Amargosa Bauxite-Gallium Project Mineral Resource Estimate

Rhea-AI Summary

Brazilian Rare Earths (ASX:BRE / OTCQX:BRELY) released a maiden Mineral Resource Estimate for the Amargosa Bauxite‑Gallium Project on Oct 3, 2025. The deposit totals 568 Mt at 29.8% TAA, including 98 Mt direct‑ship bauxite at 41.9% TAA and a processed product pathway of 191 Mt at 40.8% TAA. The resource contains 27,098,000 kg of gallium (47.7 ppm). Key enablers: near‑term direct‑ship logistics to Enseada port (MoU), Bahia jurisdiction with 2–3 year permitting, existing highways, and planned FIOL rail integration. A Scoping Study is targeted by end‑2025.

Positive

• Maiden resource: 568 Mt at 29.8% TAA
• Direct‑ship: 98 Mt at 41.9% TAA
• Processed product: 191 Mt at 40.8% TAA
• Contained gallium: 27,098,000 kg (47.7 ppm)
• Logistics MoU: Enseada port mine‑to‑port agreement; highways ~160km to port; FIOL rail option
• High confidence: nearly 90% of direct‑ship resource classified as Indicated

Negative

• None.

Maiden Mineral Resource Estimate of 568 Mt, including 98 Mt Direct-Ship Bauxite; 27,098,000 kg contained Gallium

SYDNEY, Oct. 03, 2025 (GLOBE NEWSWIRE) -- Brazilian Rare Earths Limited (ASX: BRE / OTCQX: BRELY) (‘BRE’) is pleased to announce the release of a Maiden Mineral Resource Estimate at the Amargosa Bauxite-Gallium Project, defining a large-scale, high-quality bauxite province with premium alumina grades and significant contained gallium.

BAUXITE MINERAL RESOURCE ESTIMATE
568 Mt at 29.8% Total Available Alumina (TAA), including:
Direct-Ship Bauxite: 98 Mt at 41.9% TAA Processed Bauxite: 191 Mt at 40.8% TAA
Benchmark-grade bauxite: Direct-ship bauxite product specifications aligned to the Guinean benchmark for metallurgical bauxite – attractive to international refiners seeking high-quality supply from a reliable, stable jurisdiction Low RSI advantage: Low reactive silica index (RSI) lowers caustic consumption, improves alumina recovery, and is well-placed for tightening refinery feed specifications High-confidence geology: Nearly 90% of the direct-ship resource within the Indicated Mineral Resource category – higher geological confidence to support mine-planning and economic studies Processing uplift at scale: 470 Mt at 27.3% TAA, 6.2% RSI processed to 191 Mt product at 40.8% TAA, 2.7% RSI – potential capital-efficient pathway to export-grade bauxite

GALLIUM MINERAL RESOURCE ESTIMATE
568 Mt at 47.7 ppm: 27,098,000 kg contained Gallium
Strategic gallium opportunity: Resource hosts 27,098,000 kg of contained gallium – which positions Amargosa for emerging strategic supply chains essential for semiconductors, high-performance permanent magnets and defence applications

(Indicated + Inferred)	In-Situ Mineral Resources
	Tonnes (m)	TAA (%)		RSI (%)		Ga (ppm)	Ga (‘000 kg)
Direct Ship Bauxite	98	41.9%		2.5%		51.6	5,046
Beneficiable Bauxite	470	27.3%		6.2%		46.9	22,053
Total	568	29.8%		5.6%		47.7	27,098

(Indicated + Inferred)	Processed 20+ Mesh Product
	Tonnes (m)	TAA (%)		RSI (%)		Ga (ppm)	Ga (‘000 kg)
Beneficiable Bauxite	191	40.8%		2.7%		n.a.	n.a.
Total	191	40.8%		2.7%		n.a.	n.a.

Capital-Efficient, Direct-Ship Logistics and Scalability

• Leading jurisdiction: Amargosa located in Bahia, Brazil – supported by a mature regulatory framework, expedited licensing and permitting (2-3 years), and strong governmental support for mineral development
• Capital-efficient direct-ship opportunity: With 98 Mt of direct-ship bauxite (41.9% TAA; 2.5% RSI), Amargosa can initiate operations in the Northern District, leveraging established highways to the Enseada export port (~160km). Established highways extend these logistics to the Central District.
• Enseada port MoU: Partnership signed with Port of Enseada that covers mine-to-port export logistics for Amargosa bauxite
• High-quality infrastructure: Low-cost, renewable hydropower, with high-voltage transmission line access; multiple export-port infrastructure options; skilled local workforce; paved multi-lane federal and state highways; and planned FIOL rail integration to underpin rail-to-port expansion capacity
• Scalable growth pathway: 191 Mt processed bauxite (40.8% TAA; 2.7% RSI) provides large-scale bauxite expansion opportunities using the future FIOL railway and Porto Sul export port
• Exploration upside: Significant upside bauxite potential with an Exploration Target, supported by 56,919 metres of historical Rio Tinto drilling, providing a pipeline for further resource upside
• Strategic options: BRE advancing strategic options for Amargosa to unlock shareholder value - joint ventures, de-merger/spin-out or IPO - to focus on its world-class Rocha da Rocha high-grade rare earth province
• Next steps: Scoping Study by end-2025, bauxite upgrade test-work to assess upside in product grades, and resource drilling growth upside and optimisation

BRE Managing Director and CEO, Bernardo da Veiga, said:

“Amargosa’s maiden mineral resource estimate defines a large-scale, high-quality bauxite province with premium alumina grades and low reactive silica - a key advantage as global alumina refineries prioritise higher-quality bauxite specifications from reliable, stable jurisdictions.

With direct highway access to bulk-export logistics in a Tier-1 jurisdiction, we see a clear path to an early, capital-efficient direct-ship bauxite operation with the potential to scale to higher production via a large-scale processed bauxite opportunity. A near-term Scoping Study will map these exceptional development pathways and support long-term value creation options for Amargosa.”

The complete news release can be found here.

Contacts
Bernardo Da Veiga, Managing Director and CEO
investors@brazilianrareearths.com
www.brazilianrareearths.com
Sign up to our investor hub at investors.brazilianrareearths.com

FAQ

What size and grade did BRE report for Amargosa on Oct 3, 2025 (BRELY)?

BRE reported a maiden resource of 568 Mt at 29.8% TAA, including 98 Mt direct‑ship at 41.9% TAA.

How much gallium is contained in BRELY's Amargosa resource?

The resource hosts 27,098,000 kg of contained gallium (47.7 ppm).

What logistics and permitting advantages did BRE cite for Amargosa (BRELY)?

BRE cited an Enseada port MoU, ~160km highway access, planned FIOL rail, and 2–3 year permitting in Bahia.

What near‑term technical work did BRE commit to for Amargosa?

BRE targets a Scoping Study by end‑2025 plus bauxite upgrade test‑work and resource drilling to grow and optimise the resource.

What portion of the direct‑ship resource is Indicated in BRELY's release?

The release states nearly 90% of the direct‑ship resource is within the Indicated category.