Conor Medsystems Inc Watch

from S-1/A 2 pages 325976f Qx 105 Friday, December 3, 2004 4:55:05 Pm 105 Common Stock CM- Incorporated Under the Laws of the State of Delaware This Certifies That Common Stock Cusip 208264 10 1 See Reverse for Certain Definitions Is the Record Holder of Fully Paid and Nonassessable Shares of Common Stock, $0.001 Par Value, of Conor Medsystems, Inc. Transferable on the Books of the Corporation in Person or by Duly Authorized Attorney on Surrender of This Certificate Properly Endorsed. This Certificate Shall Not Be Valid Until Countersigned and Registered by the Transfer Agent and Registrar. Witness the Facsimile Seal of the Corporation and the Signatures of Its Duly Authorized Officers. Dated: Chief Financial Officer Chairman and Chief Executive Officer Countersigned and Registered Mellon Investor Services LLC Transfer Agent and Registrar by Authorized Signature 325976b Qx 105 Friday, November 19, 2004 1:59:11 Pm Conor Medsystems, Inc