Ke Yin

Founded in 1993, Amherst Securities Group LP is an SEC-registered broker/dealer headquartered in Austin, Texas. The firm is a subsidiary of Amherst Pierpont Securities LLC. Amherst Securities is a leading dealer and market maker in mortgage-backed securities, agency securities and select fixed-income investments. The firm focuses on mortgage-related investments for institutional customers including large federal agencies, private asset managers and mid-size depositories. Amherst Securities provides an array of trading and execution services for their clients. They do not provide any internal research.

UBS Securities LLC is an investment bank and registered broker/dealer headquartered in New York City. The firm was founded in 1998 as UBS Warburg LLC. They are a subsidiary of UBS Americas Holding LLC, ultimately held by UBS Group AG (SWX: UBSG, NYSE: UBS) in Switzerland. UBS Securities is a primary dealer in US Government securities and provides a full range of investment banking services which includes corporate finance, mergers and acquisitions, capital markets, trading and sales, fixed-income, equity research, private banking, underwriting and prime brokerage operations. The firm also provides advisory services and access to capital markets for corporate, institutional, intermediary and alternative asset management clients.