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Silvercorp Intersects Vein LM5 With 0.91 Metres True Width Grading 6,455 Grams Per Tonne Silver and 10 Grams Per Tonne Gold at the LME Mine, Ying Mining District, China

·16 min read

Trading Symbol
TSX: SVM
NYSE American: SVM

VANCOUVER, British Columbia, June 22, 2021 /CNW/ - Silvercorp Metals Inc. ("Silvercorp" or the "Company") (TSX: SVM) (NYSE American: SVM) is pleased to report results from its 2021 exploration programs at the LME mine. Extensive exploration drilling and tunneling are ongoing at the LME mine, and all other mines at the Ying Mining District, Henan Province, China.

Silvercorp Metals Inc. Logo (CNW Group/Silvercorp Metals Inc)
Silvercorp Metals Inc. Logo (CNW Group/Silvercorp Metals Inc)

From October 1, 2020 to May 31, 2021, 17,752 metres ("m") from a total of 113 diamond drill holes, including 98 underground holes and 15 surface holes, were completed at the LME mine. Assay results for 102 holes have been received, with 52 holes intercepting mineralization. Currently, seven rigs are drilling at the LME mine.

Drilling Intersects High-Grade Veins in and outside the Resource Areas

The diamond drilling programs at the LME mine targeted blocks of known silver-lead-zinc veins in the resource areas that were previously missed due to limited drilling or tunneling, changes in the strikes and dips, and/or pinch-swelling of the pay-zones in the veins. Since access tunnels are already in place, any discovered high-grade blocks can quickly be converted to reserves and mined.

The high-grade intercepts for this period are associated with parallel veins LM5, LM5E, LM5E1, LM5E2, M5W, and LM5W2. Other veins include LM4W, LM4W2, LM6 and its parallel veins LM6E, LM6E2, LM6W and LM6W1.

Step-out drilling at the LME mine also hit high-grade silver-lead-zinc mineralization, including veins LM61 and LM66 to the south and vein ML18E to the north. Hole ZKG20AT1704 confirmed that the north-south striking vein T17E at the TLP mine extended southward to the area between the TLP and LME mines. These discoveries confirm the potential of high-grade silver-lead mineralization extending beyond the defined resource area of the LME mine.

Highlights of high-grade intercepts of vein LM5, LM6 and their parallel veins at the LME mine:

  • Hole ZKL5202SC intersected a 0.92 m interval (0.91 m true width) of vein LM5 grading 6,455 grams per tonne ("g/t") silver ("Ag"), 5.28% lead ("Pb"), 1.19% zinc ("Zn"), 10.00 g/t gold ("Au"), and 0.29% copper ("Cu") at the 498 m elevation;

  • Hole ZKL51LM4E204 intersected a 0.76 m interval (0.68 m true width) of vein LM5E grading 1,538 g/t Ag, 5.65% Pb, 1.89% Zn, 0.73 g/t Au, and 0.38% Cu at the 573 m elevation;

  • Hole ZKL53LM4E208 intersected a 0.71 m interval (0.65 m true width) of vein LM5W2 grading 1,902 g/t Ag, 1.48% Pb, 0.32% Zn, 0.01 g/t Au, and 0.48% Cu at the 633 m elevation;

  • Hole ZKL5801SC intersected a 0.94 m interval (0.53 m true width) of vein LM6E2 grading 3,014 g/t Ag, 5.51% Pb, 0.39% Zn, 0.20 g/t Au, and 0.11% Cu at the 502 m elevation;

  • Hole ZKL53LM602 intersected a 0.65 m interval (0.64 m true width) of vein LM6W grading 1,596 g/t Ag, 2.06% Pb, 0.63% Zn, 0.05 g/t Au, and 0.27% Cu at the 680 m elevation; and

  • Hole ZKLDB1712 intersected a 1.14 m interval (1.08 m true width) of vein LM61 grading 13.70 g/t Au, 19 g/t Ag, 0.51% Pb, 0.08% Zn, and 0.01% Cu at the 681 m elevation.

In-fill Drilling of Sub-Horizontal Gold Zone LM4E2

During this period, 22 out of the 44 holes targeting the sub-horizontal gold structures of LM4E2 intersected gold mineralization (Table 1).

  • Hole ZKL55LM4E203 intersected a 1.16 m interval (0.93 m true width) of vein LM4E2 grading 5.43 g/t Au and 70 g/t Ag at the 581 m elevation.

Table 1: Selected intercepts from the 2021 drill programs at the LME Mine

Hole ID

From
(m)

To
(m)

Elevation
(m)

Interval
(m)

True Width
(m)

Ag
(g/t)

Pb
(%)

Zn
(%)

Au
(g/t)

Cu
( %)

Vein

Ore Type

ZKG20AT1704

91.46

92.16

872

0.70

0.66

389

1.29

1.41

0.05

0.04

T17E

Ag-Pb

ZKL51ALM4E201

23.28

24.03

593

0.75

0.46

5

5.41

0.24

0.10

0.02

LM4W

Ag-Pb

ZKL51ALM4E202

35.07

36.32

620

1.25

0.88

490

0.94

0.59

0.01

0.06

LM6

Ag-Pb

ZKL51ALM4E204

23.19

23.75

638

0.56

0.52

326

0.74

0.21

0.01

0.10

LM6

Ag-Pb

ZKL51ALM4E204

112.87

113.61

581

0.74

0.68

2,148

5.84

2.48

0.38

0.51

LM4E2

Au

ZKL51ALM4E205

19.31

19.83

641

0.52

0.50

635

2.51

0.90

0.03

0.28

LM6W1

Ag-Pb

ZKL51BLM4E201

24.50

25.13

640

0.63

0.51

123

0.28

0.15

0.01

0.09

LM6

Ag-Pb

ZKL51LM4E202

32.06

33.26

626

1.20

0.75

290

0.85

0.32

0.01

0.07

LM6

Ag-Pb

ZKL51LM4E203

23.74

28.83

634

5.09

1.01

104

0.75

0.18

0.01

0.05

LM6

Ag-Pb

ZKL51LM4E204

99.51

102.96

586

3.45

1.02

772

1.84

0.93

0.03

0.24

LM5

Ag-Pb

ZKL51LM4E204

121.16

121.92

573

0.76

0.68

1,538

5.65

1.89

0.73

0.38

LM5E

Ag-Pb

ZKL5201SC

26.42

27.09

489

0.67

0.56

199

0.84

0.29

0.04

0.03

LM5

Ag-Pb

ZKL5201SC

54.73

55.79

475

1.06

0.49

215

1.47

0.39

0.31

0.03

LM5E

Ag-Pb

ZKL5202SC

21.50

22.42

498

0.92

0.91

6,455

5.28

1.19

10.00

0.29

LM5

Ag-Pb

ZKL5202SC

52.83

54.05

489

1.22

1.20

395

0.56

0.04

0.04

0.08

LM5E

Ag-Pb

ZKL5202SC

63.30

63.92

487

0.62

0.92

345

1.30

0.10

0.05

0.04

LM9

Ag-Pb

ZKL5202Y

184.44

185.37

889

0.93

0.72

247

0.37

1.76

0.01

0.04

LM18E1

Ag-Pb

ZKL5203SC

29.80

31.04

475

1.24

0.98

149

0.28

0.09

0.39

0.03

[1]

Ag-Pb

ZKL5204SC

23.36

23.94

485

0.58

0.50

837

3.17

0.14

0.76

0.03

LM5W

Ag-Pb

ZKL52LM6W01

22.76

23.32

541

0.56

0.30

200

0.48

2.05

0.03

0.06

LM6W1

Ag-Pb

ZKL53ALM4E201

62.51

63.60

544

1.09

0.47

14

0.21

0.18

2.13

0.04

LM4E2

Au

ZKL53ALM4E202

72.92

74.02

542

1.10

0.95

14

0.22

0.21

1.22

0.01

LM4E2

Au

ZKL53ALM4E202

79.18

79.79

537

0.61

0.53

1

0.03

0.01

2.66

0.01

LM4

Ag-Pb

ZKL53ALM4E202

281.67

283.34

370

1.67

0.52

204

0.64

0.36

0.46

0.03

LM5

Ag-Pb

ZKL53ALM4E202

314.97

316.25

343

1.28

0.79

138

0.02

0.03

0.01

0.01

LM5E

Ag-Pb

ZKL53ALM4E203

163.55

164.51

510

0.96

0.77

104

0.27

0.46

0.01

0.16

LM5W2

Ag-Pb

ZKL53ALM4E204

89.14

90.64

561

1.50

1.18

26

0.75

0.21

3.23

0.03

LM4E2

Au

ZKL53ALM4E204

157.88

159.62

529

1.74

0.79

177

3.33

2.25

0.06

0.05

LM5W

Ag-Pb

ZKL53ALM4E205

54.15

55.52

565

1.37

1.05

3

0.04

0.02

2.30

0.01

LM4E2

Au

ZKL53ALM4E207

82.72

83.55

571

0.83

0.65

2

0.04

0.00

2.50

0.01

LM4E2

Au

ZKL53LM4E202

97.77

99.08

544

1.31

0.98

12

0.16

0.05

1.40

0.03

LM4E2

Au

ZKL53LM4E202

132.69

134.22

523

1.53

1.14

2

0.02

0.01

1.62

0.01

LM6

Ag-Pb

ZKL53LM4E208

29.52

30.23

633

0.71

0.65

1,902

1.48

0.32

0.01

0.48

LM5W2

Ag-Pb

ZKL53LM602

23.73

24.84

696

1.11

1.09

341

0.16

0.13

0.05

0.35

LM4W

Ag-Pb

ZKL53LM602

41.6

44.04

690

2.44

2.39

118

0.73

0.31

0.05

0.02

LM4

Ag-Pb

ZKL53LM602

73.36

74.01

680

0.65

0.64

1,596

2.06

0.63

0.05

0.27

LM6W

Ag-Pb

ZKL53LM603

64.54

65.38

645

0.84

0.74

718

0.41

0.43

0.00

0.10

LM4

Ag-Pb

ZKL53LM603

108.98

110.56

604

1.58

1.38

432

0.92

0.38

0.00

0.04

LM6W

Ag-Pb

ZKL53LM603

179.78

180.31

540

0.53

0.47

165

0.23

0.06

0.03

0.01

LM5W2

Ag-Pb

ZKL5403SC

4.12

8.19

499

4.07

2.90

280

0.45

0.23

0.28

0.02

LM6E2

Ag-Pb

ZKL5403SC

129.98

130.76

388

0.78

0.56

696

6.53

0.97

0.00

0.28

LM5E2

Ag-Pb

including

7.59

8.19

496

0.60

0.47

1,238

2.04

0.82

1.24

0.06

LM6E2

Ag-Pb

ZKL5404SC

44.52

45.39

477

0.87

0.76

239

0.24

0.11

0.05

0.02

LM5W

Ag-Pb

ZKL54ALM6W01

2.95

3.38

552

0.43

0.30

454

1.44

0.14

0.15

0.05

LM6

Ag-Pb

ZKL54ALM6W01

38.78

40.26

541

1.48

0.53

256

0.14

0.16

0.06

0.07

LM6W

Ag-Pb

ZKL54ALM6W01

129.54

130.08

511

0.54

0.39

29

0.08

0.05

1.59

0.01

LM4W2

Ag-Pb

ZKL55ALM4E203

38.41

39.04

570

0.63

0.45

186

1.40

0.20

0.83

0.52

LM4E2

Au

ZKL55ALM4E204

28.84

29.73

583

0.89

0.78

65

0.47

0.48

1.41

0.03

LM6W

Ag-Pb

ZKL55ALM4E204

33.78

35.77

579

1.99

0.88

9

0.16

0.12

1.73

0.01

LM6

Ag-Pb

ZKL55ALM4E204

50.26

51.65

568

1.39

1.22

154

0.83

0.63

0.24

0.03

LM6E

Ag-Pb

ZKL55ALM4E205

27.18

29.25

591

2.07

0.83

24

0.18

0.12

1.17

0.02

LM4E2

Au

ZKL55ALM4E205

50.88

51.42

581

0.54

0.43

828

0.53

0.23

0.04

0.06

LM6E

Ag-Pb

ZKL55ALM4E207

76.91

77.88

593

0.97

0.58

108

0.32

0.25

1.28

0.02

LM4E2

Au

ZKL55LM4E201

65.09

69.39

559

4.30

1.03

14

0.34

0.19

2.05

0.02

LM4E2

Au

ZKL55LM4E202

84.70

85.92

565

1.22

1.00

27

0.67

0.21

1.98

0.02

LM4E2

Au

ZKL55LM4E203

26.44

27.60

581

1.16

0.93

70

0.57

0.26

5.43

0.02

LM4E2

Au

ZKL55LM4E203

78.30

79.10

539

0.80

0.63

2

0.35

0.00

1.51

0.01

LM5W2

Ag-Pb

ZKL55LM4E204

47.45

48.49

578

1.04

0.98

16

0.09

0.27

2.22

0.01

LM4E2

Au

ZKL5601Y

297.12

298.02

811

0.90

0.83

177

1.56

0.48

0.04

0.01

LM3_1

Ag-Pb

ZKL5602Y

126.54

127.73

897

1.19

1.00

103

4.17

0.60

0.05

0.06

LM18E1

Ag-Pb

ZKL5602Y

152.39

153.64

893

1.25

1.05

37

3.74

0.39

0.05

0.05

LM2_1

Ag-Pb

ZKL57LM4E201

65.15

66.23

554

1.08

0.83

5

0.25

0.03

2.00

0.03

LM4E2

Au

ZKL57LM4E204

46.03

47.56

585

1.53

0.91

14

0.30

0.36

1.20

0.02

LM4E2

Au

ZKL57LM4E206

75.18

80.32

594

5.14

0.61

321

1.91

0.89

0.16

0.04

LM4E2

Au

ZKL57LM601

89.62

90.96

807

1.34

1.32

311

0.73

0.31

0.05

0.05

LM6

Ag-Pb

ZKL57LM601

120.89

123.60

794

2.71

2.67

143

2.42

0.08

0.05

0.02

LM5

Ag-Pb

ZKL5801SC

4.9

5.84

502

0.94

0.53

3,014

5.51

0.39

0.20

0.11

LM6E2

Ag-Pb

ZKL5802SC

5.53

6.5

500

0.97

0.81

328

0.32

0.10

0.05

0.05

LM6E2

Ag-Pb

ZKL58ALM6E201

129.67

130.52

522

0.85

0.79

210

0.22

0.25

0.10

0.04

LM6E2

Ag-Pb

ZKL58ALM6E201

190.78

192.56

484

1.78

1.64

88

1.40

0.46

0.07

0.06

LM5E1

Ag-Pb

ZKL61B01

80.70

81.55

590

0.85

0.31

38

0.10

0.23

1.59

0.01

LM4E2

Au

ZKL61E02

33.61

34.98

625

1.37

1.36

85

1.54

0.39

2.16

0.04

LM4E2

Au

ZKL63ALM4E205

41.74

43.29

634

1.55

0.71

149

1.45

0.96

4.23

0.60

LM5

Ag-Pb

ZKL63ALM4E205

76.36

78.66

618

2.30

0.54

60

0.70

0.14

0.91

0.01

LM4E2

Au

ZKL63LM4E206

39.03

40.11

633

1.08

0.74

2

0.04

0.02

1.95

0.01

LM4E2

Au

ZKL64Y09

49.20

49.74

806

0.54

0.47

18

3.35

0.19

0.05

0.01

LM2_2

Ag-Pb

ZKL64Y10

36.31

36.81

826

0.50

0.43

19

3.30

0.15

0.01

0.01

LM2E

Ag-Pb

ZKL64Y11

31.34

31.83

830

0.49

0.40

13

4.46

0.08

0.01

0.01

LM2E

Ag-Pb

ZKL68Y01

107.42

107.92

726

0.50

0.38

392

2.31

0.21

0.03

0.02

LM6

Ag-Pb

ZKLDB1712

238.15

239.29

681

1.14

1.08

19

0.51

0.08

13.70

0.01

LM61

Au

ZKLDB51LM4E202

0.89

2.00

902

1.11

1.10

156

0.12

0.06

0.01

0.09

LM66

Ag-Pb

ZKLDB56ALM4W01

264.50

265.30

952

0.80

0.79

397

0.58

0.12

0.10

0.04

LM4W

Ag-Pb

ZKLDB57ALM503

380.87

382.80

691

1.93

1.81

2

0.01

0.01

2.01

0.01

LM4E2

Au

[1] No vein id assigned

Quality Control

Drill cores are NQ size. Drill core samples, limited by apparent mineralization contacts or shear/alteration contacts, were split into halves by saw cutting. The half cores are stored in the Company's core shacks for future reference and checks, and the other half core samples are shipped in securely sealed bags to the Chengde Huakan 514 Geology and Minerals Test and Research Institute in Chengde, Hebei Province, China, 226 km northeast of Beijing, the Zhengzhou Nonferrous Exploration Institute Lab in Zhengzhou, Henan Province, China, and the Analytical Lab of the Inner Mongolia Geological Exploration Bureau in Hohhot, Inner Mongolia, China. All the three labs are ISO9000 certified analytical labs. For analysis, the sample is dried and crushed to minus 1 mm and then split to a 200-300 g subsample which is further pulverized to minus 200 mesh. Two subsamples are prepared from the pulverized sample. One is digested with aqua regia for gold analysis with atomic absorption spectroscopy ("AAS"), and the other is digested with two-acids for analysis of silver, lead, zinc and copper with AAS.

Channel samples are collected along sample lines perpendicular to the mineralized vein structure in exploration tunnels. Spacing between sampling lines is typically 5 m along strike. Both the mineralized vein and the altered wall rocks are cut by continuous chisel chipping. Sample length ranges from 0.2 m to more than 1 m, depending on the width of the mineralized vein and the mineralization type. Channel samples are prepared and assayed with AAS at Silvercorp's mine laboratory (Ying Lab) located at the mill complex in Luoning County, Henan Province, China. The Ying lab is officially accredited by the Quality and Technology Monitoring Bureau of Henan Province and is qualified to provide analytical services. The channel samples are dried, crushed and pulverized. A 200 g sample of minus 160 mesh is prepared for assay. A duplicate sample of minus 1 mm is made and kept in the laboratory archives. Gold is analysed by fire assay with AAS finish, and silver, lead, zinc and copper are assayed by two-acid digestion with AAS finish.

A routine quality assurance/quality control ("QA/QC") procedure is adopted to monitor the analytical quality at each lab. Certified reference materials ("CRMs"), pulp duplicates and blanks are inserted into each batch of lab samples. QA/QC data at the lab are attached to the assay certificates for each batch of samples.

The Company maintains its own comprehensive QA/QC program to ensure best practices in sample preparation and analysis of the exploration samples. Project geologists regularly insert CRM, field duplicates and blanks to each batch of 30 core samples to monitor the sample preparation and analysis procedures at the labs. The analytical quality of the labs is further evaluated with external checks by sending approximately 3-5% of the pulp samples to higher level labs to check for lab bias. Data from both the Company's and the labs' QA/QC programs are reviewed on a timely basis by project geologists.

Guoliang Ma, P. Geo., Manager of Exploration and Resource of the Company, is the Qualified Person for Silvercorp under NI 43-101 and has reviewed and given consent to the technical information contained in this news release.

About Silvercorp

Silvercorp is a profitable Canadian mining company producing silver, lead and zinc metals in concentrates from mines in China. The Company's goal is to continuously create healthy returns to shareholders through efficient management, organic growth and the acquisition of profitable projects. Silvercorp balances profitability, social and environmental relationships, employees' wellbeing, and sustainable development. For more information, please visit our website at www.silvercorp.ca.

For further information

Lon Shaver
Vice President
Silvercorp Metals Inc.

Phone: (604) 669-9397
Toll Free: 1(888) 224-1881
Email: investor@silvercorp.ca
Website: www.silvercorpmetals.com

CAUTIONARY DISCLAIMER - FORWARD LOOKING STATEMENTS

Certain of the statements and information in this press release constitute "forward-looking statements" within the meaning of the United States Private Securities Litigation Reform Act of 1995 and "forward-looking information" within the meaning of applicable Canadian provincial securities laws. Any statements or information that express or involve discussions with respect to predictions, expectations, beliefs, plans, projections, objectives, assumptions or future events or performance (often, but not always, using words or phrases such as "expects", "is expected", "anticipates", "believes", "plans", "projects", "estimates", "assumes", "intends", "strategies", "targets", "goals", "forecasts", "objectives", "budgets", "schedules", "potential" or variations thereof or stating that certain actions, events or results "may", "could", "would", "might" or "will" be taken, occur or be achieved, or the negative of any of these terms and similar expressions) are not statements of historical fact and may be forward-looking statements or information. Forward-looking statements or information relate to, among other things: the price of silver and other metals; the accuracy of mineral resource and mineral reserve estimates at the Company's material properties; the sufficiency of the Company's capital to finance the Company's operations; estimates of the Company's revenues and capital expenditures; estimated production from the Company's mines in the Ying Mining District; timing of receipt of permits and regulatory approvals; availability of funds from production to finance the Company's operations; and access to and availability of funding for future construction, use of proceeds from any financing and development of the Company's properties.

Forward-looking statements or information are subject to a variety of known and unknown risks, uncertainties and other factors that could cause actual events or results to differ from those reflected in the forward-looking statements or information, including, without limitation, risks relating to: social and economic impacts of COVID-19; fluctuating commodity prices; calculation of resources, reserves and mineralization and precious and base metal recovery; interpretations and assumptions of mineral resource and mineral reserve estimates; exploration and development programs; feasibility and engineering reports; permits and licenses; title to properties; property interests; joint venture partners; acquisition of commercially mineable mineral rights; financing; recent market events and conditions; economic factors affecting the Company; timing, estimated amount, capital and operating expenditures and economic returns of future production; integration of future acquisitions into the Company's existing operations; competition; operations and political conditions; regulatory environment in China and Canada; environmental risks; foreign exchange rate fluctuations; insurance; risks and hazards of mining operations; key personnel; conflicts of interest; dependence on management; internal control over financial reporting as per the requirements of the Sarbanes-Oxley Act; and bringing actions and enforcing judgments under U.S. securities laws.

This list is not exhaustive of the factors that may affect any of the Company's forward-looking statements or information. Forward-looking statements or information are statements about the future and are inherently uncertain, and actual achievements of the Company or other future events or conditions may differ materially from those reflected in the forward-looking statements or information due to a variety of risks, uncertainties and other factors, including, without limitation, those referred to in the Company's Annual Information Form for the year ended March 31, 2020 under the heading "Risk Factors". Although the Company has attempted to identify important factors that could cause actual results to differ materially, there may be other factors that cause results not to be as anticipated, estimated, described or intended. Accordingly, readers should not place undue reliance on forward-looking statements or information.

The Company's forward-looking statements and information are based on the assumptions, beliefs, expectations and opinions of management as of the date of this press release, and other than as required by applicable securities laws, the Company does not assume any obligation to update forward-looking statements and information if circumstances or management's assumptions, beliefs, expectations or opinions should change, or changes in any other events affecting such statements or information. For the reasons set forth above, investors should not place undue reliance on forward-looking statements and information.

CAUTIONARY NOTE TO US INVESTORS

The disclosure in this news release and referred to herein was prepared in accordance with NI 43-101 which differs significantly from the requirements of the U.S. Securities and Exchange Commission (the "SEC"). The terms "proven mineral reserve", "probable mineral reserve" and "mineral reserves" used in this news release are in reference to the mining terms defined in the Canadian Institute of Mining, Metallurgy and Petroleum Standards (the "CIM Definition Standards"), which definitions have been adopted by NI 43-101. Accordingly, information contained in this news release providing descriptions of our mineral deposits in accordance with NI 43-101 may not be comparable to similar information made public by other U.S. companies subject to the United States federal securities laws and the rules and regulations thereunder.

Investors are cautioned not to assume that any part or all of mineral resources will ever be converted into reserves. Pursuant to CIM Definition Standards, "Inferred mineral resources" are that part of a mineral resource for which quantity and grade or quality are estimated on the basis of limited geological evidence and sampling. Such geological evidence is sufficient to imply but not verify geological and grade or quality continuity. An inferred mineral resource has a lower level of confidence than that applying to an indicated mineral resource and must not be converted to a mineral reserve. However, it is reasonably expected that the majority of inferred mineral resources could be upgraded to indicated mineral resources with continued exploration. Under Canadian rules, estimates of inferred mineral resources may not form the basis of feasibility or pre-feasibility studies, except in rare cases. Investors are cautioned not to assume that all or any part of an inferred mineral resource is economically or legally mineable. Disclosure of "contained ounces" in a resource is permitted disclosure under Canadian regulations; however, the SEC normally only permits issuers to report mineralization that does not constitute "reserves" by SEC standards as in place tonnage and grade without reference to unit measures.

Canadian standards, including the CIM Definition Standards and NI 43-101, differ significantly from standards in the SEC Industry Guide 7. Effective February 25, 2019, the SEC adopted new mining disclosure rules under subpart 1300 of Regulation S-K of the United States Securities Act of 1933, as amended (the "SEC Modernization Rules"), with compliance required for the first fiscal year beginning on or after January 1, 2021. The SEC Modernization Rules replace the historical property disclosure requirements included in SEC Industry Guide 7. As a result of the adoption of the SEC Modernization Rules, the SEC now recognizes estimates of "Measured Mineral Resources", "Indicated Mineral Resources" and "Inferred Mineral Resources". In addition, the SEC has amended its definitions of "Proven Mineral Reserves" and "Probable Mineral Reserves" to be substantially similar to corresponding definitions under the CIM Definition Standards. During the period leading up to the compliance date of the SEC Modernization Rules, information regarding mineral resources or reserves contained or referenced in this news release may not be comparable to similar information made public by companies that report according to U.S. standards. While the SEC Modernization Rules are purported to be "substantially similar" to the CIM Definition Standards, readers are cautioned that there are differences between the SEC Modernization Rules and the CIM Definitions Standards. Accordingly, there is no assurance any mineral reserves or mineral resources that the Company may report as "proven mineral reserves", "probable mineral reserves", "measured mineral resources", "indicated mineral resources" and "inferred mineral resources" under NI 43-101 would be the same had the Company prepared the reserve or resource estimates under the standards adopted under the SEC Modernization Rules.

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SOURCE Silvercorp Metals Inc

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