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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): November 4, 2021
WESCO International, Inc.
(Exact name of registrant as specified in its charter)

Delaware |  | 001-14989 |  | 25-1723342
(State or other jurisdiction of incorporation) |  | (Commission File Number) |  | (IRS Employer Identification No.)
225 West Station Square Drive Suite 700 |  |  |  | 15219
Pittsburgh, | Pennsylvania |  |  |  | (Zip Code)
(Address of principal executive offices) |  |  |  |

(412) 454-2200
(Registrant's telephone number, including area code)
Not applicable.
(Former name or former address, if changed since last report)
SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT:

Title of Class |  | Trading Symbol(s) |  | Name of Exchange on which registered
Common Stock, par value $.01 per share |  | WCC |  | New York Stock Exchange
Depositary Shares, each representing a 1/100th interest in a share of Series A Fixed-Rate Reset Cumulative Perpetual Preferred Stock |  | WCC PR A |  | New York Stock Exchange

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company |  | ☐ |  |
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition.
The information in this Item 2.02 is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. The information in this Item 2.02 shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.
On November 4, 2021, WESCO International, Inc. (the “Company”) issued a press release announcing its financial results for the third quarter of 2021. A copy of the press release is attached hereto as Exhibit 99.1.
Item 7.01 Regulation FD Disclosure.
The information in this Item 7.01 is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. The information in this Item 7.01 shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.
A slide presentation to be used by executive management of the Company in connection with its discussions with investors regarding the Company's financial results for the third quarter of 2021 is included in Exhibit 99.2 to this report and is being furnished in accordance with Regulation FD of the Securities and Exchange Commission.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits.
99.1 Press Release, dated November 4, 2021
99.2 Slide presentation for investors
104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

|  | WESCO International, Inc.
|  | (Registrant)

November 4, 2021 | By: | /s/ David S. Schulz
(Date) |  | David S. Schulz
|  | Executive Vice President and Chief Financial Officer