValueExcludingCommonCollectiveTrustFundsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments Measured at Fair Value Excluding Common/Collective Trust Funds [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_InvestmentsMeasuredAtFairValueExcludingCommonCollectiveTrustFundsMember" xlink:href="oln-20251231.xsd#oln_InvestmentsMeasuredAtFairValueExcludingCommonCollectiveTrustFundsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_InvestmentsMeasuredAtFairValueExcludingCommonCollectiveTrustFundsMember" xlink:to="lab_oln_InvestmentsMeasuredAtFairValueExcludingCommonCollectiveTrustFundsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock_019ef24e-c8ba-79fd-98ea-883b43213c6c_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Plan Termination [Text Block]</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Plan Termination [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCentralIndexKey_019dc058-f39a-749d-856c-bb3efcc23826_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:label id="lab_dei_EntityCentralIndexKey_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey" xlink:to="lab_dei_EntityCentralIndexKey" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate_019efb55-ec22-7d5f-8602-0e27848da8f4_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Asset Held for Investment, Participant Loan, Interest Rate</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Asset Held for Investment, Participant Loan, Interest Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember_019efb22-9313-74c0-982a-4f0ef23d03c7_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collective trust funds with fair value measured at net asset value (1)</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Collective Trust [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember" xlink:to="lab_us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems_019ef9f3-adcb-716d-b4a3-380a4f4c575b_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Tax Status [Line Items]</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Tax Status [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract_019eed56-8c36-721a-80ea-6cbd7eb311d9_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deductions</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Change in Net Asset Available for Benefit, Decrease [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution_019ef276-32c9-770d-aec4-a54ab9efe521_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Forfeited Nonvested Account, Decrease from Employer Contribution</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Forfeited Nonvested Account, Decrease from Employer Contribution</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant_019dcc75-2530-7738-b1b0-1830757dc1a5_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes receivable from participants</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Note Receivable from Participant</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_019efb1a-e4ed-7cd7-a416-2061edc53c35_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Hierarchy and NAV [Axis]</link:label>
    <link:label id="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_label_en-US" xlink:label="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Hierarchy and NAV [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock_019eed70-ce43-781b-adf5-e300ec17c4c0_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Significant Accounting Policies</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Summary of Accounting Policy [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityRegistrantName_019dc07a-c88c-7d16-ba6a-97f0623ded84_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:label id="lab_dei_EntityRegistrantName_label_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityRegistrantName" xlink:to="lab_dei_EntityRegistrantName" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_RetirementContributionVestingScheduleExcludingSafeHarborTableTextBlock_019efa5e-19d5-740f-a1d1-da93803b8342_terseLabel_en-US" xlink:label="lab_oln_RetirementContributionVestingScheduleExcludingSafeHarborTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retirement Contribution Vesting Schedule Excluding Safe Harbor</link:label>
    <link:label id="lab_oln_RetirementContributionVestingScheduleExcludingSafeHarborTableTextBlock_label_en-US" xlink:label="lab_oln_RetirementContributionVestingScheduleExcludingSafeHarborTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retirement Contribution Vesting Schedule Excluding Safe Harbor [Table Text Block]</link:label>
    <link:label id="lab_oln_RetirementContributionVestingScheduleExcludingSafeHarborTableTextBlock_documentation_en-US" xlink:label="lab_oln_RetirementContributionVestingScheduleExcludingSafeHarborTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Retirement Contribution Vesting Schedule Excluding Safe Harbor</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_RetirementContributionVestingScheduleExcludingSafeHarborTableTextBlock" xlink:href="oln-20251231.xsd#oln_RetirementContributionVestingScheduleExcludingSafeHarborTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_RetirementContributionVestingScheduleExcludingSafeHarborTableTextBlock" xlink:to="lab_oln_RetirementContributionVestingScheduleExcludingSafeHarborTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanLiabilityAbstract_019dccd0-0371-7c23-bdb8-64420c70e487_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanLiabilityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanLiabilityAbstract_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanLiabilityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Liability [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanLiabilityAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanLiabilityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanLiabilityAbstract" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanLiabilityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_RelatedPartyAndPartyInInterestBalanceTabularDisclosureTableTextBlock_019efab5-2f03-7319-b170-d793124d884f_terseLabel_en-US" xlink:label="lab_oln_RelatedPartyAndPartyInInterestBalanceTabularDisclosureTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party and Party-in-Interest Balances</link:label>
    <link:label id="lab_oln_RelatedPartyAndPartyInInterestBalanceTabularDisclosureTableTextBlock_label_en-US" xlink:label="lab_oln_RelatedPartyAndPartyInInterestBalanceTabularDisclosureTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party and Party-in-Interest Balance Tabular Disclosure [Table Text Block]</link:label>
    <link:label id="lab_oln_RelatedPartyAndPartyInInterestBalanceTabularDisclosureTableTextBlock_documentation_en-US" xlink:label="lab_oln_RelatedPartyAndPartyInInterestBalanceTabularDisclosureTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of related party and party-in-interest balances with employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_RelatedPartyAndPartyInInterestBalanceTabularDisclosureTableTextBlock" xlink:href="oln-20251231.xsd#oln_RelatedPartyAndPartyInInterestBalanceTabularDisclosureTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_RelatedPartyAndPartyInInterestBalanceTabularDisclosureTableTextBlock" xlink:to="lab_oln_RelatedPartyAndPartyInInterestBalanceTabularDisclosureTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock_019eed73-78d1-7033-9dba-fd5797720a4b_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Tax Status</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Tax Status [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage_019ef25c-c230-754a-aa83-c9fc45a8ff3e_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_EmpowerEmpowerTrustMember_019efb76-6399-79dc-b3e4-1c54040e9dca_terseLabel_en-US" xlink:label="lab_oln_EmpowerEmpowerTrustMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Empower/Empower Trust</link:label>
    <link:label id="lab_oln_EmpowerEmpowerTrustMember_label_en-US" xlink:label="lab_oln_EmpowerEmpowerTrustMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Empower/Empower Trust [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_EmpowerEmpowerTrustMember" xlink:href="oln-20251231.xsd#oln_EmpowerEmpowerTrustMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_EmpowerEmpowerTrustMember" xlink:to="lab_oln_EmpowerEmpowerTrustMember" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_NewLoanRateMinimum_019efb0b-ffd6-7707-9b4e-13402bfebdae_terseLabel_en-US" xlink:label="lab_oln_NewLoanRateMinimum" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New Loan Rate, Minimum</link:label>
    <link:label id="lab_oln_NewLoanRateMinimum_label_en-US" xlink:label="lab_oln_NewLoanRateMinimum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Loan Rate, Minimum</link:label>
    <link:label id="lab_oln_NewLoanRateMinimum_documentation_en-US" xlink:label="lab_oln_NewLoanRateMinimum" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">New Loan Rate, Minimum</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_NewLoanRateMinimum" xlink:href="oln-20251231.xsd#oln_NewLoanRateMinimum"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_NewLoanRateMinimum" xlink:to="lab_oln_NewLoanRateMinimum" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_StateStreetMember_019efb77-56df-7d76-acca-e2ebc7bdfd3d_terseLabel_en-US" xlink:label="lab_oln_StateStreetMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">State Street</link:label>
    <link:label id="lab_oln_StateStreetMember_label_en-US" xlink:label="lab_oln_StateStreetMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">State Street [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_StateStreetMember" xlink:href="oln-20251231.xsd#oln_StateStreetMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_StateStreetMember" xlink:to="lab_oln_StateStreetMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentInformationTable_019dc041-7e95-71de-8826-a995e3749541_terseLabel_en-US" xlink:label="lab_dei_DocumentInformationTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Information [Table]</link:label>
    <link:label id="lab_dei_DocumentInformationTable_label_en-US" xlink:label="lab_dei_DocumentInformationTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Information [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentInformationTable" xlink:to="lab_dei_DocumentInformationTable" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_EmployerContributionsReceivablePolicyTextBlock_019efa98-f73d-7e92-8d8e-b8b099b0616b_terseLabel_en-US" xlink:label="lab_oln_EmployerContributionsReceivablePolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employer Contributions Receivable</link:label>
    <link:label id="lab_oln_EmployerContributionsReceivablePolicyTextBlock_label_en-US" xlink:label="lab_oln_EmployerContributionsReceivablePolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employer Contributions Receivable [Policy Text Block]</link:label>
    <link:label id="lab_oln_EmployerContributionsReceivablePolicyTextBlock_documentation_en-US" xlink:label="lab_oln_EmployerContributionsReceivablePolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of accounting policy for contributions receivable from the employer in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_EmployerContributionsReceivablePolicyTextBlock" xlink:href="oln-20251231.xsd#oln_EmployerContributionsReceivablePolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_EmployerContributionsReceivablePolicyTextBlock" xlink:to="lab_oln_EmployerContributionsReceivablePolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_EBP032Member_019dc046-a918-7231-9e52-40e27e7c848f_terseLabel_en-US" xlink:label="lab_oln_EBP032Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP 032</link:label>
    <link:label id="lab_oln_EBP032Member_label_en-US" xlink:label="lab_oln_EBP032Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP 032 [Member]</link:label>
    <link:label id="lab_oln_EBP032Member_documentation_en-US" xlink:label="lab_oln_EBP032Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Olin Corporation Retirement Savings Plan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_EBP032Member" xlink:href="oln-20251231.xsd#oln_EBP032Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_EBP032Member" xlink:to="lab_oln_EBP032Member" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_InvestmentsMeasuredAtNetAssetValueTableTextBlock_019efab0-1d3d-7bfc-8e1a-37e1e34193ce_terseLabel_en-US" xlink:label="lab_oln_InvestmentsMeasuredAtNetAssetValueTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments Measured at Net Asset Value</link:label>
    <link:label id="lab_oln_InvestmentsMeasuredAtNetAssetValueTableTextBlock_label_en-US" xlink:label="lab_oln_InvestmentsMeasuredAtNetAssetValueTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments Measured at Net Asset Value [Table Text Block]</link:label>
    <link:label id="lab_oln_InvestmentsMeasuredAtNetAssetValueTableTextBlock_documentation_en-US" xlink:label="lab_oln_InvestmentsMeasuredAtNetAssetValueTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure table summarizing investments measured using net asset value (NAV) per share as a practical expedient.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_InvestmentsMeasuredAtNetAssetValueTableTextBlock" xlink:href="oln-20251231.xsd#oln_InvestmentsMeasuredAtNetAssetValueTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_InvestmentsMeasuredAtNetAssetValueTableTextBlock" xlink:to="lab_oln_InvestmentsMeasuredAtNetAssetValueTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_EmployeeBenefitPlanScheduleOfAssetsHeldTextBlockTextBlock_019efac0-8fca-7e08-b241-4e7a8d791d32_terseLabel_en-US" xlink:label="lab_oln_EmployeeBenefitPlanScheduleOfAssetsHeldTextBlockTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Assets Held for Investment [Text Block]</link:label>
    <link:label id="lab_oln_EmployeeBenefitPlanScheduleOfAssetsHeldTextBlockTextBlock_label_en-US" xlink:label="lab_oln_EmployeeBenefitPlanScheduleOfAssetsHeldTextBlockTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EmployeeBenefitPlanScheduleOfAssetsHeldTextBlock [Text Block]</link:label>
    <link:label id="lab_oln_EmployeeBenefitPlanScheduleOfAssetsHeldTextBlockTextBlock_documentation_en-US" xlink:label="lab_oln_EmployeeBenefitPlanScheduleOfAssetsHeldTextBlockTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Employee benefit plan, schedule of assets held.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_EmployeeBenefitPlanScheduleOfAssetsHeldTextBlockTextBlock" xlink:href="oln-20251231.xsd#oln_EmployeeBenefitPlanScheduleOfAssetsHeldTextBlockTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_EmployeeBenefitPlanScheduleOfAssetsHeldTextBlockTextBlock" xlink:to="lab_oln_EmployeeBenefitPlanScheduleOfAssetsHeldTextBlockTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_TrustFundManagementPolicyTextBlock_019efa74-7a04-748f-aebb-8cbfdd2292db_terseLabel_en-US" xlink:label="lab_oln_TrustFundManagementPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trust Fund Management</link:label>
    <link:label id="lab_oln_TrustFundManagementPolicyTextBlock_label_en-US" xlink:label="lab_oln_TrustFundManagementPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trust Fund Management [Policy Text Block]</link:label>
    <link:label id="lab_oln_TrustFundManagementPolicyTextBlock_documentation_en-US" xlink:label="lab_oln_TrustFundManagementPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of accounting policy for the relevant Trust in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_TrustFundManagementPolicyTextBlock" xlink:href="oln-20251231.xsd#oln_TrustFundManagementPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_oln_TrustFundManagementPolicyTextBlock" xlink:to="lab_oln_TrustFundManagementPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment_019eed24-eccf-7e09-abbf-a6d00eef190b_totalLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total investment income</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems_019efa30-07d9-7dc2-bec0-5602030585a4_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBP, Related Party and Party-in-Interest Transactions [Line Items]</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Related Party and Party-in-Interest Transactions [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanOtherReceivable_019dcc77-ffa6-7374-a0ac-06b276320295_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanOtherReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other receivables</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanOtherReceivable_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanOtherReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Other Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanOtherReceivable" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanOtherReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanOtherReceivable" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanOtherReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_019dcc7d-b818-7f3c-815d-32280f1e9dd7_totalLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net assets available for benefits</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_019dcc7d-3615-79e5-94fb-a8b82399b5ab_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net assets available for benefits at beginning of year</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_019eed62-a691-7e98-8cc9-50bc37aedebc_verboseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net assets available for benefits at end of year</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Net Asset Available for Benefit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityDomain_019dc045-874a-7a97-88e2-0569598745cc_terseLabel_en-US" xlink:label="lab_dei_EntityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity [Domain]</link:label>
    <link:label id="lab_dei_EntityDomain_label_en-US" xlink:label="lab_dei_EntityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityDomain" xlink:to="lab_dei_EntityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract_019eed26-3223-76d0-a98c-931bcf0ba4a2_terseLabel_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contributions:</link:label>
    <link:label id="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract_label_en-US" xlink:label="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract" xlink:to="lab_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_oln_FeesPaidToPartiesInInterestTableTextBlock_019efab7-c314-7037-bcc9-749614645f04_terseLabel_en-US" xlink:label="lab_oln_FeesPaidToPartiesInInterestTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fees Paid to Parties-in-Interest</link:label>
    <link:label id="lab_oln_FeesPaidToPartiesInInterestTableTextBlock_label_en-US" xlink:label="lab_oln_FeesPaidToPartiesInInterestTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fees Paid to Parties-in-Interest [Table Text Block]</link:label>
    <link:label id="lab_oln_FeesPaidToPartiesInInterestTableTextBlock_documentation_en-US" xlink:label="lab_oln_FeesPaidToPartiesInInterestTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of fees paid to Parties-in-Interest.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_oln_FeesPaidToPartiesInInterestTableTextBlock" xlink:href="oln-20251231.xsd#oln_FeesPaidToPartiesInInterestTableTextBlock"/>
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<title></title>
<link rel="stylesheet" type="text/css" href="include/report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Document and Entity Information<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2025</div></th></tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentInformationLineItems', window );"><strong>Document Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">11-K<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Dec. 31,  2025<span></span>
</td>
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<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0000074303<span></span>
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<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">Olin Corporation<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AmendmentFlag</td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentInformationLineItems</td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Statements of Net Assets Available for Benefits - EBP 032 - USD ($)<br></strong></div></th>
<th class="th"><div>Dec. 31, 2025</div></th>
<th class="th"><div>Dec. 31, 2024</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetAbstract', window );"><strong>Assets</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue', window );">Investments, at fair value</a></td>
<td class="nump">$ 1,489,888,745<span></span>
</td>
<td class="nump">$ 1,344,344,557<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract', window );"><strong>Receivables:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant', window );">Notes receivable from participants</a></td>
<td class="nump">18,837,344<span></span>
</td>
<td class="nump">16,510,125<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanEmployerContributionReceivable', window );">Employer contributions</a></td>
<td class="nump">13,678,043<span></span>
</td>
<td class="nump">29,453<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanOtherReceivable', window );">Other receivables</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">4,345<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanReceivable', window );">Total receivables</a></td>
<td class="nump">32,515,387<span></span>
</td>
<td class="nump">16,543,923<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAsset', window );">Total assets</a></td>
<td class="nump">1,522,404,132<span></span>
</td>
<td class="nump">1,360,888,480<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanLiabilityAbstract', window );"><strong>Liabilities</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanExcessContributionPayable', window );">Excess deferrals due to participants</a></td>
<td class="nump">405,280<span></span>
</td>
<td class="nump">344,211<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAccruedExpense', window );">Accrued expenses</a></td>
<td class="nump">21,121<span></span>
</td>
<td class="nump">6,000<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanLiability', window );">Total liabilities</a></td>
<td class="nump">426,401<span></span>
</td>
<td class="nump">350,211<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit', window );">Net assets available for benefits</a></td>
<td class="nump">$ 1,521,977,731<span></span>
</td>
<td class="nump">$ 1,360,538,269<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanAccruedExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of liability for expense incurred but not yet paid by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 18<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-18<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule II))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477063/962-205-45-4<br><br>Reference 5: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 8C<br> -Subparagraph (f)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477783/962-325-50-8C<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 25<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479750/962-40-25-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanAccruedExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanAsset">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of asset held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule II))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478416/962-205-50-1<br><br>Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 8C<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477783/962-325-50-8C<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 2<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477063/962-205-45-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanAsset</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanAssetAbstract">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanAssetAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
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<tr>
<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanEmployerContributionReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of contribution receivable from employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule II))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 310<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478642/962-310-45-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanEmployerContributionReceivable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanExcessContributionPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of excess contribution payable to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule II))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477063/962-205-45-4<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanExcessContributionPayable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Fair value of investment, excluding plan interest in master trust, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract not meeting fully-benefit responsive investment criteria.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 815<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 4B<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4B<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 815<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 4B<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4B<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 815<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 4A<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A<br><br>Reference 4: 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(a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2<br><br>Reference 8: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 9: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 5<br> -Subparagraph (f)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477509/962-325-45-5<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 815<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 4K<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4K<br><br>Reference 11: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 5<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477509/962-325-45-5<br><br>Reference 12: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 5<br> -Subparagraph (j)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477509/962-325-45-5<br><br>Reference 13: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 815<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 7A<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480434/815-10-50-7A<br><br>Reference 14: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 6A<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A<br><br>Reference 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FASB<br> -URI https://asc.fasb.org/1943274/2147477509/962-325-45-5<br><br>Reference 19: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 5<br> -Subparagraph (e)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477509/962-325-45-5<br><br>Reference 20: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 5<br> -Subparagraph (d)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477509/962-325-45-5<br><br>Reference 21: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 5<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477509/962-325-45-5<br><br>Reference 22: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name 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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of liability of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule II))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 8C<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477783/962-325-50-8C<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 2<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477063/962-205-45-2<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-03(7))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanLiabilityAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanLiabilityAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of asset less liability available to pay benefit of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, aggregation of participants' individual account balances.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 8<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477509/962-325-45-8<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 250<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)(3)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483443/250-10-50-1<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 18<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-18<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule II))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 25<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479750/962-40-25-1<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-04(7))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-04(6))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-03(9))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 2<br> -Subparagraph (d)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477063/962-205-45-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of unpaid principal plus accrued but unpaid interest for loan from participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule II))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 310<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 2<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478642/962-310-45-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanOtherReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of receivable for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), classified as other.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-03(6))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanOtherReceivable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of receivable of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule II))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanReceivable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract</td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=oln_EBP032Member</td>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Statements of Changes in Net Assets Available for Benefits - EBP 032 - USD ($)<br></strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2025</div></th>
<th class="th"><div>Dec. 31, 2024</div></th>
<th class="th"><div>Dec. 31, 2023</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract', window );"><strong>Investment income:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment', window );">Interest and dividend income from investments</a></td>
<td class="nump">$ 10,724,420<span></span>
</td>
<td class="nump">$ 8,436,604<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment', window );">Net appreciation in fair value of investments</a></td>
<td class="nump">167,875,657<span></span>
</td>
<td class="nump">121,231,739<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment', window );">Total investment income</a></td>
<td class="nump">178,600,077<span></span>
</td>
<td class="nump">129,668,343<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract', window );"><strong>Contributions:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover', window );">Participant</a></td>
<td class="nump">60,983,728<span></span>
</td>
<td class="nump">56,667,042<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash', window );">Employer</a></td>
<td class="nump">68,901,575<span></span>
</td>
<td class="nump">52,174,144<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover', window );">Rollovers</a></td>
<td class="nump">11,176,072<span></span>
</td>
<td class="nump">5,063,484<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution', window );">Total contributions</a></td>
<td class="nump">141,061,375<span></span>
</td>
<td class="nump">113,904,670<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant', window );">Interest income on notes receivable from participants</a></td>
<td class="nump">1,308,637<span></span>
</td>
<td class="nump">1,021,990<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease', window );">Total additions</a></td>
<td class="nump">320,970,089<span></span>
</td>
<td class="nump">244,595,003<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract', window );"><strong>Deductions</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense', window );">Administrative expenses</a></td>
<td class="num">(1,096,925)<span></span>
</td>
<td class="num">(976,719)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant', window );">Benefits paid to participants</a></td>
<td class="num">(158,433,702)<span></span>
</td>
<td class="num">(151,993,330)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease', window );">Total deductions</a></td>
<td class="num">(159,530,627)<span></span>
</td>
<td class="num">(152,970,049)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease', window );">Net increase in net assets available for benefits</a></td>
<td class="nump">161,439,462<span></span>
</td>
<td class="nump">91,624,954<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit', window );">Net assets available for benefits at beginning of year</a></td>
<td class="nump">1,521,977,731<span></span>
</td>
<td class="nump">1,360,538,269<span></span>
</td>
<td class="nump">$ 1,268,913,315<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit', window );">Net assets available for benefits at end of year</a></td>
<td class="nump">$ 1,521,977,731<span></span>
</td>
<td class="nump">$ 1,360,538,269<span></span>
</td>
<td class="nump">$ 1,268,913,315<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of decrease in net asset available for benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule III))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of decrease in net asset available for benefit from administrative expense incurred by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule III))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 7<br> -Subparagraph (h)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477063/962-205-45-7<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense</td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of decrease in net asset available for benefit from payment of benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, withdrawal.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule III))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-04(5)(b))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2B<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477783/962-325-50-2B<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 7<br> -Subparagraph (f)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477063/962-205-45-7<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of increase in net asset available for benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule III))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in net asset available for benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 250<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)(2)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483443/250-10-50-1<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule III))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 8<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477509/962-325-45-8<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in net asset available for benefit from realized and unrealized gain (loss) on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 815<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 4A<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 7<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477783/962-325-50-7<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 7<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477063/962-205-45-7<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment</td>
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<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in net asset available for benefit from income (loss) on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, realized and unrealized gain (loss) on investment.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of increase in net asset available for benefit from contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule III))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of increase in net asset available for benefit from cash contribution from employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 7<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477063/962-205-45-7<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of increase in net asset available for benefit from interest and dividend income on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 7<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477783/962-325-50-7<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of increase in net asset available for benefit from interest income on note receivable from participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule III))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>debit</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount, excluding rollover, of increase in net asset available for benefit from contribution by participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-04(4)(a)(1))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-04(4)(b))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 4: http://www.xbrl.org/2003/role/recommendedDisclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule III))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 5: http://www.xbrl.org/2003/role/recommendedDisclosureRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2B<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477783/962-325-50-2B<br><br>Reference 6: http://www.xbrl.org/2003/role/recommendedDisclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 7<br> -Subparagraph (d)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477063/962-205-45-7<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of increase in net asset available for benefit from contribution transferred from another qualified plan or from individual retirement account of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Excludes contribution for participant transmitted by employer of participant in EBP.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-04(4)(a)(1))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-04(4)(b))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 4: http://www.xbrl.org/2003/role/recommendedDisclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule III))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 5: http://www.xbrl.org/2003/role/recommendedDisclosureRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2B<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477783/962-325-50-2B<br><br>Reference 6: http://www.xbrl.org/2003/role/recommendedDisclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 7<br> -Subparagraph (d)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477063/962-205-45-7<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of asset less liability available to pay benefit of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, aggregation of participants' individual account balances.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 8<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477509/962-325-45-8<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 250<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)(3)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483443/250-10-50-1<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 18<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-18<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule II))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 25<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479750/962-40-25-1<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-04(7))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-04(6))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-03(9))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 2<br> -Subparagraph (d)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477063/962-205-45-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Description of the Plan<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2025</div></th></tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">EBP 032</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems', window );"><strong>EBP, Description of Plan [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock', window );">Description of the Plan</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">NOTE 1.  DESCRIPTION OF THE PLAN</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Olin Corporation (Olin) Retirement Savings Plan (the Plan) was amended and restated effective January 1, 2024 in order to include all prior amendments made to the Plan and incorporate certain legally required amendments. Additionally, effective October 1, 2024, the Plan&#8217;s name was changed from the Contributing Employee Ownership Plan (CEOP) and to reflect operational practices and changes made in connection with Olin&#8217;s engagement of a new recordkeeper and custodian.  The following description of the Plan provides only general information.  Participants should refer to the Plan document for a more complete description of the Plan&#8217;s provisions.  </span></div><div style="text-align:justify"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">General</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan is a defined contribution plan originally established in 1964 that has since been amended and restated and for which Olin is the current sponsor.  The Plan was established for the purpose of providing retirement benefits for the United States (U.S.) employees of Olin and its subsidiaries.  The Plan contains a cash or deferred component which was intended to qualify under Sections 401(a) and 401(k) of the Internal Revenue Code of 1986, as amended (the Code) and an employee stock ownership plan (ESOP) component intended to qualify as a stock bonus plan under Sections 401(a) and 4975(e)(7) of the Code.  The ESOP consists of the Olin Common Stock Fund.  The Plan is subject to the applicable provisions of the Employee Retirement Income Security Act of 1974, as amended (ERISA).</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Eligibility</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan provides eligibility to substantially all U.S. employees upon their hire date, provided they are actively employed by a participating employer and being paid by Olin.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Contributions</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The total maximum allowable employee contribution is 80% of eligible pay, subject to relevant annual limitations in the Code.  Plan participants may elect to increase, decrease, suspend or resume compensation deferrals at any time.  New elections are effective as soon as practicable after the request is processed.  Newly hired eligible employees not electing to enroll within approximately 30 days of hire date, are automatically enrolled to contribute 6% of their eligible compensation to the Plan, unless the employee elects to opt out.  The Plan contains an automatic escalation feature whereby contributions for certain eligible participants who are participating in the Plan are automatically increased 1% each year effective April 1, until the contribution rate reaches 15%, unless the employee designates otherwise.  The Plan&#8217;s default investment option is the T. Rowe Price Age Based Retirement Income Fund with a maturity date closest to the participant&#8217;s 65th birthday.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan follows the Code&#8217;s annual total maximum amount of employee contributions that may be made to the Plan, including catch-up contributions.  The amounts of employee contributions are based on eligible compensation and the percentage of such compensation the participant has elected to contribute to the Plan.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan provides for various Olin matching contributions based on various formulas outlined in the Plan, calculated based on the contributions made by the employee.  The Plan also provides certain employees with Olin retirement contributions based on various formulas outlined in the Plan, calculated based on the employee&#8217;s eligible compensation and without respect to contributions elected by the employee.  Both the Olin matching and retirement contributions are invested in the same investment allocation as the employee&#8217;s contributions to the Plan. </span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:115%">Contributions received from participants for the years ended December&#160;31, 2025 and 2024 included excess deferrals, net of related gains and losses, of $405,280 and $344,211, respectively.  These amounts were recorded as a liability with a corresponding reduction to participant contributions and were distributed to applicable participants in April 2026 and 2025, respectively, to comply with the maximum annual contribution limits under the Code.</span></div><div style="margin-bottom:0.06pt;text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Rollovers</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan accepts rollovers of qualified distributions from other eligible retirement plans.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Participant&#8217;s Accounts</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Each participant&#8217;s account is credited with the participant&#8217;s contribution and allocations of Olin&#8217;s contributions and earnings, which have been reduced by administrative expenses.  The benefit to which a participant is entitled is the participant&#8217;s vested account balance.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Participant Investment Account Options</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Participants direct the investment of their contributions into various investment options offered by the Plan.  Participants may also transfer the value of the investments in their account to any one or a combination of investments available in the Plan.  Transfers into the Olin Common Stock Fund are limited to the extent that such transfer would result in more than 20% of the participant&#8217;s account balance invested in the Olin Common Stock Fund.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Vesting</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Substantially all participants in the Plan are immediately 100% vested in the Olin matching contributions.  Additionally, Olin elected to incorporate certain provisions into the Plan, so that the Plan was a &#8220;safe harbor&#8221; plan under Section 401(k) of the Code for substantially all participants (excluding specified employees in a qualified separate line of business); specifically, the first 3% of Olin retirement contributions are immediately 100% vested.  With the exception of the safe harbor retirement contributions, substantially all of the remaining Olin retirement contributions generally vest in accordance with the following schedule:</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:45.277%"><tr><td style="width:1.0%"></td><td style="width:48.286%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:1.026%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:48.288%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">Years of Service</span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Percentage Vested</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Less than 2</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">0%</span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">2</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">50%</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">3</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">100%</span></div></td></tr></table></div><div style="text-align:center"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan provides for immediate vesting resulting from death, total and permanent disability, or attainment of normal retirement age (age 65).</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Forfeited Accounts</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Forfeitures of Olin&#8217;s retirement contributions were used to reduce Olin&#8217;s contributions by $1,518,789 and $1,800,000 for the years ended December&#160;31, 2025 and 2024, respectively.  Forfeitures that were available amounted to $144,082 and $149,017 as of December&#160;31, 2025 and 2024, respectively.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Payment of Benefits</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Upon termination of service for any reason, a participant may elect to receive their entire vested balance in either a lump-sum or in annual installments up to fifteen years, or if the participant&#8217;s life expectancy exceeds fifteen years, the life expectancy of the participant.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">All distributions are paid in cash; however, at the election of the participant, distributions from the Olin Common Stock Fund may be paid in common stock with any fractional interest in a share of common stock paid in cash.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Notes Receivable from Participants</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Notes receivable from participants are measured at their unpaid principal balance, plus any accrued but unpaid interest.  All employees who are participants in the Plan are eligible to borrow from the Plan.  The Plan generally allows for only one loan to be outstanding at a time.  No loan made to any participant shall exceed the lesser of:</span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">(1)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:3.35pt">$50,000 reduced by the excess (if any) of (i) the highest outstanding balance of loans from the Plan during the one-year period ending on the day before the date the loan is made, over (ii) the outstanding balance of loans from the Plan on the date the loan is made, or</span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">(2)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:3.35pt">50% of the participant&#8217;s vested account balance as of the valuation date on or immediately preceding the date of the loan.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The loans are funded from the participant&#8217;s accounts, reducing the account balance by the loan amount, and are reflected as notes receivable from participants in the Plan&#8217;s financial statements.  Terms of new loans may be up to five years.  The interest rate on outstanding loans is the prime rate on the date of loan origination.  Interest rates on outstanding loans ranged from 3.25% to 9.50% and 3.25% to 8.50% as of December&#160;31, 2025 and 2024, respectively.  The interest rates on new loans were 7.00% to 7.50% and 7.75% to 8.50% for the years ended December&#160;31, 2025 and 2024, respectively.  Delinquent notes receivable from participants are classified as benefits paid to participants.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Plan Termination</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Although it has not expressed any intent to do so, Olin has the right under the Plan to terminate the Plan, subject to the provisions of ERISA.  In the event of Plan termination, participants will become 100% vested in their accounts.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Recordkeepers</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Empower Retirement, LLC (Empower) is the recordkeeper for the Plan effective October 1, 2024. Prior to this date, the Plan&#8217;s recordkeeper was Voya Institutional Plan Services, LLC (Voya), as further described in Note 6.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Custodians</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Empower Trust Company, LLC (Empower Trust) is the custodian for the majority of the Plan&#8217;s investments effective October 1, 2024. Prior to this date, Voya Institutional Trust Company (Voya Trust) was the custodian for the majority of the Plan&#8217;s investments as further described in Note 6.  State Street Bank and Trust is the custodian for the Olin Common Stock Fund.</span></div><span></span>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Summary of Significant Accounting Policies<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2025</div></th></tr>
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<td class="text">&#160;<span></span>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock', window );">Summary of Significant Accounting Policies</a></td>
<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">NOTE 2.  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Basis of Presentation</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The accompanying financial statements have been prepared on the accrual basis of accounting, in accordance with accounting principles generally accepted in the United States of America.  Certain reclassifications have been made to the 2024 financial statements to conform to the 2025 financial statement presentation.  These reclassifications had no effect on changes in net assets available for benefits.</span></div><div style="text-align:justify"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and changes therein, and disclosure of contingent assets and liabilities.  Actual results could differ from those estimates.</span></div><div style="text-align:justify"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Investment Valuation and Income Recognition</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan performs fair value measurements in accordance with Financial Accounting Standards Board Accounting Standards Codification 820, Fair Value Measurement (ASC 820). The Plan&#8217;s Investment Committee determines the Plan&#8217;s valuation policies utilizing information provided by investment advisors and custodians.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Purchases and sales of securities are recorded on a trade date basis.  Interest income is recorded on an accrual basis.  Dividends are recorded on the ex-dividend date.  Net appreciation in fair value of investments includes the Plan&#8217;s gains and losses on investments bought and sold as well as held during the year.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Risks and Uncertainties</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan invests in various investment securities, including Olin common stock.  Investment securities are exposed to various risks such as interest rate, market, and credit risks.  Due to the level of risk associated with certain investment securities, it is at least reasonably possible that changes in the values of investment securities will occur in the near term, and that such changes could materially affect participants&#8217; account balances and the amounts reported in the statements of net assets available for benefits.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Users of these financial statements should be aware that the financial markets&#8217; volatility may significantly impact the subsequent valuation of the Plan&#8217;s investments.  Accordingly, the valuation of investments as of December&#160;31, 2025 may not necessarily be indicative of amounts that could be realized in a current market exchange.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Payment of Benefits</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Benefit payments are recorded when paid.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Administrative Expenses</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Except for loan origination fees, the expenses of administering the Plan are payable from the Plan&#8217;s assets, unless the Company elects to pay such expenses.  Olin has elected to have certain expenses of administering the Plan paid by the Company.  No officer or employee receives compensation from the Plan.</span></div><div style="margin-bottom:0.06pt;text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Participant accounts are charged fees to pay for Plan expenses. Those charges are used to pay for the Plan&#8217;s recordkeeping, custodial, auditing, legal, and other miscellaneous administrative fees.</span></div><div style="text-align:justify"><span><br/></span></div><div style="margin-bottom:0.06pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Trust Fund Management</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Empower Trust is the Plan trustee effective October 1, 2024.  Prior to this date, the Voya Trust was the Plan trustee.  Under the terms of the trust agreements with both Empower Trust and Voya Trust, the trustee is responsible for the safekeeping of Plan assets in the trust fund and the maintenance of records relating to receipts and disbursements from the trust fund.  The trustee invests funds in accordance with the terms of the Plan and makes payments from the trust fund as directed by participants and Olin.  </span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Under both the Empower Trust and Voya Trust, trustee fees, investment management fees, commissions, and related Plan administrative expenses are incorporated into the fees associated with the investment funds made available under the Plan.  Investment related fees are included in net appreciation in fair value of investments.  In addition, fees associated with the self-directed brokerage feature are charged directly to the affected participant&#8217;s account.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Employer Contributions Receivable</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Employer contributions from Olin are recorded when the Plan is owed, but has not yet received, employee and/or employer contributions. Employer contributions receivable for the year ended December&#160;31, 2025 included an estimated receivable for an employer contribution correction.</span></div><span></span>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Fair Value Measurements<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2025</div></th></tr>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock', window );">EBP, Investment, Fair Value and NAV</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">NOTE 3.  FAIR VALUE MEASUREMENTS</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">ASC 820 provides the framework for measuring fair value which includes a hierarchy that prioritizes the inputs and valuation techniques used to measure fair value.  The three levels of the fair value hierarchy are described as follows:</span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:18pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Level 1 &#8211; Inputs were unadjusted, quoted prices in active markets for identical assets or liabilities at the measurement date.</span></div><div style="padding-left:18pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Level 2 &#8211; Inputs, other than quoted prices included in Level 1, were either directly or indirectly observable for the asset or liability including quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, or other inputs that are observable or can be corroborated by observable market data, for substantially the full term of the assets or liabilities.</span></div><div style="padding-left:18pt;text-align:justify"><span><br/></span></div><div style="padding-left:18pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Level 3 &#8211; Inputs significant to the valuation model were unobservable and reflected the Plan&#8217;s best estimate of assumptions to measure the assets or liabilities at fair value.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Fair value measurement levels within the fair value hierarchy are based on the lowest level input that is significant to the fair value measurement in its entirety.  Valuation techniques used need to maximize the use of observable inputs and minimize the use of unobservable inputs.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The following is a description of the valuation methodologies used for assets measured at fair value.  There have been no changes in the methodologies used during the years ended December&#160;31, 2025 and 2024: </span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:13.8pt">Mutual Funds: Mutual funds, excluding the Artisan International Value Fund, are valued at quoted market prices.  The Artisan International Value Fund is valued on a per unit basis based on the daily change in the market value of the underlying investments, adjusted for dividends earned on the funds and an annual expense factor.  All mutual funds are deemed to be actively traded.</span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:13.8pt">Common Stocks: Common stocks are valued at the closing price reported on the active market on which the individual securities are traded.</span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:13.8pt">Self-directed Brokerage Investments: The self-directed brokerage investments are primarily comprised of common stocks and mutual funds and are measured at current value based on published market quotations from individual investments comprising the brokerage accounts.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The following table presents investments of the Plan measured at fair value on a recurring basis:</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:31.122%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.355%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.594%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.355%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.983%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.355%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.594%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.355%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.987%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">December 31, 2025</span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">December 31, 2024</span></div></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">Level 1</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">Total</span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">Level 1</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">Total</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Mutual funds</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">165,884,532&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">165,884,532&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">167,466,925&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">167,466,925&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Olin Corporation common stock</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">26,901,921&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">26,901,921&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">42,871,537&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">42,871,537&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Self-directed brokerage investment</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">79,420,336&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">79,420,336&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">67,001,138&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">67,001,138&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 23.5pt;text-align:left;text-indent:-9pt;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Total categorized investments measured at fair value</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">272,206,789&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">272,206,789&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">277,339,600&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">277,339,600&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 14.5pt;text-align:left;text-indent:-13.5pt;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Collective trust funds with fair value measured at net asset value (1)</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:3pt double #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">1,217,681,956&#160;</span></div></td><td style="background-color:#cceeff;border-top:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:3pt double #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">1,067,004,957&#160;</span></div></td><td style="background-color:#cceeff;border-top:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 23.5pt;text-align:left;text-indent:-9pt;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Total investments, at fair value</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">1,489,888,745&#160;</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">1,344,344,557&#160;</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr></table></div><div><span><br/></span></div><div style="padding-left:18pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">(1)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:3.35pt">Investments in collective trust funds are measured at fair value using the net asset value (NAV) per share (or its equivalent) as a practical expedient and have not been categorized in the fair value hierarchy.  The fair value amounts presented in this table are intended to permit reconciliation of the fair value hierarchy to the amounts presented in the statements of net assets available for benefits.</span></div><div style="margin-bottom:0.06pt;text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Generally, the mutual funds have implemented policies to monitor and discourage frequent, short-term trading.  Certain mutual funds apply a redemption fee if investments are not held for a minimum number of days and preclude transfers out of and into the fund within a minimum number of days.  The mutual funds also monitor transaction data reported by Empower Trust in compliance with U.S. Securities and Exchange Commission Rule 22c-2 to identify potential violations of the transfer restrictions and take appropriate action, when necessary.  Additionally, with respect to all investments (excluding the Self-Directed Brokerage Account investments), any money transferred out cannot be transferred back into the original fund for seven calendar days.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The NAV of collective trust funds is based on the fair value of the underlying investments held by the funds less liabilities.  Investments may be redeemed on a daily basis and it is probable that the Plan will sell the investments for the NAV.  There are no participant redemption restrictions and no significant redemption notice periods applicable to the Plan. There are also no unfunded commitments for these investments.  The following table summarizes investments for which fair value is measured using NAV per share practical expedient: </span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:62.788%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.355%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.400%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.355%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.402%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">December 31,</span></div></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2025</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2024</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Galliard Managed Income Fund D</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">77,550,989&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">76,464,939&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">JPMCB Core Plus Bond</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">36,604,152&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">32,749,006&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 10pt;text-align:left;text-indent:-9pt;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Northern Trust All Country World ex-US Investable Market Index</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">52,662,967&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">43,087,822&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Northern Trust Extended Equity Market Index</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">18,147,027&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">16,451,996&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Northern Trust S&amp;P 500 Index</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">260,535,622&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">220,037,383&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">T. Rowe Price Age Based Funds</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">772,181,199&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">678,213,811&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 14.5pt;text-align:left;text-indent:-9pt;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Collective trust funds with fair value measured at NAV</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">1,217,681,956&#160;</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">1,067,004,957&#160;</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for fair value of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, fair value measured at net asset value per share as practical expedient (NAV).</p></div>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Tax Status<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2025</div></th></tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">EBP 032</a></td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems', window );"><strong>EBP, Tax Status [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock', window );">EBP, Tax Status</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">NOTE 4.  TAX STATUS</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Olin received a determination letter dated September 2, 2016 from the Internal Revenue Service stating that the Plan is a qualified plan, and the trust thereunder is exempt from federal income taxes under the Code.  Accordingly, no provision for income taxes has been included in the Plan&#8217;s financial statements.  Although the Plan has been amended since receiving the determination letter, the Plan administrator and the Plan&#8217;s tax counsel believe that the Plan is designed, and is currently being operated, in compliance with the applicable requirements of the Code and, therefore, believe that the Plan is qualified, and the related trust is tax-exempt.  Counsel for Olin advised that an employee will not be subject to federal income taxes on the contributions of Olin, or on dividends, interest or profit from sales of securities received by the trustee and credited to an employee&#8217;s account, until such account or accounts are withdrawn or made available to the employee.  The tax treatment to the participant generally will depend upon the form of withdrawal.  </span></div>Accounting principles generally accepted in the United States of America require Plan management to evaluate tax positions taken by the Plan and recognize a tax liability if the Plan has taken an uncertain position that more likely than not would not be sustained upon examination by a government authority.  The Plan administrator has analyzed the tax position taken by the Plan and has concluded that as of December&#160;31, 2025 and 2024, there are no uncertain positions expected to be taken that would require recognition of a liability or disclosure in the financial statements.  The Plan is subject to routine audits by taxing jurisdictions; however, there are currently no audits for any tax periods in process.<span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (g)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478416/962-205-50-1<br></p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for tax status of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, information concerning whether tax ruling or determination letter was obtained and principal assumption on which plan relied in not making provision for federal income tax.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (g)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478416/962-205-50-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-02(c))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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<TEXT>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Party-in-Interest Transactions - EBP 032<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2025</div></th></tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock', window );">EBP, Related Party and Party-in-Interest Transactions</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">NOTE 5.  PARTY-IN-INTEREST TRANSACTIONS</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Olin Common Stock Fund is an investment option under the Plan, and as such, transactions involving the Olin Common Stock Fund qualify as party-in-interest transactions.  Shares of Olin Corporation common stock held by participants through direct investment were valued as follows:</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:88.194%"><tr><td style="width:1.0%"></td><td style="width:64.569%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.750%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.429%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.752%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">December 31,</span></div></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2025</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2024</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Olin Common Stock Fund</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">26,901,921&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">42,871,537&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Self-directed brokerage investment</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">380,548&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">405,922&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Total Olin common stock held through direct investment</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">27,282,469&#160;</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">43,277,459&#160;</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr></table></div><div style="text-align:center"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Purchases and sales of Olin Common Stock included:</span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:88.194%"><tr><td style="width:1.0%"></td><td style="width:64.569%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.750%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.429%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.752%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Years Ended December 31,</span></div></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2025</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2024</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Purchases:</span></div></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Olin Common Stock Fund</span></div></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">5,736,914&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">5,474,212&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Self-Directed Brokerage Investment</span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">6,232,148&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">621,757&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Total Purchases</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">11,969,062&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">6,095,969&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"><div style="margin-bottom:0.06pt"></div></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Sales:</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Olin Common Stock Fund</span></div></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">5,348,064&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">15,756,568&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Self-Directed Brokerage Investment</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">6,150,723&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">570,862&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Total Sales</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">11,498,787&#160;</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">16,327,430&#160;</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr></table></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Olin Common Stock Fund is managed by State Street Investment Management (State Street).  Effective October 1, 2024, State Street and Empower Trust are custodians of the Plan&#8217;s assets and Empower is the Plan&#8217;s recordkeeper.  Prior to this date, State Street and Voya Trust were custodians of the Plan&#8217;s Assets and Voya was the Plan&#8217;s recordkeeper.  Fees paid to parties-in-interest primarily included recordkeeping and custodial fees and were as follows: </span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:88.194%"><tr><td style="width:1.0%"></td><td style="width:64.569%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.750%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.429%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.752%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Years Ended December 31,</span></div></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2025</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2024</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Empower/Empower Trust</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">769,649&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">4,127&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Voya/Voya Trust</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">&#8212;&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">467,921&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">State Street</span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">60,000&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">74,383&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr></table></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock', window );">Description of the Plan</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">NOTE 1.  DESCRIPTION OF THE PLAN</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Olin Corporation (Olin) Retirement Savings Plan (the Plan) was amended and restated effective January 1, 2024 in order to include all prior amendments made to the Plan and incorporate certain legally required amendments. Additionally, effective October 1, 2024, the Plan&#8217;s name was changed from the Contributing Employee Ownership Plan (CEOP) and to reflect operational practices and changes made in connection with Olin&#8217;s engagement of a new recordkeeper and custodian.  The following description of the Plan provides only general information.  Participants should refer to the Plan document for a more complete description of the Plan&#8217;s provisions.  </span></div><div style="text-align:justify"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">General</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan is a defined contribution plan originally established in 1964 that has since been amended and restated and for which Olin is the current sponsor.  The Plan was established for the purpose of providing retirement benefits for the United States (U.S.) employees of Olin and its subsidiaries.  The Plan contains a cash or deferred component which was intended to qualify under Sections 401(a) and 401(k) of the Internal Revenue Code of 1986, as amended (the Code) and an employee stock ownership plan (ESOP) component intended to qualify as a stock bonus plan under Sections 401(a) and 4975(e)(7) of the Code.  The ESOP consists of the Olin Common Stock Fund.  The Plan is subject to the applicable provisions of the Employee Retirement Income Security Act of 1974, as amended (ERISA).</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Eligibility</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan provides eligibility to substantially all U.S. employees upon their hire date, provided they are actively employed by a participating employer and being paid by Olin.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Contributions</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The total maximum allowable employee contribution is 80% of eligible pay, subject to relevant annual limitations in the Code.  Plan participants may elect to increase, decrease, suspend or resume compensation deferrals at any time.  New elections are effective as soon as practicable after the request is processed.  Newly hired eligible employees not electing to enroll within approximately 30 days of hire date, are automatically enrolled to contribute 6% of their eligible compensation to the Plan, unless the employee elects to opt out.  The Plan contains an automatic escalation feature whereby contributions for certain eligible participants who are participating in the Plan are automatically increased 1% each year effective April 1, until the contribution rate reaches 15%, unless the employee designates otherwise.  The Plan&#8217;s default investment option is the T. Rowe Price Age Based Retirement Income Fund with a maturity date closest to the participant&#8217;s 65th birthday.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan follows the Code&#8217;s annual total maximum amount of employee contributions that may be made to the Plan, including catch-up contributions.  The amounts of employee contributions are based on eligible compensation and the percentage of such compensation the participant has elected to contribute to the Plan.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan provides for various Olin matching contributions based on various formulas outlined in the Plan, calculated based on the contributions made by the employee.  The Plan also provides certain employees with Olin retirement contributions based on various formulas outlined in the Plan, calculated based on the employee&#8217;s eligible compensation and without respect to contributions elected by the employee.  Both the Olin matching and retirement contributions are invested in the same investment allocation as the employee&#8217;s contributions to the Plan. </span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:115%">Contributions received from participants for the years ended December&#160;31, 2025 and 2024 included excess deferrals, net of related gains and losses, of $405,280 and $344,211, respectively.  These amounts were recorded as a liability with a corresponding reduction to participant contributions and were distributed to applicable participants in April 2026 and 2025, respectively, to comply with the maximum annual contribution limits under the Code.</span></div><div style="margin-bottom:0.06pt;text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Rollovers</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan accepts rollovers of qualified distributions from other eligible retirement plans.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Participant&#8217;s Accounts</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Each participant&#8217;s account is credited with the participant&#8217;s contribution and allocations of Olin&#8217;s contributions and earnings, which have been reduced by administrative expenses.  The benefit to which a participant is entitled is the participant&#8217;s vested account balance.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Participant Investment Account Options</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Participants direct the investment of their contributions into various investment options offered by the Plan.  Participants may also transfer the value of the investments in their account to any one or a combination of investments available in the Plan.  Transfers into the Olin Common Stock Fund are limited to the extent that such transfer would result in more than 20% of the participant&#8217;s account balance invested in the Olin Common Stock Fund.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Vesting</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Substantially all participants in the Plan are immediately 100% vested in the Olin matching contributions.  Additionally, Olin elected to incorporate certain provisions into the Plan, so that the Plan was a &#8220;safe harbor&#8221; plan under Section 401(k) of the Code for substantially all participants (excluding specified employees in a qualified separate line of business); specifically, the first 3% of Olin retirement contributions are immediately 100% vested.  With the exception of the safe harbor retirement contributions, substantially all of the remaining Olin retirement contributions generally vest in accordance with the following schedule:</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:45.277%"><tr><td style="width:1.0%"></td><td style="width:48.286%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:1.026%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:48.288%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">Years of Service</span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Percentage Vested</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Less than 2</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">0%</span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">2</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">50%</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">3</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">100%</span></div></td></tr></table></div><div style="text-align:center"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan provides for immediate vesting resulting from death, total and permanent disability, or attainment of normal retirement age (age 65).</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Forfeited Accounts</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Forfeitures of Olin&#8217;s retirement contributions were used to reduce Olin&#8217;s contributions by $1,518,789 and $1,800,000 for the years ended December&#160;31, 2025 and 2024, respectively.  Forfeitures that were available amounted to $144,082 and $149,017 as of December&#160;31, 2025 and 2024, respectively.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Payment of Benefits</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Upon termination of service for any reason, a participant may elect to receive their entire vested balance in either a lump-sum or in annual installments up to fifteen years, or if the participant&#8217;s life expectancy exceeds fifteen years, the life expectancy of the participant.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">All distributions are paid in cash; however, at the election of the participant, distributions from the Olin Common Stock Fund may be paid in common stock with any fractional interest in a share of common stock paid in cash.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Notes Receivable from Participants</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Notes receivable from participants are measured at their unpaid principal balance, plus any accrued but unpaid interest.  All employees who are participants in the Plan are eligible to borrow from the Plan.  The Plan generally allows for only one loan to be outstanding at a time.  No loan made to any participant shall exceed the lesser of:</span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">(1)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:3.35pt">$50,000 reduced by the excess (if any) of (i) the highest outstanding balance of loans from the Plan during the one-year period ending on the day before the date the loan is made, over (ii) the outstanding balance of loans from the Plan on the date the loan is made, or</span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">(2)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:3.35pt">50% of the participant&#8217;s vested account balance as of the valuation date on or immediately preceding the date of the loan.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The loans are funded from the participant&#8217;s accounts, reducing the account balance by the loan amount, and are reflected as notes receivable from participants in the Plan&#8217;s financial statements.  Terms of new loans may be up to five years.  The interest rate on outstanding loans is the prime rate on the date of loan origination.  Interest rates on outstanding loans ranged from 3.25% to 9.50% and 3.25% to 8.50% as of December&#160;31, 2025 and 2024, respectively.  The interest rates on new loans were 7.00% to 7.50% and 7.75% to 8.50% for the years ended December&#160;31, 2025 and 2024, respectively.  Delinquent notes receivable from participants are classified as benefits paid to participants.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Plan Termination</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Although it has not expressed any intent to do so, Olin has the right under the Plan to terminate the Plan, subject to the provisions of ERISA.  In the event of Plan termination, participants will become 100% vested in their accounts.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Recordkeepers</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Empower Retirement, LLC (Empower) is the recordkeeper for the Plan effective October 1, 2024. Prior to this date, the Plan&#8217;s recordkeeper was Voya Institutional Plan Services, LLC (Voya), as further described in Note 6.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Custodians</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Empower Trust Company, LLC (Empower Trust) is the custodian for the majority of the Plan&#8217;s investments effective October 1, 2024. Prior to this date, Voya Institutional Trust Company (Voya Trust) was the custodian for the majority of the Plan&#8217;s investments as further described in Note 6.  State Street Bank and Trust is the custodian for the Olin Common Stock Fund.</span></div><span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for description of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, vesting and allocation provisions and disposition of forfeiture.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 250<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 5<br> -Subparagraph (SAB Topic 11.M.Q2)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480530/250-10-S99-5<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 250<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 6<br> -Subparagraph (SAB Topic 11.M)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480530/250-10-S99-6<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478416/962-205-50-1<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 275<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482861/275-10-50-1<br></p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for related party and party-in-interest transactions with employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Change in Recordkeeper and Custodian<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2025</div></th></tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">EBP 032</a></td>
<td class="text">&#160;<span></span>
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<tr class="ro">
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<td class="text">&#160;<span></span>
</td>
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<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_ChangeInRecordkeeperAndCustodianTextBlock', window );">Change in Recordkeeper and Custodian</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">NOTE 6. CHANGE IN RECORDKEEPER AND CUSTODIAN</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Effective October 1, 2024, Empower and Empower Trust were appointed as recordkeeper and custodian of the Plan, respectively, replacing Voya and Voya Trust.  The Plan assets transferred to </span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Empower Trust were transferred into funds identical or comparable to those offered by Voya Trust.  The conversion initiated a blackout period beginning September 26, 2024 which continued through October 18, 2024.  During this period, funds could not be applied to the employee-selected funds with Empower Trust or withdrawn from the Plan until Empower Trust had time to accurately complete the conversion from Voya Trust.  During this period, employee contributions continued to be made through payroll deductions and the contributions were deposited and held in the participant accounts.  At the end of the blackout period, these funds were transferred to Empower Trust and invested in funds as requested by each participant.  In addition, the Plan was amended to provide three additional investment funds in which participant contributions to the Plan may be invested.</span></div><span></span>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Schedule H, Line 4i - Schedule of Assets (Held at End of Year)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2025</div></th></tr>
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<td class="text"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Olin Corporation Retirement Savings Plan</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">EIN 13-1872319, Plan No. 032</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Schedule H, Line 4i &#8212; Schedule of Assets (Held at End of Year)</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">December&#160;31, 2025</span></div><div style="text-align:center"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.861%"><tr><td style="width:1.0%"></td><td style="width:2.655%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.356%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:42.154%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.356%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.702%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.356%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.702%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.356%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.063%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:133%">(a)</span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-top:4pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">(b) Identity of issue, borrower, lessor, or similar party</span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-top:4pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">(c) Description of investment including maturity date, rate of interest, collateral, par, or maturity value</span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-top:4pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">(e) Current value</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Olin Common Stock Fund:</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">*</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Olin Corporation common stock</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">1,291,304&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">shares</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">26,901,921&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Collective trusts:</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Galliard Managed Income Fund D</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">2,815,244&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">77,550,989&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">JPMCB Core Plus Bond</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">2,971,116&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">36,604,152&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 17.5pt;text-align:left;text-indent:-9pt;vertical-align:middle"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Northern Trust All Country World ex-US Investable Market Index</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">264,784&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">52,662,967&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 17.5pt;text-align:left;text-indent:-9pt;vertical-align:middle"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Northern Trust Extended Equity Market Index</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">81,898&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">18,147,027&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 17.5pt;text-align:left;text-indent:-9pt;vertical-align:middle"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Northern Trust S&amp;P 500 Index</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">819,939&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">260,535,622&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2010 Trust</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">1,122,408&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">27,992,855&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2015 Trust</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">427,989&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">11,701,209&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2020 Trust</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">1,314,921&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">39,250,402&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2025 Trust</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">2,300,957&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">75,379,335&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2030 Trust</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">3,309,588&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">119,740,898&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2035 Trust</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">3,137,024&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">124,477,146&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2040 Trust</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">2,394,682&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">101,965,561&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2045 Trust</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">2,015,000&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">89,304,800&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2050 Trust</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">1,783,540&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">79,617,215&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2055 Trust</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">2,167,828&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">96,859,899&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2060 Trust</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">155,584&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">4,462,146&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2065 Trust</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">48,137&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">864,541&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2070 Trust</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">51,569&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">565,192&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Mutual funds:</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Artisan International Value Fund</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">708,660&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">38,111,739&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Baird Aggregate Bond Fund</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">4,781,873&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">shares</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">47,531,821&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Capital Group American New Perspective Fund</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">397,813&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">shares</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">28,113,455&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Eaton Vance Atlanta Capital Small/Mid Cap Fund</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">1,139,336&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">shares</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">42,485,848&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">PIMCO All Asset Fund</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">844,279&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">shares</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">9,641,669&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">**</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Charles Schwab &amp; Co., Inc.</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Self-directed brokerage investment</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">79,420,336&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Total investments, at fair value</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">1,489,888,745&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">*</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 10pt;text-align:left;text-indent:-9pt;vertical-align:middle"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Notes receivable from participants</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3.25% - 9.50%, maturing through 2042</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:3pt double #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:3pt double #000;padding:2px 0;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">18,837,344&#160;</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="27" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">* Party-in-interest to the Plan.</span></div></td></tr><tr><td colspan="27" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">** The self-directed brokerage investment allows for direct investment in Olin Corporation, a party-in-interest to the Plan, common stock which included 18,269 shares with a value of $380,548.</span></div></td></tr><tr><td colspan="27" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Column (d), cost, has been omitted as all investments are participant directed.</span></div></td></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Employee benefit plan, schedule of assets held.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (1)(i)(D)<br> -Publisher DOL-EBSA<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule I))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (1)(i)(A)<br> -Publisher DOL-EBSA<br><br>Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (1)(i)(C)<br> -Publisher DOL-EBSA<br><br>Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (1)(i)(B)<br> -Publisher DOL-EBSA<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Summary of Significant Accounting Policies (Policies) - EBP 032<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2025</div></th></tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems', window );"><strong>EBP, Accounting Policy [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock', window );">Basis of Presentation</a></td>
<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Basis of Presentation</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The accompanying financial statements have been prepared on the accrual basis of accounting, in accordance with accounting principles generally accepted in the United States of America.  Certain reclassifications have been made to the 2024 financial statements to conform to the 2025 financial statement presentation.  These reclassifications had no effect on changes in net assets available for benefits.</span></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock', window );">Use of Estimates</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and changes therein, and disclosure of contingent assets and liabilities.  Actual results could differ from those estimates.</span></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock', window );">Investment Valuation and Income Recognition</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Investment Valuation and Income Recognition</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan performs fair value measurements in accordance with Financial Accounting Standards Board Accounting Standards Codification 820, Fair Value Measurement (ASC 820). The Plan&#8217;s Investment Committee determines the Plan&#8217;s valuation policies utilizing information provided by investment advisors and custodians.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Purchases and sales of securities are recorded on a trade date basis.  Interest income is recorded on an accrual basis.  Dividends are recorded on the ex-dividend date.  Net appreciation in fair value of investments includes the Plan&#8217;s gains and losses on investments bought and sold as well as held during the year.</span></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EbpRiskAndUncertaintyPolicyTextBlock', window );">Risks and Uncertainties</a></td>
<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Risks and Uncertainties</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The Plan invests in various investment securities, including Olin common stock.  Investment securities are exposed to various risks such as interest rate, market, and credit risks.  Due to the level of risk associated with certain investment securities, it is at least reasonably possible that changes in the values of investment securities will occur in the near term, and that such changes could materially affect participants&#8217; account balances and the amounts reported in the statements of net assets available for benefits.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Users of these financial statements should be aware that the financial markets&#8217; volatility may significantly impact the subsequent valuation of the Plan&#8217;s investments.  Accordingly, the valuation of investments as of December&#160;31, 2025 may not necessarily be indicative of amounts that could be realized in a current market exchange.</span></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock', window );">Benefit Payments</a></td>
<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Payment of Benefits</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Benefit payments are recorded when paid.</span></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanExpensePolicyTextBlock', window );">Administrative Expenses</a></td>
<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Administrative Expenses</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Except for loan origination fees, the expenses of administering the Plan are payable from the Plan&#8217;s assets, unless the Company elects to pay such expenses.  Olin has elected to have certain expenses of administering the Plan paid by the Company.  No officer or employee receives compensation from the Plan.</span></div><div style="margin-bottom:0.06pt;text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Participant accounts are charged fees to pay for Plan expenses. Those charges are used to pay for the Plan&#8217;s recordkeeping, custodial, auditing, legal, and other miscellaneous administrative fees.</span></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_TrustFundManagementPolicyTextBlock', window );">Trust Fund Management</a></td>
<td class="text"><div style="margin-bottom:0.06pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Trust Fund Management</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Empower Trust is the Plan trustee effective October 1, 2024.  Prior to this date, the Voya Trust was the Plan trustee.  Under the terms of the trust agreements with both Empower Trust and Voya Trust, the trustee is responsible for the safekeeping of Plan assets in the trust fund and the maintenance of records relating to receipts and disbursements from the trust fund.  The trustee invests funds in accordance with the terms of the Plan and makes payments from the trust fund as directed by participants and Olin.  </span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Under both the Empower Trust and Voya Trust, trustee fees, investment management fees, commissions, and related Plan administrative expenses are incorporated into the fees associated with the investment funds made available under the Plan.  Investment related fees are included in net appreciation in fair value of investments.  In addition, fees associated with the self-directed brokerage feature are charged directly to the affected participant&#8217;s account.</span></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_EmployerContributionsReceivablePolicyTextBlock', window );">Employer Contributions Receivable</a></td>
<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Employer Contributions Receivable</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Employer contributions from Olin are recorded when the Plan is owed, but has not yet received, employee and/or employer contributions. Employer contributions receivable for the year ended December&#160;31, 2025 included an estimated receivable for an employer contribution correction.</span></div><span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for contributions receivable from the employer in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for the relevant Trust in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for risk and uncertainty of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, concentration risk.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 825<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 21<br> -Subparagraph (c)(1)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482907/825-10-50-21<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 825<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 21<br> -Subparagraph (d)(1)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482907/825-10-50-21<br></p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-02)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 235<br> -Name Accounting Standards Codification<br> -Section S50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479143/962-235-S50-1<br></p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for basis of accounting used to prepare financial statements of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-02)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 235<br> -Name Accounting Standards Codification<br> -Section S50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479143/962-235-S50-1<br></p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for expense incurred by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br></p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477783/962-325-50-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2A<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477783/962-325-50-2A<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 35<br> -Paragraph 1B<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478844/962-325-35-1B<br></p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for payment of benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br></p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for use of estimate in preparation of financial statement of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 275<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482861/275-10-50-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 275<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482861/275-10-50-1<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 275<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482861/275-10-50-4<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 275<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482861/275-10-50-11<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 275<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482861/275-10-50-11<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 275<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 12<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482861/275-10-50-12<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Description of the Plan (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2025</div></th></tr>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_RetirementContributionVestingScheduleExcludingSafeHarborTableTextBlock', window );">Retirement Contribution Vesting Schedule Excluding Safe Harbor</a></td>
<td class="text">With the exception of the safe harbor retirement contributions, substantially all of the remaining Olin retirement contributions generally vest in accordance with the following schedule:<div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:45.277%"><tr><td style="width:1.0%"></td><td style="width:48.286%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:1.026%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:48.288%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">Years of Service</span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Percentage Vested</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Less than 2</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">0%</span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">2</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">50%</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">3</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">100%</span></div></td></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Retirement Contribution Vesting Schedule Excluding Safe Harbor</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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</div></td></tr>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478416/962-205-50-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems</td>
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<td>us-gaap-ebp_</td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=oln_EBP032Member</td>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Fair Value Measurements (Tables) - EBP 032<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2025</div></th></tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems', window );"><strong>EBP, Investment, Fair Value and NAV [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock', window );">Investments Fair Value Hierarchy</a></td>
<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The following table presents investments of the Plan measured at fair value on a recurring basis:</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:31.122%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.355%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.594%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.355%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.983%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.355%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.594%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.355%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.987%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">December 31, 2025</span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">December 31, 2024</span></div></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">Level 1</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">Total</span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">Level 1</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">Total</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Mutual funds</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">165,884,532&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">165,884,532&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">167,466,925&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">167,466,925&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Olin Corporation common stock</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">26,901,921&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">26,901,921&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">42,871,537&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">42,871,537&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Self-directed brokerage investment</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">79,420,336&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">79,420,336&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">67,001,138&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">67,001,138&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 23.5pt;text-align:left;text-indent:-9pt;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Total categorized investments measured at fair value</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">272,206,789&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">272,206,789&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">277,339,600&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">277,339,600&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 14.5pt;text-align:left;text-indent:-13.5pt;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Collective trust funds with fair value measured at net asset value (1)</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:3pt double #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">1,217,681,956&#160;</span></div></td><td style="background-color:#cceeff;border-top:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:3pt double #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">1,067,004,957&#160;</span></div></td><td style="background-color:#cceeff;border-top:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 23.5pt;text-align:left;text-indent:-9pt;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Total investments, at fair value</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">1,489,888,745&#160;</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">1,344,344,557&#160;</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr></table></div><div><span><br/></span></div><div style="padding-left:18pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">(1)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:3.35pt">Investments in collective trust funds are measured at fair value using the net asset value (NAV) per share (or its equivalent) as a practical expedient and have not been categorized in the fair value hierarchy.  The fair value amounts presented in this table are intended to permit reconciliation of the fair value hierarchy to the amounts presented in the statements of net assets available for benefits.</span></div><span></span>
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<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_InvestmentsMeasuredAtNetAssetValueTableTextBlock', window );">Investments Measured at Net Asset Value</a></td>
<td class="text">The following table summarizes investments for which fair value is measured using NAV per share practical expedient: <div style="text-align:justify"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:62.788%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.355%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.400%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.355%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.402%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">December 31,</span></div></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2025</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2024</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Galliard Managed Income Fund D</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">77,550,989&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">76,464,939&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">JPMCB Core Plus Bond</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">36,604,152&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">32,749,006&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 10pt;text-align:left;text-indent:-9pt;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Northern Trust All Country World ex-US Investable Market Index</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">52,662,967&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">43,087,822&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Northern Trust Extended Equity Market Index</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">18,147,027&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">16,451,996&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Northern Trust S&amp;P 500 Index</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">260,535,622&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">220,037,383&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">T. Rowe Price Age Based Funds</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">772,181,199&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">678,213,811&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 14.5pt;text-align:left;text-indent:-9pt;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Collective trust funds with fair value measured at NAV</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">1,217,681,956&#160;</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">1,067,004,957&#160;</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Disclosure table summarizing investments measured using net asset value (NAV) per share as a practical expedient.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 5<br> -Subparagraph (f)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477509/962-325-45-5<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> 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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of fair value of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, fair value measured at net asset value per share as practical expedient (NAV).</p></div>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Party-in-Interest Transactions (Tables) - EBP 032<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2025</div></th></tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_RelatedPartyAndPartyInInterestBalanceTabularDisclosureTableTextBlock', window );">Related Party and Party-in-Interest Balances</a></td>
<td class="text">Shares of Olin Corporation common stock held by participants through direct investment were valued as follows:<div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:88.194%"><tr><td style="width:1.0%"></td><td style="width:64.569%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.750%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.429%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.752%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">December 31,</span></div></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2025</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2024</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Olin Common Stock Fund</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">26,901,921&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">42,871,537&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Self-directed brokerage investment</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">380,548&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">405,922&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Total Olin common stock held through direct investment</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">27,282,469&#160;</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">43,277,459&#160;</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr></table></div><span></span>
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<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTableTextBlock', window );">Related Party and Party-in-Interest Transactions</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Purchases and sales of Olin Common Stock included:</span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:88.194%"><tr><td style="width:1.0%"></td><td style="width:64.569%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.750%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.429%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.752%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Years Ended December 31,</span></div></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2025</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2024</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Purchases:</span></div></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Olin Common Stock Fund</span></div></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">5,736,914&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">5,474,212&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Self-Directed Brokerage Investment</span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">6,232,148&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">621,757&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Total Purchases</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">11,969,062&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">6,095,969&#160;</span></div></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"><div style="margin-bottom:0.06pt"></div></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Sales:</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Olin Common Stock Fund</span></div></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">5,348,064&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">15,756,568&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Self-Directed Brokerage Investment</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">6,150,723&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">570,862&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%">Total Sales</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">11,498,787&#160;</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">16,327,430&#160;</span></div></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr></table></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_FeesPaidToPartiesInInterestTableTextBlock', window );">Fees Paid to Parties-in-Interest</a></td>
<td class="text">Fees paid to parties-in-interest primarily included recordkeeping and custodial fees and were as follows: <div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:88.194%"><tr><td style="width:1.0%"></td><td style="width:64.569%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.750%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.429%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.752%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Years Ended December 31,</span></div></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2025</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%">2024</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Empower/Empower Trust</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">769,649&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">4,127&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">Voya/Voya Trust</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">&#8212;&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">467,921&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">State Street</span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">60,000&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%">74,383&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of fees paid to Parties-in-Interest.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of related party and party-in-interest balances with employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-02)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 235<br> -Name Accounting Standards Codification<br> -Section S50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479143/962-235-S50-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 850<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483326/850-10-50-1<br></p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of related party and party-in-interest transactions with employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-02)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 235<br> -Name Accounting Standards Codification<br> -Section S50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479143/962-235-S50-1<br></p></div>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Schedule H, Line 4i - Schedule of Assets (Held at End of Year) (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2025</div></th></tr>
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<td class="text"><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.861%"><tr><td style="width:1.0%"></td><td style="width:2.655%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.356%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:42.154%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.356%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.702%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.356%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.702%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.356%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.063%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:133%">(a)</span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-top:4pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">(b) Identity of issue, borrower, lessor, or similar party</span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-top:4pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">(c) Description of investment including maturity date, rate of interest, collateral, par, or maturity value</span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-top:4pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">(e) Current value</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Olin Common Stock Fund:</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">*</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Olin Corporation common stock</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">1,291,304&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">shares</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">26,901,921&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Collective trusts:</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Galliard Managed Income Fund D</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">2,815,244&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">77,550,989&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">JPMCB Core Plus Bond</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">2,971,116&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">36,604,152&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 17.5pt;text-align:left;text-indent:-9pt;vertical-align:middle"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Northern Trust All Country World ex-US Investable Market Index</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">264,784&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">52,662,967&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 17.5pt;text-align:left;text-indent:-9pt;vertical-align:middle"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Northern Trust Extended Equity Market Index</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">81,898&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">18,147,027&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 17.5pt;text-align:left;text-indent:-9pt;vertical-align:middle"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Northern Trust S&amp;P 500 Index</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">819,939&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">260,535,622&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2010 Trust</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">1,122,408&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">27,992,855&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2015 Trust</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">427,989&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">11,701,209&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2020 Trust</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">1,314,921&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">39,250,402&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2025 Trust</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">2,300,957&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">75,379,335&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2030 Trust</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">3,309,588&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">119,740,898&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2035 Trust</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">3,137,024&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">124,477,146&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2040 Trust</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">2,394,682&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">101,965,561&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2045 Trust</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">2,015,000&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">89,304,800&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2050 Trust</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">1,783,540&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">79,617,215&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2055 Trust</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">2,167,828&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">96,859,899&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2060 Trust</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">155,584&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">4,462,146&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2065 Trust</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">48,137&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">864,541&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">T. Rowe Price Retirement 2070 Trust</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">51,569&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">565,192&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Mutual funds:</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Artisan International Value Fund</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">708,660&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">units</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">38,111,739&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Baird Aggregate Bond Fund</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">4,781,873&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">shares</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">47,531,821&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Capital Group American New Perspective Fund</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">397,813&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">shares</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">28,113,455&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Eaton Vance Atlanta Capital Small/Mid Cap Fund</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">1,139,336&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">shares</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">42,485,848&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">PIMCO All Asset Fund</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">844,279&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">shares</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">9,641,669&#160;</span></div></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">**</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Charles Schwab &amp; Co., Inc.</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Self-directed brokerage investment</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">79,420,336&#160;</span></div></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Total investments, at fair value</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">1,489,888,745&#160;</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">*</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 10pt;text-align:left;text-indent:-9pt;vertical-align:middle"><div style="margin-bottom:0.06pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">Notes receivable from participants</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3.25% - 9.50%, maturing through 2042</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:3pt double #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">$</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:3pt double #000;padding:2px 0;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">18,837,344&#160;</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"><div style="margin-bottom:0.06pt;text-align:right"></div></td></tr><tr><td colspan="27" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">* Party-in-interest to the Plan.</span></div></td></tr><tr><td colspan="27" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:0.06pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%">** The self-directed brokerage investment allows for direct investment in Olin Corporation, a party-in-interest to the Plan, common stock which included 18,269 shares with a value of $380,548.</span></div></td></tr><tr><td colspan="27" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Column (d), cost, has been omitted as all investments are participant directed.</span></div></td></tr></table></div><span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (1)(i)(D)<br> -Publisher DOL-EBSA<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule I))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (1)(i)(A)<br> -Publisher DOL-EBSA<br><br>Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (1)(i)(C)<br> -Publisher DOL-EBSA<br><br>Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (1)(i)(B)<br> -Publisher DOL-EBSA<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for schedule of asset held for investment for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule I))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (1)(i)<br> -Publisher DOL-EBSA<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=oln_EBP032Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=oln_EBP032Member</td>
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<title></title>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Description of the Plan (Details) - EBP 032<br></strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th">
<div>Dec. 31, 2025 </div>
<div>USD ($) </div>
<div>yr </div>
<div>Rate</div>
</th>
<th class="th">
<div>Dec. 31, 2024 </div>
<div>USD ($) </div>
<div>Rate</div>
</th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems', window );"><strong>EBP, Description of Plan [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage', window );">EBP, Participant Contribution, Pretax, Maximum Annual Compensation to Total Compensation, Percentage</a></td>
<td class="nump">80.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate', window );">EBP, Participant Contribution, Automatic, Deferral Rate</a></td>
<td class="nump">6.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_AutomaticEscalationPercentage', window );">Automatic Escalation Percentage</a></td>
<td class="nump">100.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_AutomaticEscalationPercentageMaximum', window );">Automatic Escalation Percentage Maximum</a></td>
<td class="nump">1500.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_OlinCommonStockFundMaximumAllocationPercentage', window );">Olin Common Stock Fund Maximum Allocation Percentage</a></td>
<td class="nump">2000.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_MatchingContributionImmediateVestingPercentage', window );">Matching Contribution Immediate Vesting Percentage</a></td>
<td class="nump">10000.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_RetirementContributionPercentageImmediatelyVested', window );">Retirement Contribution Percentage Immediately Vested</a></td>
<td class="nump">300.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution', window );">EBP, Forfeited Nonvested Account, Decrease from Employer Contribution | $</a></td>
<td class="nump">$ 1,518,789<span></span>
</td>
<td class="nump">$ 1,800,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccount', window );">EBP, Forfeited Nonvested Account | $</a></td>
<td class="nump">144,082<span></span>
</td>
<td class="nump">$ 149,017<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount', window );">EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount | $</a></td>
<td class="nump">$ 50,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage', window );">EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage</a></td>
<td class="nump">50.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_MaximumLoanTermYears', window );">Maximum Loan Term, Years | yr</a></td>
<td class="nump">5<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_OutstandingLoanRateMinimum', window );">Outstanding Loan Rate, Minimum</a></td>
<td class="nump">3.25%<span></span>
</td>
<td class="nump">3.25%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_OutstandingLoanRateMaximum', window );">Outstanding Loan Rate, Maximum</a></td>
<td class="nump">9.50%<span></span>
</td>
<td class="nump">8.50%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_NewLoanRateMinimum', window );">New Loan Rate, Minimum</a></td>
<td class="nump">7.00%<span></span>
</td>
<td class="nump">7.75%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_NewLoanRateMaximum', window );">New Loan Rate, Maximum</a></td>
<td class="nump">7.50%<span></span>
</td>
<td class="nump">8.50%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock', window );">EBP, Plan Termination [Text Block]</a></td>
<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Plan Termination</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Although it has not expressed any intent to do so, Olin has the right under the Plan to terminate the Plan, subject to the provisions of ERISA.  In the event of Plan termination, participants will become 100% vested in their accounts.</span></div><span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_RetirementSavingsPlanVestingAxis=oln_LessThan2YearsOfServiceMember', window );">Less than 2 years of service [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems', window );"><strong>EBP, Description of Plan [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_RetirementContributionVestingPercentage', window );">Retirement Contribution Vesting Percentage</a></td>
<td class="nump">0.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_RetirementSavingsPlanVestingAxis=oln_A2YearsOfServiceMember', window );">2 years of service [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems', window );"><strong>EBP, Description of Plan [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_RetirementContributionVestingPercentage', window );">Retirement Contribution Vesting Percentage</a></td>
<td class="nump">5000.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_RetirementSavingsPlanVestingAxis=oln_A3YearsOfServiceOrMoreMember', window );">3 years of service or more [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems', window );"><strong>EBP, Description of Plan [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_RetirementContributionVestingPercentage', window );">Retirement Contribution Vesting Percentage</a></td>
<td class="nump">10000.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_oln_AutomaticEscalationPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Automatic Escalation Percentage</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">oln_AutomaticEscalationPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>oln_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_oln_AutomaticEscalationPercentageMaximum">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Automatic Escalation Percentage Maximum</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">oln_AutomaticEscalationPercentageMaximum</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>oln_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_oln_MatchingContributionImmediateVestingPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Matching Contribution Immediate Vesting Percentage</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">oln_MatchingContributionImmediateVestingPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>oln_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_oln_MaximumLoanTermYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Maximum Loan Term, Years</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">oln_MaximumLoanTermYears</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>oln_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:integerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_oln_NewLoanRateMaximum">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>New Loan Rate, Maximum</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">oln_NewLoanRateMaximum</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>oln_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_oln_NewLoanRateMinimum">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>New Loan Rate, Minimum</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">oln_NewLoanRateMinimum</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>oln_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_oln_OlinCommonStockFundMaximumAllocationPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Olin Common Stock Fund Maximum Allocation Percentage</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">oln_OlinCommonStockFundMaximumAllocationPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>oln_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_oln_OutstandingLoanRateMaximum">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Outstanding Loan Rate, Maximum</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">oln_OutstandingLoanRateMaximum</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>oln_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_oln_OutstandingLoanRateMinimum">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Outstanding Loan Rate, Minimum</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">oln_OutstandingLoanRateMinimum</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>oln_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_oln_RetirementContributionPercentageImmediatelyVested">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Retirement Contribution Percentage Immediately Vested</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">oln_RetirementContributionPercentageImmediatelyVested</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>oln_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_oln_RetirementContributionVestingPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Retirement Contribution Vesting Percentage</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">oln_RetirementContributionVestingPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>oln_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478416/962-205-50-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of plan asset, in forfeited nonvested account, no longer allocated to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (j)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478416/962-205-50-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of decrease in forfeited nonvested account of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) from employer contribution.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (j)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478416/962-205-50-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-04(5)(c))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Percentage of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow to total participant account balance.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
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<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Percentage of eligible compensation contributed for participant automatically enrolled in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
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<td><strong> Data Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Percentage of maximum pretax annual compensation that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), is permitted to contribute to total pretax annual compensation.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for terminating employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, plan under which participant no longer accrues benefit but remains in existence to pay already accrued benefit.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479684/962-40-50-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td style="white-space:nowrap;">oln_RetirementSavingsPlanVestingAxis=oln_LessThan2YearsOfServiceMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">oln_RetirementSavingsPlanVestingAxis=oln_A2YearsOfServiceMember</td>
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<td style="white-space:nowrap;">oln_RetirementSavingsPlanVestingAxis=oln_A3YearsOfServiceOrMoreMember</td>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Fair Value Measurements (Details) - EBP 032 - USD ($)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2025</div></th>
<th class="th"><div>Dec. 31, 2024</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems', window );"><strong>EBP, Investment, Fair Value and NAV [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue', window );">Investments, at fair value</a></td>
<td class="nump">$ 1,489,888,745<span></span>
</td>
<td class="nump">$ 1,344,344,557<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EbpFairValueInvestmentNavUnfundedCommitment', window );">EBP, Fair Value, Investment, NAV, Unfunded Commitment</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EbpFairValueInvestmentNavRedemptionDescription', window );">EBP, Fair Value, Investment, NAV, Redemption, Description</a></td>
<td class="text">Investments may be redeemed on a daily basis and it is probable that the Plan will sell the investments for the NAV.<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_FairValueInvestmentNAVRedemptionNoticePeriodApplicable', window );">Fair Value Investment NAV Redemption Notice Period Applicable</a></td>
<td class="text">no<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Galliard Managed Income Fund D</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems', window );"><strong>EBP, Investment, Fair Value and NAV [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue', window );">Investments, at fair value</a></td>
<td class="nump">$ 77,550,989<span></span>
</td>
<td class="nump">76,464,939<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: JPMCB Core Plus Bond</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems', window );"><strong>EBP, Investment, Fair Value and NAV [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue', window );">Investments, at fair value</a></td>
<td class="nump">36,604,152<span></span>
</td>
<td class="nump">32,749,006<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Northern Trust All Country World ex-US Investable Market Index</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems', window );"><strong>EBP, Investment, Fair Value and NAV [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue', window );">Investments, at fair value</a></td>
<td class="nump">52,662,967<span></span>
</td>
<td class="nump">43,087,822<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Northern Trust Extended Equity Market Index</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems', window );"><strong>EBP, Investment, Fair Value and NAV [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue', window );">Investments, at fair value</a></td>
<td class="nump">18,147,027<span></span>
</td>
<td class="nump">16,451,996<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Northern Trust S&amp;P 500 Index</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems', window );"><strong>EBP, Investment, Fair Value and NAV [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue', window );">Investments, at fair value</a></td>
<td class="nump">260,535,622<span></span>
</td>
<td class="nump">220,037,383<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: T. Rowe Price Age Based Funds</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems', window );"><strong>EBP, Investment, Fair Value and NAV [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue', window );">Investments, at fair value</a></td>
<td class="nump">772,181,199<span></span>
</td>
<td class="nump">678,213,811<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Mutual funds</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems', window );"><strong>EBP, Investment, Fair Value and NAV [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue', window );">Investments, at fair value</a></td>
<td class="nump">165,884,532<span></span>
</td>
<td class="nump">167,466,925<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Mutual funds | Fair Value, Inputs, Level 1</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems', window );"><strong>EBP, Investment, Fair Value and NAV [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue', window );">Investments, at fair value</a></td>
<td class="nump">165,884,532<span></span>
</td>
<td class="nump">167,466,925<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Olin Corporation common stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems', window );"><strong>EBP, Investment, Fair Value and NAV [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue', window );">Investments, at fair value</a></td>
<td class="nump">26,901,921<span></span>
</td>
<td class="nump">42,871,537<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Olin Corporation common stock | Fair Value, Inputs, Level 1</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems', window );"><strong>EBP, Investment, Fair Value and NAV [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue', window );">Investments, at fair value</a></td>
<td class="nump">26,901,921<span></span>
</td>
<td class="nump">42,871,537<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Self-directed brokerage investment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems', window );"><strong>EBP, Investment, Fair Value and NAV [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue', window );">Investments, at fair value</a></td>
<td class="nump">79,420,336<span></span>
</td>
<td class="nump">67,001,138<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Self-directed brokerage investment | Fair Value, Inputs, Level 1</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems', window );"><strong>EBP, Investment, Fair Value and NAV [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue', window );">Investments, at fair value</a></td>
<td class="nump">79,420,336<span></span>
</td>
<td class="nump">67,001,138<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Total categorized investments measured at fair value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems', window );"><strong>EBP, Investment, Fair Value and NAV [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue', window );">Investments, at fair value</a></td>
<td class="nump">272,206,789<span></span>
</td>
<td class="nump">277,339,600<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Total categorized investments measured at fair value | Fair Value, Inputs, Level 1</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems', window );"><strong>EBP, Investment, Fair Value and NAV [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue', window );">Investments, at fair value</a></td>
<td class="nump">272,206,789<span></span>
</td>
<td class="nump">277,339,600<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Collective trust funds with fair value measured at net asset value (1)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems', window );"><strong>EBP, Investment, Fair Value and NAV [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue', window );">Investments, at fair value</a></td>
<td class="nump">$ 1,217,681,956<span></span>
</td>
<td class="nump">$ 1,067,004,957<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_oln_FairValueInvestmentNAVRedemptionNoticePeriodApplicable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Fair Value Investment NAV Redemption Notice Period Applicable</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">oln_FairValueInvestmentNAVRedemptionNoticePeriodApplicable</td>
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<tr>
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<tr>
<td><strong> Period Type:</strong></td>
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</tr>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EbpFairValueInvestmentNavRedemptionDescription">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Description of information about redemption of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), that is measured at net asset value (NAV) per share as practical expedient for estimate of fair value. Includes, but is not limited, term, condition, circumstance in which otherwise redeemable investment might not be redeemable, and restriction on ability to sell investment at measurement date.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477783/962-325-50-1<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 6A<br> -Subparagraph (d)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 6A<br> -Subparagraph (e)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EbpFairValueInvestmentNavRedemptionDescription</td>
</tr>
<tr>
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<td>xbrli:stringItemType</td>
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<td><strong> Period Type:</strong></td>
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</tr>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EbpFairValueInvestmentNavUnfundedCommitment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of unfunded commitment for investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), that is fair value measured at net asset value (NAV) per share as practical expedient.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477783/962-325-50-1<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 6A<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EbpFairValueInvestmentNavUnfundedCommitment</td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Fair value of investment, excluding plan interest in master trust, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract not meeting fully-benefit responsive investment criteria.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue</td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
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<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td>duration</td>
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<tr>
<td><strong> Name:</strong></td>
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<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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<td><strong> Name:</strong></td>
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<td></td>
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<tr>
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<td style="white-space:nowrap;">us-gaap_InvestmentTypeAxis=us-gaap_MutualFundMember</td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Tax Status (Details) - EBP 032<br></strong></div></th>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Date of tax determination letter for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), in YYYY-MM-DD format.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br></p></div>
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterDate</td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicates (true false) whether tax determination letter was obtained by employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 962<br> -SubTopic 325<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478873/962-325-55-17<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (g)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478416/962-205-50-1<br></p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (g)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478416/962-205-50-1<br></p></div>
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<TYPE>XML
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<html>
<head>
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<link rel="stylesheet" type="text/css" href="include/report.css">
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Party-in-Interest Transactions (Details) - EBP 032 - USD ($)<br></strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2025</div></th>
<th class="th"><div>Dec. 31, 2024</div></th>
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<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 1,489,888,745<span></span>
</td>
<td class="text">&#160;<span></span>
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</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Empower/Empower Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_FeesPaidToRelatedPartiesAndPartiesInInterest', window );">Fees Paid to Related Parties and Parties-in-Interest</a></td>
<td class="nump">769,649<span></span>
</td>
<td class="nump">$ 4,127<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Voya/Voya Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_FeesPaidToRelatedPartiesAndPartiesInInterest', window );">Fees Paid to Related Parties and Parties-in-Interest</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">467,921<span></span>
</td>
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<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">State Street</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_FeesPaidToRelatedPartiesAndPartiesInInterest', window );">Fees Paid to Related Parties and Parties-in-Interest</a></td>
<td class="nump">60,000<span></span>
</td>
<td class="nump">74,383<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Charles Schwab &amp; Co., Inc._ Self-directed Brokerage Investment', window );">Investment, Identifier [Axis]: Charles Schwab &amp; Co., Inc.: Self-directed Brokerage Investment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">79,420,336<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ Galliard Managed Income Fund D', window );">Investment, Identifier [Axis]: Collective Trusts: Galliard Managed Income Fund D</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">77,550,989<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ JPMCB Core Plus Bond', window );">Investment, Identifier [Axis]: Collective Trusts: JPMCB Core Plus Bond</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">36,604,152<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ Northern Trust All Country World ex-US Investable Market Index', window );">Investment, Identifier [Axis]: Collective Trusts: Northern Trust All Country World ex-US Investable Market Index</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">52,662,967<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ Northern Trust Extended Equity Market Index', window );">Investment, Identifier [Axis]: Collective Trusts: Northern Trust Extended Equity Market Index</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">18,147,027<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ Northern Trust S&amp;P 500 Index', window );">Investment, Identifier [Axis]: Collective Trusts: Northern Trust S&amp;P 500 Index</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">260,535,622<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ T. Rowe Price Retirement 2010 Trust', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2010 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">27,992,855<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ T. Rowe Price Retirement 2015 Trust', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2015 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">11,701,209<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ T. Rowe Price Retirement 2020 Trust', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2020 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">39,250,402<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ T. Rowe Price Retirement 2025 Trust', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2025 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">75,379,335<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ T. Rowe Price Retirement 2030 Trust', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2030 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">119,740,898<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ T. Rowe Price Retirement 2035 Trust', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2035 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">124,477,146<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ T. Rowe Price Retirement 2040 Trust', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2040 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">101,965,561<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ T. Rowe Price Retirement 2045 Trust', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2045 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">89,304,800<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ T. Rowe Price Retirement 2050 Trust', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2050 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">79,617,215<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ T. Rowe Price Retirement 2055 Trust', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2055 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">96,859,899<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ T. Rowe Price Retirement 2060 Trust', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2060 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">4,462,146<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ T. Rowe Price Retirement 2065 Trust', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2065 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">864,541<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ T. Rowe Price Retirement 2070 Trust', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2070 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">565,192<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Mutual Funds_ Artisan International Value Fund', window );">Investment, Identifier [Axis]: Mutual Funds: Artisan International Value Fund</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">38,111,739<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Mutual Funds_ Baird Aggregate Bond Fund', window );">Investment, Identifier [Axis]: Mutual Funds: Baird Aggregate Bond Fund</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">47,531,821<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Mutual Funds_ Capital Group American New Perspective Fund', window );">Investment, Identifier [Axis]: Mutual Funds: Capital Group American New Perspective Fund</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">28,113,455<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Mutual Funds_ Eaton Vance Atlanta Capital Small/Mid Cap Fund', window );">Investment, Identifier [Axis]: Mutual Funds: Eaton Vance Atlanta Capital Small/Mid Cap Fund</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">42,485,848<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Mutual Funds_ PIMCO All Asset Fund', window );">Investment, Identifier [Axis]: Mutual Funds: PIMCO All Asset Fund</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">9,641,669<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Olin Common Stock Fund and Self-directed Brokerage Investment_ Olin Corporation Common Stock', window );">Investment, Identifier [Axis]: Olin Common Stock Fund and Self-directed Brokerage Investment: Olin Corporation Common Stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">27,282,469<span></span>
</td>
<td class="nump">43,277,459<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_OlinCommonStockPurchasesAmount', window );">Olin Common Stock Purchases, Amount</a></td>
<td class="nump">11,969,062<span></span>
</td>
<td class="nump">6,095,969<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_OlinCommonStockSalesAmount', window );">Olin Common Stock Sales, Amount</a></td>
<td class="nump">11,498,787<span></span>
</td>
<td class="nump">16,327,430<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Olin Common Stock Fund_ Olin Corporation Common Stock', window );">Investment, Identifier [Axis]: Olin Common Stock Fund: Olin Corporation Common Stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">26,901,921<span></span>
</td>
<td class="nump">42,871,537<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_OlinCommonStockPurchasesAmount', window );">Olin Common Stock Purchases, Amount</a></td>
<td class="nump">5,736,914<span></span>
</td>
<td class="nump">5,474,212<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_OlinCommonStockSalesAmount', window );">Olin Common Stock Sales, Amount</a></td>
<td class="nump">5,348,064<span></span>
</td>
<td class="nump">15,756,568<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Olin Common Stock Fund_ Olin Corporation common stock', window );">Investment, Identifier [Axis]: Olin Common Stock Fund: Olin Corporation common stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">26,901,921<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIdentifierAxis=Self-directed Brokerage Investment_ Olin Corporation Common Stock', window );">Investment, Identifier [Axis]: Self-directed Brokerage Investment: Olin Corporation Common Stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems', window );"><strong>EBP, Related Party and Party-in-Interest Transactions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">380,548<span></span>
</td>
<td class="nump">405,922<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_OlinCommonStockPurchasesAmount', window );">Olin Common Stock Purchases, Amount</a></td>
<td class="nump">6,232,148<span></span>
</td>
<td class="nump">621,757<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_OlinCommonStockSalesAmount', window );">Olin Common Stock Sales, Amount</a></td>
<td class="nump">$ 6,150,723<span></span>
</td>
<td class="nump">$ 570,862<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_oln_FeesPaidToRelatedPartiesAndPartiesInInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of fees paid to related parties and parties-in-interest.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">oln_FeesPaidToRelatedPartiesAndPartiesInInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>oln_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_oln_OlinCommonStockPurchasesAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Value of investment purchased by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">oln_OlinCommonStockPurchasesAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>oln_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_oln_OlinCommonStockSalesAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Value of investment purchased by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">oln_OlinCommonStockSalesAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>oln_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Current value of investment, excluding plan interest in master trust, in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (1)(i)(D)<br> -Publisher DOL-EBSA<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule I))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-02)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 235<br> -Name Accounting Standards Codification<br> -Section S50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479143/962-235-S50-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 850<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483326/850-10-50-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=oln_EBP032Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=oln_EBP032Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis=oln_EmpowerEmpowerTrustMember">
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<td>na</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
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<td></td>
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<td>na</td>
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<td style="white-space:nowrap;">us-gaap_InvestmentIdentifierAxis=Collective Trusts_ Northern Trust S&amp;P 500 Index</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
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</tr>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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</tr>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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</table></div>
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</tr>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
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<td></td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ T. Rowe Price Retirement 2025 Trust">
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</tr>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
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<td>na</td>
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<td></td>
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<td></td>
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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ T. Rowe Price Retirement 2030 Trust">
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<td></td>
</tr>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
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<td></td>
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<td></td>
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</table></div>
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</tr>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
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<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
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<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ T. Rowe Price Retirement 2040 Trust">
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</tr>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
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<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ T. Rowe Price Retirement 2045 Trust">
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</tr>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
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<td></td>
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<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
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</tr>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
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<td></td>
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<td></td>
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</table></div>
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</tr>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td></td>
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<td></td>
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</table></div>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td></td>
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</table></div>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ T. Rowe Price Retirement 2070 Trust">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentIdentifierAxis=Collective Trusts_ T. Rowe Price Retirement 2070 Trust</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentIdentifierAxis=Mutual Funds_ Artisan International Value Fund">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentIdentifierAxis=Mutual Funds_ Artisan International Value Fund</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentIdentifierAxis=Mutual Funds_ Baird Aggregate Bond Fund">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentIdentifierAxis=Mutual Funds_ Baird Aggregate Bond Fund</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentIdentifierAxis=Mutual Funds_ Capital Group American New Perspective Fund">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentIdentifierAxis=Mutual Funds_ Capital Group American New Perspective Fund</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentIdentifierAxis=Mutual Funds_ Eaton Vance Atlanta Capital Small/Mid Cap Fund">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentIdentifierAxis=Mutual Funds_ Eaton Vance Atlanta Capital Small/Mid Cap Fund</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentIdentifierAxis=Mutual Funds_ PIMCO All Asset Fund">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentIdentifierAxis=Mutual Funds_ PIMCO All Asset Fund</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentIdentifierAxis=Olin Common Stock Fund and Self-directed Brokerage Investment_ Olin Corporation Common Stock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentIdentifierAxis=Olin Common Stock Fund and Self-directed Brokerage Investment_ Olin Corporation Common Stock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentIdentifierAxis=Olin Common Stock Fund_ Olin Corporation Common Stock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentIdentifierAxis=Olin Common Stock Fund_ Olin Corporation Common Stock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentIdentifierAxis=Olin Common Stock Fund_ Olin Corporation common stock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentIdentifierAxis=Olin Common Stock Fund_ Olin Corporation common stock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentIdentifierAxis=Self-directed Brokerage Investment_ Olin Corporation Common Stock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentIdentifierAxis=Self-directed Brokerage Investment_ Olin Corporation Common Stock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>29
<FILENAME>R20.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
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<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="include/report.css">
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Schedule H, Line 4i - Schedule of Assets (Held at End of Year) (Details) - EBP 032<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th">
<div>Dec. 31, 2025 </div>
<div>USD ($) </div>
<div>yr </div>
<div>Rate </div>
<div>shares</div>
</th>
<th class="th">
<div>Dec. 31, 2024 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EbpPlanName', window );">Plan Name</a></td>
<td class="text">Olin Corporation Retirement Savings Plan<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">13-1872319<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanPlanNumber', window );">EBP, Plan Number</a></td>
<td class="text">032<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 1,489,888,745<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution', window );">EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution</a></td>
<td class="nump">$ 18,837,344<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_oln_LoanMaturityDate', window );">Loan Maturity Date | yr</a></td>
<td class="nump">2,042<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate', window );">EBP, Asset Held for Investment, Participant Loan, Interest Rate | Rate</a></td>
<td class="nump">9.50%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate', window );">EBP, Asset Held for Investment, Participant Loan, Interest Rate | Rate</a></td>
<td class="nump">3.25%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Charles Schwab &amp; Co., Inc.: Self-directed Brokerage Investment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 79,420,336<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Collective Trusts: Galliard Managed Income Fund D</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 77,550,989<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">2,815,244<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Collective Trusts: JPMCB Core Plus Bond</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 36,604,152<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">2,971,116<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Collective Trusts: Northern Trust All Country World ex-US Investable Market Index</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 52,662,967<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">264,784<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Collective Trusts: Northern Trust Extended Equity Market Index</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 18,147,027<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">81,898<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Collective Trusts: Northern Trust S&amp;P 500 Index</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 260,535,622<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">819,939<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2010 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 27,992,855<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">1,122,408<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2015 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 11,701,209<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">427,989<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2020 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 39,250,402<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">1,314,921<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2025 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 75,379,335<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">2,300,957<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2030 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 119,740,898<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">3,309,588<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2035 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 124,477,146<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">3,137,024<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2040 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 101,965,561<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">2,394,682<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2045 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 89,304,800<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">2,015,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2050 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 79,617,215<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">1,783,540<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2055 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 96,859,899<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">2,167,828<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2060 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 4,462,146<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">155,584<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2065 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 864,541<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">48,137<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Collective Trusts: T. Rowe Price Retirement 2070 Trust</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 565,192<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">51,569<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Mutual Funds: Artisan International Value Fund</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 38,111,739<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">708,660<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Mutual Funds: Baird Aggregate Bond Fund</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 47,531,821<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">4,781,873<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Mutual Funds: Capital Group American New Perspective Fund</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 28,113,455<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">397,813<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Mutual Funds: Eaton Vance Atlanta Capital Small/Mid Cap Fund</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 42,485,848<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">1,139,336<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Mutual Funds: PIMCO All Asset Fund</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 9,641,669<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">844,279<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Olin Common Stock Fund and Self-directed Brokerage Investment: Olin Corporation Common Stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 27,282,469<span></span>
</td>
<td class="nump">$ 43,277,459<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Olin Common Stock Fund: Olin Corporation Common Stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">26,901,921<span></span>
</td>
<td class="nump">42,871,537<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Olin Common Stock Fund: Olin Corporation common stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 26,901,921<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">1,291,304<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Self-directed Brokerage Investment: Olin Common Stock Fund</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares', window );">EBP, Investment, Number of Shares | shares</a></td>
<td class="nump">18,269<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LegalEntityAxis=oln_EBP032Member', window );">Investment, Identifier [Axis]: Self-directed Brokerage Investment: Olin Corporation Common Stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems', window );"><strong>EBP, Schedule of Asset Held for Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue', window );">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</a></td>
<td class="nump">$ 380,548<span></span>
</td>
<td class="nump">$ 405,922<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityTaxIdentificationNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityTaxIdentificationNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:employerIdItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_oln_LoanMaturityDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Maturity date of participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">oln_LoanMaturityDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>oln_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:integerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EbpPlanName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-01)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EbpPlanName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Current value of investment, excluding plan interest in master trust, in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (1)(i)(D)<br> -Publisher DOL-EBSA<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule I))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount, after deemed distribution, of participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (1)(i)(D)<br> -Publisher DOL-EBSA<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule I))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Number of shares or units of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule I))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (3)<br> -Publisher DOL-EBSA<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (4)<br> -Publisher DOL-EBSA<br><br>Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (1)(i)(B)<br> -Publisher DOL-EBSA<br><br>Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (2)(i)(B)<br> -Publisher DOL-EBSA<br><br>Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 6<br> -Paragraph d<br> -Subparagraph (1)(ii)<br> -Publisher DOL-EBSA<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-02(b))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Interest rate on participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (1)(i)(D)<br> -Publisher DOL-EBSA<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule I))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanPlanNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Plan number of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), in three-digit numeric format.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule I))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule II))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (1)<br> -Publisher DOL-EBSA<br><br>Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule III))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (3)<br> -Publisher DOL-EBSA<br><br>Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (4)<br> -Publisher DOL-EBSA<br><br>Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 6<br> -Paragraph d<br> -Subparagraph (1)<br> -Publisher DOL-EBSA<br><br>Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 6<br> -Paragraph d<br> -Subparagraph (2)<br> -Publisher DOL-EBSA<br><br>Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (2)<br> -Publisher DOL-EBSA<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanPlanNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>us-types:threeDigitItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (1)(i)(D)<br> -Publisher DOL-EBSA<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 962<br> -SubTopic 205<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6A-05(a)(Schedule I))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (1)(i)(A)<br> -Publisher DOL-EBSA<br><br>Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (1)(i)(C)<br> -Publisher DOL-EBSA<br><br>Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Employee Retirement Income Security Act of 1974<br> -Number 2520<br> -Section 103<br> -Subsection 10<br> -Paragraph b<br> -Subparagraph (1)(i)(B)<br> -Publisher DOL-EBSA<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap-ebp_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=oln_EBP032Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=oln_EBP032Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MinimumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MinimumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentIdentifierAxis=Charles Schwab &amp; Co., Inc._ Self-directed Brokerage Investment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentIdentifierAxis=Charles Schwab &amp; Co., Inc._ Self-directed Brokerage Investment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentIdentifierAxis=Collective Trusts_ Galliard Managed Income Fund D">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentIdentifierAxis=Collective Trusts_ Galliard Managed Income Fund D</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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</table></div>
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</table>
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<td>na</td>
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<td>na</td>
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<td>na</td>
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<td>na</td>
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<td>na</td>
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<td>na</td>
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<td>na</td>
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<td></td>
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<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
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<td></td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
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<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
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<td></td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
<td></td>
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<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
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<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
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<td><strong> Period Type:</strong></td>
<td></td>
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<td>na</td>
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<td>na</td>
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<td>na</td>
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    <context id="c-16">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel1Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap-ebp:EmployeeBenefitPlanEmployerCommonStockMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2024-12-31</instant>
        </period>
    </context>
    <context id="c-17">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap-ebp:EmployeeBenefitPlanEmployerCommonStockMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2024-12-31</instant>
        </period>
    </context>
    <context id="c-18">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel1Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap-ebp:EmployeeBenefitPlanSelfDirectedBrokerageAccountMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-12-31</instant>
        </period>
    </context>
    <context id="c-19">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap-ebp:EmployeeBenefitPlanSelfDirectedBrokerageAccountMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-12-31</instant>
        </period>
    </context>
    <context id="c-20">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel1Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap-ebp:EmployeeBenefitPlanSelfDirectedBrokerageAccountMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2024-12-31</instant>
        </period>
    </context>
    <context id="c-21">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap-ebp:EmployeeBenefitPlanSelfDirectedBrokerageAccountMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2024-12-31</instant>
        </period>
    </context>
    <context id="c-22">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel1Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">oln:InvestmentsMeasuredAtFairValueExcludingCommonCollectiveTrustFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-12-31</instant>
        </period>
    </context>
    <context id="c-23">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">oln:InvestmentsMeasuredAtFairValueExcludingCommonCollectiveTrustFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-12-31</instant>
        </period>
    </context>
    <context id="c-24">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel1Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">oln:InvestmentsMeasuredAtFairValueExcludingCommonCollectiveTrustFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2024-12-31</instant>
        </period>
    </context>
    <context id="c-25">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">oln:InvestmentsMeasuredAtFairValueExcludingCommonCollectiveTrustFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2024-12-31</instant>
        </period>
    </context>
    <context id="c-26">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:DefinedBenefitPlanCommonCollectiveTrustMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-12-31</instant>
        </period>
    </context>
    <context id="c-27">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:DefinedBenefitPlanCommonCollectiveTrustMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2024-12-31</instant>
        </period>
    </context>
    <context id="c-28">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>Galliard Managed Income Fund D</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-12-31</instant>
        </period>
    </context>
    <context id="c-29">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>Galliard Managed Income Fund D</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2024-12-31</instant>
        </period>
    </context>
    <context id="c-30">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>JPMCB Core Plus Bond</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-12-31</instant>
        </period>
    </context>
    <context id="c-31">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>JPMCB Core Plus Bond</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2024-12-31</instant>
        </period>
    </context>
    <context id="c-32">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>Northern Trust All Country World ex-US Investable Market Index</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-12-31</instant>
        </period>
    </context>
    <context id="c-33">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>Northern Trust All Country World ex-US Investable Market Index</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2024-12-31</instant>
        </period>
    </context>
    <context id="c-34">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>Northern Trust Extended Equity Market Index</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-12-31</instant>
        </period>
    </context>
    <context id="c-35">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>Northern Trust Extended Equity Market Index</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2024-12-31</instant>
        </period>
    </context>
    <context id="c-36">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>Northern Trust S&amp;P 500 Index</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-12-31</instant>
        </period>
    </context>
    <context id="c-37">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>Northern Trust S&amp;P 500 Index</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2024-12-31</instant>
        </period>
    </context>
    <context id="c-38">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>T. Rowe Price Age Based Funds</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-12-31</instant>
        </period>
    </context>
    <context id="c-39">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>T. Rowe Price Age Based Funds</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2024-12-31</instant>
        </period>
    </context>
    <context id="c-40">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>Olin Common Stock Fund: Olin Corporation Common Stock</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-12-31</instant>
        </period>
    </context>
    <context id="c-41">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>Olin Common Stock Fund: Olin Corporation Common Stock</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2024-12-31</instant>
        </period>
    </context>
    <context id="c-42">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>Self-directed Brokerage Investment: Olin Corporation Common Stock</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-12-31</instant>
        </period>
    </context>
    <context id="c-43">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>Self-directed Brokerage Investment: Olin Corporation Common Stock</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2024-12-31</instant>
        </period>
    </context>
    <context id="c-44">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>Olin Common Stock Fund and Self-directed Brokerage Investment: Olin Corporation Common Stock</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-12-31</instant>
        </period>
    </context>
    <context id="c-45">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>Olin Common Stock Fund and Self-directed Brokerage Investment: Olin Corporation Common Stock</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2024-12-31</instant>
        </period>
    </context>
    <context id="c-46">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>Olin Common Stock Fund: Olin Corporation Common Stock</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="c-47">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>Olin Common Stock Fund: Olin Corporation Common Stock</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-01-01</startDate>
            <endDate>2024-12-31</endDate>
        </period>
    </context>
    <context id="c-48">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>Self-directed Brokerage Investment: Olin Corporation Common Stock</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="c-49">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>Self-directed Brokerage Investment: Olin Corporation Common Stock</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-01-01</startDate>
            <endDate>2024-12-31</endDate>
        </period>
    </context>
    <context id="c-50">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>Olin Common Stock Fund and Self-directed Brokerage Investment: Olin Corporation Common Stock</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="c-51">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
                    <us-gaap:limitedToken.domain>Olin Common Stock Fund and Self-directed Brokerage Investment: Olin Corporation Common Stock</us-gaap:limitedToken.domain>
                </xbrldi:typedMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-01-01</startDate>
            <endDate>2024-12-31</endDate>
        </period>
    </context>
    <context id="c-52">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis">oln:EmpowerEmpowerTrustMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="c-53">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis">oln:EmpowerEmpowerTrustMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-01-01</startDate>
            <endDate>2024-12-31</endDate>
        </period>
    </context>
    <context id="c-54">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis">oln:VoyaVoyaTrustMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="c-55">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis">oln:VoyaVoyaTrustMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-01-01</startDate>
            <endDate>2024-12-31</endDate>
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        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis">oln:StateStreetMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
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        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis">oln:StateStreetMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
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        <period>
            <startDate>2024-01-01</startDate>
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        </period>
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                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
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            <instant>2025-12-31</instant>
        </period>
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                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
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                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
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            <segment>
                <xbrldi:typedMember dimension="us-gaap:InvestmentIdentifierAxis">
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                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
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                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
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                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
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                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
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                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
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                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
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                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
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                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
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                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">oln:EBP032Member</xbrldi:explicitMember>
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    <us-gaap-ebp:EmployeeBenefitPlanDescriptionOfPlanTextBlock contextRef="c-4" id="f-56">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;NOTE 1.  DESCRIPTION OF THE PLAN&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The Olin Corporation (Olin) Retirement Savings Plan (the Plan) was amended and restated effective January 1, 2024 in order to include all prior amendments made to the Plan and incorporate certain legally required amendments. Additionally, effective October 1, 2024, the Plan&#x2019;s name was changed from the Contributing Employee Ownership Plan (CEOP) and to reflect operational practices and changes made in connection with Olin&#x2019;s engagement of a new recordkeeper and custodian.  The following description of the Plan provides only general information.  Participants should refer to the Plan document for a more complete description of the Plan&#x2019;s provisions.  &lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;General&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The Plan is a defined contribution plan originally established in 1964 that has since been amended and restated and for which Olin is the current sponsor.  The Plan was established for the purpose of providing retirement benefits for the United States (U.S.) employees of Olin and its subsidiaries.  The Plan contains a cash or deferred component which was intended to qualify under Sections 401(a) and 401(k) of the Internal Revenue Code of 1986, as amended (the Code) and an employee stock ownership plan (ESOP) component intended to qualify as a stock bonus plan under Sections 401(a) and 4975(e)(7) of the Code.  The ESOP consists of the Olin Common Stock Fund.  The Plan is subject to the applicable provisions of the Employee Retirement Income Security Act of 1974, as amended (ERISA).&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Eligibility&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The Plan provides eligibility to substantially all U.S. employees upon their hire date, provided they are actively employed by a participating employer and being paid by Olin.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Contributions&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The total maximum allowable employee contribution is 80% of eligible pay, subject to relevant annual limitations in the Code.  Plan participants may elect to increase, decrease, suspend or resume compensation deferrals at any time.  New elections are effective as soon as practicable after the request is processed.  Newly hired eligible employees not electing to enroll within approximately 30 days of hire date, are automatically enrolled to contribute 6% of their eligible compensation to the Plan, unless the employee elects to opt out.  The Plan contains an automatic escalation feature whereby contributions for certain eligible participants who are participating in the Plan are automatically increased 1% each year effective April 1, until the contribution rate reaches 15%, unless the employee designates otherwise.  The Plan&#x2019;s default investment option is the T. Rowe Price Age Based Retirement Income Fund with a maturity date closest to the participant&#x2019;s 65th birthday.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The Plan follows the Code&#x2019;s annual total maximum amount of employee contributions that may be made to the Plan, including catch-up contributions.  The amounts of employee contributions are based on eligible compensation and the percentage of such compensation the participant has elected to contribute to the Plan.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The Plan provides for various Olin matching contributions based on various formulas outlined in the Plan, calculated based on the contributions made by the employee.  The Plan also provides certain employees with Olin retirement contributions based on various formulas outlined in the Plan, calculated based on the employee&#x2019;s eligible compensation and without respect to contributions elected by the employee.  Both the Olin matching and retirement contributions are invested in the same investment allocation as the employee&#x2019;s contributions to the Plan. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:115%"&gt;Contributions received from participants for the years ended December&#160;31, 2025 and 2024 included excess deferrals, net of related gains and losses, of $405,280 and $344,211, respectively.  These amounts were recorded as a liability with a corresponding reduction to participant contributions and were distributed to applicable participants in April 2026 and 2025, respectively, to comply with the maximum annual contribution limits under the Code.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:0.06pt;text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Rollovers&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The Plan accepts rollovers of qualified distributions from other eligible retirement plans.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Participant&#x2019;s Accounts&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Each participant&#x2019;s account is credited with the participant&#x2019;s contribution and allocations of Olin&#x2019;s contributions and earnings, which have been reduced by administrative expenses.  The benefit to which a participant is entitled is the participant&#x2019;s vested account balance.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Participant Investment Account Options&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Participants direct the investment of their contributions into various investment options offered by the Plan.  Participants may also transfer the value of the investments in their account to any one or a combination of investments available in the Plan.  Transfers into the Olin Common Stock Fund are limited to the extent that such transfer would result in more than 20% of the participant&#x2019;s account balance invested in the Olin Common Stock Fund.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Vesting&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Substantially all participants in the Plan are immediately 100% vested in the Olin matching contributions.  Additionally, Olin elected to incorporate certain provisions into the Plan, so that the Plan was a &#x201c;safe harbor&#x201d; plan under Section 401(k) of the Code for substantially all participants (excluding specified employees in a qualified separate line of business); specifically, the first 3% of Olin retirement contributions are immediately 100% vested.  With the exception of the safe harbor retirement contributions, substantially all of the remaining Olin retirement contributions generally vest in accordance with the following schedule:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:45.277%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:48.286%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.026%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:48.288%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;Years of Service&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%"&gt;Percentage Vested&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Less than 2&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;0%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;2&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;50%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;3&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;100%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The Plan provides for immediate vesting resulting from death, total and permanent disability, or attainment of normal retirement age (age 65).&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Forfeited Accounts&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Forfeitures of Olin&#x2019;s retirement contributions were used to reduce Olin&#x2019;s contributions by $1,518,789 and $1,800,000 for the years ended December&#160;31, 2025 and 2024, respectively.  Forfeitures that were available amounted to $144,082 and $149,017 as of December&#160;31, 2025 and 2024, respectively.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Payment of Benefits&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Upon termination of service for any reason, a participant may elect to receive their entire vested balance in either a lump-sum or in annual installments up to fifteen years, or if the participant&#x2019;s life expectancy exceeds fifteen years, the life expectancy of the participant.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;All distributions are paid in cash; however, at the election of the participant, distributions from the Olin Common Stock Fund may be paid in common stock with any fractional interest in a share of common stock paid in cash.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Notes Receivable from Participants&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Notes receivable from participants are measured at their unpaid principal balance, plus any accrued but unpaid interest.  All employees who are participants in the Plan are eligible to borrow from the Plan.  The Plan generally allows for only one loan to be outstanding at a time.  No loan made to any participant shall exceed the lesser of:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-align:justify;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;(1)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:3.35pt"&gt;$50,000 reduced by the excess (if any) of (i) the highest outstanding balance of loans from the Plan during the one-year period ending on the day before the date the loan is made, over (ii) the outstanding balance of loans from the Plan on the date the loan is made, or&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-align:justify;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;(2)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:3.35pt"&gt;50% of the participant&#x2019;s vested account balance as of the valuation date on or immediately preceding the date of the loan.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The loans are funded from the participant&#x2019;s accounts, reducing the account balance by the loan amount, and are reflected as notes receivable from participants in the Plan&#x2019;s financial statements.  Terms of new loans may be up to five years.  The interest rate on outstanding loans is the prime rate on the date of loan origination.  Interest rates on outstanding loans ranged from 3.25% to 9.50% and 3.25% to 8.50% as of December&#160;31, 2025 and 2024, respectively.  The interest rates on new loans were 7.00% to 7.50% and 7.75% to 8.50% for the years ended December&#160;31, 2025 and 2024, respectively.  Delinquent notes receivable from participants are classified as benefits paid to participants.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Plan Termination&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Although it has not expressed any intent to do so, Olin has the right under the Plan to terminate the Plan, subject to the provisions of ERISA.  In the event of Plan termination, participants will become 100% vested in their accounts.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Recordkeepers&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Empower Retirement, LLC (Empower) is the recordkeeper for the Plan effective October 1, 2024. Prior to this date, the Plan&#x2019;s recordkeeper was Voya Institutional Plan Services, LLC (Voya), as further described in Note 6.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Custodians&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Empower Trust Company, LLC (Empower Trust) is the custodian for the majority of the Plan&#x2019;s investments effective October 1, 2024. Prior to this date, Voya Institutional Trust Company (Voya Trust) was the custodian for the majority of the Plan&#x2019;s investments as further described in Note 6.  State Street Bank and Trust is the custodian for the Olin Common Stock Fund.&lt;/span&gt;&lt;/div&gt;</us-gaap-ebp:EmployeeBenefitPlanDescriptionOfPlanTextBlock>
    <us-gaap-ebp:EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage contextRef="c-4" decimals="2" id="f-57" unitRef="rate">0.80</us-gaap-ebp:EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage>
    <us-gaap-ebp:EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate contextRef="c-4" decimals="2" id="f-58" unitRef="rate">0.06</us-gaap-ebp:EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate>
    <oln:AutomaticEscalationPercentage contextRef="c-2" decimals="0" id="f-59" unitRef="rate">1</oln:AutomaticEscalationPercentage>
    <oln:AutomaticEscalationPercentageMaximum contextRef="c-2" decimals="0" id="f-60" unitRef="rate">15</oln:AutomaticEscalationPercentageMaximum>
    <us-gaap-ebp:EmployeeBenefitPlanExcessContributionPayable contextRef="c-2" decimals="0" id="f-61" unitRef="usd">405280</us-gaap-ebp:EmployeeBenefitPlanExcessContributionPayable>
    <us-gaap-ebp:EmployeeBenefitPlanExcessContributionPayable contextRef="c-3" decimals="0" id="f-62" unitRef="usd">344211</us-gaap-ebp:EmployeeBenefitPlanExcessContributionPayable>
    <oln:OlinCommonStockFundMaximumAllocationPercentage contextRef="c-2" decimals="0" id="f-63" unitRef="rate">20</oln:OlinCommonStockFundMaximumAllocationPercentage>
    <oln:MatchingContributionImmediateVestingPercentage contextRef="c-2" decimals="0" id="f-64" unitRef="rate">100</oln:MatchingContributionImmediateVestingPercentage>
    <oln:RetirementContributionPercentageImmediatelyVested contextRef="c-2" decimals="0" id="f-65" unitRef="rate">3</oln:RetirementContributionPercentageImmediatelyVested>
    <oln:RetirementContributionVestingScheduleExcludingSafeHarborTableTextBlock contextRef="c-4" id="f-66">With the exception of the safe harbor retirement contributions, substantially all of the remaining Olin retirement contributions generally vest in accordance with the following schedule:&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:45.277%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:48.286%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.026%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:48.288%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;Years of Service&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%"&gt;Percentage Vested&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Less than 2&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;0%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;2&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;50%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;3&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;100%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</oln:RetirementContributionVestingScheduleExcludingSafeHarborTableTextBlock>
    <oln:RetirementContributionVestingPercentage contextRef="c-7" decimals="0" id="f-67" unitRef="rate">0</oln:RetirementContributionVestingPercentage>
    <oln:RetirementContributionVestingPercentage contextRef="c-8" decimals="0" id="f-68" unitRef="rate">50</oln:RetirementContributionVestingPercentage>
    <oln:RetirementContributionVestingPercentage contextRef="c-9" decimals="0" id="f-69" unitRef="rate">100</oln:RetirementContributionVestingPercentage>
    <us-gaap-ebp:EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution contextRef="c-4" decimals="0" id="f-70" unitRef="usd">1518789</us-gaap-ebp:EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution>
    <us-gaap-ebp:EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution contextRef="c-5" decimals="0" id="f-71" unitRef="usd">1800000</us-gaap-ebp:EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution>
    <us-gaap-ebp:EmployeeBenefitPlanForfeitedNonvestedAccount contextRef="c-2" decimals="0" id="f-72" unitRef="usd">144082</us-gaap-ebp:EmployeeBenefitPlanForfeitedNonvestedAccount>
    <us-gaap-ebp:EmployeeBenefitPlanForfeitedNonvestedAccount contextRef="c-3" decimals="0" id="f-73" unitRef="usd">149017</us-gaap-ebp:EmployeeBenefitPlanForfeitedNonvestedAccount>
    <us-gaap-ebp:EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount contextRef="c-2" decimals="0" id="f-74" unitRef="usd">50000</us-gaap-ebp:EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount>
    <us-gaap-ebp:EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage contextRef="c-2" decimals="2" id="f-75" unitRef="rate">0.50</us-gaap-ebp:EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage>
    <oln:MaximumLoanTermYears contextRef="c-2" decimals="0" id="f-76" unitRef="y">5</oln:MaximumLoanTermYears>
    <oln:OutstandingLoanRateMinimum contextRef="c-2" decimals="4" id="f-77" unitRef="rate">0.0325</oln:OutstandingLoanRateMinimum>
    <oln:OutstandingLoanRateMaximum contextRef="c-2" decimals="4" id="f-78" unitRef="rate">0.0950</oln:OutstandingLoanRateMaximum>
    <oln:OutstandingLoanRateMinimum contextRef="c-3" decimals="4" id="f-79" unitRef="rate">0.0325</oln:OutstandingLoanRateMinimum>
    <oln:OutstandingLoanRateMaximum contextRef="c-3" decimals="4" id="f-80" unitRef="rate">0.0850</oln:OutstandingLoanRateMaximum>
    <oln:NewLoanRateMinimum contextRef="c-4" decimals="4" id="f-81" unitRef="rate">0.0700</oln:NewLoanRateMinimum>
    <oln:NewLoanRateMaximum contextRef="c-4" decimals="4" id="f-82" unitRef="rate">0.0750</oln:NewLoanRateMaximum>
    <oln:NewLoanRateMinimum contextRef="c-5" decimals="4" id="f-83" unitRef="rate">0.0775</oln:NewLoanRateMinimum>
    <oln:NewLoanRateMaximum contextRef="c-5" decimals="4" id="f-84" unitRef="rate">0.0850</oln:NewLoanRateMaximum>
    <us-gaap-ebp:EmployeeBenefitPlanPlanTerminationTextBlock contextRef="c-4" id="f-85">&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Plan Termination&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Although it has not expressed any intent to do so, Olin has the right under the Plan to terminate the Plan, subject to the provisions of ERISA.  In the event of Plan termination, participants will become 100% vested in their accounts.&lt;/span&gt;&lt;/div&gt;</us-gaap-ebp:EmployeeBenefitPlanPlanTerminationTextBlock>
    <us-gaap-ebp:EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock contextRef="c-4" id="f-86">&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;NOTE 2.  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Basis of Presentation&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The accompanying financial statements have been prepared on the accrual basis of accounting, in accordance with accounting principles generally accepted in the United States of America.  Certain reclassifications have been made to the 2024 financial statements to conform to the 2025 financial statement presentation.  These reclassifications had no effect on changes in net assets available for benefits.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Use of Estimates&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and changes therein, and disclosure of contingent assets and liabilities.  Actual results could differ from those estimates.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Investment Valuation and Income Recognition&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The Plan performs fair value measurements in accordance with Financial Accounting Standards Board Accounting Standards Codification 820, Fair Value Measurement (ASC 820). The Plan&#x2019;s Investment Committee determines the Plan&#x2019;s valuation policies utilizing information provided by investment advisors and custodians.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Purchases and sales of securities are recorded on a trade date basis.  Interest income is recorded on an accrual basis.  Dividends are recorded on the ex-dividend date.  Net appreciation in fair value of investments includes the Plan&#x2019;s gains and losses on investments bought and sold as well as held during the year.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Risks and Uncertainties&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The Plan invests in various investment securities, including Olin common stock.  Investment securities are exposed to various risks such as interest rate, market, and credit risks.  Due to the level of risk associated with certain investment securities, it is at least reasonably possible that changes in the values of investment securities will occur in the near term, and that such changes could materially affect participants&#x2019; account balances and the amounts reported in the statements of net assets available for benefits.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Users of these financial statements should be aware that the financial markets&#x2019; volatility may significantly impact the subsequent valuation of the Plan&#x2019;s investments.  Accordingly, the valuation of investments as of December&#160;31, 2025 may not necessarily be indicative of amounts that could be realized in a current market exchange.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Payment of Benefits&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Benefit payments are recorded when paid.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Administrative Expenses&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Except for loan origination fees, the expenses of administering the Plan are payable from the Plan&#x2019;s assets, unless the Company elects to pay such expenses.  Olin has elected to have certain expenses of administering the Plan paid by the Company.  No officer or employee receives compensation from the Plan.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:0.06pt;text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Participant accounts are charged fees to pay for Plan expenses. Those charges are used to pay for the Plan&#x2019;s recordkeeping, custodial, auditing, legal, and other miscellaneous administrative fees.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:0.06pt;text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%"&gt;Trust Fund Management&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Empower Trust is the Plan trustee effective October 1, 2024.  Prior to this date, the Voya Trust was the Plan trustee.  Under the terms of the trust agreements with both Empower Trust and Voya Trust, the trustee is responsible for the safekeeping of Plan assets in the trust fund and the maintenance of records relating to receipts and disbursements from the trust fund.  The trustee invests funds in accordance with the terms of the Plan and makes payments from the trust fund as directed by participants and Olin.  &lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Under both the Empower Trust and Voya Trust, trustee fees, investment management fees, commissions, and related Plan administrative expenses are incorporated into the fees associated with the investment funds made available under the Plan.  Investment related fees are included in net appreciation in fair value of investments.  In addition, fees associated with the self-directed brokerage feature are charged directly to the affected participant&#x2019;s account.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Employer Contributions Receivable&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Employer contributions from Olin are recorded when the Plan is owed, but has not yet received, employee and/or employer contributions. Employer contributions receivable for the year ended December&#160;31, 2025 included an estimated receivable for an employer contribution correction.&lt;/span&gt;&lt;/div&gt;</us-gaap-ebp:EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock>
    <us-gaap-ebp:EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock contextRef="c-4" id="f-87">&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Basis of Presentation&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The accompanying financial statements have been prepared on the accrual basis of accounting, in accordance with accounting principles generally accepted in the United States of America.  Certain reclassifications have been made to the 2024 financial statements to conform to the 2025 financial statement presentation.  These reclassifications had no effect on changes in net assets available for benefits.&lt;/span&gt;&lt;/div&gt;</us-gaap-ebp:EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock>
    <us-gaap-ebp:EmployeeBenefitPlanUseOfEstimatePolicyTextBlock contextRef="c-4" id="f-88">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Use of Estimates&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and changes therein, and disclosure of contingent assets and liabilities.  Actual results could differ from those estimates.&lt;/span&gt;&lt;/div&gt;</us-gaap-ebp:EmployeeBenefitPlanUseOfEstimatePolicyTextBlock>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentPolicyTextBlock contextRef="c-4" id="f-89">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Investment Valuation and Income Recognition&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The Plan performs fair value measurements in accordance with Financial Accounting Standards Board Accounting Standards Codification 820, Fair Value Measurement (ASC 820). The Plan&#x2019;s Investment Committee determines the Plan&#x2019;s valuation policies utilizing information provided by investment advisors and custodians.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Purchases and sales of securities are recorded on a trade date basis.  Interest income is recorded on an accrual basis.  Dividends are recorded on the ex-dividend date.  Net appreciation in fair value of investments includes the Plan&#x2019;s gains and losses on investments bought and sold as well as held during the year.&lt;/span&gt;&lt;/div&gt;</us-gaap-ebp:EmployeeBenefitPlanInvestmentPolicyTextBlock>
    <us-gaap-ebp:EbpRiskAndUncertaintyPolicyTextBlock contextRef="c-4" id="f-90">&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Risks and Uncertainties&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The Plan invests in various investment securities, including Olin common stock.  Investment securities are exposed to various risks such as interest rate, market, and credit risks.  Due to the level of risk associated with certain investment securities, it is at least reasonably possible that changes in the values of investment securities will occur in the near term, and that such changes could materially affect participants&#x2019; account balances and the amounts reported in the statements of net assets available for benefits.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Users of these financial statements should be aware that the financial markets&#x2019; volatility may significantly impact the subsequent valuation of the Plan&#x2019;s investments.  Accordingly, the valuation of investments as of December&#160;31, 2025 may not necessarily be indicative of amounts that could be realized in a current market exchange.&lt;/span&gt;&lt;/div&gt;</us-gaap-ebp:EbpRiskAndUncertaintyPolicyTextBlock>
    <us-gaap-ebp:EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock contextRef="c-4" id="f-91">&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Payment of Benefits&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Benefit payments are recorded when paid.&lt;/span&gt;&lt;/div&gt;</us-gaap-ebp:EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock>
    <us-gaap-ebp:EmployeeBenefitPlanExpensePolicyTextBlock contextRef="c-4" id="f-92">&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Administrative Expenses&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Except for loan origination fees, the expenses of administering the Plan are payable from the Plan&#x2019;s assets, unless the Company elects to pay such expenses.  Olin has elected to have certain expenses of administering the Plan paid by the Company.  No officer or employee receives compensation from the Plan.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:0.06pt;text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Participant accounts are charged fees to pay for Plan expenses. Those charges are used to pay for the Plan&#x2019;s recordkeeping, custodial, auditing, legal, and other miscellaneous administrative fees.&lt;/span&gt;&lt;/div&gt;</us-gaap-ebp:EmployeeBenefitPlanExpensePolicyTextBlock>
    <oln:TrustFundManagementPolicyTextBlock contextRef="c-4" id="f-93">&lt;div style="margin-bottom:0.06pt;text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%"&gt;Trust Fund Management&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Empower Trust is the Plan trustee effective October 1, 2024.  Prior to this date, the Voya Trust was the Plan trustee.  Under the terms of the trust agreements with both Empower Trust and Voya Trust, the trustee is responsible for the safekeeping of Plan assets in the trust fund and the maintenance of records relating to receipts and disbursements from the trust fund.  The trustee invests funds in accordance with the terms of the Plan and makes payments from the trust fund as directed by participants and Olin.  &lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Under both the Empower Trust and Voya Trust, trustee fees, investment management fees, commissions, and related Plan administrative expenses are incorporated into the fees associated with the investment funds made available under the Plan.  Investment related fees are included in net appreciation in fair value of investments.  In addition, fees associated with the self-directed brokerage feature are charged directly to the affected participant&#x2019;s account.&lt;/span&gt;&lt;/div&gt;</oln:TrustFundManagementPolicyTextBlock>
    <oln:EmployerContributionsReceivablePolicyTextBlock contextRef="c-4" id="f-94">&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Employer Contributions Receivable&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Employer contributions from Olin are recorded when the Plan is owed, but has not yet received, employee and/or employer contributions. Employer contributions receivable for the year ended December&#160;31, 2025 included an estimated receivable for an employer contribution correction.&lt;/span&gt;&lt;/div&gt;</oln:EmployerContributionsReceivablePolicyTextBlock>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock contextRef="c-4" id="f-95">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;NOTE 3.  FAIR VALUE MEASUREMENTS&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;ASC 820 provides the framework for measuring fair value which includes a hierarchy that prioritizes the inputs and valuation techniques used to measure fair value.  The three levels of the fair value hierarchy are described as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Level 1 &#x2013; Inputs were unadjusted, quoted prices in active markets for identical assets or liabilities at the measurement date.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Level 2 &#x2013; Inputs, other than quoted prices included in Level 1, were either directly or indirectly observable for the asset or liability including quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, or other inputs that are observable or can be corroborated by observable market data, for substantially the full term of the assets or liabilities.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Level 3 &#x2013; Inputs significant to the valuation model were unobservable and reflected the Plan&#x2019;s best estimate of assumptions to measure the assets or liabilities at fair value.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Fair value measurement levels within the fair value hierarchy are based on the lowest level input that is significant to the fair value measurement in its entirety.  Valuation techniques used need to maximize the use of observable inputs and minimize the use of unobservable inputs.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The following is a description of the valuation methodologies used for assets measured at fair value.  There have been no changes in the methodologies used during the years ended December&#160;31, 2025 and 2024: &lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-align:justify;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:13.8pt"&gt;Mutual Funds: Mutual funds, excluding the Artisan International Value Fund, are valued at quoted market prices.  The Artisan International Value Fund is valued on a per unit basis based on the daily change in the market value of the underlying investments, adjusted for dividends earned on the funds and an annual expense factor.  All mutual funds are deemed to be actively traded.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-align:justify;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:13.8pt"&gt;Common Stocks: Common stocks are valued at the closing price reported on the active market on which the individual securities are traded.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-align:justify;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:13.8pt"&gt;Self-directed Brokerage Investments: The self-directed brokerage investments are primarily comprised of common stocks and mutual funds and are measured at current value based on published market quotations from individual investments comprising the brokerage accounts.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The following table presents investments of the Plan measured at fair value on a recurring basis:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:31.122%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.355%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:14.594%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.355%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:15.983%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.355%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:14.594%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.355%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:15.987%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;December 31, 2025&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;December 31, 2024&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;Level 1&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;Level 1&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Mutual funds&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;165,884,532&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;165,884,532&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;167,466,925&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;167,466,925&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Olin Corporation common stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;26,901,921&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;26,901,921&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;42,871,537&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;42,871,537&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Self-directed brokerage investment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;79,420,336&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;79,420,336&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;67,001,138&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;67,001,138&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 23.5pt;text-align:left;text-indent:-9pt;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Total categorized investments measured at fair value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;272,206,789&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;272,206,789&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;277,339,600&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;277,339,600&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 14.5pt;text-align:left;text-indent:-13.5pt;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-indent:-13.5pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Collective trust funds with fair value measured at net asset value (1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:3pt double #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;1,217,681,956&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:3pt double #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;1,067,004,957&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 23.5pt;text-align:left;text-indent:-9pt;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Total investments, at fair value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;1,489,888,745&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;1,344,344,557&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-align:justify;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;(1)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:3.35pt"&gt;Investments in collective trust funds are measured at fair value using the net asset value (NAV) per share (or its equivalent) as a practical expedient and have not been categorized in the fair value hierarchy.  The fair value amounts presented in this table are intended to permit reconciliation of the fair value hierarchy to the amounts presented in the statements of net assets available for benefits.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:0.06pt;text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Generally, the mutual funds have implemented policies to monitor and discourage frequent, short-term trading.  Certain mutual funds apply a redemption fee if investments are not held for a minimum number of days and preclude transfers out of and into the fund within a minimum number of days.  The mutual funds also monitor transaction data reported by Empower Trust in compliance with U.S. Securities and Exchange Commission Rule 22c-2 to identify potential violations of the transfer restrictions and take appropriate action, when necessary.  Additionally, with respect to all investments (excluding the Self-Directed Brokerage Account investments), any money transferred out cannot be transferred back into the original fund for seven calendar days.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The NAV of collective trust funds is based on the fair value of the underlying investments held by the funds less liabilities.  Investments may be redeemed on a daily basis and it is probable that the Plan will sell the investments for the NAV.  There are no participant redemption restrictions and no significant redemption notice periods applicable to the Plan. There are also no unfunded commitments for these investments.  The following table summarizes investments for which fair value is measured using NAV per share practical expedient: &lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:62.788%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.355%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:16.400%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.355%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:16.402%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;December 31,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;2025&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;2024&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Galliard Managed Income Fund D&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;77,550,989&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;76,464,939&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;JPMCB Core Plus Bond&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;36,604,152&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;32,749,006&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 10pt;text-align:left;text-indent:-9pt;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Northern Trust All Country World ex-US Investable Market Index&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;52,662,967&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;43,087,822&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Northern Trust Extended Equity Market Index&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;18,147,027&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;16,451,996&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Northern Trust S&amp;amp;P 500 Index&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;260,535,622&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;220,037,383&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Age Based Funds&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;772,181,199&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;678,213,811&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 14.5pt;text-align:left;text-indent:-9pt;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Collective trust funds with fair value measured at NAV&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;1,217,681,956&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;1,067,004,957&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock contextRef="c-4" id="f-96">&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The following table presents investments of the Plan measured at fair value on a recurring basis:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:31.122%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.355%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:14.594%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.355%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:15.983%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.355%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:14.594%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.355%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:15.987%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;December 31, 2025&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;December 31, 2024&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;Level 1&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;Level 1&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Mutual funds&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;165,884,532&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;165,884,532&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;167,466,925&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;167,466,925&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Olin Corporation common stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;26,901,921&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;26,901,921&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;42,871,537&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;42,871,537&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Self-directed brokerage investment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;79,420,336&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;79,420,336&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;67,001,138&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;67,001,138&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 23.5pt;text-align:left;text-indent:-9pt;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Total categorized investments measured at fair value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;272,206,789&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;272,206,789&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;277,339,600&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;277,339,600&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 14.5pt;text-align:left;text-indent:-13.5pt;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-indent:-13.5pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Collective trust funds with fair value measured at net asset value (1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:3pt double #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;1,217,681,956&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:3pt double #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;1,067,004,957&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 23.5pt;text-align:left;text-indent:-9pt;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Total investments, at fair value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;1,489,888,745&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;1,344,344,557&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-align:justify;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;(1)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:3.35pt"&gt;Investments in collective trust funds are measured at fair value using the net asset value (NAV) per share (or its equivalent) as a practical expedient and have not been categorized in the fair value hierarchy.  The fair value amounts presented in this table are intended to permit reconciliation of the fair value hierarchy to the amounts presented in the statements of net assets available for benefits.&lt;/span&gt;&lt;/div&gt;</us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue contextRef="c-10" decimals="0" id="f-97" unitRef="usd">165884532</us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue contextRef="c-11" decimals="0" id="f-98" unitRef="usd">165884532</us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue contextRef="c-12" decimals="0" id="f-99" unitRef="usd">167466925</us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue contextRef="c-13" decimals="0" id="f-100" unitRef="usd">167466925</us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue contextRef="c-14" decimals="0" id="f-101" unitRef="usd">26901921</us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue contextRef="c-15" decimals="0" id="f-102" unitRef="usd">26901921</us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue contextRef="c-16" decimals="0" id="f-103" unitRef="usd">42871537</us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue contextRef="c-17" decimals="0" id="f-104" unitRef="usd">42871537</us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue contextRef="c-18" decimals="0" id="f-105" unitRef="usd">79420336</us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue contextRef="c-19" decimals="0" id="f-106" unitRef="usd">79420336</us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue contextRef="c-20" decimals="0" id="f-107" unitRef="usd">67001138</us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue contextRef="c-21" decimals="0" id="f-108" unitRef="usd">67001138</us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue contextRef="c-22" decimals="0" id="f-109" unitRef="usd">272206789</us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue contextRef="c-23" decimals="0" id="f-110" unitRef="usd">272206789</us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue contextRef="c-24" decimals="0" id="f-111" unitRef="usd">277339600</us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue contextRef="c-25" decimals="0" id="f-112" unitRef="usd">277339600</us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue contextRef="c-26" decimals="0" id="f-113" unitRef="usd">1217681956</us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue contextRef="c-27" decimals="0" id="f-114" unitRef="usd">1067004957</us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue contextRef="c-2" decimals="0" id="f-115" unitRef="usd">1489888745</us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue>
    <us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue contextRef="c-3" decimals="0" id="f-116" unitRef="usd">1344344557</us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue>
    <us-gaap-ebp:EbpFairValueInvestmentNavRedemptionDescription contextRef="c-4" id="f-117">Investments may be redeemed on a daily basis and it is probable that the Plan will sell the investments for the NAV.</us-gaap-ebp:EbpFairValueInvestmentNavRedemptionDescription>
    <oln:FairValueInvestmentNAVRedemptionNoticePeriodApplicable contextRef="c-4" id="f-118">no</oln:FairValueInvestmentNAVRedemptionNoticePeriodApplicable>
    <us-gaap-ebp:EbpFairValueInvestmentNavUnfundedCommitment contextRef="c-2" decimals="0" id="f-119" unitRef="usd">0</us-gaap-ebp:EbpFairValueInvestmentNavUnfundedCommitment>
    <oln:InvestmentsMeasuredAtNetAssetValueTableTextBlock contextRef="c-4" id="f-120">The following table summarizes investments for which fair value is measured using NAV per share practical expedient: &lt;div style="text-align:justify"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:62.788%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.355%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:16.400%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.355%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:16.402%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;December 31,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;2025&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;2024&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Galliard Managed Income Fund D&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;77,550,989&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;76,464,939&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;JPMCB Core Plus Bond&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;36,604,152&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;32,749,006&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 10pt;text-align:left;text-indent:-9pt;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Northern Trust All Country World ex-US Investable Market Index&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;52,662,967&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;43,087,822&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Northern Trust Extended Equity Market Index&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;18,147,027&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;16,451,996&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Northern Trust S&amp;amp;P 500 Index&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;260,535,622&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;220,037,383&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Age Based Funds&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;772,181,199&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;678,213,811&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 14.5pt;text-align:left;text-indent:-9pt;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Collective trust funds with fair value measured at NAV&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;1,217,681,956&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;1,067,004,957&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</oln:InvestmentsMeasuredAtNetAssetValueTableTextBlock>
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    <us-gaap-ebp:EmployeeBenefitPlanTaxStatusTextBlock contextRef="c-4" id="f-135">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;NOTE 4.  TAX STATUS&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Olin received a determination letter dated September 2, 2016 from the Internal Revenue Service stating that the Plan is a qualified plan, and the trust thereunder is exempt from federal income taxes under the Code.  Accordingly, no provision for income taxes has been included in the Plan&#x2019;s financial statements.  Although the Plan has been amended since receiving the determination letter, the Plan administrator and the Plan&#x2019;s tax counsel believe that the Plan is designed, and is currently being operated, in compliance with the applicable requirements of the Code and, therefore, believe that the Plan is qualified, and the related trust is tax-exempt.  Counsel for Olin advised that an employee will not be subject to federal income taxes on the contributions of Olin, or on dividends, interest or profit from sales of securities received by the trustee and credited to an employee&#x2019;s account, until such account or accounts are withdrawn or made available to the employee.  The tax treatment to the participant generally will depend upon the form of withdrawal.  &lt;/span&gt;&lt;/div&gt;Accounting principles generally accepted in the United States of America require Plan management to evaluate tax positions taken by the Plan and recognize a tax liability if the Plan has taken an uncertain position that more likely than not would not be sustained upon examination by a government authority.  The Plan administrator has analyzed the tax position taken by the Plan and has concluded that as of December&#160;31, 2025 and 2024, there are no uncertain positions expected to be taken that would require recognition of a liability or disclosure in the financial statements.  The Plan is subject to routine audits by taxing jurisdictions; however, there are currently no audits for any tax periods in process.</us-gaap-ebp:EmployeeBenefitPlanTaxStatusTextBlock>
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    <us-gaap-ebp:EmployeeBenefitPlanTaxDeterminationLetterDate contextRef="c-4" id="f-137">2016-09-02</us-gaap-ebp:EmployeeBenefitPlanTaxDeterminationLetterDate>
    <us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock contextRef="c-4" id="f-138">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;NOTE 5.  PARTY-IN-INTEREST TRANSACTIONS&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The Olin Common Stock Fund is an investment option under the Plan, and as such, transactions involving the Olin Common Stock Fund qualify as party-in-interest transactions.  Shares of Olin Corporation common stock held by participants through direct investment were valued as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:88.194%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:64.569%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:15.750%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.429%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:15.752%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;December 31,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;2025&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;2024&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Olin Common Stock Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;26,901,921&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;42,871,537&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Self-directed brokerage investment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;380,548&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;405,922&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Total Olin common stock held through direct investment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;27,282,469&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;43,277,459&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Purchases and sales of Olin Common Stock included:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:88.194%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:64.569%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:15.750%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.429%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:15.752%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%"&gt;Years Ended December 31,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;2025&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;2024&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%"&gt;Purchases:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Olin Common Stock Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;5,736,914&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;5,474,212&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Self-Directed Brokerage Investment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;6,232,148&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;621,757&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%"&gt;Total Purchases&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;11,969,062&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;6,095,969&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%"&gt;Sales:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Olin Common Stock Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;5,348,064&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;15,756,568&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Self-Directed Brokerage Investment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;6,150,723&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;570,862&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%"&gt;Total Sales&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;11,498,787&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;16,327,430&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;The Olin Common Stock Fund is managed by State Street Investment Management (State Street).  Effective October 1, 2024, State Street and Empower Trust are custodians of the Plan&#x2019;s assets and Empower is the Plan&#x2019;s recordkeeper.  Prior to this date, State Street and Voya Trust were custodians of the Plan&#x2019;s Assets and Voya was the Plan&#x2019;s recordkeeper.  Fees paid to parties-in-interest primarily included recordkeeping and custodial fees and were as follows: &lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:88.194%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:64.569%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:15.750%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.429%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:15.752%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%"&gt;Years Ended December 31,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;2025&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;2024&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Empower/Empower Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;769,649&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;4,127&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Voya/Voya Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;467,921&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;State Street&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;60,000&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;74,383&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock>
    <oln:RelatedPartyAndPartyInInterestBalanceTabularDisclosureTableTextBlock contextRef="c-4" id="f-139">Shares of Olin Corporation common stock held by participants through direct investment were valued as follows:&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:88.194%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:64.569%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:15.750%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.429%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:15.752%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;December 31,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;2025&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;2024&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Olin Common Stock Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;26,901,921&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;42,871,537&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Self-directed brokerage investment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;380,548&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;405,922&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Total Olin common stock held through direct investment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;27,282,469&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;43,277,459&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</oln:RelatedPartyAndPartyInInterestBalanceTabularDisclosureTableTextBlock>
    <us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue contextRef="c-40" decimals="0" id="f-140" unitRef="usd">26901921</us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue>
    <us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue contextRef="c-41" decimals="0" id="f-141" unitRef="usd">42871537</us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue>
    <us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue contextRef="c-42" decimals="0" id="f-142" unitRef="usd">380548</us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue>
    <us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue contextRef="c-43" decimals="0" id="f-143" unitRef="usd">405922</us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue>
    <us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue contextRef="c-44" decimals="0" id="f-144" unitRef="usd">27282469</us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue>
    <us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue contextRef="c-45" decimals="0" id="f-145" unitRef="usd">43277459</us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue>
    <us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTableTextBlock contextRef="c-4" id="f-146">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Purchases and sales of Olin Common Stock included:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:88.194%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:64.569%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:15.750%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.429%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:15.752%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%"&gt;Years Ended December 31,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;2025&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;2024&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%"&gt;Purchases:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Olin Common Stock Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;5,736,914&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;5,474,212&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Self-Directed Brokerage Investment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;6,232,148&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;621,757&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%"&gt;Total Purchases&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;11,969,062&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;6,095,969&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%"&gt;Sales:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Olin Common Stock Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;5,348,064&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;15,756,568&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Self-Directed Brokerage Investment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;6,150,723&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;570,862&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:133%"&gt;Total Sales&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;11,498,787&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;16,327,430&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTableTextBlock>
    <oln:OlinCommonStockPurchasesAmount contextRef="c-46" decimals="0" id="f-147" unitRef="usd">5736914</oln:OlinCommonStockPurchasesAmount>
    <oln:OlinCommonStockPurchasesAmount contextRef="c-47" decimals="0" id="f-148" unitRef="usd">5474212</oln:OlinCommonStockPurchasesAmount>
    <oln:OlinCommonStockPurchasesAmount contextRef="c-48" decimals="0" id="f-149" unitRef="usd">6232148</oln:OlinCommonStockPurchasesAmount>
    <oln:OlinCommonStockPurchasesAmount contextRef="c-49" decimals="0" id="f-150" unitRef="usd">621757</oln:OlinCommonStockPurchasesAmount>
    <oln:OlinCommonStockPurchasesAmount contextRef="c-50" decimals="0" id="f-151" unitRef="usd">11969062</oln:OlinCommonStockPurchasesAmount>
    <oln:OlinCommonStockPurchasesAmount contextRef="c-51" decimals="0" id="f-152" unitRef="usd">6095969</oln:OlinCommonStockPurchasesAmount>
    <oln:OlinCommonStockSalesAmount contextRef="c-46" decimals="0" id="f-153" unitRef="usd">5348064</oln:OlinCommonStockSalesAmount>
    <oln:OlinCommonStockSalesAmount contextRef="c-47" decimals="0" id="f-154" unitRef="usd">15756568</oln:OlinCommonStockSalesAmount>
    <oln:OlinCommonStockSalesAmount contextRef="c-48" decimals="0" id="f-155" unitRef="usd">6150723</oln:OlinCommonStockSalesAmount>
    <oln:OlinCommonStockSalesAmount contextRef="c-49" decimals="0" id="f-156" unitRef="usd">570862</oln:OlinCommonStockSalesAmount>
    <oln:OlinCommonStockSalesAmount contextRef="c-50" decimals="0" id="f-157" unitRef="usd">11498787</oln:OlinCommonStockSalesAmount>
    <oln:OlinCommonStockSalesAmount contextRef="c-51" decimals="0" id="f-158" unitRef="usd">16327430</oln:OlinCommonStockSalesAmount>
    <oln:FeesPaidToPartiesInInterestTableTextBlock contextRef="c-4" id="f-159">Fees paid to parties-in-interest primarily included recordkeeping and custodial fees and were as follows: &lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:88.194%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:64.569%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:15.750%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.429%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:15.752%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%"&gt;Years Ended December 31,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;2025&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:133%"&gt;2024&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Empower/Empower Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;769,649&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;4,127&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;Voya/Voya Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;467,921&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;State Street&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;60,000&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:133%"&gt;74,383&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</oln:FeesPaidToPartiesInInterestTableTextBlock>
    <oln:FeesPaidToRelatedPartiesAndPartiesInInterest contextRef="c-52" decimals="0" id="f-160" unitRef="usd">769649</oln:FeesPaidToRelatedPartiesAndPartiesInInterest>
    <oln:FeesPaidToRelatedPartiesAndPartiesInInterest contextRef="c-53" decimals="0" id="f-161" unitRef="usd">4127</oln:FeesPaidToRelatedPartiesAndPartiesInInterest>
    <oln:FeesPaidToRelatedPartiesAndPartiesInInterest contextRef="c-54" decimals="0" id="f-162" unitRef="usd">0</oln:FeesPaidToRelatedPartiesAndPartiesInInterest>
    <oln:FeesPaidToRelatedPartiesAndPartiesInInterest contextRef="c-55" decimals="0" id="f-163" unitRef="usd">467921</oln:FeesPaidToRelatedPartiesAndPartiesInInterest>
    <oln:FeesPaidToRelatedPartiesAndPartiesInInterest contextRef="c-56" decimals="0" id="f-164" unitRef="usd">60000</oln:FeesPaidToRelatedPartiesAndPartiesInInterest>
    <oln:FeesPaidToRelatedPartiesAndPartiesInInterest contextRef="c-57" decimals="0" id="f-165" unitRef="usd">74383</oln:FeesPaidToRelatedPartiesAndPartiesInInterest>
    <oln:ChangeInRecordkeeperAndCustodianTextBlock contextRef="c-4" id="f-166">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;NOTE 6. CHANGE IN RECORDKEEPER AND CUSTODIAN&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Effective October 1, 2024, Empower and Empower Trust were appointed as recordkeeper and custodian of the Plan, respectively, replacing Voya and Voya Trust.  The Plan assets transferred to &lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;Empower Trust were transferred into funds identical or comparable to those offered by Voya Trust.  The conversion initiated a blackout period beginning September 26, 2024 which continued through October 18, 2024.  During this period, funds could not be applied to the employee-selected funds with Empower Trust or withdrawn from the Plan until Empower Trust had time to accurately complete the conversion from Voya Trust.  During this period, employee contributions continued to be made through payroll deductions and the contributions were deposited and held in the participant accounts.  At the end of the blackout period, these funds were transferred to Empower Trust and invested in funds as requested by each participant.  In addition, the Plan was amended to provide three additional investment funds in which participant contributions to the Plan may be invested.&lt;/span&gt;&lt;/div&gt;</oln:ChangeInRecordkeeperAndCustodianTextBlock>
    <oln:EmployeeBenefitPlanScheduleOfAssetsHeldTextBlockTextBlock contextRef="c-4" id="f-168">&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Olin Corporation Retirement Savings Plan&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;EIN 13-1872319, Plan No. 032&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;Schedule H, Line 4i &#x2014; Schedule of Assets (Held at End of Year)&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:120%"&gt;December&#160;31, 2025&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.861%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:2.655%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.356%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:42.154%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.356%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:16.702%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.356%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:16.702%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.356%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:14.063%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:133%"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:4pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;(b) Identity of issue, borrower, lessor, or similar party&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:4pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;(c) Description of investment including maturity date, rate of interest, collateral, par, or maturity value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:4pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;(e) Current value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Olin Common Stock Fund:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Olin Corporation common stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;1,291,304&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;26,901,921&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Collective trusts:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Galliard Managed Income Fund D&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;2,815,244&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;77,550,989&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;JPMCB Core Plus Bond&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;2,971,116&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;36,604,152&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 17.5pt;text-align:left;text-indent:-9pt;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Northern Trust All Country World ex-US Investable Market Index&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;264,784&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;52,662,967&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 17.5pt;text-align:left;text-indent:-9pt;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Northern Trust Extended Equity Market Index&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;81,898&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;18,147,027&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 17.5pt;text-align:left;text-indent:-9pt;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Northern Trust S&amp;amp;P 500 Index&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;819,939&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;260,535,622&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2010 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;1,122,408&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;27,992,855&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2015 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;427,989&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;11,701,209&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2020 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;1,314,921&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;39,250,402&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2025 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;2,300,957&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;75,379,335&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2030 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;3,309,588&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;119,740,898&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2035 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;3,137,024&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;124,477,146&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2040 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;2,394,682&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;101,965,561&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2045 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;2,015,000&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;89,304,800&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2050 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;1,783,540&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;79,617,215&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2055 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;2,167,828&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;96,859,899&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2060 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;155,584&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;4,462,146&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2065 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;48,137&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;864,541&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2070 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;51,569&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;565,192&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Mutual funds:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Artisan International Value Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;708,660&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;38,111,739&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Baird Aggregate Bond Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;4,781,873&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;47,531,821&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Capital Group American New Perspective Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;397,813&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;28,113,455&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Eaton Vance Atlanta Capital Small/Mid Cap Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;1,139,336&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;42,485,848&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;PIMCO All Asset Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;844,279&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;9,641,669&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;**&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Charles Schwab &amp;amp; Co., Inc.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Self-directed brokerage investment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;79,420,336&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Total investments, at fair value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;1,489,888,745&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 10pt;text-align:left;text-indent:-9pt;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Notes receivable from participants&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;3.25% - 9.50%, maturing through 2042&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:3pt double #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:3pt double #000;padding:2px 0;text-align:right;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;18,837,344&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="27" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;* Party-in-interest to the Plan.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="27" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;** The self-directed brokerage investment allows for direct investment in Olin Corporation, a party-in-interest to the Plan, common stock which included 18,269 shares with a value of $380,548.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="27" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Column (d), cost, has been omitted as all investments are participant directed.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</oln:EmployeeBenefitPlanScheduleOfAssetsHeldTextBlockTextBlock>
    <us-gaap-ebp:EbpPlanName contextRef="c-4" id="f-167">Olin Corporation Retirement Savings Plan</us-gaap-ebp:EbpPlanName>
    <dei:EntityTaxIdentificationNumber contextRef="c-4" id="f-169">13-1872319</dei:EntityTaxIdentificationNumber>
    <us-gaap-ebp:EmployeeBenefitPlanPlanNumber contextRef="c-4" id="f-170">032</us-gaap-ebp:EmployeeBenefitPlanPlanNumber>
    <us-gaap-ebp:EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock contextRef="c-4" id="f-171">&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.861%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:2.655%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.356%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:42.154%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.356%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:16.702%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.356%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:16.702%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.356%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:14.063%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:133%"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:4pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;(b) Identity of issue, borrower, lessor, or similar party&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:4pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;(c) Description of investment including maturity date, rate of interest, collateral, par, or maturity value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:4pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;(e) Current value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Olin Common Stock Fund:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Olin Corporation common stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;1,291,304&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;26,901,921&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Collective trusts:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Galliard Managed Income Fund D&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;2,815,244&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;77,550,989&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;JPMCB Core Plus Bond&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;2,971,116&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;36,604,152&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 17.5pt;text-align:left;text-indent:-9pt;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Northern Trust All Country World ex-US Investable Market Index&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;264,784&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;52,662,967&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 17.5pt;text-align:left;text-indent:-9pt;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Northern Trust Extended Equity Market Index&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;81,898&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;18,147,027&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 17.5pt;text-align:left;text-indent:-9pt;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Northern Trust S&amp;amp;P 500 Index&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;819,939&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;260,535,622&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2010 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;1,122,408&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;27,992,855&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2015 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;427,989&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;11,701,209&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2020 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;1,314,921&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;39,250,402&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2025 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;2,300,957&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;75,379,335&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2030 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;3,309,588&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;119,740,898&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2035 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;3,137,024&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;124,477,146&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2040 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;2,394,682&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;101,965,561&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2045 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;2,015,000&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;89,304,800&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2050 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;1,783,540&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;79,617,215&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2055 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;2,167,828&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;96,859,899&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2060 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;155,584&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;4,462,146&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2065 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;48,137&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;864,541&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;T. Rowe Price Retirement 2070 Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;51,569&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;565,192&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Mutual funds:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Artisan International Value Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;708,660&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;38,111,739&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Baird Aggregate Bond Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;4,781,873&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;47,531,821&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Capital Group American New Perspective Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;397,813&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;28,113,455&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Eaton Vance Atlanta Capital Small/Mid Cap Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;1,139,336&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;42,485,848&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.6pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;PIMCO All Asset Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;844,279&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;9,641,669&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;**&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Charles Schwab &amp;amp; Co., Inc.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Self-directed brokerage investment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;79,420,336&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:left;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Total investments, at fair value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;1,489,888,745&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 10pt;text-align:left;text-indent:-9pt;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;Notes receivable from participants&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;3.25% - 9.50%, maturing through 2042&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:3pt double #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:3pt double #000;padding:2px 0;text-align:right;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;18,837,344&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"&gt;&lt;div style="margin-bottom:0.06pt;text-align:right"&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="27" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;* Party-in-interest to the Plan.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="27" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:0.06pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:133%"&gt;** The self-directed brokerage investment allows for direct investment in Olin Corporation, a party-in-interest to the Plan, common stock which included 18,269 shares with a value of $380,548.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="27" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Column (d), cost, has been omitted as all investments are participant directed.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap-ebp:EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock>
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