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TCO.V ·

AND DOES NOT CONSTITUTE AN OFFER OF THE SECURITIES DESCRIBED HEREIN Update on US Grant Property

Corporate Updates

Transatlantic Mining Corp. | Suite 800 | 1199 West Hastings Street | Vancouver | Canada V6E 3T5

T 604-424 8257 | F 604-357 1139| www.transatlanticminingcorp.com

THIS NEWS RELEASE IS NOT INTENDED FOR DISTRIBUTION TO UNITED STATES NEWSWIRE

SERVICES OR FOR DISSEMINATION IN THE UNITED STATES AND DOES NOT CONSTITUTE

AN OFFER OF THE SECURITIES DESCRIBED HEREIN

Update on US Grant Property

TCO NEWS RELEASE - VANCOUVER, B.C., August 23, 2018 – Transatlantic Mining Corp. (the

“Company”) (TCO:TSX.V) provides the following update with respect to the company’s US Grant Mine,

which is held by the company’s wholly owned US subsidiary, Transatlantic Montana Corp.

Notice of Default

The Company’s wholly owned US subsidiary, Transatlantic Montana Corp., has received a “Notice of

Default” regarding its scheduled US$2,000,000 mortgage payment recently due on the US Grant

property. The company is currently working with the mortgage holde r to restructure the remaining

mortgage obligation. The Company has submitted filings to the TSX Venture Exchange with respect to

a private placement financing and shares-for-debt settlement, and is continuing to explore additional

sources of financing.

About Transatlantic Mining Corp.

Transatlantic Mining (TSX-V: TCO) is an emerging precious and base metal explorer. The Company has a focus

on converting projects into mines within stable mining jurisdictions. In August 2017, the Company entered a

purchase agreement towards 100% of the US Grant Gold-Silver Mine & Mill complex in Montana (USA). The

Company has also entered a lease (option to purchase) agreement on 100% of the Kearsarge Gold project in

Montana, located 8 km from the US Grant Mill.

The Company is also engaged in controlling and owning mineral properties interests, such as the 80% Joint

Venture position on the Monitor Copper-Gold project in Idaho (USA).

For further information please contact: Bernie Sostak +61 (0) 439 904 044

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

in the policies of the TSX Venture Exchange) accepts responsibility for the adequ acy or accuracy

of this release