Company: WCC
Filing Date: 2025-06-17
Form Type: 11-K
Source: 0000929008-25-000018
Chunk: 3

Company: WESCO INTERNATIONAL INC
Filing Date: 2025-06-17
Form: 11-K
Chunk 3
---
202,528,600 |     |      |   163,748,757 |
| Administrative expenses                                            |     |              |     1,265,618 |     |      |       856,875 |
| Total deductions                                                   |     |              |   203,794,218 |     |      |   164,605,632 |
| Net increase in net assets available for benefits before transfers |     |              |   213,232,428 |     |      |   291,171,528 |
| Transfers                                                          |     |              |               |     |      |               |
| Net transfers out of plan (Note 1)                                 |     |              |   -13,774,178 |     |      |             — |
| Net increase in net assets available for benefits after transfers  |     |              |   199,458,250 |     |      |   291,171,528 |
| Net assets available for benefits                                  |     |              |               |     |      |               |
| Beginning of year                                                  |     |              | 1,715,971,110 |     |      | 1,424,799,582 |
| End of year                                                        |     |            $ | 1,915,429,360 |     |    $ | 1,715,971,110 |

<div align='center'>The accompanying notes are an integral part of these financial statements.

3</div>

#### WESCO Distribution, Inc.

#### Retirement Savings Plan

#### Notes to Financial Statements

#### 1.

#### Description of Plan

#### General
The WESCO Distribution, Inc. Retirement Savings Plan (the “Plan”) was established as of February 28, 1994 (the “date of inception”). At the date of inception, certain employees of the predecessor company became employees of WESCO Distribution, Inc. (the “Company” or the “Plan Sponsor”) and participants in the Plan, and all funds held by the prior plans of the predecessor company were transferred to the Plan. The Plan is administered by the Benefits Fiduciary Committee (the “Plan Administrator”). The Plan Administrator is responsible for directing the Plan's administrative activities and oversees the selection of funds available to participants of the Plan for investment and reinvestment of the assets in the Plan's trust.

The Plan is a participant-directed defined contribution plan covering certain employees of the Company and former employees with a fund balance of at least $5,000 who elected to maintain their