<SEC-DOCUMENT>0000929008-21-000026.txt : 20210707
<SEC-HEADER>0000929008-21-000026.hdr.sgml : 20210707
<ACCEPTANCE-DATETIME>20210707170119
ACCESSION NUMBER:		0000929008-21-000026
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20210707
DATE AS OF CHANGE:		20210707
EFFECTIVENESS DATE:		20210707

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WESCO INTERNATIONAL INC
		CENTRAL INDEX KEY:			0000929008
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-ELECTRICAL APPARATUS & EQUIPMENT, WIRING SUPPLIES [5063]
		IRS NUMBER:				251723342
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-257748
		FILM NUMBER:		211078009

	BUSINESS ADDRESS:	
		STREET 1:		225 WEST STATION SQUARE DRIVE
		STREET 2:		STE 700
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15219
		BUSINESS PHONE:		4124542200

	MAIL ADDRESS:	
		STREET 1:		225 WEST STATION SQUARE DRIVE
		STREET 2:		STE 700
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15219

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CDW HOLDING CORP
		DATE OF NAME CHANGE:	19971217
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>wcc-forms8_07072021.htm
<DESCRIPTION>S-8
<TEXT>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head>
<!-- Document created using Wdesk -->
<!-- Copyright 2021 Workiva -->
<title>Document</title></head><body><div id="i9a9159639e794586a141835f4545f6c4_33"></div><div style="min-height:54pt;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:9pt;font-weight:700;line-height:112%">As filed with the Securities and Exchange Commission on July</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:112%"> </font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:112%">7</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:112%">, 2021</font></div><div style="margin-top:3pt;text-align:right"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:115%">Registration No. 333-</font></div><div><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 style="height:3pt"><td colspan="3" style="border-bottom:3pt double #000;padding:0 1pt"></td></tr></table></div><div style="margin-top:6pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:14.5pt;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:14.5pt;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:12pt;font-weight:700;line-height:120%">WASHINGTON, D.C. 20549</font></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:39.035%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr style="height:3pt"><td colspan="3" style="border-bottom:1pt solid #000;padding:0 1pt"></td></tr></table></div><div style="margin-top:6pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:14.5pt;font-weight:700;line-height:112%">FORM S-8</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:14.5pt;font-weight:700;line-height:112%">REGISTRATION STATEMENT</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:112%">UNDER</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:112%">THE SECURITIES ACT OF 1933</font></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:39.035%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr style="height:3pt"><td colspan="3" style="border-bottom:1pt solid #000;padding:0 1pt"></td></tr></table></div><div style="margin-top:6pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:18pt;font-weight:700;line-height:112%">WESCO INTERNATIONAL, INC.</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:112%">(Exact name of registrant as specified in its charter)</font></div><div><font><br></font></div><div style="margin-top:3pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:92.543%"><tr><td style="width:1.0%"></td><td style="width:26.704%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:26.704%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.589%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:42.503%"></td><td style="width:0.1%"></td></tr><tr><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:112%">Delaware</font></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:112%">25-1723342</font></div></td></tr><tr><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:112%">(State or other jurisdiction of</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:112%">incorporation)</font></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:112%">(IRS Employer</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:112%">Identification No.)</font></div></td></tr><tr style="height:6pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:112%">225 West Station Square Drive</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:112%">Suite 700</font></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:112%">15219</font></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:112%">Pittsburgh,</font></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:112%">Pennsylvania</font></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:112%">(Zip Code)</font></div></td></tr><tr><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:112%">(Address of principal executive offices)</font></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div style="margin-top:9pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:26.315%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr style="height:3pt"><td colspan="3" style="border-bottom:1pt solid #000;padding:0 1pt"></td></tr></table></div><div style="margin-top:3pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:112%">WESCO International, Inc. 2021 Omnibus Incentive Plan</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:7pt;font-weight:700;line-height:112%">(Full title of the plan)</font></div><div style="margin-top:3pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:26.315%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr style="height:3pt"><td colspan="3" style="border-bottom:1pt solid #000;padding:0 1pt"></td></tr></table></div><div style="margin-top:3pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:112%">Diane E. Lazzaris</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:112%">Executive Vice President and General Counsel</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:112%">225 West Station Square Drive</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:112%">Suite 700</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:112%">Pittsburgh, Pennsylvania 15219</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:7pt;font-weight:400;line-height:112%">(Name and address of agent for service)</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:9pt;font-weight:700;line-height:112%">(412) 454-2200</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:7pt;font-weight:400;line-height:112%">(Telephone number, including area code, of agent for service)</font></div><div style="margin-top:3pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:39.035%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr style="height:3pt"><td colspan="3" style="border-bottom:1pt solid #000;padding:0 1pt"></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:112%">Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. 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.</font></div><div><font><br></font></div><div><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:22.291%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:3.578%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.648%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:32.525%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:24.046%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:3.582%"></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%">Large accelerated filer</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%">&#9745;</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></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%">Accelerated filer</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%">&#9744;</font></td></tr><tr style="height:3pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></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%">Non-accelerated filer</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%">&#9744;</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></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%">Smaller reporting company</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%">&#9744;</font></td></tr><tr style="height:3pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></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%">Emerging growth company</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%">&#9744;</font></td></tr><tr style="height:3pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="18" 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%">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 7(a)(2)(B) of the Securities Act. &#9744;</font></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div><font><br></font></div><div style="height:54pt;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:120%">1</font></div></div></div><hr style="page-break-after:always"><div style="min-height:54pt;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:112%">CALCULATION OF REGISTRATION FEE</font></div><div style="margin-top:6pt"><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:49.923%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.157%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.449%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.204%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.767%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Title of securities to be registered</font></td><td colspan="3" style="border-left:1pt solid #000;border-top:1pt solid #000;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:9pt;font-weight:700;line-height:100%">Amount to be registered</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:700;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(1)</font></div></td><td colspan="3" style="border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Proposed maximum offering price per share</font></td><td colspan="3" style="border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Proposed maximum aggregate offering price</font></td><td colspan="3" style="border-left:1pt solid #000;border-right:1pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Amount of registration fee</font></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;text-indent:1pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Common Stock, par value $0.01 per share, issuable pursuant to&#58;</font></td><td colspan="3" style="border-left:1pt solid #000;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-left:1pt solid #000;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-left:1pt solid #000;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-left:1pt solid #000;border-right:1pt solid #000000;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="border-bottom:1pt solid #000;border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;text-indent:1pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">WESCO International, Inc. 2021 Omnibus Incentive Plan</font></td><td colspan="3" style="border-bottom:1pt solid #000;border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">2,150,000</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:112%;position:relative;top:-3.5pt;vertical-align:baseline">(2)</font></div></td><td colspan="3" style="border-bottom:1pt solid #000;border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">$101.83</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:112%;position:relative;top:-3.5pt;vertical-align:baseline">(3)</font></div></td><td colspan="3" style="border-bottom:1pt solid #000;border-left:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">$218,934,500</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:112%;position:relative;top:-3.5pt;vertical-align:baseline">(3)</font></div></td><td colspan="3" style="border-bottom:1pt solid #000;border-left:1pt solid #000;border-right:1pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">$23,885.75</font></td><td colspan="3" style="display:none"></td></tr></table></div><div><font><br></font></div><div style="margin-top:3pt;padding-left:13.5pt;text-align:justify;text-indent:-13.5pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:112%;position:relative;top:-3.5pt;vertical-align:baseline">(1)</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:112%;position:relative;top:-3.15pt;vertical-align:baseline">&#160;&#160;&#160;&#160;</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">This Registration Statement also registers additional securities to be offered or issued upon adjustments or changes made to registered securities by reason of any stock splits, stock dividends or similar transactions as permitted by Rule 416(a) and Rule 416(b) under the Securities Act of 1933, as amended (the &#8220;Securities Act&#8221;).</font></div><div style="margin-top:9pt;padding-left:13.5pt;text-align:justify;text-indent:-13.5pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:112%;position:relative;top:-3.5pt;vertical-align:baseline">(2)</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:112%;position:relative;top:-3.15pt;vertical-align:baseline">&#160;&#160;&#160;&#160;</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Consists of shares of common stock, par value $0.01 per share, of WESCO International, Inc. (the &#8220;Common Stock&#8221;) issuable pursuant to the WESCO International, Inc. 2021 Omnibus Incentive Plan.</font></div><div style="margin-top:9pt;padding-left:13.5pt;text-align:justify;text-indent:-13.5pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:112%;position:relative;top:-3.5pt;vertical-align:baseline">(3)</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:112%;position:relative;top:-3.15pt;vertical-align:baseline">&#160;&#160;&#160;&#160;</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Estimated solely for the purpose of calculating the registration fee pursuant to Rules 457(c) and 457(h). The fee is calculated on the basis of the average of the high and low trading prices for the Common Stock as reported on the New York Stock Exchange on June 29, 2021, a date that is within five business days of the date of this Registration Statement.</font></div><div><font><br></font></div><div><font><br></font></div><div style="height:54pt;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:120%">2</font></div></div></div><hr style="page-break-after:always"><div style="min-height:54pt;width:100%"><div><font><br></font></div></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:112%">EXPLANATORY NOTE</font></div><div style="text-align:center"><font><br></font></div><div style="text-align:justify;text-indent:31.5pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Pursuant to General Instruction E of Form S-8, this Registration Statement on Form S-8 is being filed in order to register 2,150,000 shares of the common stock of WESCO International, Inc., a Delaware corporation (the &#8220;Registrant&#8221;), par value $0.01 per share, for issuance under the WESCO International, Inc. 2021 Omnibus Incentive Plan.</font></div><div style="text-indent:13.5pt"><font><br></font></div><div style="margin-top:3pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:112%">PART I</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:112%">INFORMATION REQUIRED IN THE SECTION 10(A) PROSPECTUS</font></div><div><font><br></font></div><div style="text-align:justify;text-indent:32.39pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">The information required by Item 1 and Item 2 of Part I of Form S-8 is omitted from this filing in accordance with Rule 428 under the Securities Act, and the introductory note to Part I of Form S-8.</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:112%">PART II</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:112%">INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Item 3. Incorporation of Documents by Reference.</font></div><div><font><br></font></div><div style="text-align:justify;text-indent:32.39pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">The following documents filed by the Registrant with the Commission pursuant to the Securities Exchange Act of 1934, as amended (the &#8220;Exchange Act&#8221;), are incorporated by reference into this Registration Statement&#58;</font></div><div><font><br></font></div><div style="padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">1.</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;padding-left:10.5pt">the Registrant&#8217;s Annual Report on Form 10-K for the year ended December 31, 2020, filed with the Commission on March 1, 2021&#59;</font></div><div><font><br></font></div><div style="padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">2.</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;padding-left:10.5pt">the Registrant&#8217;s Quarterly Report on Form 10-Q for the quarter ended March 31, 2021, filed with the Commission on May 7, 2021&#59;</font></div><div><font><br></font></div><div style="padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">3.</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;padding-left:10.5pt">the Registrant&#8217;s Current Reports on Form 8-K filed with the Commission on February 9, 2021, April 5, 2021, May 6, 2021, May 28, 2021, and June 2, 2021 (other than information in such Current Reports deemed to have</font><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%"> </font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">been furnished and not filed in accordance with the rules of the Commission)&#59; and</font></div><div><font><br></font></div><div style="padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">4.</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;padding-left:10.5pt">the description of the Common Stock contained in the Registrant&#8217;s registration statement on Form S-4 (File No. 333-236307) first filed with the Commission on February 7, 2020, including any amendments or reports filed for the purpose of updating such description.</font></div><div><font><br></font></div><div style="text-align:justify;text-indent:32.39pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">All documents subsequently filed by the Registrant pursuant to Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act after the date of this Registration Statement and prior to the filing of a post-effective amendment which indicates that all securities offered by this Registration Statement have been sold or which deregisters all securities then remaining unsold, shall be deemed to be incorporated by reference in this Registration Statement and to be a part thereof from the date of filing such documents (other than the portions of such documents, which by statute, by designation in such document or otherwise (including but not limited to information disclosed by the Registrant under Items 2.02 or 7.01 of any Current Report on Form 8-K), are not deemed filed with the Commission or are not regarded to be incorporated herein by reference).</font></div><div><font><br></font></div><div style="text-align:justify;text-indent:32.39pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Any statement contained in a document all or a portion of which is incorporated or deemed to be incorporated by reference in this Registration Statement shall be deemed to be modified or superseded for purposes of this Registration Statement to the extent that a statement contained herein or in any other subsequently filed document which is or is deemed to be incorporated by reference herein modifies or supersedes such statement. Any such statement so modified or superseded shall not be deemed, except as so modified or superseded, to constitute a part of this Registration Statement.</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Item 4. Description of Securities.</font></div><div><font><br></font></div><div style="text-indent:33pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Not applicable.</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Item 5. Interests of Named Experts and Counsel.</font></div><div><font><br></font></div><div style="text-indent:33pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Not applicable.</font></div><div><font><br></font></div><div style="height:54pt;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:120%">3</font></div></div></div><hr style="page-break-after:always"><div style="min-height:54pt;width:100%"><div><font><br></font></div></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Item 6. Indemnification of Directors and Officers.</font></div><div><font><br></font></div><div style="text-align:justify;text-indent:32.39pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Section 102(b)(7) of the General Corporation Law of the State of Delaware (the &#8220;DGCL&#8221;) permits a corporation, in its certificate of incorporation, to limit or eliminate the liability of directors to the corporation or its stockholders for monetary damages for breaches of fiduciary duty, except for liability for any breach of the director&#8217;s duty of loyalty to the corporation or its stockholders, (b) for acts or omissions not in good faith or which involve intentional misconduct or a knowing violation of law, (c) for the unlawful payment of a dividend or an unlawful stock purchase or redemption under Section 174 of the DGCL, or (d) for any transaction from which the director derived an improper personal benefit. Article X of the Registrant&#8217;s Restated Certificate of Incorporation contains provisions intended to limit a director&#8217;s personal liability to the fullest extent permitted under the DGCL.</font></div><div><font><br></font></div><div style="text-align:justify;text-indent:32.39pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Under Section 145 of the DGCL, a corporation has the power to indemnify directors and officers under certain circumstances, subject to certain limitations, against specified costs and expenses actually and reasonably incurred in connection with an action, suit or proceeding, whether civil, criminal, administrative or investigative. Article VI of the Registrant&#8217;s By-Laws provides that the Registrant will indemnify any person who was or is made or is threatened to be made a party or is otherwise involved in any action, suit or proceeding, whether civil, criminal, administrative or investigative by reason of the fact that such person, or an individual for whom such person is the legal representative, is or was a director, officer, employee or agent of the Registrant or is or was serving at the request of the Registrant as a director, officer, employee or agent of another corporation or of a partnership, joint venture, trust, enterprise or non-profit entity, against all liability and loss suffered and expenses reasonably incurred by such person. Article VI of the Registrant&#8217;s By-Laws further permits the Registrant to maintain insurance on behalf of any person who is or was or has agreed to become a director or officer of the Registrant, or is or was serving at the request of the Registrant as a director or officer of another corporation, partnership, joint venture, trust or other enterprise against any liability asserted against such person and incurred by such person or on such person&#8217;s behalf in any such capacity, or arising out of such person&#8217;s status as such, whether or not the Registrant would have the power to indemnify such person against such liability under the provisions of the Registrant&#8217;s By-Laws.</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Item 7. Exemption from Registration Claimed.</font></div><div><font><br></font></div><div style="text-indent:33pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Not applicable.</font></div><div style="text-align:center"><font><br></font></div><div id="i9a9159639e794586a141835f4545f6c4_125"></div><div style="-sec-extract:summary"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Item 8. Exhibits.</font></div><div><font><br></font></div><div style="text-indent:33pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">The following exhibits are filed herewith or incorporated by reference as part of this Registration Statement&#58;</font></div><div style="text-indent:33pt"><font><br></font></div><div><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:11.180%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:1.992%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:84.428%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Exhibit No.</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Description</font></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">4.1</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:justify"><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/929008/000095012801500590/j9030501ex3-1.txt" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">Restated Certificate of Incorporation of WESCO International, Inc. (incorporated by reference to Exhibit 3.1 to WESCO International, Inc.&#8217;s Registration Statement on Form S-4, filed with the Commission on September 28, 2001 (File No. 333-70404)).</a></font></div></td></tr><tr style="height:11pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">4.2</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:justify"><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/929008/000119312514217271/d733803dex31.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">Certificate of Amendment of Certificate of Incorporation to Restated Certificate of Incorporation of WESCO International, Inc. (incorporated by reference to Exhibit 3.1 to WESCO International, Inc.&#8217;s Current Report on Form 8-K filed with the Commission on May 29, 2014).</a></font></div></td></tr><tr style="height:11pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">4.3</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:justify"><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/929008/000119312514217271/d733803dex32.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">WESCO International, Inc. Amended and Restated By-Laws, as amended and restated on May 29, 2014 (Incorporated by reference to Exhibit 3.2 to WESCO International&#8217;s Current Report on Form 8-K (File No. 001-14989), dated May 29, 2014).</a></font></div></td></tr><tr style="height:11pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">4.4</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:justify"><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/0000929008/000119312521113153/d32084ddef14a.htm#rom32084_33" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">WESCO International, Inc. 2021 Omnibus Incentive Plan (incorporated by reference to Appendix A to the Registrant&#8217;s Definitive Proxy Statement on Schedule 14A filed with the Commission on April 12, 2021).</a></font></div></td></tr><tr style="height:11pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">5.1</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:justify"><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline"><a href="wcc-forms8_ex51.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">Opinion of Wachtell, Lipton, Rosen &#38; Katz regarding the legality of the shares being registered hereunder (filed herewith).</a></font></div></td></tr><tr style="height:11pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">23.1</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:justify"><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline"><a href="wcc-forms8_ex231.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">Consent of PricewaterhouseCoopers LLP (filed herewith).</a></font></div></td></tr><tr style="height:11pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">23.2</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:justify"><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline"><a href="wcc-forms8_ex51.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">Consent of Wachtell, Lipton, Rosen &#38; Katz (included in Exhibit 5.1).</a></font></div></td></tr><tr style="height:11pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">24.1</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:justify"><font style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline"><a href="#i9a9159639e794586a141835f4545f6c4_118" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">Power of Attorney (included on the signature page of this Registration Statement).</a></font></div></td></tr></table></div><div style="height:54pt;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><div id="i9a9159639e794586a141835f4545f6c4_131"></div><hr style="page-break-after:always"><div style="min-height:54pt;width:100%"><div><font><br></font></div></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Item 9. Undertakings</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">.</font></div><div><font><br></font></div><div style="padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">(a)</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;padding-left:6.91pt">The undersigned registrant hereby undertakes&#58;</font></div><div><font><br></font></div><div style="padding-left:45pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">(1)</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;padding-left:6.34pt">To file, during any period in which offers or sales are being made, a post-effective amendment to this Registration Statement&#58;</font></div><div><font><br></font></div><div style="padding-left:67.5pt;text-indent:-22.5pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">(i)</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;padding-left:13.07pt">to include any prospectus required by Section 10(a)(3) of the Securities Act&#59;</font></div><div><font><br></font></div><div style="padding-left:67.5pt;text-align:justify;text-indent:-22.5pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">(ii)</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;padding-left:10.3pt">to reflect in the prospectus any facts or events arising after the effective date of this Registration Statement (or the most recent post-effective amendment thereof) which, individually or in the aggregate, represent a fundamental change in the information set forth in this Registration Statement. Notwithstanding the foregoing, any increase or decrease in volume of securities offered (if the total dollar value of securities offered would not exceed that which was registered) and any deviation from the low or high end of the estimated maximum offering range may be reflected in the form of prospectus filed with the Commission pursuant to Rule 424(b) if, in the aggregate, the changes in volume and price represent no more than 20% change in the maximum aggregate offering price set forth in the &#8220;Calculation of Registration Fee&#8221; table in the effective registration statement&#59; and</font></div><div><font><br></font></div><div style="padding-left:67.5pt;text-align:justify;text-indent:-22.5pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">(iii)</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;padding-left:7.53pt">to include any material information with respect to the plan of distribution not previously disclosed in this Registration Statement or any material change to such information in this Registration Statement&#59;</font></div><div><font><br></font></div><div style="padding-left:67.5pt;text-align:justify"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">provided, however, that paragraphs (1)(i) and (1)(ii) do not apply if the information required to be included in a post-effective amendment by those paragraphs is contained in reports filed with or furnished to the Commission by the registrant pursuant to Section 13 or Section 15(d) of the Exchange Act that are incorporated by reference in this Registration Statement.</font></div><div><font><br></font></div><div style="padding-left:45pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">(2)</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;padding-left:6.34pt">That, for the purpose of determining any liability under the Securities Act, each such post-effective amendment shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof.</font></div><div><font><br></font></div><div style="padding-left:45pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">(3)</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;padding-left:6.34pt">To remove from registration by means of a post-effective amendment any of the securities being registered which remain unsold at the termination of the offering.</font></div><div><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">(b)</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;padding-left:6.34pt">The undersigned registrant hereby undertakes that, for purposes of determining any liability under the Securities Act, each filing of the registrant&#8217;s annual report pursuant to Section 13(a) or Section 15(d) of the Exchange Act (and, where applicable, each filing of an employee benefit plan&#8217;s annual report pursuant to Section 15(d) of the Exchange Act) that is incorporated by reference in this Registration Statement shall be deemed a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed the initial bona fide offering thereof.</font></div><div><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">(c)</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;padding-left:6.91pt">Insofar as indemnification for liabilities arising under the Securities Act may be permitted to directors, officers and controlling persons of the registrant pursuant to the foregoing provisions, or otherwise, the registrant has been advised that in the opinion of the Commission such indemnification is against public policy as expressed in the Securities Act and is, therefore, unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by the registrant of expenses incurred or paid by a director, officer or controlling person of the registrant in the successful defense of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities being registered, the registrant will, unless in the opinion of its counsel the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Securities Act and will be governed by the final adjudication of such issue.</font></div><div><font><br></font></div><div style="height:54pt;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:120%">5</font></div></div></div><div id="i9a9159639e794586a141835f4545f6c4_136"></div><hr style="page-break-after:always"><div style="min-height:54pt;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:112%">SIGNATURES</font></div><div><font><br></font></div><div style="text-align:justify;text-indent:32.39pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:128%">Pursuant to the requirements of the Securities Act, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Pittsburgh, Commonwealth of Pennsylvania, on this 7th day of July, 2021.</font></div><div style="text-indent:276pt"><font><br></font></div><div style="text-indent:276pt"><font><br></font></div><div style="text-align:right"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:47.514%"><tr><td style="width:1.0%"></td><td style="width:8.746%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:89.054%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></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%">WESCO INTERNATIONAL, INC.</font></td></tr><tr style="height:14pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:14pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:right;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"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#47;s&#47; John J. Engel</font></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;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%">John J. Engel</font></td></tr><tr><td colspan="3" style="padding:0 1pt"></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%">Chairman, President and Chief Executive Officer</font></td></tr></table></div><div style="height:54pt;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:120%">6</font></div></div></div><div id="i9a9159639e794586a141835f4545f6c4_118"></div><hr style="page-break-after:always"><div style="min-height:54pt;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:112%">POWER OF ATTORNEY</font></div><div><font><br></font></div><div style="text-align:justify;text-indent:32.39pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:105%">The undersigned officers and directors of WESCO International, Inc. hereby severally constitute John J. Engel and David S. Schulz and each of them singly our true and lawful attorneys, with full power to them and each of them singly, to sign for us in our names in the capacities indicated below this Registration Statement on Form S-8 filed herewith and any and all amendments thereto, and generally do all such things in our name and on our behalf in our capacities as officers and directors to enable WESCO International, Inc. to comply with the provisions of the Commission, hereby ratifying and confirming our signatures as they may be signed by our said attorneys, or any one of them this Registration Statement on Form S-8 and any and all amendments thereto.</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:112%">Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the capacities indicated on this 7th day of July, 2021.</font></div><div><font><br></font></div><div><font><br></font></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:95.467%"><tr><td style="width:1.0%"></td><td style="width:40.400%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:3.187%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:47.751%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:4.262%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;text-indent:18pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Signature</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;text-indent:-3pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Title</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></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%">&#47;s&#47; John J. Engel</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;text-indent:18pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">John J. Engel</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;text-indent:15pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Chairman, President and Chief Executive Officer</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">(Principal Executive Officer)</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></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%">&#47;s&#47; David S. Schulz</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;text-indent:18pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">David S. Schulz</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;text-indent:-3pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Executive Vice President and Chief Financial Officer</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">(Principal Financial Officer)</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></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%">&#47;s&#47; Matthew S. Kulasa</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;text-indent:18pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Matthew S. Kulasa</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Senior Vice President, Corporate Controller and</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Chief Accounting Officer</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">(Principal Accounting Officer)</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></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%">&#47;s&#47; Matthew J. Espe</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;text-indent:18pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Matthew J. Espe</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Director</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></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%">&#47;s&#47; Bobby J. Griffin</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;text-indent:18pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Bobby J. Griffin</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Director</font></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div><font><br></font></div><div><font><br></font></div><div style="height:54pt;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:120%">7</font></div></div></div><hr style="page-break-after:always"><div style="min-height:54pt;width:100%"><div><font><br></font></div></div><div><font><br></font></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:95.321%"><tr><td style="width:1.0%"></td><td style="width:40.464%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:3.041%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:47.826%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:4.269%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;text-indent:18pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Signature</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;text-indent:-3pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Title</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></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%">&#47;s&#47; John K. Morgan</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;text-indent:18pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">John K. Morgan</font></td><td colspan="3" style="padding:0 1pt;text-indent:9.75pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;text-indent:9.75pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Director</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></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%">&#47;s&#47; Steven A. Raymund</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;text-indent:18pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Steven A. Raymund</font></td><td colspan="3" style="padding:0 1pt;text-indent:9.75pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;text-indent:9.75pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Director</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></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%">&#47;s&#47; James L. Singleton</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;text-indent:18pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">James L. Singleton</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;text-indent:7.5pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Director</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></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%">&#47;s&#47; Easwaran Sundaram</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;text-indent:18pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Easwaran Sundaram</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;text-indent:7.5pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Director</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></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%">&#47;s&#47; Laura K. Thompson</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;text-indent:18pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Laura K. Thompson</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;text-indent:7.5pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Director</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></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%">&#47;s&#47; Lynn M. Utter</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;text-indent:18pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Lynn M. Utter</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;text-indent:7.5pt;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Director</font></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div style="height:54pt;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:120%">8</font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>wcc-forms8_ex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head>
<!-- Document created using Wdesk -->
<!-- Copyright 2021 Workiva -->
<title>Document</title></head><body><div id="i781b3f22677043bcb30aeca9d7f4b797_33"></div><div style="min-height:54pt;width:100%"><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Exhibit 5.1</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:112%">&#91;Letterhead of Wachtell, Lipton, Rosen &#38; Katz&#93;</font></div><div style="text-align:center"><font><br></font></div><div style="margin-top:6pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">July 7, 2021</font></div><div style="margin-top:9pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">WESCO International, Inc.</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">225 West Station Square Drive, Suite 700</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Pittsburgh, PA 15219</font></div><div><font><br></font></div><div style="text-indent:24.5pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Re&#58; Registration Statement on Form S-8</font></div><div style="text-indent:24.5pt"><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Ladies and Gentlemen&#58;</font></div><div><font><br></font></div><div style="text-align:justify;text-indent:22.5pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">We have acted as special counsel to WESCO International, Inc., a Delaware corporation (the &#8220;</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">Company</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">&#8221;), in connection with the filing by the Company with the U.S. Securities and Exchange Commission of a registration statement on Form S-8 (the &#8220;</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">Registration Statement</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">&#8221;) relating to the registration of an additional 2,150,000 shares (the &#8220;</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">Shares</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">&#8221;) of the Company&#8217;s common stock, par value $0.01 per share (&#8220;</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">Common Stock</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">&#8221;), issuable by the Company pursuant to the WESCO International, Inc. 2021 Omnibus Incentive Plan (the &#8220;</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">2021 Plan</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">&#8221;)</font><font style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">.</font></div><div style="text-indent:22.5pt"><font><br></font></div><div style="text-align:justify;text-indent:24.5pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">This opinion letter is delivered in accordance with the requirements of Item 601(b)(5) of Regulation S-K promulgated under the Securities Act of 1933, as amended (the &#8220;</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">Securities Act</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">&#8221;).</font></div><div style="text-indent:24.5pt"><font><br></font></div><div style="text-align:justify;text-indent:24.5pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">In connection with this opinion letter, we have examined and are familiar with originals or copies, certified or otherwise identified to our satisfaction, of&#58;</font></div><div style="text-indent:24.5pt"><font><br></font></div><div style="padding-left:40.5pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">(i)</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;padding-left:8.57pt">the Company&#8217;s amended and restated certificate of incorporation, as currently in effect&#59;</font></div><div style="margin-top:9pt;padding-left:40.5pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">(ii)</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;padding-left:5.8pt">the Company&#8217;s amended and restated by-laws, as currently in effect&#59;</font></div><div style="margin-top:9pt;padding-left:40.5pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">(iii)</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;padding-left:3.03pt">certain resolutions adopted by the Board of Directors of the Company&#59;</font></div><div style="margin-top:9pt;padding-left:40.5pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">(iv)</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;padding-left:3.57pt">the 2021 Plan&#59; and</font></div><div style="margin-top:9pt;padding-left:40.5pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">(v)</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;padding-left:6.34pt">the Registration Statement.</font></div><div><font><br></font></div><div style="text-align:justify;text-indent:24.5pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">We have also examined and relied upon such certificates, corporate records, agreements, instruments and other documents, and examined such matters of law, that we considered necessary or appropriate as a basis for the opinion set forth below.</font></div><div style="text-indent:24.5pt"><font><br></font></div><div style="text-align:justify;text-indent:24.5pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">In examining the foregoing documents, we have assumed that all signatures are genuine, all documents purporting to be originals are authentic, all documents for which signed copies were not available were in fact signed and duly authorized on behalf of the Company, as represented to us by the Company, all copies of documents conform to the originals (including those documents for which signed copies were not available), and the representations and statements included therein are accurate.  As to any facts material to the opinions expressed herein that we did not independently establish or verify, we have relied upon oral or written statements and representations of officers and other representatives of the Company.</font></div><div style="text-indent:24.5pt"><font><br></font></div><div style="text-align:justify;text-indent:24.5pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Based upon the foregoing and subject to the assumptions, qualifications and limitations set forth herein, we are of the opinion that the Shares have been duly authorized by the requisite corporate action on behalf of the Company and, upon issuance in accordance with the terms of the 2021 Plan, will be validly issued, fully paid and non-assessable.</font></div><div style="text-indent:24.5pt"><font><br></font></div><div style="text-align:justify;text-indent:24.5pt"><font style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">We are members of the bar of the State of New York, and we do not express any opinion herein concerning any law other than the </font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">General Corporation Law of the State of Delaware, as amended (including the statutory provisions, all applicable provisions of the Delaware Constitution and reported judicial decisions interpreting the foregoing). This opinion letter is being furnished solely in connection with the offer, sale and issuance of the Shares and may not be used, quoted, relied upon or otherwise referred to for any other purpose without our prior written consent.</font></div><div style="text-indent:24.5pt"><font><br></font></div><div style="text-align:justify;text-indent:24.5pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">We hereby consent to the filing of this opinion as Exhibit 5.1 to the aforementioned Registration Statement. In giving such consent, we do not thereby admit that we are experts within the meaning of the Securities Act or that we are in the category of persons whose consent is required under Section 7 of the Securities Act.</font></div><div><font><br></font></div><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Very truly yours,</font></div><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">&#47;s&#47; Wachtell, Lipton, Rosen &#38; Katz</font></div><div style="height:54pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>wcc-forms8_ex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head>
<!-- Document created using Wdesk -->
<!-- Copyright 2021 Workiva -->
<title>Document</title></head><body><div id="ied847039795e4586b2dbcc159a5f4fe3_33"></div><div style="min-height:54pt;width:100%"><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Exhibit 23.1</font></div></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:112%;text-decoration:underline">CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM</font></div><div style="margin-top:12pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of WESCO International, Inc. of our report dated March 1, 2021 relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in WESCO International, Inc.&#8217;s Annual Report on Form 10-K for the year ended December 31, 2020.</font></div><div style="margin-top:12pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">&#47;s&#47; PricewaterhouseCoopers</font></div><div style="margin-top:12pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Pittsburgh, Pennsylvania</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">July 7, 2021</font></div><div style="height:54pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
