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C'/-'go 0 0 7
<br />M4.37'4-
<br />Calculation of West Elk Mine Excess Bond
<br />Prepared: 5/11/2011
<br />T. Kaldenbach
<br /> Figures shown on DRMS decision forms Calculation of actual liability
<br /> Future
<br /> increments Change in Future increments Actual liability Excess bond after
<br /> Prior liability Change in Revised liability Bond held not yet due, future not yet due, after (upon approval of approval of current
<br /> liability prior to increments
<br />current revision
<br />current revision)
<br />revision
<br /> current not yet due
<br /> revision
<br />Current
<br />A
<br />B
<br />A+B
<br />D
<br />E
<br />F
<br />E + F
<br />(A + B) - (E + F)
<br />D - (A + B) - (E + F)
<br />revision no.
<br />Balance
<br />forward as of
<br />10110108: $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 $450,262
<br />TR-114 $15,515,110 $5,564 $15,520,674 $14,500,000 $1,465,372 $0 $1,465,372 $14,055,302 $444,698
<br />MR-350 $15,520,674 $0 $15,520,674 $14,500,000 $1,465,372 $0 $1,465,372 $14,055,302 $444,698
<br />MR-351 $15,520,674 $0 $15,520,674 $14,500,000 $1,465,372 $0 $1,465,372 $14,055,302 $444,698
<br />MR-352 $15,520,674 $14,725 $15,535,399 $14,500,000 $1,465,372 -$18,781 $1,446,591 $14,088,808 $411,192
<br />MR-353 $15,535,399 $30,870 $15,566,269 $14,500,000 $1,446,591 $0 $1,446,591 $14,119,678 $380,322
<br />TR-116 $15,566,269 -$132,805 $15,433,464 $14,500,000 $1,446,591 $0 $1,446,591 $13,986,873 $513,127
<br />MR-354 $15,433,464 $8,820 $15,442,284 $14,500,000 $1,446,591 $0 $1,446,591 $13,995,693 $504,307
<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 $2,103,736
<br />MR-355 $13,842,855 $4,173 $13,847,028 $14,500,000 $1,446,591 $0 $1,446,591 $12,400,437 $2,099,563
<br />MR-356 $13,847,028 $239 $13,847,267 $14,500,000 $1,446,591 $0 $1,446,591 $12,400,676 $2,099,324
<br />TR-118 $13,847,267 $441,251 $14,288,518 $14,500,000 $1,446,591 $0 $1,446,591 $12,841,927 $1,658,073
<br />TR-119 $14,288,518 $38,401 $14,326,919 $14,500,000 $1,446,591 $0 $1,446,591 $12,880,328 $1,619,672
<br />MR-357 $14,326,919 $208,078 $14,534,997 $14,500,000 $1,446,591 $0 $1,446,591 $13,088,406 $1,411,594
<br />MR-358 $14,534,997 $12,839 $14,547,836 $14,500,000 $1,446,591 $0 $1,446,591 $13,101,245 $1,398,755
<br />MR-361 $14,547,836 $30,095 $14,577,931 $14,500,000 $1,446,591 -$30,095 $1,416,496 $13,161,435 $1,338,565
<br />MR-362 $14,577,931 $9,454 $14,587,385 $14,500,000 $1,416,496 $0 $1,416,496 $13,170,889 $1,329,111
<br />MR-363 $14,587,385 $0 $14,587,385 $14,500,000 $1,416,496 $0 $1,416,496 $13,170,889 $1,329,111
<br />TR-120 $14,587,385 $594,978 $15,182,363 $14,500,000 $1,416,496 $0 $1,416,496 $13,765,867 $734,133
<br />MR-365 $15,182,363 $0 $15,182,363 $14,500,000 $1,416,496 $0 $1,416,496 $13,765,867 $734,133
<br />TR-121 $15,182,363 $63,279 $15,245,642 $14,500,000 $1,416,496 -$348,484 $1,068,012 $14,177,630 $322,370
<br />MR-370 $15,245,642 $1,178 $15,246,820 $14,500,000 $1,068,012 $0 $1,068,012 $14,178,808 $321,192
<br />MR-371 $15,246,820 $1,891 $15,248,711 $14,500,000 $1,068,012 $0 $1,068,012 $14,180,699 $319,301
<br />MR-372 $15,248,711 $0 $15,248,711 $14,500,000 $1,068,012 $0 $1,068,012 $14,180,699 $319,301
<br />MR-369 $15,248,711 $0 $15,248,711 $14,500,000 $1,068,012 $0 $1,068,012 $14,180,699 $319,301
<br />TR-123 $15,248,711 $4,307 $15,253,018 $14,500,000 $1,068,012 -$175,778 $892,234 $14,360,784 $139,216
<br />MR-374 $15,253,018 $32,686 $15,285,704 $15,000,000 $892,234 $0 $892,234 $14,393,470 $606,530
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