Sec Form 4 Filing - RNBD GP LLC @ Eclipse Resources Corp - 2014-06-24

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

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1. Name and Address of Reporting Person RNBD GP LLC 2. Issuer Name and Ticker or Trading Symbol Eclipse Resources Corp [ ECR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 1100 LOUISIANA STREET, SUITE 4900 3. Date of Earliest Transaction (MM/DD/YY) 06/24/2014 (Street) HOUSTON, TX77002 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 06/24/2014 J( 10 ) 8,800,000 D $ 0 129,700,000( 1 )( 5 )( 6 )( 7 )( 8 )( 9 ) I See Footnotes( 1 )( 5 )( 6 )( 7 )( 8 )( 9 ) Common Stock, par value $0.01 per share 06/24/2014 J( 11 ) 3,766,343 A $ 0 3,766,343( 2 )( 5 )( 6 )( 7 )( 8 )( 9 ) I See Footnotes( 2 )( 5 )( 6 )( 7 )( 8 )( 9 ) Common Stock, par value $0.01 per share 06/24/2014 J( 12 ) 2,092,413 A $ 0 2,092,413( 3 )( 5 )( 6 )( 7 )( 8 )( 9 ) I See Footnotes( 3 )( 5 )( 6 )( 7 )( 8 )( 9 ) Common Stock, par value $0.01 per share 06/24/2014 J( 13 ) 2,845,976 A $ 0 2,845,976( 4 )( 5 )( 6 )( 7 )( 8 )( 9 ) I See Footnotes( 4 )( 5 )( 6 )( 7 )( 8 )( 9 ) Common Stock, par value $0.01 per share 06/25/2014 S( 14 ) 3,766,343 D $ 25.58 0 I See Footnotes( 2 )( 5 )( 6 )( 7 )( 8 )( 9 ) Common Stock, par value $0.01 per share 06/25/2014 S( 14 ) 2,092,413 D $ 25.58 0 I See Footnotes( 3 )( 5 )( 6 )( 7 )( 8 )( 9 ) Common Stock, par value $0.01 per share 06/25/2014 S( 14 ) 2,845,976 D $ 25.58 0 I See Footnotes( 4 )( 5 )( 6 )( 7 )( 8 )( 9 )

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 Ownership (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 RNBD GP LLC 1100 LOUISIANA STREET SUITE 4900 HOUSTON, TX77002 X PETERSEN GARY R 1100 LOUISIANA STREET, SUITE 4900 HOUSTON, TX77002 X MILLER DAVID B 1100 LOUISIANA STREET, SUITE 4900 HOUSTON, TX77002 X Signatures /s/ Gary R. Petersen, Member 06/26/2014 Signature of Reporting Person Date

Explanation of Responses:

( 1 )These securities are directly held by Eclipse Resources Holdings, L.P. ("Eclipse Holdings"). ( 2 )These securities are directly held by EnCap Energy Capital Fund VIII, L.P. ("EnCap Fund VIII"). ( 3 )These securities are directly held by EnCap Energy Capital Fund VIII Co-Investors, L.P. ("EnCap Fund VIII Co-Invest"). ( 4 )These securities are directly held by EnCap Energy Capital Fund IX, L.P. ("EnCap Fund IX"). ( 5 )EnCap Fund VIII, EnCap Fund VIII Co-Invest and EnCap Fund IX (collectively, the "EnCap Funds") collectively own 100% of the Class A Units of Eclipse Holdings. Accordingly, the EnCap Funds may be deemed to beneficially own the reported securities. ( 6 )The EnCap Funds are controlled indirectly by David B. Miller, D. Martin Phillips, Gary R. Petersen, and Robert L. Zorich, who are the controlling members of RNBD GP LLC ("RNBD") and any action taken by RNBD to dispose or acquire securities has to be unanimously approved by all four members. RNBD is the sole member of EnCap Investments GP, L.L.C. ("EnCap Investments GP"), which is the general partner of EnCap Investments L.P. ("EnCap Investments LP"), which is the general partner of EnCap Equity Fund VIII GP, L.P. ("EnCap Fund VIII GP") and EnCap Equity Fund IX GP, L.P. ("EnCap Fund IX GP"). EnCap Fund VIII GP is the sole general partner of each of EnCap Energy Capital Fund VIII, L.P. and EnCap Energy Capital Fund VIII Co-Investors, L.P. EnCap Fund IX GP is the sole general partner of EnCap Fund IX. ( 7 )(Continued from footnote 6) Therefore, Messrs. Miller, Phillips, Petersen and Zorich, RNBD, EnCap Investments GP, EnCap Investments LP, EnCap Fund VIII GP and EnCap Fund IX GP may be deemed to beneficially own the reported securities. ( 8 )This report is filed in connection with the Form 4 filed jointly today by EnCap Fund VIII, EnCap Fund VIII Co-Invest, EnCap Fund IX, EnCap Fund VIII GP, EnCap Fund IX GP, EnCap Investments LP and EnCap Investments GP and the Form 4s filed today by Mr. Zorich and Mr. Phillips. ( 9 )The reporting person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the reported securities for purposes of Section 16 or for any other purpose. ( 10 )Pro-rata distribution by Eclipse Holdings to its limited partners. ( 11 )Pro-rata distribution by Eclipse Holdings to EnCap Fund VIII. ( 12 )Pro-rata distribution by Eclipse Holdings to EnCap Fund VIII Co-Invest. ( 13 )Pro-rata distribution by Eclipse Holdings to EnCap Fund IX. ( 14 )Sale in connection with the initial public offering of the common stock of Eclipse Resources Corporation.

Remarks: Exhibit ListExhibit 99 - Joint Filer Information

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