Oroco reports 369 m at 0.45% CuEq in Santo Tomás South Zone drilling update

• Oroco reported new Phase 2 drill assays from the South Zone at its Santo Tomás copper project in Sinaloa, Mexico.
• Hole S042 returned 369 m from surface grading 0.45% copper-equivalent, supporting the South Zone resource model.
• Holes S038 and S041 ended in mineralization about 200 m and 90 m below current PEA pit limits, indicating potential depth extensions.
• Other intercepts included 57 m at 0.72% CuEq in S035, 103 m at 0.58% CuEq in S039, 154 m at 0.51% CuEq in S040.
• Phase 2 drilling targets potential conversion of inferred resources to indicated; three rigs are operating as drilling shifts toward the Pillar Zone.

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. Oroco Resource Corp. published the original content used to generate this news brief via Newsfile (Ref. ID: 202609100700NEWSFILECNPR____20260910_313782_1) on September 10, 2026, and is solely responsible for the information contained therein.