Company: WBS-PG
Filing Date: 2025-06-26
Form Type: 11-K
Source: 0000801337-25-000059
Chunk: 3

Company: WEBSTER FINANCIAL CORP
Filing Date: 2025-06-26
Form: 11-K
Chunk 3
---
 |     |      |    64,548,140 |
| Administrative expenses                               |     |                          |       249,785 |     |      |        51,993 |
| Total deductions                                      |     |                          |   114,923,906 |     |      |    64,600,133 |
| Net increase                                          |     |                          |   108,440,267 |     |      |    92,169,266 |
| Transfer in due to plan merger                        |     |                          |     2,220,585 |     |      |   351,313,341 |
| Net assets available for benefits                     |     |                          |               |     |      |               |
| Beginning of year                                     |     |                          | 1,019,008,040 |     |      |   575,525,433 |
| End of year                                           |     | $                        | 1,129,668,892 |     | $    | 1,019,008,040 |

See accompanying Notes to Financial Statements.

<div align='center'>3</div>

### WEBSTER BANK RETIREMENT SAVINGS PLAN

### NOTES TO FINANCIAL STATEMENTS

#### 1. Description of the Plan
The following description of the Webster Bank Retirement Savings Plan (the Plan) provides only general information. Participants should refer to the plan document for a more complete description of the Plan’s provisions.

#### General
The Plan is sponsored and administered by Webster Bank, National Association (the Bank), a subsidiary of Webster Financial Corporation (the Company), and covers all eligible employees of the Company and the Bank and its subsidiaries who are age 21 or older. The Plan is subject to the provisions of the Employee Retirement Income Security Act of 1974 (ERISA), as amended. The Retirement Plans Committee is responsible for the oversight of the Plan.

#### Plan Mergers
Effective December 29, 2023, the Sterling National Bank 401(k) and Profit Sharing Plan was merged with and into the Plan (the Sterling Plan Merger). The transfer in of net assets associated with the Sterling Plan Merger totaled $351,313,341, and comprised $287,954,031 of non-interest-bearing cash, $59,678,014 of investments in-kind, including $53,493,678 of Webster Financial Corporation Common Stock, $3,255,140 of notes receivable from participants in-kind, $176,321 of employer contributions receivable,