WEEKLY MINE PLAN PERIOD 22 - 28 February 2021 STM – HENGJAYA MINERALINDO WEATHER FORECAST Source : https://www.accuweather.com/en/id/tangofa/1668713/daily-weather-forecast/1668713 CALENDER TIME AND WORKING HOURS Description Hrs per Day Work Hour/day Day Daily Check (20'/day) Change Shift (30'/day) Rest (120'/day) Friday Pray (60'/week) Mechanical Availability/week Prepare front or disposal (hr/day) Rain/day Slippery/day Eff Working Hour 22-Feb-22 24.00 24.00 1.00 0.33 0.50 2.00 0.00 1.20 2.40 4.00 1.40 12.17 Date 23-Feb-22 24-Feb-22 25-Feb-22 26-Feb-22 27-Feb-22 28-Feb-22 24.00 24.00 24.00 24.00 24.00 24.00 24.00 24.00 24.00 24.00 12.00 24.00 1.00 1.00 1.00 1.00 0.50 1.00 0.33 0.33 0.33 0.33 0.17 0.33 0.50 0.50 0.50 0.50 0.25 0.50 2.00 2.00 2.00 2.00 1.00 2.00 0.00 0.00 1.00 0.00 0.00 0.00 1.20 1.20 1.20 1.20 0.60 1.20 2.40 2.40 2.40 2.40 1.20 2.40 4.00 4.00 4.00 4.00 2.00 4.00 1.40 1.40 1.40 1.40 0.70 1.40 12.17 12.17 11.17 12.17 6.08 12.17 W4 168.00 156.00 6.50 2.17 3.25 13.00 1.00 7.80 15.60 26.00 9.10 78.08 UNIT ALLOCATION Activity Equipment Type Quantity (Unit) Mining Equipment CW-02 Loading Selective Hauling Dozing Activity Hitachi ZX470LC-5G Hitachi ZX200H ADT BELL B45E/Volvo KOMATSU D85ESS 2 2 7 2 Equipment Type Quantity (Unit) Mining Equipment CW-03 Loading Loading Quarry Selective Hauling Dozing Activity Loading Loading Quarry Selective Hauling Dozing Hitachi ZX470LC-5G Hitachi ZX350H-5G Hitachi ZX200H ADT BELL B45E/Volvo KOMATSU D85ESS 2 1 1 6 2 Equipment Type Quantity (Unit) Mining Equipment BBE Hitachi ZX470LC-5G Hitachi ZX350H-5G Hitachi ZX200H ADT BELL B45E/Volvo KOMATSU D85ESS 1 1 1 3 1 MINE OPERATION – PIT BBE PRODUCTION BBE BY FLEET Min in g Pro d u ctio n b y L o ad er F le e t E X 161 (Z X 470-B 45E ) BCM W MT 22-F e b -22 23-F e b -22 24-F e b -22 25-F e b -22 26-F e b -22 27-F e b -22 28-F e b -22 2,190 2,190 2,190 2,010 2,190 1,095 2,190 2,190 2,190 2,190 2,010 2,190 1,095 2,190 3,723 3,723 3,723 3,417 3,723 1,862 3,723 T o tal 14,055 14,055 23,894 Min in g Pro d u ctio n b y Hau ler F le e t E X 161 x 3 AD T BCM W MT 22-F e b -22 23-F e b -22 24-F e b -22 25-F e b -22 26-F e b -22 27-F e b -22 28-F e b -22 2,373 2,373 2,373 2,178 2,373 1,186 2,373 2,373 2,373 2,373 2,178 2,373 1,186 2,373 4,033 4,033 4,033 3,702 4,033 2,017 4,033 T o tal 15,226 15,226 25,885 WEEKLY PLAN BBE BY BLOCK MODEL A’ A A B’ B B B’ A’ Material 495 - 492 492 - 489 Total OB 261 206 467 Ni 0.78 0.87 0.82 Fe 41.11 48.75 44.48 WST 243 8 251 Ni 0 0 0 Fe 11.33 0 10.97 SSO Ni Fe 232 232 1.38 1.38 16.84 16.84 LGL 1,020 412 1,432 Ni 1.21 1.24 1.22 Fe 49.58 46.03 48.56 MGL 591 614 1,205 Ni 1.36 1.38 1.37 Fe 44.74 47.18 45.98 HGL 205 245 450 Ni 1.58 1.70 1.65 Fe 34.34 34.21 34.27 LGSO 393 2,445 2,838 Ni 1.71 1.73 1.73 Fe 24.14 14.86 16.15 MGSO 1,737 2,556 4,293 Ni 1.91 1.90 1.90 Fe 18.23 15.45 16.57 HGSO 804 2,083 2,887 Ni 2.06 2.06 2.06 Fe 15.49 14.06 14.46 FACE POSITION BBE Area Ore Getting N RL +489 MINING PLAN BBE BY MATERIAL Date 22-Feb 23-Feb 24-Feb 25-Feb 26-Feb 27-Feb 28-Feb TOTAL VOLUME of WST OB SSO 389 273 127 85 38 38 950 VOLUME of HGL VOLUME of HGSO LGL MGL LGSO MGSO 901 226 92 375 704 253 525 3,075 900 1,691 2,098 1,508 1,401 805 1,628 10,030 TMM 2,190 2,190 2,190 2,010 2,190 1,095 2,190 14,055 Material Volume Ni Fe SR OB/WST Limonite Saprolite Total 950 3,075 10,030 14,055 0.00 1.35 1.91 0.00 45.24 15.95 0.24 Recovery Dilusi 85% 0.03 Material OB/WST Limonite Saprolite Volume 950 4,580 8,525 Ni 0.00 1.35 1.88 Fe 0.00 45.24 15.92 SR 0.38 Date 22-Feb-22 23-Feb-22 24-Feb-22 25-Feb-22 26-Feb-22 27-Feb-22 28-Feb-22 TOTAL Secondary Hauling BBE (Ton) 2,220 2,220 2,220 2,037 2,220 1,110 2,220 14,245 *based on plan monthly PIT BBE Ore Getting Saprolite Ore Volume Saprolite Ore Tonnage Volume 8,525 14493 Ni 1.88 1.88 Fe 15.92 15.92 Disposal Balance PIT BBE N Update topo 31 January 2022 Disposal Balance BBE Cap. Disposal MTD Actual Feb 2022 Plan W4 Remain Disposal 29,603 12,583 4,025 12,995 bcm bcm bcm bcm MINE OPERATION – PIT CW03 PRODUCTION CW-03 BY FLEET Mining Production by Loader Fleet 22-Feb-22 23-Feb-22 24-Feb-22 25-Feb-22 26-Feb-22 27-Feb-22 28-Feb-22 2,190 2,190 2,190 2,190 2,190 2,190 2,010 2,010 2,190 2,190 1,095 1,095 2,190 2,190 14,055 14,055 BCM 4,380 4,380 4,380 4,020 4,380 2,190 4,380 28,110 WMT 7,446 7,446 7,446 6,834 7,446 3,723 7,446 47,787 EX 139 (ZX470-B45E) EX 138 (ZX470-B45E) Total Mining Production by Hauler Fleet 22-Feb-22 23-Feb-22 24-Feb-22 25-Feb-22 26-Feb-22 27-Feb-22 28-Feb-22 2,373 2,373 2,373 2,373 2,373 2,373 2,178 2,178 2,373 2,373 1,186 1,186 2,373 2,373 15,226 15,226 BCM 4,745 4,745 4,745 4,355 4,745 2,373 4,745 30,453 WMT 8,067 8,067 8,067 7,404 8,067 4,033 8,067 51,769 EX160 x 3 ADT EX160 x 3 ADT Total WEEKLY PLAN CW-03 BY BLOCK MODEL A A’ B B’ B A A’ B’ Material 377 - 374 374 - 371 371 - 368 368 - 365 Total OB 268 1,510 4,101 4,386 10,265 Ni 0.99 1.01 0.97 0.96 0.97 Fe 44.53 43.16 39.91 41.52 41.20 WST 171 524 968 1,895 3,558 Ni -320.35 -261 -177 -81 -145.36 Fe -289.77 -229 -146 -59 -118.98 SSO Ni 0 0 122 1,739 1,861 Fe 0 0 1.38 1.35 1.35 0 0 27.54 21.42 21.82 LGL 0 1,058 4,178 3365 8,601 Ni 0 1.14 1.17 1.18 1.17 Fe 0 41.83 41.42 41.25 41.40 MGL Ni 0 0 568 1,269 1,837 Fe 0 0 1.34 1.36 1.35382 0 0 37.39 37.36 37.37 HGL 0 0 24 150 174 Ni Fe 0 0 0 0 1.6 31.31 1.59 31.68 1.59138 31.62897 LGSO 0 0 90 1660 1750 Ni 0 0 1.61 1.61 1.61 Fe 0 0 26.56 23.93 24.06526 MGSO 0 0 0 100 100 Ni 0 0 0 1.82 1.82 Fe 0 0 0 27.36 27.36 HGSO Ni Fe 0 0 0 FACE POSITION CW-03 N Limonite/OB RL 365 MINING PLAN CW-03 BY MATERIAL Date VOLUME of WST OB SSO VOLUME of VOLUME of HGSO HGL LGL MGL LGSO MGSO 22-Feb 23-Feb 24-Feb 25-Feb 26-Feb 27-Feb 28-Feb TOTAL 3,643 3,326 1,565 717 1,416 1,261 3,756 15,684 737 1,054 2,592 2,615 2,244 752 599 10,594 Material OB/WST Limonite Saprolite Total Volume 15,684 10,594 1,831 28,110 Recovery Dilusi 85% 0.05 Material OB/WST Limonite Saprolite Volume 15,684 10,869 1,557 TMM Date 0 0 224 687 720 176 24 1,831 4,380 4,380 4,380 4,020 4,380 2,190 4,380 28,110 22-Feb-22 23-Feb-22 24-Feb-22 25-Feb-22 26-Feb-22 27-Feb-22 28-Feb-22 TOTAL Ni 0.00 1.21 1.57 Fe 0.00 40.55 24.17 SR Ni 0.00 1.21 1.52 Fe 0.00 40.55 24.12 8.44 SR 10.03 Secondary Hauling CW-03 (Ton) 113 113 113 104 113 57 113 728 *based on plan monthly PIT CW-01 Ore Getting Volume Saprolite Ore Volume 1,557 Saprolite Ore Tonnage 2646 Ni 1.52 1.52 Fe 24.12 24.12 MINE OPERATION – PIT CW2 PRODUCTION CW2 BY FLEET Mining Production by Loader Fleet EX 139 (ZX470-B45E) EX157 (ZX470-B45E) BCM WMT 22-Feb-22 23-Feb-22 24-Feb-22 25-Feb-22 26-Feb-22 27-Feb-22 28-Feb-22 2,190 2,190 4,380 7,446 2,190 2,190 4,380 7,446 2,190 2,190 4,380 7,446 2,010 2,010 4,020 6,834 2,190 2,190 4,380 7,446 1,095 1,095 2,190 3,723 2,190 2,190 4,380 7,446 Total 14,055 14,055 28,110 47,787 Mining Production by Hauler Fleet 22-Feb-22 23-Feb-22 24-Feb-22 25-Feb-22 26-Feb-22 27-Feb-22 28-Feb-22 EX139 x 3 ADT EX157 x 3 ADT BCM WMT 2,373 2,373 4,745 8,067 2,373 2,373 4,745 8,067 2,373 2,373 4,745 8,067 2,178 2,178 4,355 7,404 2,373 2,373 4,745 8,067 1,186 1,186 2,373 4,033 2,373 2,373 4,745 8,067 Total 15,226 15,226 30,453 51,769 WEEKLY PLAN CW2 BY BLOCK MODEL A C A’ D’ A B’ B B’ D A’ B C’ C’ C Material 362 - 359 359 - 356 356 - 353 353 - 350 350 - 347 347 - 344 344 - 341 341 - 338 338 - 335 Total OB 1,597.00 1,121.00 2,718.00 Ni Fe 1.03 1.05 1.04 46.45 46.50 46.47 WST 724.00 603.00 10.00 17.00 151.00 274.00 2,257.00 1,469.00 5,505.00 Ni Fe - - SSO 156.00 231.00 15.00 24.00 4.00 343.00 133.00 512.00 937.00 2,355.00 Ni 1.46 1.45 1.48 1.45 1.36 1.40 1.35 1.37 1.37 1.39 Fe 16.06 15.70 12.25 13.51 16.23 13.66 10.47 10.14 9.44 11.39 LGL 2,578.00 4,051.00 42.00 24.00 6,695.00 Ni 1.17 1.19 1.23 1.28 1.18 Fe 45.54 46.71 52.24 51.42 46.31 D MGL 231.00 2,523.00 6.00 309.00 34.00 28.00 3,131.00 Ni 1.36 1.38 1.36 1.39 1.42 1.46 1.38 Fe 39.25 44.70 46.31 45.39 39.98 43.32 44.31 D’ HGL 1.00 524.00 2.00 147.00 46.00 720.00 Ni 1.56 1.61 1.52 1.54 1.51 1.52 1.59 Fe 39.42 35.58 38.89 38.57 46.06 44.13 36.75 LGSO 274.00 528.00 2.00 152.00 35.00 941.00 1,013.00 2,945.00 Ni 1.59 1.65 1.56 1.54 1.58 1.62 1.66 1.63 Fe 16.91 18.45 13.59 15.31 14.92 10.89 9.78 12.70 MGSO 1.00 170.00 1.00 467.00 910.00 1,549.00 Ni 1.83 1.90 1.93 1.89 1.92 1.91 Fe 14.63 16.61 10.98 10.57 10.33 11.09 HGSO Ni Fe 200.00 1.00 333.00 1,958.00 2,492.00 2.10 2.00 2.07 2.13 2.12 15.28 11.33 10.63 10.94 11.25 FACE POSITION CW2 Area Stripping and Ore Getting N RL +338 RL +335 RL +359 RL +356 MINING PLAN CW2 BY MATERIAL Date VOLUME of WST OB SSO 22-Feb 23-Feb 24-Feb 25-Feb 26-Feb 27-Feb 28-Feb TOTAL 3215 1541 343 636 1081 1047 2818 10,681 Material OB/WST Limonite Saprolite Total Volume 10,681 10,493 6,936 28,110 Recovery Dilusi 85% 0.05 Material OB/WST Limonite Saprolite Volume 10,681 11,534 5,896 VOLUME of HGL VOLUME of HGSO LGL MGL LGSO MGSO TMM Date 10,493 241 526 566 710 2189 1143 1562 6,936 4,380 4,380 4,380 4,020 4,380 2,190 4,380 28,110 22-Feb-22 23-Feb-22 24-Feb-22 25-Feb-22 26-Feb-22 27-Feb-22 28-Feb-22 TOTAL Ni 0.00 1.27 1.87 Fe 0.00 45.06 11.83 SR Ni 0.00 1.27 1.82 Fe 0.00 45.06 11.78 924 2313 3471 2674 1110 1.80 SR 2.22 Secondary Hauling CW-02 (Ton) 2,539 2,539 2,539 2,330 2,539 1,269 2,539 16,293 *based on plan monthly PIT CW2 Ore Getting Saprolite Ore Volume Saprolite Ore Tonnage Volume 5,896 10,023 Ni 1.82 1.82 Fe 11.78 11.78 Disposal Balance PIT CW Update topo 31 Januari 2022 N Dumping Point OB/WST Dumping Point LGL Disposal Balance CW Cap. Disposal MTD Actual Feb 2022 Plan W4 Remain Disposal 780,055 99,354 47,452 633,249 bcm bcm bcm bcm Disposal PIT CW Disposal LGL ( Lim Dump) Disposal OB Dumping Point LGL Dumping Point OB/WST HAULING ALL PIT AND BARGING PLAN Date VOLUME of WST OB SSO 22-Feb 23-Feb 24-Feb 25-Feb 26-Feb 27-Feb 28-Feb TOTAL 7,247 5,140 1,907 1,481 2,583 2,346 6,612 27,315 Date 22-Feb-22 23-Feb-22 24-Feb-22 25-Feb-22 26-Feb-22 27-Feb-22 28-Feb-22 TOTAL Secondary Hauling All PIT (Ton) 4,872 4,872 4,872 4,471 4,872 2,436 4,872 31,266 *Plan hauling 2 fleet; BBE and CW VOLUME of VOLUME of HGSO HGL LGL MGL LGSO MGSO 2,562 3,593 6,155 5,665 4,058 1,005 1,124 24,163 1,141 2,217 2,888 2,905 4,309 2,124 3,214 18,797 Date 22-Feb-22 23-Feb-22 24-Feb-22 25-Feb-22 26-Feb-22 27-Feb-22 28-Feb-22 TOTAL TMM 10,950 10,950 10,950 10,050 10,950 5,475 10,950 70,275 Barging (Ton) 8,782 8,782 8,782 8,061 8,782 4,391 8,782 56,364 *Include Hauling Raja (plan 21 barge) Ore Getting PIT CW Saprolite Ore (bcm) Saprolite Ore (wmt) Volume 7,452 12,669 Ni 1.76 1.76 Fe 14.36 14.36 Ore Getting PIT BBE Saprolite Ore (bcm) Saprolite Ore (wmt) Volume 8,525 14,493 Ni 1.88 1.88 Fe 15.92 15.92 Ore Getting All PIT Saprolite Ore (bcm) Saprolite Ore (wmt) Volume 15,978 27,162 Ni 1.82 1.82 Fe 15.19 15.19 *Recovery & Dilution Recovery Dilusi BBE Dilusi CW 85% -0.03 -0.05 Thank You PT SINAR TERANG MANDIRI