# Hudbay Provides Annual Reserve and Resource Update with Mine Life Extensions and Improved Three-Year Production Outlook Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb Original source: https://money.tmx.com/en/quote/HBM/news/4890873723820976/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and Publisher: tmx Original announcement: 2026-03-27T11:00:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Hudbay Minerals Inc. - Ticker: HBM - Exchange: TSX - Region: Unavailable - Primary commodity: Copper - Secondary commodities: Gold, Zinc, Silver, Molybdenum - Document categories: Resource update, Production, Drill results - Extracted: 2026-08-25 14:42:59 UTC Narrative sentiment: 0.80 · Bullish ## Minestarters Atlas summary Hudbay Minerals has released its annual mineral reserve and resource update, extending mine lives at Constancia, Snow Lake, and Copper Mountain, and providing an improved three-year production outlook. Consolidated copper production is projected to increase significantly by 2027-2028, complemented by strong gold production. The company also reported new drill results from the Talbot deposit and highlighted the de-risking of its Copper World project through a joint venture. Reasoning: Hudbay has provided a comprehensive update showing significant mine life extensions across its key operations and an improved production outlook for copper and gold. The resource and reserve updates reflect successful exploration and optimization efforts, particularly at Snow Lake and Copper Mountain. The de-risking of the Copper World project through a JV is also a major positive. While gold production is down from 2025 due to Pampacancha depletion, the overall outlook is strong. - Positive factor: Mine life extensions at Constancia, Snow Lake, and Copper Mountain - Positive factor: Increased consolidated copper production outlook for 2027-2028 - Positive factor: Strong gold production outlook - Positive factor: Significant resource-to-reserve conversions and re-evaluation gains at Snow Lake - Positive factor: Successful JV transaction for Copper World de-risking the project - Positive factor: New drill results at Talbot confirm resource expansion potential - Negative factor: Gold production decrease from 2025 levels due to Pampacancha depletion - Negative factor: Inferred resources still represent a significant portion of total resources at several projects Facts used in scoring: 207 ## Classification and evidence No classification tags are available. ## Extracted facts Stored fact records: 207. Some facts used in scoring do not have a stored record. ## Resource Estimates (207) ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-0) Constancia Operations · copper #### Identity - Project: Constancia Operations - Commodity: copper - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 458800000 - Grade: 0.243 - Grade Unit: % - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: This represents a significant proven reserve for copper at Constancia, contributing to the overall mine life extension. - Positive factor: Large tonnage in high-confidence category - Positive factor: Good copper grade for a porphyry deposit Evidence · table > 0.243 Context: 458,800,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-1) Constancia Operations · molybdenum #### Identity - Project: Constancia Operations - Commodity: molybdenum - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 458800000 - Grade: 75 - Grade Unit: g/t - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Molybdenum contributes as a byproduct to the overall value of the Constancia proven reserves. - Positive factor: Molybdenum as a valuable byproduct Evidence · table > 75 Context: 458,800,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-2) Constancia Operations · gold #### Identity - Project: Constancia Operations - Commodity: gold - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 458800000 - Grade: 0.036 - Grade Unit: g/t - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the overall value of the Constancia proven reserves. - Positive factor: Gold as a valuable byproduct Evidence · table > 0.036 Context: 458,800,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-3) Constancia Operations · silver #### Identity - Project: Constancia Operations - Commodity: silver - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 458800000 - Grade: 2.39 - Grade Unit: g/t - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the overall value of the Constancia proven reserves. - Positive factor: Silver as a valuable byproduct Evidence · table > 2.39 Context: 458,800,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-4) Constancia Operations · copper #### Identity - Project: Constancia Operations - Commodity: copper - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 28300000 - Grade: 0.193 - Grade Unit: % - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Probable reserves add to the overall resource base, albeit with lower confidence than proven reserves. - Positive factor: Additional tonnage in probable category Evidence · table > 0.193 Context: 28,300,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-5) Constancia Operations · molybdenum #### Identity - Project: Constancia Operations - Commodity: molybdenum - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 28300000 - Grade: 68 - Grade Unit: g/t - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Molybdenum contributes as a byproduct to the overall value of the Constancia probable reserves. - Positive factor: Molybdenum as a valuable byproduct Evidence · table > 68 Context: 28,300,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-6) Constancia Operations · gold #### Identity - Project: Constancia Operations - Commodity: gold - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 28300000 - Grade: 0.034 - Grade Unit: g/t - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the overall value of the Constancia probable reserves. - Positive factor: Gold as a valuable byproduct Evidence · table > 0.034 Context: 28,300,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-7) Constancia Operations · silver #### Identity - Project: Constancia Operations - Commodity: silver - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 28300000 - Grade: 1.98 - Grade Unit: g/t - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the overall value of the Constancia probable reserves. - Positive factor: Silver as a valuable byproduct Evidence · table > 1.98 Context: 28,300,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-8) Constancia Operations · copper #### Identity - Project: Constancia Operations - Commodity: copper - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 900000 - Grade: 0.216 - Grade Unit: % - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Pampacancha proven reserves are noted, but mining has concluded, so this is historical context for the current operation. - Positive factor: Proven reserves from Pampacancha - Negative factor: Mining activities completed in 2025 Evidence · table > 0.216 Context: 900,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-9) Constancia Operations · molybdenum #### Identity - Project: Constancia Operations - Commodity: molybdenum - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 900000 - Grade: 128 - Grade Unit: g/t - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Molybdenum contributes as a byproduct to the Pampacancha proven reserves, but mining has concluded. - Positive factor: Molybdenum as a valuable byproduct - Negative factor: Mining activities completed in 2025 Evidence · table > 128 Context: 900,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-10) Constancia Operations · gold #### Identity - Project: Constancia Operations - Commodity: gold - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 900000 - Grade: 0.307 - Grade Unit: g/t - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Pampacancha proven reserves, but mining has concluded. - Positive factor: Gold as a valuable byproduct - Negative factor: Mining activities completed in 2025 Evidence · table > 0.307 Context: 900,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-11) Constancia Operations · silver #### Identity - Project: Constancia Operations - Commodity: silver - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 900000 - Grade: 3.57 - Grade Unit: g/t - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the Pampacancha proven reserves, but mining has concluded. - Positive factor: Silver as a valuable byproduct - Negative factor: Mining activities completed in 2025 Evidence · table > 3.57 Context: 900,000 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-12) Constancia Operations · copper #### Identity - Project: Constancia Operations - Commodity: copper - Ticker: HBM #### Resource Data - Category: measured - Tonnes: 106300000 - Grade: 0.232 - Grade Unit: % - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Measured resources provide a high-confidence base for future reserve conversion. - Positive factor: Large tonnage in high-confidence category Evidence · table > 0.232 Context: 106,300,000 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-13) Constancia Operations · molybdenum #### Identity - Project: Constancia Operations - Commodity: molybdenum - Ticker: HBM #### Resource Data - Category: measured - Tonnes: 106300000 - Grade: 74 - Grade Unit: g/t - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Molybdenum contributes as a byproduct to the Constancia measured resources. - Positive factor: Molybdenum as a valuable byproduct Evidence · table > 74 Context: 106,300,000 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-14) Constancia Operations · gold #### Identity - Project: Constancia Operations - Commodity: gold - Ticker: HBM #### Resource Data - Category: measured - Tonnes: 106300000 - Grade: 0.036 - Grade Unit: g/t - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Constancia measured resources. - Positive factor: Gold as a valuable byproduct Evidence · table > 0.036 Context: 106,300,000 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-15) Constancia Operations · silver #### Identity - Project: Constancia Operations - Commodity: silver - Ticker: HBM #### Resource Data - Category: measured - Tonnes: 106300000 - Grade: 2.36 - Grade Unit: g/t - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the Constancia measured resources. - Positive factor: Silver as a valuable byproduct Evidence · table > 2.36 Context: 106,300,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-16) Constancia Operations · copper #### Identity - Project: Constancia Operations - Commodity: copper - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 70400000 - Grade: 0.222 - Grade Unit: % - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Indicated resources add to the overall resource base, providing a good target for future infill drilling and conversion to reserves. - Positive factor: Additional tonnage in indicated category Evidence · table > 0.222 Context: 70,400,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-17) Constancia Operations · molybdenum #### Identity - Project: Constancia Operations - Commodity: molybdenum - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 70400000 - Grade: 87 - Grade Unit: g/t - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Molybdenum contributes as a byproduct to the Constancia indicated resources. - Positive factor: Molybdenum as a valuable byproduct Evidence · table > 87 Context: 70,400,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-18) Constancia Operations · gold #### Identity - Project: Constancia Operations - Commodity: gold - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 70400000 - Grade: 0.032 - Grade Unit: g/t - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Constancia indicated resources. - Positive factor: Gold as a valuable byproduct Evidence · table > 0.032 Context: 70,400,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-19) Constancia Operations · silver #### Identity - Project: Constancia Operations - Commodity: silver - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 70400000 - Grade: 2 - Grade Unit: g/t - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the Constancia indicated resources. - Positive factor: Silver as a valuable byproduct Evidence · table > 2.00 Context: 70,400,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-20) Constancia Operations · copper #### Identity - Project: Constancia Operations - Commodity: copper - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 27700000 - Grade: 0.271 - Grade Unit: % - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Inferred resources provide future exploration potential but require further drilling to upgrade confidence. - Positive factor: Additional tonnage for future exploration - Negative factor: Lower confidence category Evidence · table > 0.271 Context: 27,700,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-21) Constancia Operations · molybdenum #### Identity - Project: Constancia Operations - Commodity: molybdenum - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 27700000 - Grade: 71 - Grade Unit: g/t - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Molybdenum contributes as a byproduct to the Constancia inferred resources, but with lower confidence. - Positive factor: Molybdenum as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 71 Context: 27,700,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-22) Constancia Operations · gold #### Identity - Project: Constancia Operations - Commodity: gold - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 27700000 - Grade: 0.049 - Grade Unit: g/t - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Constancia inferred resources, but with lower confidence. - Positive factor: Gold as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 0.049 Context: 27,700,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-23) Constancia Operations · silver #### Identity - Project: Constancia Operations - Commodity: silver - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 27700000 - Grade: 2.54 - Grade Unit: g/t - Cutoff Grade: 7.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the Constancia inferred resources, but with lower confidence. - Positive factor: Silver as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 2.54 Context: 27,700,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-24) Constancia Operations · copper #### Identity - Project: Constancia Operations - Commodity: copper - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 6500000 - Grade: 1.2 - Grade Unit: % - Cutoff Grade: 0.65 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Underground inferred resources show higher copper grades, indicating potential for selective mining if converted to higher confidence categories. - Positive factor: Higher copper grade for underground potential - Negative factor: Lower confidence category Evidence · table > 1.200 Context: 6,500,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-25) Constancia Operations · molybdenum #### Identity - Project: Constancia Operations - Commodity: molybdenum - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 6500000 - Grade: 69 - Grade Unit: g/t - Cutoff Grade: 0.65 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Molybdenum contributes as a byproduct to the Constancia underground inferred resources, but with lower confidence. - Positive factor: Molybdenum as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 69 Context: 6,500,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-26) Constancia Operations · gold #### Identity - Project: Constancia Operations - Commodity: gold - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 6500000 - Grade: 0.14 - Grade Unit: g/t - Cutoff Grade: 0.65 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Constancia underground inferred resources, but with lower confidence. - Positive factor: Gold as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 0.140 Context: 6,500,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-27) Constancia Operations · silver #### Identity - Project: Constancia Operations - Commodity: silver - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 6500000 - Grade: 8.62 - Grade Unit: g/t - Cutoff Grade: 0.65 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the Constancia underground inferred resources, but with lower confidence. - Positive factor: Silver as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 8.62 Context: 6,500,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-28) Lalor Mine · gold #### Identity - Project: Lalor Mine - Commodity: gold - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 4800000 - Grade: 4.28 - Grade Unit: g/t - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade proven gold reserves at Lalor are a strong asset, supporting the mine life extension. - Positive factor: High gold grade in proven category - Positive factor: Significant tonnage for underground operation Evidence · table > 4.28 Context: 4,800,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-29) Lalor Mine · zinc #### Identity - Project: Lalor Mine - Commodity: zinc - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 4800000 - Grade: 0.7 - Grade Unit: % - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Zinc contributes as a byproduct to the Lalor proven gold zone reserves. - Positive factor: Zinc as a valuable byproduct Evidence · table > 0.70 Context: 4,800,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-30) Lalor Mine · copper #### Identity - Project: Lalor Mine - Commodity: copper - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 4800000 - Grade: 0.51 - Grade Unit: % - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Copper contributes as a byproduct to the Lalor proven gold zone reserves. - Positive factor: Copper as a valuable byproduct Evidence · table > 0.51 Context: 4,800,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-31) Lalor Mine · silver #### Identity - Project: Lalor Mine - Commodity: silver - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 4800000 - Grade: 27 - Grade Unit: g/t - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the Lalor proven gold zone reserves. - Positive factor: Silver as a valuable byproduct Evidence · table > 27.0 Context: 4,800,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-32) Lalor Mine · gold #### Identity - Project: Lalor Mine - Commodity: gold - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 4900000 - Grade: 3.41 - Grade Unit: g/t - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Probable gold reserves at Lalor add to the overall resource base, supporting future production. - Positive factor: Good gold grade in probable category - Positive factor: Additional tonnage for underground operation Evidence · table > 3.41 Context: 4,900,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-33) Lalor Mine · zinc #### Identity - Project: Lalor Mine - Commodity: zinc - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 4900000 - Grade: 0.27 - Grade Unit: % - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Zinc contributes as a byproduct to the Lalor probable gold zone reserves. - Positive factor: Zinc as a valuable byproduct Evidence · table > 0.27 Context: 4,900,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-34) Lalor Mine · copper #### Identity - Project: Lalor Mine - Commodity: copper - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 4900000 - Grade: 0.87 - Grade Unit: % - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Copper contributes as a byproduct to the Lalor probable gold zone reserves. - Positive factor: Copper as a valuable byproduct Evidence · table > 0.87 Context: 4,900,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-35) Lalor Mine · silver #### Identity - Project: Lalor Mine - Commodity: silver - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 4900000 - Grade: 16.8 - Grade Unit: g/t - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the Lalor probable gold zone reserves. - Positive factor: Silver as a valuable byproduct Evidence · table > 16.8 Context: 4,900,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-36) Lalor Mine · gold #### Identity - Project: Lalor Mine - Commodity: gold - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 4400000 - Grade: 2.42 - Grade Unit: g/t - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Proven gold reserves in the base metal zone at Lalor contribute to the overall resource base. - Positive factor: Good gold grade in proven category - Positive factor: Significant tonnage for underground operation Evidence · table > 2.42 Context: 4,400,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-37) Lalor Mine · zinc #### Identity - Project: Lalor Mine - Commodity: zinc - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 4400000 - Grade: 4.36 - Grade Unit: % - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Proven zinc reserves in the base metal zone at Lalor are a significant component of the resource. - Positive factor: Good zinc grade in proven category Evidence · table > 4.36 Context: 4,400,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-38) Lalor Mine · copper #### Identity - Project: Lalor Mine - Commodity: copper - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 4400000 - Grade: 0.36 - Grade Unit: % - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Copper contributes as a byproduct to the Lalor proven base metal zone reserves. - Positive factor: Copper as a valuable byproduct Evidence · table > 0.36 Context: 4,400,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-39) Lalor Mine · silver #### Identity - Project: Lalor Mine - Commodity: silver - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 4400000 - Grade: 27.7 - Grade Unit: g/t - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the Lalor proven base metal zone reserves. - Positive factor: Silver as a valuable byproduct Evidence · table > 27.7 Context: 4,400,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-40) 1901 Deposit · gold #### Identity - Project: 1901 Deposit - Commodity: gold - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 900000 - Grade: 2.25 - Grade Unit: g/t - Cutoff Grade: 199 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Proven gold reserves at 1901 deposit contribute to the overall Snow Lake resource base. - Positive factor: Good gold grade in proven category - Positive factor: Contribution from new deposit Evidence · table > 2.25 Context: 900,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-41) 1901 Deposit · zinc #### Identity - Project: 1901 Deposit - Commodity: zinc - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 900000 - Grade: 7.6 - Grade Unit: % - Cutoff Grade: 199 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade proven zinc reserves at 1901 deposit are a significant component of the resource. - Positive factor: High zinc grade in proven category Evidence · table > 7.60 Context: 900,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-42) 1901 Deposit · copper #### Identity - Project: 1901 Deposit - Commodity: copper - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 900000 - Grade: 0.27 - Grade Unit: % - Cutoff Grade: 199 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Copper contributes as a byproduct to the 1901 deposit proven reserves. - Positive factor: Copper as a valuable byproduct Evidence · table > 0.27 Context: 900,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-43) 1901 Deposit · silver #### Identity - Project: 1901 Deposit - Commodity: silver - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 900000 - Grade: 24 - Grade Unit: g/t - Cutoff Grade: 199 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the 1901 deposit proven reserves. - Positive factor: Silver as a valuable byproduct Evidence · table > 24.0 Context: 900,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-44) Lalor Mine · gold #### Identity - Project: Lalor Mine - Commodity: gold - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 600000 - Grade: 1.5 - Grade Unit: g/t - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Probable gold reserves in the base metal zone at Lalor contribute to the overall resource base. - Positive factor: Good gold grade in probable category Evidence · table > 1.50 Context: 600,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-45) Lalor Mine · zinc #### Identity - Project: Lalor Mine - Commodity: zinc - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 600000 - Grade: 4.11 - Grade Unit: % - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Probable zinc reserves in the base metal zone at Lalor are a significant component of the resource. - Positive factor: Good zinc grade in probable category Evidence · table > 4.11 Context: 600,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-46) Lalor Mine · copper #### Identity - Project: Lalor Mine - Commodity: copper - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 600000 - Grade: 0.34 - Grade Unit: % - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Copper contributes as a byproduct to the Lalor probable base metal zone reserves. - Positive factor: Copper as a valuable byproduct Evidence · table > 0.34 Context: 600,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-47) Lalor Mine · silver #### Identity - Project: Lalor Mine - Commodity: silver - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 600000 - Grade: 25.1 - Grade Unit: g/t - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the Lalor probable base metal zone reserves. - Positive factor: Silver as a valuable byproduct Evidence · table > 25.1 Context: 600,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-48) 1901 Deposit · gold #### Identity - Project: 1901 Deposit - Commodity: gold - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 700000 - Grade: 1.67 - Grade Unit: g/t - Cutoff Grade: 199 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Probable gold reserves at 1901 deposit contribute to the overall Snow Lake resource base. - Positive factor: Good gold grade in probable category - Positive factor: Contribution from new deposit Evidence · table > 1.67 Context: 700,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-49) 1901 Deposit · zinc #### Identity - Project: 1901 Deposit - Commodity: zinc - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 700000 - Grade: 8.23 - Grade Unit: % - Cutoff Grade: 199 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade probable zinc reserves at 1901 deposit are a significant component of the resource. - Positive factor: High zinc grade in probable category Evidence · table > 8.23 Context: 700,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-50) 1901 Deposit · copper #### Identity - Project: 1901 Deposit - Commodity: copper - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 700000 - Grade: 0.22 - Grade Unit: % - Cutoff Grade: 199 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Copper contributes as a byproduct to the 1901 deposit probable reserves. - Positive factor: Copper as a valuable byproduct Evidence · table > 0.22 Context: 700,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-51) 1901 Deposit · silver #### Identity - Project: 1901 Deposit - Commodity: silver - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 700000 - Grade: 28.5 - Grade Unit: g/t - Cutoff Grade: 199 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the 1901 deposit probable reserves. - Positive factor: Silver as a valuable byproduct Evidence · table > 28.5 Context: 700,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-52) Lalor Mine · gold #### Identity - Project: Lalor Mine - Commodity: gold - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 1400000 - Grade: 4.64 - Grade Unit: g/t - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade inferred gold resources at Lalor provide significant upside potential for future reserve conversion. - Positive factor: High gold grade in inferred category - Positive factor: Potential for future conversion - Negative factor: Lower confidence category Evidence · table > 4.64 Context: 1,400,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-53) Lalor Mine · zinc #### Identity - Project: Lalor Mine - Commodity: zinc - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 1400000 - Grade: 0.21 - Grade Unit: % - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Zinc contributes as a byproduct to the Lalor inferred gold zone resources, but with lower confidence. - Positive factor: Zinc as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 0.21 Context: 1,400,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-54) Lalor Mine · copper #### Identity - Project: Lalor Mine - Commodity: copper - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 1400000 - Grade: 2.48 - Grade Unit: % - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade inferred copper resources at Lalor provide significant upside potential for future reserve conversion. - Positive factor: High copper grade in inferred category - Negative factor: Lower confidence category Evidence · table > 2.48 Context: 1,400,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-55) Lalor Mine · silver #### Identity - Project: Lalor Mine - Commodity: silver - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 1400000 - Grade: 15.4 - Grade Unit: g/t - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the Lalor inferred gold zone resources, but with lower confidence. - Positive factor: Silver as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 15.4 Context: 1,400,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-56) 1901 Deposit · gold #### Identity - Project: 1901 Deposit - Commodity: gold - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 2700000 - Grade: 4.2 - Grade Unit: g/t - Cutoff Grade: 199 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade inferred gold resources at 1901 deposit provide significant upside potential for future reserve conversion. - Positive factor: High gold grade in inferred category - Positive factor: Potential for future conversion - Negative factor: Lower confidence category Evidence · table > 4.20 Context: 2,700,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-57) 1901 Deposit · zinc #### Identity - Project: 1901 Deposit - Commodity: zinc - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 2700000 - Grade: 0.65 - Grade Unit: % - Cutoff Grade: 199 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Zinc contributes as a byproduct to the 1901 deposit inferred gold zone resources, but with lower confidence. - Positive factor: Zinc as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 0.65 Context: 2,700,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-58) 1901 Deposit · copper #### Identity - Project: 1901 Deposit - Commodity: copper - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 2700000 - Grade: 0.58 - Grade Unit: % - Cutoff Grade: 199 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Copper contributes as a byproduct to the 1901 deposit inferred gold zone resources, but with lower confidence. - Positive factor: Copper as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 0.58 Context: 2,700,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-59) 1901 Deposit · silver #### Identity - Project: 1901 Deposit - Commodity: silver - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 2700000 - Grade: 16.3 - Grade Unit: g/t - Cutoff Grade: 199 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the 1901 deposit inferred gold zone resources, but with lower confidence. - Positive factor: Silver as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 16.3 Context: 2,700,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-60) Lalor Mine · gold #### Identity - Project: Lalor Mine - Commodity: gold - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 400000 - Grade: 1.42 - Grade Unit: g/t - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Inferred gold resources in the base metal zone at Lalor provide future exploration potential. - Positive factor: Gold as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 1.42 Context: 400,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-61) Lalor Mine · zinc #### Identity - Project: Lalor Mine - Commodity: zinc - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 400000 - Grade: 1.74 - Grade Unit: % - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Inferred zinc resources in the base metal zone at Lalor provide future exploration potential. - Positive factor: Good zinc grade in inferred category - Negative factor: Lower confidence category Evidence · table > 1.74 Context: 400,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-62) Lalor Mine · copper #### Identity - Project: Lalor Mine - Commodity: copper - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 400000 - Grade: 1.28 - Grade Unit: % - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Inferred copper resources in the base metal zone at Lalor provide future exploration potential. - Positive factor: Good copper grade in inferred category - Negative factor: Lower confidence category Evidence · table > 1.28 Context: 400,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-63) Lalor Mine · silver #### Identity - Project: Lalor Mine - Commodity: silver - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 400000 - Grade: 18.3 - Grade Unit: g/t - Cutoff Grade: 161 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the Lalor inferred base metal zone resources, but with lower confidence. - Positive factor: Silver as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 18.3 Context: 400,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-64) 1901 Deposit · gold #### Identity - Project: 1901 Deposit - Commodity: gold - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 100000 - Grade: 1.23 - Grade Unit: g/t - Cutoff Grade: 199 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Inferred gold resources in the base metal zone at 1901 deposit provide future exploration potential. - Positive factor: Gold as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 1.23 Context: 100,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-65) 1901 Deposit · zinc #### Identity - Project: 1901 Deposit - Commodity: zinc - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 100000 - Grade: 8.12 - Grade Unit: % - Cutoff Grade: 199 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade inferred zinc resources in the base metal zone at 1901 deposit provide significant upside potential. - Positive factor: High zinc grade in inferred category - Negative factor: Lower confidence category Evidence · table > 8.12 Context: 100,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-66) 1901 Deposit · copper #### Identity - Project: 1901 Deposit - Commodity: copper - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 100000 - Grade: 0.13 - Grade Unit: % - Cutoff Grade: 199 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Copper contributes as a byproduct to the 1901 deposit inferred base metal zone resources, but with lower confidence. - Positive factor: Copper as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 0.13 Context: 100,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-67) 1901 Deposit · silver #### Identity - Project: 1901 Deposit - Commodity: silver - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 100000 - Grade: 38.1 - Grade Unit: g/t - Cutoff Grade: 199 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Inferred silver resources in the base metal zone at 1901 deposit provide future exploration potential. - Positive factor: Good silver grade in inferred category - Negative factor: Lower confidence category Evidence · table > 38.1 Context: 100,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-68) WIM · gold #### Identity - Project: WIM - Commodity: gold - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 2450000 - Grade: 1.6 - Grade Unit: g/t #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Probable gold reserves at WIM contribute to the Snow Lake regional deposits, extending mine life. - Positive factor: Probable reserves from satellite deposit Evidence · table > 1.6 Context: 2,450,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-69) WIM · zinc #### Identity - Project: WIM - Commodity: zinc - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 2450000 - Grade: 0.25 - Grade Unit: % #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Zinc contributes as a byproduct to the WIM probable reserves. - Positive factor: Zinc as a valuable byproduct Evidence · table > 0.25 Context: 2,450,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-70) WIM · copper #### Identity - Project: WIM - Commodity: copper - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 2450000 - Grade: 1.63 - Grade Unit: % #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Copper contributes as a byproduct to the WIM probable reserves. - Positive factor: Good copper grade in probable category Evidence · table > 1.63 Context: 2,450,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-71) WIM · silver #### Identity - Project: WIM - Commodity: silver - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 2450000 - Grade: 6.3 - Grade Unit: g/t #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the WIM probable reserves. - Positive factor: Silver as a valuable byproduct Evidence · table > 6.3 Context: 2,450,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-72) 3 Zone · gold #### Identity - Project: 3 Zone - Commodity: gold - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 660000 - Grade: 4.2 - Grade Unit: g/t #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade probable gold reserves at 3 Zone contribute to the Snow Lake regional deposits, extending mine life. - Positive factor: High gold grade in probable category - Positive factor: Contribution from satellite deposit Evidence · table > 4.2 Context: 660,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-73) New Britannia · gold #### Identity - Project: New Britannia - Commodity: gold - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 2750000 - Grade: 4.5 - Grade Unit: g/t - Cutoff Grade: 2 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade inferred gold resources at New Britannia provide significant upside potential for future reserve conversion. - Positive factor: High gold grade in inferred category - Positive factor: Potential for future conversion - Negative factor: Lower confidence category Evidence · table > 4.5 Context: 2,750,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-74) Birch · gold #### Identity - Project: Birch - Commodity: gold - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 570000 - Grade: 4.4 - Grade Unit: g/t #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade inferred gold resources at Birch provide future exploration potential. - Positive factor: High gold grade in inferred category - Positive factor: Potential for future conversion - Negative factor: Lower confidence category Evidence · table > 4.4 Context: 570,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-75) Pen II · gold #### Identity - Project: Pen II - Commodity: gold - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 470000 - Grade: 0.3 - Grade Unit: g/t - Cutoff Grade: 75 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Pen II indicated resources. - Positive factor: Gold as a valuable byproduct Evidence · table > 0.3 Context: 470,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-76) Pen II · zinc #### Identity - Project: Pen II - Commodity: zinc - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 470000 - Grade: 8.89 - Grade Unit: % - Cutoff Grade: 75 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade indicated zinc resources at Pen II are a significant component of the Snow Lake regional deposits. - Positive factor: High zinc grade in indicated category Evidence · table > 8.89 Context: 470,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-77) Pen II · copper #### Identity - Project: Pen II - Commodity: copper - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 470000 - Grade: 0.49 - Grade Unit: % - Cutoff Grade: 75 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Copper contributes as a byproduct to the Pen II indicated resources. - Positive factor: Copper as a valuable byproduct Evidence · table > 0.49 Context: 470,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-78) Pen II · silver #### Identity - Project: Pen II - Commodity: silver - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 470000 - Grade: 6.8 - Grade Unit: g/t - Cutoff Grade: 75 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the Pen II indicated resources. - Positive factor: Silver as a valuable byproduct Evidence · table > 6.8 Context: 470,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-79) Talbot · gold #### Identity - Project: Talbot - Commodity: gold - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 2190000 - Grade: 2.1 - Grade Unit: g/t #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Indicated gold resources at Talbot contribute to the Snow Lake regional deposits. - Positive factor: Good gold grade in indicated category Evidence · table > 2.1 Context: 2,190,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-80) Talbot · zinc #### Identity - Project: Talbot - Commodity: zinc - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 2190000 - Grade: 1.79 - Grade Unit: % #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Indicated zinc resources at Talbot contribute to the Snow Lake regional deposits. - Positive factor: Good zinc grade in indicated category Evidence · table > 1.79 Context: 2,190,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-81) Talbot · copper #### Identity - Project: Talbot - Commodity: copper - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 2190000 - Grade: 2.33 - Grade Unit: % #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade indicated copper resources at Talbot are a significant component of the Snow Lake regional deposits. - Positive factor: High copper grade in indicated category Evidence · table > 2.33 Context: 2,190,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-82) Talbot · silver #### Identity - Project: Talbot - Commodity: silver - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 2190000 - Grade: 36 - Grade Unit: g/t #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Indicated silver resources at Talbot contribute to the Snow Lake regional deposits. - Positive factor: Good silver grade in indicated category Evidence · table > 36.0 Context: 2,190,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-83) Watts · gold #### Identity - Project: Watts - Commodity: gold - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 3150000 - Grade: 1 - Grade Unit: g/t - Cutoff Grade: 150 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Inferred gold resources at Watts provide future exploration potential. - Positive factor: Gold as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 1.0 Context: 3,150,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-84) Watts · zinc #### Identity - Project: Watts - Commodity: zinc - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 3150000 - Grade: 2.58 - Grade Unit: % - Cutoff Grade: 150 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Inferred zinc resources at Watts provide future exploration potential. - Positive factor: Good zinc grade in inferred category - Negative factor: Lower confidence category Evidence · table > 2.58 Context: 3,150,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-85) Watts · copper #### Identity - Project: Watts - Commodity: copper - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 3150000 - Grade: 2.34 - Grade Unit: % - Cutoff Grade: 150 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade inferred copper resources at Watts provide significant upside potential. - Positive factor: High copper grade in inferred category - Negative factor: Lower confidence category Evidence · table > 2.34 Context: 3,150,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-86) Watts · silver #### Identity - Project: Watts - Commodity: silver - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 3150000 - Grade: 31 - Grade Unit: g/t - Cutoff Grade: 150 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Inferred silver resources at Watts provide future exploration potential. - Positive factor: Good silver grade in inferred category - Negative factor: Lower confidence category Evidence · table > 31.0 Context: 3,150,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-87) Pen II · gold #### Identity - Project: Pen II - Commodity: gold - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 130000 - Grade: 0.3 - Grade Unit: g/t - Cutoff Grade: 75 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Inferred gold resources at Pen II provide future exploration potential. - Positive factor: Gold as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 0.3 Context: 130,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-88) Pen II · zinc #### Identity - Project: Pen II - Commodity: zinc - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 130000 - Grade: 9.81 - Grade Unit: % - Cutoff Grade: 75 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade inferred zinc resources at Pen II provide significant upside potential. - Positive factor: High zinc grade in inferred category - Negative factor: Lower confidence category Evidence · table > 9.81 Context: 130,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-89) Pen II · copper #### Identity - Project: Pen II - Commodity: copper - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 130000 - Grade: 0.37 - Grade Unit: % - Cutoff Grade: 75 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Copper contributes as a byproduct to the Pen II inferred resources. - Positive factor: Copper as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 0.37 Context: 130,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-90) Pen II · silver #### Identity - Project: Pen II - Commodity: silver - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 130000 - Grade: 6.8 - Grade Unit: g/t - Cutoff Grade: 75 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the Pen II inferred resources. - Positive factor: Silver as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 6.8 Context: 130,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-91) Talbot · gold #### Identity - Project: Talbot - Commodity: gold - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 2450000 - Grade: 1.9 - Grade Unit: g/t #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Inferred gold resources at Talbot provide future exploration potential. - Positive factor: Good gold grade in inferred category - Negative factor: Lower confidence category Evidence · table > 1.9 Context: 2,450,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-92) Talbot · zinc #### Identity - Project: Talbot - Commodity: zinc - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 2450000 - Grade: 1.74 - Grade Unit: % #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Inferred zinc resources at Talbot provide future exploration potential. - Positive factor: Good zinc grade in inferred category - Negative factor: Lower confidence category Evidence · table > 1.74 Context: 2,450,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-93) Talbot · copper #### Identity - Project: Talbot - Commodity: copper - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 2450000 - Grade: 1.13 - Grade Unit: % #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Inferred copper resources at Talbot provide future exploration potential. - Positive factor: Good copper grade in inferred category - Negative factor: Lower confidence category Evidence · table > 1.13 Context: 2,450,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-94) Talbot · silver #### Identity - Project: Talbot - Commodity: silver - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 2450000 - Grade: 25.8 - Grade Unit: g/t #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Inferred silver resources at Talbot provide future exploration potential. - Positive factor: Good silver grade in inferred category - Negative factor: Lower confidence category Evidence · table > 25.8 Context: 2,450,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-95) Copper Mountain Mine · copper #### Identity - Project: Copper Mountain Mine - Commodity: copper - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 159000000 - Grade: 0.251 - Grade Unit: % - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Significant proven copper reserves at Copper Mountain support the mine life extension. - Positive factor: Large tonnage in high-confidence category - Positive factor: Good copper grade for an open pit porphyry Evidence · table > 0.251 Context: 159,000,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-96) Copper Mountain Mine · gold #### Identity - Project: Copper Mountain Mine - Commodity: gold - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 159000000 - Grade: 0.111 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Copper Mountain proven reserves. - Positive factor: Gold as a valuable byproduct Evidence · table > 0.111 Context: 159,000,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-97) Copper Mountain Mine · silver #### Identity - Project: Copper Mountain Mine - Commodity: silver - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 159000000 - Grade: 0.71 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the Copper Mountain proven reserves. - Positive factor: Silver as a valuable byproduct Evidence · table > 0.71 Context: 159,000,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-98) Copper Mountain Mine · copper #### Identity - Project: Copper Mountain Mine - Commodity: copper - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 186000000 - Grade: 0.26 - Grade Unit: % - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Significant probable copper reserves at Copper Mountain add to the overall resource base. - Positive factor: Large tonnage in probable category - Positive factor: Good copper grade for an open pit porphyry Evidence · table > 0.260 Context: 186,000,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-99) Copper Mountain Mine · gold #### Identity - Project: Copper Mountain Mine - Commodity: gold - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 186000000 - Grade: 0.133 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Copper Mountain probable reserves. - Positive factor: Gold as a valuable byproduct Evidence · table > 0.133 Context: 186,000,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-100) Copper Mountain Mine · silver #### Identity - Project: Copper Mountain Mine - Commodity: silver - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 186000000 - Grade: 0.6 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the Copper Mountain probable reserves. - Positive factor: Silver as a valuable byproduct Evidence · table > 0.60 Context: 186,000,000 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-101) Copper Mountain Mine · copper #### Identity - Project: Copper Mountain Mine - Commodity: copper - Ticker: HBM #### Resource Data - Category: measured - Tonnes: 35000000 - Grade: 0.226 - Grade Unit: % - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Measured copper resources provide a high-confidence base for future reserve conversion. - Positive factor: Good copper grade in measured category - Positive factor: High confidence resource Evidence · table > 0.226 Context: 35,000,000 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-102) Copper Mountain Mine · gold #### Identity - Project: Copper Mountain Mine - Commodity: gold - Ticker: HBM #### Resource Data - Category: measured - Tonnes: 35000000 - Grade: 0.086 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Copper Mountain measured resources. - Positive factor: Gold as a valuable byproduct Evidence · table > 0.086 Context: 35,000,000 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-103) Copper Mountain Mine · silver #### Identity - Project: Copper Mountain Mine - Commodity: silver - Ticker: HBM #### Resource Data - Category: measured - Tonnes: 35000000 - Grade: 0.83 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the Copper Mountain measured resources. - Positive factor: Silver as a valuable byproduct Evidence · table > 0.83 Context: 35,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-104) Copper Mountain Mine · copper #### Identity - Project: Copper Mountain Mine - Commodity: copper - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 87000000 - Grade: 0.203 - Grade Unit: % - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Indicated copper resources add to the overall resource base, providing a good target for future infill drilling and conversion to reserves. - Positive factor: Additional tonnage in indicated category Evidence · table > 0.203 Context: 87,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-105) Copper Mountain Mine · gold #### Identity - Project: Copper Mountain Mine - Commodity: gold - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 87000000 - Grade: 0.101 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Copper Mountain indicated resources. - Positive factor: Gold as a valuable byproduct Evidence · table > 0.101 Context: 87,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-106) Copper Mountain Mine · silver #### Identity - Project: Copper Mountain Mine - Commodity: silver - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 87000000 - Grade: 0.72 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the Copper Mountain indicated resources. - Positive factor: Silver as a valuable byproduct Evidence · table > 0.72 Context: 87,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-107) Copper Mountain Mine · copper #### Identity - Project: Copper Mountain Mine - Commodity: copper - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 347000000 - Grade: 0.235 - Grade Unit: % - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Inferred copper resources provide significant future exploration potential but require further drilling to upgrade confidence. - Positive factor: Large tonnage for future exploration - Negative factor: Lower confidence category Evidence · table > 0.235 Context: 347,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-108) Copper Mountain Mine · gold #### Identity - Project: Copper Mountain Mine - Commodity: gold - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 347000000 - Grade: 0.124 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Copper Mountain inferred resources, but with lower confidence. - Positive factor: Gold as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 0.124 Context: 347,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-109) Copper Mountain Mine · silver #### Identity - Project: Copper Mountain Mine - Commodity: silver - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 347000000 - Grade: 0.57 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the Copper Mountain inferred resources, but with lower confidence. - Positive factor: Silver as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 0.57 Context: 347,000,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-110) Copper World Project · copper #### Identity - Project: Copper World Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 319000000 - Grade: 0.54 - Grade Unit: % - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade proven copper reserves at Copper World are a key asset for this development project, further de-risked by the recent JV. - Positive factor: High copper grade in proven category - Positive factor: Large tonnage for a development project - Positive factor: De-risked by JV transaction Evidence · table > 0.54 Context: 319,000,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-111) Copper World Project · copper #### Identity - Project: Copper World Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 319000000 - Grade: 0.11 - Grade Unit: % - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Soluble copper content in proven reserves suggests potential for heap leaching, adding processing flexibility. - Positive factor: Soluble copper indicates leach potential Evidence · table > 0.11 Context: 319,000,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-112) Copper World Project · molybdenum #### Identity - Project: Copper World Project - Commodity: molybdenum - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 319000000 - Grade: 110 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Molybdenum contributes as a valuable byproduct to the Copper World proven reserves. - Positive factor: Molybdenum as a valuable byproduct Evidence · table > 110 Context: 319,000,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-113) Copper World Project · gold #### Identity - Project: Copper World Project - Commodity: gold - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 319000000 - Grade: 0.03 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Copper World proven reserves. - Positive factor: Gold as a valuable byproduct Evidence · table > 0.03 Context: 319,000,000 ### proven [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-114) Copper World Project · silver #### Identity - Project: Copper World Project - Commodity: silver - Ticker: HBM #### Resource Data - Category: proven - Tonnes: 319000000 - Grade: 5.7 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a valuable byproduct to the Copper World proven reserves. - Positive factor: Silver as a valuable byproduct Evidence · table > 5.7 Context: 319,000,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-115) Copper World Project · copper #### Identity - Project: Copper World Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 66000000 - Grade: 0.52 - Grade Unit: % - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade probable copper reserves at Copper World add to the overall resource base for this development project. - Positive factor: High copper grade in probable category - Positive factor: Additional tonnage for a development project Evidence · table > 0.52 Context: 66,000,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-116) Copper World Project · copper #### Identity - Project: Copper World Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 66000000 - Grade: 0.14 - Grade Unit: % - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Soluble copper content in probable reserves suggests potential for heap leaching, adding processing flexibility. - Positive factor: Soluble copper indicates leach potential Evidence · table > 0.14 Context: 66,000,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-117) Copper World Project · molybdenum #### Identity - Project: Copper World Project - Commodity: molybdenum - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 66000000 - Grade: 96 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Molybdenum contributes as a valuable byproduct to the Copper World probable reserves. - Positive factor: Molybdenum as a valuable byproduct Evidence · table > 96 Context: 66,000,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-118) Copper World Project · gold #### Identity - Project: Copper World Project - Commodity: gold - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 66000000 - Grade: 0.02 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Copper World probable reserves. - Positive factor: Gold as a valuable byproduct Evidence · table > 0.02 Context: 66,000,000 ### probable [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-119) Copper World Project · silver #### Identity - Project: Copper World Project - Commodity: silver - Ticker: HBM #### Resource Data - Category: probable - Tonnes: 66000000 - Grade: 4.3 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a valuable byproduct to the Copper World probable reserves. - Positive factor: Silver as a valuable byproduct Evidence · table > 4.3 Context: 66,000,000 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-120) Copper World Project · copper #### Identity - Project: Copper World Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: measured - Tonnes: 424000000 - Grade: 0.39 - Grade Unit: % - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Measured copper resources for flotation material provide a high-confidence base for future reserve conversion. - Positive factor: Large tonnage in high-confidence category - Positive factor: Good copper grade for a porphyry Evidence · table > 0.39 Context: 424,000,000 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-121) Copper World Project · copper #### Identity - Project: Copper World Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: measured - Tonnes: 424000000 - Grade: 0.04 - Grade Unit: % - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Soluble copper content is noted for measured resources, though lower for flotation material. - Positive factor: Soluble copper content noted Evidence · table > 0.04 Context: 424,000,000 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-122) Copper World Project · molybdenum #### Identity - Project: Copper World Project - Commodity: molybdenum - Ticker: HBM #### Resource Data - Category: measured - Tonnes: 424000000 - Grade: 150 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade molybdenum contributes significantly as a byproduct to the Copper World measured resources. - Positive factor: High molybdenum grade as a valuable byproduct Evidence · table > 150 Context: 424,000,000 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-123) Copper World Project · gold #### Identity - Project: Copper World Project - Commodity: gold - Ticker: HBM #### Resource Data - Category: measured - Tonnes: 424000000 - Grade: 0.02 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Copper World measured resources. - Positive factor: Gold as a valuable byproduct Evidence · table > 0.02 Context: 424,000,000 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-124) Copper World Project · silver #### Identity - Project: Copper World Project - Commodity: silver - Ticker: HBM #### Resource Data - Category: measured - Tonnes: 424000000 - Grade: 4.1 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a valuable byproduct to the Copper World measured resources. - Positive factor: Silver as a valuable byproduct Evidence · table > 4.1 Context: 424,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-125) Copper World Project · copper #### Identity - Project: Copper World Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 191000000 - Grade: 0.36 - Grade Unit: % - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Indicated copper resources for flotation material add to the overall resource base, providing a good target for future infill drilling. - Positive factor: Large tonnage in indicated category - Positive factor: Good copper grade for a porphyry Evidence · table > 0.36 Context: 191,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-126) Copper World Project · copper #### Identity - Project: Copper World Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 191000000 - Grade: 0.06 - Grade Unit: % - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Soluble copper content is noted for indicated resources, though lower for flotation material. - Positive factor: Soluble copper content noted Evidence · table > 0.06 Context: 191,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-127) Copper World Project · molybdenum #### Identity - Project: Copper World Project - Commodity: molybdenum - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 191000000 - Grade: 125 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade molybdenum contributes significantly as a byproduct to the Copper World indicated resources. - Positive factor: High molybdenum grade as a valuable byproduct Evidence · table > 125 Context: 191,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-128) Copper World Project · gold #### Identity - Project: Copper World Project - Commodity: gold - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 191000000 - Grade: 0.02 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Copper World indicated resources. - Positive factor: Gold as a valuable byproduct Evidence · table > 0.02 Context: 191,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-129) Copper World Project · silver #### Identity - Project: Copper World Project - Commodity: silver - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 191000000 - Grade: 3.5 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a valuable byproduct to the Copper World indicated resources. - Positive factor: Silver as a valuable byproduct Evidence · table > 3.5 Context: 191,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-130) Copper World Project · copper #### Identity - Project: Copper World Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 192000000 - Grade: 0.35 - Grade Unit: % - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Inferred copper resources for flotation material provide significant future exploration potential but require further drilling to upgrade confidence. - Positive factor: Large tonnage for future exploration - Positive factor: Good copper grade for a porphyry - Negative factor: Lower confidence category Evidence · table > 0.35 Context: 192,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-131) Copper World Project · copper #### Identity - Project: Copper World Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 192000000 - Grade: 0.07 - Grade Unit: % - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Soluble copper content is noted for inferred resources, though lower for flotation material. - Positive factor: Soluble copper content noted - Negative factor: Lower confidence category Evidence · table > 0.07 Context: 192,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-132) Copper World Project · molybdenum #### Identity - Project: Copper World Project - Commodity: molybdenum - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 192000000 - Grade: 117 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade molybdenum contributes significantly as a byproduct to the Copper World inferred resources. - Positive factor: High molybdenum grade as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 117 Context: 192,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-133) Copper World Project · gold #### Identity - Project: Copper World Project - Commodity: gold - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 192000000 - Grade: 0.01 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Copper World inferred resources. - Positive factor: Gold as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 0.01 Context: 192,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-134) Copper World Project · silver #### Identity - Project: Copper World Project - Commodity: silver - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 192000000 - Grade: 3.1 - Grade Unit: g/t - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a valuable byproduct to the Copper World inferred resources. - Positive factor: Silver as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 3.1 Context: 192,000,000 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-135) Copper World Project · copper #### Identity - Project: Copper World Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: measured - Tonnes: 159000000 - Grade: 0.28 - Grade Unit: % - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Measured copper resources for leach material provide a high-confidence base for future reserve conversion, specifically for heap leaching. - Positive factor: Large tonnage in high-confidence category - Positive factor: Good copper grade for leach material Evidence · table > 0.28 Context: 159,000,000 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-136) Copper World Project · copper #### Identity - Project: Copper World Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: measured - Tonnes: 159000000 - Grade: 0.2 - Grade Unit: % - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High soluble copper content in measured resources is a strong positive for the leach processing route. - Positive factor: High soluble copper content, ideal for leaching Evidence · table > 0.20 Context: 159,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-137) Copper World Project · copper #### Identity - Project: Copper World Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 70000000 - Grade: 0.26 - Grade Unit: % - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Indicated copper resources for leach material add to the overall resource base, providing a good target for future infill drilling. - Positive factor: Additional tonnage in indicated category - Positive factor: Good copper grade for leach material Evidence · table > 0.26 Context: 70,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-138) Copper World Project · copper #### Identity - Project: Copper World Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 70000000 - Grade: 0.2 - Grade Unit: % - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High soluble copper content in indicated resources is a strong positive for the leach processing route. - Positive factor: High soluble copper content, ideal for leaching Evidence · table > 0.20 Context: 70,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-139) Copper World Project · copper #### Identity - Project: Copper World Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 83000000 - Grade: 0.26 - Grade Unit: % - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Inferred copper resources for leach material provide significant future exploration potential but require further drilling to upgrade confidence. - Positive factor: Large tonnage for future exploration - Positive factor: Good copper grade for leach material - Negative factor: Lower confidence category Evidence · table > 0.26 Context: 83,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-140) Copper World Project · copper #### Identity - Project: Copper World Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 83000000 - Grade: 0.19 - Grade Unit: % - Cutoff Grade: 0.1 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High soluble copper content in inferred resources is a strong positive for the leach processing route, indicating future potential. - Positive factor: High soluble copper content, ideal for leaching - Negative factor: Lower confidence category Evidence · table > 0.19 Context: 83,000,000 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-141) Mason Project · copper #### Identity - Project: Mason Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: measured - Tonnes: 1417000000 - Grade: 0.29 - Grade Unit: % - Cutoff Grade: 6.25 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Very large measured copper resources at Mason provide a high-confidence base for this long-term development asset. - Positive factor: Very large tonnage in high-confidence category - Positive factor: Good copper grade for a porphyry Evidence · table > 0.29 Context: 1,417,000,000 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-142) Mason Project · molybdenum #### Identity - Project: Mason Project - Commodity: molybdenum - Ticker: HBM #### Resource Data - Category: measured - Tonnes: 1417000000 - Grade: 59 - Grade Unit: g/t - Cutoff Grade: 6.25 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Molybdenum contributes as a byproduct to the Mason measured resources. - Positive factor: Molybdenum as a valuable byproduct Evidence · table > 59 Context: 1,417,000,000 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-143) Mason Project · gold #### Identity - Project: Mason Project - Commodity: gold - Ticker: HBM #### Resource Data - Category: measured - Tonnes: 1417000000 - Grade: 0.031 - Grade Unit: g/t - Cutoff Grade: 6.25 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Mason measured resources. - Positive factor: Gold as a valuable byproduct Evidence · table > 0.031 Context: 1,417,000,000 ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-144) Mason Project · silver #### Identity - Project: Mason Project - Commodity: silver - Ticker: HBM #### Resource Data - Category: measured - Tonnes: 1417000000 - Grade: 0.66 - Grade Unit: g/t - Cutoff Grade: 6.25 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the Mason measured resources. - Positive factor: Silver as a valuable byproduct Evidence · table > 0.66 Context: 1,417,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-145) Mason Project · copper #### Identity - Project: Mason Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 801000000 - Grade: 0.3 - Grade Unit: % - Cutoff Grade: 6.25 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Very large indicated copper resources at Mason add to the overall resource base for this long-term development asset. - Positive factor: Very large tonnage in indicated category - Positive factor: Good copper grade for a porphyry Evidence · table > 0.30 Context: 801,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-146) Mason Project · molybdenum #### Identity - Project: Mason Project - Commodity: molybdenum - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 801000000 - Grade: 80 - Grade Unit: g/t - Cutoff Grade: 6.25 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Molybdenum contributes as a byproduct to the Mason indicated resources. - Positive factor: Molybdenum as a valuable byproduct Evidence · table > 80 Context: 801,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-147) Mason Project · gold #### Identity - Project: Mason Project - Commodity: gold - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 801000000 - Grade: 0.025 - Grade Unit: g/t - Cutoff Grade: 6.25 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Mason indicated resources. - Positive factor: Gold as a valuable byproduct Evidence · table > 0.025 Context: 801,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-148) Mason Project · silver #### Identity - Project: Mason Project - Commodity: silver - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 801000000 - Grade: 0.57 - Grade Unit: g/t - Cutoff Grade: 6.25 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the Mason indicated resources. - Positive factor: Silver as a valuable byproduct Evidence · table > 0.57 Context: 801,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-149) Mason Project · copper #### Identity - Project: Mason Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 237000000 - Grade: 0.24 - Grade Unit: % - Cutoff Grade: 6.25 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Large inferred copper resources at Mason provide significant future exploration potential but require further drilling to upgrade confidence. - Positive factor: Large tonnage for future exploration - Positive factor: Good copper grade for a porphyry - Negative factor: Lower confidence category Evidence · table > 0.24 Context: 237,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-150) Mason Project · molybdenum #### Identity - Project: Mason Project - Commodity: molybdenum - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 237000000 - Grade: 78 - Grade Unit: g/t - Cutoff Grade: 6.25 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Molybdenum contributes as a byproduct to the Mason inferred resources, but with lower confidence. - Positive factor: Molybdenum as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 78 Context: 237,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-151) Mason Project · gold #### Identity - Project: Mason Project - Commodity: gold - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 237000000 - Grade: 0.033 - Grade Unit: g/t - Cutoff Grade: 6.25 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Mason inferred resources, but with lower confidence. - Positive factor: Gold as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 0.033 Context: 237,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-152) Mason Project · silver #### Identity - Project: Mason Project - Commodity: silver - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 237000000 - Grade: 0.73 - Grade Unit: g/t - Cutoff Grade: 6.25 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a byproduct to the Mason inferred resources, but with lower confidence. - Positive factor: Silver as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 0.73 Context: 237,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-153) Llaguen Project · copper #### Identity - Project: Llaguen Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 271000000 - Grade: 0.33 - Grade Unit: % - Cutoff Grade: 0.14 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Large indicated copper resources at Llaguen provide a good base for this development project. - Positive factor: Large tonnage in indicated category - Positive factor: Good copper grade for a porphyry Evidence · table > 0.33 Context: 271,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-154) Llaguen Project · molybdenum #### Identity - Project: Llaguen Project - Commodity: molybdenum - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 271000000 - Grade: 218 - Grade Unit: g/t - Cutoff Grade: 0.14 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Very high-grade molybdenum contributes significantly as a byproduct to the Llaguen indicated resources. - Positive factor: Very high molybdenum grade as a valuable byproduct Evidence · table > 218 Context: 271,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-155) Llaguen Project · gold #### Identity - Project: Llaguen Project - Commodity: gold - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 271000000 - Grade: 0.033 - Grade Unit: g/t - Cutoff Grade: 0.14 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Llaguen indicated resources. - Positive factor: Gold as a valuable byproduct Evidence · table > 0.033 Context: 271,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-156) Llaguen Project · silver #### Identity - Project: Llaguen Project - Commodity: silver - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 271000000 - Grade: 2.04 - Grade Unit: g/t - Cutoff Grade: 0.14 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a valuable byproduct to the Llaguen indicated resources. - Positive factor: Silver as a valuable byproduct Evidence · table > 2.04 Context: 271,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-157) Llaguen Project · copper\_equivalent #### Identity - Project: Llaguen Project - Commodity: copper\_equivalent - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 271000000 - Grade: 0.42 - Grade Unit: % CuEq - Cutoff Grade: 0.14 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: The copper equivalent grade provides a combined value for the polymetallic indicated resources, with transparent assumptions. - Positive factor: Good copper equivalent grade - Positive factor: Assumptions disclosed for transparency Evidence · table > 0.42 Context: 271,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-158) Llaguen Project · copper #### Identity - Project: Llaguen Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 113000000 - Grade: 0.49 - Grade Unit: % - Cutoff Grade: 0.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade indicated copper resources at Llaguen represent a valuable core of the deposit. - Positive factor: High copper grade in indicated category - Positive factor: Significant tonnage in high-grade zone Evidence · table > 0.49 Context: 113,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-159) Llaguen Project · molybdenum #### Identity - Project: Llaguen Project - Commodity: molybdenum - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 113000000 - Grade: 261 - Grade Unit: g/t - Cutoff Grade: 0.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Exceptional molybdenum grade contributes significantly as a byproduct to the Llaguen high-grade indicated resources. - Positive factor: Exceptional molybdenum grade as a valuable byproduct Evidence · table > 261 Context: 113,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-160) Llaguen Project · gold #### Identity - Project: Llaguen Project - Commodity: gold - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 113000000 - Grade: 0.046 - Grade Unit: g/t - Cutoff Grade: 0.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Llaguen high-grade indicated resources. - Positive factor: Gold as a valuable byproduct Evidence · table > 0.046 Context: 113,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-161) Llaguen Project · silver #### Identity - Project: Llaguen Project - Commodity: silver - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 113000000 - Grade: 2.73 - Grade Unit: g/t - Cutoff Grade: 0.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a valuable byproduct to the Llaguen high-grade indicated resources. - Positive factor: Silver as a valuable byproduct Evidence · table > 2.73 Context: 113,000,000 ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-162) Llaguen Project · copper\_equivalent #### Identity - Project: Llaguen Project - Commodity: copper\_equivalent - Ticker: HBM #### Resource Data - Category: indicated - Tonnes: 113000000 - Grade: 0.6 - Grade Unit: % CuEq - Cutoff Grade: 0.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: The copper equivalent grade provides a combined value for the polymetallic high-grade indicated resources, with transparent assumptions. - Positive factor: High copper equivalent grade - Positive factor: Assumptions disclosed for transparency Evidence · table > 0.60 Context: 113,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-163) Llaguen Project · copper #### Identity - Project: Llaguen Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 83000000 - Grade: 0.24 - Grade Unit: % - Cutoff Grade: 0.14 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Large inferred copper resources at Llaguen provide significant future exploration potential but require further drilling to upgrade confidence. - Positive factor: Large tonnage for future exploration - Positive factor: Good copper grade for a porphyry - Negative factor: Lower confidence category Evidence · table > 0.24 Context: 83,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-164) Llaguen Project · molybdenum #### Identity - Project: Llaguen Project - Commodity: molybdenum - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 83000000 - Grade: 127 - Grade Unit: g/t - Cutoff Grade: 0.14 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade molybdenum contributes significantly as a byproduct to the Llaguen inferred resources. - Positive factor: High molybdenum grade as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 127 Context: 83,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-165) Llaguen Project · gold #### Identity - Project: Llaguen Project - Commodity: gold - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 83000000 - Grade: 0.024 - Grade Unit: g/t - Cutoff Grade: 0.14 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Llaguen inferred resources. - Positive factor: Gold as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 0.024 Context: 83,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-166) Llaguen Project · silver #### Identity - Project: Llaguen Project - Commodity: silver - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 83000000 - Grade: 1.47 - Grade Unit: g/t - Cutoff Grade: 0.14 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a valuable byproduct to the Llaguen inferred resources. - Positive factor: Silver as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 1.47 Context: 83,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-167) Llaguen Project · copper\_equivalent #### Identity - Project: Llaguen Project - Commodity: copper\_equivalent - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 83000000 - Grade: 0.3 - Grade Unit: % CuEq - Cutoff Grade: 0.14 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: The copper equivalent grade provides a combined value for the polymetallic inferred resources, with transparent assumptions. - Positive factor: Good copper equivalent grade - Positive factor: Assumptions disclosed for transparency - Negative factor: Lower confidence category Evidence · table > 0.30 Context: 83,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-168) Llaguen Project · copper #### Identity - Project: Llaguen Project - Commodity: copper - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 16000000 - Grade: 0.45 - Grade Unit: % - Cutoff Grade: 0.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade inferred copper resources at Llaguen represent a valuable core of the deposit, with future potential. - Positive factor: High copper grade in inferred category - Positive factor: Significant tonnage in high-grade zone - Negative factor: Lower confidence category Evidence · table > 0.45 Context: 16,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-169) Llaguen Project · molybdenum #### Identity - Project: Llaguen Project - Commodity: molybdenum - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 16000000 - Grade: 141 - Grade Unit: g/t - Cutoff Grade: 0.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade molybdenum contributes significantly as a byproduct to the Llaguen high-grade inferred resources. - Positive factor: High molybdenum grade as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 141 Context: 16,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-170) Llaguen Project · gold #### Identity - Project: Llaguen Project - Commodity: gold - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 16000000 - Grade: 0.038 - Grade Unit: g/t - Cutoff Grade: 0.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold contributes as a byproduct to the Llaguen high-grade inferred resources. - Positive factor: Gold as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 0.038 Context: 16,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-171) Llaguen Project · silver #### Identity - Project: Llaguen Project - Commodity: silver - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 16000000 - Grade: 2.6 - Grade Unit: g/t - Cutoff Grade: 0.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver contributes as a valuable byproduct to the Llaguen high-grade inferred resources. - Positive factor: Silver as a valuable byproduct - Negative factor: Lower confidence category Evidence · table > 2.60 Context: 16,000,000 ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-172) Llaguen Project · copper\_equivalent #### Identity - Project: Llaguen Project - Commodity: copper\_equivalent - Ticker: HBM #### Resource Data - Category: inferred - Tonnes: 16000000 - Grade: 0.52 - Grade Unit: % CuEq - Cutoff Grade: 0.3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: The copper equivalent grade provides a combined value for the polymetallic high-grade inferred resources, with transparent assumptions. - Positive factor: High copper equivalent grade - Positive factor: Assumptions disclosed for transparency - Negative factor: Lower confidence category Evidence · table > 0.52 Context: 16,000,000 ### Fact 174 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-173) Talbot Deposit · copper #### Identity - Project: Talbot Deposit - Commodity: copper - Ticker: HBM #### Resource Data - Grade: 2.4 - Grade Unit: % #### Location - Easting: 458517 - Northing: 5997397 - Loc. Confidence: high #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: This intercept shows high-grade copper over a significant true width, indicating strong mineralization and potential for resource expansion at the Talbot VMS deposit. - Positive factor: High copper grade - Positive factor: Significant true width - Positive factor: True width disclosed - Positive factor: Part of resource expansion drilling Evidence · table > 2.4 Context: 11.5 ### Fact 175 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-174) Talbot Deposit · gold #### Identity - Project: Talbot Deposit - Commodity: gold - Ticker: HBM #### Resource Data - Grade: 1.8 - Grade Unit: g/t #### Location - Easting: 458517 - Northing: 5997397 - Loc. Confidence: high #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold as a byproduct contributes significantly to the overall value of this high-grade copper intercept at Talbot. - Positive factor: Good gold grade as a byproduct - Positive factor: Significant true width Evidence · table > 1.8 Context: 11.5 ### Fact 176 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-175) Talbot Deposit · silver #### Identity - Project: Talbot Deposit - Commodity: silver - Ticker: HBM #### Resource Data - Grade: 55.1 - Grade Unit: g/t #### Location - Easting: 458517 - Northing: 5997397 - Loc. Confidence: high #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: High-grade silver as a byproduct significantly enhances the value of this copper intercept at Talbot. - Positive factor: High silver grade as a byproduct - Positive factor: Significant true width Evidence · table > 55.1 Context: 11.5 ### Fact 177 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-176) Talbot Deposit · zinc #### Identity - Project: Talbot Deposit - Commodity: zinc - Ticker: HBM #### Resource Data - Grade: 0.8 - Grade Unit: % #### Location - Easting: 458517 - Northing: 5997397 - Loc. Confidence: high #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Zinc as a byproduct contributes to the overall polymetallic nature of this intercept at Talbot. - Positive factor: Zinc as a valuable byproduct - Positive factor: Significant true width Evidence · table > 0.8 Context: 11.5 ### Fact 178 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-177) Talbot Deposit · copper #### Identity - Project: Talbot Deposit - Commodity: copper - Ticker: HBM #### Resource Data - Grade: 1.2 - Grade Unit: % #### Location - Easting: 458301 - Northing: 5996995 - Loc. Confidence: high #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: This intercept shows good copper grade over a significant true width, indicating strong mineralization and potential for resource expansion at the Talbot VMS deposit. - Positive factor: Good copper grade - Positive factor: Significant true width - Positive factor: True width disclosed - Positive factor: Part of resource expansion drilling Evidence · table > 1.2 Context: 14.2 ### Fact 179 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-178) Talbot Deposit · gold #### Identity - Project: Talbot Deposit - Commodity: gold - Ticker: HBM #### Resource Data - Grade: 0.8 - Grade Unit: g/t #### Location - Easting: 458301 - Northing: 5996995 - Loc. Confidence: high #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold as a byproduct contributes to the overall value of this copper intercept at Talbot. - Positive factor: Good gold grade as a byproduct - Positive factor: Significant true width Evidence · table > 0.8 Context: 14.2 ### Fact 180 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-179) Talbot Deposit · silver #### Identity - Project: Talbot Deposit - Commodity: silver - Ticker: HBM #### Resource Data - Grade: 17.8 - Grade Unit: g/t #### Location - Easting: 458301 - Northing: 5996995 - Loc. Confidence: high #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver as a byproduct enhances the value of this copper intercept at Talbot. - Positive factor: Good silver grade as a byproduct - Positive factor: Significant true width Evidence · table > 17.8 Context: 14.2 ### Fact 181 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-180) Talbot Deposit · zinc #### Identity - Project: Talbot Deposit - Commodity: zinc - Ticker: HBM #### Resource Data - Grade: 0.5 - Grade Unit: % #### Location - Easting: 458301 - Northing: 5996995 - Loc. Confidence: high #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Zinc as a byproduct contributes to the overall polymetallic nature of this intercept at Talbot. - Positive factor: Zinc as a valuable byproduct - Positive factor: Significant true width Evidence · table > 0.5 Context: 14.2 ### Fact 182 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-181) Talbot Deposit · copper #### Identity - Project: Talbot Deposit - Commodity: copper - Ticker: HBM #### Resource Data - Grade: 2 - Grade Unit: % #### Location - Easting: 458293 - Northing: 5996998 - Loc. Confidence: high #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: This intercept shows high-grade copper over a good true width, indicating strong mineralization and potential for resource expansion at the Talbot VMS deposit. - Positive factor: High copper grade - Positive factor: Good true width - Positive factor: True width disclosed - Positive factor: Part of resource expansion drilling Evidence · table > 2.0 Context: 6.0 ### Fact 183 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-182) Talbot Deposit · gold #### Identity - Project: Talbot Deposit - Commodity: gold - Ticker: HBM #### Resource Data - Grade: 0.7 - Grade Unit: g/t #### Location - Easting: 458293 - Northing: 5996998 - Loc. Confidence: high #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold as a byproduct contributes to the overall value of this copper intercept at Talbot. - Positive factor: Good gold grade as a byproduct - Positive factor: Good true width Evidence · table > 0.7 Context: 6.0 ### Fact 184 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-183) Talbot Deposit · silver #### Identity - Project: Talbot Deposit - Commodity: silver - Ticker: HBM #### Resource Data - Grade: 16.9 - Grade Unit: g/t #### Location - Easting: 458293 - Northing: 5996998 - Loc. Confidence: high #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver as a byproduct enhances the value of this copper intercept at Talbot. - Positive factor: Good silver grade as a byproduct - Positive factor: Good true width Evidence · table > 16.9 Context: 6.0 ### Fact 185 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-184) Talbot Deposit · zinc #### Identity - Project: Talbot Deposit - Commodity: zinc - Ticker: HBM #### Resource Data - Grade: 0.5 - Grade Unit: % #### Location - Easting: 458293 - Northing: 5996998 - Loc. Confidence: high #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Zinc as a byproduct contributes to the overall polymetallic nature of this intercept at Talbot. - Positive factor: Zinc as a valuable byproduct - Positive factor: Good true width Evidence · table > 0.5 Context: 6.0 ### Fact 186 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-185) Talbot Deposit · copper #### Identity - Project: Talbot Deposit - Commodity: copper - Ticker: HBM #### Resource Data - Grade: 1.4 - Grade Unit: % #### Location - Easting: 458322 - Northing: 5997184 - Loc. Confidence: high #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: This intercept shows good copper grade over a good true width, indicating strong mineralization and potential for resource expansion at the Talbot VMS deposit. - Positive factor: Good copper grade - Positive factor: Good true width - Positive factor: True width disclosed - Positive factor: Part of resource expansion drilling Evidence · table > 1.4 Context: 7.8 ### Fact 187 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-186) Talbot Deposit · gold #### Identity - Project: Talbot Deposit - Commodity: gold - Ticker: HBM #### Resource Data - Grade: 0.9 - Grade Unit: g/t #### Location - Easting: 458322 - Northing: 5997184 - Loc. Confidence: high #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold as a byproduct contributes to the overall value of this copper intercept at Talbot. - Positive factor: Good gold grade as a byproduct - Positive factor: Good true width Evidence · table > 0.9 Context: 7.8 ### Fact 188 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-187) Talbot Deposit · silver #### Identity - Project: Talbot Deposit - Commodity: silver - Ticker: HBM #### Resource Data - Grade: 18.4 - Grade Unit: g/t #### Location - Easting: 458322 - Northing: 5997184 - Loc. Confidence: high #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver as a byproduct enhances the value of this copper intercept at Talbot. - Positive factor: Good silver grade as a byproduct - Positive factor: Good true width Evidence · table > 18.4 Context: 7.8 ### Fact 189 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-188) Talbot Deposit · zinc #### Identity - Project: Talbot Deposit - Commodity: zinc - Ticker: HBM #### Resource Data - Grade: 0.3 - Grade Unit: % #### Location - Easting: 458322 - Northing: 5997184 - Loc. Confidence: high #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Zinc as a byproduct contributes to the overall polymetallic nature of this intercept at Talbot. - Positive factor: Zinc as a valuable byproduct - Positive factor: Good true width Evidence · table > 0.3 Context: 7.8 ### Fact 190 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-189) Talbot Deposit · copper #### Identity - Project: Talbot Deposit - Commodity: copper - Ticker: HBM #### Resource Data - Grade: 1.4 - Grade Unit: % #### Location - Easting: 458241 - Northing: 5997008 - Loc. Confidence: high #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: This intercept shows good copper grade over a significant true width, indicating strong mineralization and potential for resource expansion at the Talbot VMS deposit. - Positive factor: Good copper grade - Positive factor: Significant true width - Positive factor: True width disclosed - Positive factor: Part of resource expansion drilling Evidence · table > 1.4 Context: 18.8 ### Fact 191 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-190) Talbot Deposit · gold #### Identity - Project: Talbot Deposit - Commodity: gold - Ticker: HBM #### Resource Data - Grade: 0.8 - Grade Unit: g/t #### Location - Easting: 458241 - Northing: 5997008 - Loc. Confidence: high #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Gold as a byproduct contributes to the overall value of this copper intercept at Talbot. - Positive factor: Good gold grade as a byproduct - Positive factor: Significant true width Evidence · table > 0.8 Context: 18.8 ### Fact 192 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-191) Talbot Deposit · silver #### Identity - Project: Talbot Deposit - Commodity: silver - Ticker: HBM #### Resource Data - Grade: 18.9 - Grade Unit: g/t #### Location - Easting: 458241 - Northing: 5997008 - Loc. Confidence: high #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Silver as a byproduct enhances the value of this copper intercept at Talbot. - Positive factor: Good silver grade as a byproduct - Positive factor: Significant true width Evidence · table > 18.9 Context: 18.8 ### Fact 193 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-192) Talbot Deposit · zinc #### Identity - Project: Talbot Deposit - Commodity: zinc - Ticker: HBM #### Resource Data - Grade: 1.3 - Grade Unit: % #### Location - Easting: 458241 - Northing: 5997008 - Loc. Confidence: high #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: Zinc as a byproduct contributes to the overall polymetallic nature of this intercept at Talbot. - Positive factor: Good zinc grade as a byproduct - Positive factor: Significant true width Evidence · table > 1.3 Context: 18.8 ### Fact 194 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-193) Peru · copper #### Identity - Project: Peru - Commodity: copper - Ticker: HBM #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: The 2026 copper production guidance for Peru is affirmed, indicating stable operations. - Positive factor: Affirmed production guidance Evidence · table > 75,000 - 90,000 Context: Copper ### Fact 195 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-194) Peru · gold #### Identity - Project: Peru - Commodity: gold - Ticker: HBM #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: The 2026 gold production guidance for Peru is affirmed, but is lower than 2025 due to the depletion of the high-grade Pampacancha deposit. - Positive factor: Affirmed production guidance - Negative factor: Lower than 2025 levels due to Pampacancha depletion Evidence · table > 15,000 - 20,000 Context: Gold ### Fact 196 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-195) Peru · silver #### Identity - Project: Peru - Commodity: silver - Ticker: HBM #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: The 2026 silver production guidance for Peru is affirmed, indicating stable byproduct production. - Positive factor: Affirmed production guidance Evidence · table > 1,900,000 - 2,400,000 Context: Silver ### Fact 197 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-196) Peru · molybdenum #### Identity - Project: Peru - Commodity: molybdenum - Ticker: HBM #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: The 2026 molybdenum production guidance for Peru is affirmed, indicating stable byproduct production. - Positive factor: Affirmed production guidance Evidence · table > 900 - 1,100 Context: Molybdenum ### Fact 198 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-197) Manitoba · gold #### Identity - Project: Manitoba - Commodity: gold - Ticker: HBM #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: The 2026 gold production guidance for Manitoba is affirmed as strong, contributing significantly to overall gold production. - Positive factor: Affirmed strong gold production guidance Evidence · table > 180,000 - 220,000 Context: Gold ### Fact 199 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-198) Manitoba · zinc #### Identity - Project: Manitoba - Commodity: zinc - Ticker: HBM #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: The 2026 zinc production guidance for Manitoba is affirmed, indicating stable byproduct production. - Positive factor: Affirmed production guidance Evidence · table > 16,000 - 21,000 Context: Zinc ### Fact 200 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-199) Manitoba · copper #### Identity - Project: Manitoba - Commodity: copper - Ticker: HBM #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: The 2026 copper production guidance for Manitoba is affirmed, indicating stable byproduct production. - Positive factor: Affirmed production guidance Evidence · table > 10,000 - 13,000 Context: Copper ### Fact 201 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-200) Manitoba · silver #### Identity - Project: Manitoba - Commodity: silver - Ticker: HBM #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: The 2026 silver production guidance for Manitoba is affirmed, indicating stable byproduct production. - Positive factor: Affirmed production guidance Evidence · table > 800,000 - 1,000,000 Context: Silver ### Fact 202 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-201) British Columbia · copper #### Identity - Project: British Columbia - Commodity: copper - Ticker: HBM #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: The 2026 copper production guidance for British Columbia is affirmed, with an expected ramp-up in the second half of the year. - Positive factor: Affirmed production guidance - Positive factor: Expected ramp-up in H2 2026 Evidence · table > 25,000 - 35,000 Context: Copper ### Fact 203 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-202) British Columbia · gold #### Identity - Project: British Columbia - Commodity: gold - Ticker: HBM #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: The 2026 gold production guidance for British Columbia is affirmed, indicating stable byproduct production. - Positive factor: Affirmed production guidance Evidence · table > 22,000 - 32,000 Context: Gold ### Fact 204 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-203) British Columbia · silver #### Identity - Project: British Columbia - Commodity: silver - Ticker: HBM #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: The 2026 silver production guidance for British Columbia is affirmed, indicating stable byproduct production. - Positive factor: Affirmed production guidance Evidence · table > 200,000 - 290,000 Context: Silver ### Fact 205 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-204) Peru · copper #### Identity - Project: Peru - Commodity: copper - Ticker: HBM #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: The 2027 copper production guidance for Peru shows an increase, reflecting benefits from mill optimization projects. - Positive factor: Increased production guidance - Positive factor: Benefits from mill throughput improvements Evidence · table > 80,000 - 100,000 Context: Copper ### Fact 206 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-205) Peru · gold #### Identity - Project: Peru - Commodity: gold - Ticker: HBM #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: The 2027 gold production guidance for Peru shows an increase, indicating improved byproduct production. - Positive factor: Increased production guidance Evidence · table > 17,000 - 21,000 Context: Gold ### Fact 207 [Link to this fact](https://atlas-staging.minestarters.com/news/hudbay-provides-annual-reserve-and-resource-update-with-mine-life-extensions-and--630e5613-ad2f-40f8-b524-0a36c20e1bbb#fact-resource-facts-206) Peru · silver #### Identity - Project: Peru - Commodity: silver - Ticker: HBM #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-03-27T00:00:00.000Z Reasoning: The 2027 silver production guidance for Peru is lower than 2026, indicating a temporary dip in byproduct production. - Negative factor: Lower production guidance compared to 2026 Evidence · table > 1,200,000 - 1,400,000 Context: Silver ## 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.