NVRO Metals Announces Independent NI 43-101 Mineral Resource Estimate of 77.6 Million-Tonne Polymetallic Resource at the NVRO Metals Hub

Resource estimate supports near-term production strategy, long-term critical minerals development and deployment of the NVRO Process™

VANCOUVER, British Columbia, June 18, 2026 (GLOBE NEWSWIRE) -- NVRO Metals Limited (TSXV: NVRO), (“NVRO Metals” or the “Company”), a clean technology company focused on the recovery of precious and critical metals from sulfidic feedstock including ores, concentrates, mine waste and tailings, is pleased to announce the results of a draft independent mineral resource estimate (“MRE”) for the NVRO Metals Hub located in Australia’s Northern Territory following the completion of the Company’s previously announced acquisition (the “Acquisition”) of Northern Territory Resources Pty Ltd. (“NTR”).

The MRE has been prepared by Measured Group Pty Ltd (“Measured Group”), an independent mining consultancy that provides technical services and geographical modelling to the global mining industry, in accordance with National Instrument 43-101 – Standards of Disclosure for Mineral Projects (“NI 43-101”) and has an effective date of May 31, 2026. The final report from Measured Group is expected on or before July 10, 2026.

The MRE confirms a combined Mineral Resource of approximately 77.6 million tonnes (measured, indicated and inferred) grading 1.69% copper-equivalent (CuEq) across oxide and sulfide domains containing copper, cobalt, silver, lead, nickel and zinc. Management believes the MRE represents a significant milestone in the development of the NVRO Metals Hub and provides independent validation of the scale, quality and strategic significance of the asset being acquired by NVRO Metals as part of the NTR acquisition.

Measured Group’s analysis was supported by:

360,000 drill meters
5,761 drill holes
1.5 million assays
A $60 million historical spend on database collection

Importantly 94.2% of the combined resource is measured or indicated.

Based on the MRE the implied in-situ metal resources are:

The MRE establishes the resource foundation for the Company’s near term copper, cobalt and nickel production from the oxides, the development of the sulfide resource, testing of NVRO Process™ on the sulfide resource, potentially leading to long term production of Copper, Cobalt, Silver, Lead, Nickel and Zinc and development of the NVRO Metals Hub as a centralized critical minerals processing platform supporting the global critical minerals supply chain.

Highlights

• Combined Mineral Resource of 77.6 million tonnes grading 1.69% CuEq.
• Sulfide-domain Mineral Resource of 61.7 million tonnes grading 1.86% CuEq.
• Oxide Mineral Resource of 15.9 million tonnes grading 1.01% CuEq.
• Resource estimate consolidates Browns, Browns East, Area 55, & Mount Finch deposits within a tenement package held 100% by NTR.
• Metallurgical recovery assumptions incorporated into copper-equivalent calculations.
• Independent estimate prepared by Measured Group in accordance with NI 43-101 methodology.

Mineral Resource Summary

Methodology & Assumptions

• CuEq % = Cu% + Σ(metal grade × factor). Factor for base metals = (metal price x recovery %) ÷ Cu price (metals prices US$/lb).
• Silver factor converts g/t to value vs the value of 1% Cu per tonne (g/t ÷ 31.1035 g/oz × Ag$/oz, over 22.0462 lb × Cu$/lb).
• In-situ value basis based on forecast metallurgical recovery for every metal; no smelter / refining / freight deductions.
• Separate copper equivalents for Oxide and Sulfide resources were developed owing to different metallurgical recoveries.
• Oxide metallurgical recoveries: Cu 72%, Co 58%, Ni 21%.
• Sulfide metallurgical recoveries: Cu 87%, Co 77%, Ni 77%, Pb 90%, Zn 86%, Ag 86%.
• Pricing = CIBC long term consensus price as of June 1, 2026.
• Copper Oxide Equivalent = Cu% + (Co% x 4.25) + (Ni% x 0.51).
• Copper Sulfide Equivalent = Cu% + (Pb% x 0.2) + (Zn% x 0.25) + (Co% x 4.67) + (Ni% x 1.53) + (Ag g/t x 0.02)
• "Total (calculated)" rows are tonnage-weighted from the category grades and may differ at the 2nd decimal from the source-stated rounded totals (shown in grey for reference).
• Oxide carries no reported silver; Ag = 0 in oxide and combined silver grade is diluted by oxide tonnes accordingly.
• Source: consolidated Oxide & Sulfide Mineral Resource statements, effective May 31, 2026.

Notes to the Mineral Resource Estimate

1. The Mineral Resources for Browns Oxide, which forms part of the Oxide Mineral Resource, were modelled in Leapfrog Geo and reported at a 0.5% copper-equivalent cut-off.
2. The Sulfide-domain Mineral Resource was modelled in Leapfrog Geo and reported at a 0.7% copper-equivalent cut-off.
3. The Mineral Resources for Area 55, Mt Fitch and Browns East, which form part of the Oxide Mineral Resource, were estimated within mineralization wireframes built at a nominal 0.5% copper-equivalent cut-off; no further cut-offs were applied.
4. Mineral Resources that are not Mineral Reserves do not have demonstrated economic viability, and there is no certainty that all or any part of the Mineral Resources will be converted into Mineral Reserves.
5. Tonnage and grade have been rounded to reflect the accuracy of the estimate, and totals may not sum exactly due to rounding.
6. The MRE was prepared under the supervision of Troy Lowien, Principal Geologist of Measured Group, an independent Qualified Person within the meaning of NI 43-101.

Qualified Person
The scientific and technical information contained in this news release, including the draft mineral resource estimate disclosed herein, has been reviewed and approved by Troy Lowien, BASc. (Hons.), MAIG, Principal Geologist of Measured Group. Mr. Lowien is independent of the Company and is a “qualified person” as defined in National Instrument 43-101 – Standards of Disclosure for Mineral Projects. Mr Lowien is responsible for the mineral resource estimate. and has verified the underlying data, including QA/QC procedures, and is satisfied that the data is adequate for the purposes of the estimate. No limitations were imposed on Mr. Lowien’s data verification process, and Mr. Lowien considers the data adequate for the purposes of the mineral resource estimate.

Technical Report
The supporting technical report in respect of the MRE, prepared in accordance with NI 43-101, will be filed under the Company’s profile on SEDAR+ within 45 days, being the prescribed filing period.

Figure 1: The NVRO Metals Hub located in Australia’s Northern Territory.

About NVRO Metals Limited
NVRO Metals Limited is a technology company focused on the recovery of precious and critical metals from mine waste, tailings and complex sulfidic materials. Through its proprietary NVRO Process™, centralized processing infrastructure and commercial deployment strategy, the Company is building a scalable critical minerals production, processing and recovery platform supporting global supply chain security.