25,600,000 Shares CLOUD PEAK ENERGY INC. Common Stock, $0.01 par value UNDERWRITING AGREEMENTUnderwriting Agreement • December 21st, 2010 • Cloud Peak Energy Resources LLC • Bituminous coal & lignite surface mining • New York
Contract Type FiledDecember 21st, 2010 Company Industry Jurisdiction
• ] Shares CLOUD PEAK ENERGY INC. Common Stock, $0.01 par value UNDERWRITING AGREEMENTUnderwriting Agreement • December 13th, 2010 • Cloud Peak Energy Inc. • Bituminous coal & lignite surface mining • New York
Contract Type FiledDecember 13th, 2010 Company Industry Jurisdiction