# VISION LITHIUM FILES UPDATED PRELIMINARY ECONOMIC ASSESSMENT TECHNICAL REPORT FOR THE SIRMAC LITHIUM PROJECT

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/vision-lithium-files-updated-preliminary-economic-assessment-technical-report-fo--2da63a72-d3b1-4118-8d0d-da43133a438c

Original source: https://money.tmx.com/en/quote/VLI/news/4746415252836078/vision-lithium-files-updated-preliminary-economic-assessment-technical-report-fo

Publisher: tmx

Original announcement: 2023-08-10T20:05:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Vision Lithium Inc.

- Ticker: VLI

- Exchange: TSX

- Region: Quebec

- Primary commodity: Lithium

- Secondary commodities: Tantalum

- Document categories: Resource update, Other

- Extracted: 2026-08-21 11:23:49 UTC

Narrative sentiment: 0.60 · Bullish

## Minestarters Atlas summary

Vision Lithium has filed an updated Preliminary Economic Assessment \(PEA\) for its 100%-owned Sirmac Lithium Project in Quebec. The report highlights a pre-tax NPV of C$183.6M and an IRR of 839%, based on a 4-year mine life producing 321,000 tonnes of DSO at 1.33% Li2O.

Reasoning: The update provides an amended PEA for the Sirmac project, highlighting strong economic indicators \(839% IRR pre-tax\) and a high proportion of M&I resources, though it remains a preliminary study.

- Positive factor: High IRR and NPV

- Positive factor: 85% M&I resource component

- Positive factor: Short payback period

- Negative factor: PEA is preliminary in nature

- Negative factor: Includes Inferred resources

Facts used in scoring: 1

## Classification and evidence

**PEA-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: The announcement is specifically for an updated Preliminary Economic Assessment \(PEA\) technical report.

Evidence · text

> FILES UPDATED PRELIMINARY ECONOMIC ASSESSMENT TECHNICAL REPORT

**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 by qualified persons.

Evidence · text

> 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: Claude Duplessis and Daniel Dufort are named as Qualified Persons.

Evidence · text

> reviewed and approved by Claude Duplessis , P.Eng., and Daniel Dufort , P.Eng.

## 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/vision-lithium-files-updated-preliminary-economic-assessment-technical-report-fo--2da63a72-d3b1-4118-8d0d-da43133a438c#fact-resource-facts-0)

lithium

#### Identity

- Commodity: lithium
- Ticker: VLI

#### Resource Data

- Category: indicated
- Tonnes: 321000
- Grade: 1.33
- Grade Unit: % Li2O

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-08-10T00:00:00.000Z

Reasoning: Reported DSO production tonnes and grade as part of the PEA highlights.

- Positive factor: Strong production scale for DSO

Evidence · text

> 4 years of mine life with 321,000 tonnes of DSO at 1.33 % Li 2 O

## 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.