Company: WCC
Filing Date: 2025-04-10
Form Type: DEF 14A
Source: 0001193125-25-078098
Chunk: 1

Company: WESCO INTERNATIONAL INC
Filing Date: 2025-04-10
Form: DEF 14A
Chunk 1
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 to invite you to attend our 2025 Annual Meeting of Stockholders. It will be held via live audio webcast on May 22, 2025. Details regarding the items of business to be conducted at the Annual Meeting are described in the accompanying Proxy Statement:

| 1. | Elect ten Directors for a one-year term expiring in 2026. |

| 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. |

| 5. | Vote on shareholder proposal to give shareholders the ability to call for a special shareholder meeting. |

| 6. | Transact any other business properly brought before the Annual Meeting. |

| Voting can be completed in one of four ways: |     |                           |     |                   |     |                             |
| returning the proxy card                     
 by mail                                      |     | refer to the phone number 
 on your voting card       |     | online at         
 www.proxyvote.com |     | online during the open poll 
 section of the meeting      |

We are sending a Notice Regarding the Availability of Proxy Materials to you on or about April 10, 2025. Stockholders of record at the close of business on March 27, 2025 will be entitled to vote at our Annual Meeting or any adjournments or postponements of the meeting. You have a choice of voting online during the open poll section of the meeting, over the internet, by telephone, or by requesting a paper copy of the proxy materials and a proxy card and then executing and returning the proxy card. In order to assure a quorum, please vote over the internet or by telephone, or request a paper copy of a proxy card and then complete, sign, date and return the proxy card in the postage-paid envelope provided, whether or not you plan to attend the meeting. Thank you for your ongoing support of Wesco. By order of the Board of Directors, John J. Engel Chairman, President and Chief Executive Officer

| Table of Contents |

| Questions and Answers                                                                                        |     |  1 |
| Proposal 1 – Vote for Election of Directors                                                                  |     |  5 |
| Board of Directors                                                                                           |     |  5 |
| Corporate Governance                                                                                         |     | 13 |
| Board and Committee Meetings                                                                                 |     | 23 |