FOR IMMEDIATE RELEASE

Trading Technologies Licenses Patents for
MD Trader® Technology to Knight Capital Group’s DTI; TT to Provide Futures Connectivity via TT FIX Adapter

CHICAGO, January 16, 2007 — Trading Technologies International, Inc. (TT) announced that Direct Trading Institutional, L.P. (DTI), a subsidiary of Knight Capital Group, Inc. (Nasdaq:NITE), has licensed TT’s MD Trader patents. The license allows DTI to use TT’s MD Trader technology in Knight Direct, its multi-asset class direct market access platform. In addition, futures orders from Knight Direct will be routed through TT's exchange gateways via TT FIX Adapter.

"TT is excited to license its MD Trader patents to a Knight Capital Group company. As more and more companies license the patents, especially multi-billion dollar companies such as Knight Capital Group, the use of the technology proliferates and the strength of the patents continues to be reinforced," said Harris Brumfield, CEO of TT. "Further, connectivity to TT’s futures gateways via TT FIX Adapter will also be a nice addition to Knight Direct."

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, Geneva, 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.