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Endeavour Silver Drilling Extends High Grade Silver-Gold Mineralization in Santa Cruz Vein at the Guanaceví Mine in Durango, Mexico

Drill Results

NEWS RELEASE

Endeavour Silver Drilling Extends High Grade Silver-Gold Mineralization in

Santa Cruz Vein at the Guanaceví Mine in Durango, Mexico

Vancouver, Canada – August 30 , 2017 – Endeavour Silver Corp . (NYSE: EXK, TSX: EDR)

announces that exploration drilling at the Guanaceví mine in Durango State, Mexico has extended high

grade silver-gold mineralization along strike within the Santa Cruz vein and discovered new ore grade

mineralization within a shallow, parallel splay of the Santa Cruz vein known as the La Negra vein.

These holes extend the boundaries of the current resource area (dated December 31, 2016) . Drilling

highlights include 786 grams per tonne (gpt) silver and 0.71 gpt gold (836 gpt AgEq) over 3.4 m true

width (24.4 opT AgEq over 11.2 feet (ft)), with an internal interval assaying 2,260 gpt silver and 1.73 gpt

gold (2,381 gpt AgEq) over 0.3 m true width (69.4 opT AgEq over 1.0 ft) (view long sections here).

Results for nine new drill holes are summarized in the table below.

Hole Structure

From True width Au Ag AgEq

(m) (m) (gpt) (gpt) (gpt)

NE-01 La Negra 172.80 2.0 0.37 259 285

Including 174.00 0.8 0.42 439 468

NEU-03 Santa Cruz 96.45 2.9 0.47 260 293

Including 97.30 0.3 0.85 554 614

NEU-06 Santa Cruz 107.80 2.6 0.33 334 356

Including 107.80 0.8 0.53 683 720

UG-17 Fw SCV 218.10 1.9 0.46 324 357

Including 218.10 0.2 0.67 607 654

UG-18 Fw SCV 222.15 1.4 0.42 180 209

Including 223.00 0.4 0.64 296 341

UG-19 Santa Cruz 231.40 3.4 0.71 786 836

Including 234.50 0.3 1.73 2,260 2,381

UG-21 Santa Cruz 162.35 1.3 0.37 397 423

Including 162.35 0.3 1.06 993 1,067

UG-27 Santa Cruz 224.15 1.9 0.84 357 416

Including 224.75 0.1 4.30 2,010 2,311

UG-29 Santa Cruz 264.55 1.2 1.66 618 735

Including 266.30 0.1 6.77 2,350 2,824

Silver equivalents are calculated at a ratio of 70:1 silver:gold.

Bradford Cooke, CEO of Endeavour Silver, commented, “These encouraging drill results continue to

extend the resource envelop e in the Santa Cruz vein at Guanaceví along strike from our current reserves

and operating production areas. Another 15 drill holes have been completed and are in the lab for

assaying. The 2017 drill program will wrap up this month below budget and ahead of schedule . We will

then commence the process of the year-end resource and reserve estimation.”

Godfrey Walton, M.Sc., P.Geo., Endeavour’s President and COO, is the Qualified Person wh o 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 sp lit 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 Silv er – Endeavour Silver is a mid -tier precious metals mining company that owns

three high grade, underground, silver-gold mines in Mexico. Since start-up in 2004, Endeavour has grown

its mining operations organically to produce 9.7 million ounces of silver a nd equivalents in 2016. We

find, build and operate quality silver mines in a sustainable way to create real value for all stakeholders.

Endeavour Silver’s shares trade on the TSX (EDR) and the NYSE (EXK).

Contact Information - For more information, please contact:

Meghan Brown, Director Investor Relations

Toll free: (877) 685-9775

Tel: (604) 640-4804

Fax: (604) 685-9744

Email: [email protected]

Website: www.edrsilver.com

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 “forwar d-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 2017 including changes in mining and operations and the timing a nd results of various activities . 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, performance or achievements of Endeavour and its operations to be materially different fro m

those expressed or implied by such st atements. Such factors include but are not limited to changes in 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 a nd

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 chan ge 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 her ein. 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 dif ferent 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 anticip ated in such statements or

information. Accordingly, readers should not place undue reliance on forward-looking statements or information.