WARBURG PINCUS LLC

Q1 2015 13F Holdings Report, Stock Holdings

Signature - Title: Robert B. Knauss - Managing Director
Location: New York, NY
Holdings as of: 31 Mar 2015
Value $: $13,321,674,000
Num holdings: 14
Filing time: 14 May 2015, 17:11:00 UTC
Form type: 13F-HR
Description: All US holdings of this investor are reported in this report. Top holdings included AR, LPI, CBPO, KOS, and EIGI.
Previous filing: Q4 2014 - 13 Feb 2015
Next filing: Q2 2015 - 13 Aug 2015
SEC: View on sec.gov

Sym	Weight	Trade Impact	Company	Class	Share Change	Activity	Value Change $	Value $	* Price $	Shares	Principal

Filing 2015 Q1 compared to 2014 Q4 by default. Changes are calculated vs the previous SEC filing.

Compare Q1 2015 to

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.

Person Signing this Report on Behalf of Reporting Manager:

Name	Title	City, State	Date
Robert B. Knauss	Managing Director	New York, New York	14 May 2015

* 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 (a) 9,385,140 Class B Ordinary Shares which are convertible into one Class A Ordinary Share and such Class A Ordinary Shares are convertible into 4,692,570 ADS and (b) 68,028 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 207,165,909 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 207,165,909. (4) The information contained herein includes 12,575,112 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 118,008,651.

Other Included Managers (1):

Num	Name	Location	File Number
1	WARBURG PINCUS & CO.	NY, NY	028-04826