Onyx Gold extends Munro-Croesus Argus North zone past 700 meters with 3.5 g/t gold over 28.1 meters

• Onyx Gold reported new drill results from its 100%-owned Munro-Croesus project in Ontario, extending the Argus North zone beyond 700 meters depth.
• Argus North hole MC26-274A returned 3.5 g/t gold over 28.1 meters, including 5.3 g/t over 17.8 meters.
• Argus Main drilling hit broad mineralization, led by 1.0 g/t gold over 93.0 meters in hole MC26-324, with the hole ending in mineralization.
• First-pass drilling 250 meters northeast of Argus Main intersected 2.6 g/t gold over 7.3 meters, opening a new target along the Argus Fault corridor.
• The 2026 program targets 110,000 meters of drilling; about 75,000 meters have been completed; cash on hand stands at about $18 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. Onyx Gold Corp. published the original content used to generate this news brief via Newsfile (Ref. ID: 202607160700NEWSFILECNPR____20260716_305408_1) on July 16, 2026, and is solely responsible for the information contained therein.