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TSX, NYSE – HBM 2025 No. 14 Hudbay Delivers Strong First Quarter 2025 Results Driven by Gold Production and Record Cost Performance

Financials

TSX, NYSE – HBM

2025 No. 14

Hudbay Delivers Strong First Quarter 2025 Results Driven by Gold Production and

Record Cost Performance

Toronto, Ontario, May 12, 2025 – Hudbay Minerals Inc. (“Hudbay” or the “Company”) (TSX, NYSE: HBM) today

released its first quarter 2025 financial results. All amounts are in U.S. dollars, unless otherwise noted.

"Our strong results in the first quarter reflect stable copper production and complementary gold production from our

enhanced operating platform, which continued to deliver significant free cash flows and industry-leading margins,” said

Peter Kukielski, President and Chief Executive Officer. “We are well-positioned to deliver our full year 2025 consolidated

production and cost guidance with the operations delivering in line copper production, better-than-expected gold

production and effective cost control in the first quarter . We continue to benefit from steady mill throughput in Peru,

higher grades and mill throughput in Manitoba and ongoing optimization efforts in British Columbia. This resulted in

record adjusted EBITDA and record low cash cost performance in the quarter. We made significant progress in

advancing our growth strategy as we consolidated ownership at Copper Mountain to increase our exposure to a high-

quality asset in a tier-1 jurisdiction. We are also now fully permitted at Copper World to increase our long-term copper

production by more than 50%. We will continue to reinvest in our attractive portfolio of high-return brownfield and

greenfield growth opportunities to further enhance our copper and gold exposure and unlock significant value for all our

stakeholders.”

Achieved Record Adjusted EBITDA Driven by Strong Gold Production, Stable Copper Production and Industry-

leading Margins; 2025 Production and Cost Guidance Reaffirmed

• Achieved revenue of $594.9 million and record quarterly adjusted EBITDAi of $287.2 million in the first quarter

of 2025.

• Strong financial results were driven by record low consolidated cash cost performance as all three business

units expanded operating cost margins and executed on planned strategies.

• Consolidated copper production of 30,958 tonnes in the first quarter was in line with quarterly cadence

expectations. Consolidated gold production of 73,784 ounces was better than quarterly cadence expectations

driven by outperformance in Manitoba.

• Industry-leading cost performance continues with record low consolidated cash costi and sustaining cash costi

per pound of copper produced, net of by-product credits, of $(0.45) and $0.72, respectively, in the quarter.

• Reaffirmed full year 2025 consolidated production guidance of 117,000 to 149,000 tonnes of copper and

247,500 to 308,000 ounces of gold. Reaffirmed all 2025 cost guidance, including consolidated cash cost i

guidance of $0.80 to $1.00 per pound of copper and sustaining cash cost i guidance of $2.25 to $2.65 per

pound of copper.

• Peru operations continued to benefit from strong and consistent mill throughput, achieving an average of

approximately 90,200 tonnes per day in the first quarter. Copper production of 20,293 tonnes and gold

production of 7,869 ounces was in line with quarterly cadence expectations. Peru cash cost i per pound of

copper produced, net of by -product credits, of $1.11 was better than expected as the Peru operations

demonstrated strong cost control and benefited from higher by-product prices.

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2025 No. 14

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• Manitoba operations produced 60,354 ounces of gold in the first quarter, exceeding quarterly cadence

expectations as a result of better -than-expected gold grades and recoveries. Manitoba cash cost i per ounce

of gold produced, net of by-product credits, was $376 during the quarter, a significant decrease compared to

prior quarters and continuing to achieve industry-leading cost performance.

• British Columbia operations produced 7,196 tonnes of copper at a cash cost i per pound of copper produced,

net of by-product credits, of $2.44 in the first quarter, in line with quarterly cadence expectations.

• First quarter net earnings attributable to owners and earnings per share attributable to owners were $100.4

million and $0.25, respectively, a significant increase compared to the first and fourth quarter of 2024, driven

by high gross margins with strong revenue and unit cost control . After adjusting for various non -cash items,

first quarter adjusted earningsi per share attributable to owners was $0.24.

• Cash and cash equivalents and short -term investments were $582.6 million and total liquidity was $1,008.5

million at the end of the first quarter of 2025.

• Net debt to adjusted EBITDA ratioi was 0.6x in the first quarter of 2025, in line with the fourth quarter of 2024

and significantly improved from 1.3x in the first quarter of 2024 because of successful deleveraging efforts

throughout 2024.

Meaningful Gold Exposure and Steady Copper Performance Driving Continued Free Cash Flow Generation

• Hudbay's unique copper and gold diversification in Peru and Canada provides exposure to higher copper and

gold prices and attractive free cash flowvii generation.

• While the majority of revenues continue to be derived from copper production, gold represented a higher

portion of total revenues at 38% in the first quarter of 2025 compared to 35% in the fourth quarter of 2024,

which was driven by high gold production in Manitoba and exposure to higher gold prices.

• Delivered the seventh consecutive quarter of meaningful free cash flow vii generation as a result of continued

strong copper and gold production and effective cost control across all business units.

• Achieved record adjusted EBITDAi of $287.2 million in the first quarter of 2025, representing a 12% increase

from the fourth quarter of 2024 and a 34% increase from the first quarter 2024.

• Over the last twelve months, generated more than $350 million in free cash flow vii and $895.7 million in

adjusted EBITDAi.

• Significant exposure to higher copper and gold prices with a $100 million increase to operating cash flow for

every 10% increase in annual copper price and a $56 million increase in operating cash flow for every 10%

increase in annual gold price, using the mid-point of 2025 guidance rangesii.

Reinvesting in High-return Growth Initiatives to Further Enhance Copper and Gold Exposure

• Advancing high-return brownfield mill initiatives and greenfield copper projects to drive near-term and long-

term production growth with $25.5 million in growth capital expenditures during the first quarter of 2025.

• Consolidated copper production is expected to average 144,000 iii tonnes per year over the next three years,

maintaining stable production levels from 2024. Consolidated copper production of 161,000 iii tonnes is

expected in 2027, representing a 17% increase from 2024 and reflects the benefits from the completion of the

optimization efforts at Copper Mountain.

• Strong complementary gold exposure with consolidated gold production expected to average 253,000 iii

ounces per year over the next three years, reflecting continued strong production in Manitoba.

• Following quarter -end, completed transaction with MMC to c onsolidate 100% ownership of the Copper

Mountain mine in a highly accretive transaction to further increase Hudbay's exposure to a long- life, high-

quality copper asset in a tier -1 mining jurisdiction, resulting in a 200% increase in attributable copper

production from Copper Mountain in 2027 compared to 2024.

• Advancing feasibility studies and minority joint venture partner process for Copper World. Copper World is the

highest grade and lowest capital intensity fully permitted copper project in the Americas.

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2025 No. 14

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• Optimization efforts at Copper Mountain are focused on executing the planned accelerated stripping program

and mill throughput improvement projects, including the planned conversion of the third ball mill to a second

SAG mill in the second half of 2025.

• Drill permitting for highly prospective Maria Reyna and Caballito properties near Constancia continues to

advance through the multi-step regulatory process.

• Achieved significant progress with the development of the drifts towards the 1901 deposit in Snow Lake where

a recent exploration drill hole intersected zinc-rich massive sulphides 20 metres earlier than anticipated, and

planned first ore remains on track for the second quarter of 2025. Exploration and definition drilling planned

over the next two years.

• Large exploration program in Snow Lake continues to execute threefold strategy focused on near -mine

exploration to increase near -term production and mineral reserves, testing regional satellite deposits for

additional ore feed to utilize available capacity at the Stall mill, and exploring the large land package for a

potential new anchor deposit to meaningfully extend mine life.

• Signed exploration agreement with the Mosakahiken Cree Nation related to the Talbot copper -zinc-gold

deposit near Snow Lake, representing the second First Nations exploration agreement that Hudbay has

entered into this year as the Company continues to build positive relationships and advance shared

opportunities with local First Nations communities.

• Enhancing stakeholder engagement and advancing additional metallurgical studies at the Mason copper

project in Nevada.

• Continuing to advance Flin Flon tailings reprocessing opportunities through metallurgical test work and

economic evaluation to assess the possibility of producing critical minerals and precious metals in an

environmentally friendly manner.

Summary of First Quarter Results

Consolidated copper production of 30,958 tonnes in the first quarter of 2025 was in line with quarterly production

cadence expectations, while consolidated gold production of 73,784 ounces was better than quarterly production

cadence expectations. Consolidated copper and gold production was lower than the fourth quarter of 2024 due to lower

planned grades in Peru as Hudbay is completing the final stripping phase in the high-grade Pampacancha pit, partially

offset by higher gold production in Manitoba from better -than-expected gold grades. Consolidated silver production of

919,775 ounces and zinc production of 6,265 tonnes in the first quarter of 2025 were lower than the fourth quarter of

2024 primarily due to lower grades in Peru as the Company completed planned stripping activities.

Cash generated from operating activities of $124.8 million decreased compared to the fourth quarter of 2024 as a result

of higher cash taxes paid which are a function of higher profits in earlier quarters in Peru and Manitoba. Operating cash

flow before change in non-cash working capital was $163.5 million during the first quarter of 2025, reflecting a decrease

of $68 million compared to the fourth quarter of 2024. The decrease was primarily the result of lower gold and copper

sales volumes in Peru as expected.

First quarter adjusted EBITDAi was $287.2 million, a 12% increase compared to $257.3 million in the fourth quarter of

2024 as exposure to higher copper and gold prices in the quarter offset the lower sales volume.

Net earnings attributable to owners in the first quarter of 2025 was $100.4 million, or $0.25 per share, compared to

$21.2 million, or $0.05 per share, in the fourth quarter of 2024. The significant increase in earnings is the result of high

gross margins from strong revenue growth on the back of higher realized copper and gold prices and strong unit cost

control. In addition to higher mining and income tax expense experienced in the first quarter of 2025, the quarter was

also impacted by various non-cash charges for revaluation loss of closed sites reclamation provisions, mark-to-market

revaluation gain on various instruments, and foreign exchange gain, among other items.

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2025 No. 14

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Adjusted net earnings attributable to owners i and adjusted net earnings per share attributable to owners i in the first

quarter of 2025 were $93.8 million and $0.24 per share, respectively, after adjusting for various non-cash items on a

pre-tax basis such as a non -cash loss of $12.8 million related to quarterly revaluation of Hudbay's closed site

environmental reclamation provision, a $10.5 million variable consideration adjustment gain associated with the stream

revenue and accretion, a $3.1 million mark -to-market revaluation gain on various instruments such as unrealized

strategic copper hedges, investments and share-based compensation, a non-cash $3.1 million foreign exchange gain,

and a $1.9 million gain related to flow-through share expenditures, among other items. This compares to adjusted net

earnings attributable to ownersi and net earnings per share attributable to ownersi of $70.3 million and $0.18 per share

in the fourth quarter of 2024. The sharp increase in adjusted net earnings attributable to owners i and adjusted net

earnings per share attributable to ownersi is for the same reasons discussed above for net earnings.

In the first quarter of 2025, consolidated cash costi per pound of copper produced, net of by-product credits, achieved

record low levels of $(0.45), compared to $0.45 in the fourth quarter of 2024. This improvement was a result of higher

by-product credits and strong operating cost performance across all business units , partially offset by expected lower

production levels in Peru during the quarter. Consolidated sustaining cash costi per pound of copper produced, net of

by-product credits, was a record low at $0.72 in the first quarter of 2025, compared to $1.37 in the fourth quarter of

2024. The improvement was driven by the same factors impacting consolidated cash cost and slightly lower sustaining

capital expenditures in the first quarter. Consolidated all-in sustaining cash costi per pound of copper produced, net of

by-product credits, was $0.97 in the first quarter of 2025, lower than $1.53 in the fourth quarter of 2024 mainly due to

the same reason outlined above.

As at March 31, 2025, total liquidity was $1,008.5 million, including $562.6 million in cash and cash equivalents, $20.0

million in short-term investments as well as undrawn availability of $425.9 million under the Company's revolving credit

facilities. Net debti at the end of the first quarter was $526.1 million and remained consistent with the fourth quarter of

2024.

1 Net debt and net debit to adjusted EBITDA are non-GAAP financial performance measures with no standardized definition under

IFRS. For further information, please see the "Non-GAAP Financial Performance Measures" section of this news release.

2 Working capital is determined as total current assets less total current liabilities as defined under IFRS and disclosed on the

consolidated financial statements.

3 Net debt to adjusted EBITDA for the 12 month period.

Consolidated Financial Condition

(in $ millions, except net debt to adjusted EBITDA ratio) Mar. 31, 2025 Dec. 31, 2024 Mar. 31, 2024

Cash and cash equivalents and short-term investments 582.6 581.8 284.4

Total long-term debt 1,108.7 1,107.5 1,278.6

Net debt1 526.1 525.7 994.2

Working capital2 598.0 511.3 200.9

Total assets 5,507.0 5,487.6 5,231.3

Equity attributable to owners of the Company 2,653.2 2,553.2 2,107.5

Net debt to adjusted EBITDA1,3 0.6 0.6 1.3

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2025 No. 14

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Consolidated Financial Performance Three Months Ended

Mar. 31, 2025 Dec. 31, 2024 Mar. 31, 2024

Revenue $000s 594.9 584.9 525.0

Cost of sales $000s 363.6 400.5 373.0

Earnings before tax $000s 171.3 103.7 67.8

Net earnings $000s 99.2 19.3 18.5

Net earnings attributable to owners $000s 100.4 21.2 22.3

Basic and diluted attributable earnings per

share1

$/share 0.25 0.05 0.06

Adjusted earnings attributable per share1 $/share 0.24 0.18 0.17

Operating cash flow before change in non-

cash working capital

$ millions 163.5 231.5 147.5

Adjusted EBITDA1 $ millions 287.2 257.3 215.0

1 Adjusted earnings per share - attributable to owners and adjusted EBITDA are non-GAAP financial performance measures with no

standardized definition under IFRS. For further information and a detailed reconciliation, please see discussion under the “Non-GAAP

Financial Performance Measures” section of this news release.

Consolidated Production and Cost Performance Three Months Ended

Mar. 31, 2025 Dec. 31, 2024 Mar. 31, 2024

Contained metal in concentrate and doré produced1

Copper tonnes 30,958 43,262 34,749

Gold ounces 73,784 94,161 90,392

Silver ounces 919,775 1,311,658 947,917

Zinc tonnes 6,265 8,385 8,798

Molybdenum tonnes 397 195 397

Payable metal sold

Copper tonnes 31,768 37,927 33,608

Gold2 ounces 75,092 92,734 108,081

Silver2 ounces 1,006,968 1,150,518 1,068,848

Zinc tonnes 4,857 5,261 6,119

Molybdenum tonnes 448 182 415

Consolidated cash cost per pound of copper produced3

Cash cost $/lb (0.45) 0.45 0.16

Sustaining cash cost $/lb 0.72 1.37 1.00

All-in sustaining cash cost $/lb 0.97 1.53 1.29

1 Metal reported in concentrate is prior to deductions associated with smelter contract terms.

2 Includes total payable gold and silver in concentrate and in doré sold.

3 Cash cost, sustaining cash cost and all-in sustaining cash cost per pound of copper produced, net of by-product credits, are non-IFRS

financial performance measures with no standardized definition under IFRS. For further information, please see the “Non-IFRS

Financial Performance Measures” section of this news release.

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2025 No. 14

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Peru Operations Review

Peru Operations Three Months Ended

Mar. 31, 2025 Dec. 31, 2024 Mar. 31, 2024

Constancia ore mined1 tonnes 8,628,279 4,186,058 2,559,547

Copper % 0.28 0.40 0.31

Gold g/tonne 0.03 0.04 0.04

Silver g/tonne 3.14 3.88 2.79

Molybdenum % 0.02 0.02 0.01

Pampacancha ore mined1 tonnes 389,189 4,037,264 2,214,354

Copper % 0.44 0.63 0.56

Gold g/tonne 0.26 0.38 0.32

Silver g/tonne 3.68 6.43 4.64

Molybdenum % 0.01 0.00 0.02

Total ore mined tonnes 9,017,468 8,223,322 4,773,901

Strip ratio4 1.02 1.22 1.95

Ore milled tonnes 8,114,024 7,999,453 8,077,962

Copper % 0.30 0.48 0.36

Gold g/tonne 0.05 0.20 0.15

Silver g/tonne 3.22 5.28 3.48

Molybdenum % 0.01 0.01 0.01

Copper recovery % 84.6 87.8 84.9

Gold recovery % 56.5 73.3 73.4

Silver recovery % 66.0 71.4 70.7

Molybdenum recovery % 35.7 37.1 43.2

Contained metal in concentrate

Copper tonnes 20,293 33,988 24,576

Gold ounces 7,869 38,079 29,144

Silver ounces 554,692 969,502 639,718

Molybdenum tonnes 397 195 397

Payable metal sold

Copper tonnes 22,890 28,775 23,754

Gold ounces 14,362 37,459 42,677

Silver ounces 714,654 824,613 753,707

Molybdenum tonnes 448 182 415

Combined unit operating cost2,3 $/tonne 11.09 15.25 10.92

Cash cost3 $/lb 1.11 1.00 0.43

Sustaining cash cost3 $/lb 1.92 1.48 1.02

1 Reported tonnes and grade for ore mined are estimates based on mine plan assumptions and may not reconcile fully to ore milled.

2 Reflects combined mine, mill and general and administrative ("G&A") costs per tonne of ore milled. Reflects the deduction of

expected capitalized stripping costs.

3 Combined unit costs, cash cost and sustaining cash cost per pound of copper produced, net of by-product credits, are non-IFRS

financial performance measures with no standardized definition under IFRS. For further information, please see the “Non-IFRS

Financial Performance Measures” section of this news release.

4 Strip ratio is calculated as waste mined divided by ore mined.

During the first quarter of 2025, the Peru operations produced 20,293 tonnes of copper, 7,869 ounces of gold, 554,692

ounces of silver and 397 tonnes of molybdenum, in line with mine plan quarterly cadence expectations. Production of

copper, gold and silver in the first quarter of 2025 was lower than the fourth quarter of 2024 due to planned lower grades

as a larger portion of lower grade Constancia ore was processed in the current quarter. Hudbay is on track to achieve

its 2025 production guidance for all metals in Peru.

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2025 No. 14

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Copper production was in line with mine plan expectations as the final phase of planned stripping at the Pampacancha

deposit was underway during the first quarter of 2025. This resulted in planned lower head grades to the mill as

Constancia ore represented a majority of the ore feed during the first quarter of 2025. Peru operations continued to

benefit from strong and consistent mill throughput in 2025, averaging approximately 90,200 tonnes processed per day

in the first quarter of 2025, partially offsetting the planned lower head grades. The operations continued to deliver strong

cost control, resulting in lower combined unit cost compared to the fourth quarter of 2024.

Total ore mined in the first quarter of 2025 increased by 10% compared to the fourth quarter of 2024. Ore mined from

Pampacancha during the first quarter of 2025 decreased to 0.4 million tonnes, as Hudbay is performing the final

stripping phase in the Pampacancha pit prior to depletion in late 2025. Ore mined from Constancia significantly

increased during the first quarter of 2025 compared to recent quarters, in line with mine plan expectations.

Milled copper and gold grades decreased by 38 % and 75%, respectively, in the first quarter of 2025 compared to the

fourth quarter of 2024, in line with the mine plan due to planned lower ore feed from Pampacancha. The Constancia

mill achieved copper recoveries of 85% in the first quarter of 2025, lower than the fourth quarter of 2024 due to planned

lower grades. Recoveries of gold and silver during the first quarter of 2025 were 57% and 66%, respectively, remaining

in line with Hudbay's metallurgical models for the ore types that were being processed.

Combined mine, mill and G&A unit operating cost i in the first quarter of 2025 was $11.09 per tonne, 27% lower than

the fourth quarter of 2024 due to a planned semi -annual mill maintenance shutdown in the fourth quarter and lower

overall onsite costs.

Cash costi per pound of copper produced, net of by-product credits, in the first quarter of 2025 was $1.11, outperforming

quarterly cadence expectations as a result of strong operating cost performances and higher by -product prices. Cash

costi per pound of copper produced, net of by-product credits was higher than the fourth quarter of 2024 due to planned

lower copper production and gold by -product credits, partially offset by lower treatment, refining and freight charges.

Cash costi for the quarter outperformed the low -end of the 2025 guidance range, and Hudbay is well positioned to

achieve the full year 2025 cash cost guidance range in Peru.

Sustaining cash costi per pound of copper produced, net of by -product credits, was $1.92 in the first quarter of 2025,

an increase compared to the fourth quarter of 2024 primarily due to the same factors described above for the cash cost

variance.

The Company continues to evaluate opportunities to further increase mill throughput after the Peruvian Ministry of

Energy and Mines approved a regulatory change in 2024 to allow mining companies in Peru to increase throughput by

up to 10% above permitted levels. Hudbay is advancing engineering studies for the construction of a pebble crusher at

Constancia commencing in late 2025, which is expected to further increase throughput levels starting in the second

half of 2026.

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2025 No. 14

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Manitoba Operations Review

Manitoba Operations Three Months Ended

Mar. 31, 2025 Dec. 31, 2024 Mar. 31, 2024

Lalor

Ore mined tonnes 384,234 422,454 407,708

Gold g/tonne 5.46 4.61 4.84

Copper % 0.95 0.95 0.84

Zinc % 2.42 2.95 2.92

Silver g/tonne 31.23 31.91 23.44

New Britannia

Ore milled tonnes 189,124 185,592 170,409

Gold g/tonne 7.37 5.99 7.03

Copper % 1.18 1.17 1.13

Zinc % 1.00 1.08 0.82

Silver g/tonne 33.35 33.97 21.60

Gold recovery1 % 90.3 90.2 88.6

Copper recovery % 90.3 91.3 96.2

Silver recovery1 % 81.6 79.6 82.0

Stall Concentrator

Ore milled tonnes 215,286 222,004 219,358

Gold g/tonne 3.86 3.36 3.07

Copper % 0.76 0.73 0.64

Zinc % 3.44 4.62 4.54

Silver g/tonne 29.53 29.90 24.46

Gold recovery % 70.1 69.6 68.0

Copper recovery % 88.3 84.4 91.7

Zinc recovery % 84.7 81.7 88.4

Silver recovery % 58.7 55.1 59.8

Total contained metal in concentrate and doré2

Gold ounces 60,354 51,438 56,831

Copper tonnes 3,469 3,347 3,149

Zinc tonnes 6,265 8,385 8,798

Silver ounces 285,603 283,223 219,823

Total payable metal sold

Gold ounces 55,765 50,239 62,003

Copper tonnes 2,725 3,321 2,921

Zinc tonnes 4,857 5,261 6,119

Silver ounces 232,255 282,158 231,841

Combined unit operating cost3,4 C$/tonne 214 233 235

Gold cash cost3 $/oz 376 607 736

Gold sustaining cash cost3 $/oz 626 908 950

1 Gold and silver recovery includes total recovery from concentrate and doré.

2 Metal reported in concentrate is prior to deductions associated with smelter terms.

3 Combined unit cost, cash cost, sustaining cash cost per pound of copper produced, net of by -product credits, gold cash cost and

sustaining cash cost per ounce of gold produced, net of by -product credits, are non-GAAP financial performance measures with no

standardized definition under IFRS. For further information, please see the “Non-GAAP Financial Performance Measures” section of

this news release.

4 Reflects combined mine, mill and G&A costs per tonne of ore milled.