By offering both metallurgical and steam coal, our coal reserves are marketable to a diverse customer base, thereby enabling our lessees to adjust to changing markets and sustain sales volumes and prices. By having reserves in different geographic areas with various types of coal reserves, our lessees are able to serve a broad number of markets and take advantage of changing customer preferences.

Reserves*		Tons (in thousands)		%
Underground		1,662,057		86%
Surface		264,867		14%
Total		1,926,924
Low Sulfur Reserves		56%
Metallurgical Reserves		24%
Other Information
Typical BTU per pound		13,181
# Leases		204
# Lessees		70
Partial Lessee List
• Arch Coal
• Massey Energy
• CONSOL Energy
• Alpha Natural Resources