Company: WCC
Filing Date: 2025-04-10
Form Type: DEF 14A
Source: 0001193125-25-078098
Chunk: 50

Company: WESCO INTERNATIONAL INC
Filing Date: 2025-04-10
Form: DEF 14A
Chunk 50
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 expatriate assignment program, which includes a tax equalization benefit for employees on assignment outside of their home country. The amount relates to taxation of equity compensation relevant to the period when he resided in Canada. Tax payments made in Canadian dollars were converted to U.S. dollars based on the then prevailing Canadian dollar/U.S. dollar exchange rate on the date of payment, which was approximately 0.70. |

| (3) | Represents the payment in case of fractional dividend equivalents remaining after the last vesting RSUs and the vesting of PSUs. |

| Wesco 2025 Proxy Statement |     | Compensation Tables |     | 52 |

Grants of Plan-Based Awards The following table summarizes the grants of equity and non-equityplan-based awards made to the executive officers named in the Summary Compensation Table during the fiscal year ended December 31, 2024. The equity awards were granted under the Company’s 2021 Omnibus Incentive Plan.

| Name    |     | Grant 
 Date  |           |     | Approval 
 Date     |           |     | Award Type              |     | Estimated Future Payouts        
 Under Non-Equity Incentive Plan 
 Awards(1)                       
 Threshold                       
 ($)                             |         |     | Target 
 ($)    |           |     | Maximum 
 ($)     |           |     | Estimated Future Payouts    
 Under Equity Incentive Plan 
 Awards(2)                   
 Threshold                   
 (#)                         |       |     | Target 
 (#)    |        |     | Maximum 
 (#)     |        |     | All Other 
 Stock     
 Awards:   
 Number of 
 Shares of 
 Stock or  
 Units     
 (#)(3)    |        |     | All Other  
 Option     
 Awards:    
 Number of  
 Securities 
 Underlying 
 Options    
 (#)(4)     |        |     | Exercise or 
 Base Price  
 of Option   
 Awards      
 ($/Sh)(5)   |        |     | Grant Date 
 Fair Value 
 of Stock   
 and Option 
 Awards     
 ($)(6)     |           |
|:--------|:----|:------|:----------|:----|:---------|:----------|:----|:------------------------|:----|:--------------------------------|--------:|:----|:-------|----------:|:----|:--------|----------:|:----|:----------------------------|------:|:----|:-------|-------:|:----|:--------|-------:|:----|: