Coal Reserves
| 43-101 PROPERTIES AS OF 12/31/2022 | |||||
| MNT (Moist, Recoverable Basis) | PROVEN | PROBABLE | TOTAL | PERMITTED | NOT PERMITTED |
|---|---|---|---|---|---|
| Surface-mineable | 1,271 | - | 1,271 | 1,271 | - |
| Highwall-mineable | 43 | - | 43 | 43 | - |
| Auger-minable | 200 | - | 200 | 200 | - |
| Underground-mineable | 32,934 | 9,789 | 42,723 | 18,419 | 24,304 |
| Total | 34,447 | 9,789 | 44,236 | 19,932 | 24,304 |
| Casselman (UG) | 2,326 | 310 | 2,636 | 2,636 | - |
| North (UG) | 3,356 | 1,186 | 4,543 | 2,817 | 1,726 |
| Acosta (UG) | - | - | |||
| Upper Kittanning | 7852 | 1,526 | 9,378 | - | 9,378 |
| Middle Kittanning | 3,752 | 986 | 4,738 | 4,738 | 1 |
| Lower Kittanning | 3,631 | 1,236 | 4,867 | - | 4,867 |
| Total Acosta (UG) | 15,235 | 3,749 | 18,984 | 4,738 | 14,246 |
| Horning (UG) | 1,594 | 236 | 1,829 | 1,829 | - |
| A-Seam (UG) | 5,589 | 810 | 6,400 | 6,400 | - |
| Keyser (UG) | 4,834 | 3,497 | 8,331 | - | 8,331 |
| All Other | 1,513 | 0 | 1,531 | 1,531 | 0 |
| Grand Total | 34,447 | 9,789 | 44,236 | 19,932 | 24,304 |
Coal Qualities
| WEIGHTED COMPOSITE (MOIST BASIS) AS OF 12/31/2022 | ||||||
| RESERVE AREA | SEAM | RECOVERY | ASH | SULFUR | BTU | VM |
| SURFACE-MINEABLE | ||||||
| Rhoads | Upper Kittanning | 94.44% | 0.0795 | 0.53% | 12,400 | 0.1874 |
| Rhoads | Middle Kittanning | 74.80% | 0.1376 | 1.56% | 12,200 | 15.39% |
| Rhoads | Lower Kittanning | 81.72% | 0.1119 | 2.08% | 12,700 | 15.88% |
| Schrock Run | Lower Freeport | 95.70% | 0.0661 | 0.68% | 13,300 | 16.64% |
| Schrock Run | Upper Kittanning | 90.90% | 0.099 | 1.50% | 12,900 | 17.21% |
| Shaffer | Lower Freeport | 95.60% | 0.0718 | 0.77% | 13,400 | 0.177 |
| Hamer-Byers | Upper Freeport | 83.24% | 0.1299 | 1.11% | - | 19.42% |
| Total | 88.00% | 10.30% | 1.10% | 12,800 | 17.30% | |
| AUGER-MINEABLE | ||||||
| Rhoads | Upper Kittanning | 94.40% | 7.95% | 0.53% | 12,400 | 18.74% |
| Rhoads | Middle Kittanning | 74.80% | 13.76% | 1.56% | 12,200 | 15.39% |
| Rhoads | Lower Kittanning | 81.72% | 11.19% | 2.08% | 12,700 | 15.88% |
| Hamer-Byers | Upper Freeport | 83.24% | 12.99% | 1.11% | 0 | 19.42% |
| Total | 82.09% | 11.80% | 1.45% | 12,400 | 16.84% | |
| HIGHWALL MINER | ||||||
| Schrock Run | Upper Kittanning | 90.90% | 9.90% | 1.50% | 12,900 | 17.21% |
| Total | 90.90% | 9.90% | 1.50% | 12,864 | 17.21% | |
| UNDERGROUND-MINEABLE | ||||||
| Casselman North | Upper Freeport | 80.18% | 8.60% | 1.10% | 0 | 20.50% |
| Casselman South | Upper Freeport | 81.70% | 7.60% | 1.10% | 14,600 | 20.50% |
| Acosta | Upper Kittanning | 78.60% | 9.80% | 1.80% | 14,100 | 21.40% |
| Acosta | Middle Kittanning | 63.20% | 12.30% | 1.30% | 13,700 | 16.80% |
| Acosta | Lower Kittanning | 65.30% | 11.00% | 2.00% | 13,900 | 18.80% |
| Horning | Lower Freeport | 75.00% | 0.098 | 1.30% | 14,100 | 0.181 |
| Keyser | Lower Kittanning | 74.10% | 7.30% | 1.50% | 14,600 | 18.90% |
| A Seam | Brookville | 55.50% | 11.20% | 0.80% | 13,700 | 18.90% |
| Total | 70.00% | 9.80% | 1.40% | 14,100 | 19.60% | |
| Grand Total | 70.50% | 9.80% | 1.40% | 14,100 | 19.60% | |