Company: WCC
Filing Date: 2025-04-10
Form Type: DEF 14A
Source: 0001193125-25-078098
Chunk: 36

Company: WESCO INTERNATIONAL INC
Filing Date: 2025-04-10
Form: DEF 14A
Chunk 36
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      |     |                  |           |     | Free Cash Flow |     |                    | 25% |     |  Above target Free Cash Flow (200%) |     | $      |   252,344 |
|         |     |            |           |     |                  |      |     |                  |           |     |                |     |                    |     |     |                           Sub-Total |     | $      |   488,916 |
|         |     |            |           |     |                  |      |     |                  |           |     |                |     |                    |     |     |                                  -1 |     | $      |   366,687 |

| (1) | As described above, reflects a 25% reduction applied to the overall STIP payouts for all of the executive officers, including the CEO, in accordance with the CEO’s recommendations to the Committee. |

Long-Term Incentives The purpose of long-term incentives is to carefully align compensation with stockholder value creation, and thus long-term incentives comprise the centerpiece of executive compensation and a significant majority of our NEOs total compensation opportunity. Structure of Long-Term Incentives We structure our Long-Term Incentives (“LTI”) for our NEOs as follows:

| Long-Term Incentives   |     | Weighting |
| Performance Shares     |     | 50%       |
| Stock Options          |     | 25%       |
| Restricted Stock Units |     | 25%       |

Timing of LTI Grants Our practice has been to grant LTI equity awardson a predetermined schedule. As part of our annual performance and compensation review process, the Committee reviews and approves annual equity awards (inclusive of Stock Options, Restricted Stock Units and Performance Share Units) at the first quarterly meeting of each fiscal year, which occurs after the announcement

| Wesco |     | Compensation Discussion and Analysis |     | 42 |

of our annual results. Beginning in 2024, the grant date for annual equity awards has been established as March 1 of each year, which typically follows the filing of our Annual Report on Form 10-Kby a week or more. The intention of this timing was to choose a consistent date that would be at least a week removed from the announcement of annual results and filing of the Form 10-K.In addition to the annual grants, equity awards may be granted at other times during the year to new hires, employees receiving promotions, and in other special circumstances . The Committee