Wall Street Horizon Delivers Accurate, Timely U.S. Corporate Earnings Information to the Derivix Platform

Partnership Powers Better Trading for Options Traders

BOSTON - March 22, 2011 - Wall Street Horizon, The Earnings Calendar Company™, the leading provider of highly accurate earnings and events calendar information to institutional investment professionals and traders, today announced that its earnings calendar and Real-Time Dividend Monitor are now available on Derivix, giving options traders enhanced information to make faster and better trading decisions. Derivix is a financial services software company providing an all-in-one solution for analytics, risk management, and broker-neutral execution for equities and derivatives markets.

"This new distribution relationship will result in better earnings and event calendar data for both options traders and market makers," said Carrick Pierce, CEO of Derivix. "Our clients are quite discriminating and the fact that we have implemented the content across our entire platform demonstrates the institutional market’s trust in Wall Street Horizon."

"We are committed to offering institutional clients the most accurate data for trading in the market." said Barry L. Star, Managing Director, of Wall Street Horizon, "We appreciate Derivix's confidence and look forward to the relationship."

About Wall Street Horizon

Headquartered in Boston, Wall Street Horizon, Inc., "The Earnings Calendar Company™" (www.wallstreethorizon.com), offers a comprehensive, highly accurate database of detailed U.S. and global corporate calendar dates and other critical information that have direct impact on stock prices. The Company has created proprietary business processes for collecting, storing, analyzing, and verifying such corporate information. The Company's clients include some of the largest firms on Wall Street.

Other Wall Street Horizon products include

> North American and Global Earnings Calendar
> Real Time Dividends,
> Real Time Earnings,
> Investor Events Calendars, and
> DateBreaks™, a unique service designed to alert professional traders of changes to earnings dates.

About Derivix:

Derivix is a comprehensive solution for real-time analytics, portfolio risk management, and multi-broker electronic execution for the equities and derivatives markets. The Company offers solutions to traders, sales traders, risk managers, quantitative analysts and portfolio managers for both the buy and sell side. With a commitment to broker neutrality, Derivix provides customers the flexibility they need to fit solutions into any business structure.

Our investors include Goldman Sachs, Susquehanna Growth Equity, LLLP., J.P. Morgan, and S.A.C. Venture Investments, LLC. Founded in 2005, the company has offices in New York and Boston.

This release does not constitute an offer to sell or a solicitation of an offer to sell any securities of Derivix.