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Founders Metals Completes 36,000 Hectare Acquisition & Expands Upper Antino Gold Mineralization to 2.5 Kilometres

Drill Results Mergers & Acquisitions

Founders Metals Completes 36,000 Hectare

Acquisition & Expands Upper Antino Gold

Mineralization to 2.5 Kilometres

Vancouver, British Columbia--(Newsfile Corp. - November 20, 2025) -

Founders Metals Inc.

(TSXV:

FDR) (OTCQX: FDMIF) (FSE: 9DL0) ("Founders" or the "Company") announces that it has signed the

Definitive Agreement to acquire 100% ownership of the previously announced 36,000 hectare (ha)

exploration concession west of the Company's Antino Gold Project ("Antino" or the "Project") in

Southeastern Suriname (Figure 1). The acquisition expands the Project area to 56,000 ha and allows

Founders to restart northwestward expansion drilling of Upper Antino, which was previously stopped at

the concession boundary, but where historical auger gold anomalies support considerable potential

growth (Figure 2).

Founders also announces drill core assay results from its ongoing 60,000 metre (m) drill program. The

results extend Upper Antino gold mineralization to a total strike length of over 2,500 m, and include

intervals of

17.0 m of 3.06 g/t Au in hole FR157

and a broader,

near-surface interval of 60.0 m of

0.85 g/t Au

from a depth of only 8.1 m in hole FR172

.

Colin Padget, Founders' President & CEO, commented

: "This is a transformational period for

Founders - over the past two weeks, we've closed a C$50 million strategic investment from Gold Fields,

expanded the Antino land package to 56,000 hectares, and with today's results, demonstrated excellent

along-strike, progressive growth of gold mineralization at Upper Antino.

With a strong cash position, a proven exploration team, and clear ability to operate efficiently in

Suriname, Founders is well positioned to systematically explore our ever-growing land package of highly

prospective geology with the proven potential to host multi-million-ounce gold deposits. Our four drills are

currently turning at Da Vinci, Lower Antino, Parbo, and Upper Antino, with Van Gogh drilling planned to

begin shortly. Results from Maria Geralda and Parbo are expected in the coming weeks, followed by

results from other priority targets through Q4 and into early 2026."

Drilling Highlights:

250-metre Extension Along Parallel Gold Mineralization Continues Between Froyo and Donut

17.0 m of 3.06 g/t Au, including 4.0 m of 10.44 g/t Au

from 195.0 m (FR157), confirming

mineralization continues along strike to the southeast (Figure 2 & 3)

46.0 m of 1.03 g/t Au, within a broader 60.0 m interval of 0.85 g/t Au

from 8.1 m (FR172),

demonstrating near-surface mineralization with significant widths

14.0 m of 1.88 g/t Au

from 225.0 m (FR154)

Main Froyo Zone Drilling Demonstrates Vertical Continuity Along Multiple Structures

7.0 m of 11.74 g/t Au

from 197.0 m,

19.0 m of 1.18 g/t Au

from 133.0 m, and

4.0 m of 5.10 g/t

Au

from 109.0 m (FR173)

Definitive Agreement

Founders has signed a Definitive Agreement and closed the transaction announced on

October 31,

2025

to acquire 100% of the 36,000 ha Right of Exploration on the concession immediately west of

Antino with an arm's length Surinamese private company. Total consideration for the acquisition

comprises US$5.0 million (US$139/ha) in cash plus contingent milestone payments of: (1) US$1.0

million upon publishing a mineral resource estimate of 1 million or more ounces of gold, (2) a one-time

payment of US$2.50 per recoverable ounce defined in a completed Feasibility Study, and (3) US$2.50

per ounce produced beyond the Feasibility Study estimate.

Figure 1: Antino Gold Project Property Map

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

https://images.newsfilecorp.com/files/7574/275298_83fa948994944ab4_001full.jpg

Figure 2: Upper Antino Plan Map

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

https://images.newsfilecorp.com/files/7574/275298_figure%202.png

Figure 3: Oblique View & Long-Section of Upper Antino Drilling by Founders to Date

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

https://images.newsfilecorp.com/files/7574/275298_figure3.png

Table 1: Upper Antino Assay Results

Drillhole

From (m)

To (m)

Interval (m)

Au (g/t)

FR174

0.0

8.1

8.1

0.84

and

18.6

29.1

10.5

1.85

and

35.1

38.1

3.0

1.32

and

166.0

172.0

6.0

0.61

FR173

0.0

12.6

12.6

0.66

and

109.0

113.0

4.0

5.10

and

133.0

152.0

19.0

1.18

and

197.0

204.0

7.0

11.74

FR172

8.1

68.1

60.0

0.85

incl.

14.1

45.6

46.0

1.03

and

77.1

83.1

6.0

0.69

and

89.1

105.6

16.5

0.34

FR171

140.0

153.0

13.0

0.53

and

194.0

203.0

9.0

3.20

and

236.0

252.0

16.0

0.93

and

275.0

277.0

2.0

1.89

and

306.0

314.0

8.0

0.58

and

327.0

329.0

2.0

7.28

and

387.0

390.0

3.0

1.45

FR170

36.6

48.6

12.0

0.17

and

171.0

173.0

2.0

6.52

and

247.0

258.0

11.0

0.30

and

271.0

278.0

7.0

1.38

and

309.0

316.0

7.0

0.37

FR169

206.0

217.0

11.0

0.24

and

224.0

231.0

7.0

0.32

and

374.0

376.0

2.0

4.27

and

388.0

392.0

4.0

0.56

and

452.0

466.0

14.0

0.69

FR168

137.0

145.0

8.0

0.23

and

305.0

312.0

7.0

3.52

and

335.0

338.0

3.0

1.14

and

389.0

394.0

5.0

0.80

FR167

NSA

FR166

186.0

198.0

12.0

0.25

FR165

0.0

26.1

26.1

0.20

and

84.0

86.0

2.0

0.79

and

104.0

106.0

2.0

0.72

and

138.0

145.0

7.0

0.55

and

151.0

171.0

20.0

0.68

and

202.0

224.0

22.0

0.41

and

254.0

256.0

2.0

0.58

FR164

12.6

23.1

10.5

0.43

and

71.0

74.0

3.0

0.49

FR163

NSA

FR162

0.0

8.1

8.1

0.72

and

14.1

18.6

4.5

1.37

and

297.0

309.0

12.0

0.39

FR161

0.0

17.1

17.1

0.58

and

72.6

77.0

4.4

0.95

and

105.0

125.0

20.0

0.14

and

137.0

143.0

6.0

2.12

FR160

NSA

FR159

100.0

122.0

22.0

0.45

and

129.0

136.0

7.0

0.32

and

240.0

243.0

3.0

1.56

and

249.0

259.0

10.0

0.18

FR158

171.0

173.0

2.0

0.53

FR157

0.0

36.6

36.6

0.14

and

119.1

135.0

15.9

0.11

and

195.0

212.0

17.0

3.06

incl.

208.0

212.0

4.0

10.44

FR156

71.1

86.0

14.9

0.37

and

196.0

198.0

2.0

4.19

FR155

164.1

171.6

7.5

0.16

and

197.0

205.0

8.0

0.30

and

260.0

264.0

4.0

0.53

FR154

0.0

30.6

30.6

0.23

and

113.0

117.0

4.0

1.34

and

182.0

186.0

4.0

1.18

and

225.0

239.0

14.0

1.88

and

248.0

253.0

5.0

0.22

FR153

69.6

84.6

15.0

0.56

and

143.0

147.0

4.0

0.92

FR152

131.0

135.0

4.0

0.29

and

162.0

174.0

12.0

0.21

and

222.0

232.0

10.0

0.82

FR151

0.0

12.6

12.6

0.43

and

18.6

21.6

3.0

0.90

and

101.0

107.0

6.0

3.88

and

156.0

162.0

6.0

0.48

and

205.0

215.0

10.0

0.66

and

232.0

234.0

2.0

0.56

FR150

12.6

24.6

12.0

0.30

and

51.6

60.6

9.0

0.15

and

68.1

86.1

18.0

0.23

FR149

NSA

FR148

1.5

9.6

8.1

0.14

and

45.6

54.6

9.0

0.37

and

144.0

148.0

4.0

1.42

FR147

NSA

FR146

185.0

187.0

2.0

0.56

and

193.0

196.0

3.0

1.21

and

310.0

322.0

12.0

0.59

and

328.0

339.0

11.0

0.14

Drillhole

From (m)

To (m)

Interval (m)

Au (g/t)

FR145

NSA

FR144

53.1

56.1

3.0

0.59

FR143

242.0

245.0

3.0

0.68

and

331.0

340.0

9.0

0.13

FR142

NSA

FR141

56.1

72.6

16.5

0.21

FR140

0.0

12.6

12.6

0.23

and

85.0

87.0

2.0

0.58

and

235.0

237.0

2.0

1.76

FR139

100.0

115.0

15.0

0.38

FR137

173.0

195.0

22.0

0.20

and

211.0

235.0

24.0

0.16

FR136

96.6

101.1

4.5

0.25

FR135

14.1

30.6

16.5

0.14

and

136.0

151.0

15.0

0.20

and

199.0

211.0

12.0

0.18

and

267.0

271.0

4.0

0.32

FR133

80.1

98.1

18.0

0.37

and

260.0

269.0

9.0

0.12

FR131

NSA

FR128

287.0

296.0

9.0

0.30

and

434.0

443.0

9.0

0.36

and

464.0

468.0

4.0

0.60

and

499.0

501.0

2.0

0.84

FR125

68.1

89.1

21.0

0.15

FR119

0.0

20.1

20.1

0.14

and

41.1

48.6

7.5

0.14

FR117

0.0

20.1

20.1

0.47

and

32.0

34.0

2.0

0.74

FR116

0.0

15.6

15.6

0.60

and

90.0

100.0

10.0

0.34

and

384.0

406.0

22.0

0.24

Drillhole

From (m)

To (m)

Interval (m)

Au (g/t)

*

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

available results and observations. All are diamond drill holes

.

Average grades are calculated with un-capped gold assays, as insufficient drilling

has been completed to determine capping levels for higher grade gold intercepts. Average widths are calculated using a 0.10 g/t gold cut-off grade

with <5.0 m of internal dilution of zero grade, and a minimum composite length of 2.0 m. Nothing included in table <1 gram * metre.

Table 2: Upper Antino Drill Hole Locations

Hole ID

Easting (m)

Northing (m)

Elevation (m)

Azimuth (°)

Dip (°)

Depth (m)

FR174

817152.32

401033.17

153.10

235.20

-50.30

305.00

FR173

817150.50

401036.04

153.11

280.30

-60.20

300.50

FR172

817360.90

400743.63

214.27

240.20

-50.30

200.00

FR171

817279.74

401321.61

175.01

249.50

-50.30

405.00

FR170

817498.60

400824.54

210.37

240.10

-50.30

323.01

FR169

817280.06

401321.72

174.93

249.90

-70.00

487.13

FR168

817352.17

401142.64

158.03

259.70

-55.30

452.00

FR167

817387.24

401615.58

155.73

249.7

-50.30

251.00

FR166

816910.55

400589.80

220.85

270.40

-50.10

199.95

FR165

817290.04

400981.86

168.28

240.10

-70.10

308.00

FR164

816972.57

401799.60

163.18

80.00

-50.00

308.00

FR163

817449.12

401548.35

196.88

249.90

-50.30

252.62

FR162

817248.65

401620.98

150.93

260.00

-50.40

322.96

FR161

817289.64

400981.64

168.26

239.90

-50.30

371.00

FR160

816819.74

400824.49

220.68

270.00

-50.00

201.50

FR159

816889.04

401594.43

178.62

260.10

-70.50

519.54

FR158

816950.53

400815.48

210.36

270.00

-49.90

221.00

FR157

817327.97

400887.57

209.87

240.10

-50.00

269.00

FR156

816888.50

401593.00

179.62

260.10

-50.30

435.60

FR155

817872.05

399983.62

202.59

270.20

-50.00

302.00

FR154

817413.32

400942.87

194.36

240.10

-50.00

258.38

FR153

817278.66

400924.86

178.20

240.00

-50.40

374.00

FR152

817676.96

400156.07

200.63

270.00

-49.80

251.00

FR151

817382.22

400989.82

185.59

240.40

-50.40

240.54

FR150

817548.70

400656.37

214.14

270.00

-50.00

200.00

FR149

817826.05

400163.99

208.00

269.90

-49.90

275.00

FR148

817435.67

400658.27

215.47

270.10

-49.90

227.00

FR147

817954.52

400164.04

200.21

270.30

-50.20

299.00

FR146

816941.02

401353.16

233.14

260.40

-75.00

551.01

FR145

817324.83

400661.86

216.61

269.90

-50.20

200.00

FR144

817533.32

400403.47

208.31

269.90

-50.00

302.00

FR143

816941.28

401353.08

233.14

260.10

-65.10

501.00

FR142

817454.89

401131.61

164.13

260.00

-50.20

173.03

FR141

818176.07

400167.63

203.00

270.00

-50.10

349.87

FR140

817636.75

401164.46

155.35

259.80

-50.20

272.09

FR139

817687.97

400402.89

205.99

270.20

-49.90

250.59

FR137

817786.58

401205.06

156.50

259.80

-50.00

301.98

FR136

817816.78

400411.92

204.83

270.30

-49.80

202.96

FR135

817639.22

401381.32

155.97

250.20

-50.10

322.98

FR133

817969.65

400366.88

206.16

270.30

-50.00

304.95

FR131

818160.06

400381.95

204.98

270.00

-50.30

357.53

FR128

818254.31

400003.46

194.77

270.10

-50.20

560.08

FR125

818029.09

399996.97

176.43

270.40

-50.10

290.20

FR119

817221.99

400866.81

179.97

229.80

-65.00

476.00

FR117

817162.88

400985.76

154.05

245.00

-60.00

414.82

FR116

817163.00

400986.16

153.99

250.20

-69.80

464.00

Hole ID

Easting (m)

Northing (m)

Elevation (m)

Azimuth (°)

Dip (°)

Depth (m)

*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 56,000 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.

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]

Harp Gosal, Director, Investor Relations

Tel: 236 301 4211 |

[email protected]

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.

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.

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