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Adyton Resources Announces Filing of Ni 43-101 Technical Report ON Fergusson Island Gameta GOLD Project

Drill Results Resource Estimates

Adyton Resources Corporation Level 7, 300 Adelaide Street Brisbane QLD 4000 AUSTRALIA (PO Box 10582 Brisbane QLD 4000)

t: +61 (7) 3854 2389 e: [email protected]

TSXV: ADY | adytonresources.com

NEWS RELEASE

ADYTON RESOURCES ANNOUNCES FILING OF NI 43-101 TECHNICAL REPORT ON

FERGUSSON ISLAND GAMETA GOLD PROJECT

Brisbane, Australia – September 11, 2026 – Adyton Resources Corporation (TSX Venture: ADY, OTCQB: ADYRF,

FSE: 701GR ) (“ Adyton” or the “ Company”) announces that it has filed on SEDAR+ an independent National

Instrument 43 -101 ( Standards of Disclosure for Mineral Projects ) technical report titled “NI 43 -101 Technical

Report on Gameta Gold Project Fergusson Island, PNG”, effective July 12, 2026 (the “Technical Report”).

The Technical Report was prepared by Louis Cohalan (MAIG), of Mining One Pty Ltd., and who is an “Independent

Qualified Person” as defined by NI 43-101, and supports the updated mineral resource estimate for the Wapolu

Gold Project disclosed in the Company’s news release dated August 5, 2026.

The existing Gameta and updated Wapolu Mineral Resource Estimates are highlighted in Table 1:

Project

Indicated Inferred

Au Tonnes Au Au Tonnes Au

(g/t) (million) (koz) (g/t) (million) (koz)

Gameta exploration licence 1.41 8.94 404 0.99 6.52 207

Wapolu exploration licence 0.92 1.25 37 0.89 14.72 419

Fergusson Island Gold Project 1.35 10.19 441 0.92 21.24 626

Table 1: Gameta and Wapolu resources at 0.4g/t gold cut-off (see “About Adyton” for technical report references)

Technical Report and Qualified Persons

The Technical Report is available under the Company’s profile on SEDAR+ at www.sedarplus.ca and on the

Company’s website. Readers are encouraged to read the Technical Report in its entirety, including all

qualifications, assumptions and exclusions that relate to the Mineral Resource estimates. The technical report is

intended to be read as a whole, and sections should not be read or relied upon out of context.

Louis Cohalan (MAIG), of Mining One Pty Ltd., and who is an “Independent Qualified Person” as defined by NI 43-101,

has reviewed and approved the contents of this news release.

Dr. Chris Bowden, PhD, GCMEE, FAusIMM(CP), FSEG, the Chief Operating Officer and Chief Geologist of Adyton is a

“Qualified Person” under NI 43-101, has reviewed and approved the scientific and technical information contained in

this news release on behalf of the Company.

ON BEHALF OF THE BOARD OF ADYTON RESOURCES CORPORATION

Tim Crossley, Chief Executive Officer

For further information, please contact:

Tim Crossley, Chief Executive Officer

E‐mail: [email protected]

Phone: +61 7 3854 2389

Phone: +1 778 549 6768

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.

ABOUT ADYTON RESOURCES CORPORATION

Adyton Resources Corporation is focused on the development of gold and copper resources in world class mineral

jurisdictions. It currently has a portfolio of highly prospective mineral exploration projects in Papua New Guinea on which i t

is exploring to ex pand its identified gold Inferred and Indicated Mineral Resources and expand on its recent significant

copper drill intercepts on the 100% owned Feni Island project. The Company’s mineral exploration projects are located on

the Pacific Ring of Fire on eas y to access island locations which hosts several globally significant copper and gold deposits

including the Lihir gold mine and Panguna copper/gold mine on Bougainville Island, both neighboring projects to the

Company’s Feni Island project.

Adyton has a total Mineral Resource Estimate inventory within its PNG portfolio of projects comprising indicated resources

of 441,000 ounces gold and inferred resources of 2,086,000 ounces gold.

The Feni Island Project currently has a mineral resource prepared in accordance with NI 43 -101 dated October 14, 2021, which

has outlined an initial inferred mineral resource of 60.4 million tonnes at an average grade of 0.75 g/t Au, for contained gold of

1,460,000 ounces, assuming a cut-off grade of 0.5 g/t Au. See the NI 43-101 technical report entitled “NI 43-101 Technical Report

on the Feni Gold -Copper Property, New Ireland Province, Papua New Guinea prepared for Adyton Resources by Mark Berry

(MAIG), Simon Tear (MIGI PGeo), Matthew White (MAIG) and Andy Thomas (MAIG), each an independent mining consultant and

“qualified person” as defined in NI 43 -101,available under Adyton’s profile on SEDAR+ at www.sedarplus.ca. Mineral resources

are not mineral reserves and have not demonstrated economic viability.

The Fergusson Island Projects currently has a mineral resource prepared in accordance with NI 43-101, which outlined an indicated

mineral resource of 10.19 million tonnes at an average grade of 1.35 g/t Au for contained gold of 441,000 ounces and an inferred

mineral resource of 21.24 million tonnes at an average grade of 0.92 g/t Au for contained gold of 626,000 ounces, both inferred

and indicated resources used a 0.4g/t Au cut-off grade.

See the technical report dated July 12, 2026, entitled “NI 43-101 Technical Report on Gameta Au Project Fergusson Island, Papua

New Guinea” prepared for Adyton Resources by Louis Cohalan (MAIG), an independent mining consultant and “Qualified Person”

as defined in NI 43-101. This report will be filed on SEDAR+ at www.sedarplus.ca within 45 days of this release. Mineral resources

are not mineral reserves and have not demonstrated economic viability.

See the technical report dated January 7, 2026, entitled “NI 43-101 Technical Report on Wapolu Gold Project” prepared for Adyton

Resources by Louis Cohalan (MAIG), an independent mining consultant and “Qualified Person” as defined in NI 43-101. available

under the Company’s profile on SEDAR+ at www.sedarplus.ca. Mineral resources are not mineral reserves and have not

demonstrated economic viability.

For more information about Adyton and its projects, visit www.adytonresources.com

Forward-looking statements

This press release includes “forward‐looking statements”, including forecasts, estimates, expectations, and objectives for future operations that

are subject to several assumptions, risks, and uncertainties, many of which are beyond the control of Adyton. Forward‐looking statements and

information can generally be identified by the use of forward‐looking terminology such as "may", "will", "should", "expect", "intend", "estimate",

"anticipate", "believe", "continue", "plans" or similar terminology. Forward-looking statements in this news release include plans pertaining to

the drill program, the intention to prepare additional technical studies, the timing of the drill program, uses of the recent drone survey data, the

timing of updating key findings, the preparation of resource estimates, and the deeper exploration of high -grade gold and copper feeder

systems. The forward‐looking information contained herein is provided for the purpose of assisting readers in understanding management's

current expectations and plans relating to the future. Readers are cautioned that such information may not be appropriate for other purposes.

Forward‐looking information are based on management of the parties' reasonable assumptions, estimates, expectations, analyses, and opinions,

which are based on such management's experience and perception of trends, current conditions and expected developments, the receipt of

any necessary permits, licenses and regulatory approvals in connection with the future development of the projects in a timel y manner; the

availability of financing on suitable terms for the development; construction and continued operation of the Fergusson Island Project and the

Feni Island Project; the ability to effectively complete the drilling program; and Adyton’s ability to comply with all applicable regulations an d

laws, including environmental, health and safety laws.

Investors are cautioned that forward -looking statements are not based on historical facts but instead reflect Adyton’s management’s

expectations, estimates or projections concerning future results or events based on the opinions, assumptions and estimates of managements

considered reasonable at the date the statements are made. Although Adyton believes that the expectations reflected in such forward-looking

statements are reasonable, such information involves risks and uncertainties, and under reliance shou ld not be placed on such information, as

unknown or unpredictable factors could have material adverse effects on future results, performance or achievements expressed or implied by

Adyton. Among the key risk factors that could cause actual results to diffe r materially from those projected in the forward -looking statements

are the following: impacts arising from the global disruption, changes in general macroeconomic conditions; reliance on key personnel; reliance

on drilling; changes in securities markets; changes in the price of gold or certain other commodities; change in national and local government,

legislation, taxation, controls, regulations and political or economic developments; risks and hazards associated with the business of mineral

exploration, development and mining (including environmental hazards, industrial accidents, unusual or unexpected formations pressures, cave‐

ins and flooding); discrepancies between actual and estimated metallurgical recoveries; inability to obtain adequate insurance to cover risks and

hazards; the presence of laws and regulations that may impose restrictions on mining; employee relations; relationships with and claims by local

communities and indigenous populations; availability of and changes in the costs associated with mining inputs and labour; the speculative nature

of mineral exploration and development (including the risks of obtaining necessary licenses, permits and approvals from government

authorities); and title to properties. Investors are cautioned that any such statements are not guarantees of future performance and that actual

results or developments may differ materially from those projected in the forward‐looking statements. Such forward‐looking information

represents management’s best judgment based on information currently available. No forward‐looking statement can be guaranteed, and actual

future results may vary materially. Readers are cautioned not to place undue reliance on forward-looking statements or information. Adyton

Resources Corporation undertakes no obligation to update forward‐looking information except as required by applicable law.