eSignal IPO Calendar

Week of Expected Pricing	Pending
Company Name	CARBON NATURAL GAS CO
Proposed Ticker	CRBO
CUSIP	N/A
Business Description	The Carbon Natural Gas Company, a Delaware corporation formed in 2007, is a growth-oriented, independent oil and natural gas company engaged in the acquisition, exploration, development and production of oil, natural gas and natural gas liquids properties in the United States
Lead Underwriter	RBC Capital Markets, LLC
Co-Managers	N/A
Initial Shares	N/A
Revised Initial Shares	N/A
Initial Price	N/A
Revised Price	N/A
Final Price	N/A
Final Ticker	N/A