Sec Form 4 Filing - Forney Larry R @ Memorial Resource Development Corp. - 2016-09-16

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 Forney Larry R 2. Issuer Name and Ticker or Trading Symbol Memorial Resource Development Corp. [ MRD] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Senior Vice President and COO (Last) (First) (Middle) 500 DALLAS, SUITE 1800 3. Date of Earliest Transaction (MM/DD/YY) 09/16/2016 (Street) HOUSTON, TX77002 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ 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 09/16/2016 D 284,380 ( 3 ) D 0 D Common Stock 09/16/2016 F 100,096 D 0 D

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 Forney Larry R 500 DALLAS, SUITE 1800 HOUSTON, TX77002 Senior Vice President and COO Signatures /s/ Kyle N. Roane, Attorney-in-Fact 09/16/2016 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On September 16, 2016, pursuant to the Agreement and Plan of Merger dated as of May 15, 2016 (the "Merger Agreement"), by and among Memorial Resource Development Corp. (the "Company"), Range Resources Corporation ("Range") and Medina Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Company (the "Merger"), with the Company surviving the Merger and continuing as a wholly-owned subsidiary of Range. ( 2 )Pursuant to the Merger Agreement, each share of Company common stock issued and outstanding immediately prior to the effective time of the Merger owned by the Reporting Person was converted at such time into the right to receive 0.375 of a share of Range common stock, or in the case of fractional shares of Range common stock, cash (without interest) in an amount equal to the product of (i) such fractional part of a share of Range common stock multiplied by (ii) the volume weighted average price of Range common stock for the five consecutive trading days immediately prior to the closing date of the Merger as reported by Bloomberg, L.P. (the "Merger Consideration"). The closing price per share of Range common stock on the day prior to the effective date of the merger was $39.37. ( 3 )Includes 238,606 shares of restricted Company common stock that were granted to the Reporting Person under the Company 2014 Long-Term Incentive Plan that, pursuant to the Merger Agreement, vested immediately prior to the effective time of the Merger and the restrictions with respect thereto lapsed, and each such share of restricted Company common stock was converted at the effective time of the Merger into the right to receive the Merger Consideration. ( 4 )The reporting person delivered 100,096 shares of common stock to satisfy tax withholding liabilities incident to the vesting of restricted shares pursuant to the Merger in accordance with Rule 16b-3.

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