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Founders Metals Hits 27.0 m of 20.38 g/t Gold in First Step-Out Drilling on New West Zone at Antino

Drill Results Corporate Updates

Founders Metals Hits 27.0 m of 20.38 g/t Gold

in First Step-Out Drilling on New West Zone at

Antino

Vancouver, British Columbia--(Newsfile Corp. - September 9, 2026) -

Founders Metals Inc.

(TSXV:

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

Upper Antino-West Zone ("West Zone") at its Antino Gold Project ("Antino" or the "Project") in

southeastern Suriname (Figure 1). Hole FR251 returned

27.0 metres (m) of 20.38 grams per tonne

(g/t) gold (Au)

from 100.0 m, including 10.0 m of 43.26 g/t Au. The West Zone is located 1.2 kilometres

(km) west of the established Froyo Zone and was first intersected by discovery hole FR217,

approximately 50 m to the north, which returned

53.1 m of 1.21 g/t Au

from surface (

announced June 23,

2026

; Figure 2).

Colin Padget, President & CEO, commented

, "This ground has been part of Founders' land package

for less than a year. Going from adding it to the project, to drilling 27.0 metres of 20.38 g/t gold in FR251,

one of the best single intercepts in Antino's history, is a clear demonstration of the exploration potential

of this district. That result came from a disciplined process: airborne geophysics, auger sampling and

systematic follow-up of the resulting anomalies, the same approach we are applying across the rest of

Antino."

West Zone Highlights

High-grade gold at West Zone:

27.0 m of 20.38 g/t Au from 100.0 m in hole FR251, including

10.0 m of 43.26 g/t Au from 100.0 m (Figure 3).

Additional gold-bearing shear zone intersected to the west of FR251:

14.0 m of 1.63 g/t Au

from 119.0 m, including 2.0 m of 9.86 g/t Au (FR250).

Gold mineralization style similar to the Upper Antino-Froyo Zone:

gold is associated with

the same alteration, veining, and structural style that hosts the high-grade mineralization in the

Froyo Zone, including the recently announced 28.0 m of 14.27 g/t Au in drill hole FR249 (See

August 6, 2026

news release).

The West Zone is a priority target for the remainder of the 2026 drill program.

Five holes

were completed in this follow-up program; drilling is ongoing.

The West Zone lies 1.2 km west of the Froyo Zone, in ground that had not been drilled before May 2026.

Discovery hole FR217 returned 53.1 m of 1.21 g/t Au, hosted in steeply dipping, northwest-trending

structures similar in nature to the geological setting at Froyo. Today's results cover five follow-up

diamond drill holes (FR240, FR242, FR243, FR250 and FR251) designed to better understand the

nature of this mineralization and its potential strike extent. Gold mineralization at the West Zone is

associated with quartz-carbonate veining and pervasive sericite alteration. Visual estimates from core

logging indicate up to 10% pyrite and/or pyrrhotite as the dominant sulphides with locally minor

occurrences of visible gold within the main gold-bearing intervals.

Transaction Update

The Company's previously announced acquisition of Nana Resources N.V.'s remaining 30% interest in

Lawa Gold N.V. is proceeding as planned, with closing expected in the near term.

About Founders Metals Inc.

Founders Metals Inc. is a Canadian gold exploration company building a district-scale gold camp in

southeastern Suriname. The Company controls a 102,360-hectare contiguous land package in the

Guiana Shield - the largest uninterrupted package of highly prospective greenstone belt geology in the

region. Founders is executing one of the most active exploration programs in the global junior gold

sector and is backed by a strategic partnership with Gold Fields Limited. The Company is committed to

responsible exploration, strong community engagement, and disciplined capital allocation as it

advances Suriname's next major gold camp.

Figure 1: Antino Gold Project Property Map

1

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

https://images.newsfilecorp.com/files/7574/313547_d2b6792dc4ba39ec_001full.jpg

1

Results shown in Figure 1 were previously disclosed by the Company in news releases dated August 24, 2023; July 22, 2024; September 24,

2024; November 7, 2024; December 11, 2024; February 20, 2025; April 23, 2025; June 23, 2025; June 24, 2025; December 11, 2025; January 22,

2026; April 2, 2026; April 30, 2026; June 23, 2026; July 15, 2026; and August 6, 2026, each available on the Company's website and under its profile

at

www.sedarplus.ca

.

Figure 2: Upper Antino Plan Map

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

https://images.newsfilecorp.com/files/7574/313547_d2b6792dc4ba39ec_002full.jpg

Figure 3: West Zone Core Photos

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

https://images.newsfilecorp.com/files/7574/313547_d2b6792dc4ba39ec_003full.jpg

Table 1: West Zone Assay Results

Drillhole

From (m)

To (m)

Interval (m)

Au (g/t)

FR251

0.00

17.10

17.10

0.38

and

100.00

127.00

27.00

20.38

incl

100.00

110.00

10.00

43.26

and

137.00

143.00

6.00

1.22

incl

139.00

141.00

2.00

3.04

and

183.00

209.00

26.00

0.46

incl

184.00

189.00

5.00

1.37

FR250

119.00

133.00

14.00

1.63

incl

124.00

126.00

2.00

9.86

and

174.00

181.00

7.00

0.47

FR243

NSA

FR242

91.00

104.00

13.00

0.45

FR240

NSA

Drillhole

From (m)

To (m)

Interval (m)

Au (g/t)

Intervals are down-hole core lengths. All are diamond drill holes. True widths of mineralization are estimated to be approximately 80% of the down-

hole interval based on currently available results and observations. Interval average grades are calculated with un-capped gold assays, as

insufficient drilling has been completed to determine capping levels for higher-grade gold intercepts. Widths are calculated using a 0.10 g/t gold cut-

off grade with <5.0 m of internal dilution of zero grade material, and a minimum composite length of 2.0 m. Intervals below 3.0 gram-metre or

averaging below 0.2 g/t Au are omitted. NSA means No Significant Assays.

Table 2: West Zone Drill Hole Locations

Hole ID

Easting (m)

Northing (m)

Elevation (m)

Azimuth (°)

Dip (°)

Depth (m)

FR251

815974.50

400523.00

292.69

260.00

-50.00

275.00

FR250

815861.00

400498.00

311.42

260.09

-50.27

206.03

FR243

815580.00

400766.00

269.42

260.00

-50.00

227.00

FR242

815694.00

400787.50

281.44

260.00

-50.00

209.00

FR240

815816.00

400820.00

272.93

260.00

-50.00

206.13

Coordinates are reported in WGS 84 / UTM Zone 21N.

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: +1 604 712 1790 |

[email protected]

Costner Morrison, Director, Investor Relations

Tel: +1 604 404 9413 |

[email protected]

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 10.0 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. Diamond drill core is HQ diameter through oxide intervals

and predominantly NQ diameter in deeper drilling. All samples are half core, split using a diamond saw.

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.

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 Company's planned and ongoing drilling at the

Upper Antino-West Zone and the balance of its 2026 drill program, the characterization of targets as

priorities for future drilling, statements that mineralization remains open along strike and at depth, the

Company's expectations as to the potential scale of the Upper Antino-West Zone, the acquisition of

Nana Resources N.V.'s remaining 30% interest in Lawa Gold N.V., the geological interpretations

described herein including the interpreted orientation and continuity of mineralized structures,

expectations regarding true widths of mineralization, long term value creation 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: risks that the

parties may not close the Transaction or Gold Fields Investment as announced on August 19, 2026

within anticipated timelines, or at all; general business and economic uncertainties; exploration results;

the risk that additional drilling does not confirm the geological interpretations described herein; 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

http://www.sedarplus.ca

.

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

https://www.newsfilecorp.com/release/313547