X0306 4 2018-07-13 0000768408 CYANOTECH CORP CYAN 0001725658 Johansen Jennifer M. 73-4460 QUEEN KAAHUMANU HWY #102 KAILUA-KONA HI 96740 1 VP of Quality Cyanotech common stock 1109 D Restricted stock units 2018-07-13 4 A 0 1305 0 A Cyanotech common stock 1305 1305 D Restricted stock units Cyanotech common stock 333 333 D Cyanotech common stock options 2.0800 2019-04-30 Cyanotech common stock 10000 10000 D Cyanotech common stock options 3.5800 2021-06-30 Cyanotech common stock 8000 8000 D Cyanotech common stock options 3.8200 2021-08-28 Cyanotech common stock 2000 2000 D Cyanotech common stock options 5.8400 2022-07-18 Cyanotech common stock 10000 10000 D Cyanotech common stock options 5.6100 2022-08-15 Cyanotech common stock 2000 2000 D Each restricted stock unit represents the contingent right to receive one (1) share of Cyanotech common stock. The restricted stock units shall vest as to 435 shares on July 13, 2019, 435 shares on July 13, 2020 and 435 shares on July 13, 2021, in each case subject to continued service with Cyanotech on the vesting date. The restricted stock units shall vest as to 167 shares on 4/5/2019 and 166 shares on 4/5/2020, in each case subject to continued service with Cyanotech on the vesting date. Ms Johansen acquired 10,000 stock options on 4/30/2009, of which 1,000 options became exercisable on 4/30/2010, 2,000 options became exercisable on 4/30/2011, 3,000 options became exercisable on 4/30/2012 and 4,000 options became exercisable on 4/30/2013. Ms Johansen acquired 8,000 stock options on 7/1/2011, of which 800 options became exercisable on 7/1/2011, 1,600 options became exercisable on 7/1/2012, 2,400 options became exercisable on 7/1/2013 and 3,200 options became exercisable on 7/1/2014. Ms Johansen acquired 2,000 stock options on 8/29/2011, of which 200 options became exercisable on 8/29/2011, 400 options became exercisable on 8/29/2012, 600 options became exercisable on 8/29/2013 and 800 options became exercisable on 8/29/2014. Ms Johansen acquired 10,000 stock options on 7/19/2012, of which 2,500 options became exercisable on 7/19/2013, 2,500 options became exercisable on 7/19/2014, 2,500 options became exercisable on 7/19/2015 and 2,500 options became exercisable on 7/19/2016. Ms Johansen acquired 2,000 stock options on 8/16/2012, of which 500 options became exercisable on 8/16/2013, 500 options became exercisable on 8/16/2014, 500 options became exercisable on 8/16/2015 and 500 options became exercisable on 8/16/2016. /s/ Dan Sprague, by Power of Attorney 2018-07-18