Cyanotech Corporation announced that Gerald R. Cysewski, Ph.D, After 39 years with Cyanotech, have stepped down from my position at Cyanotech as a member of the Board of Directors ('Board') effective June 16, 2022, to have more personal time in my latter years. Time at Cyanotech has been both challenging and very rewarding. will assume the position of CEO Emeritus and remain as Chief Scientific Officer, will be available for consultation on business strategy on an as needed basis.

Matt Custer has been appointed as President and as a member of the Board effective June 16, 2022. Matt has been the President of the Company since May 2021. He is a very talented and insightful leader.