Ur-Energy Updates Lost Creek Property Technical Report Summary Estimating an Extended Mine Life and Increase in Net Cash Flow

Original announcement by tmx on

Company
Ur-Energy Inc.
Ticker
URG
Exchange
TSX
Region
Wyoming
Primary commodity
Uranium
Secondary commodities
None reported
Document categories
Resource update
Extracted
2026-08-21 01:19:35 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Ur-Energy has filed an updated S-K 1300 Initial Assessment Technical Report Summary for its Lost Creek Property, reporting an extended mine life to Q2 2039 and a significant increase in life of mine net cash flow to $442.2 million and NPV to $244.1 million after income taxes. The updated resource estimate shows an overall increase in total contained uranium pounds, primarily due to a 34.3% increase in the Inferred category, although Measured and Indicated contained pounds decreased by 5.2% after accounting for production.

Reasoning: The updated technical report for the Lost Creek Property indicates an extended mine life and significantly improved economic metrics, including net cash flow and NPV, driven by an overall increase in contained metal, despite a decrease in the Measured and Indicated categories.

Positive factors

  • Extended mine life
  • Increased net cash flow
  • Increased NPV
  • Increased total contained metal
  • QP/CP signed
  • SEC S-K 1300 Compliant
  • NI 43-101 Compliant
  • Cut-off Disclosed

Negative factors

  • Decrease in Measured and Indicated contained metal
  • Weak grades for uranium
  • Significant portion of resource is Inferred

Low confidence — this extraction should be reviewed alongside the original source.

Facts used in scoring: 9

Atlas analysis — Ur-Energy Inc.: Ur-Energy Updates Lost Creek Property Technical Report Summary Estimating an Extended Mine Life and Increase in Net Cash Flow. measured 9630000 tonnes; indicated 3533000 tonnes; inferred 10025000 tonnes

Classification and evidence

QP/CP Signedpositive

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: The Lost Creek Report was prepared by Qualified Person, Western Water Consultants, Inc., d/b/a WWC Engineering ('WWC').

Evidence · text

“The Lost Creek Report was prepared by Qualified Person, Western Water Consultants, Inc., d/b/a WWC Engineering ("WWC").”

NI 43-101 Compliantpositive

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

Why it applies: The report was prepared in accordance with Canadian National Instrument 43-101.

Evidence · text

“in accordance with Canadian National Instrument 43-101, "Standards of Disclosure for Mineral Projects" (NI 43-101)”

SEC S-K 1300 Compliantpositive · Story-specific tag

No canonical definition is currently available.

Why it applies: The report was prepared in accordance with Modernized Property Disclosure Requirements for Mining Registrants as described in Subpart 1300 of Regulation S-K.

Evidence · text

“Modernized Property Disclosure Requirements for Mining Registrants as described in Subpart 1300 of Regulation S-K, 17 C.F.R. §229.1300 et seq.,(S-K 1300)”

Resource Updateneutral

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

Why it applies: The document announces the filing of an updated S-K 1300 Initial Assessment Technical Report Summary for the Lost Creek Property.

Evidence · text

“Ur-Energy Updates Lost Creek Property Technical Report Summary Estimating an Extended Mine Life and Increase in Net Cash Flow”

Contained Metal Growthpositive

True scale improvement — contained metal ounces/tonnes increased vs prior, accounting for both tonnage and grade changes.

Why it applies: The estimated pounds remaining to be produced increased by approximately one million pounds, and the Inferred category saw a 3.550 million pound (34.3%) increase.

Evidence · text

“estimated pounds remaining to be produced increased by approximately one million pounds, from 11.664 million pounds as of December 31, 2023, per the Prior Report, to 12.700 million pounds as of December 31, 2025, per the Lost Creek Report.”

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: The updated mineral resource estimate includes 10.357 million pounds eU3O8 in the Inferred category.

Evidence · text

“10.357 million pounds eU 3 O 8 in the Inferred category.”

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: The document states that resources are based on a grade cutoff of 0.02 % eU3O8 and a grade x thickness cutoff of 0.20 GT.

Evidence · text

“Table shows resources based on grade cutoff of 0.02 % eU 3 O 8 and a grade x thickness cutoff of 0.20 GT.”

PEA-Supportingneutral

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

Why it applies: The report is an 'Initial Assessment Technical Report Summary', which is equivalent to a Preliminary Economic Assessment.

Evidence · text

“updated S-K 1300 Initial Assessment Technical Report Summary”

Contained Metal Declinenegative

Contained metal decreased vs prior despite tonnage growth — grade dilution exceeds volume gain.

Why it applies: The Measured and Indicated categories experienced a 649 thousand pound (5.2%) decrease in estimated pounds after accounting for production.

Evidence · text

“a 649 thousand pound (5.2%) decrease in estimated pounds in the Measured and Indicated categories (after accounting for production)”

Extracted facts

Stored fact records: 9. Some facts used in scoring do not have a stored record.

Resource Estimates (9)

measuredLost Creek · uraniumTonnes: 9630000Grade: 0.049Grade Unit: % U3O8Contained Metal: 8309000Contained Unit: lb U3O8View all details
Link to this fact

Identity

Project
Lost Creek
Commodity
uranium
Ticker
URG

Resource Data

Category
measured
Tonnes
9630000
Grade
0.049
Grade Unit
% U3O8
Contained Metal
8309000
Contained Unit
lb U3O8
Cutoff Grade
0.02

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-10T00:00:00.000Z

Reasoning: Measured resource for Lost Creek Grand Total, with a weak grade for uranium.

Positive factors

  • QP/CP Signed
  • NI 43-101 Compliant
  • SEC S-K 1300 Compliant
  • Cut-off Disclosed

Negative factors

  • Weak grade

Evidence · table

“0.049”

Context: 10,616

indicatedLost Creek · uraniumTonnes: 3533000Grade: 0.046Grade Unit: % U3O8Contained Metal: 3559000Contained Unit: lb U3O8View all details
Link to this fact

Identity

Project
Lost Creek
Commodity
uranium
Ticker
URG

Resource Data

Category
indicated
Tonnes
3533000
Grade
0.046
Grade Unit
% U3O8
Contained Metal
3559000
Contained Unit
lb U3O8
Cutoff Grade
0.02

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-10T00:00:00.000Z

Reasoning: Indicated resource for Lost Creek Grand Total, with a weak grade for uranium.

Positive factors

  • QP/CP Signed
  • NI 43-101 Compliant
  • SEC S-K 1300 Compliant
  • Cut-off Disclosed

Negative factors

  • Weak grade

Evidence · table

“0.046”

Context: 3,895

inferredLost Creek · uraniumTonnes: 10025000Grade: 0.047Grade Unit: % U3O8Contained Metal: 10357000Contained Unit: lb U3O8View all details
Link to this fact

Identity

Project
Lost Creek
Commodity
uranium
Ticker
URG

Resource Data

Category
inferred
Tonnes
10025000
Grade
0.047
Grade Unit
% U3O8
Contained Metal
10357000
Contained Unit
lb U3O8
Cutoff Grade
0.02

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-10T00:00:00.000Z

Reasoning: Inferred resource for Lost Creek Grand Total, showing a significant increase in contained metal, but with a weak grade.

Positive factors

  • QP/CP Signed
  • NI 43-101 Compliant
  • SEC S-K 1300 Compliant
  • Cut-off Disclosed
  • Contained Metal Growth

Negative factors

  • Weak grade
  • Inferred Resource

Evidence · table

“0.047”

Context: 11,052

indicatedLost Creek · uraniumTonnes: 11249000Grade: 0.048Grade Unit: % U3O8Contained Metal: 11868000Contained Unit: lb U3O8View all details
Link to this fact

Identity

Project
Lost Creek
Commodity
uranium
Ticker
URG

Resource Data

Category
indicated
Tonnes
11249000
Grade
0.048
Grade Unit
% U3O8
Contained Metal
11868000
Contained Unit
lb U3O8
Cutoff Grade
0.02

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-10T00:00:00.000Z

Reasoning: Combined Measured and Indicated resource for Lost Creek Grand Total, showing a decrease in contained metal after accounting for production, with a weak grade.

Positive factors

  • QP/CP Signed
  • NI 43-101 Compliant
  • SEC S-K 1300 Compliant
  • Cut-off Disclosed

Negative factors

  • Weak grade
  • Contained Metal Decline

Evidence · table

“11,868”

Context: 12,400

Fact 5View all details
Link to this fact

Identity

Ticker
URG

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-10T00:00:00.000Z

Reasoning: The estimated mine life for the Lost Creek Property has been extended by nearly three years, from 2036 Q3 to 2039 Q2.

Positive factors

  • Extended mine life

Evidence · text

“The estimated mine life (i.e., through final wellfield production but excluding additional restoration) increased by nearly three years, from 2036 Q3 per the Prior Report to 2039 Q2 per the Lost Creek Report.”
Fact 6View all details
Link to this fact

Identity

Ticker
URG

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-10T00:00:00.000Z

Reasoning: The life of mine net cash flow after income taxes increased by 45.7% to $442.2 million.

Positive factors

  • Increased net cash flow

Evidence · table

“442,196”

Context: Net Cash Flow

Fact 7View all details
Link to this fact

Identity

Ticker
URG

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-10T00:00:00.000Z

Reasoning: The NPV after income taxes (8% discount rate) increased by 47.4% to $244.1 million.

Positive factors

  • Increased NPV

Evidence · table

“244,092”

Context: NPV 8%

Fact 8View all details
Link to this fact

Identity

Ticker
URG

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-10T00:00:00.000Z

Reasoning: Estimated pounds remaining to be produced increased by approximately one million pounds to 12.7 million pounds.

Positive factors

  • Increased estimated pounds remaining to be produced

Evidence · table

“12,700”

Context: Production

Fact 9View all details
Link to this fact

Identity

Ticker
URG

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-10T00:00:00.000Z

Reasoning: The total cost per pound after tax is reported as $54.89.

Evidence · table

“54.89”

Context: Total Cost per Pound

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.