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Calculation of West Elk Mine excess bond
<br />Figures shown on DRMS decision forms Calculation of actual liability
<br />Prepared: 5/12/2009
<br />T. Kaldenbach
<br />Prior liability Change in Revised liability Bond held
<br />liability
<br />Future
<br />increments Change in Future increments Actual liability
<br />not yet due, future not yet due, after (upon approval of
<br />prior to increments
<br />current revision
<br />current revision)
<br />current not yet due
<br />revision
<br />Excess bond after
<br />approval of current
<br />revision
<br />Current A B A+ B D
<br />revision no.
<br />Balance
<br />forward as of
<br />10/10/08: $14,049,738 $14,500,000
<br />PR-14 $14,049,738 $1,465,372 $15,515,110 $14,500,000
<br />TR-113 $15,515,110 $2,668 $15,517,778 $14,500,000
<br />TR-114 $15,517,778 $5,564 $15,523,342 $14,500,000
<br />MR-350 $15,523,342 $0 $15,523,342 $14,500,000
<br />MR-351 $15,523,342 $0 $15,523,342 $14,500,000
<br />MR-352 $15,523,342 $14,725 $15,538,067 $14,500,000
<br />MR-353 $15,538,067 $30,870 $15,568,937 $14,500,000
<br />E F E + F (A+B)-(E+F) D-(A+B)-(E+F)
<br />$0
<br />$0 $1,465,372 $1,465,372 $14,049,738 $450,262
<br />$1,465,372 $0 $1,465,372 $14,052,406 $447,594
<br />$1,465,372 $0 $1,465,372 $14,057,970 $442,030
<br />$1,465,372 $0 $1,465,372 $14,057,970 $442,030
<br />$1,465,372 $0 $1,465,372 $14,057,970 $442,030
<br />$1,465,372 -$18,781 $1,446,591 $14,091,476 $408,524
<br />$1,446,591 $0 $1,446,591 $14,122,346 $377,654
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