Company: WCC
Filing Date: 2025-03-27
Form Type: PRE 14A
Source: 0001193125-25-065641
Chunk: 33

Company: WESCO INTERNATIONAL INC
Filing Date: 2025-03-27
Form: PRE 14A
Chunk 33
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 differences in company size, based on annual revenues. Our compensation peer group in 2024 comprises the following 26 companies:

| 2024 COMPENSATION PEER GROUP |     |                           |     |                                    |     |                            |
| AECOM                        |     | Eaton Corporation plc     |     | Johnson Controls International plc |     | Trane Technologies plc     |
| Arrow Electronics, Inc.      |     | Flex Ltd.                 |     | Parker-Hannifin Corporation        |     | United Natural Foods, Inc. |
| Avnet, Inc.                  |     | Fluor Corporation         |     | Performance Food Group Company     |     | United Rentals, Inc.       |
| Builders FirstSource, Inc.   |     | Genuine Parts Company     |     | Quanta Services, Inc.              |     | US Foods Holding Corp.     |
| CDW Corporation              |     | Henry Schein, Inc.        |     | Stanley Black & Decker, Inc.       |     | W.W. Grainger, Inc.        |
| Corning Incorporated         |     | Insight Enterprises, Inc. |     | TD SYNNEX Corporation              |     |                            |
| Cummins Inc.                 |     | Jabil Inc.                |     | TE Connectivity Ltd.               |     |                            |

The Committee reviews with Meridian the composition of our peer group annually to ensure that companies are relevant for comparative purposes. For 2024, based on a qualitative review of our peer group, the Committee added Parker-Hannifin Corporation to the peer group and removed CommScope Holding Company, Inc. and Univar Solutions Inc. Elements of Compensation Base Salaries Base salaries are intended to provide our NEOs with a level of competitive cash compensation that is critical for retention and appropriate given their positions, responsibilities and accomplishments with the Company. Salaries for NEOs are reviewed annually. The Committee reviews detailed individual salary history for the NEOs and compares their base salaries to salaries for comparable positions at companies within our peer group. In 2024, the Committee performed its annual assessment of base salaries in February. The Committee reviewed compensation market data, based on analysis prepared by Meridian, using our compensation peer group.

| NEO                    |     | Annual Base Salary 
  Beginning of 2024 |     | Annual Base Salary 
 Effective April 1, 
               2024 |
|:-----------------------|:----|-------------------:|:----|-------------------:|
| John J. Engel          |