FOR IMMEDIATE RELEASE

DTN ProphetX to Execute Trades Through Trading Technologies' Exchange Gateways via TT FIX Adapter

DTN ProphetX traders now combine powerful trading information with access to TT's fast, reliable exchange connections

CHICAGO and OMAHA, Neb., August 2, 2006 — Trading Technologies International, Inc. (TT) and DTN today jointly announced that DTN will provide ProphetX™ customers with order routing through TT's exchange gateways via FIX Adapter. DTN ProphetX is a professional desktop trading application that provides real-time, tick-by-tick commodity quotes, analytical tools, market news and analysis. DTN ProphetX users can connect to TT's FIX Adapter to trade commodities on the Chicago Board of Trade, Kansas City Board of Trade, Minneapolis Grain Exchange and Winnipeg Commodity Exchange. They also have the option to trade all other markets supported by TT, including 14 additional financial and commodity markets from around the world.

"It is an exciting time for the commodity markets, especially with the CBOT's launch of day-time electronic grains trading," said Alvin Tanpoco, VP of Business Development with TT. "The integration with DTN demonstrates TT's ongoing commitment to provide the highest quality execution to a wide variety of trading segments, such as DTN's commercial agricultural base."

"DTN is committed to providing trading customers with powerful, yet easy-to-use tools," said Robert Gordon, chief executive officer, DTN. "ProphetX now complements its powerful trading work station with the ability to conveniently execute orders through TT's exchange gateways via FIX Adapter. For traders this means smarter decisions coupled with faster execution."

About DTN
DTN, a private company based in Omaha, Neb., is the leading business-to-business provider of real-time market, news and weather information services to agriculture, energy trading markets and other weather-sensitive industries. The company delivers on-demand market information, commodity cash prices, industry news and in-depth analysis, and location-specific weather to over 120,000 subscribers through DTN for agriculture, refined fuels and trading markets, and DTN/Meteorlogix. More information can be found at www.dtn.com.

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 software and services provide direct access to the world's major derivatives exchanges. 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.