Sec Form 4 Filing - Warburg Pincus Private Equity VIII, L.P. @ ANTERO RESOURCES Corp - 2018-11-08

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person Warburg Pincus Private Equity VIII, L.P. 2. Issuer Name and Ticker or Trading Symbol ANTERO RESOURCES Corp [ AR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O WARBURG PINCUS & CO., 450 LEXINGTON AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 11/08/2018 (Street) NEW YORK, NY10017 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common stock, par value $0.01 per share 11/08/2018 S 5,038 D $ 15.87 0 ( 1 ) ( 2 ) ( 3 ) D Common stock, par value $0.01 per share 11/08/2018 S 143 D $ 15.87 0 ( 1 ) ( 2 ) ( 3 ) I See Footnote ( 4 ) Common stock, par value $0.01 per share 11/08/2018 S 13 D $ 15.87 0 ( 1 ) ( 2 ) ( 3 ) I See Footnote ( 5 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Owner ship (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Warburg Pincus Private Equity VIII, L.P. C/O WARBURG PINCUS & CO. 450 LEXINGTON AVENUE NEW YORK, NY10017 X X Warburg Pincus Partners, L.P. C/O WARBURG PINCUS & CO. 450 LEXINGTON AVENUE NEW YORK, NY10017 X X Warburg Pincus Partners GP LLC C/O WARBURG PINCUS & CO. 450 LEXINGTON AVENUE NEW YORK, NY10017 X X WARBURG PINCUS & CO. C/O WARBURG PINCUS & CO. 450 LEXINGTON AVENUE NEW YORK, NY10017 X X Signatures WARBURG PINCUS PRIVATE EQUITY VIII, L.P. By: Warburg Pincus Partners, L.P., its general partner By:Warburg Pincus Partners GP LLC, its general partner By: Warburg Pincus & Co., its managing member By: Name: Robert B. Knauss Title: Partner 11/09/2018 Signature of Reporting Person Date WARBURG PINCUS PARTNERS, L.P. By: Warburg Pincus Partners GP LLC, its general partner By: Warburg Pincus & Co., its managing member By: Name: Robert B. Knauss Title: Partner 11/09/2018 Signature of Reporting Person Date WARBURG PINCUS PARTNERS GP LLC By: Warburg Pincus & Co., its managing member By: Name: Robert B. Knauss Title: Partner 11/09/2018 Signature of Reporting Person Date WARBURG PINCUS & CO. By: Name: Robert B. Knauss Title: Partner 11/09/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )This Form 4 is filed on behalf of Warburg Pincus Private Equity VIII, L.P., a Delaware limited partnership ("WP VIII", and together with its two affiliated partnerships, Warburg Pincus Netherlands Private Equity VIII C.V. I, a company formed under the laws of the Netherlands ("WP VIII CV I"), and WP-WPVIII Investors, L.P., a Delaware limited partnership ("WP-WPVIII Investors"), collectively, the "WP VIII Funds"). ( 2 )WP-WPVIII Investors GP L.P., a Delaware limited partnership ("WP-WPVIII Investors GP"), is the general partner of WP-WPVIII Investors. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP-WPVIII Investors GP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is (i) the managing member of WPP GP, and (ii) the general partner of WP VIII and WP VIII CV I. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners. ( 3 )Warburg Pincus & Co., a New York general partnership ("WP"), is the managing member of WP Partners GP. ( 4 )Common Stock of the Issuer is held directly by WP VIII CV I. ( 5 )Common Stock of the Issuer is held directly by WP-WPVIII Investors.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.