Endeavour Silver Corp. has launched an at-the-market (ATM) equity offering of common shares for gross proceeds of up to US$60,000,000 (approximately C$82.2 million, based on the July 9, 2025 exchange rate of US$1 = C$1.3693). The offering is being made through a sales agreement dated July 10, 2025, with BMO Capital Markets Corp. as lead agent, and includes TD Securities (USA) LLC, Ventum Financial (US) Corp., National Bank of Canada Financial Inc., Raymond James (USA) Ltd., H.C. Wainwright & Co., LLC, and ING Financial Markets LLC.

Shares will be sold on the NYSE at market prices, with no minimum required. The company will pay agents a 2% commission on gross sales. Net proceeds will fund development at the Pitarrilla and Parral projects, support the Terronera project ramp-up, finance potential acquisitions, advance exploration, and boost working capital.

Legal counsel for Endeavour includes Blake, Cassels & Graydon LLP (Canada) and Dorsey & Whitney LLP (U.S.), while the agents are represented by Skadden, Arps, Slate, Meagher & Flom LLP. Listing of the offered shares on the TSX and NYSE is subject to approval.