13F-HR LIVE 0001162870 XXXXXXXX 03-31-2014 03-31-2014 false Warburg Pincus LLC

450 Lexington Avenue New York NY 10017

13F HOLDINGS REPORT 028-14208 Y * The positions reported in the table are held, directly or indirectly, by one or more entities engaged in the private equity business. (1) The information herein consists of 29,135,449 Class B Ordinary Shares which are convertible into one Class A Ordinary Share and such Class A Ordinary Shares are convertible into 14,567,724 ADS. (2) WP Antero, LLC, an affiliate of Warburg Pincus LLC, holds a 38.4% voting interest, and a minority economic interest that is determined based on a multi-level waterfall, in Antero Resources Investment LLC, which directly owns the 220,965,909 shares of common stock of Antero Resources, Inc. (3) The correct number that should appear in column 8 for Antero Resources, Inc. shared voting authority is 220,965,909. (4) The information contained herein includes 17,051,886 shares held by WP Expedition Co-Invest L.P., an affiliate of Warburg Pincus LLC. (5) The correct number that should appear in column 8 for Kosmos Energy Limited shared voting authority is 137,011,151. (6) The RDA Micro-electronics, Inc. information reported consists of 87,620,652 Ordinary Shares directly held which are convertible into 14,603,442 SPONS ADR's and 15,000,000 Ordinary Shares indirectly held which are convertible into 2,500,000 SPONS ADR's. (7) On April 18, 2014 Sterling Financial Corporation merged with and into Umpqua Holdings Corporation ("Umpqua"), with Umpqua as the surviving corporation in the merger. (8) The Xueda Ed. Group information reported includes 8,624,000 Ordinary Shares convertible into 4,312,000 SPONS ADR's. Robert B. Knauss 212-878-0600 /s/ Robert B. Knauss New York NY 05-13-2014 1 18 22588484 false 1 028-04826 Warburg Pincus & Co.