KKR North American XI Fund, L.P., managed by KKR & Co. L.P. (NYSE:KKR) agreed to acquire a significant minority stake in Arbor Pharmaceuticals, LLC on December 4, 2014. The deal was granted approval by Federal Trade Commission on December 15, 2014. Lazard Middle Market acted as financial advisor and Jack Capers, Matthew Stewart, Christopher Austin, Sawyer Duncan, Samira Hariramasamy, Nathan Mihalik, Brian Park, Daniel Ray, Spencer Stockdale, Rebecca Kaufman, John Sweet, Kenneth Raskin, Jeffrey Spigel and Jessica Ringel of King & Spalding LLP served as legal advisors for Arbor Pharmaceuticals. Andrew Smith, Nishal Ramphal, Ryan Song, Nelli Zaltsman, Derrick Sutter, Lori Lesser, Greg Chuebon, Christian Jackson, Nancy Mehlman, Jordan Tamchin, Tristan Brown, Thomas Asmar, Patricia Adams, Samantha Steinfeld, Adeeb Fadil, Louise Kruger, Richard Kim, Michael Naughton, Kenneth Ehrhard and Krista McManus of Simpson Thacher & Bartlett LLP acted as legal advisors for KKR & Co. L.P.

KKR North American XI Fund, L.P., managed by KKR & Co. L.P. (NYSE:KKR) completed the acquisition of a significant minority stake in Arbor Pharmaceuticals, LLC in 2015.