Sam Elsokari

S.A.C. Global Investors LLP (S.A.C. GI) is the alternative investment management subsidiary of S.A.C. Global Ltd. in Great Britain. Formerly known as Walter Capital Management LLP, the firm was founded by Richard Walter in 2000. S.A.C. bought a stake in the business in 2004 and renamed it S.A.C. Global Investors LLP in 2008. Based in London, the firm is affiliated with Stephen Cohen's US-based multistrategy hedge fund firm S.A.C. Capital Advisors LP.

UBS O'Connor Ltd. is an independent alternative investment firm headquartered in London, UK. The firm was founded in 1987 and is a subsidiary of UBS Asset Management AG, ultimately owned by UBS Group AG (SWX: UBSG) in Switzerland. UBS O'Connor is a distinct investment area within UBS Asset Management, with complete independence in regard to investment decision-making. Their capabilities cover a wide range of investment programs, which seek to achieve attractive risk-adjusted absolute returns with low correlation to most major asset classes and traditional investment benchmarks.

Lehman Brothers International (Europe) (LBI) is the London-based subsidiary of Lehman Brothers Holdings, Inc. (NYSE: LEH). Established in 1972, LBI provides trading and broking fixed-income financial instruments, money broking, corporate finance and stock broking services. Lehman Brothers was founded in 1850.