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SIEN.V ·

Sienna Closes Placement with One Strategic Investor

Financings

Sienna Closes Placement with One Strategic

Investor

Vancouver, British Columbia--(Newsfile Corp. - October 30, 2024) - Sienna Resources Inc. (TSXV: SIE)

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

has closed its financing consisting of 5,555,555 flow-through shares for gross proceeds of $250,000. No

warrants were issued in the financing. An aggregate finders' fee of $15,000 was paid in connection with

the private placement. All the securities issued in connection with this private placement have a hold

period that expires on March 3, 2025. Proceeds will be used towards the Company's existing projects in

Ontario and or Saskatchewan. The private placement is subject to final approval of the TSX Venture

Exchange and was originally announced on October 21, 2024.

Jason Gigliotti, President of Sienna Resources Inc. stated, "We are very pleased to have closed this

placement with one strategic investor.

This will enable Sienna to commence operations on at least one

of our Canadian projects while preserving our hard dollars for our USA project and marketing.

The junior

market is starting to show strong signs of recovery and this is great time to restart operations."

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About Sienna Resources Inc.

Sienna has significantly increased acreage of the "Stonesthrow Gold Project", consisting now of

approximately 31,718 contiguous acres prospective for gold.

Sienna has also recently acquired the

"Case Lake West Cesium and Spodumene Pegmatite Project" in Larder Lake Mining division of

Ontario, Canada roughly 100 km north of Kirkland Lake, NE Ontario.

This project consists of

approximately 7,850 contiguous acres prospective for Cesium and Spodumene Pegmatites.

Sienna has

also just acquired the 10,357

acre "Uranium Town Project" bordering Denison Mines Corporation (DML,

DNN) ,

the now 23,134 contiguous acre "Dragon Uranium Project" bordering Cameco Corporation

(CCO, CCJ)

and the 55,440 acre "Atomic Uranium Project" in the world renowned Athabasca Basin of

Saskatchewan.

Also, Sienna has the "Elko Lithium Project" in Elko County, Nevada consisting of

approximately 1830 contiguous acres directly bordering Surge Battery Metals' (NILI) "Nevada North

Lithium Project" in Elko County, Nevada who announced the highest grade lithium deposit in the USA.

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 (NYSE: ALB) Silver Peak deposit.

This project is also near Tesla Motors Inc.'s (Nasdaq: TSLA)

Gigafactory in Nevada. On March 18, 2021, Schlumberger New Energy Venture (NYSE: SLB)

announced the development of a lithium extraction pilot plant with a strategic partnership with Pure

Energy (TSX.v: PE).

On September 10, 2024, SLB announced that the "Nevada demonstration plant

integrates direct lithium extraction (DLE), concentration and conversion technologies to sustainably

produce lithium at scale with integrated technology solution produces lithium from brine 500 times faster

than conventional methods while using significantly less land, water and chemical reagents with a

verified results confirm recovery rate of 96% lithium from brine at operational rates."

The success that

SLB achieved could have a significant future impact on the brine prospects within Clayton Valley Nevada

as Sienna is located in the deepest section of this brine 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.

NOT FOR DISTRIBUTION TO UNITED STATES NEWSWIRE SERVICES OR DISSEMINATION IN THE

UNITED STATES.

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.

NOT FOR DISTRIBUTION TO UNITED STATES NEWSWIRE SERVICES OR DISSEMINATION IN THE

UNITED STATES.

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