IAMGOLD Reports Fourth Quarter and Year-End 2025 Results

Original announcement by tmx on

Company
IAMGOLD Corporation
Ticker
IMG
Exchange
TSX
Region
Unavailable
Primary commodity
Gold
Secondary commodities
None reported
Document categories
Production, Resource update, Drill results
Extracted
2026-09-12 07:13:13 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

IAMGOLD Corporation reported record financial and operating results for Q4 and full-year 2025, including adjusted EBITDA of $1.5 billion and attributable gold production of 765,900 ounces. The company significantly reduced its net debt by $514.9 million and initiated a share buyback program. Additionally, IAMGOLD announced a 16% increase in Measured and Indicated Mineral Resources and reported high-grade drill intercepts from its Nelligan and Monster Lake projects, highlighting strong growth potential and operational improvements at Côté Gold.

Reasoning: IAMGOLD reported strong financial and operating results for 2025, including record production and cash flow, significant debt reduction, and a new share buyback program. The company also announced substantial increases in its gold resources, particularly at the Nelligan Mining Complex and Côté Gold, supported by high-grade drill results. While Westwood's production was below guidance and Essakane's grades declined, the overall picture is positive with a focus on growth and shareholder returns.

Positive factors

  • Record financial performance with adjusted EBITDA of $1.5 billion and record mine-site free cash flow of $1.2 billion for 2025.
  • Record attributable gold production of 765,900 ounces for 2025, achieving the mid-point of guidance.
  • Significant debt reduction of $514.9 million, lowering net debt to $344.4 million.
  • Substantial increase in Measured and Indicated Mineral Resources (16% to 31.0 Moz Au) and Inferred Mineral Resources (Nelligan Mining Complex).
  • High-grade drill intercepts reported at Nelligan and Monster Lake projects, indicating strong exploration potential.
  • Côté Gold achieved top-end of production guidance and nameplate throughput ahead of schedule, with plans for future expansion.
  • Share buyback program initiated, demonstrating commitment to shareholder returns.

Negative factors

  • Westwood production was below the bottom end of its 2025 guidance range.
  • Overall P&P Mineral Reserves decreased by 7% due to depletion.
  • Essakane M&I Mineral Resources saw a 26% decrease in grades, despite tonnage increase.
  • Essakane's ownership interest decreased from 90% to 85% mid-year 2025.

Facts used in scoring: 70

Extracted facts

Stored fact records: 15. Some facts used in scoring do not have a stored record.

Drill Results (12)

NE-25-239Nelligan · goldGrade: 1.93Grade Unit: g/tIntercept: 20.6 mView all details
Link to this fact

Identity

Hole ID
NE-25-239
Project
Nelligan
Commodity
gold
Region
canada_qc
Reported Region
canada_qc
Ticker
IMG

Geometry

Grade
1.93
Grade Unit
g/t
Intercept
20.6 m

Classification

Program
exploration
Sample Type
drill

Location

Location
Main Zone
Loc. Source
document

QA/QC

QP Signed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-02-18T00:00:00.000Z

Reasoning: This intercept confirms the extension of mineralized zones at Nelligan, indicating continued exploration success.

Positive factors

  • Good grade over a significant width.

Evidence · text

“20.6 m at 1.93 g/t Au”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Step-Out ExtensionRejected · positive

Mineralization extended beyond the previously known limit.

Reason: Assay results confirming the extension of the mineralized zones of Nelligan deposit.

Evidence · text

“assay results confirming the extension of the mineralized zones of Nelligan deposit”

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: The technical and scientific information was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD, a 'qualified person' as defined in NI 43-101.

Evidence · text

“The technical and scientific information relating to exploration activities disclosed in this document was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD. Ms. Bugnon is a "qualified person" as defined in National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101").”
NE-25-239Nelligan · goldGrade: 2.17Grade Unit: g/tIntercept: 13.5 mView all details
Link to this fact

Identity

Hole ID
NE-25-239
Project
Nelligan
Commodity
gold
Region
canada_qc
Reported Region
canada_qc
Ticker
IMG

Geometry

Grade
2.17
Grade Unit
g/t
Intercept
13.5 m

Classification

Program
exploration
Sample Type
drill

Location

Location
Main Zone
Loc. Source
document

QA/QC

QP Signed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-02-18T00:00:00.000Z

Reasoning: This intercept further confirms the extension of mineralized zones at Nelligan.

Positive factors

  • Good grade over a solid width.

Evidence · text

“13.5 m at 2.17 g/t Au”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Step-Out ExtensionRejected · positive

Mineralization extended beyond the previously known limit.

Reason: Assay results confirming the extension of the mineralized zones of Nelligan deposit.

Evidence · text

“assay results confirming the extension of the mineralized zones of Nelligan deposit”

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: The technical and scientific information was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD, a 'qualified person' as defined in NI 43-101.

Evidence · text

“The technical and scientific information relating to exploration activities disclosed in this document was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD. Ms. Bugnon is a "qualified person" as defined in National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101").”
NE-25-265Nelligan · goldGrade: 3.03Grade Unit: g/tIntercept: 36.5 mView all details
Link to this fact

Identity

Hole ID
NE-25-265
Project
Nelligan
Commodity
gold
Region
canada_qc
Reported Region
canada_qc
Ticker
IMG

Geometry

Grade
3.03
Grade Unit
g/t
Intercept
36.5 m

Classification

Program
exploration
Sample Type
drill

Location

Location
Zone 36
Loc. Source
document

QA/QC

QP Signed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-02-18T00:00:00.000Z

Reasoning: This intercept highlights high-grade mineralization over a substantial width in Zone 36 at Nelligan.

Positive factors

  • Strong grade over a significant width in Zone 36.

Evidence · text

“36.5 m at 3.03 g/t Au in hole NE-25-265 in Zone 36”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Step-Out ExtensionRejected · positive

Mineralization extended beyond the previously known limit.

Reason: Assay results confirming the extension of the mineralized zones of Nelligan deposit.

Evidence · text

“assay results confirming the extension of the mineralized zones of Nelligan deposit”

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: The technical and scientific information was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD, a 'qualified person' as defined in NI 43-101.

Evidence · text

“The technical and scientific information relating to exploration activities disclosed in this document was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD. Ms. Bugnon is a "qualified person" as defined in National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101").”
NE-25-244Nelligan · goldGrade: 3.24Grade Unit: g/tIntercept: 24.5 mView all details
Link to this fact

Identity

Hole ID
NE-25-244
Project
Nelligan
Commodity
gold
Region
canada_qc
Reported Region
canada_qc
Ticker
IMG

Geometry

Grade
3.24
Grade Unit
g/t
Intercept
24.5 m

Classification

Program
exploration
Sample Type
drill

Location

Location
Main Zone
Loc. Source
document

QA/QC

QP Signed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-02-18T00:00:00.000Z

Reasoning: This intercept indicates high-grade mineralization over a substantial width at Nelligan.

Positive factors

  • Strong grade over a significant width.

Evidence · text

“24.5 m at 3.24 g/t Au in drill hole NE-25-244”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Step-Out ExtensionRejected · positive

Mineralization extended beyond the previously known limit.

Reason: Assay results confirming the extension of the mineralized zones of Nelligan deposit.

Evidence · text

“assay results confirming the extension of the mineralized zones of Nelligan deposit”

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: The technical and scientific information was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD, a 'qualified person' as defined in NI 43-101.

Evidence · text

“The technical and scientific information relating to exploration activities disclosed in this document was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD. Ms. Bugnon is a "qualified person" as defined in National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101").”
NE-25-248Nelligan · goldGrade: 1Grade Unit: g/tIntercept: 28.8 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
NE-25-248
Project
Nelligan
Commodity
gold
Region
canada_qc
Reported Region
canada_qc
Ticker
IMG

Geometry

Grade
1
Grade Unit
g/t
Intercept
28.8 m

Classification

Program
exploration
Sample Type
drill

Location

Location
Renard Zone
Loc. Source
document

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2025-09-15T00:00:00.000Z

Dates

Event date
2026-02-18T00:00:00.000Z

Reasoning: This intercept confirms mineralization in the Renard Zone at Nelligan over a good width.

Positive factors

  • Good width with economic grade in the Renard Zone.

Evidence · text

“28.8 m at 1.00 g/t Au in drill hole NE-25-248 in the Renard Zone”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Step-Out ExtensionRejected · positive

Mineralization extended beyond the previously known limit.

Reason: Assay results confirming the extension of the mineralized zones of Nelligan deposit.

Evidence · text

“assay results confirming the extension of the mineralized zones of Nelligan deposit”

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: The technical and scientific information was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD, a 'qualified person' as defined in NI 43-101.

Evidence · text

“The technical and scientific information relating to exploration activities disclosed in this document was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD. Ms. Bugnon is a "qualified person" as defined in National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101").”
NE-25-244Nelligan · goldGrade: 2.23Grade Unit: g/tIntercept: 21 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
NE-25-244
Project
Nelligan
Commodity
gold
Region
canada_qc
Reported Region
canada_qc
Ticker
IMG

Geometry

Grade
2.23
Grade Unit
g/t
Intercept
21 m

Classification

Program
exploration
Sample Type
drill

Location

Location
Main Zone
Loc. Source
document

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2025-09-15T00:00:00.000Z

Dates

Event date
2026-02-18T00:00:00.000Z

Reasoning: This intercept further confirms mineralization over a good width at Nelligan.

Positive factors

  • Good grade over a significant width.

Evidence · text

“21.0 m at 2.23 g/t Au in drill hole NE-25-244”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Step-Out ExtensionRejected · positive

Mineralization extended beyond the previously known limit.

Reason: Assay results confirming the extension of the mineralized zones of Nelligan deposit.

Evidence · text

“assay results confirming the extension of the mineralized zones of Nelligan deposit”

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: The technical and scientific information was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD, a 'qualified person' as defined in NI 43-101.

Evidence · text

“The technical and scientific information relating to exploration activities disclosed in this document was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD. Ms. Bugnon is a "qualified person" as defined in National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101").”
NE-25-256ANelligan · goldGrade: 7.48Grade Unit: g/tIntercept: 7.5 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
NE-25-256A
Project
Nelligan
Commodity
gold
Region
canada_qc
Reported Region
canada_qc
Ticker
IMG

Geometry

Grade
7.48
Grade Unit
g/t
Intercept
7.5 m

Classification

Program
exploration
Sample Type
drill

Location

Location
Main Zone
Loc. Source
document

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2025-09-15T00:00:00.000Z

Dates

Event date
2026-02-18T00:00:00.000Z

Reasoning: This intercept shows high-grade mineralization at Nelligan, contributing to the overall prospectivity.

Positive factors

  • High-grade intercept over a good width.

Evidence · text

“7.5 m at 7.48 g/t Au”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Step-Out ExtensionRejected · positive

Mineralization extended beyond the previously known limit.

Reason: Assay results confirming the extension of the mineralized zones of Nelligan deposit.

Evidence · text

“assay results confirming the extension of the mineralized zones of Nelligan deposit”

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: The technical and scientific information was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD, a 'qualified person' as defined in NI 43-101.

Evidence · text

“The technical and scientific information relating to exploration activities disclosed in this document was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD. Ms. Bugnon is a "qualified person" as defined in National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101").”
NE-25-256ANelligan · goldGrade: 1.22Grade Unit: g/tIntercept: 34.5 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
NE-25-256A
Project
Nelligan
Commodity
gold
Region
canada_qc
Reported Region
canada_qc
Ticker
IMG

Geometry

Grade
1.22
Grade Unit
g/t
Intercept
34.5 m

Classification

Program
exploration
Sample Type
drill

Location

Location
Main Zone
Loc. Source
document

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2025-09-15T00:00:00.000Z

Dates

Event date
2026-02-18T00:00:00.000Z

Reasoning: This intercept shows good mineralization over a significant width at Nelligan.

Positive factors

  • Good width with economic grade.

Evidence · text

“34.5 m at 1.22 g/t Au”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Step-Out ExtensionRejected · positive

Mineralization extended beyond the previously known limit.

Reason: Assay results confirming the extension of the mineralized zones of Nelligan deposit.

Evidence · text

“assay results confirming the extension of the mineralized zones of Nelligan deposit”

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: The technical and scientific information was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD, a 'qualified person' as defined in NI 43-101.

Evidence · text

“The technical and scientific information relating to exploration activities disclosed in this document was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD. Ms. Bugnon is a "qualified person" as defined in National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101").”
ML-25-282Monster Lake · goldGrade: 12.66Grade Unit: g/tIntercept: 3 mView all details
Link to this fact

Identity

Hole ID
ML-25-282
Project
Monster Lake
Commodity
gold
Region
canada_qc
Reported Region
canada_qc
Ticker
IMG

Geometry

Grade
12.66
Grade Unit
g/t
Intercept
3 m

Classification

Program
exploration
Sample Type
drill

Location

Location
Megane Zone
Loc. Source
document

QA/QC

QP Signed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-02-18T00:00:00.000Z

Reasoning: This intercept indicates persistent high-grade veins in the Megane Zone at Monster Lake.

Positive factors

  • High-grade intercept in the Megane Zone.

Evidence · text

“3.0 m at 12.66 g/t Au in drill hole ML-25-282”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Bonanza InterceptRejected · positive

Exceptionally high-grade zone, well above the deposit-type norm.

Reason: 12.66 g/t Au over 3.0 m is a high-grade intercept for gold.

Evidence · text

“12.66 g/t Au”

Step-Out ExtensionRejected · positive

Mineralization extended beyond the previously known limit.

Reason: Assay results indicating the persistence of the high-grade veins in the general down-plunge of the Megane zone.

Evidence · text

“assay results indicating the persistence of the high-grade veins in the general down-plunge of the Megane zone”

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: The technical and scientific information was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD, a 'qualified person' as defined in NI 43-101.

Evidence · text

“The technical and scientific information relating to exploration activities disclosed in this document was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD. Ms. Bugnon is a "qualified person" as defined in National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101").”
ML-25-292Monster Lake · goldGrade: 23.4Grade Unit: g/tIntercept: 9 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
ML-25-292
Project
Monster Lake
Commodity
gold
Region
canada_qc
Reported Region
canada_qc
Ticker
IMG

Geometry

Grade
23.4
Grade Unit
g/t
Intercept
9 m

Classification

Program
exploration
Sample Type
drill

Location

Location
Megane Zone
Loc. Source
document

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2025-09-15T00:00:00.000Z

Dates

Event date
2026-02-18T00:00:00.000Z

Reasoning: This intercept represents a bonanza-grade result over a substantial width, indicating strong mineralization in the Megane Zone.

Positive factors

  • Exceptional high-grade intercept over a significant width in the Megane Zone.

Evidence · text

“9.0 m at 23.4 g/t Au in drill hole ML-25-292 in the Megane Zone”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Bonanza InterceptRejected · positive

Exceptionally high-grade zone, well above the deposit-type norm.

Reason: 23.4 g/t Au over 9.0 m is an exceptionally high-grade intercept for gold.

Evidence · text

“23.4 g/t Au”

Step-Out ExtensionRejected · positive

Mineralization extended beyond the previously known limit.

Reason: Assay results indicating the persistence of the high-grade veins in the general down-plunge of the Megane zone.

Evidence · text

“assay results indicating the persistence of the high-grade veins in the general down-plunge of the Megane zone”

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: The technical and scientific information was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD, a 'qualified person' as defined in NI 43-101.

Evidence · text

“The technical and scientific information relating to exploration activities disclosed in this document was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD. Ms. Bugnon is a "qualified person" as defined in National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101").”
ML-25-283Monster Lake · goldGrade: 127.3Grade Unit: g/tIntercept: 4.9 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
ML-25-283
Project
Monster Lake
Commodity
gold
Region
canada_qc
Reported Region
canada_qc
Ticker
IMG

Geometry

Grade
127.3
Grade Unit
g/t
Intercept
4.9 m

Classification

Program
exploration
Sample Type
drill

Location

Location
Main Zone
Loc. Source
document

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2025-09-15T00:00:00.000Z

Dates

Event date
2026-02-18T00:00:00.000Z

Reasoning: This intercept is an exceptionally high-grade result, indicating bonanza-grade mineralization at Monster Lake.

Positive factors

  • Extremely high-grade intercept over a good width.

Evidence · text

“4.9 m at 127.3 g/t Au in drill hole ML-25-283”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Bonanza InterceptRejected · positive

Exceptionally high-grade zone, well above the deposit-type norm.

Reason: 127.3 g/t Au over 4.9 m is an exceptionally high-grade intercept for gold.

Evidence · text

“127.3 g/t Au”

Step-Out ExtensionRejected · positive

Mineralization extended beyond the previously known limit.

Reason: Assay results indicating the persistence of the high-grade veins in the general down-plunge of the Megane zone.

Evidence · text

“assay results indicating the persistence of the high-grade veins in the general down-plunge of the Megane zone”

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: The technical and scientific information was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD, a 'qualified person' as defined in NI 43-101.

Evidence · text

“The technical and scientific information relating to exploration activities disclosed in this document was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD. Ms. Bugnon is a "qualified person" as defined in National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101").”
ML-25-287Monster Lake · goldGrade: 39.4Grade Unit: g/tIntercept: 2.2 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
ML-25-287
Project
Monster Lake
Commodity
gold
Region
canada_qc
Reported Region
canada_qc
Ticker
IMG

Geometry

Grade
39.4
Grade Unit
g/t
Intercept
2.2 m

Classification

Program
exploration
Sample Type
drill

Location

Location
Lower Shear Zone
Loc. Source
document

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2025-09-15T00:00:00.000Z

Dates

Event date
2026-02-18T00:00:00.000Z

Reasoning: This intercept shows very high-grade mineralization in the Lower Shear Zone at Monster Lake.

Positive factors

  • Very high-grade intercept in the Lower Shear Zone.

Evidence · text

“2.2 m at 39.4 g/t Au in drill hole ML-25-287 in the Lower Shear Zone”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Bonanza InterceptRejected · positive

Exceptionally high-grade zone, well above the deposit-type norm.

Reason: 39.4 g/t Au over 2.2 m is a very high-grade intercept for gold.

Evidence · text

“39.4 g/t Au”

Step-Out ExtensionRejected · positive

Mineralization extended beyond the previously known limit.

Reason: Assay results indicating the persistence of the high-grade veins in the general down-plunge of the Megane zone.

Evidence · text

“assay results indicating the persistence of the high-grade veins in the general down-plunge of the Megane zone”

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: The technical and scientific information was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD, a 'qualified person' as defined in NI 43-101.

Evidence · text

“The technical and scientific information relating to exploration activities disclosed in this document was prepared under the supervision of and verified and reviewed by Marie-France Bugnon, P.Geo., Vice President, Exploration, IAMGOLD. Ms. Bugnon is a "qualified person" as defined in National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101").”

Resource Estimates (3)

measuredConsolidated · goldTonnes: 1000000000Grade: 0.94Grade Unit: g/tContained Metal: 31Contained Unit: mozView all details
Link to this fact

Identity

Project
Consolidated
Commodity
gold
Ticker
IMG

Resource scope

Estimate type
resource
Effective date
2025-12-31T00:00:00.000Z
QP Signed
Yes
Qualified person names
Christine Beausoleil, P.Geo., Adrienne Rispoli, P. Eng.
Resource group id
resource:1ab5b7a12ce9ec85981b

Resource Data

Category
measured
Tonnes
1000000000
Grade
0.94
Grade Unit
g/t
Contained Metal
31
Contained Unit
moz

Prior Estimate

Resource Date
2025-12-31
Prior Contained Metal
26724137.93

Review

Needs Review
No
Historical
No

Dates

Event date
2026-02-18T00:00:00.000Z

Reasoning: The substantial increase in M&I Mineral Resources demonstrates successful resource conversion and project acquisitions, enhancing the company's long-term asset base.

Positive factors

  • Significant 16% increase in M&I Mineral Resources.
  • Increase primarily associated with conversion of Inferred Mineral Resources at Côté Gold and Nelligan, and inclusion of new deposits.

Evidence · text

“Measured and Indicated ("M&I") Mineral Resources (100% basis) increased 16% to 31.0 million ounces of gold in 1.0 billion tonnes ("Bt") at 0.94 g/t Au (24.6 million ounces attributable).”

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Contained Metal Declinenegative

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

Why it applies: 31 against 26724137.93 previously

provenConsolidated · goldTonnes: 279600000Grade: 1.1Grade Unit: g/tContained Metal: 9.9Contained Unit: mozView all details
Link to this fact

Identity

Project
Consolidated
Commodity
gold
Ticker
IMG

Resource scope

Estimate type
reserve
Effective date
2025-12-31T00:00:00.000Z
QP Signed
Yes
Qualified person names
Christine Beausoleil, P.Geo., Adrienne Rispoli, P. Eng.
Resource group id
resource:b6fff34149ad94c6b9a2

Resource Data

Category
proven
Tonnes
279600000
Grade
1.1
Grade Unit
g/t
Contained Metal
9.9
Contained Unit
moz

Prior Estimate

Resource Date
2025-12-31
Prior Contained Metal
10696774.19

Review

Needs Review
No
Historical
No

Dates

Event date
2026-02-18T00:00:00.000Z

Reasoning: Proven and Probable Mineral Reserves decreased due to depletion, partially offset by increases at Westwood, indicating a net reduction in reserves.

Negative factors

  • P&P Mineral Reserves decreased 7%, or 796,000 ounces, from the prior year.

Evidence · text

“Proven and Probable ("P&P") Mineral Reserves (100% basis) total 9.9 million ounces of gold in 279.6 million tonnes ("Mt") at 1.10 g/t Au (7.5 million ounces attributable).”

Tags used in scoring

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

indicatedEssakane · goldTonnes: 150000000Grade: 0.91Grade Unit: g/tContained Metal: 4.4Contained Unit: mozView all details
Link to this fact

Identity

Project
Essakane
Commodity
gold
Ticker
IMG

Resource scope

Estimate type
resource
Effective date
2025-12-31T00:00:00.000Z
QP Signed
Yes
Qualified person names
Christine Beausoleil, P.Geo., Adrienne Rispoli, P. Eng.
Resource group id
resource:5a7004f7fb7b6bf15838

Resource Data

Category
indicated
Tonnes
150000000
Grade
0.91
Grade Unit
g/t
Contained Metal
4.4
Contained Unit
moz

Prior Estimate

Resource Date
2025-12-31
Prior Contained Metal
3963963.96

Review

Needs Review
No
Historical
No

Dates

Event date
2026-02-18T00:00:00.000Z

Reasoning: Essakane's M&I Mineral Resources increased in contained metal and tonnage, but with a notable decrease in grade, indicating a trade-off for extended mine life.

Positive factors

  • 11% increase in M&I Mineral Resources.
  • 50% increase in tonnes, underscoring confidence in extending mine life.

Negative factors

  • 26% decrease in grades.

Evidence · text

“Essakane M&I Mineral Resources, inclusive of Mineral Reserves on a 100% basis (excluding Gossey), increased 11% to an estimated 4.4 million ounces (3.8 million ounces attributable) as of December 31, 2025, with a 50% increase in tonnes (to 150 Mt) offsetting a 26% decrease in grades (to 0.91 g/t Au, including stockpiles).”

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Contained Metal Declinenegative

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

Why it applies: 4.4 against 3963963.96 previously

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.