X0306 4 2016-08-15 0 0001541119 Sound Financial Bancorp, Inc. SFBC 0001410558 Stewart Laura Lee 2005 FIFTH AVE, SUITE 200 SEATTLE WA 98121 0 1 0 0 President / CEO Common Stock 2016-08-15 4 M 0 3759 8.41 A 32307 D Common Stock 2016-08-15 4 M 0 3759 9.72 A 36066 D Common Stock 2016-08-15 4 F 0 2806 24.30 D 33260 D Common Stock 7832 I By ESOP Common Stock 18034 I By 401(k) Stock Option (Right to Buy) 8.41 2016-08-15 4 M 0 3759 0.00 D 2019-01-27 Common Stock 3759 1879 D Stock Option (Right to Buy) 9.72 2016-08-15 4 M 0 3759 0.00 D 2019-01-27 Common Stock 3759 1879 D Stock Option (Right to Buy) 18.36 2025-01-28 Common Stock 12543 12543 D Stock Option (Right to Buy) 18.36 2025-01-28 Common Stock 8502 8502 D Stock Option (Right to Buy) 8.49 2022-02-28 Common Stock 4371 4371 D Stock Option (Right to Buy) 16.80 2024-01-23 Common Stock 22895 22895 D Options vest in five equal annual installments beginning on January 27, 2010. Options vest in five equal annual installments beginning on February 28, 2013. Options vest in five equal annual installments beginning on January 23, 2015. Options vest in three equal annual installments beginning on January 28, 2015. Options vest in five equal annual installments beginning on January 28, 2016. /s/ Matthew P. Deines, attorney-in-fact 2016-08-16