Philip D. DeFeo

Pacific Exchange, Inc. was a regional stock exchange. It was a marketplace where individual and institutional investors, broker-dealers and registered Options Trading Permit (OTP) firms meet to buy and sell options on stocks. The company was located in San Francisco, CA

Lehman Brothers Holdings, Inc. engages in the provision of securities underwriting and investment services. The company is headquartered in New York, NY.

Allied World Assurance Co. Holdings AG engages in the provision of insurance and reinsurance solutions. It operates through the following segments: North American Insurance, Global Markets Insurance, and Reinsurance. The North American Insurance segment offers general property and healthcare assistance products. The Global Markets Insurance segment caters to professional liabilities, marine, aviation, and on-shore construction operations. The Reinsurance segment includes property and casualty assurance services. The company was founded on November 13, 2001 and is headquartered in Zug, Switzerland.