Endeavour Silver Continues to Intersect High-Grade Mineralization at the Guanacevi Mine including 3.54 g/t Gold and 1,129 g/t Silver for 1,412 g/t Silver Equivalents over 7.28 meters

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Endeavour Silver Corporation
Endeavour Silver Corporation

VANCOUVER, British Columbia, Sept. 26, 2022 (GLOBE NEWSWIRE) -- Endeavour Silver Corp. (TSX: EDR, NYSE: EXK) (“Endeavour” or the “Company”) is pleased to report positive drill results from its ongoing drill program at the Guanacevi Mine in Durango state, Mexico. Drilling continues along the prolific Santa Cruz vein in two areas (view Santa Cruz Vein longitudinal section), with the objective to convert, expand, and discover new resources.

The 2022 drill program has continued to focus on the El Curso property, establishing lateral and vertical extents of the mineralized zone between the Porvenir Cuatro and Milache mines. The exploration and exploitation rights to the El Curso property were obtained in 2019 from Ocampo Mining S.A. de CV., and have become an integral contributor to the operation. Recently, under the same agreement terms, the Company has tested the northwest extension of the Porvenir Dos orebody with encouraging results from initial drilling.

Highlights from Recent El Curso Drill Results

  • 3.50 gpt Au and 1,150 gpt Ag for 1,430 gpt AgEq over a 1.16 m ETW, including 12.80 gpt Au and 4,240 gpt Ag for 5,264 gpt AgEq over 0.24 m (UCM-102)

  • 3.54 gpt Au and 1,129 gpt Ag for 1,412 gpt AgEq over a 7.28 m ETW, including 25.40 gpt Au and 7,080 gpt Ag for 9,112 gpt AgEq over 0.43 m (UCM-106)

Highlights from Recent Porvenir Dos Drill Results

  • 1.43 gpt Au and 967 gpt Ag for 1,081 gpt AgEq over a 2.43 m ETW, including 3.64 gpt Au and 5,120 gpt Ag for 5,411 gpt AgEq over 0.23 m (APD-03)

  • 1.60 gpt Au and 1,460 gpt Ag for 1,589 gpt AgEq over a 1.17 m ETW, including 2.91 gpt Au and 3,340 gpt Ag for 3,573 gpt AgEq over 0.25 m (APD-04)

Abbreviations include: gpt: grams per tonne; Au: gold; Ag: silver; ETW: estimated true width; m: metre; HW: hanging wall. Silver equivalents are calculated at a ratio of 80:1 silver:gold.

“We are encouraged by the drill results at Guanacevi, as we continue to delineate high grades in areas which are proximal to the mill and historic working areas. The results announced today demonstrate both growth and steady improvement of the deposit and mine plan,” stated Dan Dickson, Chief Executive Officer. “Our focus remains on delineating mineralized extensions to mining horizons and resource growth.”

Latest Drill Results

The Guanacevi drill results are summarized in the following tables:

Guanacevi – Santa Cruz Vein - El Curso

Hole

Structure

From

To

True Width

Au

Ag

AgEq

(m)

(m)

(m)

(gpt)

(gpt)

(gpt)

UCM-101

Santa Cruz

219.90

221.90

1.10

0.36

101

130

Including

220.55

221.15

0.33

0.29

137

160

UCM-102

Santa Cruz

202.80

205.45

1.16

3.50

1,150

1,430

Including

203.55

204.10

0.24

12.80

4,240

5,264

UCM-103

Santa Cruz

195.00

210.25

6.08

0.97

234

311

Including

208.90

209.35

0.18

5.77

699

1,161

UCM-104

HW Santa Cruz

217.85

221.35

1.25

0.64

310

361

Including

218.55

219.30

0.27

1.12

490

579

UCM-105

Santa Cruz

204.00

210.00

1.80

1.08

508

595

Including

208.45

209.05

0.18

3.06

1,600

1,845

UCM-106

Santa Cruz

202.60

216.15

7.28

3.54

1,129

1,412

Including

208.15

208.95

0.43

25.40

7,080

9,112

UCM-107

Santa Cruz

229.70

232.20

1.32

0.70

123

179

Including

231.50

232.20

0.37

0.62

164

213

UCM-109

Santa Cruz

267.50

269.80

1.01

1.20

521

617

Including

269.30

269.80

0.22

0.93

707

782

UCM-110

Santa Cruz

248.05

253.00

2.47

1.25

321

421

Including

248.95

249.90

0.48

2.43

565

759

Drill holes UCM-108 and UCM-111 returned no significant results