Daniel W. Cook

Centex Corp. engages in the construction and selling of detached and attached single-family homes. The firm provides designing, mortgage, commerce title and insurance services. The company was founded in 1950 and is headquartered in Dallas, Texas.

Planar Systems, Inc. engages in developing, manufacturing and marketing electronic display products and systems. Its products include LCD video walls, rear projection video walls, large format displays, desktop and touch screen monitors, transparent displays, touch displays, processing and players, open frame and custom displays, accessories and home theater products-and home theater projection systems. The company was founded by Jim Hurd, Christopher N. King and John Laney on April 27, 1983 and is headquartered in Beaverton, OR.

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.

Leopard Acquisition Corp. is a blank check company. It is seeking to acquire control of a business in the United States or Europe, without limit to a particular industry. The company will liquidate if it has not initiated a business combination within 24 months of its public offering. Leopard Acquisition was organized in January 2008 and is located in Wilson, WY

Goldman Sachs & Co. LLC (GS&Co.) is a securities brokerage firm headquartered in New York City. Founded in 1927, the firm is a subsidiary of The Goldman Sachs Group, Inc. (NYSE: GS). GS&Co. provides services to help hedge funds manage risk, monitor portfolios, maintain liquidity and build their businesses. They offer clients access to global equity and derivatives markets, as well as foreign exchange, commodities, European Lefts, rates and credit across the Americas, Europe and Asia. The firm proactively monitors capital markets, searching for pockets of liquidity and news that may require changes to those strategies. Integration with the Goldman Sachs network gives clients access to the firm's sectored block trades and their insights into price discovery. Their electronic trading program provides clients with tools to manage their trades from pre-trade analytics to post-trade analysis.

National Review Online creates and publishes periodicals, magazines and trade journals. It also offers story books such as The National Review Treasury of Classic Bedtime and Choosing the Right College. The company was founded by William F. Buckley in 1955 and is headquartered in New York, NY.

Dallas-based Centex Corporation (NYSE: CTX), founded in 1950, is a home building company. Centex Homes operates in major U.S. markets in 25 states and delivered more than 33,000 homes in the United States in its most recent fiscal year ended March 31, 2005. Its leading brands include Centex Homes, Fox & Jacobs Homes and Centex Destination Properties. The company, which handles commercial construction chores for parent Centex Corporation, offers start-to-finish project management and construction services, including site evaluation and analysis, general contracting, cost consulting, process equipment installation, turnkey medical facility development, capital equipment planning, and closeout services. Typical projects include such facilities as hotels, office buildings, civic centers, airports, hospitals, industrial facilities, schools, public buildings, and retail locations.