Sec Form 4 Filing - Carbone Kendall K @ CLOUD PEAK ENERGY INC. - 2019-03-04

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 Carbone Kendall K 2. Issuer Name and Ticker or Trading Symbol CLOUD PEAK ENERGY INC. [ CLD] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) VP & Chief Accounting Officer (Last) (First) (Middle) 748 T-7 ROAD 3. Date of Earliest Transaction (MM/DD/YY) 03/04/2019 (Street) GILLETTE, WY82718 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 03/04/2019 M 29,322 ( 1 ) A $ 0.47 39,159 ( 3 ) D Common Stock 03/04/2019 F 12,896 ( 2 ) D $ 0.47 26,263 ( 3 ) 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 Restricted Stock Units ( 4 ) 03/04/2019 M 29,322 ( 4 ) ( 4 ) Common Stock 29,322 $ 0 31,557 ( 5 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Carbone Kendall K 748 T-7 ROAD GILLETTE, WY82718 VP & Chief Accounting Officer Signatures /s/ Bryan J. Pechersky, attorney-in-fact for Kendall K. Carbone 03/05/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Reflects the number of shares of common stock issued by the Issuer in connection with the vesting of 2016 restricted stock units ("RSUs") granted on March 4, 2016 and originally reported in Table II on the Form 4 filed on March 8, 2016. ( 2 )Reflects the number of shares of common stock withheld by the Issuer in satisfaction of the Reporting Person's tax withholding obligation upon the vesting of 2016 RSUs. ( 3 )This total does not include RSUs granted to the Reporting Person in 2017 or 2018 as vested RSUs may be paid in shares, cash or a combination of shares and cash, in the discretion of the Compensation Committee. ( 4 )Each 2016 RSU represented a contingent right to receive the value of one share of Cloud Peak Energy Inc. ("CPE") common stock. The RSUs vested 3 years from the date of grant (which was March 4, 2016). The performance share units that were also granted on March 4, 2016 did not vest and were cancelled based on CPE relative total shareholder return. ( 5 )Reflects RSUs granted to the Reporting Person in 2017 and 2018.

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).

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