<SEC-DOCUMENT>0000089439-21-000041.txt : 20210527
<SEC-HEADER>0000089439-21-000041.hdr.sgml : 20210527
<ACCEPTANCE-DATETIME>20210527120059
ACCESSION NUMBER:		0000089439-21-000041
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		2
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20201231
</ITEM>
<ITEM>
<ITEM-NUMBER>1.02
<ITEM-PERIOD>20201231
</ITEM>
</RULE>
FILED AS OF DATE:		20210527
DATE AS OF CHANGE:		20210527

FILER:

	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:			1225

	FILING VALUES:
		FORM TYPE:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06770
		FILM NUMBER:		21970149

	BUSINESS ADDRESS:	
		STREET 1:		SUITE 100
		STREET 2:		150 SCHILLING BOULEVARD
		CITY:			COLLIERVILLE
		STATE:			TN
		ZIP:			38017
		BUSINESS PHONE:		(901)753-3200

	MAIL ADDRESS:	
		STREET 1:		SUITE 100
		STREET 2:		150 SCHILLING BOULEVARD
		CITY:			COLLIERVILLE
		STATE:			TN
		ZIP:			38017

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SHARON STEEL CORP
		DATE OF NAME CHANGE:	19910103
</SEC-HEADER>
<DOCUMENT>
<TYPE>SD
<SEQUENCE>1
<FILENAME>a2020conflictminerals.htm
<DESCRIPTION>SD
<TEXT>
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<title>Document</title></head><body><div id="id572c9c1d9ff403d9b0a790d3e0fe213_1"></div><div style="min-height:42.75pt;width:100%"><div><font><br></font></div></div><div><font><br></font></div><div><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">UNITED STATES</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">SECURITIES AND EXCHANGE COMMISSION</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Washington, D.C. 20549</font></div><div><font><br></font></div><div><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">FORM SD</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Specialized Disclosure Report</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;text-decoration:underline">&#160;&#160;&#160;MUELLER INDUSTRIES, INC.</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(Exact name of registrant as specified in its charter)</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="margin-top:5pt;text-align:center"><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:29.583%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:37.533%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:29.584%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">&#160;Delaware</font></div></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">&#160;&#160;1-6770</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">&#160;&#160;25-0790410</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(State or other</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(Commission File</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(IRS Employer</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">jurisdiction of</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Number)</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Identification No.)</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">incorporation)</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td></tr></table></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="margin-top:5pt;text-align:center"><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:68.441%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:29.359%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">150 Schilling Boulevard, Suite 100<br>Collierville, TN</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">38017</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(Address of principal executive offices)</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(Zip Code)</font></td></tr></table></div><div><font><br></font></div><div><font><br></font></div><div style="margin-top:5pt;text-align:center"><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:98.900%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">Christopher J. Miritello</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">(901) 753-3200</font></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(Name and telephone number, including area code, of the person to contact in connection with this report.)</font></td></tr></table></div><div><font><br></font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Check the appropriate box to indicate the rule pursuant to which this form is being filed, and provide the period to which the information in this form applies&#58;</font></div><div style="text-align:justify;text-indent:29.25pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="margin-top:5pt;text-align:center"><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:6.281%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:91.519%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#9746;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Rule 13p-1 under the Securities Exchange Act (17 CFR 240.13p-1) for the reporting period from January&#160;1 to December&#160;31,&#160;2020.</font></td></tr></table></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div><div id="id572c9c1d9ff403d9b0a790d3e0fe213_4"></div><hr style="page-break-after:always"><div style="min-height:42.75pt;width:100%"><div><font><br></font></div></div><div style="-sec-extract:summary;margin-top:5pt;text-align:center"><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:98.900%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Section 1 - Conflict Minerals Disclosure</font></td></tr></table></div><div><font><br></font></div><div style="margin-top:5pt;text-align:center"><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:19.345%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:78.455%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Item 1.01</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Conflict Minerals Disclosure and Report</font></td></tr></table></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">A copy of the Registrant's Conflict Minerals Disclosure is filed as Exhibit 1.01 hereto and is publicly available at the Company's website at www.muellerindustries.com, select Investors, and then select SEC filings.</font></div><div><font><br></font></div><div style="margin-top:5pt;text-align:center"><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:19.345%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:78.455%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Item 1.02</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Exhibits</font></td></tr></table></div><div><font><br></font></div><div><font><br></font></div><div style="margin-top:5pt;text-align:center"><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:98.900%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:justify;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Section 2 - Exhibits</font></td></tr></table></div><div><font><br></font></div><div style="margin-top:5pt;text-align:center"><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:19.345%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:78.455%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Item 2.01</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Exhibits</font></td></tr></table></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The following exhibit is filed as part of this report&#58;</font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Exhibit 1.01 - Conflict Minerals Disclosure as required by Items 1.01 and 1.02 of this form.</font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="-sec-extract:summary;text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">2</font></div></div></div><hr style="page-break-after:always"><div style="min-height:42.75pt;width:100%"><div><font><br></font></div></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">SIGNATURES</font></div><div style="text-align:justify;text-indent:38.25pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this Report to be signed on its behalf by the duly authorized undersigned.</font></div><div style="margin-top:5pt;text-align:center"><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:7.256%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:56.142%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:33.302%"></td><td style="width:0.1%"></td></tr><tr><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">MUELLER INDUSTRIES, INC.</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">By&#58;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#47;</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">s&#47; CHRISTOPHER J. MIRITELLO</font></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Date&#58; </font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">May 27, 2021</font></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Name&#58;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Christopher J. Miritello</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Title&#58;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Vice President, General Counsel and Secretary</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td></tr></table></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="-sec-extract:summary;text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3</font></div></div></div><hr style="page-break-after:always"><div style="min-height:42.75pt;width:100%"><div><font><br></font></div></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Exhibit Index</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="margin-top:5pt;text-align:center"><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:12.251%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:85.549%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">Exhibit No.</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">Description</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1.01</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="exhibit101-2020formsd.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">Conflict Minerals Disclosure for the year ended December 31, 2020</a></font></div></td></tr></table></div><div><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div><font><br></font></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="-sec-extract:summary;text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">4</font></div></div></div></body></html>
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<title>Document</title></head><body><div id="i03debb0c3ea645169500de0808a37372_1"></div><div style="min-height:42.75pt;width:100%"><div><font><br></font></div></div><div style="padding-right:4.5pt;text-align:right"><font style="color:#3a3a3a;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">Exhibit 1.01</font></div><div><font><br></font></div><div><font><br></font></div><div style="text-align:center"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">Mueller Industries, Inc.</font></div><div style="text-align:center"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">Conflict Minerals Disclosure</font></div><div style="text-align:center"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">For The Year Ended December 31, 2020</font></div><div><font><br></font></div><div><font><br></font></div><div style="padding-left:27pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:144%">1.</font><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:144%;padding-left:10.5pt">Overview</font></div><div><font><br></font></div><div style="padding-left:9pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">This report has been prepared by Mueller Industries, Inc. pursuant to Rule 13p-1 (the Rule) promulgated under the Securities Exchange Act of 1934 (the 1934 Act), as amended.  As used in this report, the terms &#34;Company,&#34; &#34;Mueller,&#34; &#34;we,&#34; &#34;us,&#34; or &#34;our&#34; mean Mueller Industries, Inc. and its consolidated subsidiaries taken as a whole, unless  the  context  indicates  otherwise.  The Company is a leading manufacturer of copper, brass, aluminum, and plastic products</font><font style="color:#4b4b4b;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">.  </font><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">The range of these products is broad&#58; copper tube and fittings&#59; line sets&#59; PEX plastic tube and fittings&#59; steel nipples&#59; brass and copper alloy rod, bar, and shapes&#59; aluminum and brass forgings&#59; aluminum impact extrusions&#59; compressed gas valves&#59; refrigeration valves and fittings&#59; fabricated tubular products&#59; pressure vessels&#59; coaxial heat exchangers&#59; insulated flexible duct systems&#59; brazed manifolds&#59; headers&#59; and distributor assemblies.  We conducted an analysis of our products to determine the presence of subject minerals - tin, tantalum, tungsten and&#47;or gold (3TG). Our analysis indicated that only small quantities of tin are found in a sma11 percentage of our products.  Mueller makes no purchases of raw ore or unrefined conflict minerals in the Covered Countries.</font></div><div style="padding-left:9pt"><font><br></font></div><div style="padding-left:9pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:144%">Conflict Minerals Policy</font></div><div style="padding-left:9pt"><font><br></font></div><div style="padding-left:9pt"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">We have adopted a conflict minerals policy which is publicly available on our website at www.muellerindustries.com.</font></div><div style="padding-left:9pt"><font><br></font></div><div style="padding-left:9pt"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:144%">Grievance Mechanism</font></div><div style="padding-left:9pt;text-align:justify"><font><br></font></div><div style="padding-left:9pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">We have well established processes to allow interested parties to contact </font><font style="color:#3a3a3a;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">us.  </font><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">These processes are described at www.muellerindustries.com.</font></div><div style="padding-left:9pt"><font><br></font></div><div style="padding-left:9pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:144%">Supply Chain</font></div><div style="padding-left:9pt"><font><br></font></div><div style="padding-left:9pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">Certain products that we manufacture contain parts from several direct suppliers.  We have relationships with a network of suppliers throughout  the  world  and  there  are  generally  multiple  tiers  between  the  3TG  mines  and  our  direc</font><font style="color:#050505;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">t </font><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">suppliers. Therefore, we must rely on our direct suppliers to work with their upstream suppliers in order that they may provide us with accurate information about the origin of 3TG in the components we purchase.  As we enter into new contracts or renew existing contracts, we are adding a clause that requires suppliers to identify the source of 3TG.</font></div><div style="padding-left:9pt"><font><br></font></div><div style="padding-left:9pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">Because of the complexity and size of our supply chain, we developed a risk-based approach that focused on suppliers that we believed could possibly provide us with components and raw materials containing 3TG from the Covered Countries, as defined in the Rule.  We believe this was a reasonable approach because there is relatively little variation in our largest direct suppliers from year to year.</font></div><div style="padding-left:9pt"><font><br></font></div><div style="padding-left:9pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">We requested that all identified suppliers provide information to us regarding 3TG and smelters using the template developed by the Electronic Industry Citizenship Coalition&#174; (EICC&#174;) and The Global e-Sustainability Initiative (GeSI), known as the EICC-GeSI Conflict Minerals Reporting Template (the Template).  The Template was developed to facilitate disclosure and communication of information regarding smelters and refiners that provide material to a manufacturer&#8217;s supply chain.  It </font></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">1</font></div></div></div><hr style="page-break-after:always"><div style="min-height:42.75pt;width:100%"><div><font><br></font></div></div><div style="padding-left:9pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">includes questions regarding a direct supplier's conflict-free policy, its due diligence process, and information about  its supply chain such as the names and locations of smelters and refiners as well as the origin of 3TG used by those facilities.</font></div><div style="padding-left:9pt"><font><br></font></div><div style="padding-left:9pt"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:144%">Efforts to Determine Mine or Location of Origin</font></div><div style="padding-left:9pt"><font><br></font></div><div style="padding-left:9pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">We have determined that requesting our suppliers to complete the Template represents our reasonable best effort</font><font style="color:#050505;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">s </font><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">to determine the mines or locations of origin of 3TG in our supply chain.  We have reached this conclusion in part as a resu</font><font style="color:#545454;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">lt </font><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">of participation in the Conflict-Free Sourcing Initiative (CFSI), an initiative of EICC and GeSI, the International Tin Research Institute Tin Supply Chain Initiative (iTSCi), and the OECD 3T and gold pilot implementation programs.</font></div><div style="padding-left:9pt;text-align:justify"><font><br></font></div><div style="padding-left:9pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:144%">Smelters or Refiners and Country of Origin of 3TG</font></div><div style="padding-left:9pt"><font><br></font></div><div style="padding-left:9pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">The vast majority of suppliers from which we requested information indica</font><font style="color:#050505;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">ted </font><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">in their response that the information provided was at a company or divisional level and did not include a list of smelters.</font></div><div style="padding-left:9pt"><font><br></font></div><div style="padding-left:9pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">No suppliers indicated that any components they provided to us contained mineral(s) from the DRC or Surrounding Countries.</font></div><div style="padding-left:9pt"><font><br></font></div><div style="padding-left:9pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:144%">Conclusion</font></div><div style="padding-left:9pt"><font><br></font></div><div style="padding-left:9pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">The Company has completed an investigation into 99% of its supply chain and has not discovered any conflict minerals.  Further, the Company currently has no basis to believe that the remaining 1% of the supply chain will uncover the use of any conflict minerals.</font></div><div style="padding-left:4.5pt;padding-right:6.75pt;text-align:justify"><font><br></font></div><div style="padding-left:27pt;padding-right:6.75pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:144%">2.</font><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:144%;padding-left:10.5pt">Due Diligence</font></div><div style="padding-left:4.5pt;padding-right:6.75pt;text-align:justify"><font><br></font></div><div style="padding-left:9pt"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:144%">Design of Due Diligence</font></div><div style="padding-left:9pt;padding-right:6.75pt;text-align:justify"><font><br></font></div><div style="padding-left:9pt;padding-right:6.75pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">Our due diligence measures have been designed to conform, </font><font style="color:#464646;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">in all </font><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">material respects, with the due diligence framework presented by The Organization for Economic Co-operation and Development (OECD) in the publication </font><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:144%">OECD (2013) Due Diligence Guidance for Responsible Supply Chains of Minerals from Conflict-Affected and High-Risk Areas&#58; Second Edition, OECD Publishing </font><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">(OECD Guidance) and the related Supplements for gold and for tin, tantalum and tungsten.</font></div><div style="padding-left:9pt;padding-right:6.75pt;text-align:justify"><font><br></font></div><div style="padding-left:9pt;padding-right:6.75pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:144%">Due Diligence Performed</font></div><div style="padding-left:9pt;padding-right:330.75pt"><font><br></font></div><div style="padding-left:9pt;padding-right:330.75pt"><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%;text-decoration:underline">MANAGEMENT SYSTEMS</font></div><div style="margin-top:1pt;padding-left:9pt;padding-right:4.5pt"><font><br></font></div><div style="margin-top:1pt;padding-left:9pt;padding-right:4.5pt"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">We have adopted a conflict minerals policy related to our sourcing of 3TG.</font></div><div style="margin-top:1pt;padding-left:9pt;padding-right:4.5pt"><font><br></font></div><div style="margin-top:1pt;padding-left:9pt;padding-right:4.5pt"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:144%">Internal Team</font></div><div style="margin-top:1pt;padding-left:9pt;padding-right:4.5pt"><font><br></font></div><div style="margin-top:1pt;padding-left:9pt;padding-right:6.75pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">We have established a management system to support supply chain due diligence related to 3TG.  Our management system includes an executive oversight committee sponsored by the Vice President - Secretary and General Counsel.  The other members of the executive oversight committee are the Vice President - Controller and the Corporate Director - Environmental, Health and Safety.  Further, buyers, engineers and managers from the Company's business units, as well as others on an ad hoc basis, were utilized in the identification of their respective suppliers.  This team of subject matter experts, under the direction of the Corporate Director - Environmental, Health and Safety, was responsible for implementing our conflict minerals compliance strategy.</font></div><div style="text-align:justify"><font><br></font></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">2</font></div></div></div><hr style="page-break-after:always"><div style="min-height:42.75pt;width:100%"><div><font><br></font></div></div><div style="padding-left:9pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:144%">Control Systems</font></div><div><font><br></font></div><div style="padding-left:9pt;padding-right:9pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">We do not typically have </font><font style="color:#030303;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">a </font><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">direct relationship </font><font style="color:#464646;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">with </font><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">3TG smelters and refiners.  We do, however, participate with industry associations in the copper and brass sector and other sectors in the following initiatives to develop conflict-free supply chains&#58; the Electronics Industry Citizenship Coalition-Global e-Sustainability Initiative</font><font style="color:#464646;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">'</font><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">s Conflict Free Smelter (CFS) Program, the iTSCi and the Public Private Alliance for Responsible Minerals Trade (PPA).</font></div><div><font><br></font></div><div style="padding-left:9pt;padding-right:9pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">Controls include a Company-wide code of conduct that outlines expected behaviors for all our employees, and as we enter into new supply contracts or renew existing supply contracts, we are adding a conflict minerals contract clause to our contracts that requires supplie</font><font style="color:#030303;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">rs, </font><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">who supplies parts which contain the 3TG minerals, </font><font style="color:#030303;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">t</font><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">o provide us with information about the source of 3TG and smelters</font><font style="color:#030303;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">.</font></div><div><font><br></font></div><div style="padding-left:9pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:144%">Maintain Records</font></div><div><font><br></font></div><div style="padding-left:9pt;padding-right:2.25pt"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">We have established a records retention policy to ensure that relevant materials are preserved for appropriate periods.</font></div><div style="padding-left:9pt;padding-right:2.25pt"><font><br></font></div><div style="padding-left:9pt;padding-right:2.25pt"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:144%">Supplier Engagement</font></div><div style="padding-left:6.75pt;padding-right:9pt;text-align:justify"><font><br></font></div><div style="padding-left:6.75pt;padding-right:9pt;text-align:justify"><font style="color:#232323;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">We have engaged our suppliers by sending multiple communications directly to them asking them to assist in the identification of any 3TG conflict minerals within their products.  Our conflict minerals policy was also posted on the Company website.</font></div><div><font><br></font></div><div style="padding-left:9pt"><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%;text-decoration:underline">IDENTIFY AND ASSESS RISK IN THE SUPPLY CHAIN</font></div><div><font><br></font></div><div style="padding-left:9pt;padding-right:6.75pt;text-align:justify"><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">We surveyed all direct suppliers who may supply material subject to t</font><font style="color:#030303;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">he </font><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">Rule that represented approximately 99% of receipts for components and raw materials in 2020.</font></div><div><font><br></font></div><div style="padding-left:9pt;text-align:justify"><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:144%">Survey Responses</font></div><div style="margin-top:1pt"><font><br></font></div><div style="padding-left:9pt;padding-right:6.75pt;text-align:justify"><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">In our previous Conflict Minerals Disclosure for the year ended December </font><font style="color:#030303;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">3</font><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">1, 2013, we reported having received responses in excess of 95% of the suppliers surveyed.  Over the seven-year period ending December 31, 2020, we have now received responses from in excess of 99% of the suppliers surveyed.  These responses were provided using the Template as well as other forms.  We reviewed the responses against criteria developed by our Internal Team to determine which suppliers required further engagement.  The criteria to require further engagement included incomplete responses </font><font style="color:#030303;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">as </font><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">well as inconsistencies within the data reported by those suppliers.  We have worked directly with</font><font style="color:#383838;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%"> </font><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">those suppliers in an effort to secure revised responses.</font></div><div><font><br></font></div><div style="padding-left:9pt;text-align:justify"><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">100% of the responses received provided data at a company or divisional level.</font></div><div style="padding-left:9pt"><font><br></font></div><div style="padding-left:9pt;padding-right:6.75pt;text-align:justify"><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">A minority of suppliers provided a list of smelters used to process 3TG contained in the components supplied to all of their customers.  Where the smelter identification number was provided, we verified that the facility was listed on the EICC-GeSi smelter list included in the Template.  This total represented one unique smelter which was verified </font><font style="color:#030303;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">as </font><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">being certifie</font><font style="color:#383838;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">d </font><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">as Conflict-Free under the CFS Program.</font></div><div style="margin-top:1pt;padding-left:9pt"><font><br></font></div><div style="padding-left:9pt;padding-right:4.5pt"><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">No suppliers reported that they sourced mineral(s) for any components from the DRC.</font></div><div style="padding-left:9pt;padding-right:4.5pt"><font><br></font></div><div style="padding-left:9pt;padding-right:4.5pt"><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%;text-decoration:underline">DESIGN AND IMPLEMENT A STRATEGY TO RESPOND TO RISKS</font></div><div style="padding-left:45pt;text-indent:-11.77pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">i</font><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%;padding-left:9pt">Senior management is briefed about our due diligence efforts on a regular basis.</font></div><div style="padding-left:45pt;text-indent:-14.54pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">ii</font><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%;padding-left:9pt">We have adopted a conflict minerals policy.</font></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">3</font></div></div></div><hr style="page-break-after:always"><div style="min-height:42.75pt;width:100%"><div><font><br></font></div></div><div style="padding-left:45pt;text-indent:-17.31pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">iii</font><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%;padding-left:9pt">We have implemented a risk management plan that outlines the Company responses to identified risks.</font></div><div style="padding-left:45pt;text-indent:-16.77pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">iv</font><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%;padding-left:9pt">We found no instance where it was necessary to implement risk mitigation efforts, temporarily suspend trad</font><font style="color:#030303;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">e </font><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">or disengage with a supplier.  We engage in regular ongoing risk </font><font style="color:#030303;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">assessm</font><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">ent through our suppliers' data submission</font><font style="color:#030303;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">s.</font></div><div style="padding-left:9pt"><font><br></font></div><div style="padding-left:9pt;padding-right:6.75pt;text-align:justify"><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%;text-decoration:underline">CARRY OUT INDEPENDENT THIRD PARTY AUDIT OF SUPPLY CHAIN DUE DILIGENCE AT IDENTIFIED POINTS IN THE SUPPLY CHAIN</font></div><div style="padding-left:9pt;padding-right:6.75pt;text-align:justify"><font><br></font></div><div style="padding-left:9pt;padding-right:6.75pt;text-align:justify"><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">We do not typically have a direct relationship with 3TG smelters and refiners and therefore do not perform or direct audits of these entities.  We support audits conducted by third parties through our participation in the CFS Program.</font></div><div style="padding-left:9pt"><font><br></font></div><div style="padding-left:9pt;text-align:justify"><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%;text-decoration:underline">REPORT ON SUPPLY CHAIN DUE DILIGENCE</font></div><div style="padding-left:9pt"><font><br></font></div><div style="padding-left:9pt;padding-right:6.75pt;text-align:justify"><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">This Conflict Minerals Disclosure constitutes our annual report on our </font><font style="color:#030303;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">3TG </font><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">due diligence, and it is available on our website www.muellerindustries.com and filed with the SEC.</font></div><div style="padding-left:6.75pt;padding-right:6.75pt;text-align:justify"><font><br></font></div><div style="padding-left:27pt;padding-right:6.75pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:144%">3.</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:144%;padding-left:10.5pt">Steps to be Taken to Mitigate Risk</font></div><div><font><br></font></div><div style="margin-top:4pt;padding-left:9pt;text-align:justify"><font style="color:#212121;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">In 2020, the Company continued to take the following steps to improve the due diligence conducted to further mitigate the risk that the 3TG in our products finance or benefit armed groups </font><font style="color:#3b3b3b;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">in </font><font style="color:#212121;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">the Covered Countries&#58;</font></div><div><font><br></font></div><div style="padding-left:45pt;text-indent:-11.77pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">i</font><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%;padding-left:9pt">Include a conflict minerals flow-down clause in new or renewed supplier contracts.</font></div><div style="padding-left:45pt;text-indent:-14.54pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">ii</font><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%;padding-left:9pt">Engage with suppliers and direct them to information and training resources to attempt to increase the response rate and improve the content of the supplier survey responses.</font></div><div style="padding-left:45pt;text-indent:-17.31pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">iii</font><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%;padding-left:9pt">Demand any suppliers if found to be providing us with components or materials containing 3TG from sources that support conflict in the Covered Countries to establish an alternative source of 3TG that does not support such conflict.</font></div><div style="padding-left:45pt;text-indent:-16.77pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">iv</font><font style="color:#1f1f1f;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%;padding-left:9pt">Work with relevant trade associations to define and improve best practices and encourage responsible sourcing of 3TG.</font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div style="padding-left:9pt;text-align:justify"><font style="color:#212121;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">Caution Concerning Forward-Looking Statements</font></div><div><font><br></font></div><div style="padding-left:6.75pt;padding-right:6.75pt;text-align:justify"><font style="color:#212121;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">Certain statements in this report may be &#34;forward-looking&#34; within the meaning of the Private Securities Litigation Reform Act of 1995. Words such as &#34;expects,&#34; &#34;intends,&#34; ''plans,&#34; &#34;projects,&#34; &#34;believes,&#34; &#34;estimates,&#34; ''targets,&#34; &#34;anticipates,&#34; and similar expressions are used to identify these forward-looking statements.  Examples of forward-looking statements include statements relating to our future plans, and any other statement that does not directly relate to any historical or current fact.  Forward-looking statements are based on our current expectations and assumptions, which may not prove to be accurate.  These statements are not guarantees and are subject to risks</font><font style="color:#3b3b3b;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">, </font><font style="color:#212121;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">uncertainties and changes in circumstances that </font><font style="color:#080808;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">are </font><font style="color:#212121;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">difficult to predict.  Actual outcomes and results may differ materially from these forward-looking statements.  As a result, these statements speak only as of the date they are made and we undertak</font><font style="color:#080808;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">e </font><font style="color:#212121;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">no obligation to update or revise any forward looking statement, except as required by federal securities Laws.</font></div><div><font><br></font></div><div><font><br></font></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:144%">4</font></div></div></div></body></html>
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