Ameritrade Extends Credit Agreement; The Company Also Adjusts New Accounts Reported for October and November.

Business Editors

OMAHA, Neb.--(BUSINESS WIRE)--Dec. 19, 2001

Ameritrade Holding Corporation (Nasdaq:AMTD) has agreed in principle to a modification and extension of its revolving credit agreement. The amendment will permit borrowings up to $20 million through December 31, 2002. The loan will primarily be secured by 4.0 million shares of Knight Trading Group, Inc. ("Knight") common stock. The previous agreement had been secured by 7.0 million shares. Accordingly, 3.0 million shares of Knight will be available for other corporate purposes. The Company expects to execute the amendment by December 31, 2001. The Company currently has $12.5 million outstanding under the revolving credit agreement.

As a result of finalizing the conversion of NDB.com acquired accounts, Ameritrade adjusted monthly numbers originally reported November 9 and December 14, 2001, for its core online brokerage business, opening 22,000 new accounts in October and another 22,000 for November. The total at the end of November was 1,819,000 accounts.

About Ameritrade Holding Corporation (Nasdaq:AMTD)

Ameritrade Holding Corporation (www.amtd.com) is a pioneer in the online brokerage industry with a 26-year history of providing clients a self-directed approach to investment services. The award-winning Company, through its Private Client and Institutional Client divisions, provides tiered levels of brokerage products and services tailored to meet the varying investing, trading and execution needs of self-directed individual investors, financial institutions and corporations.