AtriCure Inc. Watch

from S-3ASR 49 pages Atricure, Inc. Indenture Dated as of [ ] U.S. Bank Trust Company, National Association, Trustee

from S-3ASR 49 pages Atricure, Inc. Indenture Dated as of [ ] U.S. Bank National Association, Trustee

from 10-K 3 pages  Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934

from SC 13D/A ~1 page Power of Attorney

from SC 13D/A 1 page Power of Attorney

from SC 13D/A 1 page Power of Attorney

from SC 13D/A 1 page Power of Attorney

from S-3 48 pages Atricure, Inc., as the Company, U.S. Bank National Association, as Trustee Subordinated Indenture Dated as of July 1, 2011

from S-3 44 pages Atricure, Inc., as the Company, U.S. Bank National Association, as Trustee Senior Indenture Dated as of July 1, 2011

from SC 13D 1 page Power of Attorney

from SC 13D 1 page Power of Attorney

from 10-Q 12 pages Warrant to Purchase Stock

from S-1/A 2 pages Number ATRC Atricure Shares Atricure, Inc. Incorporated Under the Laws of the State of Delaware See Reverse for Certain Definitions This Is to Certify That Cusip 04963c 20 9 Is the Owner of Fully Paid and Non-Assessable Shares of the Common Stock of the Par Value of $0.001 Per Share of Atricure, Inc. Transferable Upon the Books of the Corporation by the Holder Hereof in Person or by Duly Authorized Attorney Upon Surrender of This Certificate Properly Endorsed. This Certificate Is Not Valid Unless 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: (Illegible) Secretary Atricure, Inc. Corporate Seal 2000 Delaware David D(illegible) President Countersigned and Registered: American Stock Transfer & Trust Company (New York) Transfer Agent and Registrar by Authorized Signature

from S-1/A 40 pages Atricure, Inc. Effective as of March 8, 2005 Void After March 8, 2012

from S-1/A 15 pages Atricure, Inc. Warrant

from S-1/A 18 pages Atricure, Inc. Amended and Restated Voting Agreement

from S-1/A 30 pages Atricure, Inc. Amended and Restated Right of First Refusal and Co-Sale Agreement June 6, 2002

from S-1/A 11 pages Atricure, Inc. Amendment No. 1 to Amended and Restated Investors’ Rights Agreement

from S-1/A 50 pages Atricure, Inc. Amended and Restated Investors’ Rights Agreement