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Founders Metals Expands High-Grade Gold Zone at Upper Antino with 46.0 m of 3.59 g/t Au & Deep Drilling Extends Mineralization to 500 m Vertical Depth

Drill Results

Founders Metals Expands High-Grade Gold

Zone at Upper Antino with 46.0 m of 3.59 g/t Au

& Deep Drilling Extends Mineralization to 500

m Vertical Depth

Vancouver, British Columbia--(Newsfile Corp. - August 11, 2025) -

Founders Metals Inc.

(TSXV: FDR)

(OTCQX: FDMIF) (FSE: 9DL0) ("Founders" or the "Company") announces drill core assay results from

its ongoing, fully funded 60,000 metre drilling campaign at the Antino Gold Project in southeastern

Suriname (Figure 1).

Colin Padget, President and CEO of Founders said, "We're seeing exciting results on multiple fronts at

Upper Antino. Ongoing drilling testing continuity and growth of high-grade domains within Froyo, hit an

impressive

46.0 metres of 3.59 grams per tonne gold

in FR120, and we are continuing to see

success in our eastward steps toward Donut. Early results from our deep drilling program

nearly

double the vertical depth of the Froyo Zone to over 500 metres from surface

, substantially

increasing the expansion potential at Upper Antino."

Upper Antino Drilling Highlights

Depth Extension Success:

First three deep holes

extend gold system to 500 metres vertical

depth

including:

8.0 metres (m) of 2.25 grams per tonne (g/t) gold (Au) from 597.0 m (FR115)

13.0 m of 2.10 g/t Au from 468.0 m (FR123)

21.0 m of 0.73 g/t Au from 458.0 m (FR118)

Continuity of High-Grade Domains:

46.0 m of 3.59 g/t Au from 174.0 m in Main Froyo Shear (FR120)

24.0 m of 2.03 g/t Au from 26.1 m in Parallel Shear (FR122)

Parallel shears between Froyo and Donut

:

28.0 m of 1.18 g/t Au from 332.0 m (FR126)

11.0 m of 2.32 g/t Au from 397.0 m (FR123)

Results Discussion

Recent drilling at Upper Antino is delivering strong results both at depth and along strike (Figure 2). The

standout FR120 intercept of 46.0 m of 3.59 g/t Au successfully targeted shallow plunging, northwest

trending orientation of a high-grade shoot along the main shear at Froyo (Figure 3) in a 50 m along-

strike step and serves to reinforce the continuity of these domains. Drill hole FR126 is the furthest east

step to date toward Donut and intersected a 28.0 m zone of 1.18 g/t Au.

Deeper drilling extends Upper Antino's shear-hosted gold mineralization to approximately 500 m vertical

depth, highlighted by 8.0 m of 2.25 g/t Au (FR115), 13.0 m of 2.10 g/t Au (FR123), and 21.0 m of 0.73 g/t

Au (FR118). These are encouraging initial results that confirm the continuation of this robust gold system

to depth. We note that gold-bearing intervals at depth are geologically similar in character to shallower

Upper Antino mineralization and Founders sees substantial opportunity to intercept new high-grade

domains in ongoing and future drilling along strike.

Emerging Targets Exploration Update

Maria Geralda has entered phase two drilling, with up to 2,000 metres of drilling planned to follow up on

the

previously reported

impressive results of 22.5 m at 11.88 g/t Au from hole MG003 (Figure 1). The

team has recently expanded the surface auger drilling program to cover 750 metres along strike of the

initial drilling area, and new surface exploration results are expected to be released soon.

Meanwhile, exploration activities are actively underway at the Van Gogh, Da Vinci, Lawa, and Parbo

targets (Figure 1), encompassing comprehensive surface exploration programs that include geological

mapping, rock sampling, channel and trench sampling, and deep auger drilling programs. As conditions

in the area begin to dry out, follow-up drilling at these targets is anticipated to commence in early Q4

2025.

Figure 1: Antino Property Map

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

https://images.newsfilecorp.com/files/7574/261970_a202d2e354338838_001full.jpg

Figure 2: Upper Antino Plan Map

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

https://images.newsfilecorp.com/files/7574/261970_a202d2e354338838_002full.jpg

Figure 3: Upper Antino Long Section

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

https://images.newsfilecorp.com/files/7574/261970_a202d2e354338838_003full.jpg

Table 1: Drill Hole Assay Results

Hole ID

From (m)

To (m)

Interval* (m)

Au (g/t)

FR126

44.1

60.6

16.5

0.33

and

332.0

360.0

28.00

1.18

FR123

271.0

308.0

37.00

0.67

and

295.0

305.0

10.00

1.06

and

368.0

370.0

2.00

6.08

and

397.0

408.0

11.00

2.32

and

468.0

481.0

13.00

2.10

and

659.0

663.0

4.00

1.40

FR122

26.1

50.1

24.00

2.03

FR121

36.6

42.6

6.00

2.37

and

267.0

278.0

11.00

0.88

FR120

174.0

220.0

46.00

3.59

and

355.0

371.0

16.00

0.39

FR118

250.0

253.0

3.00

5.83

and

347.0

351.0

4.00

0.91

and

458.0

479.0

21.00

0.73

FR115

398.0

404.0

6.00

1.20

and

597.0

605.0

8.00

2.25

*Intervals are down-hole depths. True widths of mineralization are estimated to be approximately 85% of the down-hole interval based on preliminary

results and observations. All are diamond drill holes.

Table 2: Drill Hole Locations

Hole ID

Easting (m)

Northing (m)

Elevation (m)

Azimuth (°)

Dip (°)

Depth (m)

FR126

817458.4

401319.4

166.0

250.1

-50.1

539.2

FR123

817350.5

401145.5

158.0

265.5

-65.2

756.7

FR122

817003.7

401453.0

168.0

270.0

-54.9

496.9

FR121

817005.0

401452.5

168.0

250.0

-55.2

355.9

FR120

817021.0

401332.5

218.5

250.1

-55.1

383.0

FR118

817247.3

401580.0

161.0

249.8

-55.2

602.1

FR115

817264.5

401357.8

184.7

250.3

-60.1

617.0

*The coordinate reference system is WGS 84, UTM zone 21N (EPSG 32621)

About Founders Metals Inc.

Founders Metals is a Canadian-based exploration company focused on advancing the Antino Gold

Project located in Suriname, South America, in the heart of the Guiana Shield. Antino is 20,000 hectares

and has produced over 500,000 ounces of gold from historical surface and alluvial mining to date

1

. The

Company is systematically advancing one of Suriname's most promising gold exploration and

development opportunities with drill-confirmed, district-scale potential. Founders is committed to

responsible exploration, community engagement, and delivering long-term value to shareholders through

technical excellence and strategic growth in the Guiana Shield.

1

2022 Technical Report - Antino Project; Suriname, South America. K. Raffle, BSc, P. Geo & Rock Lefrançois, BSc, P.Geo.

Quality Assurance and Control

Samples were analyzed at FILAB Suriname, a Bureau Veritas Certified Laboratory in Paramaribo,

Suriname (a commercial certified laboratory under ISO 9001:2015). Samples are crushed to 75%

passing 2.35 mm screen, riffle split (700 g) and pulverized to 85% passing 88 µm. Samples were

analyzed using a 50 g fire assay (50 g aliquot) with an Atomic Absorption (AA) finish. For samples that

return assay values over 5.0 grams per tonne (g/t), another cut was taken from the original pulp and fire

assayed with a gravimetric finish. Founders Metals inserts blanks and certified reference standards in

the sample sequence for quality control. External QA-QC checks are performed at ALS Global

Laboratories (Geochemistry Division) in Lima, Peru (an ISO/IEC 17025:2017 accredited facility).  A

secure chain of custody is maintained in transporting and storing of all samples. Drill intervals with visible

gold are assayed using metallic screening. Rock chip samples from outcrop/bedrock are selective by

nature and may not be representative of the mineralization hosted on the project.

Qualified Persons

The technical content of this news release has been reviewed and approved by Michael Dufresne,

M.Sc., P.Geol., P.Geo., an independent qualified person as defined by National Instrument 43-101.

ON BEHALF OF THE BOARD OF DIRECTORS,

Per:

"

Colin Padget

"

Colin Padget

President, Chief Executive Officer, and Director

Contact Information

Katie MacKenzie, Vice President, Corporate Development

Tel: 306 537 8903 |

[email protected]

Cautionary Statement Regarding Forward-Looking Information

This press release contains "forward-looking information" within the meaning of applicable Canadian

securities legislation, including statements regarding the use of proceeds from the Company's recently

completed financings and the Company's prospects. Forward-looking information can generally be

identified by words such as "plans", "expects", "is expected", "budget", "scheduled", "estimates",

"forecasts", "intends", "anticipates", "believes", or variations indicating that certain actions, events or

results "may", "could", "would", "might" or "will" occur or be achieved.

Forward-looking statements are based on management's current expectations and reasonable

assumptions but are subject to business, market, and economic risks, uncertainties, and contingencies

that may cause actual results to differ materially from those expressed or implied, including: general

business and economic uncertainties; exploration results; mining industry risks; and other factors

described in the Company's most recent annual management discussion and analysis. Although the

Company has attempted to identify important factors that could cause actual results to differ materially,

other factors may cause results not to be as anticipated. There can be no assurance that forward-looking

information will prove accurate, as actual results and future events could differ materially from those

anticipated. Accordingly, readers should not place undue reliance on forward-looking information. The

Company does not undertake to update any forward-looking information except in accordance with

applicable securities laws. Neither TSX Venture Exchange nor its Regulation Services Provider (as that

term is defined in policies of the TSX Venture Exchange) accepts responsibility for the adequacy or

accuracy of this release.

All material information on Founders Metals can be found at

www.sedarplus.ca

.

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

https://www.newsfilecorp.com/release/261970