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Great Atlantic Site Set Up for Bulk Sampling Program Targeting Early September as Official Start at its 100% Owned Golden Promise Gold Property, Central Newfoundland

Exploration Programs

Great Atlantic Site Set Up for Bulk Sampling

Program Targeting Early September as Official

Start at its 100% Owned Golden Promise Gold

Property, Central Newfoundland

Vancouver, British Columbia--(Newsfile Corp. - August 28, 2025) -

GREAT ATLANTIC RESOURCES

CORP. (TSXV: GR) (the "Company" or "Great Atlantic")

is pleased to announce its wholly owned

subsidiary, Golden Promise Mines Inc., has mobilized and set up a specialized large diameter drill for

drilling of a bulk sample at its Golden Promise Gold Property, located in central Newfoundland.

Site Setup at Golden Promise – Jacklyn Main Zone

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"Site setup at the Jaclyn Main Zone is now nearly complete. Testing of the world's first-of-its-kind

precision mining initiative, utilizing Novamera's technology, is about to begin. The minimal

environmental footprint and non-invasive approach to narrow vein mining are expected to significantly

reduce all-in sustaining costs (AISC). This positions Great Atlantic at the forefront of mining

innovation and as a key player in value creation within Newfoundland's gold sector. As they say -

fortune favors the brave," states

Mr. Anderson, CEO.

Bore Drill in Testing at Site (

Link Live Video)

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

https://images.newsfilecorp.com/files/3027/264207_greatatlantic1.jpg

The bulk sampling program is being conducted at the gold bearing Jaclyn Main Zone (JMZ), specifically

within an area of high-grade gold diamond drilling intercepts. The bulk sample will total up to 1000 cubic

meters (approximately 2,700 tonnes).

Site Setup at Golden Promise – Jacklyn Main Zone

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JMZ Bulk Sample Drilling Site

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The bulk sampling work at the JMZ is being funded in part by co-investment from DIGITAL,

Canada's Global Innovation Cluster for digital technologies, as part of a larger project that aims

to support data-driven and digital solutions within the mining sector.

The Link to the

announcement can be found

here

.

The bulk sampling program is being conducted in the west region of the JMZ. Golden Promise Mines

Inc. completed eight diamond drill holes during September - October of 2024 in the area of the bulk

sampling program. The eight holes were designed to target the JMZ between surface and approximately

100 meters vertical depth. High grade intercepts from this drilling included (core length) (see Company

news releases of November 19

th

, 2024, December 4

th

, 2024, January 8

th

, 2025, January 14

th

, 2025,

and January 20

th

, 2025):

GP-24-157: 34.47 – 35.00 meters (0.53 meters): 34.879 grams / tonne (g/t) gold

GP-24-160: 78.95 – 79.52 meters (0.57 meters): 19.121 g/t gold

GP-24-161: 82.56 – 83.00 meters (0.44 meters): 120.89 g/t gold

GP-24-162: 109.25 – 109.69 meters (0.44 meters): 60.206 g/t gold

GP-24-163: 37.00 – 37.80 meters (0.80 meters): 28.023 g/t gold

GP-24-164: 54.53 – 55.35 meters (0.82 meters): 42.708 g/t gold

GP-24-164 64.13 – 64.65 meters (0.52 meters): 39.180 g/t gold

Setting Up Bulk Sample Drill at JMZ

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Three additional close-spaced diamond drill holes were completed during December 2024 and April

2025 in this area of the JMZ in preparation for the bulk sample program, the program managed by

Novamera Inc.

The three drill holes included the use of Novamera's proprietary Guidance Tool,

providing increased data and resource knowledge to define the shape, geometry and continuity

of the vein(s). The Guidance Tool collects data within a 3-4 meters radius of the borehole to

create a high-resolution 3D model, which is then used to calculate the optimal drill trajectory for

Surgical Mining

TM

.

Great Atlantic reported a National Instrument 43-101 compliant inferred resource estimate

during late 2018 for the JMZ of 357,500 tonnes at 10.4 g/t gold (119,900 inferred ounces of gold -

uncapped)

(see Company News Release of December 6, 2018; and Sedar-filed National Instrument

43-101 Technical Report on the Golden Promise Property, Central Newfoundland (revised), dated

December 4, 2018 by Mr. Greg Z. Mosher, M.Sc. App., P.Geo., and Mr. Larry Pilgrim, B.Sc., P.Geo.).

Golden Promise Mines Inc. Gold Properties – Central Newfoundland

(Golden Promise and Adjacent Properties)

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The Golden Promise Property is the largest and most advanced of six central Newfoundland gold

properties owned by Golden Promise Mines Inc. and located within the Exploits Subzone of the

Newfoundland Dunnage Zone.

One of these properties (Golden Trust) is located within one

kilometer of the Valentine Gold Mine of Equinox Gold Corp. which is also located within the

Exploits Subzone.

Readers are warned that mineralization at the Valentine Gold Mine is not

necessarily indicative of mineralization at the Golden Promise Property or any of the other central

Newfoundland gold properties of Golden Promise Mines Inc.

David Martin, P.Geo., (New Brunswick and Newfoundland and Labrador), a Qualified Person as defined

by NI 43-101 and VP Exploration for Great Atlantic, approved the technical information contained in this

News Release.

On Behalf of the board of directors

"Christopher R. Anderson"

Mr. Christopher R. Anderson

President CEO Director

604-488-3900

Investor Relations:

1-416-628-1560

[email protected]

Never miss an update!

Follow Great Atlantic Resources Corp. on social media for project updates, photos, and much more.

LINKEDIN:

https://ca.linkedin.com/company/greatatlanticresources

X:

https://x.com/GreatAtlRes

FACEBOOK:

https://www.facebook.com/GreatAtlanticResources

INSTAGRAM:

https://www.instagram.com/greatatlanticresources/

YOUTUBE

:

https://www.youtube.com/@GreatAtlanticTV/

TIKTOK:

https://www.tiktok.com/@greatatlanticresources

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

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About Great Atlantic Resources Corp.:

Great Atlantic Resources Corp. is a Canadian exploration

company focused on the discovery and development of mineral assets in the resource-rich and

sovereign risk-free realm of Atlantic Canada, one of the number one mining regions of the world.

Great Atlantic is currently surging forward building the company utilizing a Project Generation model,

with a special focus on the most critical elements on the planet that are prominent in Atlantic Canada,

Gold, Copper, Zinc, Nickel, Cobalt, Antimony and Tungsten.

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

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This press release includes certain statements that may be deemed "forward-looking statements". All

statements in this release, other than statements of historical facts, that address future exploration

drilling, exploration activities and events or developments that the Company expects, are forward looking

statements. Although the Company believes the expectations expressed in such forward-looking

statements are based on reasonable assumptions, such statements are not guarantees of future

performance and actual results or developments may differ materially from those in forward-looking

statements. Factors that could cause actual results to differ materially from those in forward-looking

statements include exploitation and exploration successes, continued availability of financing, and

general economic, market or business conditions.

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.

Great Atlantic Resource Corp.

888 Dunsmuir Street - Suite 888, Vancouver, B.C., V6C 3K4

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

https://www.newsfilecorp.com/release/264207