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Delta Resources Completes Upsized 5,237-METRE Fall Drilling Program at the DELTA-1 GOLD Property and Announces Completion of High-Resolution Drone Mag Survey, Thunder BAY, Ontario

Exploration Programs

DELTA RESOURCES COMPLETES UPSIZED 5,237-METRE FALL DRILLING

PROGRAM AT THE DELTA-1 GOLD PROPERTY AND ANNOUNCES COMPLETION

OF HIGH-RESOLUTION DRONE MAG SURVEY, THUNDER BAY, ONTARIO

December 04, 2025 / Toronto, ON / Newsfile Corp Delta Resources Limited (“Delta” or “the

Company”) (TSX-V:DLTA) (OTC PINK:DTARF) (FRANKFURT:6GO1) is pleased to announce

that its 2025 fall drilling program at the Delta -1 Property, located 50 kilometres west of Thunder

Bay, Ontario, has been successfully completed. The program consisted of twenty -six (26)

diamond drill holes totaling 5,237 metres, exceeding both the originally planned meterage and

the number of holes. In addition to the previously announced target sectors, the final two holes of

the campaign were completed in the Wedge sector, a priority target area 5 kilometres west of the

Eureka Gold Deposit that had not previously been drilled by Delta Resources.

The fall drill program was designed to continue advancing the Company’s understanding of the

structural controls and extensions of mineralization surrounding the Eureka Gold Deposit, while

testing additional satellite zones to support potential future expansion. Drilling focused on high -

priority targets identified through 2025 surface mapping, sampling, and Induced Polarization (IP)

geophysical surveys.

Map of Fall-2025 Drill Hole Locations

Delta has also just completed a high -resolution drone magnetic survey to expand previous

coverage and support ongoing exploration efforts. The new data will help refine targets in

anticipation of follow-up drilling in both the Shabaqua target area and the Wedge sector.

Map of High-Definition Drone Mag Survey Areas

Ron Kopas, Interim Chief Executive Officer of Delta, commented:

“The drill campaign proceeded very efficiently and as a result, we were able to add a substantial

amount of drilling beyond what was initially planned. The expanded program allowed us to test

new target areas, including the Wedge sector, while continuing to evaluate extensions to the

Eureka Gold system. Due to the unexpectedly rapid pace of operations and minor core-cutting

issues at the outset of the program, the dispatch of samples to the laboratory experienced brief

delays; nevertheless, we expect to receive and report assays from this latest round of drilling

shortly.”

Assay results will be reported as soon as they are received, compiled, and have successfully

passed QA/QC review.

On Behalf of the Board of Delta Resources Limited

Qualified Person

Daniel Boudreau, P.Geo., Manager of Exploration at Delta Resources Limited, is the Qualified

Person as defined by National Instrument 43-101 and has reviewed and approved the technical

information contained in this press release.

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 release.

About Delta Resources Limited

Delta Resources is a Canadian mineral exploration and project development company focused

on its Delta-1 project in Ontario, where it has discovered a large, near-surface gold deposit

located 50 kilometres west of Thunder Bay, directly adjacent to the Trans-Canada Highway. The

Eureka Gold Deposit extends 2.5 km in strike length, from surface to over 300 metres in depth.

Highlights include drill intercepts such as 5.92 g/t Au over 31 metres (including 14.8 g/t Au over

11.9 metres), and 1.79 g/t Au over 128.5 metres. Mineralization has been observed up to 600

metres vertical depth and remains open in all directions. The property covers 297 square

kilometres containing multiple corridors of intense alteration and deformation on strike with, and

to the south of, the Eureka Gold Zone, many of which remain under-explored.

We seek safe harbour. Neither TSX Venture Exchange nor its Regulation Services Provider

accepts responsibility for the adequacy or accuracy of this release. The TSX Venture Exchange

has not approved nor disapproved the information contained herein.

For Further Information:

Frank Candido, Chairman

Tel: 514-969-5530

[email protected]

Ron Kopas, CEO (Interim)

[email protected]

Cautionary Note Regarding Forward Looking Information

Some statements contained in this news release are “forward -looking information” within the meaning of

Canadian securities laws. Generally, forward -looking information can be identified by the use of forward -

looking terminology such as “plans”, “expects”, “is expected”, “budget”, “scheduled”, “estimates”,

“forecasts”, “intends”, “anticipates”, “believes” or variations of such words and phrases (including negative

or grammatical variations) or statements that certain actions, events or results “may”, “could” , “would”,

“might” or “will be taken”, “occur” or “be achieved” or the negative connotation thereof. Investors are

cautioned that forward -looking information is inherently uncertain and involves risks, assumptions and

uncertainties that could cause actual facts to differ materially. There can be no assurance that future

developments affecting the Company will be those anticipated by management. The forward -looking

information contained in this press release constitutes management’s current estimates, as of the date of

this press release, with respect to the matters covered thereby. We expect that these estimates will change

as new information is received. While we may elect to update these estimates at any time, we do not

undertake to update any estimate at any particular time or in response to any event.