# Minsud reports significant mineral resources growth at Chita Valley Deposits

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65

Original source: https://money.tmx.com/en/quote/MSR/news/4623956497782096/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits

Publisher: tmx

Original announcement: 2026-02-27T15:28:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Minsud Resources Corp.

- Ticker: MSR

- Exchange: TSX

- Region: San Juan Province, Argentina

- Primary commodity: Copper

- Secondary commodities: Silver, Gold, Molybdenum, Zinc

- Document categories: Resource update

- Extracted: 2026-08-25 22:52:21 UTC

Narrative sentiment: 0.90 · Bullish

## Minestarters Atlas summary

Minsud Resources Corp. announced a significant increase in mineral resources for its Chita Valley Project, effective February 20, 2026. The updated estimate reports substantial Indicated and Inferred resources across two deposits, Chinchillones and Chita South, with significant contained copper, silver, gold, molybdenum, and zinc. The resources are considered suitable for open-pit mining and were prepared in compliance with NI 43-101 standards.

Reasoning: Minsud reports substantial growth in both Indicated and Inferred mineral resources for its Chita Valley Project, with significant contained metal across multiple commodities, prepared under NI 43-101 standards by a Qualified Person. This update represents a material increase in the project's scale and potential, although a large portion remains in the Inferred category.

- Positive factor: Significant resource growth

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Positive factor: Detailed disclosure of metal equivalent assumptions and cut-offs

- Positive factor: Resources suitable for open-pit mining

- Negative factor: Significant portion of resources in Inferred category

Facts used in scoring: 96

## Classification and evidence

**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 Mineral Resource Estimate was prepared by Mr. Michael Job, FAusIMM \(Geo\), Principal Geology and Geostatistics at Cube Consulting, who is a Qualified Person and independent of the issuer as defined in National Instrument 43-101, and reviewed by Dr Renato Bobis, MAusIMM CP \(Geo\).

Evidence · text

> The Mineral Resource Estimate was prepared by Mr. Michael Job, FAusIMM \(Geo\), Principal Geology and Geostatistics at Cube Consulting. He is a Qualified Person and independent of the issuer as defined in National Instrument 43-101. The scientific and technical information in this press release has been compiled, reviewed and approved by Dr Renato Bobis, MAusIMM CP \(Geo\), part-time VP-Exploration of the Company, and is a qualified person as defined by Canadian National Instrument 43-101.

**NI 43-101 Compliant**

Polarity: positive

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

Why it applies: The Mineral Resource Estimate was prepared by a Qualified Person under NI 43-101 standards and the full technical report will be filed in compliance with National Instrument 43-101.

Evidence · text

> As a Qualified Person \(QP\) under NI 43-101 standards, Mr. Job oversaw all aspects of the Mineral Resource Estimation. ... The full technical report, prepared by Cube in compliance with National Instrument 43-101 - Standards of Disclosure for Mineral Projects \("NI-43-101"\), will be filed on SEDAR+ \( www.sedarplus.ca \) under the Company's issuer profile within 45 days of this news release.

**JORC Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard.

Why it applies: The estimate is reported using the 2014 CIM Definition Standards, which are aligned with JORC.

Evidence · text

> The estimate is reported using the 2014 CIM Definition Standards.

**Tonnage Growth**

Polarity: positive

Definition: Significant tonnage increase \(≥15%\) vs prior estimate with grade maintained or improved.

Why it applies: Indicated Resources for Chinchillones increased by 30.7% and Inferred Resources by 37.8%.

Evidence · text

> Indicated Resources: 30.7 % increase; ... Inferred Resources: 37.8% increase;

**Contained Metal Growth**

Polarity: positive

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

Why it applies: The significant tonnage increases for both Indicated and Inferred resources, combined with reported grades, imply a substantial growth in contained metal.

Evidence · text

> Indicated Resources: 30.7 % increase; 1,014 kt CuEq ... Inferred Resources: 37.8% increase; 2,823 kt CuEq

**Cut-off Disclosed**

Polarity: positive

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

Why it applies: Net Smelter Return \(NSR\) cut-offs are disclosed for different geological domains.

Evidence · text

> The economic grades of the Mineral Resource Estimate \(MRE\) have been reported above Net Smelter Return \(NSR\) cut-offs that vary by deposit and domain. These NSR cut-offs are: Chinchillones low zinc geological domain - US$10.00/tonne Chinchillones high zinc geological domain - US$11.65/tonne PSU secondary enriched domain – US$7.10/tonne

**Inferred Resource**

Polarity: negative

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

Why it applies: A significant portion of the total resource, 955 M Tonnes, is classified as Inferred.

Evidence · table

> 955

Context: Inferred

**Resource Update**

Polarity: neutral

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

Why it applies: The announcement reports an updated Mineral Resource Estimate for the Chita Valley Project, building on previous estimates.

Evidence · text

> Minsud reports significant mineral resources growth at Chita Valley Deposits

## Extracted facts

Stored fact records: 96. Some facts used in scoring do not have a stored record.

## Resource Estimates (96)

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-0)

Chinchillones · copper\_equivalent

#### Identity

- Project: Chinchillones
- Commodity: copper\_equivalent
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 177000000
- Grade: 0.37
- Grade Unit: % CuEq
- Contained Metal: 662000
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Indicated resource for the Low Zinc domain at Chinchillones shows a substantial tonnage and a good copper equivalent grade, supported by transparent reporting and QP sign-off, contributing significantly to the project's overall resource base.

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.37

Context: 177

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-1)

Chinchillones · copper

#### Identity

- Project: Chinchillones
- Commodity: copper
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 177000000
- Grade: 0.24
- Grade Unit: %
- Contained Metal: 428000
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The Indicated copper resource for the Low Zinc domain at Chinchillones is substantial, contributing significantly to the project's overall metal content and economic potential.

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper grade for open-pit polymetallic deposit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.24

Context: 177

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-2)

Chinchillones · silver

#### Identity

- Project: Chinchillones
- Commodity: silver
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 177000000
- Grade: 8.1
- Grade Unit: g/t
- Contained Metal: 46000000
- Contained Unit: oz
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The Indicated silver resource adds valuable polymetallic credits to the Chinchillones deposit, enhancing its overall economic viability.

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Silver provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 8.1

Context: 177

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-3)

Chinchillones · gold

#### Identity

- Project: Chinchillones
- Commodity: gold
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 177000000
- Grade: 0.1
- Grade Unit: g/t
- Contained Metal: 562000
- Contained Unit: oz
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The Indicated gold resource contributes to the polymetallic nature of the Chinchillones deposit, adding to its economic potential.

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Gold provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.10

Context: 177

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-4)

Chinchillones · molybdenum

#### Identity

- Project: Chinchillones
- Commodity: molybdenum
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 177000000
- Grade: 45.1
- Grade Unit: ppm
- Contained Metal: 8000
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The Indicated molybdenum resource, while lower grade, contributes to the polymetallic nature of the Chinchillones deposit.

- Positive factor: Molybdenum provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 45.1

Context: 177

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-5)

Chinchillones · zinc

#### Identity

- Project: Chinchillones
- Commodity: zinc
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 177000000
- Grade: 0
- Grade Unit: %
- Contained Metal: 0
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The Low Zinc domain at Chinchillones shows no zinc content, as expected from its classification.

- Negative factor: No zinc content in this domain

Evidence · table

> 0.0

Context: 177

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-6)

Chinchillones · copper\_equivalent

#### Identity

- Project: Chinchillones
- Commodity: copper\_equivalent
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 681000000
- Grade: 0.32
- Grade Unit: % CuEq
- Contained Metal: 2176000
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This very large Inferred resource for the Low Zinc domain at Chinchillones indicates significant exploration potential, with a good copper equivalent grade, but requires further drilling to upgrade confidence.

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.32

Context: 681

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-7)

Chinchillones · copper

#### Identity

- Project: Chinchillones
- Commodity: copper
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 681000000
- Grade: 0.19
- Grade Unit: %
- Contained Metal: 1321000
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The Inferred copper resource for the Low Zinc domain at Chinchillones is very substantial, highlighting significant future potential for the project.

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper grade for open-pit polymetallic deposit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.19

Context: 681

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-8)

Chinchillones · silver

#### Identity

- Project: Chinchillones
- Commodity: silver
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 681000000
- Grade: 6.8
- Grade Unit: g/t
- Contained Metal: 148800000
- Contained Unit: oz
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The Inferred silver resource for the Low Zinc domain at Chinchillones adds significant polymetallic credits, indicating further value potential.

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Silver provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 6.8

Context: 681

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-9)

Chinchillones · gold

#### Identity

- Project: Chinchillones
- Commodity: gold
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 681000000
- Grade: 0.08
- Grade Unit: g/t
- Contained Metal: 1768000
- Contained Unit: oz
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The Inferred gold resource for the Low Zinc domain at Chinchillones contributes to the overall polymetallic value, suggesting further upside with additional drilling.

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Gold provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.08

Context: 681

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-10)

Chinchillones · molybdenum

#### Identity

- Project: Chinchillones
- Commodity: molybdenum
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 681000000
- Grade: 96.1
- Grade Unit: ppm
- Contained Metal: 65400
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The Inferred molybdenum resource for the Low Zinc domain at Chinchillones adds to the polymetallic nature and potential of the deposit.

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Molybdenum provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 96.1

Context: 681

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-11)

Chinchillones · zinc

#### Identity

- Project: Chinchillones
- Commodity: zinc
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 681000000
- Grade: 0
- Grade Unit: %
- Contained Metal: 0
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The Inferred resource for the Low Zinc domain at Chinchillones contains no zinc, consistent with its geological classification.

- Negative factor: No zinc content in this domain

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.0

Context: 681

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-12)

Chinchillones · copper\_equivalent

#### Identity

- Project: Chinchillones
- Commodity: copper\_equivalent
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 56000000
- Grade: 0.63
- Grade Unit: % CuEq
- Contained Metal: 352000
- Contained Unit: t
- Cutoff Grade: 11.65

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Indicated resource for the High Zinc domain at Chinchillones shows a high copper equivalent grade over a significant tonnage, indicating a valuable polymetallic component.

- Positive factor: High copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.63

Context: 56

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-13)

Chinchillones · copper

#### Identity

- Project: Chinchillones
- Commodity: copper
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 56000000
- Grade: 0.17
- Grade Unit: %
- Contained Metal: 93000
- Contained Unit: t
- Cutoff Grade: 11.65

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The Indicated copper resource for the High Zinc domain at Chinchillones contributes to the overall copper inventory, despite a lower individual copper grade compared to the CuEq.

- Positive factor: Significant Indicated resource tonnage

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.17

Context: 56

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-14)

Chinchillones · silver

#### Identity

- Project: Chinchillones
- Commodity: silver
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 56000000
- Grade: 15.1
- Grade Unit: g/t
- Contained Metal: 27300000
- Contained Unit: oz
- Cutoff Grade: 11.65

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The Indicated silver resource for the High Zinc domain at Chinchillones shows a high grade, significantly enhancing the polymetallic value of this domain.

- Positive factor: High silver grade for polymetallic deposit

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Silver provides strong polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 15.1

Context: 56

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-15)

Chinchillones · gold

#### Identity

- Project: Chinchillones
- Commodity: gold
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 56000000
- Grade: 0.11
- Grade Unit: g/t
- Contained Metal: 192000
- Contained Unit: oz
- Cutoff Grade: 11.65

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The Indicated gold resource for the High Zinc domain at Chinchillones contributes to the overall polymetallic value, adding to the project's economic potential.

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Gold provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.11

Context: 56

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-16)

Chinchillones · molybdenum

#### Identity

- Project: Chinchillones
- Commodity: molybdenum
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 56000000
- Grade: 0
- Grade Unit: ppm
- Contained Metal: 0
- Contained Unit: t
- Cutoff Grade: 11.65

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The High Zinc domain at Chinchillones shows no molybdenum content, consistent with the metal equivalent calculation assumptions.

- Negative factor: No molybdenum content in this domain

Evidence · table

> 0.0

Context: 56

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-17)

Chinchillones · zinc

#### Identity

- Project: Chinchillones
- Commodity: zinc
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 56000000
- Grade: 0.67
- Grade Unit: %
- Contained Metal: 375000
- Contained Unit: t
- Cutoff Grade: 11.65

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The Indicated zinc resource for the High Zinc domain at Chinchillones shows a good grade, making zinc a significant contributor to the polymetallic value of this domain.

- Positive factor: Significant zinc grade for polymetallic deposit

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Zinc provides strong polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.67

Context: 56

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-18)

Chinchillones · copper\_equivalent

#### Identity

- Project: Chinchillones
- Commodity: copper\_equivalent
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 101000000
- Grade: 0.64
- Grade Unit: % CuEq
- Contained Metal: 647000
- Contained Unit: t
- Cutoff Grade: 11.65

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Inferred resource for the High Zinc domain at Chinchillones shows a high copper equivalent grade over a significant tonnage, indicating strong exploration potential for this valuable polymetallic zone.

- Positive factor: High copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Significant Inferred resource tonnage

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.64

Context: 101

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-19)

Chinchillones · copper

#### Identity

- Project: Chinchillones
- Commodity: copper
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 101000000
- Grade: 0.19
- Grade Unit: %
- Contained Metal: 193000
- Contained Unit: t
- Cutoff Grade: 11.65

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The Inferred copper resource for the High Zinc domain at Chinchillones adds to the overall copper inventory, indicating further potential for this zone.

- Positive factor: Significant Inferred resource tonnage

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.19

Context: 101

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-20)

Chinchillones · silver

#### Identity

- Project: Chinchillones
- Commodity: silver
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 101000000
- Grade: 14.5
- Grade Unit: g/t
- Contained Metal: 47000000
- Contained Unit: oz
- Cutoff Grade: 11.65

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The Inferred silver resource for the High Zinc domain at Chinchillones shows a high grade, further enhancing the polymetallic value and exploration potential of this domain.

- Positive factor: High silver grade for polymetallic deposit

- Positive factor: Significant Inferred resource tonnage

- Positive factor: Silver provides strong polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 14.5

Context: 101

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-21)

Chinchillones · gold

#### Identity

- Project: Chinchillones
- Commodity: gold
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 101000000
- Grade: 0.09
- Grade Unit: g/t
- Contained Metal: 283000
- Contained Unit: oz
- Cutoff Grade: 11.65

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The Inferred gold resource for the High Zinc domain at Chinchillones contributes to the overall polymetallic value, indicating further potential for this zone.

- Positive factor: Significant Inferred resource tonnage

- Positive factor: Gold provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.09

Context: 101

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-22)

Chinchillones · molybdenum

#### Identity

- Project: Chinchillones
- Commodity: molybdenum
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 101000000
- Grade: 0
- Grade Unit: ppm
- Contained Metal: 0
- Contained Unit: t
- Cutoff Grade: 11.65

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The Inferred resource for the High Zinc domain at Chinchillones contains no molybdenum, consistent with the metal equivalent calculation assumptions.

- Negative factor: No molybdenum content in this domain

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.0

Context: 101

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-23)

Chinchillones · zinc

#### Identity

- Project: Chinchillones
- Commodity: zinc
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 101000000
- Grade: 0.71
- Grade Unit: %
- Contained Metal: 719000
- Contained Unit: t
- Cutoff Grade: 11.65

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The Inferred zinc resource for the High Zinc domain at Chinchillones shows a good grade, making zinc a significant contributor to the polymetallic value and exploration potential of this domain.

- Positive factor: High zinc grade for polymetallic deposit

- Positive factor: Significant Inferred resource tonnage

- Positive factor: Zinc provides strong polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.71

Context: 101

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-24)

Chinchillones · copper\_equivalent

#### Identity

- Project: Chinchillones
- Commodity: copper\_equivalent
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 233000000
- Grade: 0.44
- Grade Unit: % CuEq
- Contained Metal: 1014000
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Indicated resource for Chinchillones shows a substantial tonnage and a good copper equivalent grade, representing a significant and confident portion of the project's overall resource.

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.44

Context: 233

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-25)

Chinchillones · copper

#### Identity

- Project: Chinchillones
- Commodity: copper
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 233000000
- Grade: 0.22
- Grade Unit: %
- Contained Metal: 521000
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Indicated copper resource for Chinchillones is substantial, forming a key part of the project's economic foundation.

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper grade for open-pit polymetallic deposit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.22

Context: 233

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-26)

Chinchillones · silver

#### Identity

- Project: Chinchillones
- Commodity: silver
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 233000000
- Grade: 10.1
- Grade Unit: g/t
- Contained Metal: 73200000
- Contained Unit: oz
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Indicated silver resource for Chinchillones adds valuable polymetallic credits, enhancing the project's overall economic profile.

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Silver provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 10.1

Context: 233

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-27)

Chinchillones · gold

#### Identity

- Project: Chinchillones
- Commodity: gold
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 233000000
- Grade: 0.1
- Grade Unit: g/t
- Contained Metal: 754000
- Contained Unit: oz
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Indicated gold resource for Chinchillones contributes to the polymetallic nature of the deposit, adding to its economic potential.

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Gold provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.10

Context: 233

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-28)

Chinchillones · molybdenum

#### Identity

- Project: Chinchillones
- Commodity: molybdenum
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 233000000
- Grade: 34.3
- Grade Unit: ppm
- Contained Metal: 8000
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Indicated molybdenum resource for Chinchillones contributes to the polymetallic nature and potential of the deposit.

- Positive factor: Molybdenum provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 34.3

Context: 233

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-29)

Chinchillones · zinc

#### Identity

- Project: Chinchillones
- Commodity: zinc
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 233000000
- Grade: 0.16
- Grade Unit: %
- Contained Metal: 375000
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Indicated zinc resource for Chinchillones adds to the polymetallic value, enhancing the project's overall economic profile.

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Zinc provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.16

Context: 233

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-30)

Chinchillones · copper\_equivalent

#### Identity

- Project: Chinchillones
- Commodity: copper\_equivalent
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 782000000
- Grade: 0.36
- Grade Unit: % CuEq
- Contained Metal: 2823000
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Inferred resource for Chinchillones represents a very large tonnage with a good copper equivalent grade, indicating significant exploration potential for the project.

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.36

Context: 782

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-31)

Chinchillones · copper

#### Identity

- Project: Chinchillones
- Commodity: copper
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 782000000
- Grade: 0.19
- Grade Unit: %
- Contained Metal: 1514000
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Inferred copper resource for Chinchillones is very substantial, highlighting significant future potential for the project.

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper grade for open-pit polymetallic deposit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.19

Context: 782

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-32)

Chinchillones · silver

#### Identity

- Project: Chinchillones
- Commodity: silver
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 782000000
- Grade: 8.1
- Grade Unit: g/t
- Contained Metal: 195800000
- Contained Unit: oz
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Inferred silver resource for Chinchillones adds significant polymetallic credits, indicating further value potential for the project.

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Silver provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 8.1

Context: 782

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-33)

Chinchillones · gold

#### Identity

- Project: Chinchillones
- Commodity: gold
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 782000000
- Grade: 0.08
- Grade Unit: g/t
- Contained Metal: 2051000
- Contained Unit: oz
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Inferred gold resource for Chinchillones contributes to the overall polymetallic value, suggesting further upside with additional drilling.

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Gold provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.08

Context: 782

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-34)

Chinchillones · molybdenum

#### Identity

- Project: Chinchillones
- Commodity: molybdenum
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 782000000
- Grade: 83.7
- Grade Unit: ppm
- Contained Metal: 65400
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Inferred molybdenum resource for Chinchillones adds to the polymetallic nature and potential of the deposit.

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Molybdenum provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 83.7

Context: 782

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-35)

Chinchillones · zinc

#### Identity

- Project: Chinchillones
- Commodity: zinc
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 782000000
- Grade: 0.09
- Grade Unit: %
- Contained Metal: 719000
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Inferred zinc resource for Chinchillones adds to the polymetallic value, enhancing the project's overall economic profile and exploration potential.

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Zinc provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.09

Context: 782

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-36)

Chita South Porphyry \(PSU\) · copper\_equivalent

#### Identity

- Project: Chita South Porphyry \(PSU\)
- Commodity: copper\_equivalent
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 7000000
- Grade: 0.3
- Grade Unit: % CuEq
- Contained Metal: 19000
- Contained Unit: t
- Cutoff Grade: 7.1

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Indicated resource for Chita South Porphyry shows a good copper equivalent grade, providing a confident base for this part of the project.

- Positive factor: Good copper equivalent grade for porphyry deposit

- Positive factor: Indicated resource category

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.30

Context: 7

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-37)

Chita South Porphyry \(PSU\) · silver

#### Identity

- Project: Chita South Porphyry \(PSU\)
- Commodity: silver
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 7000000
- Grade: 0
- Grade Unit: g/t
- Cutoff Grade: 7.1

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Indicated resource for Chita South Porphyry shows no silver content, consistent with the reported grades.

- Negative factor: No silver content in this domain

Evidence · table

> 0.0

Context: 7

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-38)

Chita South Porphyry \(PSU\) · gold

#### Identity

- Project: Chita South Porphyry \(PSU\)
- Commodity: gold
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 7000000
- Grade: 0
- Grade Unit: g/t
- Cutoff Grade: 7.1

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Indicated resource for Chita South Porphyry shows no gold content, consistent with the reported grades.

- Negative factor: No gold content in this domain

Evidence · table

> 0.0

Context: 7

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-39)

Chita South Porphyry \(PSU\) · molybdenum

#### Identity

- Project: Chita South Porphyry \(PSU\)
- Commodity: molybdenum
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 7000000
- Grade: 0
- Grade Unit: ppm
- Cutoff Grade: 7.1

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Indicated resource for Chita South Porphyry shows no molybdenum content, consistent with the reported grades.

- Negative factor: No molybdenum content in this domain

Evidence · table

> 0.0

Context: 7

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-40)

Chita South Porphyry \(PSU\) · zinc

#### Identity

- Project: Chita South Porphyry \(PSU\)
- Commodity: zinc
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 7000000
- Grade: 0
- Grade Unit: %
- Cutoff Grade: 7.1

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Indicated resource for Chita South Porphyry shows no zinc content, consistent with the reported grades.

- Negative factor: No zinc content in this domain

Evidence · table

> 0.0

Context: 7

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-41)

Chita South Porphyry \(PSU\) · copper\_equivalent

#### Identity

- Project: Chita South Porphyry \(PSU\)
- Commodity: copper\_equivalent
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 174000000
- Grade: 0.29
- Grade Unit: % CuEq
- Contained Metal: 510000
- Contained Unit: t
- Cutoff Grade: 7.1

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Inferred resource for Chita South Porphyry represents a large tonnage with a good copper equivalent grade, indicating significant exploration potential for this part of the project.

- Positive factor: Large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for porphyry deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.29

Context: 174

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-42)

Chita South Porphyry \(PSU\) · silver

#### Identity

- Project: Chita South Porphyry \(PSU\)
- Commodity: silver
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 174000000
- Grade: 0
- Grade Unit: g/t
- Cutoff Grade: 7.1

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Inferred resource for Chita South Porphyry shows no silver content, consistent with the reported grades.

- Negative factor: No silver content in this domain

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.0

Context: 174

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-43)

Chita South Porphyry \(PSU\) · gold

#### Identity

- Project: Chita South Porphyry \(PSU\)
- Commodity: gold
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 174000000
- Grade: 0
- Grade Unit: g/t
- Cutoff Grade: 7.1

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Inferred resource for Chita South Porphyry shows no gold content, consistent with the reported grades.

- Negative factor: No gold content in this domain

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.0

Context: 174

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-44)

Chita South Porphyry \(PSU\) · molybdenum

#### Identity

- Project: Chita South Porphyry \(PSU\)
- Commodity: molybdenum
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 174000000
- Grade: 0
- Grade Unit: ppm
- Cutoff Grade: 7.1

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Inferred resource for Chita South Porphyry shows no molybdenum content, consistent with the reported grades.

- Negative factor: No molybdenum content in this domain

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.0

Context: 174

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-45)

Chita South Porphyry \(PSU\) · zinc

#### Identity

- Project: Chita South Porphyry \(PSU\)
- Commodity: zinc
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 174000000
- Grade: 0
- Grade Unit: %
- Cutoff Grade: 7.1

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Inferred resource for Chita South Porphyry shows no zinc content, consistent with the reported grades.

- Negative factor: No zinc content in this domain

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.0

Context: 174

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-46)

Chita Valley Project · copper\_equivalent

#### Identity

- Project: Chita Valley Project
- Commodity: copper\_equivalent
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 240000000
- Grade: 0.43
- Grade Unit: % CuEq
- Contained Metal: 1033000
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Indicated resource for the Chita Valley Project shows a substantial tonnage and a good copper equivalent grade, representing a significant and confident portion of the project's overall resource base.

- Positive factor: Significant total Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.43

Context: 240

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-47)

Chita Valley Project · copper

#### Identity

- Project: Chita Valley Project
- Commodity: copper
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 240000000
- Grade: 0.23
- Grade Unit: %
- Contained Metal: 540000
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Indicated copper resource for the Chita Valley Project is substantial, forming a key part of the project's economic foundation.

- Positive factor: Significant total Indicated resource tonnage

- Positive factor: Good copper grade for open-pit polymetallic deposit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.23

Context: 240

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-48)

Chita Valley Project · silver

#### Identity

- Project: Chita Valley Project
- Commodity: silver
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 240000000
- Grade: 9.8
- Grade Unit: g/t
- Contained Metal: 73200000
- Contained Unit: oz
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Indicated silver resource for the Chita Valley Project adds valuable polymetallic credits, enhancing the project's overall economic profile.

- Positive factor: Significant total Indicated resource tonnage

- Positive factor: Silver provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 9.8

Context: 240

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-49)

Chita Valley Project · gold

#### Identity

- Project: Chita Valley Project
- Commodity: gold
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 240000000
- Grade: 0.1
- Grade Unit: g/t
- Contained Metal: 754000
- Contained Unit: oz
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Indicated gold resource for the Chita Valley Project contributes to the polymetallic nature of the deposit, adding to its economic potential.

- Positive factor: Significant total Indicated resource tonnage

- Positive factor: Gold provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.1

Context: 240

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-50)

Chita Valley Project · molybdenum

#### Identity

- Project: Chita Valley Project
- Commodity: molybdenum
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 240000000
- Grade: 33.3
- Grade Unit: ppm
- Contained Metal: 8000
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Indicated molybdenum resource for the Chita Valley Project contributes to the polymetallic nature and potential of the deposit.

- Positive factor: Molybdenum provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 33.3

Context: 240

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-51)

Chita Valley Project · zinc

#### Identity

- Project: Chita Valley Project
- Commodity: zinc
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 240000000
- Grade: 0.16
- Grade Unit: %
- Contained Metal: 375000
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Indicated zinc resource for the Chita Valley Project adds to the polymetallic value, enhancing the project's overall economic profile.

- Positive factor: Significant total Indicated resource tonnage

- Positive factor: Zinc provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.16

Context: 240

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-52)

Chita Valley Project · copper\_equivalent

#### Identity

- Project: Chita Valley Project
- Commodity: copper\_equivalent
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 955000000
- Grade: 0.35
- Grade Unit: % CuEq
- Contained Metal: 3333000
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Inferred resource for the Chita Valley Project represents a very large tonnage with a good copper equivalent grade, indicating significant exploration potential for the project.

- Positive factor: Very large total Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.35

Context: 955

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-53)

Chita Valley Project · copper

#### Identity

- Project: Chita Valley Project
- Commodity: copper
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 955000000
- Grade: 0.21
- Grade Unit: %
- Contained Metal: 2024000
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Inferred copper resource for the Chita Valley Project is very substantial, highlighting significant future potential for the project.

- Positive factor: Very large total Inferred resource tonnage

- Positive factor: Good copper grade for open-pit polymetallic deposit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.21

Context: 955

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-54)

Chita Valley Project · silver

#### Identity

- Project: Chita Valley Project
- Commodity: silver
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 955000000
- Grade: 6.6
- Grade Unit: g/t
- Contained Metal: 195800000
- Contained Unit: oz
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Inferred silver resource for the Chita Valley Project adds significant polymetallic credits, indicating further value potential for the project.

- Positive factor: Very large total Inferred resource tonnage

- Positive factor: Silver provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 6.6

Context: 955

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-55)

Chita Valley Project · gold

#### Identity

- Project: Chita Valley Project
- Commodity: gold
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 955000000
- Grade: 0.07
- Grade Unit: g/t
- Contained Metal: 2051000
- Contained Unit: oz
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Inferred gold resource for the Chita Valley Project contributes to the overall polymetallic value, suggesting further upside with additional drilling.

- Positive factor: Very large total Inferred resource tonnage

- Positive factor: Gold provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.07

Context: 955

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-56)

Chita Valley Project · molybdenum

#### Identity

- Project: Chita Valley Project
- Commodity: molybdenum
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 955000000
- Grade: 68.4
- Grade Unit: ppm
- Contained Metal: 65400
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Inferred molybdenum resource for the Chita Valley Project adds to the polymetallic nature and potential of the deposit.

- Positive factor: Very large total Inferred resource tonnage

- Positive factor: Molybdenum provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 68.4

Context: 955

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-57)

Chita Valley Project · zinc

#### Identity

- Project: Chita Valley Project
- Commodity: zinc
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 955000000
- Grade: 0.08
- Grade Unit: %
- Contained Metal: 719000
- Contained Unit: t
- Cutoff Grade: 10

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: The total Inferred zinc resource for the Chita Valley Project adds to the polymetallic value, enhancing the project's overall economic profile and exploration potential.

- Positive factor: Very large total Inferred resource tonnage

- Positive factor: Zinc provides polymetallic credit

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.08

Context: 955

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-58)

copper

#### Identity

- Commodity: copper
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 177
- Grade: 0.24
- Grade Unit: %

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Indicated resource for the Low Zinc domain at Chinchillones shows a substantial tonnage and a good copper equivalent grade, supported by transparent reporting and QP sign-off, contributing significantly to the project's overall resource base. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.24

Context: 177

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-59)

silver

#### Identity

- Commodity: silver
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 177
- Grade: 8.1
- Grade Unit: g/t

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Indicated resource for the Low Zinc domain at Chinchillones shows a substantial tonnage and a good copper equivalent grade, supported by transparent reporting and QP sign-off, contributing significantly to the project's overall resource base. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 8.1

Context: 177

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-60)

gold

#### Identity

- Commodity: gold
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 177
- Grade: 0.1
- Grade Unit: g/t

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Indicated resource for the Low Zinc domain at Chinchillones shows a substantial tonnage and a good copper equivalent grade, supported by transparent reporting and QP sign-off, contributing significantly to the project's overall resource base. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.10

Context: 177

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-61)

mo

#### Identity

- Commodity: mo
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 177
- Grade: 45.1
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Indicated resource for the Low Zinc domain at Chinchillones shows a substantial tonnage and a good copper equivalent grade, supported by transparent reporting and QP sign-off, contributing significantly to the project's overall resource base. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 45.1

Context: 177

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-62)

zinc

#### Identity

- Commodity: zinc
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 177
- Grade: 0
- Grade Unit: %

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Indicated resource for the Low Zinc domain at Chinchillones shows a substantial tonnage and a good copper equivalent grade, supported by transparent reporting and QP sign-off, contributing significantly to the project's overall resource base. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.0

Context: 177

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-63)

copper

#### Identity

- Commodity: copper
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 681
- Grade: 0.19
- Grade Unit: %

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This very large Inferred resource for the Low Zinc domain at Chinchillones indicates significant exploration potential, with a good copper equivalent grade, but requires further drilling to upgrade confidence. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.19

Context: 681

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-64)

silver

#### Identity

- Commodity: silver
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 681
- Grade: 6.8
- Grade Unit: g/t

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This very large Inferred resource for the Low Zinc domain at Chinchillones indicates significant exploration potential, with a good copper equivalent grade, but requires further drilling to upgrade confidence. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 6.8

Context: 681

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-65)

gold

#### Identity

- Commodity: gold
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 681
- Grade: 0.08
- Grade Unit: g/t

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This very large Inferred resource for the Low Zinc domain at Chinchillones indicates significant exploration potential, with a good copper equivalent grade, but requires further drilling to upgrade confidence. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.08

Context: 681

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-66)

mo

#### Identity

- Commodity: mo
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 681
- Grade: 96.1
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This very large Inferred resource for the Low Zinc domain at Chinchillones indicates significant exploration potential, with a good copper equivalent grade, but requires further drilling to upgrade confidence. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 96.1

Context: 681

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-67)

zinc

#### Identity

- Commodity: zinc
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 681
- Grade: 0
- Grade Unit: %

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This very large Inferred resource for the Low Zinc domain at Chinchillones indicates significant exploration potential, with a good copper equivalent grade, but requires further drilling to upgrade confidence. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.0

Context: 681

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-68)

copper

#### Identity

- Commodity: copper
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 56
- Grade: 0.17
- Grade Unit: %

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Indicated resource for the Low Zinc domain at Chinchillones shows a substantial tonnage and a good copper equivalent grade, supported by transparent reporting and QP sign-off, contributing significantly to the project's overall resource base. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.17

Context: 56

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-69)

silver

#### Identity

- Commodity: silver
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 56
- Grade: 15.1
- Grade Unit: g/t

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Indicated resource for the Low Zinc domain at Chinchillones shows a substantial tonnage and a good copper equivalent grade, supported by transparent reporting and QP sign-off, contributing significantly to the project's overall resource base. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 15.1

Context: 56

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-70)

gold

#### Identity

- Commodity: gold
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 56
- Grade: 0.11
- Grade Unit: g/t

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Indicated resource for the Low Zinc domain at Chinchillones shows a substantial tonnage and a good copper equivalent grade, supported by transparent reporting and QP sign-off, contributing significantly to the project's overall resource base. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.11

Context: 56

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-71)

mo

#### Identity

- Commodity: mo
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 56
- Grade: 0
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Indicated resource for the Low Zinc domain at Chinchillones shows a substantial tonnage and a good copper equivalent grade, supported by transparent reporting and QP sign-off, contributing significantly to the project's overall resource base. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.0

Context: 56

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-72)

zinc

#### Identity

- Commodity: zinc
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 56
- Grade: 0.67
- Grade Unit: %

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Indicated resource for the Low Zinc domain at Chinchillones shows a substantial tonnage and a good copper equivalent grade, supported by transparent reporting and QP sign-off, contributing significantly to the project's overall resource base. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.67

Context: 56

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-73)

copper

#### Identity

- Commodity: copper
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 101
- Grade: 0.19
- Grade Unit: %

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This very large Inferred resource for the Low Zinc domain at Chinchillones indicates significant exploration potential, with a good copper equivalent grade, but requires further drilling to upgrade confidence. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.19

Context: 101

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-74)

silver

#### Identity

- Commodity: silver
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 101
- Grade: 14.5
- Grade Unit: g/t

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This very large Inferred resource for the Low Zinc domain at Chinchillones indicates significant exploration potential, with a good copper equivalent grade, but requires further drilling to upgrade confidence. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 14.5

Context: 101

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-75)

gold

#### Identity

- Commodity: gold
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 101
- Grade: 0.09
- Grade Unit: g/t

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This very large Inferred resource for the Low Zinc domain at Chinchillones indicates significant exploration potential, with a good copper equivalent grade, but requires further drilling to upgrade confidence. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.09

Context: 101

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-76)

mo

#### Identity

- Commodity: mo
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 101
- Grade: 0
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This very large Inferred resource for the Low Zinc domain at Chinchillones indicates significant exploration potential, with a good copper equivalent grade, but requires further drilling to upgrade confidence. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.0

Context: 101

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-77)

zinc

#### Identity

- Commodity: zinc
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 101
- Grade: 0.71
- Grade Unit: %

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This very large Inferred resource for the Low Zinc domain at Chinchillones indicates significant exploration potential, with a good copper equivalent grade, but requires further drilling to upgrade confidence. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.71

Context: 101

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-78)

silver

#### Identity

- Commodity: silver
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 7
- Grade: 0
- Grade Unit: g/t

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Indicated resource for the Low Zinc domain at Chinchillones shows a substantial tonnage and a good copper equivalent grade, supported by transparent reporting and QP sign-off, contributing significantly to the project's overall resource base. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.0

Context: 7

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-79)

gold

#### Identity

- Commodity: gold
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 7
- Grade: 0
- Grade Unit: g/t

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Indicated resource for the Low Zinc domain at Chinchillones shows a substantial tonnage and a good copper equivalent grade, supported by transparent reporting and QP sign-off, contributing significantly to the project's overall resource base. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.0

Context: 7

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-80)

mo

#### Identity

- Commodity: mo
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 7
- Grade: 0
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Indicated resource for the Low Zinc domain at Chinchillones shows a substantial tonnage and a good copper equivalent grade, supported by transparent reporting and QP sign-off, contributing significantly to the project's overall resource base. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.0

Context: 7

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-81)

zinc

#### Identity

- Commodity: zinc
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 7
- Grade: 0
- Grade Unit: %

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Indicated resource for the Low Zinc domain at Chinchillones shows a substantial tonnage and a good copper equivalent grade, supported by transparent reporting and QP sign-off, contributing significantly to the project's overall resource base. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.0

Context: 7

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-82)

silver

#### Identity

- Commodity: silver
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 174
- Grade: 0
- Grade Unit: g/t

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This very large Inferred resource for the Low Zinc domain at Chinchillones indicates significant exploration potential, with a good copper equivalent grade, but requires further drilling to upgrade confidence. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.0

Context: 174

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-83)

gold

#### Identity

- Commodity: gold
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 174
- Grade: 0
- Grade Unit: g/t

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This very large Inferred resource for the Low Zinc domain at Chinchillones indicates significant exploration potential, with a good copper equivalent grade, but requires further drilling to upgrade confidence. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.0

Context: 174

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-84)

mo

#### Identity

- Commodity: mo
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 174
- Grade: 0
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This very large Inferred resource for the Low Zinc domain at Chinchillones indicates significant exploration potential, with a good copper equivalent grade, but requires further drilling to upgrade confidence. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.0

Context: 174

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-85)

zinc

#### Identity

- Commodity: zinc
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 174
- Grade: 0
- Grade Unit: %

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This very large Inferred resource for the Low Zinc domain at Chinchillones indicates significant exploration potential, with a good copper equivalent grade, but requires further drilling to upgrade confidence. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.0

Context: 174

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-86)

copper

#### Identity

- Commodity: copper
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 240
- Grade: 0.23
- Grade Unit: %

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Indicated resource for the Low Zinc domain at Chinchillones shows a substantial tonnage and a good copper equivalent grade, supported by transparent reporting and QP sign-off, contributing significantly to the project's overall resource base. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.23

Context: 240

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-87)

silver

#### Identity

- Commodity: silver
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 240
- Grade: 9.8
- Grade Unit: g/t

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Indicated resource for the Low Zinc domain at Chinchillones shows a substantial tonnage and a good copper equivalent grade, supported by transparent reporting and QP sign-off, contributing significantly to the project's overall resource base. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 9.8

Context: 240

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-88)

gold

#### Identity

- Commodity: gold
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 240
- Grade: 0.1
- Grade Unit: g/t

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Indicated resource for the Low Zinc domain at Chinchillones shows a substantial tonnage and a good copper equivalent grade, supported by transparent reporting and QP sign-off, contributing significantly to the project's overall resource base. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.1

Context: 240

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-89)

mo

#### Identity

- Commodity: mo
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 240
- Grade: 33.3
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Indicated resource for the Low Zinc domain at Chinchillones shows a substantial tonnage and a good copper equivalent grade, supported by transparent reporting and QP sign-off, contributing significantly to the project's overall resource base. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 33.3

Context: 240

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-90)

zinc

#### Identity

- Commodity: zinc
- Ticker: MSR

#### Resource Data

- Category: indicated
- Tonnes: 240
- Grade: 0.16
- Grade Unit: %

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This Indicated resource for the Low Zinc domain at Chinchillones shows a substantial tonnage and a good copper equivalent grade, supported by transparent reporting and QP sign-off, contributing significantly to the project's overall resource base. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Significant Indicated resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

Evidence · table

> 0.16

Context: 240

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-91)

copper

#### Identity

- Commodity: copper
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 955
- Grade: 0.21
- Grade Unit: %

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This very large Inferred resource for the Low Zinc domain at Chinchillones indicates significant exploration potential, with a good copper equivalent grade, but requires further drilling to upgrade confidence. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.21

Context: 955

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-92)

silver

#### Identity

- Commodity: silver
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 955
- Grade: 6.6
- Grade Unit: g/t

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This very large Inferred resource for the Low Zinc domain at Chinchillones indicates significant exploration potential, with a good copper equivalent grade, but requires further drilling to upgrade confidence. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 6.6

Context: 955

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-93)

gold

#### Identity

- Commodity: gold
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 955
- Grade: 0.07
- Grade Unit: g/t

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This very large Inferred resource for the Low Zinc domain at Chinchillones indicates significant exploration potential, with a good copper equivalent grade, but requires further drilling to upgrade confidence. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.07

Context: 955

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-94)

mo

#### Identity

- Commodity: mo
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 955
- Grade: 68.4
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This very large Inferred resource for the Low Zinc domain at Chinchillones indicates significant exploration potential, with a good copper equivalent grade, but requires further drilling to upgrade confidence. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 68.4

Context: 955

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/minsud-reports-significant-mineral-resources-growth-at-chita-valley-deposits--713afb26-ac9e-4bf5-a207-8780d9692d65#fact-resource-facts-95)

zinc

#### Identity

- Commodity: zinc
- Ticker: MSR

#### Resource Data

- Category: inferred
- Tonnes: 955
- Grade: 0.08
- Grade Unit: %

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-02-27T00:00:00.000Z

Reasoning: This very large Inferred resource for the Low Zinc domain at Chinchillones indicates significant exploration potential, with a good copper equivalent grade, but requires further drilling to upgrade confidence. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: Very large Inferred resource tonnage

- Positive factor: Good copper equivalent grade for open-pit polymetallic deposit

- Positive factor: Detailed metal equivalent assumptions disclosed

- Positive factor: QP/CP sign-off and NI 43-101 compliant

- Negative factor: Inferred category has lower confidence

Evidence · table

> 0.08

Context: 955

## 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.