Chun C. Chang

A unit of Prudential Financial, Inc. (NYSE: PRU), Prudential Equity Group LLC is a broker/dealer headquartered in New York City with additional offices in Chicago, Kansas City, Missouri, Menlo Park, California and San Francisco. The firm provides indpendent equity research, sales and trading to domestic and international institutional clients

Oppenheimer & Co., Inc. (Broker) (Oppenheimer-Broker) is the global full-service brokerage division of Oppenheimer & Co., Inc., an investment boutique headquartered in New York City with additional offices nationwide. Founded in 1975, the firm is owned directly by Viner Finance Inc., an indirect subsidiary of Oppenheimer Holdings Inc. (NYSE: OPY). Oppenheimer-Broker offers a full array of brokerage services to retail, institutional, and corporate clients.