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Sienna Resources Intersects Massive Sulphide Mineralization on its Slattberg Nickel-Copper-Cobalt Project Drill Program in Sweden

Drill Results

Sienna Resources Intersects Massive Sulphide

Mineralization on its Slattberg Nickel-Copper-Cobalt

Project Drill Program in Sweden

Vancouver, British Columbia--(Newsfile Corp. - October 18, 2019) - Sienna Resources (TSXV:

SIE

) (FSE:

A1XCQ0

) (OTC

Pink:

SNNAF

)

is pleased to announce the completion of its drill program on its flagship nickel, copper and cobalt Slättberg

Project in Sweden.

All samples will be shipped next week to ALS Global with the expected assay results back in 4-6 weeks.

In 2018, Sienna intersected 13.0 meters averaging 0.32% nickel and 0.28% copper and 0.034% cobalt and 0.32 ppm platinum

+ palladium

in drill hole SIE-18-005, as reported in Sienna's News Release dated May 17, 2018. As a follow up to hole 18-005,

Sienna drilled hole SIE-19-001, which represents a 50 meter step out to the west and down-dip of the mineralization intersected

in hole SIE-18-005. SIE-19-001 was drilled to a depth of 259.5 meters.

Based upon a visual inspection by the head geologist at the drill, drill hole SIE-19-001 intersected bodies of semi-massive to

massive sulfide mineralization and breccias over a 4.625 meter interval from 168-172.625 meters, with additional masses of

sulfide mineralization and breccia that persisted to a depth of 195 meters

1

. The sulfide mineralization intersected in 19-001 was

also associated with and hosted by a swarm of diabase (mafic) dikes, which persisted to the end of the hole at 259.5 meters.

The density and thickness of the mafic dikes seen in 19-001 are far greater than seen in other drill holes in the area and in

surface exposures.

Further, the presence of visible sulfide mineralization distributed over a 27 meter interval in the drill hole

2

and the intensity of the

dike swarm may suggest that Sienna is tapping into a "feeder zone" for the system. Assays and analytical results for drill hole

SIE-19-001 are pending, and further drilling to deeper levels may be needed to determine the geometries and tenor of

mineralization in the area, and to test the "feeder zone" concept.

Jason Gigliotti, President of Sienna Resources, states, "We are very pleased with how the drill program has gone.

We are

excited to see what the assays come in at.

We feel that nickel will be one of the best performing metals in 2020. With the 2 year

planned ban of exports from Indonesia spurring a tightening in supply at a time with larger demand.

This historic demand is

growing as new uses for nickel such as electric batteries gains momentum on a global scale.

Nickel inventories are near 40 year

lows as stockpiling has been occurring with anticipation of tighter supplies and potential trade wars persist.

Indonesia produced

approximately 16% of global nickel mine production in 2017 and approximately 24% in 2018

3

.

Taking that production out of the

market could have a significant impact on Nickel prices.

As an example Saudi Arabia produced about 12% of global oil output in

2018

4

.

Sienna plans to focus on nickel assets going forward as we feel this will be the best place to be in the foreseeable

future."

1

True width estimated at 55-65% of interval

2

True width unknown, but estimated at 50-60% of interval

3

USGS Mineral Commodity Summaries of 2019

4

US Energy Information Administration

The technical contents of this release were approved by Greg Thomson, PGeo, a qualified person as defined by National

Instrument 43-101.

As a cautionary note, the visuals seen in the core need to be verified as to grade and length by the assays from ALS Global.

If you would like to be added to Sienna's email list please email

[email protected]

for information or join our twitter

account at @SiennaResources.

Contact Information

Tel:

1.604.646.6900

Fax: 1.604.689.1733

www.siennaresources.com

[email protected]

"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.

To view the source version of this press release, please visit

https://www.newsfilecorp.com/release/48891