F1On May 7, 2015, the WP X Funds (as defined below in footnote 2), distributed an aggregate of 3,602,779 shares of common stock of Antero Resources Corporation ("Common Stock") to their partners on a pro rata basis, with no consideration being paid in connection therewith.
F2Each of Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WP X"), Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WP X Partners," and together with WP X, the "WP X Funds"), and Warburg Pincus Private Equity X O&G, L.P., a Delaware limited partnership ("WP X O&G"), hold a beneficial interest in WP Antero, LLC, a Delaware limited liability company ("WP Antero"), an indirect subsidiary of WP X and WP X O&G, and a direct subsidiary of WP X Partners and a member in Antero Resources Investment, LLC.
F3Warburg Pincus X, L.P., a Delaware limited partnership ("WP X GP"), is the general partner of WP X Funds and WP X O&G. Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP LP"), is the general partner of WP X GP. WPP GP LLC, a Delaware limited liability company ("WPP GP LLC") is the general partner of WP X GP LP. WP is the managing member of Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), which is the general partner of Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), which is the managing member of WPP GP LLC. WP LLC is the manager of the WP X Funds, and WP X O&G.
F4Warburg Pincus LLC, a New York limited liability company ("WP LLC"), is the manager of the WP X Funds, and WP X O&G. Warburg Pincus & Co., a New York general partnership ("WP"), is a member and managing director of WP LLC. Charles R. Kaye and Joseph P. Landy are each a Managing General Partner of WP and a Managing Member and Co-President of WP LLC and may be deemed to control the Warburg Pincus Entities. Each of Messrs. Kaye and Landy, together with the WP X Funds, WP X O&G, WP X GP, WP X GP LP, WPP GP LLC, WP Antero, WP Partners, WP Partners GP, WP LLC and WP are collectively referred to herein as the "Warburg Pincus Entities."

Remarks

Due to the limitation on the number of Reporting Persons allowed on Form 4, WP Antero, LLC and WPP GP LLC are included as a Reporting Person on the Form 4 filed by Warburg Pincus Private Equity VIII, L.P. * The Power of Attorney given by each of Warburg Pincus & Co., Mr. Kaye and Mr. Landy was previously filed with the U.S. Securities & Exchange Commission on November 26, 2013 as an exhibit to a statement on Form 4 filed by Warburg Pincus Private Equity IX, L.P. with respect to Laredo Petroleum Holdings, Inc. (now known as Laredo Petroleum, Inc.) and is hereby incorporated by reference.