# 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--bab265b8-950f-4774-bb51-c5bc10ff75e1

Original source: https://www.newsfilecorp.com/release/311499/First-Majestic-Files-NI-43101-Technical-Report-for-the-Los-Gatos-Silver-Mine

Publisher: newsfile

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

- Exchange: Unavailable

- Region: Mexico

- Primary commodity: Silver

- Secondary commodities: Gold, Copper, Lead, Zinc

- Document categories: Resource update

- Extracted: 2026-08-25 20:47:24 UTC

Narrative sentiment: 0.00 · Neutral

## Minestarters Atlas summary

First Majestic Silver Corp. has filed a NI 43-101 Technical Report for the Los Gatos Silver Mine. The report supports the Mineral Resource and Mineral Reserve estimates effective December 31, 2025, and does not disclose any material changes to previously reported figures.

Reasoning: The document is a formal filing of a technical report that confirms existing resource and reserve estimates without disclosing material changes.

- Positive factor: NI 43-101 compliant

- Positive factor: QP/CP signed

- Negative factor: No material change to previously disclosed estimates

Facts used in scoring: 1

## Classification and evidence

**Resource Update**

Polarity: neutral

Definition: Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: The document is a formal filing of a technical report covering mineral resource and reserve estimates.

Evidence · text

> NI 43-101 Technical Report on Mineral Resource and Mineral Reserve Estimates, Los Gatos Silver Mine

**NI 43-101 Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard.

Why it applies: The report was prepared in accordance with NI 43-101 standards and signed off by Qualified Persons.

Evidence · text

> The Technical Report was prepared in accordance with National Instrument 43-101 Standards of Disclosure for Mineral Projects \("NI 43-101"\)

**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 \(P.Geo, P.Eng, etc.\) are named as responsible for the resource and reserve estimates.

Evidence · text

> all of whom are employed by First Majestic and are Qualified Persons \(as defined under NI 43-101\).

## Extracted facts

Stored fact records: 1. Some facts used in scoring do not have a stored record.

## Resource Estimates (1)

### 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--bab265b8-950f-4774-bb51-c5bc10ff75e1#fact-resource-facts-0)

silver

Historical result

Needs review: historical\_restatement

#### Identity

- Commodity: silver
- Ticker: AG

#### Resource Data

- Category: indicated

#### 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: The report explicitly states it does not disclose material changes to estimates previously disclosed in March 2026.

- Negative factor: Stale data re-release

Evidence · text

> The Technical Report 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

## 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.