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Alamos Gold Reports First Quarter 2025 Results

Financials

Alamos Gold Inc.

Brookfield Place, 181 Bay Street, Suite 3910, P .O. Box #823

Toronto, Ontario M5J 2T3

Telephone: (416) 368-9932 or 1 (866) 788-8801

All amounts are in United States dollars, unless otherwise stated.

Alamos Gold Reports First Quarter 2025 Results

Toronto, Ontario (April 30, 2025) - Alamos Gold Inc. (TSX:AGI; NYSE:AGI) (“Alamos” or the “Company”) today

reported its financial results for the quarter ended March 31, 2025.

“We produced 125,000 ounces in the first quarter, meeting the low end of quarterly guidance with a solid

performance from Island Gold offset by a slower ramp up of the Magino mill, as well as lower production from

Young-Davidson. Both operations have demonstrated a significant improvement in April and we expect this to

contribute to stronger production and lower costs in the second quarter. With a further increase in production and

decrease in costs expected in the second half of the year, we remain on track to achieve our full year production

guidance,” said John A. McCluskey, President and Chief Executive Officer.

“We expect this improvement to continue over the next several years through our portfolio of high -return, low-cost

growth projects. The Phase 3+ Expansion continues to track well for completion in 2026, and with construction

activities ramping up on Lynn Lake and PDA this year, we expect steady growth over the next several years towards

a run rate of 900,000 ounces per year. Longer -term, we see excellent potential to grow production to one million

ounces per year through a further expansion of the Island Gold District. Nearly all of this growth is in Canada, it’s all

lower cost, and it’s all fully funded providing one of the strongest outlooks in our sector,” Mr. McCluskey added.

First Quarter 2025 Operational and Financial Highlights

• Produced 125,000 ounces of gold, consistent with the low end of the range of quarterly guidance with a solid

quarter at Island Gold offsetting lower production from Young -Davidson and Magino. With stronger production

expected in the second quarter and through the remainder of the year, the Company remains on track to

achieve full year production guidance

• Sold 117,583 ounces of gold at an average realized price of $2,802 per ounce, generating quarterly revenues of

$333 million. Ounces sold were 6% lower than production in the quarter due to timing, with the sale of these

ounces to benefit future quarters. The average realized gold price was below the London PM Fix price,

reflecting the delivery of 12,346 ounces into the gold prepayment facility executed in July 2024 based on the

prepaid price of $2,524 per ounce

• Total cash costs1 of $1,193 per ounce and all-in sustaining costs ("AISC" 1) of $1,805 per ounce were above the

top end of guidance for the first half of 2025, driven by higher share -based compensation costs and higher

costs per ounce at Young-Davidson and Magino. Given the 45% increase in the share price during the quarter,

the revaluation of previously issued share -based compensation increased AISC by approximately $230 per

ounce compared to guidance

• Total cash costs and AISC are expected to decrease significantly into the second quarter and through the

second half of the year

• Cost of sales were $195.2 million or $1,660 per ounce

• Cash flow from operating activities totaled $ 79.6 million (including $131.4 million before changes in working

capital and taxes paid 1, or $0.31 per share). Free cash flow was negative $20.1 million and was impacted by

$52.8 million of cash taxes primarily related to 2024 year -end mining and income taxes, settlement of 25% of

the gold prepayment obligation , and annual share -based compensation payments. The Company expects

stronger free cash flow through the remainder of the year reflecting higher production, lower costs , and lower

cash tax payments

• Adjusted net earnings 1 were $59.8 million, or $0.14 per share. Adjusted net earnings includes adjustments for

unrealized losses on commodity hedge derivatives, net of tax, of $ 46.3 million, adjustments for unrealized

foreign exchange gains recorded within deferred taxes and foreign exchange gain totaling $2.5 million, and

other adjustments of $0.8 million

TRADING SYMBOL: TSX:AGI NYSE:AGI

2 | Alamos Gold Inc

• Cash and cash equivalents were $289.5 million at March 31, 2025, down from $327.2 million at the end of 2024

due to timing of gold sales and the 2024 year -end cash tax payment, paid in the first quarter. The Company

remains in a net cash position with $250 million drawn on its credit facility (the "Facility"), and is well -positioned

to internally fund all its growth initiatives with strong ongoing free cash flow and $789.5 million of total liquidity

• Paid dividends of $10.4 million, or $0.025 per share for the quarter

• Announced a construction decision on the Lynn Lake project in January 2025 with initial production expected

during the first half of 2028. With average annual production of 176,000 ounces over its first ten years at first

quartile mine-site AISC, Lynn Lake is expected to increase consolidated production to approximately 900,000

ounces per year, and drive a further decrease in costs

• Entered into an Impact Benefit Agreement ("IBA") with Mathias Colomb Cree Nation ("MCCN"). Concurrently,

MCCN's application for judicial review of the positive Decision Statement issued by the Minist er of Environment

and Climate Change Canada in respect of the Lynn Lake Project and its corresponding internal appeal of the

Environment Act Licenses issued by the Province of Manitoba were both withdrawn by MCCN. The Company

now has IBA's in place with both of the First Nation communities proximate to the Lynn Lake Project

• Received approval of an amendment to the existing environmental impact assessment (Manifestación de

Impacto Ambiental “MIA") by Mexico’s Secretariat of Environment and Natural Resources (“SEMARNAT”) in

January 2025, allowing for the start of construction on the PDA project within the Mulatos District

• Reported year -end 2024 Mineral Reserves of 14.0 million ounces of gold (298 million tonnes ("mt")) grading

1.45 grams per tonne of gold (“g/t Au”), a 31% increase from 2023 reflecting the acquisition of Magino in 2024,

continued high-grade additions at Island Gold, and an initial Mineral Reserve at Burnt Timber and Linkwood.

This marked the sixth consecutive year Mineral Reserves have grown for a cumulative increase of 44%.

Additionally, Measured and Indicated Mineral Resources increased 50% to 6.6 million ounces, while Inferred

Mineral Resources decreased 2% to 7.1 million ounces

• Announced a binding agreement to sell the option to earn 100% interest in the non -core Quartz Mountain Gold

Project (“Quartz Mountain”), located in Oregon, to Q -Gold Resources Ltd. (TSXV:QGR) (“Q -Gold”) for total

consideration of up to $21 million and a 9.9% equity interest in Q -Gold in April 2025. The transaction is

expected to close in the second quarter of 2025

(1) Refer to the “Non -GAAP Measures and Additional GAAP Measures” disclosure at the end of this press release and associated MD&A for a description and

calculation of these measures.

TRADING SYMBOL: TSX:AGI NYSE:AGI

3 | Alamos Gold Inc

Highlight Summary

Three Months Ended March 31,

2025 2024

Financial Results (in millions)

Operating revenues $333.0 $277.6

Cost of sales (1) $195.2 $173.6

Earnings from operations $94.7 $81.4

Earnings before income taxes $25.7 $75.6

Net earnings $15.2 $42.1

Adjusted net earnings (2) $59.8 $51.2

Adjusted earnings before interest, taxes, depreciation and

amortization (2) $145.4 $127.2

Cash provided by operating activities before changes in working capital and taxes paid (2) $131.4 $135.4

Cash provided by operating activities $79.6 $109.4

Capital expenditures (sustaining) (2) $26.8 $26.5

Sustaining finance leases (3) $4.3 $—

Capital expenditures (growth) (2) $66.3 $51.6

Capital expenditures (capitalized exploration) $6.6 $6.4

Free cash flow (2)(3) ($20.1) $24.9

Operating Results

Gold production (ounces) 125,000 135,700

Gold sales (ounces) 117,583 132,849

Per Ounce Data

Average realized gold price (5) $2,802 $2,069

Average spot gold price (London PM Fix) $2,859 $2,070

Cost of sales per ounce of gold sold

(includes amortization) (1) $1,660 $1,307

Total cash costs per ounce of gold sold (2) $1,193 $910

All-in sustaining costs per ounce of gold sold (2) $1,805 $1,265

Share Data

Earnings per share, basic $0.04 $0.11

Earnings per share, diluted $0.04 $0.11

Adjusted earnings per share, basic (2) $0.14 $0.13

Weighted average common shares outstanding (basic) (000’s) 420,415 396,817

Financial Position (in millions)

Cash and cash equivalents (4) $289.5 $327.2

(1) Cost of sales includes mining and processing costs, royalties, and amortization expense.

(2) Refer to the “Non -GAAP Measures and Additional GAAP Measures” disclosure at the end of this press release and associated MD&A for a description and

calculation of these measures.

(3) Sustaining finance leases at Island Gold District are not included as additions to mineral property, plant and equipment in ca sh flows used in investing activities.

(4) Cash and cash equivalents in the comparatives reflect the balance as at December 31, 2024.

(5) Average realized gold price during the first quarter of 2025 included the delivery of ounces into the gold prepayment facility based on the prepaid price of $2,524

per ounce.

(6) Comparative prior year period figures do not include the Magino mine, as the acquisition of the Magino mine was completed on July 12, 2024.

TRADING SYMBOL: TSX:AGI NYSE:AGI

4 | Alamos Gold Inc

Three Months Ended March 31,

2025 2024

Gold production (ounces)

Island Gold District (7) 59,200 33,400

Young-Davidson 35,400 40,100

Mulatos District (8) 30,400 62,200

Gold sales (ounces)

Island Gold District (7) 53,388 34,130

Young-Davidson 35,475 39,810

Mulatos District (8) 28,720 58,909

Cost of sales (in millions) (1)

Island Gold District (7) $79.5 $33.4

Young-Davidson $65.1 $65.4

Mulatos District (8) $50.6 $74.8

Cost of sales per ounce of gold sold (includes amortization) (1)

Island Gold District (7) $1,489 $979

Young-Davidson $1,835 $1,643

Mulatos District (8) $1,762 $1,270

Total cash costs per ounce of gold sold (2)

Island Gold District (7) $1,068 $706

Young-Davidson $1,350 $1,188

Mulatos District (8) $1,233 $840

Mine-site all-in sustaining costs per ounce of gold sold (2)(3)

Island Gold District (7) $1,446 $1,105

Young-Davidson $1,655 $1,482

Mulatos District (8) $1,320 $905

Capital expenditures (sustaining, growth, and capitalized exploration) (in millions) (2)

Island Gold District (4)(7)(9) $72.3 $54.6

Young-Davidson (5) $18.8 $20.2

Mulatos District (6)(8) $4.0 $3.9

Other $8.9 $5.8

(1) Cost of sales includes mining and processing costs, royalties, and amortization expense.

(2) Refer to the “Non -GAAP Measures and Additional GAAP Measures” disclosure at the end of this press release and associated MD&A for a description and

calculation of these measures.

(3) For the purposes of calculating mine -site all -in sustaining costs, the Company does not include an allocation of corporate and administrative expense and

corporate share-based compensation expense.

(4) Includes capitalized exploration at Island Gold District of $ 3.9 million for the three months ended March 31, 2025 ($3.5 million for the three months ended March

31, 2024).

(5) Includes capitalized exploration at Young -Davidson of $2.0 million for the three months ended March 31, 2025 ($1.0 million for the three months ended March 31,

2024).

(6) Includes capitalized exploration at Mulatos District of $0.7 million for the three months ended March 31, 2025 ($1.9 million for the three months ended March 31,

2024).

(7) The Island Gold District includes Island Gold and Magino mines for the three months ended March 31, 2025. Comparative prior year period figures do not include

the Magino mine, as the acquisition of the Magino mine was completed on July 12, 2024.

(8) The Mulatos District includes Mulatos and La Yaqui Grande mines.

(9) Sustaining capital expenditures for Island Gold District include certain finance leases classified as sustaining.

TRADING SYMBOL: TSX:AGI NYSE:AGI

5 | Alamos Gold Inc

Environment, Social and Governance Summary Performance

Health and Safety

• Total recordable injury frequency rate 1 of 1.49 in the first quarter, a 34% decrease from 2.25 in the fourth

quarter of 2024

• Lost time injury frequency rate1 of 0.09 in the first quarter, consistent with the fourth quarter of 2024

• During the first quarter, Alamos had 17 recordable injuries across its sites and one lost time injury

Alamos strives to maintain a safe, healthy working environment for all, with a strong safety culture where everyone

is continually reminded of the importance of keeping themselves and their colleagues healthy and injury -free. The

Company’s overarching commitment is to have all employees and contractors return Home Safe Every Day.

Environment

• Zero significant environmental incidents and two minor reportable spills in the first quarter

• Continued reclamation activities at Mulatos for the Cerro Pelon, El Victor and San Carlos pits

Two minor reportable events occurred during the first quarter. At Young-Davidson, a minor spill of process water

occurred within the paste plant which was promptly contained and recovered, preventing it from entering the

surrounding environment. The second reportable incident involved a supplier's equipment malfunction during the

transfer of natural gas tanks. Both incidents were promptly reported to regulators.

The Company is committed to preserving the long -term health and viability of the natural environment that

surrounds its operations and projects. This includes investing in new initiatives to reduce the Company's

environmental footprint with the goal of minimizing the impacts of its activities.

Community

Ongoing donations, medical support and infrastructure investments were provided to local communities, including:

• Significant donations to support the needs of two hospitals in the Algoma region, including contributions for

the purchase of new medical imaging equipment. Additionally, donated CAD$66,000 to fund the acquisition

of an SCBA Filling Station for the Matachewan Fire Department

• Committed CAD$300,000 over three years to the Museum of Northern History in Kirkland Lake, Ontario, to

support its reopening and continued operation

• Delivered continuous health services to the local community near the Mulatos District, offering dental

services, medical consultations and essential medications to residents

The Company believes that excellence in sustainability provides a net benefit to all stakeholders. The Company

continues to engage with local communities to understand local challenges and priorities. Ongoing investments in

local infrastructure, health care, education, cultural and community programs remain a focus of the Company.

Governance and Disclosure

• Completed annual fieldwork and assurance of Alamos’ compliance with the World Gold Council’s

Responsible Gold Mining Principles ("RGMPs"). Alamos will publish its 2024 RGMP Report in the second

quarter of 2025

The Company maintains the highest standards of corporate governance to ensure that corporate decision -making

reflects its values, including the Company’s commitment to sustainable development.

(1) Frequency rate is calculated as incidents per 200,000 hours worked.

TRADING SYMBOL: TSX:AGI NYSE:AGI

6 | Alamos Gold Inc

Outlook and Strategy

2025 Guidance

Island Gold

District

Young-

Davidson

Mulatos

District Lynn Lake Total

Gold production (000's ounces) 275 - 300 175 - 190 130 - 140 — 580 - 630

Cost of sales, including amortization (in millions)(3) $805

Cost of sales, including amortization ($ per ounce)(3) $1,330

Total cash costs ($ per ounce)(1) $725 - $775 $1,075 - $1,125 $925 -$975 — $875- $925

All-in sustaining costs ($ per ounce)(1) $1,250 - $1,300

Mine-site all-in sustaining costs ($ per ounce)(1)(2) $1,100 - $1,150 $1,390 - $1,440 $1,025 - $1,075 —

Capital expenditures (in millions)

Sustaining capital(1) $80 - $85 $55 - $60 $3 - $5 — $138 - $150

Growth capital(1) $270 - $300 $15 - $20 $37 - $40 $100 - $120 $422- $480

Total Sustaining and Growth Capital (1) $350 - $385 $70 - $80 $40 - $45 $100 - $120 $560 - $630

Capitalized exploration(1) $20 $9 $6 $4 $39

Total capital expenditures and capitalized exploration(1) $370 - $405 $79 - $89 $46 - $51 $104 - $124 $599 - $699

(1) Refer to the "Non-GAAP Measures and Additional GAAP" disclosure at the end of this press release and associated MD&A for a description of these measures.

(2) For the purposes of calculating mine -site all -in sustaining costs at individual mine sites, the Company does not include an allocation of corporate and

administrative expense and corporate share-based compensation expenses to the mine sites.

(3) Cost of sales includes mining and processing costs, royalties, and amortization expense, and is calculated based on the mid -point of total cash cost guidance.

The Company’s objective is to operate a sustainable business model that supports growing returns to all

stakeholders over the long -term, through growing production, expanding margins, and increasing profitability. This

includes a balanced approach to capital allocation focused on generating strong ongoing free cash flow while re -

investing in high-return internal growth opportunities and supporting higher returns to shareholders.

In January 2025, the Company provided three -year production and operating guidance, which outlined growing

production at declining costs over the next three years. Refer to the Company’s guidance press release for a

summary of the key assumptions and related risks associated with the comprehensive 2025 guidance and three -

year production, cost and capital outlook. The Company's cost and capital guidance does not factor any potential

impact from tariffs introduced by the United States on imports from countries including Canada and Mexico or

potential retaliatory tariffs on imports from the United States. The Company does not expect its revenue structure

will be impacted by the tariffs as its gold production is refined in Canada or Europe. The Company’s cost structure

predominantly relates to input costs which are not expected to be directly affected by the tariffs, including labour and

contractors. The Company will continue to monitor developments and may take steps to limit the impact of any

tariffs as may be appropriate in the circumstances.

First quarter production of 125,000 ounces was in -line with the low end of quarterly guidance with a solid quarter

from Island Gold offsetting lower production from Young -Davidson and Magino. Following the implementation of a

number of optimization initiatives within the Magino mill during the second half of 2024, and early 2025, the

operation demonstrated significant improvements in the latter portion of the first quarter. This progress has

continued into the second quarter with milling rates averaging approximately 9,500 tonnes per day ("tpd") in the last

two weeks of April with further improvement expected in May.

Higher milling rates at Magino along with increased grades at Young -Davidson and La Yaqui Grande are expected

to drive stronger production in the second quarter of between 135,000 and 150,000 ounces. A more significant

increase in production is expected into the second half of 2025 driven by higher grades and mining rates at Island

Gold, and increasing grades at La Yaqui Grande. The Company remains on track to achieve annual production

guidance of between 580,000 and 630,000 ounces.

Reflecting the expected stronger performance moving forward, the Company expects AISC to decrease

approximately 20% in the second quarter, with further decreases the remainder of the year. The Company is

monitoring its full year cost guidance given higher share -based compensation and royalty costs compared to

guidance, which are impacted by factors outside of the Company's control. Excluding the impact of these variables,

the Company remains confident with its full year cost guidance.

TRADING SYMBOL: TSX:AGI NYSE:AGI

7 | Alamos Gold Inc

The Company's pipeline of high -return organic growth projects, including the Phase 3+ Expansion, Lynn Lake and

PDA all continue to advance supporting one of the strongest growth profiles in the sector. The Phase 3+ Expansion

remains on track to be completed during the first half of 2026, driving further production growth at lower costs in

2026. The shaft sink has advanced to a depth of 1,1 54 metres (“m”) as of late April and remains on track to reach

the ultimate planned depth of 1,373 m in the third quarter. The integration of the Magino and Island Gold operations

continues to progress with the transition to processing Island Gold ore through the larger and more efficient Magino

mill expected to be completed in early May 2025. This is expected to drive significant operating cost synergies

starting in the second quarter of 2025, with further improvements in 2026 upon completion of the Phase 3+

Expansion.

Production is expected to increase further to a range of 680,000 to 730,000 ounces in 2027, a 24% increase from

2024, at 8% lower AISC, driven by additional low -cost growth from Island Gold. A further increase in production and

decrease in costs is expected into 2028 with the startup of production from Lynn Lake. With average annual

production of 176,000 ounces over its first 10 years at first quartile mine -site AISC, Lynn Lake is expected to

increase consolidated production to approximately 900,000 ounces per year.

Longer-term, there is excellent potential to increase consolidated production to approximately one million ounces

per year through a further expansion of the Island Gold District. This is supported by the large Mineral Reserve and

Resource base at Island Gold and Magino, and significant ongoing growth in higher grade Mineral Reserves at

Island Gold. An expansion study is currently underway and is expected to be completed during the fourth quarter of

2025.

Capital spending in 2025 will be focused on the ramp up of construction activities at Lynn Lake and PDA, as well as

the final full year of spending at the Phase 3+ Expansion. Capital spending is expected to increase modestly into

2026 with lower capital at the Island Gold District offset by the ramp up in spending on Lynn Lake and PDA. In

2027, capital spending is expected to decrease 27% relative to 2026 driven by significantly lower capital at the

Island Gold District, and the completion of construction of PDA. A further decrease in capital is expected in 2028

with the completion of construction of Lynn Lake.

The global exploration budget for 2025 is $72 million, a 16% increase from $62 million spent in 2024, and the

largest in the Company's history reflecting broad based exploration success across its assets. The Company

continues to demonstrate its long -term track record of value creation through exploration with Global Mineral

Reserves increasing 31% in 2024 to 14.0 million ounces (298 mt grading 1.45 g/t Au). This reflected an initial

Mineral Reserve at Burnt Timber and Linkwood, tremendous ongoing exploration success at Island Gold, as well as

the addition of Magino. Mineral Reserves have now increased for six consecutive years for a cumulative increase of

44% over that time frame.

As previously guided, the Company's cash flow during 2025 will be impacted by the planned delivery of 49,384

ounces into the gold prepayment facility. The ounces will be delivered monthly in 2025 (4,115 ounces per month)

and recorded as revenue based on the prepaid price of $2,524 per ounce. There will be no cash flow associated

with the delivery of these ounces in 2025, with proceeds already received in 2024. The Company delivered 12,346

ounces in the first quarter, representing 25% of the gold prepayment facility.

The Company remains well positioned to fund its high -return growth projects internally with strong ongoing free

cash flow, $289.5 million of cash and cash equivalents at the end of the first quarter of 2025, and $789.5 million of

total liquidity. At current gold prices, the Company expects to generate strong free cash flow through the remainder

of 2025 while funding its growth projects, with a significant increase in free cash flow expected following the

completion of the Phase 3+ Expansion in 2026, PDA in 2027, and Lynn Lake in 2028.

TRADING SYMBOL: TSX:AGI NYSE:AGI

8 | Alamos Gold Inc

First Quarter 2025 Results

Island Gold District Financial and Operational Review

Three Months Ended March 31,

2025 2024

Gold production (ounces) 59,200 33,400

Gold sales (ounces) 53,388 34,130

Financial Review (in millions)

Operating Revenues $152.0 $71.0

Cost of sales (1) $79.5 $33.4

Earnings from operations $71.4 $36.9

Cash provided by operating activities $86.9 $40.9

Capital expenditures (sustaining) (2) $15.5 $13.5

Lease payments (sustaining) (2),(5) $4.3 $—

Capital expenditures (growth) (2) $48.6 $37.6

Capital expenditures (capitalized exploration) (2) $3.9 $3.5

Mine-site free cash flow (2),(5) $18.9 ($13.7)

Cost of sales, including amortization per ounce of gold sold (1) $1,489 $979

Total cash costs per ounce of gold sold (2) $1,068 $706

Mine-site all-in sustaining costs per ounce of gold sold (2),(3) $1,446 $1,105

Island Gold Mine

Underground Operations

Tonnes of ore mined 110,226 106,737

Tonnes of ore mined per day 1,225 1,173

Average grade of gold (4) 11.50 10.53

Metres ("m") developed 2,157 1,787

Mill Operations

Tonnes of ore processed 109,067 107,215

Tonnes of ore processed per day 1,212 1,178

Average grade of gold (4) 11.36 10.63

Contained ounces milled 39,838 36,651

Average recovery rate 98% 97%

Magino Mine

Open Pit Operations

Tonnes of ore mined - open pit (7) 1,064,870 —

Tonnes of ore mined per day 11,832 —

Total waste mined - open pit (8) 3,446,128 —

Total tonnes mined - open pit 4,510,998 —

Waste-to-ore ratio (8) 3.24 —

Average grade of gold (4) 0.77 —

Mill Operations

Tonnes of ore processed 651,153 —

Tonnes of ore processed per day 7,235 —

Average grade of gold processed (4) 0.86 —

Contained ounces milled 17,920 —

Average recovery rate 92% —

(1) Cost of sales includes mining and processing costs, royalties, and amortization.

(2) Refer to the “Non -GAAP Measures and Additional GAAP Measures” disclosure at the end of this press release and associated MD&A for a description and

calculation of these measures.

(3) For the purposes of calculating mine -site all -in sustaining costs, the Company does not include an allocation of corporate and administrative expense and

corporate share-based compensation expense.

(4) Grams per tonne of gold ("g/t Au").

(5) Mine-site free cash flow does not include lease payments which are classified as cash flows used in financing activities on the condensed interim consolidated

financial statements.

(6) Comparative prior year period figures do not include the Magino mine, as the acquisition of the Magino mine was completed on July 12, 2024.

(7) Includes ore stockpiled during the quarter.

(8) Total waste mined includes operating waste and capitalized stripping.