Sterling Trader, Inc. is a broker-neutral, full service order routing and management center built to support direct market access for professional traders. As a service bureau, we offer a state-of-the-art direct access software platform and global computer network for broker/dealers, hedge funds, trading firms, agency desks, and other professional trading institutions. For more information please visit us at www.sterlingtrader.com or call (312) 346-9600.

Nexa Technologies, Inc., is a provider of online and direct access trading solutions. Founded in 1999, Nexa Technologies is an indirect subsidiary of Penson Worldwide, Inc. Its comprehensive product set incorporates multi-asset direct access trading systems, FIX-compliant order routing, comprehensive data and market access to European & North American equity, options and derivatives exchanges and ECNs.

Nexa Technologies added historical intraday time series data into its product range in January 2005 when Penson Worldwide acquired Tick Data, Inc. The Tick Data division, which provides clean, reliable historical intraday time series data for the equities and futures markets, employs proprietary compression algorithms, price-filtering techniques, and ticker symbol mapping processes to produce complete, research-ready historical data. From efficient data collection and distribution to seamless integration with third-party analytical software, the Tick Data division removes the frustration from building and maintaining historical databases.For more information please visit us at www.nexatechnologies.com or call (949) 885-2177.

Mixit, Inc. is a world class provider of advanced trading technology and FIX based routing services to the financial industry. The Mixit high performance suite of products for Options and Equity trading will enable your firm to trade efficiently and anonymously. Our expertise, advanced technology, neutrality, and commitment to the highest level of service provide the foundation for our customers to prosper.

EZX Inc. is a provider of electronic trading infrastructure which focuses on time to market and cost effectiveness. We are dedicated to supplying quality products and services along with a commitment of teamwork to our customers. Our flagship product iServer is a fast and simple way to integrate FIX connectivity into current trading systems while reducing the impact of each FIX connection.