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Antino Project

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Antino Gold Project
Zijin Mining Rosebel Mine
12.5 Moz
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11.8 Moz
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SARA CREEK
LELY
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Antino Gold Icon Antino Gold Project
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Antino Project

The Antino Gold Project

The Antino Gold Project is Founders Metals’ flagship asset — a district-scale exploration Project located in southeastern Suriname, within the heart of the Guiana Shield, one of the world’s most geologically endowed gold belts.

Covering over 20,000 hectares, Antino has a rich history of artisanal gold production with over 500,000 ounces historically produced on the project. Today, Founders is unlocking the project’s untapped potential through a modern, systematic exploration strategy designed to expand known mineralized zones and discover new targets across the Antino Project.

LEGEND
Antino Gold Project

Antino Gold Project

The Antino Gold Project is a gold exploration project located in southeastern Suriname, within the mineral-rich Guiana Shield – one of the world’s most prospective greenstone belts.

The Project spans 200 square kilometres and is positioned approximately 275 km southeast of Paramaribo, the capital of Suriname. The site is accessible year-round via a private airstrip at the Antino Camp or by barge along the Lawa River.

The Guiana Shield hosts several major gold deposits, many of which are situated within regionally extensive greenstone belts comprising of metamorphosed volcanic and sedimentary sequences intruded by granitic bodies.

In Suriname, the gold-rich greenstone belts extend throughout much of northeast and east portions of the country. At Antino, the project is underlain by volcano-sedimentary stratigraphy which is well-known to host large-scale gold deposits in the region. Notable projects include Rosebel (12.5 Moz) and Merian (11.8 Moz) mines.

Gold mineralization at Antino is associated with the Antino Shear Zone. Mineralization along this structure is associated with higher-order faults or splays that offer significant opportunity for new discoveries along strike.

Upper Antino

Upper Antino

Advanced Target

Upper Antino has seen the most drilling on the property to date and has been a major focus of the Company’s exploration strategy. The prospect has demonstrated consistent growth through step-out drilling to the east and along strike with a current mineralized footprint spanning ~1,700 m of strike length, ~400 m of width, and ~450 m vertical depth.

Drilling highlights at Upper Antino to date include:

  • 10.0 m of 24.46 g/t Au
  • 15.5 m of 30.72 g/t Au
  • 46.0 m of 5.31 g/t Au
  • 19.0 m of 14.23 g/t Au
  • 33.0 m of 3.50 g/t Au

Founders plans to drill ~25,000 m at Upper Antino in 2025 and has identified three major opportunities for growth: connecting the dots between Froyo and Donut, doubling the depth with deeper drilling, and extending north and south along strike.

Buese

Buese

Intermediate Target

Buese represents a high-priority, bulk-tonnage exploration target situated approximately 6 km southeast of Upper Antino. Gold mineralization occurs over broad intervals of moderate grade within and on the margins of tonalitic intrusive rocks. High-grade gold mineralization is also present at Buese, occurring mostly within high strain zones and breccias.

Drilling highlights at Buese to date include:

  • 20.0 m of 7.65 g/t Au
  • 21.6 m of 2.38 g/t Au
  • 6.0 m of 6.38 m g/t Au
  • 122 m of 0.55 g/t Au 
  • 139.0 m of 0.30 g/t Au

Founders’ drilling defines gold mineralization along ~2,000 m of strike and to depths of ~250 m at Buese. The Company’s current drilling plans at Buese focus on continued confirmation of bulk tonnage and high-grade shearing and expansion along strike of regional scale mineralizing structures.

Lower Antino

Lower Antino

Intermediate Target

Located ~ 4 km east of Upper Antino, the Lower Antino prospect is characterized by a 1,500 m wide by 2,000 m long gold anomaly with historical auger samples grading up to 49.30 g/t Au and grab samples up to 340.0 g/t Au. Drilling at Lower Antino has defined three parallel, northeast-trending gold zones that extend up to 700 m along strike. Lower Antino gold mineralization is consistently hosted in intensely sericite-altered, moderately sheared, tonalitic intrusive rocks with generally consistent grade distribution throughout the mineralized intervals.

Drilling highlights to date at Lower Antino include:

  • 81.9 m of 1.01 g/t Au, including 26.0 m of 2.36 g/t Au
  • 50.0 m of 1.02 g/t Au
  • 20.9 m of 1.11 g/t Au
  • 21.0 m of 1.00 g/t Au

With mineralization still open in all directions, Lower Antino remains a high-priority target for continued investment and advancement. 

Da Vinci

Da Vinci

Emerging Target

Da Vinci was discovered by Founders in December 2024 and is 10 km from Upper Antino along the same shear structure with seven of the first eight holes all having wide intersections of gold mineralization. Da Vinci occurs in mixed sequence of metasedimentary rocks with growing scale. Drilling has confirmed from surface gold mineralization over 150 m of strike and ~250 m true depth.

Drilling highlights to date at Da Vinci include:

  • 36.0 m of 2.21g/t Au
  • 67.0 m of 1.26 g/t Au
  • 28.5 m of 1.30 g/t Au
  • 25.0 m of 1.01 g/t Au

Follow-up drilling will further test mineralization along-strike and to the NE and SW for additional repeating structures and gold zones.

Maria Geralda

Maria Geralda

Emerging Target

Maria Geralda was discovered in June 2025 and is an emerging, drill-confirmed gold target situated approximately ~8 km southeast of Upper Antino. The drilling follows up on a systematic surface exploration program, including prospecting, mapping and augering programs that identified a 500 m by 400 m gold anomaly at surface where 54% of samples returned assays above 0.1 g/t Au. The third drill hole at Maria Geralda intersected 22.5 m of 11.88 g/t Au, the highest-grade interval outside of Upper Antino to date!

Founders plans to follow-up on the initial drill program in 2025 and believe there is significant expansion potential along strike and to depth.

Van Gogh

Van Gogh

Emerging Target

Van Gogh is located ~12 km southeast of Upper Antino and was initially discovered in January 2025 with a high-grade channel sample intersecting 17.8 m of 5.68 g/t Au. Follow-up drilling confirmed the high-grade gold mineralization with 28.5 m of 7.12 g/t Au and 72.0 m of 2.29 g/t Au within the first six drill holes on the property.

Gold mineralization at Van Gogh occurs within a ~30 m wide mylonite zone with up to 5 m intervals of strongly silicified country rock and quartz. The gold-rich intervals locally contain up to 15% sulphide (pyrite) and the highest-grade intervals are often associated with brecciation.

Founders intends to complete additional surface work first before continuing to drill. Given the scale and very high-grade nature of the initial Van Gogh results, the Company intends to return to Van Gogh to complete up to 3,500 m of drilling in 2025.

Parbo

Parbo

Emerging Target

Parbo is ~8 km east of Upper Antino and hosts an expansive 1,200 m x 700 m historical auger anomaly, where samples have returned grades up to 51.42 g/t Au.

Founders plans to begin a surficial exploration program by mid-July that includes up to 1,500 m of trenching, expansion of the historical auger grid, and detailed geological mapping. Following evaluation of results from this surficial program, the Company is planning a preliminary drill program of up to 2,000 m in 2025.

Lawa

Lawa

Emerging Target

Lawa is ~ 14 km southeast of Upper Antino target represents a major structural corridor with significant discovery potential, comprising over 8,000 m of mapped shearing and extensive artisanal workings. Gold mineralization occurs within sheeted tension vein arrays, presenting as both disseminated pyrite and visible free gold in sheared quartz veins that run sub-parallel to regional structures.

Recent exploration has yielded promising results, including channel sampling at Lawa North returning 27.0 m of 1.99 g/t Au. Initial drilling at Lawa South has consistently intercepted broad intervals of gold mineralization in all holes, including visible gold.

The Company plans comprehensive follow-up work including additional surficial exploration and an expanded drilling program. This systematic approach will help define the system's full potential while identifying the most prospective areas for higher-grade mineralization.

On-Site Infrastructure

The Antino Gold Project benefits from well-established on-site infrastructure that supports efficient exploration and development. Existing facilities include an operational camp, core logging and storage facilities, and an on-site laboratory to support ongoing work programs. The project area is accessible by both road and air, with an airstrip located nearby to facilitate the transport of people and supplies. This strong infrastructure foundation reduces costs, accelerates timelines, and positions Antino for rapid advancement.

Sponsorship of Local Geoscience Masters Program

Founders sponsors the Anton de Kom University of Suriname in support of the Masters program for Mineral Geosciences. The investment demonstrates our commitment to strengthening local technical expertise and ensuring access to higher education opportunities in Suriname. 

Commitment to Stakeholders

Founders Metals is deeply committed to creating lasting value for all stakeholders, including shareholders, employees, local communities, and partners. The Company prioritizes responsible exploration and development practices that respect the environment and support sustainable growth. Building strong relationships with local stakeholders is central to our approach, ensuring that our projects generate shared benefits and long-term opportunities. We are dedicated to operating with transparency, accountability, and integrity across every aspect of our business. By aligning our success with the interests of those around us, Founders strengthens trust and builds the foundation for enduring growth. This commitment to collaboration and responsibility is at the heart of our strategy in Suriname.

Project History

Q1 2023

Acquisition of Option Agreement on Antino

Founders Metals successfully acquired Option Agreement on Antino and started data compilation and drill planning

Q3 2023

Maiden Drill Program at Antino Begins

Commencement of Phase 1 drilling at Upper Antino; first assay results confirm near-surface high-grade gold mineralization including 12.0 m of 19.23 g/t Au and 15.5 m of 30.72 g/t Au

Q3 2023

C$1.7 M from Strategic Investor

1832 purchases 4,250,000 common shares in Founders Metals

Q2 2024

Founders Metals Appoints Carlos Bertoni as Technical Advisor

Mr. Bertoni has professional experience as a geologist that spans over 40 years in South America, Africa and Canada

Q3 2024

Founders Metals Acquires 51% of Antino

Stage 1 of Option Agreement completed, with Founders now owning 51% of Antino

Q3 2024

Drilling Success at Buese Target

Founders Metals hits on initial drilling program at Buese with 20.0 m of 7.65 g/t Au

Q3 2024

Founders Metals Appoints Chris Taylor as New Director

Mr. Taylor is a structural and economic geologist with over two decades of experience in both junior exploration and mid-tier mining companies

Q4 2024

B2Gold Invests C$12.1 Million

B2Gold takes strategic investment of 4.9% in Founders, further validating the project

Q4 2024

New Discovery at Lower Antino

The Company hits 81.9 m of 1.01 g/t Au in third drill hole at Lower Antino

Q4 2024

New Discovery of Da Vinci

Founders Metals hits 36.0 m of 2.21 g/t Au and 67.0 m of 1.26 g/t Au from surface

Q1 2025

New Discovery at Van Gogh

Drilling confirms high-grade mineralization with 28.5 m of 7.12 g/t Au and 72.29 m of 2.29 g/t Au

Q2 2025

Founders Metals Increases Ownership of Antino to 70%

Stage 2 of Option Agreement completed, with the company now owning 70% of Antino

Q2 2025

Fourth New Discovery on Antino at Maria Geralda

Founders Metals hits 22.5 m of 11.88 g/t Au in third hole at Maria Geralda

Founders 3-Stage Option Agreement

  Payments (USD) Shares Work Commitment (USD)
Stage 1 - for 51%        
Stage 1  total   $1,650,000   1,650,000   $6,000,000
Stage 2 - for 70%        
Stage 2 - total   $1,500,000   95,000   $10,000,000
  • Upon completion of Stage 2, Founders may either proceed with Stage 3 or decline immediately enter a joint venture with Nana, which would otherwise begin after Stage 3 is complete.
Stage 3 - for 75%      
Stage 3 total     $10,000,000
  • Founders exercised Stage 1 in September 2024 for 51% ownership of Antino
  • Founders exercised Stage 2 in June 2025 for 70% ownership in Antino
  • Upon satisfying the Option Agreement, Nana Resources and Founders Metals will form a joint venture, providing Founders with a potential pathway to increased ownership through dilution