Astra Exploration extends high-grade gold-silver mineralization at La Manchuria, plans 10,000-20,000-meter follow-up drill program

• Astra Exploration reported final Phase III assays from La Manchuria in Santa Cruz, Argentina, extending near-surface gold-silver mineralization.
• Step-out drilling hit 3 meters at 4.34 g/t gold, 363.7 g/t silver at Basalto; 8 meters at 3.12 g/t gold, 10.3 g/t silver.
• Mineralization remains open in all directions; deeper holes returned weaker widths due to unfavorable host lithology.
• Follow-up drilling of 10,000-20,000 meters is planned for Q4 2026 to expand Manchuria Hill, test regional targets.
• La Manchuria land position expanded to about 39,000 hectares from about 5,600 hectares; treasury cited at C$ 12.5 million.

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. Astra Exploration Inc. published the original content used to generate this news brief via Newsfile (Ref. ID: 202609170700NEWSFILECNPR____20260917_314682_1) on September 17, 2026, and is solely responsible for the information contained therein.