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Yandal Resources

Ironstone Well-Barwidgee (IWB) Gold Project

 covers approximately 456 km² of highly prospective and under-explored tenure, located between the Jundee and Bronzewing mines in the northern Yandal Greenstone Belt of Western Australia. 

Yandal has an established Mineral Resource of 268,000oz of gold across the 

 deposit, and considers there to be strong potential for new regionally significant gold discoveries within the project area. 

Several attributes underpin this opportunity: 

Complex regolith conditions and transported made shallow exploration difficult for early explorers; 

The broader geological architecture was poorly mapped, providing an opportunity to identify unrecognised large-scale structures and geological features; 

The spatial distribution of major deposits across the northern half of the Yandal Greenstone Belt indicates a noticeable lack of large scale discoveries (a discovery gap) between Jundee and Bronzewing, right where Yandal Resources Project resides; 

The Yandal Resources Exploration team is well versed systematic targeting and exploration, with a strong focus on identifying large mineralised systems; 

The strategy is working, resulting in several new gold discoveries across 2024 and 2025; 

Yandal has focused on unlocking shareholder value through the targeting of new large-scale gold discoveries, with the clear potential for Mineral Resource growth. 

The IWB gold project area now includes two new gold discoveries, 

, made in Sept 2025 and Oct 2024 respectively. The Arrakis discovery is hosted within the Caladan Fold and the Siona prospect is hosted within the New England Granite. 

These discovery outcomes were generated from the execution of the revised targeting and exploration strategy developed in early 2023.  

Both discoveries are now being progressed through a mix of RC and diamond drilling focused on delineating the scale of each of the newly identified mineralised systems and demonstrating the capacity of the Yandal Greenstone Belt to yield new gold discoveries,  validating the Company's exploration strategy and methodology. 

Flushing Meadows is Yandal’s cornerstone MRE, hosting 268koz Au at 1.1g/t Au over approximately 1.9km of strike. Historically, drilling largely focused on shallow oxide and transitional mineralisation, leaving the fresh rock system below and adjacent to the resource relatively under-tested. Recent RC pre-collar and diamond drilling has identified mineralisation outside the current MRE footprint and confirmed fresh rock gold mineralisation at depth. These results are being used to refine the geological model and define targets for follow-up drilling.

During  May/June 2026, an eight hole (RC collar) diamond drilling program at 200m spacing across Flushing Meadows was undertaken. Assay results confirmed shallow oxide gold, outside the current MRE as well and fresh rock gold mineralisation to inform a revised geological model for the deposit. (see ASX releases 15 June 2026 and 25 June 2026)

Collectively these results and additional drilling will be used to delineate proximal exploration targets for follow-up drilling and scope to expand the scale of the Flushing Meadows deposit beyond the current 1.9km striking MRE.

In October 2024, a single line of air-core drilling was completed across the core of the Caladan target area, testing the central part of the CAL-01 anomaly (Arrakis Trend), with follow-up RC drilling completed in the March Quarter of 2025. Air-core drilling across the core of the Caladan fold returned:

RC drilling indicated potential for mineralisation continuity into fresh rock and a potential sub-vertical geometry.

In early June of 2025, the large-scale Caladan AC program commenced. The program saw drilling across ten lines, with a total of 132 holes for 13,458m of drilling completed during the Quarter. The air-core program tested a significant expanse of the Caladan target area, including 6.4km of strike.

Results from the air-core program were reported in July and August (see ASX releases 10 July 2025, 31 July 2025, and 8 August 2025). The results defined the more than 2.2km mineralised Arrakis trend based on significant intercepts, including:

The New England Granite target area comprises a 4.2km long, 2km wide granitoid, covered by 6-20m of transported cover that exhibits strong regolith gold anomalism in shallow historical drilling proximal to the intrusive margin. In October 2024, the Siona discovery was made (see ASX release dated 21 October 2024), demonstrating the capacity of the large intrusive body to host significant mineralisation. Since the discovery, the Company has focused on understanding the scale of the Siona Discovery and targeting similar positions across the expansive host.

Diamond drilling completed earlier in 2025 has allowed a detailed set of geological observations to be made; the most significant being that mineralisation develops wherever deformation occurs, both proximal and distal to the host intrusive margin.

Recent shallow RC drilling at Siona returned encouraging oxide gold intercepts southwest of the main Siona structure, including higher-grade intervals within a broad, flat-lying mineralised zone. Further drilling is planned to determine whether this shallow mineralisation is linked to a primary structure or represents secondary mineralisation within the weathered profile (ASX release 13 July 2026 RC Drilling Intercepts Shallow Gold at Siona).

RC exploration drilling program was completed across the Salusa Prospect on the southeast corner of the New England Granite (see ASX release 15 April 2025), including:

In January 2026, air-core drilling across the southern NEG intrusive returned multiple high-grade gold intercepts, including:

These results are associated with structural features and intrusive contacts, reinforcing the prospectivity of the broader intrusive complex.

Significant Intercepts from the RC pre-collars, all located outside of the current MRE, included:

Assay results from the first diamond hole, 

Heritage surveys are currently being scheduled to enable a program of air-core, RC, and diamond drilling to commence in the second half of CY2026.

FM 10525 C Section.png

Flushing Meadows10,525mN cross-section showing mineralised intervals from 26IWBRC0095D

FM 10125 C Section.png

Flushing Meadows10,125mN cross-section showing logged structures from 26IWBRC0098DA

Yandal has established Stilgar’s Camp and a dedicated core processing facility within the IWB project area. This infrastructure provides a safe and efficient base for the exploration team and supports the Company’s expanded 2026 drilling program across Arrakis, Flushing Meadows, Siona, Salusa and Giedi Prime.

In June 2024, a series of new high-priority targets were identified based on detailed gravity data collected by Yandal and a comprehensive analysis of open-file data. 

Air-core drilling defined Arrakis within an  extensive >2.2km regolith anomaly in mid-2025 and  potential for a large-scale gold system within a previously unrecognised structural corridor ~3km wide >8km long, identified from a 2024 from ground gravity survey. 

In early September 2025, a targeted seven-hole RC program commenced across Arrakis, testing below air-core intercepts that defined the more than 2.2km mineralised trend to confirm mineralisation continuity in fresh rock and assess the geometry of mineralisation.

RC drilling successfully confirmed primary fresh rock mineralisation with intercepts including:

The intercepts confirmed Arrakis as a new gold discovery with the capacity to host a regionally significant mineralised system.   

Subsequent drilling (RC and DD) has defined a 1.3km primary mineralised structure. Targeted closer-spaced RC and diamond drilling is now seeking to further define the high-grade trends and geological controls. 

Siona sgene 2.png

Siona cross-section showing mineralised intercepts from 26IWBRC0082, 26IWBRC0084 and 26IWBRC0086.

Yandal Greenstone Belt - Western Australia