Endeavour Silver Provides Update on Blockade at its Terronera Mine

VANCOUVER, British Columbia, Aug. 20, 2026 (GLOBE NEWSWIRE) — Endeavour Silver Corp. (“Endeavour” or the “Company”) (NYSE: EXK; TSX: EDR) provides the following update regarding the blockade and temporary suspension of operations at its Terronera mine in Jalisco, Mexico, previously announced on August 16, 2026 (see release here ).

The Company continues to engage in active discussions with representatives of the nearby Ejido community. Negotiations remain ongoing and have continued in a cordial and respectful manner. At this time, there has been no material change to the status of operations at Terronera.

Endeavour remains focused on reaching a constructive resolution that supports the orderly resumption of full operations. The Company will continue to monitor the situation closely and will update the market accordingly as further developments occur.

A welcome email is on its way. If you don't see it, please check your junk folder.

About Endeavour Silver – Endeavour is a mid-tier silver producer with three operating mines in Mexico and Peru and a robust pipeline of exploration projects across Mexico, Chile, and the United States. With a proven track record of discovery, development, and responsible mining, Endeavour is driving organic growth and creating lasting value on its path to becoming a leading senior silver producer.

Contact Information Allison Pettit Vice President, Investor Relations Email: [email protected] Website: www.edrsilver.com

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 ongoing discussions with community representatives; ongoing negotiations; the Company’s focus on reaching a constructive resolution; continued monitoring of the situation; the provision of updates by the Company; Endeavour’s ability to drive organic growth and create lasting value, and the timing and 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, 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 community relations; unexpected changes in production and costs guidance; the ongoing effects of inflation and supply chain issues on mine economics; fluctuations in the prices of silver and gold; fluctuations in the currency markets (particularly the Mexican peso, Peruvian sol, Canadian dollar, Chilean peso, and U.S.