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2023 Drilling completed at the Monitor Projects - Big Elk Copper Prospect

Exploration Programs

Transatlantic Mining Corp. | Suite 400 | 837 West Hastings Street | Vancouver | Canada V6C 3N6

T 604-630 7296 | F 604-357 1139| www.transatlanticminingcorp.com

2023 Drilling completed at the Monitor Projects - Big Elk Copper Prospect

TCO NEWS RELEASE-VANCOUVER, B.C., October 20 2023 – Transatlantic Mining Corp. (the “Company”) (TCO:TSX.V)

is pleased to announce that it has currently completed its maiden exploration drill program on the Big Elk prospect within the greater

Monitor Copper Gold Project. Fourteen diamond drill holes were completed to test copper anomalism found on earlier surface

geological reconnaissance.

Additional surface outcrop sampling has been undertaken recently.

The Monitor Copper Gold Project straddles the Montana and Idaho border, approximately 5 miles south of Taft Idaho USA.

About the Monitor Claim Group:

Transatlantic has a drill permit to drill at the Monitor Copper Gold Project where historical mine grades of up to 15 % Cop per and

8 g/t Au were achieved. Surface samples with grades of up to 30% copper have also been reported previously.

“The initial drilling has been completed on the Big Elk prospect, as we now undertake further geological assessment and prepare

for 2024 programs,” commented Bernie Sostak CEO of Transatlantic Mining.

Review by Qualified Person

Aslam Awan PhD MAusIMM (CP Geo) is the Qualified Person pursuant to National Instrument 43 -101 for

having reviewed, only the technical information contained in this news release. Mr Awan is the Principal for

AAA Geo Consultants:

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. The Company currently has property interests including an 80% Joint

Venture position on the Monitor Copper-Gold project in Montana-Idaho (USA) and 100 % of the Golden Jubilee Gold Project

with its associated mining rights. The Company has an extended lease, right to mine and purchase arrangement for the Miller

Gold Mine in Montana to 100% ownership by way of payment royalty.

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 adequacy or accuracy of this release.