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Nov-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 = 4,074Nov-235,779.0tons1,312.1 1,130.5 874.7 620.4 362.2 104.7 18.6 77.9 137.7 198.2 257.5 317.3 358.3 8.90.0 0.05,779To Date398,910tons52,950 48,599 41,223 33,919 26,457 19,077 18,656 24,506 30,362 35,653 38,828 15,847 12,503 3310 0398,910tons/foot 80.1 tons/foot170.1 156.1 132.4 109.0 85.0 61.3 59.9 78.7 97.5 114.5 124.7 50.9 40.2 1.10.0 0.0% of target45.3%% of Permit77.0% 70.7% 59.9% 49.3% 38.5% 27.7% 27.1% 35.6% 44.1% 51.8% 56.4% 23.0% 18.2% 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 ≈ 3,586Nov-237,057.4tons1,513.9 1,319.9 1,031.8 743.6 455.5 163.4 22.9 120.7 226.0 331.2 436.5 540.2 151.80.0 0.0 0.07,057To Date329,535tons34,784 32,322 27,741 23,160 18,579 13,917 13,431 20,839 28,591 36,341 41,514 29,967 8,3480 0 0329,535tons/foot 66.5 tons/foot112.2 104.3 89.5 74.7 59.9 44.9 43.3 67.2 92.2 117.3 133.9 96.7 26.90.0 0.0 0.0% of target 37.6% % of Permit50.8% 47.2% 40.5% 33.8% 27.1% 20.3% 19.6% 30.4% 41.7% 53.1% 60.6% 43.8% 12.2%0.0% 0.0% 0.0%CAVITY 17Hinterval1 `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 ≈ 3,647Nov-234,931.7tons791.9 686.7 533.2 379.7 225.7 71.5 37.2 167.4 299.4 433.4 566.6 679.3 59.70.0 0.0 0.04,932To Date214,660tons15,451 15,804 15,339 14,874 14,403 13,917 15,583 20,100 24,650 29,225 22,994 11,345 9750 0 0214,660tons/foot 44.6 tons/foot51.4 52.5 51.0 49.5 47.9 46.3 51.8 66.8 82.0 97.2 76.5 37.7 3.20.0 0.0 0.0% of target 25.2% % of Permit23.2% 23.8% 23.1% 22.4% 21.7% 20.9% 23.4% 30.2% 37.1% 44.0% 34.6% 17.1% 1.5%0.0% 0.0% 0.0%Total Month Production 21,263.2 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: 11/01 to 11/30(15H-R(I) & 15H-IR-E) to 1V11/01--11/30 On15H-I Well P&A AUG 202311/01-11/30 On 94.0 / 94.0Flow Direction: 11/01 to 11/30(16H-I & 16H-IR-E) to 1VFlow Direction: 11/01 to 11/3016H-I liner parted ~1,984' MD GL16H-R(I) Well P&A SEPT 202297.0 / 96.017H-R(I) to 17H-1V17H-IR-E to 17H-1V11/01--11/30 On17H-I Well P&A AUG 2023Orange cells denote subseuqent extensions to original mining interval99.0 / 93.0CONFIDENTIAL
<br />Daub & Associates, Inc.
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<br />Page 50 of 125
<br />Natural Soda LLC
<br />2023 4th Quarter EPA Report
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