Sienna to Commence Extended Sampling Program on Cobalt, Nickel, and Copper Slättberg Project in Sweden

- June 12th, 2018

Sienna Resources Inc (TSXV:SIE) (FSE:A1XCQ0) (OTCBB:SNNAF) is pleased to announce that it has approved an extended sampling and geophysical program on the Slättberg nickel-copper cobalt project in Sweden.

Sienna Resources Inc (TSXV:SIE) (FSE:A1XCQ0) (OTCBB:SNNAF) is pleased to announce that it has approved an extended sampling and geophysical program on the Slättberg nickel-copper cobalt project in Sweden.   Samples of stream sediments, soil and glacial till will be collected in areas where magnetic anomalies have been identified. These magnetic anomalies occur in areas where the highest historic stream sediment cobalt and nickel anomalies occur. The historic data was collected during 1970’s era sampling programs, but were never followed up on. The focus of the ongoing programs is to identify additional high priority drill targets for the Project.

Recently Sienna announced plans for a downhole EM survey on the property. The EM survey is an ideal exploration tool to utilize at the Slättberg project due to the highly conductive nature of the cobalt-nickel-copper mineralization. The intent of the EM surveys will be to identify conductive anomalies in the immediate vicinity of the drill holes that were not intercepted in the initial holes. This may generate a new series of prioritized drill targets for immediate follow-up, and will also help constrain the geometries of known bodies of mineralization on the project.

Jason Gigliotti, President of Sienna states, “The initial results of the drill program were encouraging but further target definition is still ongoing.   The current work programs should enable us to prioritize the next phase of drilling. We will focus the next phase on the highest cobalt centric locations as we are now able to work on these areas as the snow melt has now afforded us this ability.  The EM surveys and new sampling work should provide multiple high priority drill targets, which we plan to test this summer. We look forward to a very active second half of 2018 as we still cash reserves to cover the plan work programs.”

About Sienna Resources Inc.:

The Slättberg Cobalt-Nickel-Copper Project consists of three adjacent exploration permits comprising approximately 12,733 contiguous acres.

Slättberg is located 25 kilometers northwest of Falun, Sweden. Slättberg is a historic mining camp hosting cobalt-nickel-copper rich massive sulfide mineralization that occurs within a two kilometer belt of historic nickel-copper mines. The Project contains drill defined massive sulphide mineralization that extends to ~100 meters in depth, and remains open for expansion at depth and along strike.  The Project is accessible year round, with nearby rail, power and 5 smelters in the Nordic region.  At least 16 historic mines are located on the property, with historic operations dating back to the late 1800’s.

Mineralization at Slättberg is hosted by 1.8-1.9 Ga (Svecofennian) supracrustal rocks (metavolcanics and metasediments) located along the southwestern flank of a large gabbroic intrusive complex. The historic mines are positioned along an east-west trend of massive sulfide occurrences developed in and around a similarly oriented body of “leptite”. This is a local term used to describe rhyolitic/felsic tuffaceous rocks commonly associated with sulfide mineralization in Bergslagen. Mafic and ultramafic rocks also occur in and around the mine workings.

Sweden is at the forefront of an exploration and development boom in the mining industry. The country’s favorable business environment includes a low corporate income tax rate, a proactive geological survey, and broad public support for export-led resource extraction. Sweden has a long history of mining, and is host to some of Europe’s largest active mines.

The technical contents of this release were approved by Greg Thomson, P. Geo., a qualified person as defined by National Instrument 43-101.

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Contact Information
Tel:  1.604.646.6900
Fax: 1.604.689.1733
www.siennaresources.com
info@siennaresources.com

“Jason Gigliotti”
President, Director
Sienna Resources Inc.

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 press release.

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