MEDIA RELEASE

The board of directors of Cyanotech Corporation has named David I. Rosenthal as interim president and chief executive officer, effective Feb. 27, while a search is underway for a new CEO.

He replaces Andrew H. Jacobson, who was removed from his responsibilities of president and CEO by the board.

Rosenthal, 55, has served on the board of directors of Cyanotech since November 2000 and is a member of the Audit Committee.

Most recently, Rosenthal was chief financial officer of Hickory Farms, Inc., a private company provider of specialty food and gift products.

Rosenthal has also served as CFO of several publicly-held companies, including SpectaLink Corporation, a manufacturer of wireless phone devices for the workplace with revenues of approximately $140 million, StarTek, Inc., a business process management company with revenues of approximately $250 million, and Celestial Seasonings, Inc., a manufacturer and marketer of specialty tea products with revenues of approximately $120 million.

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www.cyanotech.com