• Michael Kosowan filed an early warning report after exercising 1,000,000 warrants at $0.1, raising his stake above the 2% reporting threshold.
• He now controls 11,801,500 shares, equal to about 14.1% on an undiluted basis.
• Including 2,000,000 warrants, his position rises to about 16.1% on a partially diluted basis.
• Directors, officers, and insiders hold about 40.95% undiluted, rising to about 47.79% partially diluted.

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. Coast Copper Corp. published the original content used to generate this news brief on July 16, 2026, and is solely responsible for the information contained therein.