Aston Bay Identifies 17 New Base and Precious Metal Showings at the Epworth Copper-Silver Project,

15 January 2026

Aston Bay Holdings Ltd. (TSXV: BAY) (OTCQB: ATBHF) ("Aston Bay" or the "Company") is pleased to announce results from the 2025 summer field program at its Epworth sediment-hosted copper (“Cu”) – silver (“Ag”) - zinc (“Zn”) – cobalt (“Co”) - gold (“Au”) project (“Epworth” or the “Project”) located 80 kilometres (“km”) southeast of Kugluktuk in Nunavut, Canada.

Highlights

• 17 new base and precious metal showings discovered during the 2025 field program at the Epworth Copper-Silver Project, Nunavut
• High-grade copper and silver returned, including up to 29.2% Cu with 217 g/t Ag in grab samples from chalcocite veins at the Greenback Showing
• Copper-gold mineralization identified, with assays up to 5.42% Cu and 1.89 g/t Au and 3.73% Cu with 2.08 g/t Au in disseminated sediment-hosted styles of mineralization
• Strong zinc-lead (“Pb”) results, including up to 10.1% Zn and up to 17.8% Pb, plus elevated cobalt values up to 379 ppm Co
• Mineralization spatially associated with MobileMT conductors, supporting a robust sediment-hosted copper system and potential for significant buried mineralization
• Results further de-risk and refine targets for a planned 2026 drill program, testing both high-grade veins and large-scale stratiform Cu-Ag-Co mineralization

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