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Oct-23Cavity Production EstimateNatural SodaProduction from Cavities 12H, 13H, 15H, 16H, and 17HCONFIDENTIALCAVITY 15Hinterval1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16target tonsfrom0 311 623 934 1,245 1,557 1,868 2,179 2,490 2,802 3,113 3,424 3,736 4,047 4,358 4,670880,595to311 623 934 1,245 1,557 1,868 2,179 2,490 2,802 3,113 3,424 3,736 4,047 4,358 4,670 4,981<<< < < <--15H-IR-E Well15H-1V Well = 1,881< <15H-I Well Liner End ≈ 3,169 ↓↓ 15H-IR-E Well Liner End ≈ 3,514RLR15H-R(I) Well >>>> >>> >>> >>> >> >> ↑ << << <<< <<<15H-IR-E Pull Back 2021 = 4,074Oct-235,282.0tons1,192 1,027 795 564 329 95 17 73 128 185 240 295 334 80 05,282To Date393,132tons51,638 47,468 40,349 33,298 26,095 18,972 18,637 24,428 30,224 35,455 38,571 15,529 12,145 3230 0393,132tons/foot 78.9 tons/foot165.9 152.5 129.6 107.0 83.8 60.9 59.9 78.5 97.1 113.9 123.9 49.9 39.0 1.00.0 0.0% of target44.6%% of Permit75.1% 69.0% 58.7% 48.4% 37.9% 27.6% 27.1% 35.5% 43.9% 51.5% 56.1% 22.6% 17.7% 0.5% 0.0% 0.0%CAVITY 16Hinterval1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16target tonsfrom0 298 596 894 1,192 1,490 1,788 2,086 2,385 2,683 2,981 3,279 3,577 3,875 4,173 4,471876,751to298 596 894 1,192 1,490 1,788 2,086 2,385 2,683 2,981 3,279 3,577 3,875 4,173 4,471 4,76916H-I Well >> >> >> >> >> > > >> >> >>> >>> >> << <---16H-IR-E Well16H-1V Well = 1,734 < 16H-I Liner End ≈ 3,242 ↓↓↓↓RLR↑< << << <<< <<< <<16H-IR-E Liner End ≈ 3,586Oct-236,688.0tons1,106.6 964.8 754.2 543.7 333.1 119.7 34.4 189.3 354.3 519.3 684.2846.8 238.00.0 0.0 0.06,688To Date322,478tons33,270 31,003 26,710 22,416 18,124 13,754 13,408 20,719 28,365 36,010 41,077 29,427 8,1960 0 0322,478tons/foot 65.0 tons/foot107.3 100.0 86.2 72.3 58.5 44.4 43.3 66.8 91.5 116.2 132.5 94.9 26.40.0 0.0 0.0% of target 36.8% % of Permit48.6% 45.3% 39.0% 32.7% 26.5% 20.1% 19.6% 30.2% 41.4% 52.6% 60.0% 43.0% 12.0%0.0% 0.0% 0.0%CAVITY 17Hinterval1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16target tonsfrom0 301 602 902 1,203 1,504 1,805 2,105 2,406 2,707 3,008 3,308 3,6093,910 4,211 4,511850,801to301 602 902 1,203 1,504 1,805 2,105 2,406 2,707 3,008 3,308 3,609 3,910 4,211 4,511 4,812< <---17H-IR-E Well17H-1V Well = 1,877 < <17H-I Liner End ≈ 3,208↓RLR17H-R(I) Well > > > > > >↑<< << << << <17H-IR-E Liner INJ Point ≈ 3,647Oct-235,068.0tons780.9 677.2 525.8 374.5 222.7 70.5 40.3 180.5 322.6 466.8 610.1 731.4 64.20.0 0.0 0.05,068To Date209,729tons14,659 15,117 14,806 14,494 14,177 13,846 15,546 19,933 24,351 28,792 22,427 10,666 9160 0 0209,729tons/foot 43.6 tons/foot48.7 50.3 49.2 48.2 47.1 46.0 51.7 66.3 81.0 95.7 74.6 35.5 3.00.0 0.0 0.0% of target 24.7% % of Permit22.1% 22.7% 22.3% 21.8% 21.3% 20.8% 23.4% 30.0% 36.6% 43.3% 33.7% 16.0% 1.4%0.0% 0.0% 0.0%Total Month Production 20,838.0 Tons(Allocated tons are calculated from the assayed tons on the Efficiency Report) Mining Fluid Flow Direction Key: ( - ) = No Flow/No Mining ( >>>>> ) = INJ to REC Flow & Mining ( > ) = INJ to REC Flow & No to Minimal MiningFlow Direction: 10/01 to 10/31(15H-R(I) & 15H-IR-E) to 1V10/01--10/22, 10/24--10/31 On98.0 / 101.0Flow Direction: 10/01 to 10/31(16H-I & 16H-IR-E) to 1V10/01-10/31 On 16H-I liner parted ~1,984' MD GL17H-IR-E to 17H-1V10/01--10/22, 10/24--10/31 On98.0 / 101.0Flow Direction: 10/01 to 10/31Orange cells denote subseuqent extensions to original mining interval15H-I Well P&A AUG 202316H-R(I) Well P&A SEPT 202217H-I Well P&A AUG 202398.0 / 88.017H-R(I) to 17H-1VCONFIDENTIAL
<br />Daub & Associates, Inc.
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<br />Page 48 of 125
<br />Natural Soda LLC
<br />2023 4th Quarter EPA Report
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