Michael D. Chochon

Ameritrade Holding Corp. develops and provides innovative brokerage products and services tailored to meet the varying investing and portfolio management needs of individual investors and institutional distribution partners. The company is headquartered in Omaha, NE.

TD Ameritrade Holding Corp. engages in the provision of securities brokerage services and related technology-based financial services. It offers the following products and services to retail clients: touch-tone trading, trading over the internet, unlimited streaming, free real-time quotes, extended trading hours, direct access to market destinations and commitment ton the speed of order execution. The company was founded by John Joe Ricketts in 1971 and is headquartered in Omaha, NE.

E*TRADE Group, Inc. (Old) is a company based in Escondido, CA.

Penson Worldwide, Inc. is a provider of a broad range of critical securities and futures processing infrastructure products and services to the global financial services industry. Its products and services include securities and futures clearing and execution, financing and cash management technology and other related offerings, and provide tools and services to support trading in multiple markets, asset classes and currencies. Penson Worldwide was founded by Phil A. Pendergraft and Daniel P. Son in 1995 and is headquartered in Dallas, TX.

Founded in 1995 by Daniel P. Son and Phil Pendergraft, Penson Financial Services, Inc. (PFSI) is a broker/dealer headquartered in Dallas, Texas. The firm is a subsidiary of Penson Worldwide, Inc. (NasdaqGS: PNSN). They provide flexible, technology-based processing solutions for the execution, clearing, custody and settlement of securities transactions. PFSI also offers a platform for registered investment advisors and provides prime brokerage services to hedge funds and other institutional investors. The firm does not provide any internal research. PFSI is a member of FINRA and the SIPC

Ernst & Young provides accounting services. Its services include auditing, accounting, tax and transaction services, assurance and advisory business, online transaction advisory and a wide range of financial services. The company was founded by Arthur Young and Alwin C. Ernst in 1881 and is headquartered in Kansas City, MO.

Lenovo EMC Ltd. engages in the provision of server message block storage services. The company is headquartered in San Diego, CA.