Company: WCC
Filing Date: 2025-04-10
Form Type: DEF 14A
Source: 0001193125-25-078098
Chunk: 69

Company: WESCO INTERNATIONAL INC
Filing Date: 2025-04-10
Form: DEF 14A
Chunk 69
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-selected measure for the pay versus performance disclosure, as it represents an important financial performance measure used to link compensation actually paid to the PEO and the other NEOs in 2024 to the Company’s performance.

| Wesco |     | Pay vs. Performance |     | 64 |

Listed below are the financial performance measures that we believe represent the most important financial performance measures we use to link compensation actually paid to our NEOs to our performance for the most recently completed fiscal year.

| Most Important Performance Measures |
| Adjusted EBITDA                     |
| Net Income                          |
| Total Shareholder Return (TSR)      |

| Wesco 2025 Proxy Statement |     | Proposal 3 - Approve Amendments to the Company’s Restated Certificate of Incorporation to 
 Provide Stockholders with the Right to Request a Special Meeting of Stockholders          |     | 65 |

Proposal 3: Approve Amendments to the Company’s Restated Certificate of Incorporation to Provide Stockholders with the Right to Request a Special Meeting of Stockholders The Board of Directors has unanimously approved, and recommends that stockholders approve, an amendment to our Restated Certificate of Incorporation, as amended (the “Restated Certificate of Incorporation”), to provide stockholders owning a combined 25% or more of our outstanding Common Stock with the right to request a special meeting of stockholders. Background of the Proposal Currently, under our Restated Certificate of Incorporation and our Amended and Restated By-Laws,only the Chairman or the Board of Directors may call a special meeting of stockholders. As part of the Board’s ongoing review of our corporate governance practices and consideration of stockholder feedback, the Board has determined it is appropriate to provide stockholders with the right to request special meetings of stockholders, subject to appropriate procedural requirements and safeguards. Proposed Amendment to Our Restated Certificate of Incorporation The proposed changes to Article XI of our current Restated Certificate of Incorporation pursuant to the proposed amendments contemplated by Proposal 3, are indicated below, with additions marked by underlined text and deletions indicated by strike-outtext. ARTICLE XI. Subject to the requirements of applicable law, a special meeting of the stockholders of the Corporation may be called (i) by a majority of the members of the Board of Directors, (ii) by the Chairman of the Board, or (iii) by the Secretary of the Corporation upon receipt of the written request of one or more holders (and the record or beneficial owners, if any, such holders represent) representing