Gillette, WY, June 28, 2011 – On June 24, 2011, Cloud Peak Energy (NYSE:CLD), one of the largest U.S. coal producers and the only pure-play Powder River Basin (PRB) coal company, received a prestigious Good Neighbor Award from the Wyoming Department of Environmental Quality. The award was presented for outstanding achievement related to collaborative education outreach in reclamation, biodiversity and mining skills, and outreach and stewardship in several neighboring communities.  Examples of the education outreach include work with the U.S. Fish and Wildlife Service to provide a shrub establishment workshop, as well as museum and event interactive displays on mine land reclamation. Community outreach examples include participation and support in programs promoting economic development and community sustainability.  

Colin Marshall, President and CEO of Cloud Peak Energy, noted:  “Cloud Peak Energy greatly appreciates this award and its recognition of the value that we place on reclamation, public awareness about reclamation achievements and on the sustainability of our neighboring communities.”  

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 (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. With approximately 1,500 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 percent of the nation’s electricity.

SOURCE: Cloud Peak Energy Inc.