# First Majestic Files NI 43-101 Technical Report for the Los Gatos Silver Mine Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/first-majestic-files-ni-43-101-technical-report-for-the-los-gatos-silver-mine--d980567e-a316-4ad5-8a0b-00540e9ee4ca Original source: https://orestocks.com/company/AG.TO/press-releases/6267281468846827 Publisher: orestocks Original announcement: 2026-08-25T20:30:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: First Majestic Silver Corp. - Ticker: AG.TO - Exchange: Unavailable - Region: Mexico - Primary commodity: Silver - Secondary commodities: Gold, Copper, Lead, Zinc - Document categories: Resource update - Extracted: 2026-08-25 20:49:08 UTC Narrative sentiment: 0.00 · Neutral ## Minestarters Atlas summary First Majestic Silver Corp. has filed an NI 43-101 Technical Report for the Los Gatos Silver Mine. The report supports mineral resource and reserve estimates effective December 31, 2025, and contains no material changes to previously disclosed figures. Reasoning: The document is a filing of a technical report that does not disclose any material changes to previously disclosed resource and reserve estimates. - Positive factor: NI 43-101 Compliant - Positive factor: QP/CP Signed - Negative factor: Stale Data Re-release Facts used in scoring: 10 ## 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 technical report was prepared in accordance with National Instrument 43-101 standards. Evidence · text > The Technical Report was prepared in accordance with National Instrument 43-101 **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: Multiple Qualified Persons \(P.Geo, P.Eng\) are named as responsible for the resource and reserve estimates. Evidence · text > all of whom are employed by First Majestic and are Qualified Persons **Stale Data Re-release** Polarity: negative Story-specific tag Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: The report explicitly states it does not disclose material changes to estimates previously disclosed in March 2026. Evidence · text > does not disclose any material change to the Mineral Resource and Mineral Reserve estimates previously disclosed in the Company's news release dated March 31, 2026 ## Extracted facts Stored fact records: 10. Some facts used in scoring do not have a stored record. ## Resource Estimates (10) ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/first-majestic-files-ni-43-101-technical-report-for-the-los-gatos-silver-mine--d980567e-a316-4ad5-8a0b-00540e9ee4ca#fact-resource-facts-0) silver Historical result Needs review: historical\_restatement #### Identity - Commodity: silver - Ticker: AG.TO #### Resource Data - Category: indicated - Tonnes: 11300000 - Grade: 145 - Grade Unit: g/t #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2026-03-31T00:00:00.000Z #### Dates - Event date: 2026-08-25T00:00:00.000Z Reasoning: Indicated silver resource restating previously disclosed data from March 2026. - Positive factor: NI 43-101 Compliant - Negative factor: Stale Data Re-release Evidence · table > 145.0 Context: 11.3 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/first-majestic-files-ni-43-101-technical-report-for-the-los-gatos-silver-mine--d980567e-a316-4ad5-8a0b-00540e9ee4ca#fact-resource-facts-1) gold Historical result Needs review: historical\_restatement #### Identity - Commodity: gold - Ticker: AG.TO #### Resource Data - Category: indicated - Tonnes: 11300000 - Grade: 0 - Grade Unit: moz #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2026-03-31T00:00:00.000Z #### Dates - Event date: 2026-08-25T00:00:00.000Z Reasoning: Indicated gold resource restating previously disclosed data from March 2026. - Positive factor: NI 43-101 Compliant - Negative factor: Stale Data Re-release Evidence · table > 0.0 Context: 11.3 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/first-majestic-files-ni-43-101-technical-report-for-the-los-gatos-silver-mine--d980567e-a316-4ad5-8a0b-00540e9ee4ca#fact-resource-facts-2) silver Historical result Needs review: historical\_restatement #### Identity - Commodity: silver - Ticker: AG.TO #### Resource Data - Category: measured - Tonnes: 14000000 - Grade: 160 - Grade Unit: g/t #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2026-03-31T00:00:00.000Z #### Dates - Event date: 2026-08-25T00:00:00.000Z Reasoning: Measured silver resource restating previously disclosed data from March 2026. - Positive factor: NI 43-101 Compliant - Negative factor: Stale Data Re-release Evidence · table > 160.0 Context: 14.0 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/first-majestic-files-ni-43-101-technical-report-for-the-los-gatos-silver-mine--d980567e-a316-4ad5-8a0b-00540e9ee4ca#fact-resource-facts-3) gold Historical result Needs review: historical\_restatement #### Identity - Commodity: gold - Ticker: AG.TO #### Resource Data - Category: measured - Tonnes: 14000000 - Grade: 0.1 - Grade Unit: moz #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2026-03-31T00:00:00.000Z #### Dates - Event date: 2026-08-25T00:00:00.000Z Reasoning: Measured gold resource restating previously disclosed data from March 2026. - Positive factor: NI 43-101 Compliant - Negative factor: Stale Data Re-release Evidence · table > 0.1 Context: 14.0 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/first-majestic-files-ni-43-101-technical-report-for-the-los-gatos-silver-mine--d980567e-a316-4ad5-8a0b-00540e9ee4ca#fact-resource-facts-4) silver Historical result Needs review: historical\_restatement #### Identity - Commodity: silver - Ticker: AG.TO #### Resource Data - Category: inferred - Tonnes: 15000000 - Grade: 110 - Grade Unit: g/t #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2026-03-31T00:00:00.000Z #### Dates - Event date: 2026-08-25T00:00:00.000Z Reasoning: Inferred silver resource restating previously disclosed data from March 2026. - Positive factor: NI 43-101 Compliant - Negative factor: Stale Data Re-release Evidence · table > 110.0 Context: 15.0 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/first-majestic-files-ni-43-101-technical-report-for-the-los-gatos-silver-mine--d980567e-a316-4ad5-8a0b-00540e9ee4ca#fact-resource-facts-5) gold Historical result Needs review: historical\_restatement #### Identity - Commodity: gold - Ticker: AG.TO #### Resource Data - Category: inferred - Tonnes: 15000000 - Grade: 0 - Grade Unit: moz #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2026-03-31T00:00:00.000Z #### Dates - Event date: 2026-08-25T00:00:00.000Z Reasoning: Inferred gold resource restating previously disclosed data from March 2026. - Positive factor: NI 43-101 Compliant - Negative factor: Stale Data Re-release Evidence · table > 0.0 Context: 15.0 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/first-majestic-files-ni-43-101-technical-report-for-the-los-gatos-silver-mine--d980567e-a316-4ad5-8a0b-00540e9ee4ca#fact-resource-facts-6) silver Historical result Needs review: historical\_restatement #### Identity - Commodity: silver - Ticker: AG.TO #### Resource Data - Category: proven - Tonnes: 5000000 - Grade: 200 - Grade Unit: g/t #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2026-03-31T00:00:00.000Z #### Dates - Event date: 2026-08-25T00:00:00.000Z Reasoning: Proven silver reserve restating previously disclosed data from March 2026. - Positive factor: NI 43-101 Compliant - Negative factor: Stale Data Re-release Evidence · table > 200.0 Context: 5.0 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/first-majestic-files-ni-43-101-technical-report-for-the-los-gatos-silver-mine--d980567e-a316-4ad5-8a0b-00540e9ee4ca#fact-resource-facts-7) gold Historical result Needs review: historical\_restatement #### Identity - Commodity: gold - Ticker: AG.TO #### Resource Data - Category: proven - Tonnes: 5000000 - Grade: 0 - Grade Unit: moz #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2026-03-31T00:00:00.000Z #### Dates - Event date: 2026-08-25T00:00:00.000Z Reasoning: Proven gold reserve restating previously disclosed data from March 2026. - Positive factor: NI 43-101 Compliant - Negative factor: Stale Data Re-release Evidence · table > 0.0 Context: 5.0 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/first-majestic-files-ni-43-101-technical-report-for-the-los-gatos-silver-mine--d980567e-a316-4ad5-8a0b-00540e9ee4ca#fact-resource-facts-8) silver Historical result Needs review: historical\_restatement #### Identity - Commodity: silver - Ticker: AG.TO #### Resource Data - Category: probable - Tonnes: 10000000 - Grade: 150 - Grade Unit: g/t #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2026-03-31T00:00:00.000Z #### Dates - Event date: 2026-08-25T00:00:00.000Z Reasoning: Probable silver reserve restating previously disclosed data from March 2026. - Positive factor: NI 43-101 Compliant - Negative factor: Stale Data Re-release Evidence · table > 150.0 Context: 10.0 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/first-majestic-files-ni-43-101-technical-report-for-the-los-gatos-silver-mine--d980567e-a316-4ad5-8a0b-00540e9ee4ca#fact-resource-facts-9) gold Historical result Needs review: historical\_restatement #### Identity - Commodity: gold - Ticker: AG.TO #### Resource Data - Category: probable - Tonnes: 10000000 - Grade: 0.1 - Grade Unit: moz #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2026-03-31T00:00:00.000Z #### Dates - Event date: 2026-08-25T00:00:00.000Z Reasoning: Probable gold reserve restating previously disclosed data from March 2026. - Positive factor: NI 43-101 Compliant - Negative factor: Stale Data Re-release Evidence · table > 0.1 Context: 10.0 ## 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.