Company: WCC
Filing Date: 2025-04-10
Form Type: DEF 14A
Source: 0001193125-25-078098
Chunk: 4

Company: WESCO INTERNATIONAL INC
Filing Date: 2025-04-10
Form: DEF 14A
Chunk 4
---
     | FOR            |     | Abstentions will have the effect of a vote against the proposal; brokers may vote in their discretion on the proposal, so no broker non-votes are expected on the proposal. Approval requires a majority of shares represented at the meeting and entitled to vote and voting thereon. |
| 5         |     | Shareholder Proposal to Give Shareholders the Ability to Call for a Special Shareholder Meeting                                                               |     | AGAINST        |     | Broker non-votes will have no effect on the proposal; abstentions will have the effect of a vote against the proposal. Approval requires a majority of shares represented at the meeting and entitled to vote and voting on the matter.                                                |

Action may be taken at the Annual Meeting with respect to any other business that properly comes before the meeting, and the proxy holders have the right to and will vote in accordance with their judgment on any additional business. How do I cast my vote? There are four different ways you may cast your vote. You may vote by:

| • |     | internet, follow the instructions provided on the Notice; |

| • |     | telephone, call the toll-free number listed on the Notice; |

| • |     | mail, follow the instructions on the Notice to request a paper proxy card and proxy materials and then mark, sign, date and return each proxy card by mail in the postage-paid envelope provided; or |

| • |     | attending the virtual Annual Meeting and voting your shares online during the open poll section of the Annual Meeting at http://www.virtualshareholdermeeting.com/WCC2025. |

| Wesco 2025 Proxy Statement |     | Questions and Answers |     | 3 |

The deadline for voting by internet, telephone, or mail is receipt by 11:59 p.m. E.D.T. on May 21, 2025. If you have any questions or need assistance with voting, please contact our proxy solicitor, Innisfree M&A Incorporated (“Innisfree”) at (888) 750-5834(for shareholders) or (212) 750-5833(for banks and brokers). How do I revoke or change my vote? If you have returned a proxy via the internet, telephone or mail, you may revoke it at any time before it is voted at the Annual Meeting by:

| • |     | attending the virtual Annual Meeting and voting online during the open poll section of the meeting. |

What is the difference between holding shares as a registered stockholder and