Precious Metals

Endeavour Silver Drilling Intersects High-Grade Gold-Silver Mineralization at the Bolanitos Mine in Guanajuato, Mexico

Endeavour Silver Corp. (NYSE: EXK) (TSX: EDR) announces that exploration drilling continues to intersect high-grade gold-silver mineralization in the Melladito and San Bernabe vein systems at the Bolanitos mine in Guanajuato, Mexico. Since drilling resumed in June, a total of 22 holes have been drilled of which 11 holes and 22 mineralized intervals returned high grades over mineable widths (view Melladito longitudinal section he r e ).

Drilling highlights include the following intersections along the Melladito vein:

  • 12.76 grams per tonne ( gpt ) gold and 55 gpt silver over 4.5 met re s (m) true width (1,076 gpt or 31.4 oz per ton (opT) silver equivalents (AgEq) over 14.8 feet (ft) using an 80:1 silver:gold ratio) including 0.4 m grading 43.5 gpt gold and 171 gpt silver (3,651 gpt AgEq or 106.4 opT over 1.3 ft) in hole BN-58
  • 0.51 gpt gold and 491 gpt silver over 2.7 m true width (531 gpt or 15.5 opT AgEq over 8.9 ft) including 0.4 m grading 1.74 gpt gold and 2,220 gpt silver (2,359 gpt AgEq or 68.8 opT over 1.3 ft) in hole BN-52

Drill holes BN-40, 42, 57 extend the Melladito vein mineralization further to the north and at depth, drill holes 50, 52, 58 extend the Melladito vein mineralization further to the east and near surface to possibly connect with the San Pablo mine workings, and drill holes 45, 47 extend the Melladito vein mineralization another 200 m north on the other side of the San Ramon and Providencia shafts. The Melladito mineralized zone now measures up to 200 m long by more than 250 m deep, still open at depth and to the north.

An initial three holes were drilled along the San Bernabe vein system highlighted by hole BN-59 which returned 7.91 gpt gold and 12 g p t silver over a 2.7 m true width (645 gpt AgEq or 18.8 opT over 8.9 ft).

Drilling results are summarized in the following table:

From True Au Ag AgEq
(m) (m) (gpt) (gpt) (gpt)
Melladito 272.80 1.6 0.64 79 131
Including 272.80 0.9 0.57 132 177
FW Medallito 292.40 4.4 3.88 5 316
Including 294.50 0.4 12.90 14 1,046
Melladito 296.90 4.3 3.70 8 304
Including 298.15 0.4 7.82 10 636
FW Melladito 334.55 1.9 2.12 5 174
Including 336.85 0.6 3.76 6 307
San Ignacio? 151.00 1.5 0.23 163 181
Including 154.45 0.1 1.34 784 891
Melladito 60.40 2.0 0.10 110 118
Including 63.15 0.3 0.15 253 2.65
Melladito 67.55 1.0 0.28 260 282
Including 68.55 0.4 0.66 660 713
San Ignacio? 111.25 2.6 1.90 357 509
Including 111.25 0.7 3.73 1,085 1,383
Melladito 86.95 7.6 0.73 213 272
Including 93.25 0.4 1.13 713 803
FW Melladito 103.75 3.5 0.17 12 25
San Ignacio 167.45 5.1 1.48 243 361
Including 171.10 0.3 4.30 615 959
HW Melladito 174.30 1.2 0.89 506 577
Including 175.10 0.4 2.01 1,390 1,551
Melladito 180.05 2.7 3.37 110 380
Including 180.30 0.6 8.47 236 914
Bolanitos-San Miguel? 220.60 2.5 5.52 20 464
Including 222.35 0.3 14.50 18 1,178
Bolanitos-San Miguel? 237.50 0.7 5.70 1,226 1,682
Including 237.50 0.2 15.95 3,460 4,736
Melladito 212.50 2.7 0.51 491 531
Including 214.75 0.4 1.74 2,220 2,359
FW Melladito 323.25 1.5 2.24 3 182
Including 323.25 0.3 9.87 11 801
Melladito 283.10 3.7 3.89 4 315
Including 287.50 0.5 20.40 21 1,653
FW Melladito 300.70 1.1 2.01 4 165
Including 300.70 0.5 3.09 5 252
Melladito 52.00 2.5 0.83 218 285
Including 52.60 0.3 1.90 723 875
Bolanitos 101.80 1.1 2.06 89 254
Including 102.25 0.4 5.48 217 655
Bolanitos 114.70 4.5 12.76 55 1,076
Including 116.20 0.4 43.50 171 3,651
San Bernabe 106.55 2.7 7.91 12 645
Including 108.60 0.4 9.96 19 816

Silver equivalents are calculated at a ratio of 8 0:1 silver: gold. All widths are estimated true widths.

Qualified Person and QA/ QC - Godfrey Walton, M.Sc ., P.Geo ., Endeavour President, is the Qualified Person who reviewed and approved this news release and supervised the drilling programs in Mexico. A Quality Control sampling program of reference standards, blanks and duplicates is used to monitor the integrity of all assay results. All samples are split at the local field office and shipped to SGS Labs, where they are dried, crushed, split and 250 gram pulp samples are prepared for analysis. Gold is determined by fire assay with an atomic absorption (AA) finish and silver by aqua regia digestion and ICP finish, over-limits by fire assay and gravimetric finish.

About Endeavour Silver – Endeavour Silver Corp. is a mid-tier precious metals mining company that owns and operates three high-grade, underground, silver-gold mines in Mexico. Endeavour is currently advancing the Terronera Mine project towards a development decision and exploring its portfolio of exploration and development projects in Mexico and Chile to facilitate its goal to become a premier senior silver producer.  Our philosophy of corporate social integrity creates value for all stakeholders.

SOURCE Endeavour Silver Corp.

Contact Information:
Galina Meleger, Director, Investor Relations
Toll free: (877) 685-9775
Tel: (604) 640-4804

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Cautionary Note Regarding Forward-Looking Statements

This news release contains "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 securities legislation. Such forward looking statements and information herein include but are not limited to statements regarding Endeavour's anticipated performance in 2020 including changes in mining operations and production levels, the timing and results of various activities and the impact of the COVID 19 pandemic on operations. The Company does not intend to and does not assume any obligation to update such forward-looking statements or information, other than as required by applicable law.

Forward-looking statements or information involve known and unknown risks, uncertainties and other factors that may cause the actual results, level of activity, production levels, performance or achievements of Endeavour and its operations to be materially different from those expressed or implied by such statements. Such factors include but are not limited to the ultimate impact of the COVID 19 pandemic on operations and results, changes in production and costs guidance, national and local governments, legislation, taxation, controls, regulations and political or economic developments in Canada and Mexico; financial risks due to precious metals prices, operating or technical difficulties in mineral exploration, development and mining activities; risks and hazards of mineral exploration, development and mining; the speculative nature of mineral exploration and development, risks in obtaining necessary licenses and permits, and challenges to the Company's title to properties; as well as those factors described in the section "risk factors" contained in the Company's most recent form 40F/Annual Information Form filed with the S.E.C. and Canadian securities regulatory authorities.

Forward-looking statements are based on assumptions management believes to be reasonable, including but not limited to: the continued operation of the Company's mining operations, no material adverse change in the market price of commodities, mining operations will operate and the mining products will be completed in accordance with management's expectations and achieve their stated production outcomes, and such other assumptions and factors as set out herein. Although the Company has attempted to identify important factors that could cause actual results to differ materially from those contained in forward-looking statements or information, there may be other factors that cause results to be materially different from those anticipated, described, estimated, assessed or intended. There can be no assurance that any forward-looking statements or information will prove to be accurate as actual results and future events could differ materially from those anticipated in such statements or information. Accordingly, readers should not place undue reliance on forward-looking statements or information.

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