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SIEN.V ·

Sienna to Focus on Lithium Projects in the Clayton Valley of Nevada

Corporate Updates

Sienna to Focus on Lithium Projects in the

Clayton Valley of Nevada

Vancouver, British Columbia--(Newsfile Corp. - October 20, 2022) - Sienna Resources Inc. ("Sienna" or

the "Company") (TSXV: SIE) (OTC Pink: SNNAF) (FSE: A1XCQ0) wishes to announce that going

forward the company will focus on the lithium projects in Nevada.

Lithium prices have continued to show

incredible strength all year and are currently at all-time highs today.

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

Project in Clayton Valley, Nevada (See map below).

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.

Jason Gigliotti, President of Sienna Resources, states: "We have made the decision to focus primarily

on the lithium projects in Nevada.

Management feels that these projects represent the best option for

growth going forward and with no other obligations on other projects, the company is far more razor

focused on the highest priority projects.

Lithium prices are at all-time highs so management feels that

this is the best path forward for our shareholders.

We are excited about the near and long term future of

Sienna in regards to the lithium focus."

Clayton Valley Map

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

https://images.newsfilecorp.com/files/854/141190_2a37919da4497939_002full.jpg

Sienna has not exercised any of the option agreements with EMX Royalty Corporation and no longer has

the projects or any financial obligations regarding the projects.

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 7.1-million-ounce palladium-equivalent 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/141190