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Sienna Completes the Acquisition of the "Silver Peak South Lithium Project" in Clayton

Mergers & Acquisitions

Sienna Completes the Acquisition of the

"Silver Peak South Lithium Project" in Clayton

Valley, Nevada

Vancouver, British Columbia--(Newsfile Corp. - June 13, 2023) - Sienna Resources Inc. (TSXV: SIE)

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

completed the acquisition of the Silver Peak South Lithium Project (the "SPSLP") in Clayton Valley,

Nevada, pursuant to the terms of the option agreement that was announced on December 14, 2022.

The

SPSLP is prospective for lithium and consists of approximately 1750 contiguous acres.

The SPSLP is

contiguous to Sienna's Blue Clay Lithium Project, making one large continuous block of approximately

4,700 acres

Clayton Valley Map

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

https://images.newsfilecorp.com/files/854/169724_7f0965ee74198bd6_002full.jpg

Jason Gigliotti, President of Sienna Resources Inc. states, "We are pleased to complete this acquisition

and we anticipate a drill program in Clayton Valley shortly. Sienna is a large landholder in Clayton Valley,

Nevada.

Clayton Valley is home to the only producing lithium mine currently in production in North

America.

We are very optimistic about the remainder of 2023 and expect a steady flow of news."

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). On

March 25, 2022, Sienna revealed a new lithium discovery on the Blue Clay Lithium Project. 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.

Sienna wishes to announce that it has entered into a services agreement (the "Agreement") with

CEO.CA Technologies Ltd. ("CEO.CA") to receive advertising services (the "Services") for a six (6)

month period, commencing June 1, 2023, for total cost of $52,500.

About Sienna Resources Inc.

Sienna is one of the larger landholders in Clayton Valley Nevada. Sienna's Clayton Valley projects

include the Blue Clay Lithium Project, the Silver Peak South Project, and the Clayton Valley Deep Basin

Lithium Project. The Clayton Valley is home to the only lithium production in North America, being

Albemarle Corp's Silver Peak deposit.

This project is also near Tesla Motors Inc.'s Gigafactory in

Nevada. On March 18, 2021, Schlumberger New Energy Venture announced the development of a

lithium extraction pilot plant through its new venture, NeoLith Energy in a strategic partnership with Pure

Energy. The deployment of the pilot plant will be in Clayton Valley, Nevada, USA. The NeoLith Energy

sustainable approach uses a differentiated direct lithium extraction (DLE) process to enable the

production of high-purity, battery-grade lithium material while reducing the production time from over a

year to weeks. Results from this pilot plant are expected in 2023 and could have a significant impact on

the brine prospects within Clayton Valley Nevada. Sienna also has the 'Marathon North Platinum-

Palladium Property' in Northern Ontario directly bordering Generation Mining Marathon Deposit.

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/169724