Cyanotech Corporation Watch

from SC 13G/A 3 pages Limited Power of Attorney for Section 13 Reporting Obligations

from SC 13D 1 page Joint Filing Agreement

from SC 13G/A 1 page Exhibit 1 to Schedule 13g Filed by Northern Trust Corporation Certified Resolution the Undersigned Certifies That the Undersigned Is the Duly Appointed, Qualified and Acting Secretary or Assistant Secretary of Northern Trust Corporation, as Indicated Below, and That the Following Resolution Was Duly Adopted by the Board of Directors of Northern Trust Corporation on July 19, 2004 and Remains in Full Force and Effect: Resolved, That Each of the "Executive Officers" of Northern Trust Corporation (The "Corporation"), as That Term Is Defined in Rule 3b-7 Under the Securities Exchange Act of 1934, and Each of the Following Other Officers of the Corporation, Is Hereby Authorized to Sign, on Behalf of the Corporation, Any Statements on Schedule 13g, and Any Amendments to Such Statements, Required to Be Filed With the Securities and Exchange Commission by the Corporation With Respect to Any Securities Beneficially Owned by the Corporation and Any of Its Direct or Indirect Subsidiaries: Orie L. Dudley, Jr. Peter J. Flood James D. McDonald in Witness Whereof, the Undersigned Has Executed This Certificate on October 8, 2004. /S/ Rose A. Ellis Rose A. Ellis Secretary Northern Trust Corporation

from SC 13G/A 1 page <page> Exhibit 1 Agreement of Joint Filing in Accordance With Rule 13d-1(k) Under the Securities Exchange Act of 1934, as Amended, the Undersigned, Michael A. Davis and Janet J. Johnstone, Hereby Agree to the Joint Filing on Behalf of Each of Them of the Schedule 13g to Which This Agreement Is an Exhibit (And Any Further Amendment Filed by Them) With Respect to the Common Stock, $0.005 Par Value, of Cyanotech Corporation. This Agreement May Be Executed Simultaneously in Any Number of Counterparts, All of Which Together Shall Constitute One and the Same Instrument. Dated: April 29, 2004 By: /S/ Michael A. Davis Michael A. Davis By: /S/ Janet J. Johnstone Janet J. Johnstone

from SC 13G 2 pages Agreement of Joint Filing

from SB-2/A ~50 pages Underwriting agreement

from SC 13D/A 1 page <page> Exhibit 1 Joint Filing Agreement Loews Corporation, CNA Financial Corporation, the Continental Corporation, Firemen's Insurance Company of Newark, New Jersey and National-Ben Franklin Insurance Company of Illinois Each Hereby Agree That the Schedule 13d/a Filed Herewith, and Any Amendments That May Be Filed Thereto, Relating to the Acquisition or Disposition of Shares of Common Stock of Cyanotech Corporation or Other Securities Convertible Into Shares of Common Stock of Cyanotech Corporation, Is Filed Jointly on Behalf of Each Such Person. Dated: November 22, 1995 Loews Corporation By: /S/ Barry Hirsch Barry Hirsch Senior Vice President and Secretary CNA Financial Corporation By:/S/ Donald M. Lowry Donald M. Lowry Senior Vice President, Secretary and General Counsel the Continental Corporation By:/S/ Donald M. Lowry Donald M. Lowry Senior Vice President, Secretary and General Counsel Firemen's Insurance Company of Newark, New Jersey By:/S/ Donald M. Lowry Donald M. Lowry Senior Vice President, Secretary and General Counsel <page> <page> National-Ben Franklin Insurance Company of Illinois By:/S/ Donald M. Lowry Donald M. Lowry Senior Vice President, Secretary and General Counsel

from SC 13D 1 page <page> Exhibit 1 Joint Filing Agreement Loews Corporation, CNA Financial Corporation, the Continental Corporation, Firemen's Insurance Company of Newark, New Jersey and National-Ben Franklin Insurance Company of Illinois Each Hereby Agree That the Schedule 13d Filed Herewith, and Any Amendments That May Be Filed Thereto, Relating to the Acquisition or Disposition of Shares of Common Stock of Cyanotech Corporation or Other Securities Convertible Into Shares of Common Stock of Cyanotech Corporation, Is Filed Jointly on Behalf of Each Such Person. Dated: August 23, 1995 Loews Corporation By: /S/ Barry Hirsch Barry Hirsch Senior Vice President and Secretary CNA Financial Corporation By:/S/ Donald M. Lowry Donald M. Lowry Senior Vice President, Secretary and General Counsel the Continental Corporation By:/S/ Donald M. Lowry Donald M. Lowry Senior Vice President, Secretary and General Counsel Firemen's Insurance Company of Newark, New Jersey By:/S/ Donald M. Lowry Donald M. Lowry Senior Vice President, Secretary and General Counsel <page> <page> National-Ben Franklin Insurance Company of Illinois By:/S/ Donald M. Lowry Donald M. Lowry Senior Vice President, Secretary and General Counsel

from SC 13D ~50 pages Underwriting agreement