Exhibit 4.2 FACE OF NOTE ------------ This Security is a Global Security within the meaning of the Indenture hereinafter referred to and is registered in the name of a Depositary or a nominee thereof. This Security may not be transferred to, or registered or exchanged for Securities registered in the name of, any Person other than the Depository Trust Company or a nominee thereof and no such transfer may be registered, except in the limited circumstances described in the Indenture. Every Security authenticated and delivered upon registration or transfer of, or in exchange for or in lieu of, this Security shall be a Global Security subject to the foregoing, except in such limited circumstances. UNLESS THIS SECURITY IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY (55 WATER STREET, NEW YORK, NEW YORK) TO THE COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY SECURITY ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR SUCH OTHER NAME AS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY AND ANY PAYMENT IS MADE TO CEDE & CO. OR TO SUCH OTHER ENTITY AS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL IN AS MUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN. Boston Scientific Corporation $ 6 5/8% Notes Due March 15, 2005 NO. 2 CUSIP 101 137 AA5 Certain capitalized terms used but not defined herein shall have the meanings given to them in the Indenture under which this Security is issued. Boston Scientific Corporation, a Delaware corporation (herein called the "Company," which term includes any successor Person under the Indenture hereinafter referred to), for value received, hereby promises to pay to Cede & Co., or registered assigns, the principal sum of two hundred million dollars ($200,000,000.00) on March 15, 2005, and to pay interest thereon from March 10, 1998 or from the most recent Interest Payment Date to which interest has been paid or duly provided for, semiannually on March 15 and September 15 in each year, commencing September 15, 1998 until the principal hereof is paid or made available for payment, at the rate per annum of 6 5/8%. The interest so payable, and punctually paid or duly provided for, on any Interest Payment Date will, as provided in such Indenture, be paid to the Person in whose name this Security (or one or more Predecessor Securities) is registered at the close of business on the Record Date for such interest, which shall be the March 1 or September 1 (whether or not a Business Day), as the case may be, next preceding such Interest Payment Date. Any such interest not so punctually paid or duly provided for will forthwith cease to be payable to the Holder on such Record Date and may either be paid to the Person in whose name this Security (or one or more Predecessor Securities) is registered at the close of business on a Special Record Date for the payment of such Defaulted Interest to be fixed by the 1 Trustee, notice whereof shall be given to Holders of Securities not less than 10 days prior to such Special Record Date, or be paid at any time in any other lawful manner not inconsistent with the requirements of any securities exchange on which the Securities may be listed, and upon such notice as may be required by such exchange, all as more fully provided in said Indenture. Payment of the principal of and interest on this Security will be made by transfer of immediately available funds to a bank account in the Borough of Manhattan, the City of New York designated by the Holder in such coin or currency of the United States of America as at the time of payment is legal tender for payment of public and private debts. Reference is hereby made to the further provisions of this Security set forth on the reverse hereof, which further provisions shall for all purposes have the same effect as if set forth at this place. Unless the certificate of authentication hereon has been executed by the Trustee referred to on the reverse hereof by manual signature, this Security shall not be entitled to any benefit under the Indenture or be valid or obligatory for any purpose. IN WITNESS WHEREOF, the Company has caused this instrument to be duly executed. Boston Scientific Corporation [SEAL] By:/s/ Lawrence C. Best -------------------------- Name: Lawrence C. Best Title: Senior Vice President - Finance & Administration and Chief Financial Officer This is one of the Securities of the series designated herein and referred to in the within-mentioned Indenture. The Chase Manhattan Bank, as Trustee By:/s/ Robert S. Peschler -------------------------- Authorized Officer 2 REVERSE SIDE OF NOTE -------------------- This Security is one of a duly authorized issue of Securities of the Company designated as its "6 5/8% Notes Due March 15, 2005" (herein called the "Securities"), limited in aggregate principal amount to $500,000,000 issued and to be issued under an Indenture, dated as of September 1, 1997 (herein called the "Indenture"), between the Company and The Chase Manhattan Bank, as Trustee (herein called the "Trustee," which term includes any successor trustee under the Indenture), to which Indenture and all indentures supplemental thereto reference is hereby made for a statement of the respective rights, limitations of rights, duties and immunities thereunder of the Company, the Trustee and the Holders of the Securities and of the terms upon which the Securities are and are to be, authenticated and delivered. The Securities are not subject to redemption. If an Event of Default shall occur with respect to the Securities and be continuing, the principal of all the Securities may be declared due and payable in the manner and with the effect provided in the Indenture. The Indenture contains provisions for defeasance of (a) the entire indebtedness of this Security and (b) certain restrictive covenants and Events of Default with respect to this Security, in each case upon compliance by the Company with certain conditions set forth in the Indenture. The Indenture permits, with certain exceptions as therein provided, the amendment thereof and the modification of the rights and obligations of the Company and the rights of the Holders of the Securities under the Indenture at any time by the Company and the Trustee with the consent of the Holders of a majority in aggregate principal amount of the Securities at the time Outstanding. The Indenture also contains provisions permitting the Holders of specified percentages in aggregate principal amount of the Securities at the time Outstanding, on behalf of the Holders of all the Securities, to waive compliance by the Company with certain provisions of the Indenture and certain past defaults under the Indenture and their consequences. Any such consent or waiver by the Holder of this Security shall be conclusive and binding upon such Holder and upon all future Holders of this Security and of any Security issued upon the registration of transfer hereof or in exchange herefor or in lieu hereof, whether or not notation of such consent or waiver is made upon this Security. No reference herein to the Indenture and no provision of this Security or of the Indenture shall alter or impair the obligation of the Company, which is absolute and unconditional, to pay the principal of and premium, if any, and interest on this Security at the times, place, and rate, and in the coin or currency, herein prescribed. This Global Security or portion hereof may not be exchanged for Definitive Securities except in the limited circumstances provided in the Indenture. The Securities are issuable only in registered form without coupons in denominations of $1,000 and any integral multiple thereof. As provided in the Indenture 3 and subject to certain limitations therein set forth, Securities are exchangeable for a like aggregate principal amount of Securities of a different authorized denomination, as requested by a Holder surrendering the same. No service charge shall be made for any such registration of transfer or exchange of Securities, but the Company may require payment of a sum sufficient to cover any tax or other governmental charge payable in connection therewith. Prior to due presentment of this Security for registration of transfer, the Company, the Trustee and any agent of the Company or the Trustee may treat the Person in whose name this Security is registered as the owner hereof for all purposes, whether or not any amount due in respect of this Security be overdue, and none of the Company, the Trustee or any such agent shall be affected by notice to the contrary. The Indenture and the Securities shall be governed by and construed in accordance with the laws of the State of New York as applied to contracts made and performed within the State of New York, without regard to principles of conflicts of laws. 4