X0306 4 2020-07-07 0000768408 CYANOTECH CORP CYAN 0001789253 Nordin Amy Beth CYANOTECH CORPORATION 73-4460 QUEEN KAAHUMANU HWY #102 KAILUA-KONA HI 96740 1 VP, HR, Secretary Cyanotech common stock options 2.29 2020-07-07 4 A 0 50000 0 A 2030-07-06 Cyanotech common stock 50000 50000 D The stock options shall vest as to 12,500 shares on July 7, 2021, 12,500 shares on July 7, 2022, 12,500 shares on July 7, 2023 and 12,500 shares on July 7, 2024, in each case subject to continued service with Cyanotech on the vesting date. /s/Laura L. Taylor, by Power of Attorney 2020-08-12