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Jan-24Cavity Production EstimateNatural Soda LLCProduction 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 = 4,074Jan-245,913.6tons1,406 1,212 937 665 388 112 16 68 120 172 224 275 311 80 05,914To Date410,420tons55,628 50,906 43,009 35,185 27,196 19,290 18,690 24,649 30,614 36,017 39,300 16,428 13,160 3480 0410,420tons/foot 82.4 tons/foot178.7 163.5 138.2 113.0 87.4 62.0 60.0 79.2 98.3 115.7 126.2 52.8 42.3 1.10.0 0.0% of target46.6%% of Permit80.9% 74.0% 62.5% 51.1% 39.5% 28.0% 27.2% 35.8% 44.5% 52.4% 57.1% 23.9% 19.1% 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 ≈ 3,586Jan-247,788.8tons1,659.3 1,446.7 1,130.8 815.0 499.1 178.9 25.9 136.0 254.4 372.8 491.2 607.9 170.80.0 0.0 0.07,789To Date344,327tons37,874 35,017 29,847 24,677 19,509 14,250 13,482 21,111 29,100 37,087 42,497 31,184 8,6900 0 0344,327tons/foot 69.4 tons/foot122.2 113.0 96.3 79.6 62.9 46.0 43.5 68.1 93.9 119.7 137.1 100.6 28.00.0 0.0 0.0% of target 39.3% % of Permit57.5% 53.2% 45.3% 37.5% 29.6% 21.6% 20.5% 32.0% 44.2% 56.3% 64.5% 47.3% 13.2%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 4,812< <---17H-IR-E Well17H-1V Well = 1,877 < <17H-I Liner End ≈ 3,208↓RLR17H-R(I) Well >>>> >>> >>> >>> >> >>↑<< << << << <17H-IR-E Liner INJ Point ≈ 3,647Jan-244,843.0tons677.8 587.7 456.4 325.0 193.2 61.2 42.2 189.8 339.3 491.1 642.0 769.7 67.60.0 0.0 0.04,843To Date224,534tons16,922 17,080 16,329 15,579 14,822 14,050 15,664 20,464 25,301 30,168 24,226 12,823 1,1050 0 0224,534tons/foot 46.7 tons/foot56.3 56.8 54.3 51.8 49.3 46.7 52.1 68.0 84.1 100.3 80.5 42.6 3.70.0 0.0 0.0% of target 26.4% % of Permit25.5% 25.7% 24.6% 23.4% 22.3% 21.1% 23.6% 30.8% 38.1% 45.4% 36.4% 19.3% 1.7%0.0% 0.0% 0.0%Total Month Production 21,557.2 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: 01/01 to 01/31(15H-R(I) & 15H-IR-E) to 1V01/01--01/31 On15H-I Well P&A AUG 202301/01--01/31 On94.0 / 92.0Flow Direction: 01/01 to 01/31(16H-I & 16H-IR-E) to 1VFlow Direction: 01/01 to 01/3116H-I liner parted ~1,984' MD GL16H-R(I) Well P&A SEPT 202298.0 / 92.017H-R(I) to 17H-1V17H-IR-E to 17H-1V01/01--01/31 On17H-I Well P&A AUG 2023Orange cells denote subseuqent extensions to original mining interval99.0 / 91.0
<br />Daub & Associates, Inc.
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<br />Page 44 of 81
<br />Natural Soda LLC
<br />2024 1st Quarter EPA ReportCONFIDENTIAL
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