Statement of Changes in Beneficial Ownership - Form 4

Ownership Submission

FORM 4 Check this box if no longer subject to Section 16, Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Green Equity Investors VII, L.P. 2. Issuer Name and Ticker or Trading Symbol WESCO INTERNATIONAL INC [WCC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 11111 SANTA MONICA BOULEVARD , SUITE 2000 3. Date of Earliest Transaction (Month/Day/Year) (Street) LOS ANGELES CA 90025 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Join/Group Filing(Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code 4. Securities Acquired (A) or Disposed of (D) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) 6. Ownership Form: Direct (D) or Indirect (I) 7. Nature of Indirect Beneficial Ownership Code V Amount (A) or (D) Price

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivate Security	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code	5. Number of Derivative Securities Acquired (A) or Disposed of (D)	6. Date Exercisable and Expiration Date	7. Title and Amount of Securities Underlying Derivative Security	8. Price of Derivative Security	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)	11. Nature of Indirect Beneficial Ownership
Code	V	(A)	(D)	Date Exercisable	Expriation Date	Title	Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
Director	10% Owner	Officer	Other
Green Equity Investors VII, L.P. 11111 SANTA MONICA BOULEVARD SUITE 2000 LOS ANGELES, CA90025
Green Equity Investors Side VII, L.P. 11111 SANTA MONICA BOULEVARD SUITE 2000 LOS ANGELES, CA90025
GEI Capital VII, LLC 11111 SANTA MONICA BOULEVARD SUITE 2000 LOS ANGELES, CA90025
Leonard Green & Partners, L.P. 11111 SANTA MONICA BOULEVARD SUITE 2000 LOS ANGELES, CA90025
LGP MANAGEMENT INC 11111 SANTA MONICA BOULEVARD SUITE 2000 LOS ANGELES, CA90025

Signatures

/s/ Andrew C. Goldberg, attorney-in-fact	2024-05-09
**Signature of Reporting Person	Date

Explanation of Responses:

(*)	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
(**)	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Represents shares of common stock, par value $0.01 per share, of WESCO International, Inc. (the "Issuer" and such common stock, the "Common Stock") sold by Green Equity Investors VII, L.P. ("GEI VII").
(2)	Represents shares owned by GEI VII.
(3)	GEI Capital VII, LLC ("Capital") is the general partner of GEI VII and Green Equity Investors Side VII, L.P. ("GEI Side VII"). Leonard Green & Partners, L.P.("LGP") is the management company of GEI VII and GEI Side VII, and an affiliate of Capital. LGP Management, Inc. ("LGPM") is the general partner of LGP.
(4)	Each of GEI VII, GEI Side VII, LGP, LGPM, and Capital, directly (whether through ownership or position), or indirectly through one or more intermediaries, maybe deemed for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, to be the indirect beneficial owner of some or all of the Common Stock owned by GEI VII or GEI Side VII, and, therefore, a "ten percent holder" hereunder.
(5)	Each of GEI Side VII, LGP, LGPM, and Capital disclaims beneficial ownership of the Common Stock reported on this row, except to the extent of its pecuniary interest therein, and, with respect to GEI VII, except to the extent of its direct ownership reported herein, and this report shall not otherwise be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or for any other purposes.
(6)	Represents shares sold by GEI Side VII.
(7)	Represents shares owned by GEI Side VII.
(8)	Each of GEI VII, LGP, LGPM, and Capital disclaims beneficial ownership of the Common Stock reported on this row, except to the extent of its pecuniary interest therein, and, with respect to GEI Side VII, except to the extent of its direct ownership reported herein, and this report shall not otherwise be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or for any other purposes.

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