CHINA MINERAL RESOURCES1,2
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| PROJECT | RESOURCE CATEGORY | TONNES
(MILLION) |
AVERAGE GRADES |
CONTAINED METAL RESOURCES (INCLUSIVE OF RESERVES) |
|||||||
| SILVER (g/t) | GOLD (g/t) | LEAD (%) | ZINC
(%) |
SILVER
(Moz) |
GOLD (Koz) | AgEq3
(Moz) |
LEAD
(Kt) |
ZINC
(Kt) |
|||
| YING MINING DISTRICT | Measured | 20.94 | 164 | 0.15 | 2.62 | 0.78 | 110 | 99 | 119 | 548 | 162 |
| Indicated | 21.24 | 128 | 0.19 | 1.87 | 0.57 | 87 | 132 | 99 | 396 | 122 | |
| Measured + Indicated | 42.18 | 146 | 0.17 | 2.24 | 0.67 | 198 | 231 | 218 | 944 | 284 | |
| Inferred | 13.55 | 120 | 0.33 | 1.84 | 0.58 | 52 | 142 | 65 | 249 | 78 | |
| GC MINE | Measured | 8.97 | 66 | - | 1.01 | 2.44 | 19 | - | 19 | 91 | 219 |
| Indicated | 9.30 | 64 | - | 0.82 | 2.04 | 19 | - | 19 | 76 | 190 | |
| Measured + Indicated | 18.28 | 65 | - | 0.91 | 2.24 | 38 | - | 38 | 167 | 408 | |
| Inferred | 7.36 | 75 | - | 0.84 | 1.91 | 18 | - | 18 | 62 | 140 | |
| BYP MINE (Au AREA) |
Measured | 3.30 | - | 2.7 | - | - | - | 294 | 25 | - | - |
| Indicated | 1.80 | - | 2.8 | - | - | - | 162 | 14 | - | - | |
| Measured + Indicated | 5.10 | - | 2.8 | - | - | - | 456 | 39 | - | - | |
| Inferred | 1.60 | - | 2.2 | - | - | - | 116 | 10 | - | - | |
| BYP MINE (Pb-Zn AREA) |
Indicated | 3.80 | - | - | 0.6 | 2.3 | - | - | - | 25 | 87 |
| Inferred | 2.80 | - | - | 0.7 | 2.5 | - | - | - | 19 | 71 | |
| CONSOLIDATED4 | MEASURED | 33.21 | 135 | 0.50 | 2.14 | 1.28 | 129 | 393 | 163 | 639 | 381 |
| INDICATED | 36.14 | 109 | 0.39 | 1.45 | 1.16 | 107 | 294 | 132 | 497 | 399 | |
| MEASURED AND INDICATED | 69.36 | 121 | 0.45 | 1.77 | 1.21 | 236 | 687 | 295 | 1136 | 779 | |
| INFERRED | 25.31 | 104 | 0.53 | 1.39 | 1.22 | 70 | 258 | 92 | 330 | 289 | |
- Mineral Resources Estimate for Ying Mining District effective Dec 31, 2025; Mineral Resources Estimate for GC Mine effective Dec 31, 2025; Mineral Resources Estimate for BYP Mine as of June 30, 2024.
- Totals may not add up due to rounding.
- Silver equivalent (AgEq) includes gold converted to AgEq at a rate of 86.364:1.
- Consolidated average grades reflect those assets that produce the metal.
- For further details please refer to a) Ying’s National Instrument 43-101 Mineral Resource Technical Report with the effective dated of May 18, 2026, b) Silvercorp news release dated June 23, 2026, and titled Silvercorp Reports Updated Mineral Reserves and Resources at the GC Mine, and c) BYP’s National Instrument 43-101 Mineral Resource Technical Report dated June 30, 2024.
CHINA MINERAL RESERVES 1,2
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| PROJECT | RESERVE CATEGORY | TONNES (MILLION) | AVERAGE GRADES | CONTAINED METAL RESOURCES | |||||||
| SILVER (g/t) | GOLD (g/t) | LEAD (%) | ZINC
(%) |
SILVER (Moz) | GOLD (Koz) | AgEq3
(Moz) |
LEAD
(Kt) |
ZINC
(Kt) |
|||
| YING MINING DISTRICT | Proven | 10.41 | 179 | 0.15 | 2.71 | 0.87 | 60 | 51 | 64 | 282 | 90 |
| Probable | 8.66 | 167 | 0.20 | 2.19 | 0.71 | 47 | 56 | 51 | 190 | 62 | |
| Proven + Probable | 19.08 | 174 | 0.17 | 2.47 | 0.80 | 107 | 107 | 116 | 472 | 152 | |
| GC MINE | Proven | 3.57 | 59 | - | 0.96 | 2.27 | 7 | - | 7 | 34 | 81 |
| Probable | 2.62 | 67 | - | 0.84 | 2.17 | 6 | - | 6 | 22 | 57 | |
| Proven + Probable | 6.19 | 63 | - | 0.91 | 2.23 | 12 | - | 12 | 56 | 138 | |
| CONSOLIDATED4 | PROVEN | 13.98 | 148 | 0.15 | 2.26 | 1.23 | 67 | 51 | 71 | 316 | 171 |
| PROBABLE | 11.28 | 144 | 0.20 | 1.88 | 1.05 | 52 | 56 | 57 | 212 | 119 | |
| TOTAL | 25.27 | 146 | 0.17 | 2.09 | 1.15 | 119 | 107 | 128 | 528 | 290 | |
-
- Mineral Reserves Estimate for Ying Mining District effective Dec 31, 2025; Mineral Reserves Estimate for GC Mine effective Dec 31, 2025.
- Totals may not add up due to rounding.
- Silver equivalent (AgEq) includes gold converted to AgEq at a rate of 86.364:1.
- Consolidated average grades reflect those assets that produce the metal.
- For further details please refer to a) Ying’s National Instrument 43-101 Mineral Resource Technical Report with the effective dated of May 18, 2026, b) Silvercorp news release dated June 23, 2026, and titled Silvercorp Reports Updated Mineral Reserves and Resources at the GC Mine
EL DOMO RESOURCE & RESERVES
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El Domo Open Pit
| Category | Tonnes
(Mt) |
Grade | Contained Metal | ||||||||
| Cu (%) |
Pb (%) |
Zn (%) |
Au (g/t) |
Ag (g/t) |
Cu (kt) |
Pb (kt) |
Zn (kt) |
Au (koz) |
Ag (koz) |
||
| Proven | 2.7 | 2.60% | 0.26% | 2.63% | 3.33 | 48 | 69.3 | 7.0 | 70.2 | 285 | 4,153 |
| Probable | 4.5 | 1.53% | 0.26% | 2.63% | 2.08 | 47 | 68.4 | 11.4 | 117.5 | 299 | 6,807 |
| P&P | 7.1 | 1.93% | 0.26% | 2.63% | 2.55 | 48 | 137.7 | 18.4 | 187.7 | 584 | 10,960 |
| Measured | 3.6 | 2.67% | 0.3% | 2.59% | 3.09 | 47 | 97.3 | 9.0 | 94.2 | 362 | 5,473 |
| Indicated | 7.5 | 1.42% | 0.2% | 2.36% | 1.66 | 40 | 105.5 | 15.8 | 176.2 | 397 | 9,504 |
| M&I | 11.1 | 1.83% | 0.2% | 2.44% | 2.13 | 42 | 202.8 | 24.8 | 270.4 | 759 | 14,978 |
| Inferred | 3.5 | 0.48% | 0.1% | 1.00% | 0.72 | 22 | 16.7 | 4.3 | 34.7 | 80 | 2,472 |
El Domo Underground
| Category | Tonnes
(Mt) |
Grade | Contained Metal | ||||||||
| Cu
(%) |
Pb
(%) |
Zn
(%) |
Au
(g/t) |
Ag
(g/t) |
Cu
(kt) |
Pb
(kt) |
Zn
(kt) |
Au
(koz) |
Ag
(koz) |
||
| Indicated | 0.3 | 2.73% | 0.12% | 1.72% | 1.58 | 31 | 8.8 | 0.4 | 5.5 | 16 | 321 |
| Inferred | 0.4 | 0.25% | 0.20% | 0.67% | 1.53 | 89 | 0.9 | 0.7 | 2.5 | 18 | 1,051 |
CONDOR RESOURCE
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Condor Underground Constrained Resource
| Deposit | Tonnes
(Mt) |
Average Grade | Contained Metal | ||||||||
| AuEq
(g/t) |
Au
(g/t) |
Ag
(g/t) |
Pb
(%) |
Zn
(%) |
AuEq
(Moz) |
Au
(Moz) |
Ag
(Moz) |
Pb
(Mlb) |
Zn
(Mlb) |
||
| Camp | 5.93 | 2.46 | 1.94 | 15.51 | 0.06 | 0.61 | 0.47 | 0.37 | 3 | 8 | 80 |
| Los Cuyes | 4.22 | 2.07 | 1.84 | 11.06 | 0.05 | 0.36 | 0.28 | 0.25 | 2 | 4 | 33 |
| Total Indicated | 10.15 | 2.30 | 1.90 | 13.66 | 0.05 | 0.50 | 0.75 | 0.62 | 4 | 12 | 113 |
| Camp | 20.04 | 2.42 | 1.87 | 14.83 | 0.05 | 0.68 | 1.56 | 1.20 | 10 | 23 | 299 |
| Los Cuyes | 10.06 | 2.63 | 2.37 | 13.26 | 0.07 | 0.36 | 0.85 | 0.77 | 4 | 15 | 81 |
| Total Inferred | 30.10 | 2.49 | 2.03 | 14.31 | 0.06 | 0.57 | 2.41 | 1.97 | 14 | 38 | 380 |
Condor Open Pit Constrained Resource
| Deposit | Tonnes
(Mt) |
Average Grade | Contained Metal | ||||||||
| AuEq
(g/t) |
Au
(g/t) |
Ag
(g/t) |
Pb
(%) |
Zn
(%) |
AuEq
(Moz) |
Au
(Moz) |
Ag
(Moz) |
Pb
(Mlb) |
Zn
(Mlb) |
||
| Soledad | 4.63 | 1.06 | 0.98 | 6.86 | 0.05 | 0.54 | 0.16 | 0.15 | 1.02 | 5 | 55 |
| Enma | 0.02 | 1.20 | 1.12 | 6.73 | 0.04 | 0.34 | 0.00 | 0.00 | 0.01 | 0.02 | 0.18 |
| Total Indicated | 4.65 | 1.06 | 0.98 | 6.86 | 0.05 | 0.54 | 0.16 | 0.15 | 1.03 | 5 | 56 |
| Soledad | 19.99 | 0.73 | 0.66 | 5.97 | 0.04 | 0.46 | 0.47 | 0.42 | 3.84 | 17 | 203 |
| Enma | 0.01 | 0.95 | 0.86 | 7.82 | 0.04 | 0.28 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 |
| Total Inferred | 20.00 | 0.73 | 0.66 | 5.97 | 0.04 | 0.46 | 0.47 | 0.42 | 3.84 | 17 | 203 |
KYRGYZSTAN MINERAL RESOURCES ESTIMATE
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Tulkubash Mineral Resource Estimate in Pit Constrained
| Tulkubash 2025 In-house MRE (COG Au 0.21g/t) 40/80M | |||||
| Category | Tonnes (Mt) | Au Grade (g/t) | Ag Grade (g/t) | Contained Au (koz) | Contained Ag (koz) |
| Measured | 7.35 | 1.61 | 1.38 | 380.5 | 327.0 |
| Indicated | 1.28 | 1.99 | 1.45 | 81.7 | 59.6 |
| Total M+I | 8.63 | 1.67 | 1.39 | 462.2 | 386.6 |
- The effective date of the resource is October 2025.
- The qualified person (as defined in NI 43-101) for the purposes of the MRE is Lei Xue, P. Geo., Resource Geologist for the Company.
- Grade estimation completed via Inverse Distance Weight method, within block model with a parent block size of 10 m x 10 m x 10 m and minimal sub-blocking of 1m.
- Mineral Resources are constrained by Resource shell defined as per $1,800/oz price, applied variable recovery estimations and a cut-off grade 0.21 g/t Au.
- The Mineral Resources are not Mineral Reserves and do not demonstrate economic viability.
- Numbers may not sum due to rounding.
Kyzyltash Mineral Resource Estimate
| Kyzyltash 2025 In-house MRE (COG AU 1.0g/t) 40/80m | |||||
| Category | Tonnes (Mt) | Au Grade (g/t) | Ag Grade (g/t) | Contained Au (Koz) | Contained Ag (Koz) |
| Measured | 3.27 | 2.58 | 7.94 | 271.2 | 836.0 |
| Indicated | 47.04 | 2.43 | 8.96 | 3,670.7 | 13,548.8 |
| Total M+I | 50.31 | 2.44 | 8.89 | 3,941.9 | 14,384.8 |
| Inferred | 21.36 | 2.30 | 8.66 | 1,576.8 | 5,947.9 |
- The effective date of the reported Resource is October 2025.
- The qualified person (as defined in NI 43-101) for the purposes of the MRE is Lei Xue, P. Geo., Resource Geologist for the Company.
- Grade estimation completed via Inverse Distance Weight method, within block model with a parent block size of 10 m x 10 m x 10 m and minimal sub-blocking of 1m.
- Applied cutoff grade of 1.0 g/t Au.
- The Mineral Resources are not Mineral Reserves and do not demonstrate economic viability.
- Numbers may not sum due to rounding.
Last updated June 2026