Company: WBS-PG
Filing Date: 2025-09-05
Form Type: 424B5
Source: 0001193125-25-197211
Chunk: 10

Company: WEBSTER FINANCIAL CORP
Filing Date: 2025-09-05
Form: 424B5
Chunk 10
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 for U.S. federal income tax purposes; (ii) a subsequent event occurs that, as a result of which, there is more than an insubstantial risk that we       
 would not be entitled to treat the Notes as Tier 2 capital for regulatory capital purposes; or (iii) we are required to register as an investment company under the Investment Company Act of 1940, as amended; in each case, at a redemption price    
 equal to 100% of the principal amount of the Notes plus any accrued and unpaid interest to, but excluding, the redemption date. For more information, see “Description of the Notes—Redemption.”                                                       |

| Sinking Fund | There is no sinking fund for the Notes. |

| Future Issuances | The Notes will initially be limited to an aggregate principal amount of $350,000,000. We may, from time to time, without notice to or consent of the                                                                                                      
 holders of the Notes, increase the aggregate principal amount of the Notes outstanding by issuing additional Notes in the future with the same terms as the Notes, except for the issue date, the offering price and the first interest payment date, and 
 such additional notes may be consolidated with the Notes issued in this offering and form a single series; provided that if any such additional notes are not                                                                                             |

S-4

| fungible with the Notes issued in this offering for U.S. federal income tax purposes, such additional notes will have a separate CUSIP or other identifying number. |

| Use of Proceeds | We estimate that the net proceeds from this offering will be approximately $345.7 million, after deducting the underwriting discount and our estimated offering expenses. We intend to use the net proceeds of this offering for general 
 corporate purposes, which may include, but are not limited to, the partial or full redemption of our subordinated indebtedness. See “Use of Proceeds.”                                                                                   |

| Listing | The Notes will not be listed on any securities exchange or quoted on any automated quotation system. Currently, there is no market for the Notes, and there is no assurance that any public market for the Notes will develop. |

| ERISA Considerations | For a discussion of certain issues pertaining to purchases of Notes by or on behalf of an employee benefit plan, see “Certain ERISA Considerations.” |

| U.S. Federal Income Tax Considerations | For a discussion of material U.S. federal income tax considerations of purchasing, owning and disposing of the Notes, see “Material U.S