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Sienna Completes the First Phase of Drilling on the "Elko Lithium Project" in Elko County, Nevada

Exploration Programs

Sienna Completes the First Phase of Drilling

on the "Elko Lithium Project" in Elko County,

Nevada

Vancouver, British Columbia--(Newsfile Corp. - November 14, 2023) - Sienna Resources Inc. (TSXV:

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

has now been completed for the first phase on its recently acquired "Elko Lithium Project" in Elko

County, Nevada.

Samples are being prepared for delivery to the lab for assay.

Jason Gigliotti, President of Sienna states, "We are pleased that we were able to get this first phase of

drilling completed before the winter conditions take over the area.

We look forward to the data this first

phase of drilling will show on the project and will guide the next phase of drilling.

We have only worked on

a very small percentage of the acreage to date based on weather and have larger plans for the next

phase of work."

New Elko County Map

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

https://images.newsfilecorp.com/files/854/187264_bad09b66d44a394e_002full.jpg

About Sienna Resources Inc.

Sienna has recently acquired the "Elko Lithium Project" in Elko County, Nevada.

This project consists of

approximately 1200 contiguous acres directly bordering Surge Battery Metals' (NILI)

"Nevada North

Lithium Project" in Elko County, Nevada.

Sienna is also 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. 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 as Sienna is located in

the deepest section of this brine deposit. One other project Sienna has is 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.

Statements in this news release that are not historical facts are forward-looking statements.

Forward-

looking statements are statements that are not historical, and consist primarily of projections -

statements regarding future plans, expectations and developments.

Words such as "expects",

"intends", "plans", "may", "could", "potential", "should", "anticipates", "likely", "believes" and words of

similar import tend to identify forward-looking statements.

Forward-looking statements in this news

release include uncertainty of exploration and development plans regarding the property; commodity

price fluctuations; political or economic instability and regulatory changes; currency fluctuations, the

state of the capital markets; uncertainty in the measurement of mineral reserves and resource

estimates; the Company's ability to attract and retain qualified personnel and management; potential

labour unrest; reclamation and closure requirements for mineral properties and the availability of

capital to fund the Company's projects, as well as other risks and uncertainties identified under the

heading "Risk Factors" in the Company's continuous disclosure documents filed on SEDAR.

You are

cautioned that the foregoing list is not exhaustive of all factors and assumptions which may have been

used.

The Company cannot assure you that actual events, performance or results will be consistent

with these forward-looking statements, and management's assumptions may prove to be incorrect.

These forward-looking statements reflect current expectations regarding future events and operating

performance and speak only as of the date hereof and the Company does not assume any obligation

to update forward-looking statements if circumstances or management's beliefs, expectations or

opinions should change other than as required by applicable law. For the reasons set forth above, you

should not place undue reliance on forward-looking statements.

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/187264