# Stillwater Critical Minerals More Than Doubles Stillwater West Inferred Mineral Resource and Establishes Maiden Indicated Resource Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/stillwater-critical-minerals-more-than-doubles-stillwater-west-inferred-mineral--a380a04d-54b9-4dd8-b32e-43caff68b675 Original source: https://money.tmx.com/en/quote/PGE/news/7657367039605757/stillwater-critical-minerals-more-than-doubles-stillwater-west-inferred-mineral- Publisher: tmx Original announcement: 2026-08-27T11:30:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Stillwater Critical Minerals Corp. - Ticker: PGE - Exchange: TSX - Region: Montana, USA - Primary commodity: Nickel - Secondary commodities: Copper, Cobalt, Platinum, Palladium, Gold, Rhodium, Chromium - Document categories: Resource update - Extracted: 2026-09-12 18:22:53 UTC Narrative sentiment: 1.00 · Bullish ## Minestarters Atlas summary Stillwater Critical Minerals has announced an updated 2026 Mineral Resource Estimate for the Stillwater West project, establishing a maiden Indicated resource of 29.4 Mt at 0.38% NiTEq. The total resource \(Indicated + Inferred\) now comprises 834.5 Mt containing significant quantities of nickel, copper, cobalt, and platinum group metals. Reasoning: The update establishes a maiden Indicated resource and significantly expands the Inferred resource tonnage and contained metal, representing a major de-risking and scale milestone for the project. - Positive factor: Establishment of maiden Indicated resource - Positive factor: Substantial tonnage increase \(doubled Inferred\) - Positive factor: Significant contained metal scale - Positive factor: NI 43-101 compliant with QP sign-off - Positive factor: Expansion of rhodium and chromium resources Facts used in scoring: 3 ## Classification and evidence **Indicated Resource** Polarity: positive Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves. Why it applies: The company established its first Indicated Mineral Resource of 29.4 Mt. Evidence · text > First definition of an Indicated Mineral Resource **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: The estimate was prepared by an independent QP in accordance with NI 43-101. Evidence · text > in accordance with National Instrument 43-101 **Tonnage Growth** Polarity: positive Definition: Tonnage increase reaching the strong tier vs prior estimate, with grade maintained or improved. Why it applies: The Inferred resource has been significantly expanded \(more than doubled\). Evidence · text > More Than Doubles Stillwater West Inferred Mineral Resource **QP/CP Signed** Polarity: positive Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience. Why it applies: Timothy O. Kuhl and Ted Eggleston are named as the Qualified Persons. Evidence · text > The Qualified Person for the estimate is Mr. Timothy O. Kuhl ## Extracted facts Stored fact records: 3. Some facts used in scoring do not have a stored record. ## Resource Estimates (3) ### indicated [Link to this fact](https://atlas-extractions.minestarters.com/news/stillwater-critical-minerals-more-than-doubles-stillwater-west-inferred-mineral--a380a04d-54b9-4dd8-b32e-43caff68b675#fact-resource-facts-0) Stillwater West · nickel #### Identity - Project: Stillwater West - Commodity: nickel - Region: usa\_mt - Reported Region: Montana, USA - Ticker: PGE #### Resource scope - Estimate type: resource - Effective date: 2026-08-27T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Timothy O. Kuhl, Ted Eggleston - Resource group id: resource:8e0d2c10e0eec8145b63 - Deposit or zone: Stillwater West - Mining method: open\_pit - Ownership percent: 100 % - Resource basis: gross #### Resource Data - Category: indicated - Tonnes: 29400000 - Cutoff Grade: 0.2 - Cutoff Unit: % NiTEq #### Prior Estimate - Resource Date: 2026-08-27 #### Metal Equivalent - Metal Eq. Grade: 0.38 - Metal Eq. Unit: % NiTEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-08-27T00:00:00.000Z Reasoning: First Indicated resource established for this zone. - Positive factor: Maiden Indicated resource Evidence · text > 29.4 million tonnes of Indicated Mineral Resources grading 0.38% NiTEq #### 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 Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **QP/CP Signed** Polarity: positive Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience. Why it applies: qp\_signed is true **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/stillwater-critical-minerals-more-than-doubles-stillwater-west-inferred-mineral--a380a04d-54b9-4dd8-b32e-43caff68b675#fact-resource-facts-1) Stillwater West · nickel #### Identity - Project: Stillwater West - Commodity: nickel - Region: usa\_mt - Reported Region: Montana, USA - Ticker: PGE #### Resource scope - Estimate type: resource - Effective date: 2026-08-27T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Timothy O. Kuhl, Ted Eggleston - Resource group id: resource:692d5261b5d223c7bb30 - Deposit or zone: Stillwater West - Mining method: open\_pit - Ownership percent: 100 % - Resource basis: gross #### Resource Data - Category: inferred - Tonnes: 805100000 - Cutoff Grade: 0.2 - Cutoff Unit: % NiTEq #### Prior Estimate - Resource Date: 2026-08-27 #### Metal Equivalent - Metal Eq. Grade: 0.34 - Metal Eq. Unit: % NiTEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-08-27T00:00:00.000Z Reasoning: Significant expansion of the Inferred resource base. - Positive factor: Substantial expansion of tonnage Evidence · text > 805.1 million tonnes of Inferred Mineral Resources grading 0.34% total nickel equivalent \("NiTEq"\) #### 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 Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **QP/CP Signed** Polarity: positive Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience. Why it applies: qp\_signed is true **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **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 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/stillwater-critical-minerals-more-than-doubles-stillwater-west-inferred-mineral--a380a04d-54b9-4dd8-b32e-43caff68b675#fact-resource-facts-2) Stillwater West · chromium #### Identity - Project: Stillwater West - Commodity: chromium - Region: usa\_mt - Reported Region: Montana, USA - Ticker: PGE #### Resource scope - Estimate type: resource - Effective date: 2026-08-27T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Timothy O. Kuhl, Ted Eggleston - Resource group id: resource:837131c1e704fe8b12b2 - Deposit or zone: Stillwater West - Mining method: open\_pit - Ownership percent: 100 % - Resource basis: gross #### Resource Data - Category: inferred - Contained Metal: 6.6 - Contained Unit: blbs #### Prior Estimate - Resource Date: 2026-08-27 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-08-27T00:00:00.000Z Reasoning: Large chromium resource reported but not included in NiTEq calculations. - Positive factor: Massive chromium resource expansion - Negative factor: No economic or recovery assumptions made Evidence · text > Expansion of Inferred chromium resource to 6.6 Blbs #### 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 **QP/CP Signed** Polarity: positive Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience. Why it applies: qp\_signed is true **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: the release compares against a previous estimate ## 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.