X0306 4/A 2021-01-04 2021-01-06 0 0001598665 Heritage Insurance Holdings, Inc. HRTG 0001607776 Garateix Ernie J C/O HERITAGE INSURANCE HOLDINGS, INC. 2600 MCCORMICK DRIVE SUITE 300 CLEARWATER FL 33759 0 1 0 0 Chief Executive Officer Common Stock 2021-01-04 4 A 0 47939 0.00 A 129193 D Common Stock 2021-01-04 4 A 0 95878 0.00 A 225071 D Represents an award of restricted stock granted to the Reporting Person. The restricted stock vests in three installments equal to 15,979 shares on December 31, 2021, 15,980 shares on December 31, 2022 and 15,980 shares on December 31, 2023. Represents an award of performance based restricted stock granted to the Reporting Person. The restricted stock has a three-year performance period beginning on January 1, 2021 and ending on December 31, 2023 and will vest following the end of the performance period but no later than March 5, 2024. The number of shares that will be earned at the end of the performance period is subject to decrease based on the results of the performance condition. The actual amount issued represents the maximum amount that can be earned at the end of the performance period instead of the target amount that was previously reported. /s/ Ernie J. Garateix 2021-02-19