X0306 5 2016-12-31 0 0 0 0000730708 SEACOAST BANKING CORP OF FLORIDA SBCF 0001078596 HUDSON DENNIS S III SEACOAST BANKING CORP. OF FLORIDA P.O. BOX 9012 STUART FL 34995 1 1 0 0 Chairman & CEO Common Stock 27247 D Common Stock 42787 D Common Stock 21915 D Common Stock 49386 D Common Stock 30865.91 D Common Stock 224356 I Held by Sherwood Partners, Ltd., family partnership Common Stock 280 I Held by spouse as custodian for son Common Stock 20 I held by son Common Stock Right to Buy 14.82 2024-02-28 Common Stock 51956 51956 D Common Stock Right to Buy 12.63 2023-01-29 Common Stock 17975 17975 D Common Stock Right to Buy 10.54 2015-04-29 2024-04-29 Common Stock 50000 50000 D Common Stock Right to Buy 11.00 2014-06-28 2023-06-27 Common Stock 19400 19400 D Stock Settled Stock Appreciation Right 111.10 2012-04-02 2017-04-01 Common Stock 14627 14627 D Represents shares subject to performance-based restricted stock units ("PSUs") granted on June 28, 2013, that were subject to performance requirements over a period ending December 31, 2015. One-third of the earned shares vested on Dec. 31, 2016. Of the remaining shares, one-half vest on each of Dec. 31, 2017 and Dec. 31, 2018, provided the recipient remains in continuous service with the Company on each such vesting date. Held in Trust Held jointly with spouse Represents share equivalents held in the Company's Retirement Savings Plan as of December 31, 2016 Granted pursuant to Company's 2013 Incentive Plan Originally has two tiered vesting. Performance criteria was met, and time-based vesting began on 12/1/2016. Option vests in equal installments at the end of each month over the next 48 months, provided that Optionee remains in Continuous Service on each applicable vesting date. Two tiered vesting. Performance criteria met and time-based vesting began on 7/1/15. Option vests in equal installments at the end of each month over 48 months, provided Optionee remains in Continuous Service on each applicable vesting date. Vests over 3 years in one-third increments on each anniversary of the date of grant beginning on the first anniversary of the date of grant (the date indicated), subject to continued employment. Vests over 5 years at the rate of 20% beginning on the first anniversary of the date of grant (the date indicated) and then at the rate of 20% on each of the following four anniversaries thereafter, subject to continued employment. Granted pursuant to Company's 2000 Long-Term Incentive Plan Date fully vested /s/ Sharon Mehl as Power of Attorney for Dennis S. Hudson, III 2017-02-15