UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): September 2, 2014

Cloud Peak Energy Inc.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (307) 687-6000

Not Applicable

(Former name or former address if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o            Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o            Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o            Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o            Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 5.02                        Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

Cloud Peak Energy Announces Expected First Quarter 2015 CFO Transition

Cloud Peak Energy Inc. (“CPE”) announced that on September 2, 2014, its current Executive Vice President and Chief Financial Officer, Michael Barrett, provided CPE with notice that he is planning to relocate his family back to Australia and expects to resign from Cloud Peak Energy by the end of the first quarter of 2015.  Barrett has served as Cloud Peak Energy’s Executive Vice President and Chief Financial Officer since September 2008.

CPE also announced that it expects to promote Heath Hill, currently Cloud Peak Energy’s Vice President and Chief Accounting Officer, age 44, to serve as Executive Vice President and Chief Financial Officer following Mr. Barrett’s departure.  Mr. Hill has served as the company’s Vice President and Chief Accounting Officer since September 2010.  Previously, he served in various capacities with PricewaterhouseCoopers LLP from September 1998 to September 2010, including Senior Manager from September 2006 to September 2010, and Manager from September 2003 to September 2006. While with PricewaterhouseCoopers LLP, Mr. Hill’s responsibilities included assurance services primarily related to SEC registrants, including annual audits of financial statements and internal controls, public debt offerings and IPO transactions. From June 2003 to June 2005 he held a position with PricewaterhouseCoopers in Germany serving U.S. registrants throughout Europe. Mr. Hill never worked on any engagements or projects for Cloud Peak Energy Inc. or its predecessor, Rio Tinto, while he was with PricewaterhouseCoopers LLP. Mr. Hill earned his Bachelor’s degree in accounting from the University of Northern Colorado and is an active certified public accountant.

Cautionary Note Regarding Forward-Looking Statements

This report contains “forward-looking statements” within the meaning of the safe harbor provisions of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Forward-looking statements are not statements of historical facts and often contain words such as “may,” “will,” “expect,” “believe,” “anticipate,” “plan,” “estimate,” “seek,” “could,” “should,” “intend,” “potential,” or words of similar meaning. Forward-looking statements are based on management’s current expectations or beliefs as well as assumptions and estimates regarding our company, industry, economic conditions, government regulations, energy policies and other factors. Forward-looking statements include the expected future transition plans regarding the company’s Chief Financial Officer position and other matters that do not relate strictly to historical facts. These statements are subject to significant risks, uncertainties, and assumptions that are difficult to predict and could cause actual results to differ materially and adversely from those expressed or implied in the forward-looking statements.  For a discussion of some of the factors that could adversely affect our future results, refer to the risk factors described from time to time in the reports and registration statements we file with the Securities and Exchange Commission (“SEC”), including those in Item 1A - Risk Factors in our most recent Form 10-K and any updates thereto in our Forms 10-Q and current reports on Forms 8-K. There may be other risks and uncertainties that are not currently known to us or that we currently believe are not material. We make forward-looking statements based on currently available information, and we assume no obligation to, and expressly disclaim any obligation to, update or revise publicly any forward-looking statements made in this report, whether as a result of new information, future events or otherwise, except as required by law.

Item 7.01                                      Regulation FD Disclosure

On September 2, 2014, CPE issued a press release announcing the expected first quarter 2015 transition of its chief financial officer.  The press release is furnished with this Report as Exhibit 99.1 and is incorporated in this Item 7.01 by reference.

The information contained in this Item 7.01 (including Exhibit 99.1) is furnished pursuant to this Item 7.01 and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, or otherwise subject to the liabilities of that Section, notwithstanding any general incorporation by reference language in other CPE filings.

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Item 9.01                                      Financial Statements and Exhibits

(d) Exhibits. The following exhibit is being furnished herewith.

99.1                        Furnished press release of Cloud Peak Energy Inc. announcing the expected first quarter 2015 transition of its chief financial officer

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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EXHIBIT INDEX

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