<SEC-DOCUMENT>0001140361-11-042777.txt : 20110818
<SEC-HEADER>0001140361-11-042777.hdr.sgml : 20110818
<ACCEPTANCE-DATETIME>20110818171201
ACCESSION NUMBER:		0001140361-11-042777
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20110816
FILED AS OF DATE:		20110818
DATE AS OF CHANGE:		20110818

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MUELLER INDUSTRIES INC
		CENTRAL INDEX KEY:			0000089439
		STANDARD INDUSTRIAL CLASSIFICATION:	ROLLING DRAWING & EXTRUDING OF NONFERROUS METALS [3350]
		IRS NUMBER:				250790410
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1227

	BUSINESS ADDRESS:	
		STREET 1:		SUITE 150
		STREET 2:		8285 TOURNAMENT DRIVE
		CITY:			MEMPHIS
		STATE:			TN
		ZIP:			38125
		BUSINESS PHONE:		(901)753-3200

	MAIL ADDRESS:	
		STREET 1:		SUITE 150
		STREET 2:		8285 TOURNAMENT DRIVE
		CITY:			MEMPHIS
		STATE:			TN
		ZIP:			38125

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SHARON STEEL CORP
		DATE OF NAME CHANGE:	19910103

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LEUCADIA NATIONAL CORP
		CENTRAL INDEX KEY:			0000096223
		STANDARD INDUSTRIAL CLASSIFICATION:	LUMBER & WOOD PRODUCTS (NO FURNITURE) [2400]
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06770
		FILM NUMBER:		111045587

	BUSINESS ADDRESS:	
		STREET 1:		315 PARK AVE S
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10010
		BUSINESS PHONE:		2124601900

	MAIL ADDRESS:	
		STREET 1:		315 PARK AVENUE SOUTH
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10010

	FORMER NAME:	
		FORMER CONFORMED NAME:	TALCOTT NATIONAL CORP
		DATE OF NAME CHANGE:	19800603

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PHLCORP HOLDING LLC
		CENTRAL INDEX KEY:			0000230046
		STANDARD INDUSTRIAL CLASSIFICATION:	FINANCE SERVICES [6199]
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06770
		FILM NUMBER:		111045586

	BUSINESS ADDRESS:	
		STREET 1:		529 EAST SOUTH TEMPLE
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84102
		BUSINESS PHONE:		801 521-5400

	MAIL ADDRESS:	
		STREET 1:		529 EAST SOUTH TEMPLE
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84102

	FORMER NAME:	
		FORMER CONFORMED NAME:	PHLCORP INC
		DATE OF NAME CHANGE:	19920703

	FORMER NAME:	
		FORMER CONFORMED NAME:	BALDWIN UNITED CORP
		DATE OF NAME CHANGE:	19861119

	FORMER NAME:	
		FORMER CONFORMED NAME:	BALDWIN D H CO /DE/
		DATE OF NAME CHANGE:	19780228

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Baldwin Enterprises, Inc.
		CENTRAL INDEX KEY:			0001348269
		STATE OF INCORPORATION:			CO
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06770
		FILM NUMBER:		111045585

	BUSINESS ADDRESS:	
		STREET 1:		529 EAST SOUTH TEMPLE
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84102
		BUSINESS PHONE:		801-521-5400

	MAIL ADDRESS:	
		STREET 1:		529 EAST SOUTH TEMPLE
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84102

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BEI-Longhorn LLC
		CENTRAL INDEX KEY:			0001436565
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06770
		FILM NUMBER:		111045588

	BUSINESS ADDRESS:	
		STREET 1:		529 EAST SOUTH TEMPLE
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84102
		BUSINESS PHONE:		801 521-1000

	MAIL ADDRESS:	
		STREET 1:		529 EAST SOUTH TEMPLE
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84102

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BEI Arch Holdings, LLC
		CENTRAL INDEX KEY:			0001441371
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06770
		FILM NUMBER:		111045584

	BUSINESS ADDRESS:	
		STREET 1:		ATTN: CORINNE MAKI
		STREET 2:		529 EAST SOUTH TEMPLE
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84102
		BUSINESS PHONE:		801 524-1786

	MAIL ADDRESS:	
		STREET 1:		ATTN: CORINNE MAKI
		STREET 2:		529 EAST SOUTH TEMPLE
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84102
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0304</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-08-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000089439</issuerCik>
        <issuerName>MUELLER INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>MLI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000096223</rptOwnerCik>
            <rptOwnerName>LEUCADIA NATIONAL CORP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>315 PARK AVE SOUTH</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10010</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000230046</rptOwnerCik>
            <rptOwnerName>PHLCORP HOLDING LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>529 EAST SOUTH TEMPLE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SALT LAKE CITY</rptOwnerCity>
            <rptOwnerState>UT</rptOwnerState>
            <rptOwnerZipCode>84102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001348269</rptOwnerCik>
            <rptOwnerName>Baldwin Enterprises, Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>529 EAST SOUTH TEMPLE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SALT LAKE CITY</rptOwnerCity>
            <rptOwnerState>UT</rptOwnerState>
            <rptOwnerZipCode>84102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001441371</rptOwnerCik>
            <rptOwnerName>BEI Arch Holdings, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>529 EAST SOUTH TEMPLE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SALT LAKE CITY</rptOwnerCity>
            <rptOwnerState>UT</rptOwnerState>
            <rptOwnerZipCode>84102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001436565</rptOwnerCik>
            <rptOwnerName>BEI-Longhorn LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>529 EAST SOUTH TEMPLE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SALT LAKE CITY</rptOwnerCity>
            <rptOwnerState>UT</rptOwnerState>
            <rptOwnerZipCode>84102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-08-16</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>380000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>40.4171</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8159917</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Explanation</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-08-17</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>175000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>40.5688</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8334917</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Explanation</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Reflects weighted average per share purchase price of separately priced transactions at a range of $40.11-$41.11. Upon the request of the Commission or a security holder of the issuer, full information regarding the number of shares purchased at each separate price will be provided to the requesting party.</footnote>
        <footnote id="F2">Reflects shares of Mueller Industries, Inc. common stock directly owned by BEI-Longhorn, LLC (&quot;BEI Longhorn&quot;) and indirectly owned by BEI Arch Holdings, LLC (&quot;BEI Arch&quot;),  Baldwin Enterprises, Inc. (&quot;Baldwin&quot;), Phlcorp Holding LLC (&quot;Phlcorp&quot;) and Leucadia National Corporation (&quot;Leucadia&quot;).  BEI Longhorn is a wholly-owned subsidiary of BEI Arch, BEI Arch is a wholly-owned subsidiary of Baldwin, Baldwin is a wholly-owned subsidiary of Phlcorp and Phlcorp is a wholly-owned subsidiary of Leucadia. See Exhibit 99.1.</footnote>
        <footnote id="F3">Reflects weighted average per share purchase price of separately priced transactions at a range of $40.36-$40.92. Upon the request of the Commission or a security holder of the issuer, full information regarding the number of shares purchased at each separate price will be provided to the requesting party.</footnote>
    </footnotes>

    <remarks>See Exhibit 99.1 Joint Filer Information.</remarks>

    <ownerSignature>
        <signatureName>Leucadia National Corporation, /s/ Barbara L. Lowenthal, Vice President and Comptroller</signatureName>
        <signatureDate>2011-08-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
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<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>misc1.htm
<DESCRIPTION>MISCELLANEOUS EXHIBITS
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt">(1)&#160;&#160;Directly owned by BEI-Longhorn, LLC (&#8220;BEI Longhorn&#8221;).&#160;&#160;Indirectly owned by BEI Arch Holdings, LLC (&#8220;BEI Arch&#8221;),&#160;&#160;Baldwin Enterprises, Inc. (&#8220;Baldwin&#8221;), Phlcorp Holding LLC (&#8220;Phlcorp&#8221;) and Leucadia National Corporation (&#8220;Leucadia&#8221;).&#160;&#160;BEI Longhorn is a wholly-owned subsidiary of BEI Arch, BEI Arch is a wholly-owned subsidiary of Baldwin, Baldwin is a wholly-owned subsidiary of Phlcorp and Phlcorp is a wholly-owned subsidiary of Leucadia.</font></div>

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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">529 East South Temple</font></div>
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<font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt">Dated:&#160;&#160;August 18, 2011</font></div>

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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt">(1)&#160;&#160;Directly owned by BEI-Longhorn, LLC (&#8220;BEI Longhorn&#8221;).&#160;&#160;Indirectly owned by BEI Arch Holdings, LLC (&#8220;BEI Arch&#8221;),&#160;&#160;Baldwin Enterprises, Inc. (&#8220;Baldwin&#8221;), Phlcorp Holding LLC (&#8220;Phlcorp&#8221;) and Leucadia National Corporation (&#8220;Leucadia&#8221;).&#160;&#160;BEI Longhorn is a wholly-owned subsidiary of BEI Arch, BEI Arch is a wholly-owned subsidiary of Baldwin, Baldwin is a wholly-owned subsidiary of Phlcorp and Phlcorp is a wholly-owned subsidiary of Leucadia.</font></div>

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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">Issuer Name and Ticker or Trading Symbol:</font></div>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">Mueller Industries, Inc.</font></div>
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<td valign="top" width="50%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">(MLI)</font></div>
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<td valign="top" width="50%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
<td valign="top" width="50%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
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<td align="left" valign="top" width="50%">
<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">Relationship of Joint Filer to Issuer:</font></div>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">10% Owner (1)</font></div>
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<td valign="top" width="50%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
<td valign="top" width="50%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
</tr><tr>
<td align="left" valign="top" width="50%">
<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">Date of Event Requiring Statement:</font></div>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">August 16, 2011</font></div>
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<td valign="top" width="50%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
</tr><tr>
<td align="left" valign="top" width="50%">
<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">Designated Filer:</font></div>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">Leucadia National Corporation</font></div>
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<td valign="top" width="50%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
<td valign="top" width="50%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt; FONT-WEIGHT: bold">Signature:</font></div>

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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt">BEI ARCH HOLDINGS, LLC</font></div>

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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">By:</font></div>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">&#160;&#160;/s/&#160;&#160;Barbara L. Lowenthal</font></div>
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<td valign="top" width="21%" style="PADDING-BOTTOM: 2px"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
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<td valign="top" width="3%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">Name:</font></div>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">Barbara L. Lowenthal</font></div>
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<td valign="top" width="21%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
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<td valign="top" width="3%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
<td align="left" valign="top" width="5%">
<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">Title:</font></div>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">Vice President</font></div>
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<td valign="top" width="51%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
<td valign="top" width="21%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
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<br>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt">Dated:&#160;&#160;August 18, 2011</font></div>

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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt">(1)&#160;&#160;Directly owned by BEI-Longhorn, LLC (&#8220;BEI Longhorn&#8221;).&#160;&#160;Indirectly owned by BEI Arch Holdings, LLC (&#8220;BEI Arch&#8221;),&#160;&#160;Baldwin Enterprises, Inc. (&#8220;Baldwin&#8221;), Phlcorp Holding LLC (&#8220;Phlcorp&#8221;) and Leucadia National Corporation (&#8220;Leucadia&#8221;).&#160;&#160;BEI Longhorn is a wholly-owned subsidiary of BEI Arch, BEI Arch is a wholly-owned subsidiary of Baldwin, Baldwin is a wholly-owned subsidiary of Phlcorp and Phlcorp is a wholly-owned subsidiary of Leucadia.</font></div>

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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">Name and Address of Reporting Person:</font></div>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">BEI-Longhorn, LLC</font></div>
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<td valign="top" width="50%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">529 East South Temple</font></div>
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<td valign="top" width="50%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">Salt Lake City, Utah 84102</font></div>
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<td valign="top" width="50%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
<td valign="top" width="50%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
</tr><tr>
<td align="left" valign="top" width="50%">
<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">Issuer Name and Ticker or Trading Symbol:</font></div>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">Mueller Industries, Inc.</font></div>
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<td valign="top" width="50%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
<td align="left" valign="top" width="50%">
<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">(MLI)</font></div>
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<td valign="top" width="50%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
</tr><tr>
<td align="left" valign="top" width="50%">
<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">Relationship of Joint Filer to Issuer:</font></div>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">10% Owner (1)</font></div>
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<td valign="top" width="50%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
<td valign="top" width="50%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">Date of Event Requiring Statement:</font></div>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">August 16, 2011</font></div>
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<td valign="top" width="50%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
</tr><tr>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">Designated Filer:</font></div>
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<td align="left" valign="top" width="50%">
<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">Leucadia National Corporation</font></div>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt; FONT-WEIGHT: bold">Signature:</font></div>

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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt">By: BEI Arch Holdings, LLC</font></div>

<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 36pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt">Its Sole Member</font></div>

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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt">By:&#160;&#160;Baldwin Enterprises, Inc.</font></div>

<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 36pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt">Its Sole Member</font></div>

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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">By:</font></div>
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<td align="left" colspan="2" valign="top" width="25%" style="BORDER-BOTTOM: black 2px solid">
<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">&#160;&#160;/s/&#160;&#160;Barbara L. Lowenthal</font></div>
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<td valign="top" width="3%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">Name:</font></div>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 12pt">Barbara L. Lowenthal</font></div>
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<div style="LINE-HEIGHT: 13.7pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt">(1)&#160;&#160;Directly owned by BEI-Longhorn, LLC (&#8220;BEI Longhorn&#8221;).&#160;&#160;Indirectly owned by BEI Arch Holdings, LLC (&#8220;BEI Arch&#8221;),&#160;&#160;Baldwin Enterprises, Inc. (&#8220;Baldwin&#8221;), Phlcorp Holding LLC (&#8220;Phlcorp&#8221;) and Leucadia National Corporation (&#8220;Leucadia&#8221;).&#160;&#160;BEI Longhorn is a wholly-owned subsidiary of BEI Arch, BEI Arch is a wholly-owned subsidiary of Baldwin, Baldwin is a wholly-owned subsidiary of Phlcorp and Phlcorp is a wholly-owned subsidiary of Leucadia.</font></div>

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