• Sirios reported early Phase 1 drilling results at the Cheechoo gold project, pointing to mineralization beyond the 2025 resource estimate.
• Hole CH26-326 hit 2.4 g/t gold over 48.5 meters outside the 2025 conceptual pitshell, including 77.65 g/t over 1.1 meters.
• Hole CH26-327 returned 1.16 g/t over 32.2 meters inside the pitshell, including 12.88 g/t over 1.5 meters.
• Summer 2026 program totals 13,555 meters across 33 holes; four rigs remain active.
• Phase 1 drilling targets completion in September, followed by an updated resource estimate.

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. Sirios Resources Inc. published the original content used to generate this news brief via Newsfile (Ref. ID: 202608200700NEWSFILECNPR____20260820_310548_1) on August 20, 2026, and is solely responsible for the information contained therein.