Term Sheet No. Price to Public   Underwriting Discounts and Commissions(1)   Proceeds to Issuer       Per security   $ 1,000.00   $                  $                      Total   $                  $                  $                      (1) We or one of our affiliates may pay varying discounts and commissions of between 0.00% and 0.25% per $1,000 principal amount of securities in connection with the distribution of the securities. In addition, an affiliate of ours may pay fees to some broker-dealers of up to 0.75% per $1,000 principal amount of securities in connection with the distribution of the securities.

For more detailed information, please see 'Supplemental Plan of Distribution (Conflicts of Interest)' on the last page of this term sheet. The agent for this offering, Credit Suisse Securities (USA) LLC ('CSSU'), is our affiliate. For more information, see 'Supplemental Plan of Distribution (Conflicts of Interest)' on the last page of this term sheet. The securities are not deposit liabilities and are not insured or guaranteed by the Federal Deposit Insurance Corporation or any other governmental agency of the United States, Switzerland or any other jurisdiction. Credit Suisse February 1, 2010 Additional Terms Specific to the Securities You should read this term sheet together with the product supplement dated February 1, 2010, the prospectus supplement dated March 25, 2009 and the prospectus dated March 25, 2009, relating to our Medium-Term Notes of which these securities are a part. You may access these documents on the SEC website at www.sec.gov as follows (or if such address has changed, by reviewing our filings for the relevant date on the SEC website): • Product supplement No. G-II dated February 1, 2010: • Prospectus supplement dated March 25, 2009: • Prospectus dated March 25, 2009: Our Central Index Key, or CIK, on the SEC website is 1053092.

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As used in this term sheet, the 'Company,' 'we,' 'us,' or 'our' refers to Credit Suisse. This term sheet, together with the documents listed above, contain the terms of the securities and supersede all other prior or contemporaneous oral statements as well as any other written materials including preliminary or indicative pricing terms, fact sheets, correspondence, trade ideas, structures for implementation, sample structures, brochures or other educational materials of ours. You should carefully consider, among other things, the matters set forth in 'Selected Risk Considerations' in this term sheet and 'Risk Factors' in the accompanying product supplement, as the securities involve risks not associated with conventional debt securities. You should consult your investment, legal, tax, accounting and other advisers before deciding to invest in the securities.

Credit Suisse has filed a registration statement (including a prospectus) with the Securities and Exchange Commission, or SEC, for the offering to which this term sheet relates. Before you invest, you should read the prospectus in that registration statement and the other documents relating to this offering that Credit Suisse has filed with the SEC for more complete information about Credit Suisse and this offering. You may obtain these documents without cost by visiting EDGAR on the SEC website at www.sec.gov. Alternatively, Credit Suisse or any agent or any dealer participating in this offering will arrange to send you this term sheet, product supplement, prospectus supplement and prospectus if you so request by calling 1-800-221-1037. You may revoke your offer to purchase the securities at any time prior to the time at which we accept such offer on the date the securities are priced. We reserve the right to change the terms of, or reject any offer to purchase the securities prior to their issuance.

In the event of any changes to the terms of the securities, we will notify you and you will be asked to accept such changes in connection with your purchase. You may also choose to reject such changes in which case we may reject your offer to purchase. 1 Hypothetical Amounts Payable on the Securities for one Payment Date for Each $1,000 Principal Amount The following examples illustrate hypothetical Contingent Coupon payments for one Payment Date for a $1,000 security. The hypothetical amounts payable on the securities set forth below assume an Initial Basket Level of 100, the Initial Share Prices, Final Share Prices and the Component Weightings for each Basket Component as set forth in the tables below and a Component Return Cap of 3.50% (the midpoint of the expected range set forth on the cover of this term sheet). The actual Initial Share Price for each Basket Component and the Component Return Cap will be determined on the Trade Date.

The hypothetical Contingent Coupons set forth below are for illustrative purposes only. The actual Contingent Coupons applicable to a purchaser of the securities will be based on the Final Basket Level on each Valuation Date. The numbers appearing in the tables and the examples below have been rounded for ease of analysis. Basket Component   Initial Share Price   Final Share Price   Percentage Change in Level of the Basket Component   Component Return   Component Weighting Alcoa   13.00   15.60   20.00%   3.50%   1/10 AT&T   27.00   32.40   20.00%   3.50%   1/10 American Express   37.00   44.40   20.00%   3.50%   1/10 DuPont   33.00   39.60   20.00%   3.50%   1/10 General Electric   16.00   19.20   20.00%   3.50%   1/10 JPMorgan Chase. 40.00   48.00   20.00%   3.50%   1/10 J&J   64.00   76.80   20.00%   3.50%   1/10 Merck   38.00   45.60   20.00%   3.50%   1/10 Exxon Mobil   65.00   78.00   20.00%   3.50%   1/10 Verizon   30.00   36.00   20.00%   3.50%   1/10 The equation below illustrates how the hypothetical Final Basket Level would be calculated on a Valuation Date. Basket Component   Initial Share Price   Final Share Price   Percentage Change in Level of the Basket Component   Component Return   Component Weighting Alcoa   13.00   15.60   20.00%   3.50%   1/10 AT&T   27.00   32.40   20.00%   3.50%   1/10 American Express   37.00   44.40   20.00%   3.50%   1/10 DuPont   33.00   39.60   20.00%   3.50%   1/10 General Electric   16.00   19.20   20.00%   3.50%   1/10 JPMorgan Chase.

40.00   48.00   20.00%   3.50%   1/10 J&J   64.00   76.80   20.00%   3.50%   1/10 Merck   38.00   45.60   20.00%   3.50%   1/10 Exxon Mobil   65.00   58.50   -10.00%   -10.00%   1/10 Verizon   30.00   27.00   -10.00%   -10.00%   1/10 The equation below illustrates how the hypothetical Final Basket Level would be calculated on a Valuation Date. Basket Component   Initial Share Price   Final Share Price   Percentage Change in Level of the Basket Component   Component Return   Component Weighting Alcoa   13.00   15.60   20.00%   3.50%   1/10 AT&T   27.00   32.40   20.00%   3.50%   1/10 American Express   37.00   44.40   20.00%   3.50%   1/10 DuPont   33.00   39.60   20.00%   3.50%   1/10 General Electric   16.00   19.20   20.00%   3.50%   1/10 JPMorgan Chase.

40.00   36.00   -10.00%   -10.00%   1/10 J&J   64.00   57.60   -10.00%   -10.00%   1/10 Merck   38.00   34.20   -10.00%   -10.00%   1/10 Exxon Mobil   65.00   58.50   -10.00%   -10.00%   1/10 Verizon   30.00   27.00   -10.00%   -10.00%   1/10 The equation below illustrates how the hypothetical Final Basket Level would be calculated on a Valuation Date. Basket Component   Initial Share Price   Final Share Price   Percentage Change in Level of the Basket Component   Component Return   Component Weighting Alcoa   13.00   10.40   -20.00%   -20.00%   1/10 AT&T   27.00   21.60   -20.00%   -20.00%   1/10 American Express   37.00   29.60   -20.00%   -20.00%   1/10 DuPont   33.00   26.40   -20.00%   -20.00%   1/10 General Electric   16.00   12.80   -20.00%   -20.00%   1/10 JPMorgan Chase. 40.00   32.00   -20.00%   -20.00%   1/10 J&J   64.00   51.20   -20.00%   -20.00%   1/10 Merck   38.00   30.40   -20.00%   -20.00%   1/10 Exxon Mobil   65.00   52.00   -20.00%   -20.00%   1/10 Verizon   30.00   24.00   -20.00%   -20.00%   1/10 The equation below illustrates how the hypothetical Final Basket Level would be calculated on a Valuation Date.

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