• Goldgroup Mining highlighted district-scale exploration upside at its Don David operations in Oaxaca, Mexico, spanning about 55 km along the San José corridor.
• The district includes the producing Arista and Alta Gracia mines, with multiple epithermal vein systems offering potential extensions along strike and at depth.
• More advanced regional targets include Margaritas and El Rey, where historical drilling reported narrow, locally high-grade gold-silver intercepts.
• Resource definition, expansion and infill drilling totaled 25,726 meters as of July 31, 2026, across Arista and Alta Gracia.
• A marketing agreement with Lakefront Media starts Sept. 1, 2026, with USD 150,000 paid for an initial one-week campaign.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Goldgroup Mining Inc. published the original content used to generate this news brief on September 03, 2026, and is solely responsible for the information contained therein.