Cloud Peak Energy Inc. Announces Results of 2013 Annual Meeting of Stockholders

  Cloud Peak Energy Inc. Announces Results of 2013 Annual Meeting of
  Stockholders

Business Wire

GILLETTE, Wyo. -- May 14, 2013

Following its annual meeting of stockholders today, Cloud Peak Energy Inc.
(NYSE: CLD), one of the largest U.S. coal producers and the only pure-play
Powder River Basin (PRB) coal company, announced that the company’s
stockholders have elected current directors Keith Bailey, Patrick Condon and
William Owens to its Board of Directors to serve until Cloud Peak Energy’s
2016 annual meeting.

Cloud Peak Energy also announced that its stockholders:

  *ratified the appointment of PricewaterhouseCoopers LLP as the company's
    independent registered public accounting firm for the 2013 fiscal year;
  *approved, on an advisory basis, the compensation of Cloud Peak Energy's
    named executive officers, as disclosed in its 2013 Proxy Statement; and
  *approved the Cloud Peak Energy 2013 Annual Incentive Plan.

Additional information about these proposals can be found in the company's
proxy statement for the annual meeting, which was mailed to stockholders and
filed with the U.S. Securities and Exchange Commission.

The voting results are based on the preliminary report of the company's
inspector of election. Final results will be included in the company's current
report on Form 8-K to be filed within four business days of the annual
meeting.

About Cloud Peak Energy^®

Cloud Peak Energy Inc. (NYSE:CLD) is headquartered in Wyoming and is one of
the largest U.S. coal producers and the only pure-play PRB coal company. As
one of the safest coal producers in the nation, Cloud Peak Energy specializes
in the production of low sulfur, subbituminous coal. The company owns and
operates three surface coal mines in the PRB, the lowest cost major coal
producing region in the nation. The Antelope and Cordero Rojo mines are
located in Wyoming and the Spring Creek mine is located near Decker, Montana.
Cloud Peak Energy also owns rights to substantial undeveloped coal and
complementary surface assets in the Northern PRB, further building the
company’s long-term position to serve Asian export and domestic customers.
With approximately 1,700 employees, the company is widely recognized for its
exemplary performance in its safety and environmental programs. Cloud Peak
Energy is a sustainable fuel supplier for approximately 4% of the nation’s
electricity.

Contact:

Cloud Peak Energy Inc.
Karla Kimrey, 720-566-2932
Vice President, Investor Relations