Robert Scott McLellan

Founded in 2007 by R. Scott McLellan and Timothy J. Jenkins, Marble Arch Investments LP is a hedge fund manager located in New York City. The firm serves as an investment manager and provides discretionary advisory services to related investment vehicles including private investment partnerships and a foreign investment company, organized to invest in securities. Investors may include high net-worth individuals, endowments, funds-of-hedge funds, trusts and estates, banking institutions, pension and profit sharing plans, charitable organizations and state or municipal governments.

Welsh, Carson, Anderson & Stowe (WCAS) is a private equity firm founded in 1979 by Patrick Welsh, Russ Carson and Bruce Anderson. The firm is headquartered in New York.

Highbridge Capital Management LLC (HCM Highbridge is a registered investment advisor and global alternative investment firm headquartered in New York City. The firm was founded in 1992 and is a subsidiary of JPMorgan Asset Management Holdings Inc., which is a wholly-owned subsidiary of JPMorgan Chase & Co. (NYSE: JPM). Highbridge manages capital for sophisticated investors, who include financial institutions, public and corporate pension funds, sovereign wealth funds, endowments and family offices.

Hound Partners LLC (Hound) is a registered investment adviser and hedge fund manager headquartered in New York City. The firm was founded by Jonathan Auerbach in 2004 and is wholly-owned by Hound Partners Management LP. Hound serves as the investment manager to several private funds and separately managed accounts.