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Calculation of West Elk Mine excess bond
<br />Updated: 3/15/2006
<br />Amount of bond on deposit: $11,500,000
<br /> Cost Total
<br />Revision estimate reclamation Excess bond
<br /> liability
<br />Balance forward as of 11/2/05 $11,392,532 $107,468
<br />MR-323 $10,302 $11,402,834 $97,166
<br />MR-324 $17,394 $11,420,228 $79,772
<br />MR-326 $22,965 $11,443,193 $56,807
<br />MR-325 $3,347 $11,446,540 $53,460
<br />MR-327 $5,242 $11,451,782 $48,218
<br />MR-328 $23,080 $11,474,862 $25,138
<br />MR-329 $947 $11,475,809 $24,191
<br />MR-330 $10,279 $11,486,088 $13,912
<br />MR-331 $0 $11,486,088 $13,912
<br />MR-332 $4,680 $11,490,768 $9,232 (borehole)
<br />TR-103 $12,821 $11,503,589 -$3,589 (4 MDWs)
<br />TR-106 $1,774 $11,505,363 -$5,363 (Corrals staging area)
<br />TR-105 $19,242 $11,524,605 -$24,605
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