<SEC-DOCUMENT>0000950157-19-000284.txt : 20190318
<SEC-HEADER>0000950157-19-000284.hdr.sgml : 20190318
<ACCEPTANCE-DATETIME>20190318172544
ACCESSION NUMBER:		0000950157-19-000284
CONFORMED SUBMISSION TYPE:	10-K/A
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20181231
FILED AS OF DATE:		20190318
DATE AS OF CHANGE:		20190318

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MARTIN MARIETTA MATERIALS INC
		CENTRAL INDEX KEY:			0000916076
		STANDARD INDUSTRIAL CLASSIFICATION:	MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
		IRS NUMBER:				561848578
		STATE OF INCORPORATION:			NC
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12744
		FILM NUMBER:		19689294

	BUSINESS ADDRESS:	
		STREET 1:		2710 WYCLIFF ROAD
		CITY:			RALEIGH
		STATE:			NC
		ZIP:			27607
		BUSINESS PHONE:		919-781-4550

	MAIL ADDRESS:	
		STREET 1:		2710 WYCLIFF ROAD
		CITY:			RALEIGH
		STATE:			NC
		ZIP:			27607
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-K/A
<SEQUENCE>1
<FILENAME>form10-ka.htm
<DESCRIPTION>AMENDMENT NO. 1
<TEXT>
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<font style="FONT-WEIGHT: bold">UNITED STATES SECURITIES AND EXCHANGE COMMISSION</font>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: center">WASHINGTON, D.C.&#160; 20549</div>

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<div style="FONT-SIZE: 18pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: center">FORM 10-K/A</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: center">(Amendment No. 1)</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: justify"><font style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'">(</font>Mark One)</div>

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<td style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; WIDTH: 36pt; VERTICAL-ALIGN: top; FONT-WEIGHT: bold; align: right">[X]</td>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'">ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934</div>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify">For the fiscal year ended <font style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold">December 31, 2018</font></div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify; TEXT-INDENT: 224.75pt">OR</div>

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<td style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; WIDTH: 36pt; VERTICAL-ALIGN: top; FONT-WEIGHT: bold; align: right">[&#160; &#160; ]</td>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'">TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934</div>
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</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify">For the transition period from&#160; &#160; &#160; &#160; &#160; &#160; to</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: center">Commission file number<font style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold"> 1-12744</font></div>

<div style="FONT-SIZE: 24pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: center">MARTIN MARIETTA MATERIALS, INC.</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: center">(Exact name of registrant as specified in its charter)</div>

<div style="TEXT-ALIGN: left; MARGIN-LEFT: 9pt; TEXT-INDENT: -9pt">&#160;</div>

<div style="TEXT-ALIGN: left; MARGIN-LEFT: 9pt; TEXT-INDENT: -9pt">
<table id="z4da0bb051bfe480e96a7289a845dfc92" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; WIDTH: 100%" cellspacing="0" cellpadding="0" border="0">
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<div style="TEXT-ALIGN: center"><strong>North Carolina</strong></div>

<div style="TEXT-ALIGN: center">(State or other jurisdiction of</div>

<div style="TEXT-ALIGN: center">incorporation or organization)</div>
</td>
<td style="WIDTH: 50%">
<div style="TEXT-ALIGN: center"><strong>56-1848578</strong></div>

<div style="TEXT-ALIGN: center">(I.R.S. Employer</div>

<div style="TEXT-ALIGN: center">Identification No.)</div>
</td>
</tr>

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<td style="WIDTH: 50%">&#160;</td>
<td style="WIDTH: 50%">&#160;</td>
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<div style="FONT-WEIGHT: bold">2710 Wycliff Road, Raleigh, North Carolina</div>

<div>(Address of principal executive offices)</div>
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<td style="WIDTH: 50%; VERTICAL-ALIGN: top; TEXT-ALIGN: center">
<div style="FONT-WEIGHT: bold">27607-3033</div>

<div>(Zip Code)</div>
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</table>

<div>&#160;</div>

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<div style="FONT-WEIGHT: bold">(919) 781-4550</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: center">(Registrant&#8217;s telephone number, including area code)</div>
</td>
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</table>

<div>&#160;</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Securities registered pursuant to Section 12(b) of the Act:</div>

<div>&#160;</div>

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<div><u>Title of each class</u></div>

<div><strong>Common Stock (par value $.01 per share)</strong></div>
</td>
<td style="WIDTH: 50%; VERTICAL-ALIGN: top; TEXT-ALIGN: center">
<div><u>Name of each exchange on which registered</u></div>

<div><strong>New York Stock Exchange</strong></div>
</td>
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</table>
</div>

<div style="TEXT-ALIGN: left; MARGIN-LEFT: 9pt; TEXT-INDENT: -9pt">&#160;</div>

<div style="TEXT-ALIGN: left; MARGIN-LEFT: 9pt; TEXT-INDENT: -9pt"><font style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'">Securities registered pursuant to Section 12(g) of the Act:</font><font id="TRGRRTFtoHTMLTab" style="FONT-SIZE: 5.06pt; TEXT-INDENT: 0px">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font><font style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold">None</font></div>

<div style="TEXT-ALIGN: left; MARGIN-LEFT: 9pt; TEXT-INDENT: -9pt">&#160;</div>

<div style="TEXT-ALIGN: left">Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Yes [X]<font id="TRGRRTFtoHTMLTab" style="FONT-SIZE: 6pt; TEXT-INDENT: 0px">&#160;&#160;</font>&#160; No [&#160;&#160; ]</div>

<div style="TEXT-ALIGN: left; MARGIN-LEFT: 9pt; TEXT-INDENT: -9pt">&#160;</div>

<div style="TEXT-ALIGN: left">Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Exchange Act.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Yes [&#160;&#160; ]<font id="TRGRRTFtoHTMLTab" style="FONT-SIZE: 6pt; TEXT-INDENT: 0px">&#160;&#160;&#160; </font>No [X]</div>

<div style="TEXT-ALIGN: left; MARGIN-LEFT: 9pt; TEXT-INDENT: -9pt">&#160;</div>

<div style="TEXT-ALIGN: left">Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Yes [X]&#160;&#160;&#160; No [&#160;&#160; ]</div>

<div style="TEXT-ALIGN: left">&#160;</div>

<div style="TEXT-ALIGN: left">Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Yes [X]<font id="TRGRRTFtoHTMLTab" style="FONT-SIZE: 6pt; TEXT-INDENT: 0px">&#160;&#160;&#160; </font>No [&#160;&#160; ]</div>

<div style="TEXT-ALIGN: left">&#160;</div>

<div style="TEXT-ALIGN: left">Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant&#8217;s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;[X]</div>

<div style="TEXT-ALIGN: left">&#160;</div>

<div style="TEXT-ALIGN: left">Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or emerging growth company.&#160; See the definitions of &#8220;large accelerated filer,&#8221; &#8220;accelerated filer,&#8221; &#8220;smaller reporting company,&#8221; and &#8220;emerging growth company&#8221; in Rule 12b-2 of the Exchange Act.</div>

<div style="TEXT-ALIGN: left">&#160;</div>

<div style="TEXT-ALIGN: left">
<table id="z534813656e914758903c77e9f07d3991" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; WIDTH: 80%; PADDING-BOTTOM: 2px; PADDING-TOP: 2px" cellspacing="0" cellpadding="0" border="0">
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<div>Large accelerated filer&#160; [X]</div>
</td>
<td style="WIDTH: 40%">
<div>Accelerated filer&#160; [&#160;&#160; ]</div>
</td>
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<tr>
<td style="WIDTH: 40%">
<div>Non-accelerated filer&#160; [&#160;&#160; ]</div>
</td>
<td style="WIDTH: 40%">
<div>Smaller reporting company&#160; [&#160; ]</div>
</td>
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<td style="WIDTH: 40%">
<div>Emerging growth company&#160; [&#160; ]</div>
</td>
<td style="WIDTH: 40%">&#160;</td>
</tr>
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</div>

<div style="TEXT-ALIGN: justify">&#160;</div>

<div style="TEXT-ALIGN: justify">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;[&#160; ]</div>

<div style="TEXT-ALIGN: justify">&#160;</div>

<div style="TEXT-ALIGN: justify">Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Yes [&#160;&#160; ]&#160;&#160;&#160; No [X]</div>

<div style="TEXT-ALIGN: justify">&#160;</div>

<div style="TEXT-ALIGN: justify">As of June&#160;29, 2018, the last business day of the registrant&#8217;s most recently completed second fiscal quarter, the aggregate market value of the registrant&#8217;s common stock held by non-affiliates of the registrant was $11,000,435,608.61 based on the closing sale price as reported on the NYSE.</div>

<div style="TEXT-ALIGN: justify">&#160;</div>

<div style="TEXT-ALIGN: justify">Indicate the number of shares outstanding of each of the issuer&#8217;s classes of common stock on the latest practicable date.</div>

<div style="TEXT-ALIGN: justify">&#160;</div>

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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: center">Class</div>
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<td style="WIDTH: 6.59%; VERTICAL-ALIGN: top">&#160;</td>
<td style="WIDTH: 47.08%; VERTICAL-ALIGN: middle; BORDER-BOTTOM: #000000 2px solid">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: center">Outstanding at February 15, 2019</div>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: center">Common Stock, $.01 par value per share</div>
</td>
<td style="WIDTH: 6.59%; VERTICAL-ALIGN: top">&#160;</td>
<td style="WIDTH: 47.08%; VERTICAL-ALIGN: middle">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: center">62,430,548&#160;shares</div>
</td>
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<div style="TEXT-ALIGN: center">&#160;</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; COLOR: #000000; TEXT-ALIGN: center">Documents Incorporated By Reference</div>

<div style="TEXT-ALIGN: left">&#160;</div>

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<td style="WIDTH: 75.4%; VERTICAL-ALIGN: top">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; COLOR: #000000; TEXT-ALIGN: left">Excerpts from Annual Report to Shareholders for the Fiscal Year Ended December 31, 2018 (Annual Report)</div>
</td>
<td style="WIDTH: 24.6%; VERTICAL-ALIGN: top">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; COLOR: #000000; TEXT-ALIGN: left">Parts I, II, and IV</div>
</td>
</tr>

<tr>
<td style="WIDTH: 75.4%; VERTICAL-ALIGN: top">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left"><font style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; COLOR: #000000">Proxy Statement for the Annual Meeting of Shareholders to be held May&#160;9, 2019 </font>(<font style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; COLOR: #000000">Proxy Statement)</font></div>
</td>
<td style="WIDTH: 24.6%; VERTICAL-ALIGN: top">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; COLOR: #000000; TEXT-ALIGN: left">Part III</div>
</td>
</tr>
</table>

<div>&#160;</div>

<div>
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<div>&#160;</div>

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<div><br>
 &#160;</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; COLOR: #000000; TEXT-ALIGN: left">Explanatory Note</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; COLOR: #000000; TEXT-ALIGN: left">&#160;</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; COLOR: #000000; TEXT-ALIGN: justify">Martin Marietta Materials, Inc. is filing this Amendment No. 1 (&#8220;Amendment No. 1&#8221;) to its Annual Report on Form 10-K for the fiscal year ended December 31, 2018 as filed with the Securities Exchange Commission on February 25, 2019 (the &#8220;Original Form 10-K&#8221;) solely to&#160;replace Exhibit 23.01, Consent of PricewaterhouseCoopers LLP (the &#8220;Consent&#8221;) included in the Original Form 10-K with a corrected Consent.&#160; Due to an administrative error,&#160;the Consent in the Original Form 10-K incorrectly identified the date of the reports of PricewaterhouseCoopers LLP included in the Original Form 10-K. A new Consent with the corrected date is filed as Exhibit 23.01 attached hereto.</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; COLOR: #000000; TEXT-ALIGN: justify">Except as otherwise expressly noted herein, this Amendment No. 1 does not modify or update in any way the financial position, results of operations, cash flows, or other disclosure in, or exhibits to, the Original Form 10-K, nor does it reflect events occurring after the filing of the Original Form 10-K. Accordingly, this Amendment No. 1 should be read in conjunction with the Original Form 10-K.</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; COLOR: #000000; TEXT-ALIGN: justify">Pursuant to Rule 12b-15 under the Securities Exchange Act of 1934, as amended (the &#8220;Exchange Act&#8221;), this Amendment No. 1 also contains new certifications pursuant to Sections 302 of the Sarbanes-Oxley Act of 2002, which are attached hereto. Because no financial statements have been included in this Amendment No. 1 and this Amendment No. 1 does not contain or amend any disclosure with respect to Items 307 and 308 of Regulation S-K under the Exchange Act, paragraphs 3, 4 and 5 of the certifications have been omitted.</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; COLOR: #000000; TEXT-ALIGN: justify">&#160;</div>

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<div><br>
</div>

<div style="FONT-WEIGHT: bold; TEXT-ALIGN: center">Part IV</div>

<div style="TEXT-ALIGN: left"><br>
 &#160;</div>

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<td style="WIDTH: 10%; VERTICAL-ALIGN: top">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: left">ITEM 15.</div>
</td>
<td style="WIDTH: 90%; VERTICAL-ALIGN: top">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: left">EXHIBITS AND FINANCIAL STATEMENT SCHEDULES</div>
</td>
</tr>
</table>

<div style="TEXT-ALIGN: left"><br>
</div>

<div style="TEXT-ALIGN: left">(b)&#160;&#160; Index of Exhibits</div>

<div style="TEXT-ALIGN: left">&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 27pt">The following exhibits are being filed herewith:</div>

<div style="TEXT-ALIGN: left">&#160;</div>

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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: left">Exhibit No.</div>
</td>
<td style="WIDTH: 2%; VERTICAL-ALIGN: top; PADDING-BOTTOM: 2px">&#160;</td>
<td style="WIDTH: 90%; VERTICAL-ALIGN: middle; BORDER-BOTTOM: #000000 2px solid">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: left">Description</div>
</td>
</tr>

<tr>
<td style="WIDTH: 8%; VERTICAL-ALIGN: middle">&#160;</td>
<td style="WIDTH: 2%; VERTICAL-ALIGN: top">&#160;</td>
<td style="WIDTH: 90%; VERTICAL-ALIGN: middle">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 8%; VERTICAL-ALIGN: top"><a href="ex23-01.htm">23.01</a></td>
<td style="WIDTH: 2%; VERTICAL-ALIGN: top">&#160;</td>
<td style="WIDTH: 90%; VERTICAL-ALIGN: bottom"><a href="ex23-01.htm">Consent of PricewaterhouseCoopers LLP, Independent Registered Public Accounting Firm for Martin Marietta Materials, Inc. and consolidated subsidiaries</a></td>
</tr>

<tr>
<td style="WIDTH: 8%; VERTICAL-ALIGN: top">&#160;</td>
<td style="WIDTH: 2%; VERTICAL-ALIGN: top">&#160;</td>
<td style="WIDTH: 90%; VERTICAL-ALIGN: bottom">&#160;</td>
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<td style="WIDTH: 8%; VERTICAL-ALIGN: top">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left"><a href="ex31-01.htm">31.01</a></div>
</td>
<td style="WIDTH: 2%; VERTICAL-ALIGN: top">&#160;</td>
<td style="WIDTH: 90%; VERTICAL-ALIGN: bottom">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left"><a href="ex31-01.htm">Certification dated March 18, 2019 of Chief Executive Officer pursuant to Securities and Exchange Act of 1934, rule 13a-14, as adopted pursuant to Section 302 of the Sarbanes- Oxley Act of 2002</a></div>
</td>
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<tr>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left"><a href="ex31-02.htm">31.02</a></div>
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<td style="WIDTH: 90%; VERTICAL-ALIGN: bottom">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left"><a href="ex31-02.htm">Certification dated March 18, 2019 of Chief Financial Officer pursuant to Securities and Exchange Act of 1934, rule 13a-14, as adopted pursuant to Section 302 of the Sarbanes- Oxley Act of 2002</a></div>
</td>
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<tr>
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<td style="WIDTH: 90%; VERTICAL-ALIGN: middle">&#160;</td>
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<div>&#160;</div>

<div style="TEXT-ALIGN: left; CLEAR: both">&#160;</div>

<div style="TEXT-ALIGN: left; CLEAR: both">&#160;</div>

<div style="TEXT-ALIGN: left; CLEAR: both">&#160;</div>

<div style="TEXT-ALIGN: left; CLEAR: both">&#160;</div>

<br>
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 &#160;</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: center; MARGIN-LEFT: 18pt; MARGIN-RIGHT: 13.5pt">SIGNATURES</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify">&#160;</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify">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 undersigned hereunto duly authorized.</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify">&#160;</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify">&#160;</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify">
<table id="z9a9a75297ab44f9494c6526981a635b6" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; WIDTH: 100%; BORDER-COLLAPSE: separate" cellspacing="0" cellpadding="0" border="0">
<tr>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: left">MARTIN MARIETTA MATERIALS,&#160;INC.</div>
</td>
<td style="WIDTH: 12%" valign="top">&#160;</td>
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<tr>
<td style="WIDTH: 50%" valign="top">&#160;</td>
<td style="WIDTH: 3%" valign="top">&#160;</td>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify">Date: March 18, 2019</div>
</td>
<td style="WIDTH: 3%; PADDING-BOTTOM: 2px" valign="top">
<div style="TEXT-ALIGN: left; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt; TEXT-INDENT: 0pt">By: </div>
</td>
<td style="WIDTH: 35%; BORDER-BOTTOM: #000000 2px solid" valign="top" colspan="2" nowrap="nowrap" align="left">/s/&#160;Roselyn R. Bar</td>
<td style="WIDTH: 12%; PADDING-BOTTOM: 2px" valign="top">&#160;</td>
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<tr style="HEIGHT: 12px">
<td style="WIDTH: 50%" valign="top">&#160;</td>
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<td style="WIDTH: 12%" valign="top">&#160;</td>
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<tr>
<td style="WIDTH: 50%" valign="top">&#160;</td>
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<td style="WIDTH: 4.44%" valign="top">Title:</td>
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<td style="WIDTH: 12%" valign="top">&#160;</td>
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<tr>
<td style="WIDTH: 50%" valign="top">&#160;</td>
<td style="WIDTH: 3%" valign="top">&#160;</td>
<td style="WIDTH: 35%" valign="top" colspan="2">&#160;</td>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify">&#160;</div>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify">&#160;</div>
</div>
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<DOCUMENT>
<TYPE>EX-23.01
<SEQUENCE>2
<FILENAME>ex23-01.htm
<TEXT>
<html>
<head>
<title></title>
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<body style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'" text="#000000" bgcolor="#ffffff">
<div style="FONT-WEIGHT: bold; TEXT-ALIGN: right">Exhibit 23.01</div>

<div>&#160;</div>

<div>&#160;</div>

<div>&#160;</div>

<div><br>
<div style="FONT-WEIGHT: bold; TEXT-ALIGN: center">CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM</div>

<div style="FONT-WEIGHT: bold; TEXT-ALIGN: center">&#160;</div>

<div style="FONT-WEIGHT: bold; TEXT-ALIGN: center">&#160;</div>

<div style="FONT-WEIGHT: normal; TEXT-ALIGN: justify">We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 333-115918, 333-85608, 333-15429, 333-211735, and 333-197201) and Form S-3 (No. 333-217991) of Martin Marietta Materials, Inc. of our report dated February 25, 2019 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in the Annual Report to Shareholders, which is incorporated in this Annual Report on Form 10-K.&#160; We also consent to the incorporation by reference of our report dated February 25, 2019 relating to the financial statement schedule, which appears in this Form 10-K.</div>

<div style="FONT-WEIGHT: normal"><br>
</div>

<div style="FONT-WEIGHT: normal"><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: normal; TEXT-ALIGN: justify">/s/ PricewaterhouseCoopers LLP</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: normal; TEXT-ALIGN: justify">Raleigh, North Carolina</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: normal; TEXT-ALIGN: justify">March 18, 2019</div>

<br>
<br>
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<DOCUMENT>
<TYPE>EX-31.01
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<FILENAME>ex31-01.htm
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<html>
<head>
<title></title>
<!--Licensed to: Cravath, Swaine & Moore LLP
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<body style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'" text="#000000" bgcolor="#ffffff">
<div style="FONT-WEIGHT: bold; TEXT-ALIGN: right">Exhibit 31.01</div>

<div>&#160;</div>

<div><br>
 &#160;</div>

<div>
<div style="FONT-WEIGHT: bold; TEXT-ALIGN: center">CERTIFICATION PURSUANT TO SECURITIES AND EXCHANGE ACT OF 1934</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: center">RULE 13a-14 AS ADOPTED PURSUANT TO SECTION 302 OF THE</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: center">SARBANES-OXLEY ACT OF 2002</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: center">CERTIFICATIONS</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify; MARGIN-RIGHT: 31.5pt">I, C. Howard Nye, certify that:</div>

<div><br>
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<div style="TEXT-ALIGN: justify">
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'">I have reviewed this Form 10-K/A of Martin Marietta Materials, Inc.; and</div>
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<div><br>
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<div style="TEXT-ALIGN: justify">
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<td style="WIDTH: 36pt"></td>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'">Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.</div>
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<div>&#160;</div>

<div>&#160;</div>

<div>
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<div style="TEXT-ALIGN: left; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt; TEXT-INDENT: 0pt">Date:&#160; March 18, 2019</div>
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<td style="WIDTH: 35%; BORDER-BOTTOM: #000000 2px solid" valign="top" nowrap="nowrap" align="left">/s/&#160;C. Howard Nye</td>
<td style="WIDTH: 12%; PADDING-BOTTOM: 2px" valign="top">&#160;</td>
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<tr>
<td style="WIDTH: 50%" valign="top">&#160;</td>
<td style="WIDTH: 3%" valign="top">&#160;</td>
<td style="WIDTH: 35%" valign="bottom" nowrap="nowrap" align="left">Name:&#160; C. Howard Nye</td>
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<td style="WIDTH: 3%" valign="top">&#160;</td>
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<tr>
<td style="WIDTH: 50%" valign="top">&#160;</td>
<td style="WIDTH: 3%" valign="top">&#160;</td>
<td style="WIDTH: 35%" valign="top">&#160;</td>
<td style="WIDTH: 12%" valign="top">&#160;</td>
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<div>&#160;</div>

<div>&#160;</div>
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<TYPE>EX-31.02
<SEQUENCE>4
<FILENAME>ex31-02.htm
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<html>
<head>
<title></title>
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<body style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'" text="#000000" bgcolor="#ffffff">
<div style="FONT-WEIGHT: bold; TEXT-ALIGN: right">Exhibit 31.02</div>

<div>&#160;</div>

<div>&#160;</div>

<div>&#160;</div>

<div>
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: center">CERTIFICATION PURSUANT TO SECURITIES AND EXCHANGE ACT OF 1934</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: center">RULE 13a-14 AS ADOPTED PURSUANT TO SECTION 302 OF THE</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: center">SARBANES-OXLEY ACT OF 2002</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: center">CERTIFICATIONS</div>

<div><br>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify">I, James A. J. Nickolas, certify that:</div>

<div><br>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'">I have reviewed this Form 10-K/A of Martin Marietta Materials, Inc.; and</div>
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<div><br>
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<td style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; WIDTH: 18pt; VERTICAL-ALIGN: top; align: right">2.</td>
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<div><br>
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<div>&#160;</div>

<div>
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<tr>
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<tr>
<td style="WIDTH: 50%" valign="top">&#160;</td>
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<td style="WIDTH: 35%" valign="top">&#160;</td>
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<div>&#160;</div>
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