ONGold Initiates Infill Sampling Program to Recover Missing Tungsten and Gold Assays at Monument Bay for Enhanced Resource Modeling and Development

Press Release

Toronto, Ontario, September 2, 2025 – ONGold Resources Ltd. (“ONGold”) (TSXV:ONAU) (OTCQB:ONGRF) is pleased to announce that the company has initiated an infill sampling program targeting intervals not previously sampled for tungsten and gold throughout the Monument Bay deposit (“Monument Bay”) where tungsten could add a significant gold equivalent (“AuEq”) to future resource estimates on the project.  Tungsten, found in the form of scheelite mineralization in drill core throughout Monument Bay, has long been overlooked by earlier operators – evidenced by the fact that only 10% of the split core originally sampled for gold was assayed for tungsten content. With global demand for tungsten rising sharply, this presents a promising opportunity to unlock new value from Monument Bay.  The current market price is US$42,313 per metric tonne for tungsten oxide (WO₃ 99.95% high-grade purity); pricing based on the Chinese export market.

Tungsten is classified as a “High-Demand Critical Mineral” by Natural Resources Canadadue to its exceptional hardness and highest melting point among metals. When alloyed with steel, it significantly enhances strength and wear resistance. Tungsten is essential in the production of tungsten carbide cutting tools, electrical components, armor-piercing ammunition, aerospace and automotive engine parts, and radiation shielding in medical applications.

Recent field work has verified that the majority of historical drill core remains intact, has been inventoried and is securely stored at the core farm located at the Twin Lakes exploration camp at Monument Bay.  In addition, a substantial number of historical sample pulps have been preserved in long-term storage at a warehouse facility located in Thunder Bay.  A program is currently underway to collect over 13,400 pulps that need to be analyzed for tungsten; samples that all reside within the modelled gold domain of Monument Bay.  The realization of the need for infill sampling for tungsten, along with intervals of core requiring additional logging and splitting for gold analysis, underscores the need for a comprehensive infill sampling program. This initiative aims to recover critical gold and tungsten assay data across the deposit.  Incorporating these results into the database should help to expand the gold-tungsten resource for the main deposit.

Historically significant gold-tungsten intercepts have been returned from all six (6) steeply east plunging, north dipping shoots (see Figure 1 and Figure 2).  A large majority of core assayed for gold were not analyzed for tungsten.  The contouring of tungsten grades throughout the deposit clearly demonstrates that assaying to collect missing assays are critical to assessing the tungsten resource potential of this deposit (Figure 2).  Highlights include the following:

Camp Shoot:

• TL-05-275: 17.4m @ 2.05 g/t Au and 0.51% WO₃.
• TL-05-245: 3.1m @ 17.73 g/ Au and 0.86% WO₃.
• TL-03-107: 2.6m @ 14.02 g/t Au and 0.96% WO₃.
• TL-05-286: 3.6m @ 4.3 g/t Au and 0.85% WO₃.
• TL-05-269: 4.5m @ 49.13 g/t Au and 0.16% WO₃.
• TL-14-527: 5.0m @ 14.02 g/t Au and 0.29% WO₃.

River Shoot:

• TL-12-484: 3.0m @ 2.5 g/t Au and 1.18% WO₃ (see Figure 3).
• TL-13-509: 7.0m @ 1.86 g/t Au and 0.37% WO₃ including 0.28m @ 1.82 g/t Au and 11.12% WO₃.
• TL-18-668: 3.0m @ 15.68 g/t Au and 1.22% WO₃.
• TL-05-306: 3.1m @ 2.58 g/t Au and 0.53% WO₃.

Lake Shoot:

• TL-07-339: 5.0m @ 1.87 g/t Au and 0.44% WO₃.
• TL-02-83: 5.0m @ 1.61 g/t Au and 0.55% WO₃.

Simmons Shoot:

• TL-16-599a: 10.0m @ 2.34 g/t Au and 0.13% WO₃ (see Figure 4).
• TL-11-430: 3.0m @ 1.06 g/t Au and 0.42% WO₃.
• TL-13-506: 2.0m @ 2.82 g/t Au and 1.14% WO₃.

The drill holes intercepts for both gold and tungsten are presented below on Table 1A to 1D in this news release.  Kyle Stanfield CEO and Director of ONGold commented: “Our team has made exceptional progress evaluating the vast Monument Bay geological database.  We’re extremely excited to unlock the full potential of the Monument Bay deposit by collecting the remaining missing tungsten assays and further sampling mineralized core not previously sampled.  This critical step will allow us to monetize the tungsten thereby enhancing the overall value of this exceptional gold deposit and positioning Monument Bay as a compelling multi-commodity asset with a diverse resource”.

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