Rolf Johnsen

Founded by Steven A. Cohen in 1992, S.A.C. Capital Advisors LP is a hedge fund manager located in Stamford, Connecticut with offices in New York City, Chicago and Boston.

Pemigewasset Capital LLC is an independent hedge fund manager headquartered in Southport, Connecticut. Founded in 2002, the firm provides investment advice to high net-worth clients.

JPMorgan Chase Bank, NA (Investment Management) (JPMC-IM) is the investment management division of JPMorgan Chase Bank, NA, ultimately held by JPMorgan Chase & Co. (NYSE: JPM), a global financial services firm. Headquartered in New York City, JPMC-IM provides asset management services for corporations, institutional investors, hedge funds, governments, healthcare organizations, educational institutions and affluent individuals.

Kaiser Permanente Washington Health Research Institute is a non profit organization that provides healthcare plans and services. It focuses on total health of its members and guided by personal physicians, specialists, and team of caregivers. Its expert and caring medical teams are empowered and supported by industry-leading technology advances and tools for health promotion, disease prevention, care delivery, and chronic disease management. The company was founded in 1983 and is headquartered in Seattle, WA.

Part of Silvercrest Asset Management Group, Inc., The Longchamp Group, Inc. provides investment advisory services. The company is based in WILMINGTON, DE. The Longchamp Group was acquired by Silvercrest Asset Management Group, Inc. on December 31, 2004.

Whitebox Advisors LLC (Whitebox) is an independent, SEC-registered investment advisor and alternative asset manager headquartered in Minneapolis, Minnesota. Founded in 1999, Whitebox manages and advises private investment funds. They also offers advisory services to separately managed accounts.