X0609 4 2026-08-20 1 0000801337 WEBSTER FINANCIAL CORP WBS 0002105635 Antonopoulos Kristen false C/O WEBSTER FINANCIAL CORPORATION 200 ELM STREET STAMFORD CT 06902 0 1 0 0 Chief Accounting Officer 0 Common Stock 2026-08-20 4 D 0 6230 0 D 0 D Disposed of pursuant to the transaction agreement dated February 3, 2026 (the "Transaction Agreement"), by and among Banco Santander, S.A. ("Banco Santander"), Webster Financial Corporation ("Webster") and Webster Virginia Corporation ("Webster Virginia"). Pursuant to the terms of the Transaction Agreement, each share of Webster common stock issued and outstanding immediately prior to the effective time of the reincorporation merger between Webster and Webster Virginia was exchanged for the right to receive from Banco Santander 2.0548 Banco Santander American Depositary Shares and $48.75 in cash, without interest on August 20, 2026 (the "Closing Date"). The closing price of Webster common stock on the New York Stock Exchange on the last trading day prior to the Closing Date was $77.57. All fractional shares were paid in cash. At the Closing Time, all equity awards held by the reporting person were converted to equivalent Banco Santander equity awards in accordance with the terms set forth in the Transaction Agreement, As a result of the transaction, the reporting person no longer beneficially owns, directly or indirectly, any shares of Webster's common stock. /s/ Bradley Larkin, attorney-in-fact 2026-08-21