John C. Hill

Quadrangle Group LLC (Quadrangle Group) is a private equity firm founded in 2000. The firm is headquartered in New York.

Davis Selected Advisers LP (David Advisors) is a SEC-registered investment advisor and mutual fund manager headquartered in Tucson, Arizona. Founded in 1969, David Advisors provides discretionary portfolio management services, serves as investment adviser or sub-adviser for registered investment companies (such as the Davis ETFs, Davis Funds, Selected Funds, and Clipper Fund), unregistered investment companies, offshore funds, private accounts and other pooled investment vehicles. The firm also works with sponsors to serve as investment adviser for managed money/wrap account programs.

Soundview Technology Corp. is a broker/dealer located in Old Greenwich, Connecticut. Soundview is a research-driven securities firm providing institutional investors with fundamental research on companies in technology, media, telecommunications, healthcare and other growth-related industries.

Central Securities Corp. is a closed-end management investment company, which engages in the provision of common stocks. It also invests in bonds, convertible bonds, preferred stocks, convertible preferred stocks, warrants, options real estate, or short-term obligations of governments, banks, and corporations. The company was founded on October 1, 1929 and is headquartered in New York, NY.