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Mar-24Natural Soda LLCCavity Production EstimateProduction 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 = 4,074Mar-246,391.3tons1,381.1 1,190.1 920.9 653.3 381.6 110.7 23.8 99.5 175.7 252.9 328.5 404.8 457.1 11.30.0 0.06,391To Date422,772.0tons58,424 53,315 44,873 36,507 27,968 19,514 18,730 24,817 30,912 36,444 39,856 17,113 13,933 3670 0422,772tons/foot 84.9 tons/foot187.7 171.3 144.1 117.3 89.8 62.7 60.2 79.7 99.3 117.1 128.0 55.0 44.8 1.20.0 0.0% of target48.0%% of Permit84.9% 77.5% 65.2% 53.1% 40.7% 28.4% 27.2% 36.1% 44.9% 53.0% 57.9% 24.9% 20.3% 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 ≈ 3,586Mar-248,413.0tons1,558.3 1,358.8 1,062.3 765.9 469.5 169.0 37.2 200.3 374.4 548.6 722.8 894.5 251.40.0 0.0 0.08,413To Date358,820.0tons40,718 37,496 31,786 26,075 20,365 14,558 13,540 21,420 29,677 37,933 43,612 32,563 9,0780 0 0358,820tons/foot 72.4 tons/foot131.4 121.0 102.6 84.1 65.7 47.0 43.7 69.1 95.8 122.4 140.7 105.1 29.30.0 0.0 0.0% of target 40.9% % of Permit61.8% 56.9% 48.3% 39.6% 30.9% 22.1% 20.6% 32.5% 45.1% 57.6% 66.2% 49.4% 13.8%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 ≈ 3,647Mar-244,469.2tons555.1 481.4 373.9 266.3 158.5 50.4 43.1 193.1 345.0 499.2 652.4 782.1 68.70.0 0.0 0.04,469To Date233,211.0tons18,036 18,046 17,080 16,114 15,140 14,151 15,746 20,830 25,954 31,113 25,462 14,304 1,2350 0 0233,211tons/foot 48.5 tons/foot60.0 60.0 56.8 53.6 50.3 47.0 52.4 69.3 86.3 103.4 84.7 47.6 4.10.0 0.0 0.0% of target 27.4% % of Permit27.1% 27.2% 25.7% 24.2% 22.8% 21.3% 23.7% 31.3% 39.0% 46.8% 38.3% 21.5% 1.9%0.0% 0.0% 0.0%22,118.1 TonsTotal Month Production (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 interval17H-I Well P&A AUG 202394.0 / 87.003/01--03/31 On16H-I liner parted ~1,984' MD GL16H-R(I) Well P&A SEPT 202292.0 / 91.0Flow Direction: 03/01 to 03/31(17H-R(I) & 17H-IR-E) to 17H-1V(16H-I & 16H-IR-E) to 16H-1V03/01--03/31 OnFlow Direction: 03/01 to 03/3115H-I Well P&A AUG 202391.0 / 91.003/01--03/31 OnFlow Direction: 03/01 to 03/31(15H-R(I) & 15H-IR-E) to 15H-1V
<br />Daub & Associates, Inc.
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<br />Page 48 of 81
<br />Natural Soda LLC
<br />2024 1st Quarter EPA ReportCONFIDENTIAL
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