Sec Form 4 Filing - Sevilla-Sacasa Frances Aldrich @ Callon Petroleum Co - 2019-12-20

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 Sevilla-Sacasa Frances Aldrich 2. Issuer Name and Ticker or Trading Symbol Callon Petroleum Co [ CPE] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 2000 W. SAM HOUSTON PKWY. S., SUITE 2000 3. Date of Earliest Transaction (MM/DD/YY) 12/20/2019 (Street) HOUSTON, TX77042 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 12/20/2019 A 8,990 ( 1 ) A 8,990 D Common Stock 12/20/2019 A 14,483 A 23,473 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 Sevilla-Sacasa Frances Aldrich 2000 W. SAM HOUSTON PKWY. S. SUITE 2000 HOUSTON, TX77042 X Signatures /s/ Frances A. Sevilla-Sacasa, by Stacy E. Skelton, Attorney-in-Fact 12/20/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On December 20, 2019, Callon Petroleum Company ("Callon") and Carrizo Oil & Gas, Inc. ("Carrizo") completed the transactions contemplated by that certain Agreement and Plan of Merger, dated as of July 14, 2019, as amended on August 19, 2019 and further amended on November 13, 2019 (the "Merger Agreement"), by and between Callon and Carrizo, pursuant to which Carrizo merged with and into Callon, with Callon as the surviving corporation (the "Merger"). Pursuant to the Merger Agreement, at the Effective Time (as defined therein), each share of common stock, par value $0.01 per share, of Carrizo ("Carrizo common stock") beneficially owned by the Reporting Person at the effective time of the Merger, was cancelled and exchanged for 1.75 shares of common stock, par value $0.01 per share, of Callon ("Callon common stock"). ( 2 )Received in exchange for 5,137 shares of Carrizo common stock in connection with the Merger. On the effective date of the Merger, the closing price of Callon common stock was $4.72 per share and the closing price of Carrizo common stock was $8.25 per share. ( 3 )Received in exchange for 8,276 Carrizo restricted stock units in connection with the Merger. On the effective date of the Merger, the closing price of Callon common stock was $4.72 per share and the closing price of Carrizo common stock was $8.25 per share.

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

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