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Metallis Resources Stakes 81 Claims over Prospective Geology at the Newly Acquired Greyhound Property

Mergers & Acquisitions Property Options & Staking

METALLIS RESOURCES STAKES 81 CLAIMS

OVER PROSPECTIVE GEOLOGY AT THE

NEWLY ACQUIRED GREYHOUND PROPERTY

VANCOUVER, BC

,

Feb. 29, 2024

/CNW/ -

Metallis Resources Inc.

(TSXV: MTS) (OTCQB:

MTLFF) (the "Company" or "Metallis") is pleased to announce that it has staked 81 additional mining

claims in the

State of Idaho

, increasing the size of the recently optioned Greyhound Property (the

"Property") to 677 hectares (See News Release dated

February 27, 2024

). This extended package

of lode claims now covers all historic mineralization at the past producing Greyhound and Bulldog

silver/gold mines, as well as encompassing prospective geology in underexplored terrain parallel and

along strike northward of the 3.6 km mineralized Greyhound Shear.

The new claims include a recently identified, important basin–like circular structure in the

northwestern area of the Property, along with outcrops of intermediate to felsic intrusive rocks

thought to be Laramide in age. A geological hypothesis is being explored that this circular feature is

related to a mineralized porphyritic stock belonging to the Great Falls Tectonic Zone as seen in other

major nearby deposits. Recent exploration successes in the region have demonstrated that silver

dominated vein deposits can be spatially related to large copper porphyry systems. With this in

mind, the team has identified a number of elevated historic copper grades from the northwesterly

end of the property. This geological concept would not have been understood when the majority of

the historical work took place and is something the Metallis technical team will continue to investigate

with further data compilation and future boots on the ground exploration.

The team has also taken note of elevated antimony grades identified in historic assays from the

Greyhound area. Multiple historic crude ore samples taken from the Greyhound Mine have returned

1-2 % antimony and suggest there may be potential for this unique strategic battery metal as

countries seek to expand their sources of critical minerals and develop local supply chains. Just 36

km northwest, along strike from the Greyhound property, resides Perpetua Resources' Stibnite

Mine, with mineral reserves of 5 million ounces of gold and significant antimony. Perpetua has

recently been the recipient of multiple government grants totaling over

US$40 million

to develop and

secure the antimony resource from their project.

New claims staked at the Greyhound Property (CNW Group/Metallis Resources Inc.)

Dave Dupre

, Vice President of Exploration for Metallis commented, "The aim of staking these new

claims was to ensure all exploration opportunities present on and around the Greyhound property

are accounted for. Not only have historic assays demonstrated economic grades similar to producing

mines in the region, the 3.6 km of untested strike length and indicators of other styles of

mineralization has really excited the team. We have lots of work to do as we look to unlock the many

opportunities this Property has to offer after it has sat idle for so many decades."

Qualified Person

David Dupre

, P.Geo, Vice President - Exploration and the Qualified Person, as defined by National

Instrument 43-101, has reviewed and approved the technical information contained in this release.

Note: The reader is cautioned that all measurements and metal grades are derived from previous

reports and

Metallis has not independently confirmed the results.

The similarity of values and

conservative approach does lend confidence to these values.

About the Greyhound Property

The recently acquired Greyhound Property is in

Custer County, Idaho

, approximately 42 km

northwest of the town of

Stanley

. This property was the center of an active silver mining camp in the

early 1900's and at one point contained a smelter and two active mines situated along a 3.6 km

mineralized shear zone. Since 1910, the property has seen limited exploration and only minor

development when the Greyhound Mine was reactivated and mined from 1980-1991. The last

remaining ore from this period was shipped to a smelter in 2000 and the property remains

substantially underexplored.

About Metallis

Metallis Resources Inc. is a

Vancouver

-based company focused on the exploration for gold, copper

and silver on its flagship 100%-owned Kirkham Property in

Canada

, situated in northwest

British

Columbia's

Golden Triangle, and on its recently acquired Greyhound Property, a gold/silver target in

Idaho, USA

.

Metallis trades under the symbols MTS on the TSX Venture Exchange, MTLFF on the OTCQB

Exchange, and 0CVM on the Frankfurt Stock Exchange.

On behalf of the Board of Directors:

/s/ "Fiore Aliperti"

Chief Executive Officer, President, and Director

CAUTION REGARDING FORWARD-LOOKING STATEMENTS

This Press Release may contain statements which constitute 'forward-looking' statements, including

statements regarding the plans, intentions, beliefs and current expectations of the Company, its

directors, or its officers with respect to the future business activities and operating performance of

the Company. The words "may", "would", "could", "will", "intend", "plan", "anticipate", "believe",

"estimate", "expect" and similar expressions, as they relate to the Company, or its management, are

intended to identify such forward-looking statements. Investors are cautioned that any such forward-

looking statements are not guarantees of future business activities or performance and involve risks

and uncertainties, and that the Company's future business activities may differ materially from those

in the forward-looking statements because of numerous factors. Such risks, uncertainties and

factors are described in the periodic filings with the Canadian securities' regulatory authorities,

including quarterly and annual Management's Discussion and Analysis, which may be viewed on

SEDAR at

www.sedarplus.ca

. Should one or more of these risks or uncertainties materialize, or

should assumptions underlying the forward-looking statements prove incorrect, actual results may

vary materially from those described herein as intended, planned, anticipated, believed, estimated,

or expected.

Although the Company has attempted to identify important risks, uncertainties and factors which

could cause actual results to differ materially, there may be others that cause results not to be as

intended, planned, anticipated, believed, estimated, or expected. The Company does not intend, and

does not assume any obligation, to update these forward-looking statements.

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in

policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this

release. The TSX-V Stock Exchange has neither approved nor disapproved the contents of this

news release.

SOURCE

Metallis Resources Inc.

View original content to download multimedia:

http://www.newswire.ca/en/releases/archive/February2024/29/c2009.html

%SEDAR: 00025829E

For further information:

Tel: 604-688-5077, Email: [email protected], Web:

www.metallisresources.com

CO: Metallis Resources Inc.

CNW 09:00e 29-FEB-24