Big Deals

Cisco/NDS; Pentali/Tyco Flow Control; Zayo/AboveNet

Apollo/El Paso Exploration and Production; Kellogg/Pringles; ABB/Thomas & Betts; Oracle/ Taleo

Technically Speaking

Polska/Quadra; Sinopec/Daylight; Plains/BP; BCE and Rogers/Maple Leaf Sports & �Entertainment

Zynga IPO; Eastman Chemical/Solutia; United Rentals/RSC Holdings Inc.

Gilead / Pharmasset; KKR Consortium / Samson; KKR Consortium / Samson

Private equity firms had an active if challenging year in 2011.

Groupon IPO; Oracle / RightNow; 99 Cents Only Stores

Kinder Morgan / El Paso; Cigna / HealthSpring; Carlyle and Hellman & Friedman/PPD

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