# GoldMining Announces Updated PEA Highlighting $1.0 Billion After-Tax NPV and 32% IRR at La Mina Project, Colombia

Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395

Original source: https://money.tmx.com/en/quote/GOLD/news/7195283120568243/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i

Publisher: tmx

Original announcement: 2026-04-28T10:30:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: GoldMining Inc.

- Ticker: GOLD

- Exchange: TSX

- Region: Antioquia, Colombia

- Primary commodity: Gold

- Secondary commodities: Copper, Silver

- Document categories: Resource update, Metallurgy, Other

- Extracted: 2026-09-16 02:57:45 UTC

Narrative sentiment: 0.80 · Bullish

## Minestarters Atlas summary

GoldMining Inc. announced an updated Preliminary Economic Assessment \(PEA\) for its La Mina Project in Colombia, highlighting robust economics with a $1.0 billion after-tax NPV \(5%\) and a 32.2% after-tax IRR at base case metal prices. The PEA outlines an 11.2-year open-pit operation with average annual production of 152.4 koz gold equivalent over the first five years. The study incorporates updated costs and metal prices, resulting in a 265% increase in after-tax NPV compared to the prior PEA, while utilizing the existing Mineral Resource Estimate from December 2022.

Reasoning: The updated Preliminary Economic Assessment for the La Mina Project demonstrates significantly improved project economics due to updated metal prices and costs, confirming its potential as a robust and capital-efficient development opportunity, despite relying on an older resource estimate.

- Positive factor: Significantly enhanced project value with a 265% increase in after-tax NPV from prior PEA.

- Positive factor: Strong base case economics: $1.0 billion after-tax NPV and 32.2% after-tax IRR.

- Positive factor: High capital efficiency with initial CAPEX of $523 million and an attractive 0.5x initial capital to NPV ratio.

- Positive factor: Strong production profile with average annual production of 152.4 koz AuEq over the first five years.

- Positive factor: Resilient cost profile with AISC of $1,045/oz Au.

- Positive factor: Conventional open-pit operation with proven processing flowsheet achieving high gold recoveries.

- Negative factor: The PEA is preliminary in nature and includes Inferred Mineral Resources, which are speculative.

- Negative factor: The Mineral Resource Estimate used for the PEA has an effective date of December 20, 2022, and no new drilling has been completed since then.

- Negative factor: Silver metallurgical recovery is relatively low at 64%.

Facts used in scoring: 27

## Classification and evidence

**PEA-Supporting**

Polarity: neutral

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

Why it applies: The resource estimate is explicitly stated as supporting the Preliminary Economic Assessment.

Evidence · text

> No additional drilling has been completed at La Mina in support of this updated PEA, therefore the current MRE with effective date December 20 th , 2022, remains current in support of the PEA.

**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: The resource estimate was prepared by Scott Wilson, C.P.G, SME, who is a Qualified Person.

Evidence · text

> The qualified person for the above estimate is Scott Wilson, C.P.G, SME.

**NI 43-101 Compliant**

Polarity: positive

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

Why it applies: The resource estimate and PEA disclosure are prepared in accordance with NI 43-101.

Evidence · text

> Disclosure regarding the Project, including the PEA and Mineral Resource estimates included herein, has been prepared by the Company in accordance with NI 43-101.

**Cut-off Disclosed**

Polarity: positive

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

Why it applies: The cut-off grade of 0.30 g/t Au for the resource estimate is clearly stated.

Evidence · text

> Cut-Off Grade: 0.30 g/t Au.

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: The effective date of the Mineral Resource Estimate is December 20, 2022, which is over three years old compared to the announcement date of April 28, 2026.

Evidence · table

> December 20, 2022

Context: TABLE 4: Pit Constrained Mineral Resource Estimate \(Effective Date: December 20, 2022\)

**Indicated Resource**

Polarity: positive

Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: The resource estimate includes a significant portion classified as Indicated Mineral Resource.

Evidence · table

> Total Indicated

Context: 33,772

**Inferred Resource**

Polarity: negative

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

Why it applies: The resource estimate includes a significant portion classified as Inferred Mineral Resource, which is considered speculative.

Evidence · table

> Total Inferred

Context: 56,231

**High Recovery**

Polarity: positive

Definition: Recovery at or above the exceptional band for the commodity and processing route.

Why it applies: Gold recovery of 91% is strong for a mill/CIL processing route.

Evidence · table

> 91

Context: Average gold metallurgical recovery

**Low Recovery**

Polarity: negative

Definition: Recovery below the weak band for the commodity and processing route.

Why it applies: Silver recovery of 64% is below the weak band for flotation, indicating potential processing challenges.

Evidence · table

> 64

Context: Average silver metallurgical recovery

**Mill Route**

Polarity: neutral

Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\).

Why it applies: The PEA contemplates a processing flowsheet utilizing standard froth flotation and leach circuits.

Evidence · text

> A proven processing flowsheet utilizing standard froth flotation and leach circuits achieves high metallurgical recoveries of 91% Au, 80% Cu, and 64% Ag.

## Extracted facts

Stored fact records: 27. Some facts used in scoring do not have a stored record.

## Resource Estimates (24)

### indicated

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-0)

La Mina · gold

#### Identity

- Project: La Mina
- Commodity: gold
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:dc78c9d7a1ab57daeba3
- Deposit or zone: La Cantera
- Mining method: open\_pit

#### Resource Data

- Category: indicated
- Tonnes: 17614000
- Grade: 0.86
- Grade Unit: g/t
- Contained Metal: 487
- Contained Unit: koz
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Indicated gold resource at La Cantera provides a solid foundation for the PEA, though the data is not new.

- Positive factor: Indicated category provides reasonable geological confidence.

- Positive factor: Good gold grade for a porphyry deposit.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 0.86

Context: 17,614

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### indicated

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-1)

La Mina · silver

#### Identity

- Project: La Mina
- Commodity: silver
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:dc78c9d7a1ab57daeba3
- Deposit or zone: La Cantera
- Mining method: open\_pit

#### Resource Data

- Category: indicated
- Tonnes: 17614000
- Grade: 2.03
- Grade Unit: g/t
- Contained Metal: 1150
- Contained Unit: koz
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Indicated silver resource at La Cantera contributes to the overall project value, but the data is not new.

- Positive factor: Indicated category provides reasonable geological confidence.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 2.03

Context: 17,614

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### indicated

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-2)

La Mina · copper

#### Identity

- Project: La Mina
- Commodity: copper
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:dc78c9d7a1ab57daeba3
- Deposit or zone: La Cantera
- Mining method: open\_pit

#### Resource Data

- Category: indicated
- Tonnes: 17614000
- Grade: 0.31
- Grade Unit: %
- Contained Metal: 120
- Contained Unit: mlbs
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Indicated copper resource at La Cantera is a significant contributor to the project's polymetallic nature, though the data is not new.

- Positive factor: Indicated category provides reasonable geological confidence.

- Positive factor: Good copper grade for a porphyry deposit.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 0.31

Context: 17,614

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### indicated

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-3)

La Mina · gold\_equivalent

#### Identity

- Project: La Mina
- Commodity: gold\_equivalent
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:dc78c9d7a1ab57daeba3
- Deposit or zone: La Cantera
- Mining method: open\_pit

#### Resource Data

- Category: indicated
- Tonnes: 17614000
- Grade: 1.32
- Grade Unit: g/t
- Contained Metal: 753
- Contained Unit: koz
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Metal Eq. Grade: 1.32
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Indicated gold equivalent resource at La Cantera highlights the overall value of the polymetallic mineralization, though the data is not new.

- Positive factor: Indicated category provides reasonable geological confidence.

- Positive factor: Strong gold equivalent grade for a porphyry deposit.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 1.32

Context: 17,614

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### indicated

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-4)

La Mina · gold

#### Identity

- Project: La Mina
- Commodity: gold
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:93a5cda36eef9e5edc2e
- Deposit or zone: La Garrucha
- Mining method: open\_pit

#### Resource Data

- Category: indicated
- Tonnes: 7358000
- Grade: 0.65
- Grade Unit: g/t
- Contained Metal: 154
- Contained Unit: koz
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Indicated gold resource at La Garrucha contributes to the overall project, but the data is not new.

- Positive factor: Indicated category provides reasonable geological confidence.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 0.65

Context: 7,358

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### indicated

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-5)

La Mina · silver

#### Identity

- Project: La Mina
- Commodity: silver
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:93a5cda36eef9e5edc2e
- Deposit or zone: La Garrucha
- Mining method: open\_pit

#### Resource Data

- Category: indicated
- Tonnes: 7358000
- Grade: 3.14
- Grade Unit: g/t
- Contained Metal: 743
- Contained Unit: koz
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Indicated silver resource at La Garrucha contributes to the overall project, but the data is not new.

- Positive factor: Indicated category provides reasonable geological confidence.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 3.14

Context: 7,358

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### indicated

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-6)

La Mina · copper

#### Identity

- Project: La Mina
- Commodity: copper
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:93a5cda36eef9e5edc2e
- Deposit or zone: La Garrucha
- Mining method: open\_pit

#### Resource Data

- Category: indicated
- Tonnes: 7358000
- Grade: 0.11
- Grade Unit: %
- Contained Metal: 18
- Contained Unit: mlbs
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Indicated copper resource at La Garrucha is lower grade but still contributes to the polymetallic nature, though the data is not new.

- Positive factor: Indicated category provides reasonable geological confidence.

- Negative factor: Lower copper grade compared to other zones.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 0.11

Context: 7,358

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### indicated

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-7)

La Mina · gold\_equivalent

#### Identity

- Project: La Mina
- Commodity: gold\_equivalent
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:93a5cda36eef9e5edc2e
- Deposit or zone: La Garrucha
- Mining method: open\_pit

#### Resource Data

- Category: indicated
- Tonnes: 7358000
- Grade: 0.84
- Grade Unit: g/t
- Contained Metal: 201
- Contained Unit: koz
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Metal Eq. Grade: 0.84
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Indicated gold equivalent resource at La Garrucha contributes to the overall project value, though the data is not new.

- Positive factor: Indicated category provides reasonable geological confidence.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 0.84

Context: 7,358

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### indicated

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-8)

La Mina · gold

#### Identity

- Project: La Mina
- Commodity: gold
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:e78e45c8d2e6ca9b294e
- Deposit or zone: Middle Zone
- Mining method: open\_pit

#### Resource Data

- Category: indicated
- Tonnes: 8800000
- Grade: 0.54
- Grade Unit: g/t
- Contained Metal: 153
- Contained Unit: koz
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Indicated gold resource at Middle Zone contributes to the overall project, but the data is not new.

- Positive factor: Indicated category provides reasonable geological confidence.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 0.54

Context: 8,800

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### indicated

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-9)

La Mina · silver

#### Identity

- Project: La Mina
- Commodity: silver
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:e78e45c8d2e6ca9b294e
- Deposit or zone: Middle Zone
- Mining method: open\_pit

#### Resource Data

- Category: indicated
- Tonnes: 8800000
- Grade: 1.28
- Grade Unit: g/t
- Contained Metal: 362
- Contained Unit: koz
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Indicated silver resource at Middle Zone contributes to the overall project, but the data is not new.

- Positive factor: Indicated category provides reasonable geological confidence.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 1.28

Context: 8,800

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### indicated

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-10)

La Mina · copper

#### Identity

- Project: La Mina
- Commodity: copper
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:e78e45c8d2e6ca9b294e
- Deposit or zone: Middle Zone
- Mining method: open\_pit

#### Resource Data

- Category: indicated
- Tonnes: 8800000
- Grade: 0.11
- Grade Unit: %
- Contained Metal: 21
- Contained Unit: mlbs
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Indicated copper resource at Middle Zone is lower grade but still contributes to the polymetallic nature, though the data is not new.

- Positive factor: Indicated category provides reasonable geological confidence.

- Negative factor: Lower copper grade compared to other zones.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 0.11

Context: 8,800

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### indicated

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-11)

La Mina · gold\_equivalent

#### Identity

- Project: La Mina
- Commodity: gold\_equivalent
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:e78e45c8d2e6ca9b294e
- Deposit or zone: Middle Zone
- Mining method: open\_pit

#### Resource Data

- Category: indicated
- Tonnes: 8800000
- Grade: 0.71
- Grade Unit: g/t
- Contained Metal: 201
- Contained Unit: koz
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Metal Eq. Grade: 0.71
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Indicated gold equivalent resource at Middle Zone contributes to the overall project value, though the data is not new.

- Positive factor: Indicated category provides reasonable geological confidence.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 0.71

Context: 8,800

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-12)

La Mina · gold

#### Identity

- Project: La Mina
- Commodity: gold
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:2262fa80963735ae3b36
- Deposit or zone: La Cantera
- Mining method: open\_pit

#### Resource Data

- Category: inferred
- Tonnes: 11175000
- Grade: 0.71
- Grade Unit: g/t
- Contained Metal: 255
- Contained Unit: koz
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Inferred gold resource at La Cantera provides exploration upside but carries higher geological uncertainty, and the data is not new.

- Negative factor: Inferred category has high geological uncertainty.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 0.71

Context: 11,175

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-13)

La Mina · silver

#### Identity

- Project: La Mina
- Commodity: silver
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:2262fa80963735ae3b36
- Deposit or zone: La Cantera
- Mining method: open\_pit

#### Resource Data

- Category: inferred
- Tonnes: 11175000
- Grade: 1.85
- Grade Unit: g/t
- Contained Metal: 665
- Contained Unit: koz
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Inferred silver resource at La Cantera provides exploration upside but carries higher geological uncertainty, and the data is not new.

- Negative factor: Inferred category has high geological uncertainty.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 1.85

Context: 11,175

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-14)

La Mina · copper

#### Identity

- Project: La Mina
- Commodity: copper
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:2262fa80963735ae3b36
- Deposit or zone: La Cantera
- Mining method: open\_pit

#### Resource Data

- Category: inferred
- Tonnes: 11175000
- Grade: 0.3
- Grade Unit: %
- Contained Metal: 73
- Contained Unit: mlbs
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Inferred copper resource at La Cantera provides exploration upside but carries higher geological uncertainty, and the data is not new.

- Negative factor: Inferred category has high geological uncertainty.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 0.30

Context: 11,175

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-15)

La Mina · gold\_equivalent

#### Identity

- Project: La Mina
- Commodity: gold\_equivalent
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:2262fa80963735ae3b36
- Deposit or zone: La Cantera
- Mining method: open\_pit

#### Resource Data

- Category: inferred
- Tonnes: 11175000
- Grade: 1.15
- Grade Unit: g/t
- Contained Metal: 413
- Contained Unit: koz
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Metal Eq. Grade: 1.15
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Inferred gold equivalent resource at La Cantera provides exploration upside but carries higher geological uncertainty, and the data is not new.

- Negative factor: Inferred category has high geological uncertainty.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 1.15

Context: 11,175

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-16)

La Mina · gold

#### Identity

- Project: La Mina
- Commodity: gold
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:f4fdef53f76d4c3dba6e
- Deposit or zone: La Garrucha
- Mining method: open\_pit

#### Resource Data

- Category: inferred
- Tonnes: 44107000
- Grade: 0.55
- Grade Unit: g/t
- Contained Metal: 780
- Contained Unit: koz
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Inferred gold resource at La Garrucha provides exploration upside but carries higher geological uncertainty, and the data is not new.

- Negative factor: Inferred category has high geological uncertainty.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 0.55

Context: 44,107

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-17)

La Mina · silver

#### Identity

- Project: La Mina
- Commodity: silver
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:f4fdef53f76d4c3dba6e
- Deposit or zone: La Garrucha
- Mining method: open\_pit

#### Resource Data

- Category: inferred
- Tonnes: 44107000
- Grade: 2.46
- Grade Unit: g/t
- Contained Metal: 3488
- Contained Unit: koz
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Inferred silver resource at La Garrucha provides exploration upside but carries higher geological uncertainty, and the data is not new.

- Negative factor: Inferred category has high geological uncertainty.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 2.46

Context: 44,107

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-18)

La Mina · copper

#### Identity

- Project: La Mina
- Commodity: copper
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:f4fdef53f76d4c3dba6e
- Deposit or zone: La Garrucha
- Mining method: open\_pit

#### Resource Data

- Category: inferred
- Tonnes: 44107000
- Grade: 0.1
- Grade Unit: %
- Contained Metal: 97
- Contained Unit: mlbs
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Inferred copper resource at La Garrucha provides exploration upside but carries higher geological uncertainty and lower grade, and the data is not new.

- Negative factor: Inferred category has high geological uncertainty.

- Negative factor: Lower copper grade compared to other zones.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 0.10

Context: 44,107

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-19)

La Mina · gold\_equivalent

#### Identity

- Project: La Mina
- Commodity: gold\_equivalent
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:f4fdef53f76d4c3dba6e
- Deposit or zone: La Garrucha
- Mining method: open\_pit

#### Resource Data

- Category: inferred
- Tonnes: 44107000
- Grade: 0.72
- Grade Unit: g/t
- Contained Metal: 1020
- Contained Unit: koz
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Metal Eq. Grade: 0.72
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Inferred gold equivalent resource at La Garrucha provides exploration upside but carries higher geological uncertainty, and the data is not new.

- Negative factor: Inferred category has high geological uncertainty.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 0.72

Context: 44,107

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-20)

La Mina · gold

#### Identity

- Project: La Mina
- Commodity: gold
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:7937b0e822f5a746e96f
- Deposit or zone: Middle Zone
- Mining method: open\_pit

#### Resource Data

- Category: inferred
- Tonnes: 949000
- Grade: 0.47
- Grade Unit: g/t
- Contained Metal: 14
- Contained Unit: koz
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Inferred gold resource at Middle Zone is small and carries high geological uncertainty, and the data is not new.

- Negative factor: Inferred category has high geological uncertainty.

- Negative factor: Small tonnage for this zone.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 0.47

Context: 949

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-21)

La Mina · silver

#### Identity

- Project: La Mina
- Commodity: silver
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:7937b0e822f5a746e96f
- Deposit or zone: Middle Zone
- Mining method: open\_pit

#### Resource Data

- Category: inferred
- Tonnes: 949000
- Grade: 1.15
- Grade Unit: g/t
- Contained Metal: 35
- Contained Unit: koz
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Inferred silver resource at Middle Zone is small and carries high geological uncertainty, and the data is not new.

- Negative factor: Inferred category has high geological uncertainty.

- Negative factor: Small tonnage for this zone.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 1.15

Context: 949

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-22)

La Mina · copper

#### Identity

- Project: La Mina
- Commodity: copper
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:7937b0e822f5a746e96f
- Deposit or zone: Middle Zone
- Mining method: open\_pit

#### Resource Data

- Category: inferred
- Tonnes: 949000
- Grade: 0.09
- Grade Unit: %
- Contained Metal: 2
- Contained Unit: mlbs
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Inferred copper resource at Middle Zone is small, low grade, and carries high geological uncertainty, and the data is not new.

- Negative factor: Inferred category has high geological uncertainty.

- Negative factor: Small tonnage for this zone.

- Negative factor: Lower copper grade compared to other zones.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 0.09

Context: 949

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-resource-facts-23)

La Mina · gold\_equivalent

#### Identity

- Project: La Mina
- Commodity: gold\_equivalent
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Resource scope

- Estimate type: resource
- Effective date: 2022-12-20T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Scott Wilson, C.P.G, SME
- Resource group id: resource:7937b0e822f5a746e96f
- Deposit or zone: Middle Zone
- Mining method: open\_pit

#### Resource Data

- Category: inferred
- Tonnes: 949000
- Grade: 0.61
- Grade Unit: g/t
- Contained Metal: 19
- Contained Unit: koz
- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Prior Estimate

- Resource Date: 2022-12-20

#### Metal Equivalent

- Metal Eq. Grade: 0.61
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Inferred gold equivalent resource at Middle Zone is small and carries high geological uncertainty, and the data is not new.

- Negative factor: Inferred category has high geological uncertainty.

- Negative factor: Small tonnage for this zone.

- Negative factor: Resource estimate is over three years old, reducing novelty.

Evidence · table

> 0.61

Context: 949

#### 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

**PEA-Supporting**

Polarity: neutral

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

Why it applies: the release names the study this estimate supports

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.4 years before this release

## Metallurgical Results (3)

### Fact 1

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-metallurgical-facts-24)

La Mina · gold

#### Identity

- Project: La Mina
- Commodity: gold
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Test Work

- Program Status: detailed
- Processing Route: standard froth flotation and leach circuits

#### Recovery

- Recovery: 91 %
- Recovery Basis: actual\_test
- Head Grade: 0.72
- Head Grade Unit: g/t

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Excellent gold recovery is a key positive factor for the project's economics, indicating efficient processing.

- Positive factor: High gold recovery \(91%\) for a mill/CIL route, exceeding strong thresholds.

Evidence · table

> 91

Context: 0.72

#### Tags used in scoring

**Mill Route**

Polarity: neutral

Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\).

Why it applies: processing\_route matches the flotation signal

**Byproduct Commodity**

Polarity: neutral

Definition: The tested commodity is a byproduct rather than the primary economic driver.

Why it applies: the release describes a byproduct credit

### Fact 2

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-metallurgical-facts-25)

La Mina · copper

#### Identity

- Project: La Mina
- Commodity: copper
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Test Work

- Program Status: detailed
- Processing Route: standard froth flotation and leach circuits

#### Recovery

- Recovery: 80 %
- Recovery Basis: actual\_test
- Head Grade: 0.19
- Head Grade Unit: %

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Copper recovery is acceptable but not strong, suggesting potential for optimization or a trade-off with other metals.

- Negative factor: Copper recovery \(80%\) is at the lower end of the weak band for flotation.

Evidence · table

> 80

Context: 0.19

#### Tags used in scoring

**Mill Route**

Polarity: neutral

Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\).

Why it applies: processing\_route matches the flotation signal

**Byproduct Commodity**

Polarity: neutral

Definition: The tested commodity is a byproduct rather than the primary economic driver.

Why it applies: the release describes a byproduct credit

### Fact 3

[Link to this fact](https://atlas-extractions.minestarters.com/news/goldmining-announces-updated-pea-highlighting-1-0-billion-after-tax-npv-and-32-i--48c2e0c0-6575-47b7-8a1b-d421e27a0395#fact-metallurgical-facts-26)

La Mina · silver

#### Identity

- Project: La Mina
- Commodity: silver
- Region: colombia
- Reported Region: Antioquia, Colombia
- Ticker: GOLD

#### Test Work

- Program Status: detailed
- Processing Route: standard froth flotation and leach circuits

#### Recovery

- Recovery: 64 %
- Recovery Basis: actual\_test
- Head Grade: 2.36
- Head Grade Unit: g/t

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-28T00:00:00.000Z

Reasoning: Low silver recovery is a negative factor that could impact overall project economics and may require further metallurgical optimization.

- Negative factor: Silver recovery \(64%\) is below the weak band for flotation, indicating potential processing challenges or losses.

Evidence · table

> 64

Context: 2.36

#### Tags used in scoring

**Mill Route**

Polarity: neutral

Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\).

Why it applies: processing\_route matches the flotation signal

**Low Recovery**

Polarity: negative

Definition: Recovery below the weak band for the commodity and processing route.

Why it applies: 64% is below the weak band \(75%\)

**Byproduct Commodity**

Polarity: neutral

Definition: The tested commodity is a byproduct rather than the primary economic driver.

Why it applies: the release describes a byproduct credit

## 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.
