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Onyx Gold Completes Yukon Drill Program and Launches Ontario Fall Exploration Activities Final Share Payment from Snowline Gold under Prior Property Option Agreement Received

Mergers & Acquisitions Property Options & Staking Exploration Programs

Onyx Gold Completes Yukon Drill Program and

Launches Ontario Fall Exploration Activities

Final Share Payment from Snowline Gold under Prior Property

Option Agreement Received

Vancouver, British Columbia--(Newsfile Corp. - October 5, 2023) -

Onyx Gold Corp. (TSXV: ONYX)

(OTCQX: ONXGF)

("

Onyx

" or the "

Company

") is pleased to announce the completion of its summer

exploration program at the King Tut Property ("

King Tut

") located in Yukon, Canada (

Figure 1

).

Field

crews have demobilized from King Tut and, after taking a short break, have headed to Onyx's Timmins,

Ontario, area gold projects for the start of the Company's fall exploration program.

"I am pleased to announce that we have successfully completed the first-ever drill program on our King

Tut Property situated in one of the most exciting emerging gold districts in Canada," said Brock

Colterjohn, President & CEO. "We are excited to now shift our focus to Ontario, where we intend to

undertake a fall exploration program, including a 4,000 meter diamond drill program at our Munro-

Croesus property, which is expected to commence in the upcoming weeks. We look forward to initial

Yukon results, expected towards the end of October, with continued results from Yukon and Ontario

released over the year."

Summary of Q3-2023 Yukon Program

The fully-funded Yukon exploration program focused on Phase 1 drill testing of the promising Main Tut

and Golden Mask gold-in-soil anomalies, which are associated with two separate intrusion-related gold

systems, as well as the execution of property-wide geophysical surveys, geochemical surveys, and

mapping and prospecting programs to refine drill targets and identify prospective area for future

exploration.

The Program results included 2,123 meters of diamond drilling in two completed holes at the Main Tut

target and seven completed holes and one lost hole on the Golden Mask target. All assay results are

currently pending from the drilling portion of the program.

The Company expects Yukon results to be

available for release towards the end of October and throughout the end of the year.

In addition to drilling, the program included 1,353 soil samples, 1,766 line-km of property-wide drone-

based magnetic geophysical surveying, property-wide high-resolution LiDAR topographic surveying, and

geological mapping, prospecting, and geochemical sampling.

Data from the various surveys is currently

being assessed by internal and external personnel and will be released in a timely manner once results

are determined.

Proposed Q4-2023 Ontario Program

The Company 100% owns a 335 km

2

portfolio of projects within Canada's premier gold camp, Timmins,

Ontario. The Company has now shifted its exploration focus to its Timmins portfolio, with soil sampling

and drone imagery currently underway at its flagship Munro-Croesus Gold Project. The Munro-Croesus

Gold Project is approximately 75 kilometers (47 miles) east of Timmins, proximal to the Porcupine-

Destor and Pipestone Faults and several multi-million-ounce gold deposits. The Munro-Croesus

property is also host to one of Ontario's highest-grade past-producing gold mines, which operated

between 1915 and 1936.

In 2022, a new, near-surface bulk-tonnage-style zone of gold mineralization was discovered at the Argus

Zone on the Munro Croesus property, approximately four kilometers along trend and northwest of Mayfair

Gold's multi-million-ounce Fenn Gib gold deposit. The fall program also plans for approximately 4,000

meters of diamond drilling, focusing on follow-up holes on the Argus Zone as well as new targets

proximal to the historic high-grade Croesus Gold Mine. Soil sampling and airborne drone-magnetic

geophysical surveys are also planned for the Timmins South Project.

Property Option Agreement with Snowline Gold Corp.

The Company is pleased to announce that it has received the final option payment of 150,000 shares

from Snowline Gold Corp. relating to a previous property option agreement entered into in 2021

between Snowline and Epica Gold Inc., a wholly owned subsidiary of Onyx Gold Corp. Under the option

Snowline acquired a 100% interest in 812 mining claims in five blocks collectively covering

approximately 16,500 hectares in the Eastern Tombstone Gold Belt, Yukon Territory. Onyx Gold retains a

1% NSR royalty on the claims.

Figure 1 - Tombstone Belt Gold Belt

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

https://images.newsfilecorp.com/files/9800/183004_936e120754c17be5_002full.jpg

Figure 2 - Onyx Gold's Land Position In Timmins, Ontario

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

https://images.newsfilecorp.com/files/9800/183004_936e120754c17be5_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/183004