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ONYX.V ·

Onyx Gold Provides Exploration Update at King Tut Property in Yukon

Exploration Programs

Onyx Gold Provides Exploration Update at

King Tut Property in Yukon

Vancouver, British Columbia--(Newsfile Corp. - September 11, 2023) -

Onyx Gold Corp.

(

TSXV:

ONYX

) ("

Onyx

" or the "

Company

") is pleased to provide an update on its ongoing exploration program

at the King Tut Property located in Yukon, Canada (Figure 1).

A fully funded drill program consisting of 8-10 diamond drill holes for a planned 2,500 meters is

underway and is expected to continue until mid to late September. Results are expected in mid-to-late

October and will be issued regularly throughout the remainder of the year.

Exploration Update:

Completion of Seven diamond drill holes (1,661 m) at the Main Tut and Golden Mask targets, with

drilling ongoing;

Collection of Over 1,350 soil samples looking to expand known gold-in-soil anomalies to identify

new targets for follow-up;

Completion of High-resolution LiDAR topographic surveying of the entire property;

Completion of 1,500 line-km of drone-based magnetic geophysical surveying, with preliminary

data generating several prospective targets to help guide current drilling; and

Mapping, prospecting, and geochemical sampling is ongoing.

"We are excited to be the first team drilling this prospective property," said Brock Colterjohn, President

& CEO. "We believe we are on the ground floor in this emerging Canadian gold district in the eastern

Tombstone belt, as well as being part of the larger Tintina Gold Province hosting many large bulk

tonnage gold systems with predictable exploration models (Figure 2).

This year's work is progressing

well, with our first core delivered for assaying with results expected in mid to late October."

Yukon Properties

Onyx controls a portfolio of greenfield gold properties in eastern Yukon, totaling 210 km

2

. The King Tut

Property is Onyx's most advanced and compelling property, located in the heart of an emerging reduced

intrusive-related gold district in Yukon's Selwyn Basin. Previous fieldwork identified large-scale undrilled

gold-in-soil anomalies in a comparable geological setting 50 km from Snowline Gold's Rogue/Valley

Discovery, one of Canada's most significant new gold discoveries.

Onyx commenced the first-ever drill program on the King Tut Property in late July of this year. Phase 1

drilling focused on testing the Main Tut and Golden Mask gold-in-soil anomalies which are associated

with two separate intrusion-related gold systems. Two drill holes were completed at the Main Tut target

(639 m), and five drill holes (1,022 m) have been completed at the Golden Mask target. Results are

pending.

In addition to drilling, Onyx has undertaken extensive geophysical and geochemistry surveys and

mapping and prospecting programs that have generated prospective targets for future drilling and other

exploration work. Preliminary data from the drone-based magnetic geophysical survey has been

processed and interpreted, and the results are helping guide current drilling and future exploration plans,

highlighting the significant upside potential of the King Tut Property.

Figure 1 - Tombstone Belt Gold Belt

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

https://images.newsfilecorp.com/files/9800/180176_33d014fae4268854_002full.jpg

Figure 2 - Reduced Intrusive Related Gold Systems (Red Dots) Within The Tombstone Gold Belt (Pink)

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

https://images.newsfilecorp.com/files/9800/180176_33d014fae4268854_003full.jpg

About Onyx Gold

Onyx Gold is an exploration company focused on well-established Canadian mining jurisdictions, with

assets in Timmins, Ontario, and Yukon Territory. The Company's extensive portfolio of quality gold

projects in the greater Timmins gold camp includes the Munro-Croesus Gold property, renowned for its

high-grade mineralization, plus two additional earlier-stage large exploration properties, Golden Mile

and Timmins South. Onyx Gold also controls four properties in the Selwyn Basin area of Yukon Territory,

which is currently gaining significance due to recent discoveries in the area. Onyx Gold's experienced

board and senior management team are committed to creating shareholder value through the discovery

process, careful allocation of capital, and environmentally/socially responsible mineral exploration.

On Behalf of Onyx Gold Corp.

"

Brock Colterjohn

"

President & CEO

For further information, please visit the Onyx Gold Corp. website at

www.onyxgold.com

or contact:

Brock Colterjohn, President & CEO

or

Nicole Hoeller, VP of Corporate Communications

Phone:

1-604-629-1165

or North American toll-free

1-855-629-1165

Email:

[email protected]

or

[email protected]

.

Website:

www.onyxgold.com

Twitter:

@OnyxGoldCorp

Neither 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

release.

Forward looking information: This news release includes certain "forward-looking information" within

the meaning of Canadian securities legislation and "forward-looking statements" within the meaning

of the United States Private Securities Litigation Reform Act of 1995 (collectively "forward looking

statements").

Forward-looking statements include predictions, projections, and forecasts and are often, but not

always, identified by the use of words such as "seek", "anticipate", "believe", "plan", "estimate",

"forecast", "expect", "potential", "project", "target", "schedule", "budget" and "intend" and statements

that an event or result "may", "will", "should", "could" or "might" occur or be achieved and other similar

expressions and includes the negatives thereof. All statements other than statements of historical fact

included in this release, including, without limitation, statements regarding the Company's planned

exploration programs and drill programs and potential significance of results are forward-looking

statements that involve various risks and uncertainties. There can be no assurance that such

statements will prove to be accurate and actual results and future events could differ materially from

those anticipated in such statements. Forward-looking statements are based on a number of material

factors and assumptions. Important factors that could cause actual results to differ materially from

Company's expectations include actual exploration results, changes in project parameters as plans

continue to be refined, results of future resource estimates, future metal prices, availability of capital,

and financing on acceptable terms, general economic, market or business conditions, uninsured

risks, regulatory changes, defects in title, availability of personnel, materials, and equipment on a

timely basis, accidents or equipment breakdowns, delays in receiving government approvals,

unanticipated environmental impacts on operations and costs to remedy same, and other exploration

or other risks detailed herein and from time to time in the filings made by the Company with securities

regulators. Although the Company has attempted to identify important factors that could cause actual

actions, events, or results to differ from those described in forward-looking statements, there may be

other factors that cause such actions, events, or results to differ materially from those anticipated.

There can be no assurance that forward-looking statements will prove to be accurate, and accordingly

readers are cautioned not to place undue reliance on forward-looking statements.

To view the source version of this press release, please visit

https://www.newsfilecorp.com/release/180176