Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common stock, par value $0.01 per share^{F1,F2,F3,F4,F5}	Nov 8, 2018	S	801,865	$15.87	D	32,566,126	D
Common stock, par value $0.01 per share^F6	Nov 8, 2018	S	11,790,102	$15.87	D	0	I	See Footnote
Common stock, par value $0.01 per share^{F1,F2,F3,F4,F5,F7}	Nov 8, 2018	S	402,839	$15.87	D	1,042,935	I	See Footnote

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

F1This Form 4 is filed on behalf of (i) Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WP X"), and Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WP X Partners", and together with WP X, "WP X Funds"); and (ii) Warburg Pincus Private Equity X O&G, L.P., a Delaware limited partnership ("WP X O&G").
F2Warburg Pincus X, L.P., a Delaware limited partnership ("WP X GP"), is the general partner of the 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"), is the general partner of WP X GP LP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners.
F3Warburg Pincus & Co., a New York general partnership ("WP"), is the managing member of WP Partners GP.
F4By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Reporting Persons and certain affiliates may be deemed to be beneficial owners of 1,042,935 shares of common stock, par value $0.01 per share ("Common Stock") of Antero Resources Corporation (the "Issuer") held collectively by the WP X Funds and 32,566,126 shares of Common Stock of the Issuer held by WP X O&G. The Warburg Pincus Reporting Persons and such affiliates disclaim beneficial ownership of such shares of Common Stock of the Issuer except to the extent of their direct pecuniary interest therein. WP Partners, WP Partners GP, and WP are directors-by-deputization solely for purposes of Section 16 of the Exchange Act.
F5Information with respect to each of the Warburg Pincus Reporting Persons is given solely by such Warburg Pincus Reporting Person, and no Warburg Pincus Reporting Person has responsibility for the accuracy or completeness of information supplied by another Warburg Pincus Reporting Person.
F6Common Stock of the Issuer is held directly by WP X.
F7Common Stock of the Issuer is held directly by WP X Partners.

Remarks

This Form 4 is one of two Forms 4 filed relating to the same event. The Form 4 has been split into two filings because there are more than 10 reporting persons in total, and the SEC's EDGAR filing system limits a single Form 4 to a maximum of 10 reporting person.