Bruce Russell (310) 559-4955 x101 brussell@cyanotech.com Cyanotech Names Brent Bailey as President, Chief Executive Officer and a Director KAILUA KONA, Hawaii (

Cyanotech Names Brent Bailey as President, Chief Executive Officer and

KONA, Hawaii (November 8, 2010) Cyanotech Corporation (Nasdaq Capital

Market: CYAN) today announced that the Board of Directors has named Brent

Bailey as a Director of the company, effective immediately, and as President

and Chief Executive Officer, effective January 11, 2011. He will replace David I. Rosenthal, who has

served as Interim President and Chief Executive Officer since February 27,

2010. Mr. Rosenthal will remain as a Director, in which position he has

served since November 2000.

Speaking for the Board of

Directors, Mr. Rosenthal said, We are pleased that Brent has chosen to

join Cyanotech. He brings a wealth of

experience in managing and marketing products both in the specialized world of

neutraceuticals and in mainstream consumer product markets. Cyanotech has built its leadership position

as the quality producer of high-value nutritional products and Brent should

significantly complement the company s strengths with his marketing expertise.

recently was President of Unlocking Potential LLC, a leadership development and

strategic planning consulting firm. Previously, as President and Chief

Operating Officer of Pharmavite LLC, a $500-million subsidiary of Otsuka

Pharmaceutical Company, he and his team drove the Nature Made brand to the #1

position is mass market nutritional supplements and built Pharmavite into an

industry leader. Prior to that, he was

Executive Vice President of Marketing for Del Monte Foods and Senior Vice

President and General Manager-Household Division of The Dial Corporation. Earlier, he held marketing leadership

positions with Van de Kamp s Frozen Foods and Frito-Lay. He is a graduate of Claremont McKenna College

in Economics and has an MBA from the UCLA Anderson School of Management.

Cyanotech Cyanotech Corporation, a world leader in microalgae

technology, produces BioAstin

Natural Astaxanthin and Hawaiian Spirulina Pacifica all

natural, functional nutrients that leverage our experience and reputation for

quality, building nutritional brands which promote health and well-being.

Cyanotech s Spirulina products offer complete nutrition, and augment energy and

immune response. They are FDA reviewed and accepted as Generally Recognized as

Safe (GRAS) for use in food products. BioAstin s superior antioxidant activity

and ability to support and maintain a natural anti-inflammatory response

enhance skin, muscle and joint health. All Cyanotech products are produced from

microalgae grown at its 90-acre facility in Kona, Hawaii using patented and

proprietary technology. Cyanotech distributes to nutritional supplement,

nutraceutical and cosmeceutical manufacturers and marketers in more than 54

countries worldwide. Cyanotech was

the first microalgae company in the world to obtain quality management

standards ISO 9001:2000 certification and is

GMP-certified by the Natural Products AssociationTM. Visit www.cyanotech.com for

73-4460 Queen Kaahumanu

Highway, #102 ~ Kailua-Kona, Hawaii 96740

(808) 326-1353 fax (808) 329-3597 ~ www.cyanotech.com