Endeavour Silver Corp.

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June 27, 2016

Endeavour Silver Outlines Several Prospective New Silver-Gold Veins on the Terronera Property in Jalisco State, Mexico

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Vancouver, Canada – June 27, 2016 – Endeavour Silver Corp. (TSX: EDR, NYSE: EXK) announces that its surface exploration program has outlined several prospective new silver-gold veins on the Terronera property in Jalisco State, Mexico. To date, mapping has extended the Terronera vein system over a 7 kilometre (km) by 7 km area and identified nine additional veins in the northern half of the property (view map).

Sampling of the Terronera vein system confirmed that high-grade, low sulphidation epithermal silver-gold mineralization is present in many of the veins. Assays of several thousand samples, including grab samples, selected samples and chip samples, returned values up to 2,880 grams per tonne (gpt) silver and up to 26.7 gpt gold.

Assay highlights from five of the new veins are summarized in the table below. These assays are intended to show peak values confirming the presence of high-grade mineralization and should not be taken as representative of the entire veins. Most of these new veins have never been tested by drilling. Silver equivalents are calculated at a ratio of 70:1 silver:gold.

Vein Sample No Au Ag AgEq
(gpt) (gpt) (gpt)
Las Coloradas 17540 6.41 2,880 3,329
17542 0.59 850 891
17543 1.52 1,005 1,111
17555 0.13 294 303
17579 0.25 282 300
Los Reyes 15808 0.10 585 592
15813 1.93 393 528
15814 0.99 562 631
15875 1.42 630 729
17259 4.03 1,050 1,332
17264 0.73 743 794
17302 1.94 575 711
La Ermita 15261 0.13 398 407
15358 0.88 506 568
15359 0.48 387 421
15361 0.55 290 329
15367 0.37 423 449
15369 0.43 1,355 1,385
15470 0.13 342 351
El Padre 14223 0.87 135 196
14061 10.10 148 855
14208 0.58 174 215
14226 0.52 227 263
14229 1.97 315 453
14207 0.73 325 376
14221 0.66 358 404
La Luz 12840 20.70 506 1,955
12832 5.31 555 927
14019 0.52 564 600
12836 6.82 567 1,044
12862 7.81 576 1,123
12837 5.70 589 988
12838 26.70 763 2,632
12833 11.15 763 1,544
12808 8.09 818 1,384
12907 7.40 951 1,469

General descriptions of five of the new veins are shown in the table below:

Target Length (m) Width (m) General Description Results (ranges)
Au ppm Ag ppm
Las Coloradas 700 0.85-2.30 Quartz vein (gray, saccaroidal to massive); with disseminated sulphides; dendriticOxMn, OxFe in fractures; associated argillized rhyolitic volcanics, with oxidized disseminated pyrite 0.005-6.41 4.0-2880
Los Reyes 1,800 0.25-2.55 Quartz vein (white-crystalline); with traces of OxMn + OxFe; hosted in silicified rhyolitic volcanics 0.006-4.03 0.2-1050
La Ermita 600 0.15 - 3.00 Quartz vein (white-massive), with moderate to strong OxFe + OxMn + hematite, in druses and boxworks; traces of pyrite and other sulphides; with stockwork zones at the hanging wall and footwall. 0.005-0.88 0.4-1355
El Padre 1,800 0.40 - 4.00 Quartz vein (white-massive); with moderate to strong oxidation, at some parts intense OxMn. Quartz stockwork observed at the hanging wall. with disseminated pyrite and traces of gray sulphides, intervals with very white quartz and weak oxidation. <0.005-10.10 <0.2-358
La Luz 1,550 0.30 - 3.00 Quartz Vein (white-massive), with moderate to strong oxidation; some hydrothermal breccias with stockwork zones, with moderate oxidation, and some massive quartz, with weak oxidation; OxFe + OxMn; <0.005-26.7 0.5-951

Luis Castro, Vice President of Exploration, commented, “These excellent sample results confirm that Endeavour owns an entire vein district on the Terronera property, with many veins exhibiting high-grade silver-gold mineralization and small historic mine workings but no past exploration drilling. Currently we have two drill rigs testing the El Padre and La Luz veins.”

Godfrey Walton, M.Sc., P.Geo., Endeavour’s President and COO, 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 has been instituted to monitor the integrity of all assay results. All samples are split at the local field office and shipped to ALS-Chemex Labs, where they are dried, crushed, split and 50 gram pulp samples are prepared for analysis. Gold and silver are determined by fire assay with an atomic absorption (AA) finish.

About Endeavour – Endeavour Silver Corp. is a mid-tier precious metals mining company that operates three high-grade, underground, silver‑gold mines in Mexico. Since start‑up in 2004, the Company has organically grown its mining operations to produce 11.4 million ounces of silver equivalents in 2015. Endeavour’s growing discovery of high-grade silver-gold mineralization on the Terronera property in Jalisco state, combined with the recent acquisition of the permitted El Compas mine and plant in Zacatecas state, should facilitate the Company’s goal to become a premier senior producer in the silver mining sector.

Contact Information - For more information, please contact:

Meghan Brown, Director Investor Relations
Toll free: 1-877-685-9775
Tel: 604-640-4804
Fax: 604-685-9744
Email: 
Website: www.edrsilver.com

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