Company: WCC
Filing Date: 2025-06-17
Form Type: 11-K
Source: 0000929008-25-000018
Chunk: 16

Company: WESCO INTERNATIONAL INC
Filing Date: 2025-06-17
Form: 11-K
Chunk 16
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11</div>

#### WESCO Distribution, Inc.

#### Retirement Savings Plan

#### Notes to Financial Statements

#### 9.

#### Subsequent Events
The Plan Sponsor evaluated subsequent events for recognition or disclosure in these financial statements through June 17, 2025, the day these financial statements were available to be issued, and determined there were no subsequent events that would require recognition in these financial statements or disclosure in the notes thereto.

<div align='center'>12</div>

| WESCO Distribution, Inc.                                                     |
| Retirement Savings Plan                                                      |
| Schedule H (Form 5500), line 4(i) - Schedule of Assets (Held at End of Year) |
| As of  December 31, 2024                                                     |
| EIN 25-1723345, Plan Number 001                                              |

| (a) |     | (b)                                                                                                                                                        
 Identity of Issue,                                                                                                                                         
 Borrower, Lessor or                                                                                                                                        
 Similar Party                                                                                                                                              |     | (c)                                                          
 Description of Investment                                    
 Including Maturity Date,                                     
 Rate of Interest, Collateral,                                
 Par, or Maturity Value                                       |     | (d)     
 Cost(1) |     | (e)     
 Current 
 Value   |               |
|:----|:----|:-----------------------------------------------------------------------------------------------------------------------------------------------------------|:----|:-------------------------------------------------------------|:----|:--------|:----|:--------|--------------:|
|     |     | GABELLI                                                                                                                                                    |     | Gabelli U.S. Treasury Money Market Fund Class AAA            |     |         |     | $       |    33,756,683 |
|     |     | BARON FUNDS                                                                                                                                                |     | Baron Small Cap Fund Class R-6                               |     |         |     |         |    19,654,846 |
|     |     | COHEN & STEERS                                                                                                                                             |     | Cohen & Steers Global Realty Shares, Inc. Class Z            |     |         |     |         |     2,885,022 |
| *   |     | FIDELITY                                                                                                                                                   |     | Fidelity Inflation-Protected Bond Index Fund                 |     |         |     |         |     2,435,122 |
| *   |     | FIDELITY                                                                                                                                                   |     | Fidelity U.S. Bond Index Fund                                |     |         |     |         |    11,924,251 |
|     |     | HARTFORD FUN