FOR IMMEDIATE RELEASE

TT's Response to eSpeed's Markman Media Release

CHICAGO, November 6, 2006 — Trading Technologies International, Inc. (TT) today released the following statement in response to eSpeed's November 6th Markman media release:

eSpeed's media release is incorrect. The Court did not rule on the issue of whether eSpeed or any other defendant is infringing the patents. TT remains very confident in its case and that the Court will find that eSpeed's products infringe.

About Trading Technologies
Trading Technologies (www.tradingtechnologies.com) develops high-performance trading software for derivatives professionals, including the world's premier exchanges, money-center banks, proprietary traders, securities brokers, Futures Commission Merchants (FCMs), hedge funds and other trading institutions. The company's X_TRADER® software and related services provide direct access to the world's major derivatives exchanges. TTNET™, TT's Application Service Provider (ASP)/hosting solution, delivers maximum system stability and fast trade execution via hubs located close to the major exchanges in Chicago, New Jersey, London and Frankfurt. Additional data centers are planned for Tokyo and Singapore. Headquartered in Chicago, Trading Technologies maintains a worldwide presence with offices in New York, Houston, London, Frankfurt, Singapore, Hong Kong, Tokyo and Sydney. In 2004, Trading Technologies was named the best technology company to work for in Chicago by Chicago magazine and ranked third among all Chicago area employers. In 2006, TT received the prestigious Lighthouse Award from the Illinois Information Technology Association (ITA) as the leading technology company in Illinois.