Do-Haeng Heo

Mirae Asset Securities Co., Ltd. (Broker) (Mirae Asset-Broker) is the broker/dealer division of Mirae Asset Securities Co., Ltd. (KRX: 006800), a publicly-listed investment banking and stock brokerage company headquartered in Seoul, South Korea. Founded in 1902, Mirae Asset-Broker originates, structures, and executes a series of products and solutions linked to equity, derivatives, commodities, options, fixed-income, currency, and alternative investment products and provides them to financial institutions and wealth management organizations in Korea and overseas.

HanMag Securities Corp. is a South Korean financial services company founded in 1991. HanMag Securities is based in Seoul, KR. The company provides a range of asset management services including exchange-traded derivatives, futures, fixed income, and equities. The company was acquired by REFCO Global Holdings LLC on January 06, 2004 for $4.50 million.