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Sienna Hires Abitibi Geophysics of Quebec to Conduct an AeroVision Survey on the Marathon North Platinum-Palladium Property in Northern Ontario

Exploration Programs

Sienna Hires Abitibi Geophysics of Quebec to

Conduct an AeroVision Survey on the

Marathon North Platinum-Palladium Property

in Northern Ontario

Vancouver, British Columbia--(Newsfile Corp. - November 18, 2022) - Sienna Resources Inc. (TSXV:

SIE) (OTC Pink: SNNAF) (FSE: A1XCQ0) ("Sienna" or the "Company") wishes to announce that it has

hired internationally respected Abitibi Geophysics of Quebec to conduct an AeroVision Survey on the

Marathon North Platinum-Palladium Property in Northern Ontario directly bordering Generation Mining

Ltd.

Management cautions that past results or discoveries on properties in proximity to Sienna may not

necessarily be indicative to the presence of mineralization on the company's properties.

Jason Gigliotti, President of Sienna Resources Inc states, "We are pleased to continue to do work on

the Marathon North Property.

As we are starting operations in Ontario, we are also focused on our

Nevada Lithium Projects.

We expect to be very active in Nevada in 2023 and look forward to an active

period of growth in the short term on Sienna."

Recently, the Bureau of Land Management (BLM) has given Sienna approval for up to 4 additional holes

to be completed on the 100% owned Blue Clay Lithium Project in Clayton Valley, Nevada (See map

below).

On March 25, 2022, Sienna revealed a new lithium discovery on the 100% owned Blue Clay

Lithium Project in Clayton Valley, Nevada. Lithium values as high as 1230 ppm Li were encountered.

The Blue Clay Lithium Project consists of 150 contiguous claims totaling approximately 2,950 acres

prospective for lithium right in the heart of the Clayton Valley in Nevada, which is currently

home to the

only producing lithium region in North America.

Clayton Valley Map

To view an enhanced version of this graphic, please visit:

https://images.newsfilecorp.com/files/854/144690_1d0a0a2614275bc2_002full.jpg

About Sienna Resources Inc.

Sienna Resources is focused on exploring for and developing high-grade battery metals deposits in

politically stable, environmentally responsible and ethical mining jurisdictions. Sienna's projects include

the Marathon North platinum-palladium property in Northern Ontario directly bordering Generation Mining

Ltd.'s Marathon deposit. Sienna also has the Clayton Valley Deep Basin Lithium Project in Clayton

Valley, Nev., home to the only lithium brine basin in production in North America, in the direct vicinity of

Albemarle Corp.'s Silver Peak deposit and Tesla Motors Inc.'s Gigafactory and the recently acquired

Blue Clay Lithium Project in Clayton Valley Nevada where the Company has made an initial lithium

discovery.

Management cautions that past results or discoveries on properties in proximity to Sienna

may not necessarily be indicative to the presence of mineralization on the company's properties.

Qualified Person

Mr. Frank Bain, PGeo, a qualified person as defined by National Instrument 43-101 has reviewed and

approved the scientific and technical disclosure contained within this news release.

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/144690