2012-01-20_REVISION - X201123201 (2)

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New Elk Coal Company 1/19/2012 Reclamation Bond Estimate NOI -X- 2011- 232 -01 Amendment No. 3 Seat /na Expense Drill Pad Reclamation Hole Variables Pad Variables Number of Holes to be Sealed 16 Holes Length 100 Feet Miles of Road to be Reclaimed - Miles Width 100 Feet Rotary Hole Diameter 6.000 Inches Acres /Pad 0.23 Acres Rotary Footage 13,322 Feet Total Acres 3.67 Acres Cubic Foot of Hole per Sack of Cement 2 CF Regrading Equipment Hours per Pad includes Mud Pit Equipment Cost per Hour 4 $ 90.00 Hours Sealing Materials - Variables Cement per Sack $ 10.65 Plugs $ 176.88 Equipment Cost per Pad $ 360.00 Hole Markers $ 3.72 Total Regrading Cost $ 5,760.00 Sealing Materials - Volumes Reseeding Cement in Sacks 1,308 Each Seeding & Mulching Cost Per Acre $ 252.00 Plugs N/A Each Acres to Reseed 3.67 Hole Markers 16 Each Total Reseeding Cost $ 925.62 Rig Expense Rig Time to Pull Casing 2 Total Drill Pad Reclamation $ 6,685.62 Rig Time to Seal Hole 6 Hours Rig Time per hour Cost $ 152.20 Total Cost, Sealing Rig Cost $ 19,482 Water Cost Hours per Hole 8 Hours Cost per Hour for Water Truck and Driver $ 56.40 Total Water Cost $ 7,219.20 Sealing Materials - Expense Cement in Sacks $ 13,929.00 Plugs N/A Hole Markers $ 59.52 Total Cost Sealing Materials $ 13,988.52 Total Sealing Expense $ 40,689 Direct Reclamation Cost $ 47,375 Job Superintendent (75 hrs nn, $58.56) $ 4,392 Profit, Insurance, Bond 13.07% $ 6,192 Subtotal (contract amount) $ 57,959 Engineering aA4.25% $ 2,463 Reclamtion Management (aZ5% $ 2,898 Total Reclamation Cost $ 63,320 0.1307 0 0425 0.05