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Metallis Outlines Eskay Creek Host Stratigraphy at Kirkham Property

Corporate Updates

METALLIS OUTLINES ESKAY CREEK HOST

STRATIGRAPHY AT KIRKHAM PROPERTY

VANCOUVER, BC

,

Sept. 13, 2023

/CNW/ -

Metallis Resources Inc.

(TSXV: MTS) (OTCQB:

MTLFF) (the "Company" or "Metallis") is pleased to announce that following a detailed re-evaluation

program conducted by the Company's geological team, Eskay Creek host stratigraphy has been

identified on the 100%-owned Kirkham Property (the "Property" or "Kirkham") situated in the prolific

Golden Triangle, northwestern

British Columbia

. In addition, several high priority exploration targets

have been defined. The Property is surrounded by neighboring Eskay Mining, Skeena Resources

and Garibaldi Resources, all of which currently have active explorations programs underway.

Dave Dupre P. Geo

., (Metallis, VP of Exploration) who was part of the discovery team at Eskay

Creek, stated, "We have identified several targets on our property that bear a solid likeness to the

unmistakable signature of the Eskay Creek Mine, one of the most profitable and highest-grade

mines of its time. These include targets where the Willow Ridge Mafic Unit capped the mineralized

"contact mudstone" target unit. This geological feature is incredibly vital to a successful discovery

because remnant Eskay Creek deposits will not have been eroded away where the mafic cap is still

present." He went on to add, "The most compelling targets occur in the north-central part of the

Property- north of Terwilligen Creek where rhyolite, alteration zones, gossans (oxidized sulphides),

radiometric potassium and geochemical anomalies and the capping Willow Creek Mafic Unit have

been mapped. These areas have seen very little exploration activity due to historic misinterpretation

of the geology and the extensive, but receding, glacial coverage."

2023 Property Update:

Terwilligan Creek has been identified as a high priority area due to mapping of Eskay Creek

horizon, geochronological age dating and favorable geochemistry; factors that lend themselves

to possible Eskay Creek mineralization;

Other targets offer early stage, cost-effective work programs, and have been highlighted for

follow-up. These including Fewright Creek,

Lyons

, and Mount Dunn (

Click Here to View Map

);

The Company's most developed asset, the Hawilson Copper-Gold Porphyry, continues to be

the Company's highest priority on the Property; and

Management looks to continue advancing the Property as it balances fiscal responsibilities.

Eskay Creek Targeting

During the Company's 2022 exploration season, two geochronological (fossil age dating) samples

were collected to better understand the stratigraphic setting of the geology surrounding the Hawilson

Porphyry. The Geological Survey of

Canada

confirmed one of the samples as Toarcian age and as

such, improved the likelihood of rare Eskay Creek aged rocks occurring on the Kirkham Property, a

possibility that was not previously considered. The geological team has since conducted a

comprehensive re-evaluation of historic datasets including past operators work as well as BC

Geological Survey mapping to define several high-quality targets that offer potential for Eskay Creek

stratigraphy and warrant further in-field assessment. Results from Eskay Mining's diligent work being

carried out across from our property border has demonstrated significant potential for similar Eskay

style mineralization and the team now recognizes that some of the favorable horizons trace along

strike to the Kirkham Property. Very minor reconnaissance exploration has been carried out over

these targets in the past.

Terwilligan

The highest priority exploration area for potential Eskay Creek stratigraphy on the Property occurs

on the northwestern corner of the Terwilligan headwaters at a location that had been previously

mapped by the BCGS. Age dating confirmed several Toarcian and Pliensbachian aged fossils on,

and just off the property, further confirming the location as being prospective. Interpretation of this

area using ZTEM data, along with structural measurements, confirm major synclines that could

reveal potential Eskay Creek host rock at this location.

Also at this prospect, a minor historic work program completed in 1990 returned elevated gold and

gold pathfinder elements in grab samples of rocks with assays up to 1 g/t Au*. This, when combined

with geological mapping, provides a compelling reason to do further work in the area.

Willow

A band of the Willow Creek Formation has been traced westward from the South Unuk – Harrymel

Creek fault onto the Kirkham Property in an area that has seen very little historic work. Much of the

favorable stratigraphy has been covered by glaciers but rapid retreat has exposed gossans which

may be indictive of weathered sulphides. Radio metric potassium anomalies are also identified in this

area.

Mount Dunn

To the west of the Hawilson Monzonite, on a broad bowl-shaped plateau at the southern end of the

structurally significant syncline, Metallis crews identified fossil specimens that were analysed as

Toarcian in age (174-182 Ma). This provides a third area of prospective ground for Eskay style

mineralization as Metallis field geologists have also identified rhyolites in the area, a key stratigraphic

marker at the Eskay Creek Deposit.

Fewright Creek

This creek that truncates the south end of the Hawilson Porphyry complex has revealed multiple well

mineralized boulders from past Metallis exploration programs. Identification of 1.4 g/t gold and 4.6%

copper in float as well a description of quartz, sericite, pyrite alteration (indicative of porphyry

mineralization) has been identified up-stream of the Hawilson Monzonite. This leads to the possibility

of other unidentified mineralized intrusions possibly related to the Hawilson Monzonite that have not

yet been discovered. Steep slopes and dense bush have hampered exploration on either side of the

creek in the past but provide prospective terrain for follow up.

Company Update

Fiore Aliperti

, Metallis' President, and CEO commented, "We have thoughtfully assessed the current

financial market conditions, and in consideration of the challenging landscape, we've made the

strategic decision to postpone a drill program at Kirkham this year. We have listened to our

shareholders and appreciate their concerns relating to the raising of "drilling" capital which, at these

levels, would considerably dilute shareholder positions. Instead, we have focused on developing our

target pipeline and continuing the advancement of the Kirkham Property. Pending available capital,

the company would like to complete work at the Eskay Creek stratigraphy targets, offering the

company significant future potential." He went on to add, "This strategic approach ensures that we

keep navigating these challenging times responsibly and safeguarding our investors' interests as we

work towards unlocking the full potential of this exceptional asset."

Eskay Creek Mine

Eskay Creek, located 15 km northeast of the Metallis property, was a prolific gold-silver mine that at

one point in time, was the highest-grade gold mine in the world.

Barrick Gold

operated the mine for

14 years from 1994 to 2008 with average grades of 45 g/t Au and 2,224 g/t silver taken from the

Volcanogenic Massive Sulphide (VMS) deposit. Explorationists in the area have searched extensively

for another Eskay style deposit as these VMS systems often form in clusters. Due to local

geological settings, glacial cover and overburden cover, the host stratigraphy is quite rare across the

region and has commonly been eroded away.

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.

Samples collected by Metallis have been submitted to independent certified laboratories together

with blanks and standards, all of which yielded acceptable results.

*

Historic assays cannot be verified by Metallis, although there is no reason to believe they are

inaccurate.

About the Kirkham Property

The wholly owned, 106 sq. km Kirkham Property is located about 65 km north of

Stewart, B.C.

, in

the heart of the Golden Triangle's prolific Eskay (Sulphurets) Camp. The Property is contiguous to

Garibaldi Resources Corp.'s E&L Nickel Mountain Project to the north and Eskay Mining Corp. to the

east. It is located along a strategic geological boundary – the "Red-line" exposed on the western

margin of the Eskay Rift system and is prospective for multiple mineral deposit types. The Kirkham

Property is within 20 km of the past producing Eskay Creek mine while the eastern border is within

12 – 20 km of Seabridge Gold's KSM deposits and Newcrest Mining's producing Brucejack mine.

About Metallis

Metallis Resources Inc. is a

Vancouver

-based company focused on the exploration of gold, copper,

nickel, and silver at its 100%-owned Kirkham Property situated in northwest

British Columbia's

Golden Triangle. Metallis trades under the symbols MTS on the TSX Venture Exchange, MTLFF on

the OTCQB Exchange, and 0CVM on the Frankfurt Stock Exchange. The Company has 60,544,312

common shares outstanding.

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/September2023/13/c3417.html

%SEDAR: 00025829E

For further information:

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

www.metallisresources.com

CO: Metallis Resources Inc.

CNW 09:00e 13-SEP-23