Company: WCC
Filing Date: 2025-04-10
Form Type: DEF 14A
Source: 0001193125-25-078098
Chunk: 79

Company: WESCO INTERNATIONAL INC
Filing Date: 2025-04-10
Form: DEF 14A
Chunk 79
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pe 09) Easwaran Sundaram 05) Bobby J. Griffin 10) Laura K. Thompson The Board of Directors recommends you vote FOR proposals 2, 3 and 4. For Against Abstain 2. Approve, on an advisory basis, the compensation of the Company’s named executive officers. ! ! ! 3. Approve amendments to the Company’s Restated Certificate of Incorporation to provide Stockholders with the right to request a special meeting of ! ! ! stockholders. 4. Ratify the appointment of PricewaterhouseCoopers LLP as our independent registered public accounting firm for the year ending December 31, 2025. ! ! ! The Board recommends you vote AGAINST Proposal 5. For Against Abstain 5. Shareholder proposal to give Shareholders the ability to call for a special shareholder meeting. ! ! ! NOTE: Transact any other business properly brought before the Annual Meeting. Please sign exactly as your name(s) appear(s) hereon. When signing as attorney, executor, administrator, or other fiduciary, please give full title as such. Joint owners should each sign personally. All holders must sign. If a corporation or partnership, please sign in full corporate or partnership name by authorized officer. Signature [PLEASE SIGN WITHIN BOX] Date Signature (Joint Owners) Date

Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting: The Notice and Proxy Statement and Annual Report are available at www.proxyvote.com. V68708-P25959 WESCO INTERNATIONAL, INC. This proxy is solicited by the Board of Directors Annual Meeting of Stockholders May 22, 2025 at 2:00 PM, EDT The undersigned hereby appoints David S. Schulz, Diane E. Lazzaris, and Charles C. Kim, and each of them, as Proxies with full power of substitution, to represent the undersigned and to vote all the shares of Common Stock of WESCO International, Inc., which the undersigned would be entitled to vote if personally present and voting at the Annual Meeting of Stockholders to be held via live audio webcast at www.virtualshareholdermeeting.com/WCC2025 on May 22, 2025, at 2:00 PM, EDT, or any adjournment or postponement thereof, upon all matters properly coming before the meeting. This proxy, when properly executed, will be voted in the manner directed herein. If no such direction is made on any particular matter