Company: WCC
Filing Date: 2025-03-27
Form Type: PRE 14A
Source: 0001193125-25-065641
Chunk: 13

Company: WESCO INTERNATIONAL INC
Filing Date: 2025-03-27
Form: PRE 14A
Chunk 13
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 leadership structure and is in the best interests of the Company and its stockholders at this time. Communications with Directors Our Board has established a process by which stockholders and other interested parties may communicate with the Board, our Board Committees, and/or individual Directors by confidential e-mail.Such communications should be sent in writing to the e-mailaddress noted in the corporate governance section of our website at https://www.wesco.com/us/en/our-company/leadership.html#contact. Our Chief Compliance Officer will review all of these communications on a timely basis and will forward appropriate communications (i.e., other than solicitations, invitations, advertisements, or similar communications) to the relevant Board members on a timely basis. Stockholders who wish to communicate with our Board in writing via regular mail should send correspondence to: WESCO International, Inc., 225 West Station Square Drive, Suite 700, Pittsburgh, Pennsylvania, 15219-1122, Attention: Corporate Secretary. Our Board members routinely attend our Annual Meeting of Stockholders. This provides you with additional opportunities to communicate with our Board. All of our Board members were present at our Annual Meeting of Stockholders.

| Wesco 2025 Proxy Statement |     | Corporate Governance |     | 17 |

Director Nominating Procedures Our Nominating and Governance Committee recommends potential candidates for nomination as Director based on a number of criteria, including the needs of our Board. Any stockholder who would like the Nominating and Governance Committee to consider a candidate for Board membership should send a letter of recommendation that includes:

| • |     | The name and address of the proposed candidate; |

| • |     | The proposed candidate’s resume or a listing of his or her qualifications to be a Director on our Board; |

| • |     | A description of why the proposed candidate would be a valuable addition to our Board; |

| • |     | A description of any relationship that could affect the proposed candidate’s ability to qualify as an independent Director, including identifying all other public or private company board and committee memberships; |

| • |     | A confirmation of the proposed candidate’s willingness to serve as a Director if selected by our Nominating and Governance Committee; |

| • |     | Any information about the proposed candidate that, under the federal proxy rules, would be required to be included in our Proxy Statement if the proposed candidate were a nominee or otherwise is required to be provided pursuant to our Amended and Restated By-Laws (our “By-Laws”); and |

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