Credit Suisse First Boston International Registered as unlimited in England and Wales under No. 2500199 Certificate Programme On 7th August, 2001, the Issuer (as defined below) entered into a Programme (as defined below). With effect from the date hereof, the Programme has been amended and this Programme Memorandum supersedes the Programme Memorandum dated 7th August, 2001. Any Certificates to be issued after the date hereof under the Programme ate issued subject to the provisions set out herein save that Certificates which are to be consolidated and form a single series with Certificates issued prior to the date hereof will be issued subject to the Conditions of the Certificates applicable on the date of issue for the first tranche of Certificates of such series. Subject as aforesaid, this does not affect any Certificates issued prior to the date hereof. Under its Certificate Programme, as described in this Programme Memorandum (the “Programme”), Credit Suisse First Boston International (the “Issuer”) may from time to time issue certificates (the “Certificates”). The Certificates will be subject to the general terms and conditions set out in this Programme Memorandum as supplemented and/or modified by the terms set out in the product supplement relating to the particular type of Certificate (each a “Product Supplement”) and on the terms set out in a pricing supplement specific to a particular issue of Certificates (each a “Pricing Supplement”). Each Pricing Supplement will contain information in respect of Certificates of the relevant Series (as defined herein) (and distinguish between different Tranches (as defined herein) of the relevant Series where applicable) including (inter alia) the designation of the Certificates, the number and type of Certificates, the Issue Date, the Maturity Date, the Redemption Date and the Redemption Amount and any Interim Payments. Any Series of Certificates may be listed, subject to appropriate application, on the Luxembourg Stock Exchange and/or on any other stock exchange, Certificates may also be unlisted. The relevant Pricing Supplement in respect of any Series of Certificates will specify the exchanges, if any, to which application will initially be made for such Certificates to be listed. Certain Series of Certificates may be introduced for trading on the Frankfurt Freiverkehr and/or Stuttgart Freiverkehr and the relevant Pricing Supplement in respect of any Series of Certificates will specify whether an application for trading of such Certificates on the Frankfurt Freiverkehr and/or Stuttgart Freiverkehr has been or will be made. In relation to Certificates listed on the Luxembourg Stock Exchange, this Programme Memorandum is valid for a period of one year from the date hereof. Restrictions have been imposed on offers and sales of the Certificates and on the distribution of documents relating thereto in the United States of America, the United Kingdom, Belgium, Germany, Luxembourg and the Netherlands. The distribution of this document and offers and sales of the Certificates in certain other jurisdictions may be restricted by law. Persons into whose possession this document comes are required by the Issuer to inform themselves about, and to observe, any such restrictions. See “Selling Restrictions”. See iilnvestment Considerations” for certain considerations relating to an investment in Certificates. Programme Memorandum dated 7th August, 2002 The attention of prospective purchasers of Certificates is drawn to “Investment Considerations” on page 6 of this Programme Memorandum. Any prospective purchaser should conduct its own investigation into the securities, indices or other assets or values to which the Certificates are linked and, in deciding whether or not to purchase the Certificates, should form its own view of the merits of such an investment based upon such investigations. The Issuer has taken all reasonable care to ensure that the information contained in this Programme Memorandum is true and accurate in all material respects and that, in the context of the issue of the Certificates subject to the information set out in the relevant Product Supplement (as defined under “General Terms and Conditions of the Certificates”), Pricing Supplement and/or Local Supplement(s) (as defined under “Additional Information for Investors outside Luxembourg”), there are no other material facts the omission of which makes misleading any statement herein, whether of fact or opinion. The Issuer accepts responsibility accordingly. The delivery of this Programme Memorandum at any time does not imply that any information contained herein is correct at any time subsequent to the date hereof. In connection with the issue and sale of the Certificates, no person is authorised to give any information or to make any representation not contained in this Programme Memorandum, and neither the Issuer nor any Dealer or Selling Agent (each as defined under “Selling Restrictions”) accepts responsibility for any information or representation so given that is not contained herein. This Programme Memorandum does not constitute an offer of Certificates, and may not be used for the purposes of an offer or solicitation by anyone in any jurisdiction in which such offer or solicitation is not authorised, or to any person to whom it is unlawful to make such offer or solicitation and no action is being taken to permit an offering of Certificates or the distribution of this Programme Memorandum in any jurisdiction where any such action is required except as specified in the relevant Pricing Supplement and/or Local Supplement. The distribution of this Programme Memorandum and the offering of the Certificates in certain jurisdictions may be restricted by law. Persons into whose possession this Programme Memorandum comes are required by the Issuer to inform themselves about, and to observe, any such restrictions. The Programme Memorandum, the relevant Product Supplement, Pricing Supplement and Local Supplement(s) may have been filed with the competent authorities in countries other than Luxembourg. The Certificates have not been and will not be registered under the Securities Act of 1933 of the United States of America, as amended, (the “Securities Act”). Subject to certain exceptions, the Certificates may not be offered, sold or delivered within the United States of America or to U.S. persons. See “Selling Restrictions”. Terms used in this paragraph and not otherwise defined have the meanings given to them by Regulation S under the Securities Act. In the context of the initial placement of the Certificates, sales may result in the payment of commissions or other benefits for investors. In this Programme Memorandum references to “EUR” are to euro, references to “Sfr!’ are to Swiss Francs and references to ‘IJ.S.$” and “U.S. dollars” are to United States dollars. TABLE OF CONTENTS Page Page /NCORWRATlON BY REFERENCE.............. 3 GENERALTERMS AND CONDITIONS SUPPLEMENTAL PROGRAMME MEMORANDUM...... 3 OF THE CERTIFICATES .................... 8 ADDITIONAL INFORMATION FOR INVESTORS USEOF PROCEEDS ...................... 14 OUTSlDE LUXEMBOURG .................... 3 CREDIT SUISSE FIRST BOSTON /NTERNAT/ONAL .... 7 5 SUMMARY OF THEPROGRAMME .............. 4 TAXATION .............................. 71 lNVESTMENT CONSIDERATIONS .............. 6 SELLING RESTRICTIONS .................... 75 GENERAL/NFORMATlON .................... 78 2 INCOR PORATION BY REFER ENCE Additional financial information relating to the Issuer is contained in its Financial Statements for the year ended 31st December, 2001, which are incorporated by reference in this Programme Memorandum. Financial information relating to Credit Suisse First Boston is contained in its Information Statement dated 17th May, 2002, in a Supplement to the Information Statement dated 21 st May, 2002 and in its Annual Report for the year ending 31st December, 2001 (all as may be superseded and/or supplemented from time to time), all of which, as so superseded or supplemented from time to time, are incorporated by reference in this Programme Memorandum. The most recent audited annual and unaudited interim accounts of Credit Suisse Group and unaudited interim accounts of Credit Suisse First Boston (International) Holding AG are also incorporated by reference in this Programme Memorandum. This Programme Memorandum should be read and construed in conjunction with the relevant Product Supplement, the relevant Pricing Supplement and the relevant Local Supplement(s) (if any) and the most recently publicly available audited annual accounts of the Issuer from time to time, which shall be incorporated by reference in this Programme Memorandum and which shall be deemed to modify or supersede the contents of this Programme Memorandum to the extent that a statement in any such document is inconsistent with such contents. Copies of the documents incorporated herein by reference will be available, free of charge, at the principal office in Luxembourg of the Listing Agent while any Certificates are outstanding and listed on the Luxembourg Stock Exchange and at the specified offices of the Certificate Agents while any Certificates are outstanding. SUPPLEMENTAL PROGRAMME MEMORANDUM If at any time while any Certificates are outstanding and listed on the Luxembourg Stock Exchange (or any other stock exchange that so requires), there shall occur any adverse change in the financial condition of the Issuer that is, in the determination of the Issuer, material in the context of the issuance of any Certificates