• Thunder Mountain Gold changed independent registered public accounting firms after Assure CPA was acquired by Sadler Gibb.
• Assure will resign as auditor. Sadler Gibb will take over. The audit team serving the company will continue at Sadler Gibb.
• A Form 8-K was filed under Item 4.01 covering the change in certifying accountant.

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. Thunder Mountain Gold Inc. published the original content used to generate this news brief via Newsfile (Ref. ID: 202606091113NEWSFILECNPR____20260609_300753_1) on June 09, 2026, and is solely responsible for the information contained therein.