# GT1: Annual Report to shareholders Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/gt1-annual-report-to-shareholders--a4bcb82e-6468-439a-8186-b3eb2256dbfc Original source: https://www.asx.com.au/asx/v2/statistics/displayAnnouncement.do?display=pdf&idsId=03145512 Publisher: asx Original announcement: 2026-09-29T07:32:00.000Z Analysis by Minestarters Atlas Atlas analysis published: 2026-09-29T14:39:59.013Z Atlas analysis updated: 2026-09-29T14:39:59.013Z - Company: Green Technology Metals Limited - Ticker: GT1 - Exchange: ASX - Region: Ontario, Canada - Primary commodity: Lithium - Secondary commodities: Rubidium, Tantalum - Document categories: Resource update, Metallurgy, Other - Extracted: 2026-09-29 14:39:59 UTC Narrative sentiment: 0.90 · Bullish ## Minestarters Atlas summary Green Technology Metals Limited reported a pivotal year marked by significant de-risking milestones, including the successful production of battery-grade lithium hydroxide from Seymour spodumene concentrate with over 94% recovery. The company also announced a maiden JORC-compliant rubidium resource at Seymour, positioning it as a globally significant project, and identified tantalum as another potential byproduct. These achievements, coupled with strong government support and progress towards a Final Investment Decision for the Seymour project, underscore the company's advancement in building an integrated North American lithium business. Reasoning: The company reported successful production of battery-grade lithium hydroxide, a maiden rubidium resource, and identified tantalum as a potential byproduct, all supported by strong government backing and progress towards a Final Investment Decision for the Seymour project, significantly de-risking its integrated North American lithium business. - Positive factor: Successful production of battery-grade lithium hydroxide monohydrate with high recovery \(94%\) from Seymour spodumene concentrate, de-risking the integrated strategy. - Positive factor: Maiden JORC-compliant rubidium resource estimate at Seymour \(8.3 Mt @ 0.27% Rb2O\), positioning it as globally significant and adding potential revenue streams. - Positive factor: Identification of tantalum as an additional critical mineral stream for potential inclusion in the Seymour DFS flowsheet. - Positive factor: Strong government support and funding \(C$5.47M from CMIF, C$500k grant from CMIF\) for critical minerals projects in Canada. - Positive factor: Significant progress on permitting and environmental assessment for the Seymour project, with completion of EA process confirmed. - Positive factor: DFS for Seymour targeted for completion in Q4 2026, with a focus on optimizing layout and reducing environmental impact and CAPEX. - Negative factor: Lithium Conversion Facility PFS currently on hold, indicating a delay in the downstream strategy. - Negative factor: DFS for Seymour required rework due to design improvements, potentially impacting timelines or costs. Low confidence — this extraction should be reviewed alongside the original source. Facts used in scoring: 6 ## Classification and evidence **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: The Company elected to publish certain DFS components in accordance with the Canadian NI 43-101 Technical Reporting Standard, in addition to the ASX reporting framework, to meet the requirements of government funding agencies and financiers. Evidence · text > The Company elected to publish certain DFS components in accordance with the Canadian NI 43-101 Technical Reporting Standard, in addition to the ASX reporting framework, to meet the requirements of government funding agencies and financiers. **JORC Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard. Why it applies: The Mineral Resource estimates were reported by the Company in accordance with Listing Rule 5.8 on 3 April 2025 \(Root, updated\), 21 November 2023 \(Seymour, amended\) and 24 July 2025 \(Seymour Rubidium\). Evidence · text > The Mineral Resource estimates above were reported by the Company in accordance with Listing Rule 5.8 on 3 April 2025 \(Root, updated\), 21 November 2023 \(Seymour, amended\) and 24 July 2025 \(Seymour Rubidium\). **Maiden Resource** Polarity: neutral Definition: First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component. Why it applies: A strategic technical review of Seymour's geological database during the year identified a substantial rubidium resource, with a maiden JORC-compliant Mineral Resource of 8.3 million tonnes at 0.27% Rb₂O. Evidence · text > A strategic technical review of Seymour's geological database during the year identified a substantial rubidium resource, with a maiden JORC-compliant Mineral Resource of 8.3 million tonnes at 0.27% Rb₂O **Indicated Resource** Polarity: positive Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves. Why it applies: The Seymour Lithium Project has an Indicated Resource of 6.1Mt @ 1.25% Li2O. The Root Lithium Project has an Indicated Resource of 10Mt @ 1.33% Li2O. The Seymour Rubidium Project has an Indicated Resource of 6.2Mt at 0.28% Rb₂O. Evidence · text > Resource: 10.3Mt @ 1.03% Li2O \(6.1Mt @ 1.25% Li2O Indicated\) **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: The Seymour Rubidium Project has an Inferred Resource of 2.1Mt at 0.25% Rb₂O. Evidence · text > 6.2Mt Indicated at 0.28% and 2.1Mt Inferred at 0.25%\) **Pilot Scale Complete** Polarity: positive Definition: Pilot or demonstration plant testing completed under continuous operation. Why it applies: The pilot program processed 600kg of concentrate, confirming EcoPro's flowsheet with overall recoveries averaging greater than 94% and producing a high-purity 56.5% LiOH.H₂O product with low impurities. Evidence · text > The pilot program processed 600kg of concentrate, confirming EcoPro's flowsheet with overall recoveries averaging greater than 94% and producing a high-purity 56.5% LiOH.H₂O product with low impurities. **High Recovery** Polarity: positive Definition: Recovery at or above the exceptional band for the commodity and processing route. Why it applies: Recoveries averaging greater than 94% for lithium hydroxide production is at or above the exceptional band for the mill/CIL processing route. Evidence · text > recoveries averaging greater than 94% **Mill Route** Polarity: neutral Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\). Why it applies: The concentrates from the mine are amenable to conversion using a standard sulphation roast flow sheet, which is a mill route. Evidence · text > proving our concentrates from the mine are amenable to conversion using a standard sulphation roast flow sheet. **Byproduct Commodity** Polarity: neutral Definition: The tested commodity is a byproduct rather than the primary economic driver. Why it applies: Rubidium and tantalum are both on the United States Critical Minerals list and offer potential additional by-product revenue that would enhance Seymour's project economics. Evidence · text > Rubidium and tantalum are both on the United States Critical Minerals list and offer potential additional by-product revenue that would enhance Seymour's project economics **Multi-Domain Tested** Polarity: positive Definition: Variability across ore domains \(oxide, transition, fresh\) has been addressed. Why it applies: 2 distinct composites were tested ## Extracted facts Stored fact records: 6. Some facts used in scoring do not have a stored record. ## Resource Estimates (4) ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/gt1-annual-report-to-shareholders--a4bcb82e-6468-439a-8186-b3eb2256dbfc#fact-resource-facts-0) Seymour Lithium Project · lithium Historical result Needs review: historical\_restatement #### Identity - Project: Seymour Lithium Project - Commodity: lithium - Region: canada\_on - Reported Region: Ontario, Canada - Ticker: GT1 #### Resource scope - Estimate type: resource - Reporting standards: jorc - Resource group id: resource:3396dd5f7391971d70ed #### Resource Data - Category: indicated - Tonnes: 6100000 - Grade: 1.25 - Grade Unit: % Li2O #### Prior Estimate - Resource Date: 2023-11-21 #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2023-11-21T00:00:00.000Z #### Dates - Event date: 2026-09-29T00:00:00.000Z Reasoning: The indicated resource for Seymour Lithium provides a solid foundation for the project, though it is a restatement of a prior estimate. - Positive factor: Indicated category provides reasonable geological confidence for future economic studies. - Negative factor: This is a restatement of a prior estimate, not new information. Evidence · text > Resource: 10.3Mt @ 1.03% Li2O \(6.1Mt @ 1.25% Li2O Indicated\) #### Tags used in scoring **Indicated Resource** Polarity: positive Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves. Why it applies: category is "indicated" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **JORC Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard. Why it applies: reporting\_standards includes jorc **No Contained Metal** Polarity: negative Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting. Why it applies: contained\_metal was not reported **Stale Estimate** Polarity: negative Definition: Effective date is >2 years old — data currency concern, may not reflect current geological understanding. Why it applies: effective date is 2.9 years before this release ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/gt1-annual-report-to-shareholders--a4bcb82e-6468-439a-8186-b3eb2256dbfc#fact-resource-facts-1) Root Lithium Project · lithium Historical result Needs review: historical\_restatement #### Identity - Project: Root Lithium Project - Commodity: lithium - Region: canada\_on - Reported Region: Ontario, Canada - Ticker: GT1 #### Resource scope - Estimate type: resource - Reporting standards: jorc - Resource group id: resource:9d144267632748905033 #### Resource Data - Category: indicated - Tonnes: 10000000 - Grade: 1.33 - Grade Unit: % Li2O #### Prior Estimate - Resource Date: 2025-04-03 #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2025-04-03T00:00:00.000Z #### Dates - Event date: 2026-09-29T00:00:00.000Z Reasoning: The indicated resource for Root Lithium provides a significant long-term feed for the company's strategy, though it is a restatement of a prior estimate. - Positive factor: Indicated category provides reasonable geological confidence for future economic studies. - Positive factor: Larger scale than Seymour project, offering long-term feed potential. - Negative factor: This is a restatement of a prior estimate, not new information. Evidence · text > Resource: 20.1Mt @ 1.24% Li2O \(10Mt @ 1.33% Li2O Indicated\) #### Tags used in scoring **Indicated Resource** Polarity: positive Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves. Why it applies: category is "indicated" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **JORC Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard. Why it applies: reporting\_standards includes jorc **No Contained Metal** Polarity: negative Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting. Why it applies: contained\_metal was not reported ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/gt1-annual-report-to-shareholders--a4bcb82e-6468-439a-8186-b3eb2256dbfc#fact-resource-facts-2) Seymour Project \(North Aubry\) · rubidium #### Identity - Project: Seymour Project \(North Aubry\) - Commodity: rubidium - Region: canada\_on - Reported Region: Ontario, Canada - Ticker: GT1 #### Resource scope - Estimate type: resource - Reporting standards: jorc - Resource group id: resource:3b76876e5c37e942301a #### Resource Data - Category: indicated - Tonnes: 6200000 - Grade: 0.28 - Grade Unit: % Rb2O - Contained Metal: 17360 - Contained Unit: t #### Prior Estimate - Resource Date: 2025-07-24 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-29T00:00:00.000Z Reasoning: The maiden indicated rubidium resource at Seymour is a significant positive, adding a new critical mineral stream with good grade and confidence. - Positive factor: Maiden resource estimate for rubidium adds significant value and potential revenue stream. - Positive factor: Indicated category provides reasonable geological confidence. - Positive factor: High grade component \(0.40% Rb2O\) within the resource. Evidence · text > maiden JORC-compliant estimate of 8.3 million tonnes at 0.27% Rb₂O \(6.2Mt Indicated at 0.28% and 2.1Mt Inferred at 0.25%\), containing approximately 23,000 tonnes of Rubidium oxide \(RB2O\) #### Tags used in scoring **Indicated Resource** Polarity: positive Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves. Why it applies: category is "indicated" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **JORC Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard. Why it applies: reporting\_standards includes jorc ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/gt1-annual-report-to-shareholders--a4bcb82e-6468-439a-8186-b3eb2256dbfc#fact-resource-facts-3) Seymour Project \(North Aubry\) · rubidium #### Identity - Project: Seymour Project \(North Aubry\) - Commodity: rubidium - Region: canada\_on - Reported Region: Ontario, Canada - Ticker: GT1 #### Resource scope - Estimate type: resource - Reporting standards: jorc - Resource group id: resource:1bf0d680f4edaf991621 #### Resource Data - Category: inferred - Tonnes: 2100000 - Grade: 0.25 - Grade Unit: % Rb2O - Contained Metal: 5250 - Contained Unit: t #### Prior Estimate - Resource Date: 2025-07-24 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-29T00:00:00.000Z Reasoning: The maiden inferred rubidium resource at Seymour is a positive, adding to the overall resource, though with lower confidence. - Positive factor: Maiden resource estimate for rubidium adds significant value and potential revenue stream. - Negative factor: Inferred category has lower geological confidence. Evidence · text > maiden JORC-compliant estimate of 8.3 million tonnes at 0.27% Rb₂O \(6.2Mt Indicated at 0.28% and 2.1Mt Inferred at 0.25%\), containing approximately 23,000 tonnes of Rubidium oxide \(RB2O\) #### Tags used in scoring **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: category is "inferred" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **JORC Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard. Why it applies: reporting\_standards includes jorc ## Metallurgical Results (2) ### pilot plant [Link to this fact](https://atlas-staging.minestarters.com/news/gt1-annual-report-to-shareholders--a4bcb82e-6468-439a-8186-b3eb2256dbfc#fact-metallurgical-facts-4) Seymour Lithium Project · lithium #### Identity - Project: Seymour Lithium Project - Commodity: lithium - Region: canada\_on - Reported Region: Ontario, Canada - Ticker: GT1 #### Test Work - Program Status: detailed - Test Type: pilot plant - Processing Route: standard sulphation roast flow sheet - Sample: Seymour spodumene concentrate #### Recovery - Recovery: 94 % - Recovery Basis: actual\_test - Conc. Grade: 56.5 - Conc. Grade Unit: % LiOH.H₂O #### Lab - Laboratory: EcoPro's South Korean facility #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-29T00:00:00.000Z Reasoning: Successful pilot-scale production of high-purity battery-grade lithium hydroxide with excellent recovery significantly de-risks the company's integrated strategy. - Positive factor: High recovery \(94%\) achieved for battery-grade lithium hydroxide production. - Positive factor: Pilot plant scale testing provides high confidence in results. - Positive factor: Confirms technical viability of integrated mine-to-chemical strategy. - Positive factor: Utilizes a standard sulphation roast flowsheet, indicating conventional processing. Evidence · text > In partnership with EcoPro Innovation, GT1 also successfully produced battery-grade lithium hydroxide monohydrate \(LiOH.H₂O\) from Seymour spodumene concentrate at EcoPro's South Korean facility. EcoPro processed 600kg of concentrate with recoveries averaging above 94% to achieve a high-purity 56.5% product, significantly de-risking the Company's integrated lithium strategy, and proving our concentrates from the mine are amenable to conversion using a standard sulphation roast flow sheet. #### Tags used in scoring **Pilot Scale Complete** Polarity: positive Definition: Pilot or demonstration plant testing completed under continuous operation. Why it applies: test\_type names pilot-scale work **High Recovery** Polarity: positive Definition: Recovery at or above the exceptional band for the commodity and processing route. Why it applies: 94% is at or above the exceptional band \(80%\) ### Fact 2 [Link to this fact](https://atlas-staging.minestarters.com/news/gt1-annual-report-to-shareholders--a4bcb82e-6468-439a-8186-b3eb2256dbfc#fact-metallurgical-facts-5) Seymour Lithium Project · tantalum #### Identity - Project: Seymour Lithium Project - Commodity: tantalum - Region: canada\_on - Reported Region: Ontario, Canada - Ticker: GT1 #### Test Work - Sample: feed grade #### Recovery - Head Grade: 160 - Head Grade Unit: ppm Ta₂O₅ #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-29T00:00:00.000Z Reasoning: The identification of tantalum as a potential byproduct stream adds value to the Seymour project, offering an additional revenue opportunity. - Positive factor: Identification of an additional critical mineral stream adds potential value. - Positive factor: Potential for inclusion in existing DFS flowsheet with minimal modification. - Negative factor: This is a feed grade, not a resource estimate, and economic viability as a byproduct is still under assessment. Evidence · text > GT1 subsequently identified a second additional critical mineral stream for potential inclusion in the Seymour DFS flowsheet — tantalum, at a feed grade of approximately 160ppm Ta₂O₅. ## How Atlas produces this analysis Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.