Sienna Resources begins fieldwork on 31,718-acre Stonesthrow copper-gold project in Saskatchewan

• Sienna Resources began fieldwork at its 31,718-acre Stonesthrow project in Saskatchewan, targeting copper, gold, silver prospects.
• Crews are following up on high-priority targets identified in a recently completed airborne survey.
• A drill program is underway at the company’s Esmeralda County gold project in Nevada’s Walker Lane trend.
• Shares outstanding total just over 40 million; the company cited a strong cash position to fund work through 2H 2026.

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. Sienna Resources Inc. published the original content used to generate this news brief via Newsfile (Ref. ID: 202610050301NEWSFILECNPR____20261005_317355_1) on October 05, 2026, and is solely responsible for the information contained therein.