<SEC-DOCUMENT>0001641172-25-001702.txt : 20250331
<SEC-HEADER>0001641172-25-001702.hdr.sgml : 20250331
<ACCEPTANCE-DATETIME>20250331160537
ACCESSION NUMBER:		0001641172-25-001702
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240502
FILED AS OF DATE:		20250331
DATE AS OF CHANGE:		20250331

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			1597257 Ontario Inc.
		CENTRAL INDEX KEY:			0001517831
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			A6
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38076
		FILM NUMBER:		25793163

	BUSINESS ADDRESS:	
		STREET 1:		C/O ONEX CORPORATION, 161 BAY STREET
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5J 2S1
		BUSINESS PHONE:		416-362-7711

	MAIL ADDRESS:	
		STREET 1:		C/O ONEX CORPORATION, 161 BAY STREET
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5J 2S1

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			OPV Gem Aggregator LP
		CENTRAL INDEX KEY:			0001817205
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38076
		FILM NUMBER:		25793158

	BUSINESS ADDRESS:	
		STREET 1:		C/O ONEX CORPORATION
		STREET 2:		161 BAY STREET
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M51 2S1
		BUSINESS PHONE:		(416) 362-7711

	MAIL ADDRESS:	
		STREET 1:		C/O ONEX CORPORATION
		STREET 2:		161 BAY STREET
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M51 2S1

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			New PCo II Investments, Ltd.
		CENTRAL INDEX KEY:			0001593408
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			A6
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38076
		FILM NUMBER:		25793162

	BUSINESS ADDRESS:	
		STREET 1:		C/O ONEX CORPORATION
		STREET 2:		161 BAY STREET
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5J 2S1
		BUSINESS PHONE:		(416) 874-1213

	MAIL ADDRESS:	
		STREET 1:		C/O ONEX CORPORATION
		STREET 2:		161 BAY STREET
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5J 2S1

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Onex Advisor Subco III LLC
		CENTRAL INDEX KEY:			0001695911
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38076
		FILM NUMBER:		25793161

	BUSINESS ADDRESS:	
		STREET 1:		ONEX CORPORATION 712 FIFTH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		2125822211

	MAIL ADDRESS:	
		STREET 1:		ONEX CORPORATION 712 FIFTH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Onex OP V Holdings SARL
		CENTRAL INDEX KEY:			0002002606
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			N4
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38076
		FILM NUMBER:		25793164

	BUSINESS ADDRESS:	
		STREET 1:		C/O ONEX CORPORATION
		STREET 2:		161 BAY STREET
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5J 2S1
		BUSINESS PHONE:		(416) 362-7711

	MAIL ADDRESS:	
		STREET 1:		C/O ONEX CORPORATION
		STREET 2:		161 BAY STREET
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5J 2S1

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Onex Partners Canadian GP Inc.
		CENTRAL INDEX KEY:			0001817206
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			A6
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38076
		FILM NUMBER:		25793160

	BUSINESS ADDRESS:	
		STREET 1:		C/O ONEX CORPORATION
		STREET 2:		161 BAY STREET
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M51 2S1
		BUSINESS PHONE:		(416) 362-7711

	MAIL ADDRESS:	
		STREET 1:		C/O ONEX CORPORATION
		STREET 2:		161 BAY STREET
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M51 2S1

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Onex Partners V GP Ltd
		CENTRAL INDEX KEY:			0001817315
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38076
		FILM NUMBER:		25793159

	BUSINESS ADDRESS:	
		STREET 1:		C/O ONEX CORPORATION
		STREET 2:		161 BAY STREET
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M51 2S1
		BUSINESS PHONE:		(416) 362-7711

	MAIL ADDRESS:	
		STREET 1:		C/O ONEX CORPORATION
		STREET 2:		161 BAY STREET
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M51 2S1

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Onex Partners Holdings LLC
		CENTRAL INDEX KEY:			0001838066
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38076
		FILM NUMBER:		25793165

	BUSINESS ADDRESS:	
		STREET 1:		C/O ONEX PARTNERS MANAGER LP
		STREET 2:		712 FIFTH AVENUE, 40TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		(212) 582-2211

	MAIL ADDRESS:	
		STREET 1:		C/O ONEX PARTNERS MANAGER LP
		STREET 2:		712 FIFTH AVENUE, 40TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Onex Private Equity Holdings LLC
		CENTRAL INDEX KEY:			0001838067
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38076
		FILM NUMBER:		25793166

	BUSINESS ADDRESS:	
		STREET 1:		C/O ONEX PARTNERS MANAGER LP
		STREET 2:		712 FIFTH AVENUE, 40TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		(212) 582-2211

	MAIL ADDRESS:	
		STREET 1:		C/O ONEX PARTNERS MANAGER LP
		STREET 2:		712 FIFTH AVENUE, 40TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Emerald Holding, Inc.
		CENTRAL INDEX KEY:			0001579214
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		ORGANIZATION NAME:           	07 Trade & Services
		EIN:				421775077
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		31910 DEL OBISPO STREET
		STREET 2:		SUITE 200
		CITY:			SAN JUAN CAPISTRANO
		STATE:			CA
		ZIP:			92675
		BUSINESS PHONE:		949-226-5700

	MAIL ADDRESS:	
		STREET 1:		31910 DEL OBISPO STREET
		STREET 2:		SUITE 200
		CITY:			SAN JUAN CAPISTRANO
		STATE:			CA
		ZIP:			92675

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Emerald Expositions Events, Inc.
		DATE OF NAME CHANGE:	20170330

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Expo Event Holdco, Inc.
		DATE OF NAME CHANGE:	20130613
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-05-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001579214</issuerCik>
        <issuerName>Emerald Holding, Inc.</issuerName>
        <issuerTradingSymbol>EEX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001838067</rptOwnerCik>
            <rptOwnerName>Onex Private Equity Holdings LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>161 BAY STREET, P.O. BOX 700</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>M5J 2S1</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001838066</rptOwnerCik>
            <rptOwnerName>Onex Partners Holdings LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ONEX CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>161 BAY STREET, P.O. BOX 700</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>M5J 2S1</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002002606</rptOwnerCik>
            <rptOwnerName>Onex OP V Holdings SARL</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ONEX CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>161 BAY STREET, P.O. BOX 700</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>M5J 2S1</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001517831</rptOwnerCik>
            <rptOwnerName>1597257 Ontario Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ONEX CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>161 BAY STREET, P.O. BOX 700</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>M5J 2S1</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001593408</rptOwnerCik>
            <rptOwnerName>New PCo II Investments, Ltd.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ONEX CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>161 BAY STREET, P.O. BOX 700</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>M5J 2S1</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001695911</rptOwnerCik>
            <rptOwnerName>Onex Advisor Subco III LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ONEX CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>161 BAY STREET, P.O. BOX 700</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>M5J 2S1</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001817206</rptOwnerCik>
            <rptOwnerName>Onex Partners Canadian GP Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ONEX CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>161 BAY STREET, P.O. BOX 700</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>M5J 2S1</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001817315</rptOwnerCik>
            <rptOwnerName>Onex Partners V GP Ltd</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ONEX CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>161 BAY STREET, P.O. BOX 700</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>M5J 2S1</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001817205</rptOwnerCik>
            <rptOwnerName>OPV Gem Aggregator LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ONEX CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>161 BAY STREET, P.O. BOX 700</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>M5J 2S1</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-05-02</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>137461868</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>184520200</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Series A Convertible Participating Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2024-05-02</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>69718919</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>137461868</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The Series A Convertible Participating Preferred Stock (the &quot;Series A Preferred Stock&quot;) was held directly by OPV Gem Aggregator LP and convertible into a number of shares of Common Stock that is equal to the amount of the accreted liquidation preference per share of Series A Preferred Stock divided by the conversion price then in effect. On May 2, 2024, the Issuer mandatorily converted all of the outstanding Series A Preferred Stock into Common Stock. As a result, all of the Series A Preferred Stock held of record by OPV Gem Aggregator LP automatically converted into 137,461,868 shares of Common Stock.</footnote>
        <footnote id="F2">Includes: (i) 33,135,329 shares of Common Stock held of record by Onex Partners III LP, (ii) 1,377,397 shares of Common Stock held of record by Onex Partners III GP LP, (iii) 423,159 shares of Common Stock held of record by Onex US Principals LP, (iv) 420,116 shares of Common Stock held of record by Onex Partners III PV LP, (v) 11,125,186 shares of Common Stock held of record by Onex OP V Holdings SARL, (vi) 106,562 shares of Common Stock held of record by Onex Partners III Select LP, (vii) 470,583 shares of Common Stock held of record by Onex Advisor Subco III LLC, and (viii) 137,461,868 shares of Common Stock held of record by OPV Gem Aggregator LP.</footnote>
        <footnote id="F3">Onex Corporation, a corporation whose subordinated voting shares are traded on the Toronto Stock Exchange, and/or Mr. Gerald W. Schwartz, may be deemed to beneficially own the Common Stock held of record by (a) Onex Partners III LP, Onex Partners III Select LP, and Onex Partners III PV LP through Onex Corporation's direct ownership and control of Onex Partners GP Inc., the general partner of Onex Partners III GP LP, the general partner of each of Onex Partners III LP, Onex Partners III Select LP, and Onex Partners III PV LP (b) Onex Partners III GP LP, through Onex Corporation's ownership of all of the equity of Onex Partners GP Inc., the general partner of Onex Partners III GP LP, (c) Onex US Principals LP, through Onex Corporation's ownership of all of the equity of Onex Private Equity Holdings LLC (&quot;OPEH&quot;), which owns all of the equity of Onex American Holdings GP LLC, the general partner of Onex US Principals LP,</footnote>
        <footnote id="F4">(continued) (d) Onex OP V Holdings SARL, through Onex Corporation's ownership of all of the equity of OPEH, which owns all of the equity of Onex American Holdings Subco LLC, which controls Onex Partners Holdings LLC, which in turn owns all of the outstanding equity of Onex OP V Holdings SARL; (e) Onex Advisor Subco III LLC, through Gerald W. Schwartz's indirect control of 1597257 Ontario Inc., which owns all of the voting equity of New PCo II Investments Ltd., which owns all of the equity interest of Onex Advisor Subco III LLC; and (f) OPV Gem Aggregator LP, through Onex Corporation's ownership of all of the equity of Onex Partners Canadian GP Inc., which owns all of the equity of Onex Partners V GP Limited, which is the general partner of OPV Gem Aggregator LP.</footnote>
        <footnote id="F5">Mr. Gerald W. Schwartz, the Chairman of Onex Corporation, indirectly owns shares representing a majority of the voting rights of the shares of Onex Corporation and as such may be deemed to beneficially own all of the Common Stock beneficially owned by Onex Corporation. Each of these entities and Mr. Schwartz disclaims such beneficial ownership except to the extent of their pecuniary interest therein.</footnote>
    </footnotes>

    <remarks>Due to the limitations of the electronic filing system, Onex Corporation, Gerald W. Schwartz, Onex Partners GP Inc., Onex Partners III GP LP, Onex Partners III LP, Onex Partners III PV LP, Onex Partners III Select LP, Onex American Holdings II LLC, Onex American Holdings GP LLC and Onex US Principals LP are filing a separate Form 4.</remarks>

    <ownerSignature>
        <signatureName>Onex Private Equity Holdings LLC, By: /s/ Amir Motamedi, Director</signatureName>
        <signatureDate>2025-03-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Onex Partners Holdings LLC, By: Onex Private Equity Holdings LLC, By: /s/ Amir Motamedi, Director</signatureName>
        <signatureDate>2025-03-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Onex OP V Holdings SARL, By: /s/ Amir Motamedi, Type A Manager and /s/ Sascha Groll, Type B Manager</signatureName>
        <signatureDate>2025-03-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>1597257 Ontario Inc., By: /s/ Michelle Iskander, Secretary</signatureName>
        <signatureDate>2025-03-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>New PCO II Investments LTD., By: /s/ Michelle Iskander, Secretary</signatureName>
        <signatureDate>2025-03-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Onex Advisor Subco III LLC, By: /s/ Joel Greenberg, Director</signatureName>
        <signatureDate>2025-03-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Onex Partners Canadian GP Inc., By: /s/ David Copeland, Vice President and /s/ Derek MacKay, Vice President</signatureName>
        <signatureDate>2025-03-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Onex Partners V GP Limited, By: /s/ Kosty Gilis, Authorized Person</signatureName>
        <signatureDate>2025-03-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>OPV GEM Aggregator LP., By: Onex Partners V GP Limited, its General Partner, By: /s/ Kosty Gilis, Authorized Person</signatureName>
        <signatureDate>2025-03-31</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
