Jul-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 4,98115H-I Well----------<<< <<< <<< <--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 = 4,074Jul-235,968.2tons1,053 907 702 498 290 84 32 138 244 351 456 562 635 160 05,968To Date377,507tons48,300 44,593 38,124 31,720 25,174 18,706 18,578 24,178 29,782 34,817 37,742 14,508 10,991 2940 0377,507tons/foot 75.8 tons/foot155.2 143.2 122.5 101.9 80.9 60.1 59.7 77.7 95.7 111.8 121.2 46.6 35.3 0.90.0 0.0% of target42.9%% of Permit70.2% 64.8% 55.4% 46.1% 36.6% 27.2% 27.0% 35.1% 43.3% 50.6% 54.9% 21.1% 16.0% 0.4% 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 ↓↓↓↓RLR16H-R(I) Well-----↑< < << <<< <<<< <<<<16H-IR-E Liner End ≈ 3,586Jul-236,816.7tons665.9 580.6 453.8 327.1 200.3 71.8 52.2 297.9 558.3 818.7 1,079.1 1,335.7 375.30.0 0.0 0.06,817To Date304,193tons30,615 28,687 24,900 21,112 17,325 13,467 13,300 20,117 27,238 34,359 38,901 26,734 7,4400 0 0304,193tons/foot 61.3 tons/foot98.8 92.6 80.3 68.1 55.9 43.5 42.9 64.9 87.9 110.9 125.5 86.3 24.00.0 0.0 0.0% of target 34.7% % of Permit44.7% 41.9% 36.4% 30.8% 25.3% 19.7% 19.4% 29.4% 39.8% 50.2% 56.8% 39.0% 10.9%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 3,609 3,910 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 4,81217H-I Well-----------<<<<< <---17H-IR-E Well17H-1V Well = 1,877 < 17H-I Liner End ≈ 3,208↓↓↓↓RLR17H-R(I) Well >>>> >>>>> >>>> >>> >> >↑<< <<< <<<< <<<<< <<<<<17H-IR-E Liner INJ Point ≈ 3,647Jul-236,240.3tons877.3 760.7 590.7 420.6 250.0 79.1 53.7 243.3 435.4 630.3 824.2 988.2 86.80.0 0.0 0.06,240To Date186,952tons11,318 12,220 12,556 12,892 13,225 13,544 15,357 19,080 22,825 26,583 19,539 7,203 6110 0 0186,952tons/foot 38.8 tons/foot37.6 40.6 41.7 42.9 44.0 45.0 51.1 63.4 75.9 88.4 65.0 23.9 2.00.0 0.0 0.0% of target 22.0% % of Permit17.0% 18.4% 18.9% 19.4% 19.9% 20.4% 23.1% 28.7% 34.3% 40.0% 29.4% 10.8% 0.9%0.0% 0.0% 0.0%Total Month Production 23,072 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 MiningOrange cells denote subseuqent extensions to original mining interval100.0 / 96.017H-R(I) to 17H-1V17H-IR-E to 17H-1V07/01--07/31 On98.0 / 101.0Flow Direction: 07/01 to 07/3116H-I liner parted ~1,984' MD GLFlow Direction: 07/01 to 07/31(16H-I & 16H-IR-E) to 1V07/01--07/31 On98.0 / 101.0(15H-R(I) & 15H-IR-E) to 1V07/01--07/31 OnFlow Direction: 07/01 to 07/31CONFIEDNTIAL
<br />Daub & Associates, Inc.
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<br />Page 48 of 87
<br />Natural Soda LLC
<br />2023 3rd Quarter EPA Report
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