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Current
<br />revision no.
<br />Prior liability
<br />Figures shown on DRMS decision forms Calculation of actual liability
<br />Change in Revised liability
<br />liability
<br />Bond held
<br />A B A +B D
<br />Calculation of West Elk Mine Excess Bond
<br />Prepared: 07/07/11
<br />T. Kaldenbach
<br />Future
<br />increments Change in Future increments Actual liability Excess bond after
<br />not yet due, future not et due, after
<br />prior to increments y (upon approval of approval of current
<br />current not yet due current revision current revision) revision
<br />revision
<br />E F E +F (A +B) -(E +F) D- (A +B) -(E +F)
<br />Balance
<br />forward as of
<br />10/10/08: $14,049,738 $14,500,000 $0
<br />PR -14 $14,049,738 $1,465,372 $15,515,110 $14,500,000 $0 $1,465,372 $1,465,372 $14,049,738
<br />TR -114 $15,515,110 $5,564 $15,520,674 $14,500,000 $1,465,372 $0 $1,465,372 $14,055,302
<br />MR -350 $15,520,674 $0 $15,520,674 $14,500,000 $1,465,372 $0 $1,465,372 $14,055,302
<br />MR -351 $15,520,674 $0 $15,520,674 $14,500,000 $1,465,372 $0 $1,465,372 $14,055,302
<br />MR -352 $15,520,674 $14,725 $15,535,399 $14,500,000 $1,465,372 - 818,781 $1,446,591 $14,088,808
<br />MR -353 $15,535,399 $30,870 $15,566,269 $14,500,000 $1,446,591 $0 $1,446,591 $14,119,678
<br />TR -116 $15,566,269 - 8132,805 $15,433,464 $14,500,000 $1,446,591 $0 $1,446,591 $13,986,873
<br />MR -354 $15,433,464 $8,820 $15,442,284 $14,500,000 $1,446,591 $0 $1,446,591 $13,995,693
<br />TR -117 $15,442,284 - $1,599,429 $13,842,855 $14,500,000 $1,446,591 $0 $1,446,591 $12,396,264
<br />MR -355 $13,842,855 $4,173 $13,847,028 $14,500,000 $1,446,591 $0 $1,446,591 $12,400,437
<br />MR -356 $13,847,028 $239 $13,847,267 $14,500,000 $1,446,591 $0 $1,446,591 $12,400,676
<br />TR -118 $13,847,267 $441,251 $14,288,518 $14,500,000 $1,446,591 $0 $1,446,591 $12,841,927
<br />TR -119 $14,288,518 $38,401 $14,326,919 $14,500,000 $1,446,591 $0 $1,446,591 $12,880,328
<br />MR -357 $14,326,919 $208,078 $14,534,997 $14,500,000 $1,446,591 $0 $1,446,591 $13,088,406
<br />MR -358 $14,534,997 $12,839 $14,547,836 $14,500,000 $1,446,591 $0 $1,446,591 $13,101,245
<br />MR -361 $14,547,836 $30,095 $14,577,931 $14,500,000 $1,446,591 - 830,095 $1,416,496 $13,161,435
<br />MR -362 $14,577,931 $9,454 $14,587,385 $14,500,000 $1,416,496 $0 $1,416,496 $13,170,889
<br />MR -363 $14,587,385 $0 $14,587,385 $14,500,000 $1,416,496 $0 $1,416,496 $13,170,889
<br />TR -120 $14,587,385 $594,978 $15,182,363 $14,500,000 $1,416,496 $0 $1,416,496 $13,765,867
<br />MR -365 $15,182,363 $0 $15,182,363 $14,500,000 $1,416,496 $0 $1,416,496 $13,765,867
<br />TR -121 $15,182,363 $63,279 $15,245,642 $14,500,000 $1,416,496 - 8348,484 $1,068,012 $14,177,630
<br />MR -370 $15,245,642 $1,178 $15,246,820 $14,500,000 $1,068,012 $0 $1,068,012 814,178,808
<br />MR -371 $15,246,820 $1,891 $15,248,711 $14,500,000 $1,068,012 $0 $1,068,012 $14,180,699
<br />MR -372 $15,248,711 $0 $15,248,711 $14,500,000 $1,068,012 $0 $1,068,012 $14,180,699
<br />MR -369 $15,248,711 $0 $15,248,711 $14,500,000 $1,068,012 $0 $1,068,012 $14,180,699
<br />TR -123 $15,248,711 $4,307 $15,253,018 $14,500,000 $1,068,012 - 8175,778 $892,234 $14,360,784
<br />MR -374 $15,253,018 $32,686 $15,285,704 $15,000,000 $892,234 $0 $892,234 $14,393,470
<br />MR -375 $15,285,704 $2,625 $15,288,328 $15,000,000 $892,234 $0 $892,234 $14,396,094
<br />MR -376 $15,288,328 $1,058 $15,289,386 $15,000,000 $892,234 $0 $892,234 $14,397,152
<br />MR -377 $15,289,386 $6,321 $15,295,707 $15,000,000 $892,234 $0 $892,234 $14,403,473
<br />MR -378 $15,295,707 $4,259 $15,299,966 $15,000,000 $892,234 $0 $892,234 $14,407,732
<br />$450,262
<br />$444,698
<br />$444,698
<br />$444,698
<br />$411,192
<br />$380,322
<br />8513.127
<br />$504,307
<br />$2,103,736
<br />$2,099,563
<br />$2,099,324
<br />$1,658,073
<br />$1,619,672
<br />$1,411,594
<br />$1,398,755
<br />$1,338,565
<br />$1,329,111
<br />$1,329,111
<br />$734,133
<br />$734,133
<br />$322,370
<br />$321,192
<br />$319,301
<br />$319,301
<br />$319,301
<br />$139,216
<br />$606,530
<br />$603,906
<br />$602,848
<br />$596,527
<br />$592,268
<br />
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