Listing on TSX Venture Exchange

September 4, 2017

Tethyan Resources plc

Listing on TSX Venture Exchange

Tethyan Resources plc ("Tethyan" or the "Company") is pleased to announce that, in addition to being admitted to trading on AIM, the ordinary shares of the Company will commence trading on the TSX Venture Exchange at market open on Wednesday September 6, 2017, under the symbol "TETH".

The Company also announces that 600,000 options have lapsed and that the Company currently now has 10,500,000 options issued and outstanding.

For further information please contact:

Cairn Financial Advisers LLP (Nominated Adviser)

James Caithie / Sandy Jamieson +44 207 213 0880

About Tethyan

Tethyan is incorporated in England & Wales (company registration number 3781581) and is a gold and copper mineral exploration company. Tethyan listed on AIM (TETH.L) in 2004. Exploration is conducted in the Tethyan Belt of Eastern Europe, in particular Serbia where we are acquiring a portfolio of quality precious and base metals projects with known mineralisation and compelling drill targets.

Sustainability is paramount to all Tethyan's activities. The long-term success of Tethyan is connected to our ability to operate in a socially and environmentally responsible way. We are committed to proactively implement sustainable health, safety and environmental management, as well as engage with local communities and all stakeholders. Tethyan's business philosophy is to adhere to good international best practice (GIIP) and implement the highest standards of corporate governance.

More information can be found on our website: www.tethyan-resources.com.