CombiMatrix Corp Watch

from S-1/A 13 pages Common Stock Purchase Warrant CombiMatrix Corporation

from S-1/A 2 pages Incorporated Under the Laws of the State of Delaware on March 15, 2002

from S-1/A 17 pages Common Stock Purchase Warrant CombiMatrix Corporation

from S-1/A 17 pages Common Stock Purchase Warrant CombiMatrix Corporation

from S-1/A 2 pages Incorporated Under the Laws of the State of Delaware on March 15, 2002

from S-1/A 1 page Indenture or similar

from S-1 16 pages Common Stock Purchase Warrant CombiMatrix Corporation

from S-1 2 pages CombiMatrix Number CBMX This Certificate Is Transferable in Canton, Ma, New York, Ny, Jersey City, Nj, and Pittsburgh, Pa Shares Cusip 20009t 30 3 See Reverse for Certain Definitions Incorporated Under the Laws of the State of Delaware This Certifies That Specimen Countersigned and Registered: Computershare Shareowner Services LLC Transfer Agent and Registrar By: Authorized Signature Is the Record Holder of Fully Paid and Nonassessable Shares of Common Stock, $0.001 Par Value, of CombiMatrix Corporation Transferable on the Books of the Corporation in Person or by Duly Authorized Attorney Upon Surrender of This Certificate Properly Endorsed. This Certificate Is Not Valid Until Countersigned by the Transfer Agent and Registered by the Registrar. Witness the Facsimile Seal of the Corporation and the Facsimile Signatures of Its Duly Authorized Officers. Dated: Delaware Seal CombiMatrix Corporation2002 Chief Financial Officer and Secretary President & Chief Executive Officer

from 8-K 2 pages CombiMatrix Corporation Amendment No. to Common Stock Purchase Warrants This Amendment Should Be Attached to the Original Warrant Certificates

from 8-K 18 pages Common Stock Purchase Warrant CombiMatrix Corporation

from 8-K 18 pages Common Stock Purchase Warrant CombiMatrix Corporation

from 8-K 2 pages For Value Received Hereby Sells, Assigns and Transfers Unto ( ) Shares Represented by the Within Certificate and Does Hereby Irrevocably Constitute and Appoint Attorney to Transfer the Said Shares on the Share Register of the Within Named Corporation With Full Power of Substitution in the Premises. Dated in the Presence of (Stockholder) (Witness) Notice: The Signature on This Agreement Must Correspond With the Name as Written Upon the Face of the Certificate, in Every Particular, Without Alteration or Enlargement, or Any Change Whatsoever

from 8-K 25 pages CombiMatrix Corporation Certificate of Designation of Preferences, Rights and Limitations of Series E 6% Convertible Preferred Stock Pursuant to Section 151 of the Delaware General Corporation Law

from S-1/A 17 pages Common Stock Purchase Warrant CombiMatrix Corporation

from S-1/A 17 pages Common Stock Purchase Warrant CombiMatrix Corporation

from S-1/A 17 pages Common Stock Purchase Warrant CombiMatrix Corporation

from S-1/A 1 page Incorporated Under the Laws of the State of Delaware on March 15, 2002 Number Shares Pd-Number Shares CombiMatrix Corporation Authorized Capital Stock 30,000,000 Shares 25,000,000 Shares Common Stock, Par Value $0.001 Per Share 5,000,000 Shares Preferred Stock, Par Value $0.001 Per Share This Certifies That - Name - Is the Record Holder of Alphanumeric (Shares) Shares of Series D Convertible Preferred Stock of CombiMatrix Corporation, Transferable Only on the Share Register of Said Corporation by the Holder Hereof in Person or by Duly Authorized Attorney, Upon Surrender of This Certificate Properly Endorsed or Assigned. This Certificate and the Shares Represented Hereby Are Issued and Shall Be Held Subject to All the Provisions of the Certificate of Incorporation and the Bylaws of the Corporation and Any Amendments Thereto, to All of Which the Holder of This Certificate, by Acceptance Hereof, Assents. a Statement of the Rights, Preferences, Privileges and Restrictions Granted to or Imposed Upon the Respective Classes or Series of Shares of Stock of the Corporation and Upon the Holders Thereof as Established by the Certificate of Incorporation May Be Obtained by Any Stockholder Upon Request and Without Charge, at the Principal Office of the Corporation, and the Corporation Will Furnish Any Stockholder, Upon Request and Without Charge, a Copy of Such Statement. in Witness Whereof, the Said Corporation Has Caused This Certificate to Be Signed by Its Duly Authorized Officers This Date Day of Month, Year. Mark McDonough, President Scott R. Burell, Secretary © 1998 Goes 4524 All Rights Reserved

from S-1/A 2 pages CombiMatrix Number CBMX This Certificate Is Transferable in Canton, Ma, New York, Ny, Jersey City, Nj, and Pittsburgh, Pa Shares Cusip 20009t 30 3 See Reverse for Certain Definitions Incorporated Under the Laws of the State of Delaware This Certifies That Specimen Countersigned and Registered: Computershare Shareowner Services LLC Transfer Agent and Registrar By: Authorized Signature Is the Record Holder of Fully Paid and Nonassessable Shares of Common Stock, $0.001 Par Value, of CombiMatrix Corporation Transferable on the Books of the Corporation in Person or by Duly Authorized Attorney Upon Surrender of This Certificate Properly Endorsed. This Certificate Is Not Valid Until Countersigned by the Transfer Agent and Registered by the Registrar. Witness the Facsimile Seal of the Corporation and the Facsimile Signatures of Its Duly Authorized Officers. Dated: Delaware Seal CombiMatrix Corporation2002 Chief Financial Officer and Secretary President & Chief Executive Officer

from 8-K 17 pages Common Stock Purchase Warrant CombiMatrix Corporation

from 8-K ~1 page Incorporated Under the Laws of the State of Delaware on March 15, 2002