Company: WBS-PG
Filing Date: 2025-04-11
Form Type: DEFA14A
Source: 0000801337-25-000016
Chunk: 1

Company: WEBSTER FINANCIAL CORP
Filing Date: 2025-04-11
Form: DEFA14A
Chunk 1
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 Point your camera here and vote without entering a control number |     | Virtually at:                             
 www.virtualshareholdermeeting.com/WBS2025 |

*Please check the meeting materials for any special requirements for meeting attendance.

#### Vote

#### at

#### www.ProxyVote.com

### THIS IS NOT A VOTABLE BALLOT
This is an overview of the proposals being presented at the upcoming annual stockholders’ meeting. Please follow the instructions on the reverse side to vote these important matters.

<div align='center'>V62252-P24637-Z89253</div>