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COPPERSTONE RESOURCES AB: INTERIM TECHNICAL REPORT
By Globenewswire

Published 17 May 2018

Copperstone Resources AB (“Copperstone” or “the Company”) is pleased to present an update on the drilling programme at Granliden Hill and to provide information on the current geological interpretation relative to geophysics. Note that assay results from the fourth hole are still pending. (See attached interim technical report).

Highlights

  • Mineralisation consisting of interspersed chalcopyrite veins has been intercepted in drillhole COS18359 over 81m from 745m to 826m. This mineralisation is associated with a vertical resistive Natural Source Audio-frequency magnetotelluric (NSAMT) feature which has considerable strike and depth extent and is being drill- tested for the first time.
     
  • Potassic alteration is a characteristic style of alteration in porphyry style deposits and was intercepted over several hundred metres (from 110.7m to 361.4m) in drillhole COS18356 and from 155.8 to 618.9m in drillhole COS18357 as previously announced. This helps substantiate the porphyry style of mineralisation proposed for the genesis of the Cu sulphides historically drill tested on the project.
     
  • Geochemistry commensurate with Adakite in drillhole COS18358 provides further validation for porphyry style mineralisation.

Our drilling work at Granliden Hill is confirming our geological interpretation of the geophysical targets and is beginning to show that copper mineralisation is linked to large scale intrusive features. We are excited to have drilled extensive mineralisation deep under Granliden Hill and we are now awaiting the assay results for this intercept. Our porphyry-style model appears to hold credibility, and we are continuing to build the first deep east-west geological sections across the target area.



The application of deep drill holes well below the shallow historical datasets is proving to be a key to unlocking the scale of the intrusive complex and its related mineralisation.” comments Chris McKnight CEO of Copperstone.

For further information, please contact Chris McKnight (CEO) at +46(0)580-88890, or [email protected] or refer to Copperstone webpage: www.copperstone.se.

This press release contains insider information which Copperstone Resources AB (publ) is obliged to publish according to the EU market abuse regulation (MAR). The information was delivered by the above mentioned contact for publishing 17th May 2018 at 1030 CET.

About

Copperstone Resources AB is a public company trading as COPP B on NASDAQ First North (Stockholm). The Certified Adviser is Augment Partners AB. The Company is focused on base and precious metal exploration in the vicinity of the internationally-recognized mining region of the Skellefte-field in northern Sweden.  The Copperstone project is situated on four contiguous exploration permits in Norrbotten County (Sandberget 100 (8074ha), Sandberget 200 (19ha), Sandberget 300 (19ha) and Svartliden 1001 (444ha). In addition the Company owns one exploitation concession within the same area, namely Svartliden K no. 1 (36ha) and an approved application for Eva k no. 1 (34ha) subject to an objection. The Company also owns the Tvistbogruvan K no. 1 (11ha) exploitation concession and the Såggården No.1 (199ha) exploration permit in the Bergslagen mining region of central Sweden.  Quoted surface areas are approximate to the nearest hectare. All exploration permits and exploitation concessions are 100% owned, either directly or through a subsidiary.

Qualified Person

All information in this press release has been reviewed and approved for publication by the appointed independent Qualified Person Mr Thomas Lindholm (M.Sc. Mining Engineering) of Geovista AB.  Mr Lindholm is a registered Member of the Fennoscandian Review Board and has in excess of 35 years' experience in mineral exploration in Sweden and abroad and is a Qualified Person under the Nasdaq First North Stockholm rules.  Mr Lindholm consents to the inclusion of the information in the form and context in which it appears.

Forward-looking Statement

News releases, presentations and public commentary made by the Company, and its Officers, may contain certain statements and expressions of belief, expectation or opinion which are forward-looking statements, and which relate, inter alia, to interpretations of exploration results to date and the Company's proposed strategy, plans and objectives or to the expectations or intentions of the Company's Directors. Such forward-looking and interpretative statements involve known and unknown risks, uncertainties and other important factors beyond the control of the Company that could cause the actual performance or achievements of the Company to be materially different from such interpretations and forward-looking statements. Accordingly, the reader should not rely on any interpretations or forward-looking statements; and save as required by the exchange rules of NASDAQ First North (Stockholm) for listed companies or by applicable laws, the Company does not accept any obligation to disseminate any updates or revisions to such interpretations or forward-looking statements. The Company may re-interpret results to date as the status of its assets and projects changes with time expenditure, metals prices and other affecting circumstances.

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