Copperstone Resources publ : Acquisition of the Ciscaria Copper Project; Sunstone Metals Ltd New Main Owner

Danderyd 8 TH August 2018

Copperstone Resources AB has signed a non-binding Letter Of Intent to acquire Avalon Minerals Viscaria AB from Sunstone Metals Ltd Australia. If completed, the acquisition would make Sunstone the largest shareholder of Copperstone.

The purchase price amounts to 160 million B-shares of Copperstone and SEK 40m in cash upon closing. In addition, 46 million B-shares of Copperstone and SEK 20m in cash upon the receipt of Environmental Permit.

The Viscaria project is located in Kiruna, northern Sweden and the project has nearly 345 km of historic drill cores and estimated mineral resources of 52.4m tonnes at 1.2% copper of different classes; potentially 608,900 tons of copper. During 1983-1997 LKAB and Outokumpu produced 12.5m tonnes at 2.3% copper; approximately 287,500 tonnes of copper. The acquisition includes the Viscaria deposit, all permissions, drill cores, data, IP and core shed facility etc.

'Copperstone and Viscaria constitute an excellent strategic fit; Copperstone being the local partner, well placed to bring the project forward and providing the Copperstone large scale potential and its Granliden, Svartliden and Eva assets to be combined with a potential significant copper producer, providing further employment opportunities to Norrbotten, our own region. In addition, Sunstone brings to the combined entity competence and track record of international copper porphyry discoveries', comments Copperstone Chairman Michael Mattsson.

'Sunstone is pleased to be partnering with Copperstone with the vision of building a significant copper company in Scandinavia. We are excited about the future opportunities generated from this transaction', comments Sunstone CEO Malcolm Norris.

The transaction is subject to finalized due diligence and approval by Extraordinary General Meetings in Copperstone and Sunstone, respectively. Closing is expected around November 2018.

Stockholm Corporate Finance AB acts as Copperstone's sole financial advisor in the transaction. Hamilton Advokatbyrå KB acts as Copperstone's legal advisor in the transaction.

Evli Bank AB acts as Sunstone's sole financial advisor in the transaction. Foyen Advokatfirma KB acts as Sunstone's legal advisor in the transaction.

Additional information can be found in the attached document. For further information, please contact Chairman Michael Mattsson, [phone], [e-mail], [e-mail] or visit the Copperstone website at www.copperstone.se

This information is information that Copperstone Resources AB (publ) is obliged to make public pursuant to the EU Market Abuse Regulation. The information was submitted for publication, through the above contact person's agency, 08:05 CEST on 8 August 2018.