<SEC-DOCUMENT>0001968582-23-000453.txt : 20230831
<SEC-HEADER>0001968582-23-000453.hdr.sgml : 20230831
<ACCEPTANCE-DATETIME>20230831174718
ACCESSION NUMBER:		0001968582-23-000453
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20230831
DATE AS OF CHANGE:		20230831

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RELIANCE STEEL & ALUMINUM CO
		CENTRAL INDEX KEY:			0000861884
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-METALS SERVICE CENTERS & OFFICES [5051]
		IRS NUMBER:				951142616
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-13122
		FILM NUMBER:		231230033

	BUSINESS ADDRESS:	
		STREET 1:		16100 N. 71ST STREET, SUITE 400
		CITY:			SCOTTSDALE
		STATE:			AZ
		ZIP:			85254
		BUSINESS PHONE:		213-687-7700

	MAIL ADDRESS:	
		STREET 1:		16100 N. 71ST STREET, SUITE 400
		CITY:			SCOTTSDALE
		STATE:			AZ
		ZIP:			85254

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Lewis Karla R
		CENTRAL INDEX KEY:			0001256541

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		C/O RELIANCE STEEL & ALUMINUM CO.
		STREET 2:		16100 N. 71ST STREET, SUITE 400
		CITY:			SCOTTSDALE
		STATE:			AZ
		ZIP:			85254

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MCDOWELL KARLA R
		DATE OF NAME CHANGE:	20030724
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <!-- Generated by Workiva -->
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001256541</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000861884</issuerCik>
      <issuerName>Reliance Steel &amp; Aluminum Co</issuerName>
      <secFileNumber>001-13122</secFileNumber>
      <issuerAddress>
        <com:street1>16100 N. 71st Street</com:street1>
        <com:street2>Suite 400</com:street2>
        <com:city>Scottsdale</com:city>
        <com:stateOrCountry>AZ</com:stateOrCountry>
        <com:zipCode>85254</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>480-564-5700</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Karla Lewis</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director / President / CEO</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>JP Morgan Securities LLC</name>
        <address>
          <com:street1>390 Madison Avenue</com:street1>
          <com:street2>6th Floor</com:street2>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10017</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>32000</noOfUnitsSold>
      <aggregateMarketValue>9103360</aggregateMarketValue>
      <noOfUnitsOutstanding>58557052</noOfUnitsOutstanding>
      <approxSaleDate>08/31/2023</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>04/03/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Transfer</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>From Karla Lewis, who acquired the shares from RSU vestings on 02/17/23</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>32000</amountOfSecuritiesAcquired>
      <paymentDate>04/03/2023</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <remarks>The shares filed today will be sold by the Todd E. Lewis and Karla Lewis Trust, Karla Lewis as Trustee</remarks>
    <noticeSignature>
      <noticeDate>08/31/2023</noticeDate>
      <signature>/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Karla Lewis</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
