Note 1: Organization and Description of the Business Note 2: Significant Accounting Policies Note 3: Securities Owned and Securities Sold, Not Yet Purchased Note 4: Receivable From/Payable to Brokers and Dealers Note 5: Goodwill and Intangible Assets Note 6: Investment in Deephaven Sponsored Fund Note 7: Significant Customers Note 8: International Charges Note 9: Writedown of Assets and Lease Loss Accrual Note 10: Fixed Assets and Leasehold Improvements Note 11: Commitments and Contingent Liabilities Note 12: Earnings Per Share Note 13: Employee Benefit Plan Note 14: Income Taxes Note 15: Long-Term Incentive Plans Note 16: Financial Instruments With Off-Balance Sheet Risk and Concentrations of Credit Risk Note 17: Net Capital Requirements Note 18: Subsequent Events Note 19: Business Segments Note 20: Condensed Financial Statements of Knight Trading Group, Inc. (Parent Only) Note 7: SIGNIFICANT CUSTOMERS The Company considers significant customers to be customers who account for 10% or more of the total U.S. equity shares traded by the Company during the period. One customer accounted for 18.9% of the Company’s total U.S. equity shares traded during 2002. Rebates paid to this firm for U.S. equity and U.S. options contract order flow amounted to $18.6 million during 2002. Additionally, the Company’s investment in the Deephaven Fund is $153.8 million, which accounted for 12.2% of total assets under management. In addition to the Company, there were two other institutional investors that accounted for 10.4% and 12.4%, respectively, of the Deephaven Fund’s assets under management.