Automated Trading Desk Reports Record Volume Day; Almost 200% Increase in One Year.

MT. PLEASANT, S.C. -- Automated Trading Desk, LLC, a pioneer of automated trading technology, today announced that it had executed a record of more than 338,000,000 NMS shares on May 24, 2006. Ninety-nine percent of the NMS shares, including Nasdaq and exchange-listed securities, were executed on an automated basis.

"Today's marketplace demands our level automation," said Steve Swanson, President and CEO of ATD LLC. "We continue to expose our customers to even more liquidity in the marketplace, and a record day like this shows our commitment to providing exceptional execution quality to our customers."

The May 24 record activity represents an increase of almost 200% over average volume in May 2005.

In February 2006, ATD's retail execution platform, ATD Financial Services (AUTO), received NASD approval to expand its market making operations. AUTO now makes markets in all NASDAQ and NYSE and AMEX exchange-listed securities.

About Automated Trading Desk

ATD is a technology company specializing in automated trading and customized equity execution solutions for its customers. We offer automated execution solutions in all domestic equity markets, including the listed, over-the-counter, exchange traded fund and bulletin board marketplaces.

ATD's automated systems strive to deliver superior execution, realizing significant time and cost savings. As an execution venue, ATD executes orders from buy-side institutions, retail order-sending firms, and sell-side broker/dealers, handling orders ranging in size from odd lots to institutional size blocks. During the first quarter of 2006, ATD accounted for approximately 6% of all NASDAQ volume and 5% of all NYSE volume.

ATD is the sole owner of Automated Trading Desk Financial Services, LLC (AUTO), and Automated Trading Desk Brokerage Services, LLC (ATDB), both Members NASD/SIPC.