Mobia Medical Inc. – Indentures Watch

from S-1 12 pages Microtransponder, Inc. Convertible Promissory Note

from S-1 17 pages Microtransponder, Inc. Warrant to Purchase Shares of Series Preferred Stock

from S-1 17 pages Microtransponder, Inc. Warrant to Purchase Shares of Series Preferred Stock

from S-1 2 pages ­ Delaware ­ Seal Mobia Medical, Inc.CORPORATE March 5, 2007 Fully Paid and Nonassessable Shares of Common Stock, $0.01 Par Value Per Share, of Mobia Medical, Inc. 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: This Certifies That Is the Record Holder of Incorporated Under the Laws of the State of Delaware Cusip Xxxxx XX X See Reverse for Certain Definitions and Legends President & Chief Executive Officer Chief Financial Officer C O U N Te R S Ig N E D a N D R E G Is Te R E D : Eq U in Iti Tr U St C O M Pa N Y, LLC Tr a N S Fe R a G E N T a N D R E G Is Tr a R B Y: A U Th O R Ize D S Ig N Atu R E

from S-1 60 pages Amended and Restated Shareholders’ Agreement

from S-1 34 pages Microtransponder, Inc. Amended and Restated Registration Rights Agreement

from DRS/A 12 pages Microtransponder, Inc. Convertible Promissory Note

from DRS/A 17 pages Microtransponder, Inc. Warrant to Purchase Shares of Series Preferred Stock

from DRS/A 17 pages Microtransponder, Inc. Warrant to Purchase Shares of Series Preferred Stock

from DRS/A 60 pages Amended and Restated Shareholders’ Agreement

from DRS/A 34 pages Microtransponder, Inc. Amended and Restated Registration Rights Agreement

from DRS/A 12 pages Microtransponder, Inc. Convertible Promissory Note

from DRS/A 17 pages Microtransponder, Inc. Warrant to Purchase Shares of Series Preferred Stock

from DRS/A 17 pages Microtransponder, Inc. Warrant to Purchase Shares of Series Preferred Stock

from DRS/A 60 pages Amended and Restated Shareholders’ Agreement

from DRS/A 34 pages Microtransponder, Inc. Amended and Restated Registration Rights Agreement