#1 The reporting person entered into the foregoing transactions, in part, for personal tax planning purposes. Consistent with the registrant's policies, any profits derived by the reporting person from the sale and subsequent purchase of shares within a six month period have been disgorged to the registrant in accordance to Section 16(b) of the Securities Exchange Act of 1934.

#2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.52 to $58.52. The reporting person undertakes to provide to Synovus Financial Corp., any security holder of Synovus Financial Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the in footnote (1) of this Form 4.

#1 On February 18, 2021, the reporting person received grants of performance stock units (the "PSUs") with a service-based vesting component as well as a performance-based vesting requirement. These PSUs were included on the Form 3 filed on February 1, 2022 by the reporting person (the "Form 3"). Under the service-based vesting component, the PSUs vest 100% after three years subject to the reporting person's continued employment with Synovus. Under the performance-based vesting component, Synovus' weighted average return on average assets is measured over a three-year performance period. Based upon the Total Shareholder Return Multiplier, the reporting person received 5,517 additional shares of the Company's restricted stock, such shares representing the amount vested in excess of the target amount of PSUs initially reported on the Form 3 filed in February 2022. In addition, the reporting person received 2,069 shares through the accrual of dividend equivalents.

#2 These shares were withheld upon the vesting of performance stock units to pay tax withholding obligations.

#1 On February 18, 2021, the reporting person received grants of performance stock units (the "PSUs") with a service-based vesting component as well as a performance-based vesting requirement. These PSUs were included on the Form 3 filed on February 1, 2022 by the reporting person (the "Form 3"). Under the service-based vesting component, the PSUs vest 100% after three years subject to the reporting person's continued employment with Synovus. Under the performance-based vesting component, Synovus' weighted average return on average assets is measured over a three-year performance period. Based upon the Total Shareholder Return Multiplier, the reporting person received 5,517 additional shares of the Company's restricted stock, such shares representing the amount vested in excess of the target amount of PSUs initially reported on the Form 3 filed in February 2022. In addition, the reporting person received 2,069 shares through the accrual of dividend equivalents.

#2 These shares were withheld upon the vesting of performance stock units to pay tax withholding obligations.

#1 These shares are subject to restricted stock units that will be settled in cash upon vesting. The units vest 1/3 each year over a three-year period subject to the reporting person's continued employment with Synovus.

#2 These shares were withheld upon the vesting of restricted stock units to pay tax withholding obligations.

#3 Includes 310 shares acquired through dividend accruals.