Matthew Halbower

Pentwater Capital Management LP (Pentwater) is an independent hedge fund manager headquartered in Naples, Florida. The firm was founded by Matthew C. Halbower in 2007. Pentwater serves as an investment adviser or trading manager to private investment funds and separately managed accounts.

Part of Pentwater Capital Management LP, Pentwater Europe Holdings I Ltd. is a British company that provides financial intermediation services. The company is based in London, UK and was founded in 2007.

Deephaven Capital Management LLC performs investment management services and sponsors a private investment fund, the Deephaven fund, for institutions and high-net-worth individuals. The Minnetonka, Minnesota-based firm is a subsidiary of Knight Trading Group, Inc. (NASDAQ: NITE)

Citadel Advisors LLC is a SEC-registered investment advisor and hedge fund manager headquartered in Miami, Illinois. The firm was founded in 1990 by Kenneth Griffin and is a wholly-owned by Citadel Advisors Holdings LP, ultimately held by GFH HFEVA LLC. Citadel Advisors manages private investment funds that are offered exclusively to sophisticated investors.