Mario E. Abularach

Wellington Management Co. LLP (WMC) is a registered investment advisor and mutual fund manager headquartered in Boston, Massachusetts. The firm was founded in 1928 and is a subsidiary of Wellington Investment Advisors Holdings LLP, ultimately held by Wellington Management Group LLP. WMC offers investment management services for a fee to separate account clients and mutual funds sponsored by unaffiliated parties, as well as to investment vehicles that the firm sponsors.

Founded by Jeffrey L. Feinberg in 1999, JLF Asset Management LLC is a hedge fund manager based in Del Mar, California. They manage the JLF Partners I LP, the JLF Partners II LP, the JLF Offshore Fund Ltd. and the JLF Concentrated Partners LP.

Smith Barney, Inc. is a broker/dealer located in New York City. The firm is a subsidiary of Citigroup Global Markets Holdings, Inc. and their ultimate parent is Citigroup, Inc. The firm provides an array of trading and execution services for their clients. They do not provide any internal research

GTCR LLC (GTCR) is a private equity firm founded in 1980 by Charlie Thomas. The firm is headquartered in Chicago, Illinois.