Founders Metals Expands Upper Antino; Hits 33.0 m of 3.50 g/t Gold

Vancouver, British Columbia – Newsfile Corp. – May 21, 2025 – Founders Metals Inc. (TSXV: FDR) (OTCQX: FDMIF) (FSE: 9DL0) (“Founders” or the “Company”) announces drill core assay results from the Antino Gold Project (“Antino” or “Project”) in southeastern Suriname (Figure 1). The Company reports high-grade gold mineralization at Upper Antino including 33.0 metres (m) of 3.50 grams per tonne (g/t) gold (Au) in drilling east of the Main Froyo Shear (“Froyo”). Additional drilling results extend gold mineralization north 125 m, increasing total strike length of Froyo to ~1.7 kilometres (Figure 2).

Drilling Highlights

  • Growth-focused drilling expands high-grade gold mineralization in parallel structures (Figures 2 & 3):
    • 33.0 m of 3.50 g/t Au and 19.0 m of 0.84 g/t Au (FR114)
    • 13.0 m of 2.00 g/t Au (FR082)
    • 4.0 m of 5.92 g/t Au (FR105)
  • Broad gold zones and 125 m northward extension:
    • 41.9 m of 1.06 g/t Au (FR099)
    • 12.0 m of 1.51 g/t Au and 22.5 m of 0.50 g/t Au (FR101), extending gold mineralization north in two parallel mineralized zones

Colin Padget, President & CEO, commented, “These results clearly demonstrate Upper Antino’s growth potential in multiple directions. Gold mineralization continues eastward over substantial intervals while our step-out drilling has successfully expanded the northern boundary by 125 metres. The two broad intervals in hole FR114 align well with our mineralization and structural models and suggest there is potential to ‘connect-the-dots’ between Froyo and Donut. Additionally, while we have seen some increases in assay turnaround times and have been focusing on certain corporate items, we anticipate releasing additional results from our earlier-stage exploration targets along-side a comprehensive overview in the coming weeks.”

Drilling continues to expand Upper Antino gold mineralization and Figure 4 provides a 12-month snapshot showing the growth of the mineralized footprint over that time. In this release, drill hole FR114 intersecting 33.0 m of 3.50 g/t Au, is one of several holes planned to target further eastward growth of Froyo gold mineralization and determine if additional parallel zones link Froyo with the Donut target. Drillhole FR101 intercepted two distinct zones of mineralization with the shallower 22.50 m interval of 0.5 g/t Au beginning at 27.60 m and potentially a new shear as the deeper 12 m of 1.51 g/t Au aligns well with the previously reported 8.0 m of 2.08 g/t Au in hole FR095. These are encouraging intercepts indicating additional northward potential and drill holes are planned further north to continue testing these structures.

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 surface and alluvial mining to date1. The Company is fully financed for up to 60,000 metres of drilling in 2025.

1 2022 Technical Report – Antino Project; Suriname, South America. K. Raffle, BSc, P. Geo & Rock Lefrançois, BSc, P.Geo.

Table 1: Drill Hole Assay Results

Hole ID From (m) To (m) Interval* (m) Au (g/t)
FR114 201.00 206.00 5.00 0.47
and 220.00 253.00 33.00 3.50
and 361.00 380.00 19.00 0.84
FR109 NSA
FR108 24.00 30.00 6.00 0.22
FR106 NSA
FR105 372.00 376.00 4.00 5.92
and 439.00 451.00 12.00 0.28
FR101 27.60 50.10 22.50 0.50
and 306.00 318.00 12.00 1.51
FR100 0.00 8.10 8.10 0.31
and 110.00 112.00 2.00 2.41
FR099 29.10 71.00 41.90 1.06
and 212.00 224.00 12.00 0.38
FR098 67.00 78.00 11.00 0.32
FR097 84.00 95.00 11.00 0.86
and 133.00 155.00 22.00 0.26
FR096 0.00 14.10 14.10 0.35
and 206.00 212.00 6.00 1.09
FR094 99.00 111.00 12.00 0.79
and 217.00 223.00 6.00 0.61
FR085 340.00 356.00 16.00 0.46
and 287.00 288.00 1.00 13.70
FR084 92.10 96.60 4.50 0.72
and 152.00 157.00 5.00 2.22
FR083 NSA
FR082 14.10 20.10 6.00 0.47
and 297.00 314.00 17.00 0.50
and 396.00 409.00 13.00 2.00
EV003 142.00 146.00 4.00 3.23
EV002 166.00 171.00 5.00 1.69
EV001 NSA

*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 Location

Hole ID Easting (m) Northing (m) Elevation (m) Azimuth (°) Dip (°) Depth (m)
FR114 817305.40 401269.27 150.73 250.20 -55.10 578.03
FR109 816949.97 401985.23 174.91 260.00 -50.40 305.00
FR108 817340.15 402062.76 240.08 260.00 -49.60 171.60
FR106 817242.90 402026.11 243.03 259.80 -50.00 285.40
FR105 817348.54 401449.94 205.99 250.40 -50.00 551.00
FR101 817140.66 402020.24 222.27 259.80 -50.00 332.00
FR100 817181.50 401652.99 152.07 259.90 -60.00 302.10
FR099 817020.28 401616.99 159.05 260.40 -69.80 317.06
FR098 816803.12 401776.65 161.39 259.70 -50.10 259.98
FR097 816854.85 401713.07 160.50 259.80 -50.50 293.14
FR096 816927.39 401661.02 161.00 260.00 -50.00 314.04
FR094 817042.86 401766.69 160.99 260.00 -45.00 317.00
FR085 817235.12 401493.15 209.93 250.20 -49.80 472.96
FR084 817339.38 400826.82 208.16 240.00 -55.00 362.00
FR083 817163.75 401453.62 214.58 249.60 -49.80 371.01
FR082 817249.02 401415.71 206.01 250.10 -50.00 439.80
EV003 817458.20 401129.11 162.83 235.63 -56.10 259.66
EV002 817475.32 400916.25 199.46 229.91 -50.84 275.04
EV001 817397.23 401073.51 176.66 233.97 -52.20 278.12

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

Figure 1: Antino Property Map

To view an enhanced version of this graphic, please visit:
https://images.newsfilecorp.com/files/7574/252894_dfc006ac9459eaf6_001full.jpg

Figure 2: Plan Map

To view an enhanced version of this graphic, please visit:
https://images.newsfilecorp.com/files/7574/252894_dfc006ac9459eaf6_002full.jpg

Figure 3: Cross-Section

To view an enhanced version of this graphic, please visit:
https://images.newsfilecorp.com/files/7574/252894_dfc006ac9459eaf6_003full.jpg

Figure 4: Upper Antino Gold Footprint – 12-month Snapshot

To view an enhanced version of this graphic, please visit:
https://images.newsfilecorp.com/files/7574/252894_dfc006ac9459eaf6_004full.jpg

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. Forward-looking information includes, without limitation, statements regarding the use of proceeds from the Company’s recently completed financings and the future or prospects of the Company. Generally, forward-looking information can be identified by the use of forward-looking terminology such as “plans”, “expects” or “does not expect “, “is expected “, “budget”, “scheduled”, “estimates”, “forecasts”, “intends”, “anticipates” or “does not anticipate”, or “believes”, or variations of such words and phrases or state that certain actions, events or results “may”, “could”, “would”, “might” or “will be taken”, “occur” or “be achieved”. Forward-looking statements are necessarily based upon a number of assumptions that, while considered reasonable by management, are inherently subject to business, market, and economic risks, uncertainties, and contingencies that may cause actual results, performance, or achievements to be materially different from those expressed or implied by forward-looking statements. Although the Company has attempted to identify important factors that could cause actual results to differ materially from those contained in forward-looking information, other factors may cause results not to be as anticipated, estimated, or intended. There can be no assurance that such information will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on forward-looking information. Other factors which could materially affect such forward-looking information are described in the risk factors in the Company’s most recent annual management discussion and analysis. The Company does not undertake to update any forward-looking information except in accordance with applicable securities laws.

All material information on Founders Metals can be found at www.sedarplus.ca.

The issuer is solely responsible for the content of this announcement.

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