Washington, D.C. 20549




Proxy Statement Pursuant to Section 14(a) of
the Securities Exchange Act of 1934


Filed by the Registrant  x


Filed by a Party other than the Registrant  o


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Preliminary Proxy Statement


Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))


Definitive Proxy Statement


Definitive Additional Materials


Soliciting Material Pursuant to §240.14a-12


Cyanotech Corporation

(Name of Registrant as Specified In Its Charter)



(Name of Person(s) Filing Proxy Statement, if other than the Registrant)


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Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.



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Fee paid previously with preliminary materials.


Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.



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Cyanotech Corporation Meeting Notice






Important Notice Regarding the Availability of Proxy Materials for the
Cyanotech Corporation Shareholder Meeting to be Held on September 9, 2009


Under new Securities and Exchange Commission rules, you are receiving this notice that the proxy materials for the annual shareholders’ meeting are available on the Internet. Follow the instructions below to view the materials and vote online or request a copy. The items to be voted on and location of the annual meeting are on the reverse side. Your vote is important!


This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. We encourage you to access and review all of the important information contained in the proxy materials before voting. The  Proxy Statement and Annual Report on Form 10-K for the fiscal year ended March 31, 2009 are available at:






Easy Online Access — A Convenient Way to View Proxy Materials and Vote
When you go online to view materials, you can also vote your shares.



Step 1: Go to www.envisionreports.com/CYAN to view the materials.



Step 2: Click on Cast Your Vote or Request Materials.



Step 3: Follow the instructions on the screen to log in.



Step 4: Make your selection as instructed on each screen to select delivery preferences and vote.


When you go online, you can also help the environment by consenting to receive electronic delivery of future materials.




Obtaining a Copy of the Proxy Materials — If you want to receive a paper or e-mail copy of these documents, you must request one. There is no charge to you for requesting a copy. Please make your request for a copy as instructed on the reverse side on or before August 28, 2009 to facilitate timely delivery.



Cyanotech Corporation Meeting Notice


Cyanotech’s Annual Meeting of Shareholders will be held on Wednesday, September 9, 2009 at the Sheraton Keauhou Bay Resort & Spa, 78-128 Ehukai Street, Kailua-Kona, Hawaii, USA 96740 at 3:00 P.M. prevailing local time.


Proposals to be voted on at the meeting are listed below along with the Board of Directors’ recommendations.


The Board of Directors recommends that you vote FOR the following proposals:


1.               Election of Directors:  Gerald R. Cysewski, Michael A. Davis, Andrew H. Jacobson, Gregg W. Robertson, David I. Rosenthal, and John T. Waldron.


2.               Ratify the selection of Grant Thornton LLP as the Company’s Independent Registered Public Accounting Firm for the fiscal year ending March 31, 2010.


3.               Such other business as may properly come before this meeting.


PLEASE NOTE —YOU CANNOT VOTE BY RETURNING THIS NOTICE. To vote your shares you must vote online or request a paper copy of the proxy materials to receive a proxy card. If you wish to attend and vote at the meeting, please bring this notice with you.


Directions to the Cyanotech Corporation 2009 Annual Meeting


Directions to the Cyanotech Corporation 2009 annual meeting can be viewed at www.sheratonkeauhou.com.




Here’s how to order a copy of the proxy materials and select a future delivery preference:


Paper copies: Current and future paper delivery requests can be submitted via the telephone, Internet or email options below.

Email copies: Current and future email delivery requests must be submitted via the Internet following the instructions below. If you request an email copy of current materials you will receive an email with a link to the materials.



PLEASE NOTE: You must use the numbers in the shaded bar on the reverse side when requesting a set of proxy materials.






·                 Internet – Go to www.envisionreports.com/CYAN. Click Cast Your Vote or Request Materials. Follow the instructions to log in and order a paper or email copy of the current meeting materials and submit your preference for email or paper delivery of future meeting materials.



·                 Telephone – Call us free of charge at 1-866-641-4276 using a touch-tone phone and follow the instructions to log in and order a paper copy of the materials by mail for the current meeting. You can also submit a preference to receive a paper copy for future meetings.



·                 Email – Send email to investorvote@computershare.com with “Proxy Materials Cyanotech Corporation” in the subject line. Include in the message your full name and address, plus the three numbers located in the shaded bar on the reverse, and state in the email that you want a paper copy of current meeting materials. You can also state your preference to receive a paper copy for future meetings.






To facilitate timely delivery, all requests for a paper copy of the proxy materials must be received by August 28, 2009.