Mr. Eric Jones reports

THUNDER MOUNTAIN GOLD ANNOUNCES CLOSING OF PRIVATE PLACEMENT

Further to the news release dated July 8, 2026, Thunder Mountain Gold Inc. has closed its non-brokered private placement consisting of 8,090,451 units of the company at a price of 70 U.S. cents ($1 (Canadian)) per unit for gross proceeds of $5,663,316 (U.S.) ($8,090,451 (Canadian)).

Each unit consists of one share of the company's common stock and one-half of one common share purchase warrant. Each warrant entitles the holder to purchase one additional common share at a price of $1 (U.S.) ($1.42 (Canadian)) for a period of 24 months from the date of issuance.

The proceeds raised pursuant to the private placement will be used for advancing the South Mountain project, including drilling, assaying, and geophysical surveys and general administration to carry out these programs.

In connection with the completion of the private placement, the company paid a cash finder's fee to four Canadian brokers in the aggregate amount of $66,563 (U.S.) ($94,525 (Canadian)) and issued an aggregate of 94,089 non-transferable common share purchase warrants. Each finder warrant entitles the holder to acquire one common share at a price of $1 (U.S.) ($1.42 (Canadian)) per finder warrant share for a period of 24 months from the date of issuance.

The private placement remains subject to the final approval of the TSX Venture Exchange.

We seek Safe Harbor.