Company: WCC
Filing Date: 2025-04-10
Form Type: DEF 14A
Source: 0001193125-25-078098
Chunk: 28

Company: WESCO INTERNATIONAL INC
Filing Date: 2025-04-10
Form: DEF 14A
Chunk 28
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 Air Products Canada of Air Products and Chemicals, Inc. He has also served in regional and general management positions, as Director of Investor Relations, and in various sales positions at Air Products. Earlier in his career, he was a Captain in the United States Army. Christine A. Wolfhas served as our Executive Vice President and Chief Human Resources Officer since June 2020, and from June 2018 to June 2020 as Senior Vice President and Chief Human Resources Officer. Before joining Wesco from 2011 to June 2018, Ms. Wolf served as the Chief Human Resources Officer of Orbital ATK, Inc. until its acquisition by Northrop Grumman. From 2008 to 2011, she served as the Chief Human Resources Officer of Fannie Mae and from 2004 to 2008 she served as Chief Human Resources Officer of E*Trade Financial Corporation. Prior to that, she held various positions in human resources with companies in a variety of industries.

| Wesco 2025 Proxy Statement |     | Proposal 2 - Approve, on an Advisory Basis, the Compensation of the 
 Company’s Named Executive Officers                                  |     | 32 |

Proposal 2 — Approve, on an Advisory Basis, the Compensation of the Company’s Named Executive Officers This year, the Company is seeking that the stockholders approve the compensation of the Company’s named executive officers (commonly referred to as “say-on-pay”)as described in the “Compensation Discussion and Analysis” section, the tabular disclosure regarding named executive officer compensation and the narrative description accompanying such disclosure. As approved by our stockholders at the Annual Meeting of Stockholders in 2024 regarding the frequency of the advisory vote, and consistent with the Board’s recommendation, we are submitting this proposal on an annual basis. This vote is advisory only, meaning it is non-bindingon the Company; however, the Board and Compensation Committee will review and carefully consider the results when evaluating future compensation decisions. OUR BOARD UNANIMOUSLY RECOMMENDS A VOTE “FOR” APPROVAL OF THE COMPENSATION OF THE COMPANY’S NAMED EXECUTIVE OFFICERS. The Board endorses the Company’s executive compensation program and recommends that the stockholders vote in favor of the following resolution: RESOLVED, that the stockholders approve the compensation of the Company’s named executive officers as disclosed pursuant to Item 402 of SEC Regulation S-K,including as described under the “Compensation Discussion and Analysis” section, as well as the accompanying