WBS · Webster Financial Corp

Reflects a grant of restricted stock made to the reporting person on May 21, 2026 that will vest on the one-year anniversary of the date of grant. The restricted stock also has a two-year holding period following the vesting period.

Reflects a grant of restricted stock made to the reporting person on May 21, 2026 that will vest on the one-year anniversary of the date of grant. The restricted stock also has a two-year holding period following the vesting period.

Reflects a grant of restricted stock made to the reporting person on May 21, 2026 that will vest on the one-year anniversary of the date of grant. The restricted stock also has a two-year holding period following the vesting period.

Reflects a grant of restricted stock made to the reporting person on May 21, 2026 that will vest on the one-year anniversary of the date of grant. The restricted stock also has a two-year holding period following the vesting period.

Reflects a grant of restricted stock made to the reporting person on May 21, 2026 that will vest on the one-year anniversary of the date of grant. The restricted stock also has a two-year holding period following the vesting period.

Reflects a grant of restricted stock made to the reporting person on May 21, 2026 that will vest on the one-year anniversary of the date of grant. The restricted stock also has a two-year holding period following the vesting period.

Reflects a grant of restricted stock made to the reporting person on May 21, 2026 that will vest on the one-year anniversary of the date of grant. The restricted stock also has a two-year holding period following the vesting period.

Reflects a grant of restricted stock made to the reporting person on May 21, 2026 that will vest on the one-year anniversary of the date of grant. The restricted stock also has a two-year holding period following the vesting period.

Reflects a grant of restricted stock made to the reporting person on May 21, 2026 that will vest on the one-year anniversary of the date of grant. The restricted stock also has a two-year holding period following the vesting period.

Reflects a grant of restricted stock made to the reporting person on May 21, 2026 that will vest on the one-year anniversary of the date of grant. The restricted stock also has a two-year holding period following the vesting period.

Reflects a grant of restricted stock made to the reporting person on May 21, 2026 that will vest on the one-year anniversary of the date of grant. The restricted stock also has a two-year holding period following the vesting period.

Reflects a grant of restricted stock made to the reporting person on May 21, 2026 that will vest on the one-year anniversary of the date of grant. The restricted stock also has a two-year holding period following the vesting period.

The reported sale of 8,000 shares occurred pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on April 30, 2025.

The price reported in Column 4 is an average price. The reporting person undertakes to provide Webster Financial Corporation, any security holder of Webster Financial Corporation, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares of common stock sold at each price.

Represents the grant of time-based restricted shares that will vest in three equal installments over the next three years.

Represents the grant of time-based restricted shares that will vest in three equal installments over the next three years.

Represents the grant of time-based restricted shares that will vest in three equal installments over the next three years.

Represents the grant of time-based restricted shares that will vest in three equal installments over the next three years.

Represents the grant of time-based restricted shares that will vest in three equal installments over the next three years.

Represents the grant of time-based restricted shares that will vest in three equal installments over the next three years.

Represents the grant of time-based restricted shares that will vest in three equal installments over the next three years.

Represents the grant of time-based restricted shares that will vest in three equal installments over the next three years.

Represents the grant of time-based restricted shares that will vest in three equal installments over the next three years.

Represents the grant of time-based restricted shares that will vest in three equal installments over the next three years.

Represents the grant of time-based restricted shares that will vest in three equal installments over the next three years.

Represents the grant of time-based restricted shares that will vest in three equal installments over the next three years.

Represents the grant of time-based restricted shares that will vest in three equal installments over the next three years.

Represents the grant of time-based restricted shares that will vest in three equal installments over the next three years.

Represents the tax withholding upon the vesting of certain time-based restricted shares granted on March 3, 2025.

Represents the tax withholding upon the vesting of certain time-based restricted shares granted on March 3, 2025.

Represents the tax withholding upon the vesting of certain time-based restricted shares granted on March 3, 2025.

Represents the tax withholding upon the vesting of certain time-based restricted shares granted on March 3, 2025.

Represents the tax withholding upon the vesting of certain time-based restricted shares granted on March 3, 2025.

Represents the tax withholding upon the vesting of certain time-based restricted shares granted on March 3, 2025.

Represents the tax withholding upon the vesting of certain time-based restricted shares granted on March 3, 2025.

Represents the tax withholding upon the vesting of certain time-based restricted shares granted on March 3, 2025.

Represents the tax withholding upon the vesting of certain time-based restricted shares granted on March 3, 2025.

Represents the tax withholding upon the vesting of certain time-based restricted shares granted on March 3, 2025.

Represents the tax withholding upon the vesting of certain time-based restricted shares granted on March 3, 2025.

Represents the tax withholding upon the vesting of certain time-based restricted shares granted on March 3, 2025.

Represents the tax withholding upon the vesting of certain performance shares granted on March 1st, 2023.

Represents the tax withholding upon the vesting of certain time-based restricted shares granted on March 1, 2023 and March 1, 2024.

Represents the vesting of performance shares for the three-year period ending December 31, 2025, as approved by the Compensation and Human Resources Committee on January 28, 2026.

Represents the vesting of performance shares for the three-year period ending December 31, 2025, as approved by the Compensation and Human Resources Committee on January 28, 2026.

Represents the tax withholding upon the vesting of certain performance shares granted on March 1st, 2023.

Represents the vesting of performance shares for the three-year period ending December 31, 2025, as approved by the Compensation and Human Resources Committee on January 28, 2026.

Represents the tax withholding upon the vesting of certain time-based restricted shares granted on March 1, 2023 and March 1, 2024.

Represents the tax withholding upon the vesting of certain time-based restricted shares granted on March 1, 2023 and March 1, 2024.

Represents the tax withholding upon the vesting of certain performance shares granted on March 1st, 2023.