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): March 26, 2012

Cloud Peak Energy Inc.

Cloud Peak Energy Resources LLC

(Exact name of registrant as specified in its charter)

Delaware Delaware		001-34547 333-168639		26-3088162 26-4073917
(State or other Jurisdiction of Incorporation)		(Commission File Number)		(IRS Employer Identification No.)

505 S. Gillette Ave., Gillette, Wyoming		82716
(Address of Principal Executive Offices)		(Zip Code)

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 7.01 Regulation FD Disclosure.

On March 26, 2012, Colin Marshall, President and Chief Executive Officer of Cloud Peak Energy Inc., will speak at the Howard Weil 40th Annual Energy Conference. Mr. Marshall’s related written presentation is furnished as Exhibit 99.1 to this Form 8-K and is hereby incorporated by reference. A copy of the slides will also be available at www.cloudpeakenergy.com/investor-relations/webcasts-and-presentations for 90 days. The Cloud Peak Energy website is not intended to function as a hyperlink, and the information contained on such website is not a part of this Form 8-K.

Item 9.01 Financial Statements and Exhibits

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

99.1	Furnished Slides from the Howard Weil 40th Annual Energy Conference

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.


	CLOUD PEAK ENERGY INC.

Date: March 26, 2012	By:	/s/ Amy J. Stefonick
	Name:	Amy J. Stefonick
	Title:	Corporate Secretary


	CLOUD PEAK ENERGY RESOURCES LLC

Date: March 26, 2012	By:	/s/ Amy J. Stefonick
	Name:	Amy J. Stefonick
	Title:	Corporate Secretary

EXHIBIT INDEX

Exhibit No.		Description

99.1		Furnished Slides from the Howard Weil 40th Annual Energy Conference

Cloud Peak Energy Resources LLC 8-K