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THM.V ·

Clarification of Technical Disclosure as a Result of a Review by the British Columbia Securities Commission

Technical Reports (NI 43-101) Regulatory & Compliance

THUNDER MOUNTAIN GOLD, INC.

11770 W. President Dr., Ste. F Tel: (208) 658-1037

Boise, Idaho 83713

OTCQB: THMG TSX-V: THM

News Release

Clarification of Technical Disclosure as a Result of a Review by the British

Columbia Securities Commission

Boise, Idaho – September 8 , 201 7 - Thunder Mountain Gold, Inc. (the “Company” or

“Thunder Mountain”) (TSX-V: THM; OTCQB: THMG) is issuing this news release to clarify

our disclosure on the South Mountain Project, Owyhee County, Idaho, resulting from a review

by the British Columbia Securities Commission.

Non-Compliant Technical Disclosure

The Company filed a te chnical report for the South Mountain Mine, dated March 23, 2010 (the

"Technical Report "). The Company would like to advise that the Technical Report doe s not

comply with the requirements of National Instrument 43 -101 Standards of Disclosure for

Mineral Projects ("NI 43 -101"). The Company would also like to advise that the mineral

resources disclosed are not supported by a compliant NI 43 -101 technical report and they should

not be relied upon until they can be supported by a compliant technical report . Additionally, on

the Company`s Fact Sheet linked to its website, the Company disclosed reference to capital costs

related to production. The Company retract s this disclosure in its entirety, as it cannot be

supported by a compliant technical report. The Company has not completed a mining study or

economic analysis on the project and this disclosure should not be relied upon.

The Company is currently working t o correct and rectify all of the identified issues. The

Company has engaged SRK Consulting to prepare an updated mineral resources estimate and

PEA and a NI 43-101 compliant report is in preparation and will be filed as soon as practicable.

The Company will remove and / or correct all non -compliant NI 43 -101 disclosure, and re -post

the Fact Sheet to its website.

Edward D. Fields is the Qualified Person as defined by National Instrument 43 -101 responsible

for the technical data reported in this news releas e and on the Company`s website and fact sheet.

Mr. Fields was not previously identified as the Q.P. as required under NI 43 -101 requirements.

The Company has corrected this and will ensure all future disclosure identifies the QP that has

prepared, supervised the preparation of, or approved of its disclosure.

Thunder Mountain Gold, Inc , is a U.S. – based exploration company founded in 1935, with

direct ownership interest in two U.S. precious and base metal projects. The Company is currently

re-financing it`s principal asset - The South Mountain Project – a turn key and former producing

high grade zinc-silver-gold project with copper and lead, located in Owyhee County, Idaho. The

Company`s Trout Creek Project is a grass roots gold target , drill ready, and lo cated in the

Eureka-Battle Mountain trend of central Nevada. For more information on Thunder Mountain

Gold, please visit the Company’s website at www.Thundermountaingold.com.

Forward-Looking Statements

This press release contains forward -looking statements that are based on the beliefs of management and

reflect the Company's current expectations. The forward -looking statements are based on certain

assumptions, which could change materially in the future. By their nature, forward -looking information

involves known and unknown risks, uncertainties and other factors that may cause actual results,

performance or achievements to be materially different from any future results, performance or

achievements expressed or implied by the forward -looking information. There can be no assurance that

forward-looking information will prove to be accurate, as actual results and future events could differ

materially from those anticipated in such statements. Accordingly, inv estors should not place undue

reliance on forward -looking information. Forward -looking information is provided as of the date of this

press release, and the Company assumes no obligation to update or revise them to reflect new events or

circumstances, except as required in accordance with applicable laws.

Cautionary Note to Investors

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in

policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

The United States Securities and Exchange Commission (“SEC”) permits mining companies, in their

filings with the SEC, to disclose only those mineral deposits that a company can economically and legally

extract or produce.

For further information, please contact:

Thunder Mountain Gold, Inc.

Eric Jones Jim Collord

President and Chief Executive Officer Chief Operating Officer

[email protected] [email protected]

Tel: (208) 658-1037 Tel: (208) 658-1037