13F-HR LIVE false true false 0001162870 XXXXXXXX 09-30-2015 09-30-2015 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) 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 200,165,909 shares of common stock of Antero Resources Inc. (2) The correct number that should appear in column 8 for Antero Resources, Inc. shared voting authority is 200,165,909. (3) The information contained herein includes 12,575,112 shares held by WP Expedition Co-Invest L.P., an affiliate of Warburg Pincus LLC. (4) The correct number that should appear in column 8 for Kosmos Energy Limited shared voting authority is 118,008,651. Robert B. Knauss (212) 878-0600 /s/ Robert B. Knauss New York NY 11-16-2015 1 12 7945902 false 1 28-04826 Warburg Pincus & Co.