Cloud Peak Energy Inc. Announces Schedule for First Quarter 2015 Results

Cloud Peak Energy Inc. (NYSE:CLD), one of the largest U.S. coal producers and the only pure-play Powder River Basin (“PRBâ€) coal company, plans to announce its first quarter 2015 financial results on April 30, 2015, after the markets close.

A conference call with management is scheduled at 5:00 p.m. ET on April 30, 2015 to review the results and current business conditions. The call will be webcast live over the Internet from our website at www.cloudpeakenergy.com under “Investor Relationsâ€. Participants should follow the instructions provided on the website for downloading and installing the audio applications necessary to join the webcast. Interested individuals can also access the live conference call via telephone at (855) 793-3260 (domestic) or (631) 485-4929 (international) and entering pass code 17268438.

Following the live webcast, a replay will be available at the same URL on our website for seven days. A telephonic replay will also be available approximately two hours after the call and can be accessed by dialing (855) 859-2056 (domestic) or (404) 537-3406 (international) and entering pass code 17268438. The telephonic replay will be available for seven days.

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 Powder River Basin coal company. As one of the safest coal producers in the nation, Cloud Peak Energy mines low sulfur, subbituminous coal and provides logistics supply services. 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 in Montana. In 2014, Cloud Peak Energy shipped approximately 86 million tons from its three mines to customers located throughout the U.S. and around the world. Cloud Peak Energy also owns rights to substantial undeveloped coal and complimentary surface assets in the Northern PRB, further building the Company’s long-term position to serve Asian export and domestic customers. With approximately 1,600 total 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 four percent of the nation’s electricity.

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