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Fortuna reports results for the first quarter of 2023

Financials

Fortuna reports results for the first quarter of 2023

(All amounts are expressed in US dollars, tabular amounts in millions, unless otherwise stated)

Vancouver, May 15, 2023: Fortuna Silver Mines Inc. (NYSE: FSM) (TSX: FVI) (“Fortuna” or the “Company”) today reported

its financial and operating results for the first quarter of 2023.

First Quarter 2023 highlights

Financial

• Adjusted net income of $13.2 million or $0.05 per share

• Net income of $11.9 million or $0.04 per share

• Adjusted EBITDA1 of $65.3 million

• Net cash provided by operating activities $41.8 million and free cash flow from ongoing operations of $8.5 million

• Liquidity as of March 31, 2023 was $129.7 million

Return to Shareholders

• NCIB share repurchase program renewed for up to 5% of outstanding common shares ( refer to Fortuna news

release dated April 28, 2023)

Operational

• Gold production of 60,092 ounces

• Silver production of 1,586,378 ounces

• Gold equivalent production of 94,110 ounces

• Consolidated cash costs1 per ounce of gold equivalent sold of $916

• Consolidated AISC1 per ounce of gold equivalent sold of $1,514

• Lost Time Injury Frequency Rate (LTIFR) of 0.56 and Total Recordable Injury Frequency Rate (TRIFR) of 1.39

Growth and Development

• On May 8, 2023 Fortuna announced a definitive agreement to acquire Chesser Resources Ltd. by way of an all

share transaction for a total consideration of A$89.0 million (CAD$80.6). Upon completion, the former

shareholders of Chesser will own approximately 5.1% of the shares of Fortuna on an undiluted basis . Chesser

Resources’ Diamba Sud Project in Senegal expands Fortuna’s advanced exploration pipeline in West Africa.

• First gold pour at the Séguéla mine in Cote d’Ivoire is planned for May 2023

Jorge A. Ganoza, President and CEO, commented, “Production and total cost per ounce for the first quarter were overall

on plan, resulting in net earnings per share of $0.04 and free cash flow from operations of $8.5 million. Commissioning

activities at Séguéla are well advanced and tracking according to plan for first gold pour in May, giving us a higher level of

confidence in a smooth ramp -up process towards design capacity.” Mr . Ganoza continued , “The announced Chesser

transaction meets our strategic objective of expanding our asset portfolio of high value opportunities in countries where

we operate or near neighbours. ” Mr. Ganoza concluded, “The Chesser acquisition provides for an exciting advanced

exploration opportunity, expanding our West African presence to Senegal, a mining friendly jurisdiction, and into the heart

of the Senegal-Mali shear zone, one of the most prolific gold belts in the West African region.”

NEWS RELEASE

Fortuna | 2

First Quarter 2023 Consolidated Results

Three months ended March 31,

(Expressed in millions) 2023 2022 % Change

Sales 175.7 182.3 (4%)

Mine operating income 40.4 63.5 (36%)

Operating (loss) income 23.9 40.7 (41%)

Net (loss) income 11.9 27.0 (56%)

(Loss) earnings per share - basic 0.04 0.09 (56%)

Adjusted net income1 13.2 33.3 (60%)

Adjusted EBITDA1 65.3 80.3 (19%)

Net cash provided by operating activities 41.8 33.2 26%

Free cash flow from ongoing operations1 8.5 9.6 (11%)

Production cash cost ($/oz Au Eq) 916 772 19%

All-in sustaining cash cost ($/oz Au Eq) 1,514 1,284 18%

Capital expenditures2

Sustaining 27.9 18.0 55%

Non-sustaining3 1.2 1.9 (37%)

Séguéla construction 25.7 42.9 (40%)

Brownfields 4.9 2.5 96%

As at March 31, 2023 December 31, 2022 % Change

Cash and cash equivalents 84.7 80.5 5%

Net liquidity position 129.7 150.5 (14%)

1 Refer to Non-IFRS Financial Measures section at the end of this news release and to the MD&A accompanying the Company’s financial statements filed on SEDAR at

www.sedar.com for a description of the calculation of these measures.

2 Capital expenditures are presented on a cash basis

3 Non-sustaining expenditures include greenfields exploration

Figures may not add due to rounding

First Quarter 2023 Results

Net income for the quarter was $11.9 million compared to $27.0 million in Q1 2022. After adjusting for non-cash and non-

recurring items, adjusted net income of $13.2 million for Q1 2023 was $20.1 million lower than Q1 2022. The decrease in

adjusted net income was primarily due to higher operating expenses related ma inly to higher input costs across our

operations and lower operating margins at Yaramoko and Lindero related to lower head grades. This impact was combined

with slightly lower sales of $6.7 million, mostly explained by lower silver prices of $22.52 per ounce in Q1 2023 compared

to $24.18 per ounce in Q1 2022. These effects were partially offset by lower general and administrative expenses of $2.0

million compared to Q1 2022.

Adjusted EBITDA for the quarter was $65.3 million, a 36% margin over sales, compared to $80.3 million reported in Q1

2022, representing a 44% margin over sales. The main driver for the decrease in EBITDA were higher operating costs and

slightly lower sales as described above.

Net cash generated by operations for the quarter was $41.8 million or $0.14 per share compared to $33.2 million or $0.11

per share in Q1 2022. The increase reflects lower EBITDA of $15.0 million offset by negative changes in working capital in

the current quarter of $10.8 million versus negative changes of $27.9 million in Q1 2022, and lower-income taxes paid of

$7.1 million.

Free cash flow from ongoing operations for the quarter was $8.5 million, compared to $9.6 million in Q1 2022. The

decrease is the result of higher net cash generated by operations of $8.6 million compared to the Q1 2022, offset by higher

sustaining capex and brownfields exploration at our operating mines of $12.3 million in Q1 2023.

Fortuna | 3

Liquidity

The Company’s total liquidity available as of March 31, 2023 was $129.7 million, comprised of $84.7 million in cash and

cash equivalents, and $45.0 million undrawn on the $250.0 million revolving credit facility.

Séguéla Gold Project Construction Update

As of March 31, 2023, the Séguéla Gold Project had approximately $22.5 million in remaining spend of the project’s $173.5

million total initial capital , and the project remains on -time and on -budget. The Company’s cash and cash equivalents

balance, free cash flow from ongoing operations and undrawn amounts of the revolving credit facility are expected to

fund the remaining construction spend of the Séguéla Gold Project.

Lindero Mine, Argentina

Three months ended March 31,

2023 2022

Mine Production

Tonnes placed on the leach pad 1,478,148 1,295,755

Gold

Grade (g/t) 0.71 0.88

Production (oz) 25,258 30,068

Metal sold (oz) 26,812 28,619

Realized price ($/oz) 1,885 1,890

Unit Costs

Cash cost ($/oz Au)1 891 692

All-in sustaining cash cost ($/oz Au)1 1,424 1,038

Capital Expenditures ($000's) 2

Sustaining 7,745 3,125

Non-sustaining 187 169

Brownfields – 144

1 Cash cost and AISC are non-IFRS financial measures; refer to non-IFRS financial measures section at the end of this news release and to the MD&A accompanying the

Company’s financial statements filed on SEDAR at www.sedar.com for a description of the calculation of these measures.

2 Capital expenditures are presented on a cash basis.

Quarterly Operating and Financial Highlights

In the first quarter of 2023, a total of 1,478,148 tonnes of ore were placed on the heap leach pad, with an average gold

grade of 0.71 g/t, containing and estimated 33,510 ounces of gold. Gold production for Q1 2023 totaled 25,258 ounces,

representing a 16% decrease year-over-year. The decline in gold production can primarily be attributed to a decrease in

the head grade of mineralized material placed on the leach pad, which is aligned with the planned mining sequence. Mine

production was 1.6 million tonnes of mineralized material, with a strip ratio of 1.07:1. This stripping ratio is consistent

with the operation's plan for the year, which anticipates a ratio of 1.17:1.

Cash cost per ounce of gold for Q1 2023, was $891 compared to $692 in the Q1 2022. Cash cost per ounce of gold was

higher due to lower production, higher prices of key consumables due to inflation, higher equipment rental costs due to

lower fleet availability, and timing of plant maintenance. This was partially offset by higher stripping capitalization.

All-in sustaining cash cost per gold ounce sold was $1,424 during Q1 2023 compared with $1,038 in Q1 2022. All -in

sustaining cash cost for Q1 2023 was impacted by the cost issues described above, compounded by lower ounces sold and

higher sustaining capital spend, partially offset by a positive by-product effect from copper.

Fortuna | 4

During the quarter, sustaining capital expenditures were primarily a result of Phase II expansion of the leach pad, routine

maintenance, and several minor proj ects. There were no brownfields exploration capital investments made within this

period.

Yaramoko Mine Complex, Burkina Faso

Three months ended March 31,

2023 2022

Mine Production

Tonnes milled 139,650 127,968

Gold

Grade (g/t) 5.94 7.50

Recovery (%) 97 98

Production (oz) 26,437 28,235

Metal sold (oz) 29,530 29,530

Realized price ($/oz) 1,899 1,878

Unit Costs

Cash cost ($/oz Au)1 819 705

All-in sustaining cash cost ($/oz Au)1 1,509 1,147

Capital Expenditures ($000's) 2

Sustaining 13,549 7,361

Brownfields 1,191 488

1 Cash cost and AISC are non-IFRS financial measures; refer to non-IFRS financial measures section at the end of this news release and to the MD&A accompanying the

Company’s financial statements filed on SEDAR at www.sedar.com for a description of the calculation of these measures.

2 Capital expenditures are presented on a cash basis.

The Yaramoko Mine produced 26,437 ounces of gold in the Q1 2023 with an average gold head grade of 5.94g/t, a 6%

decrease, respectively, when compared to Q1 2022. Higher mill throughput contributed positively to the operation, offset

by reduced operating time due to planned maintenance and lower head grades. Production for the quarter was in line

with the mining sequence and Mineral Reserves estimate.

Underground mineralized material was sourced from the 55 Zone, with development also con tributing from outside of

the current resource boundary on the western side of the deposit.

Cash cost per ounce of gold sold in Q1 2023, was $819, compared to $705 in Q1 2022. Cash cost per ounce increased due

to higher processing costs resulting from increased maintenance costs and the impact of inflation on key consumables

and mining costs. Processing costs were also higher as a result of processing of increased tonnes at lower grades.

All-in sustaining cash cost per gold ounce sold was $1,509 for Q1 2023, compared to $1,147 in Q1 2022. This increase was

as a result of a decrease in production, increased cash cost, and higher capital expenditures.

Sustaining capital in Q1 2023 increased due to higher mine development. Brownfields expenditure was primarily higher

due to an increase in diamond drilling meters.

Fortuna | 5

San Jose Mine, Mexico

Three months ended March 31,

2023 2022

Mine Production

Tonnes milled 246,736 250,947

Average tonnes milled per day 2,869 2,918

Silver

Grade (g/t) 181 185

Recovery (%) 91 91

Production (oz) 1,303,312 1,358,189

Metal sold (oz) 1,328,333 1,316,193

Realized price ($/oz) 22.58 24.27

Gold

Grade (g/t) 1.15 1.13

Recovery (%) 90 90

Production (oz) 8,231 8,239

Metal sold (oz) 8,355 7,952

Realized price ($/oz) 1,900 1,890

Unit Costs

Production cash cost ($/t)2 86.66 76.05

Production cash cost ($/oz Ag Eq)1,2 11.42 10.42

All-in sustaining cash cost ($/oz Ag Eq)1,2 15.51 15.32

Capital Expenditures ($000's) 3

Sustaining 3,772 3,575

Non-sustaining 269 415

Brownfields 1,088 1,529

1 Production cash cost per ounce of silver equivalent and all-in sustaining cash cost per ounce of silver equivalent are calculated using realized metal prices for each

period respectively.

2 Production cash cost per tonne, production cash cost per ounce of silver equivalent, and all-in sustaining cash cost per ounce of silver equivalent are non-IFRS financial

measures, refer to non-IFRS financial measures section at the end of this news release and to the MD&A accompanying the Company’s financial statements filed on

SEDAR at www.sedar.com for a description of the calculation of these measures.

3 Capital expenditures are presented on a cash basis.

In the first quarter of 2023, the San Jose Mine produced 1,303,312 ounces of silver and 8,231 ounces of gold, 4% and

unchanged, respectively, when compared to Q1 2022. Production for the quarter was aligned with the mining sequence

and Mineral Reserves estimate.

The cash cost per tonne for Q1 2023, was $86.66 compared to $76.05 in Q1 2022. The increase was primarily due to

inflation and the appreciation of the Me xican Peso, affecting consumables, labor costs and other services paid in local

currency.

All-in sustaining cash costs of payable per ounce of silver equivalent for Q1 2023, increased 2% to $15.58 per ounce,

compared to $15.32 in Q1 2022. The increase wa s due to higher cash cost s partially offset by lower sustaining capital

expenditures and increased silver equivalent production, mainly due to lower silver prices.

In the first quarter of 2023, sustaining capital expenditures were lower than expected, primarily due to delays in executing

purchases related to components and overhauls. This contrasts with Q1 2022, when significant planned mine acquisitions

had been carried over from the previous quarter. The decrease in Q1 2023 was partially offset by a n increase in

expenditures related to development and infill drilling meters. Brownfields exploration expenditures faced challenges

from geological and operational delays, but accelerated spending is anticipated in Q2 2023.

Fortuna | 6

Caylloma Mine, Peru

Three months ended March 31,

2023 2022

Mine Production

Tonnes milled 125,995 132,574

Average tonnes milled per day 1,448 1,524

Silver

Grade (g/t) 85 89

Recovery (%) 82 82

Production (oz) 283,066 311,939

Metal sold (oz) 263,570 294,301

Realized price ($/oz) 22.24 23.78

Gold

Grade (g/t) 0.15 0.16

Recovery (%) 27 37

Production (oz) 166 258

Metal sold (oz) 22 325

Realized price ($/oz) 1,895 1,828

Lead

Grade (%) 3.74 3.55

Recovery (%) 92 88

Production (000's lbs) 9,509 9,134

Metal sold (000's lbs) 8,782 8,575

Realized price ($/lb) 1.02 1.06

Zinc

Grade (%) 5.21 4.18

Recovery (%) 90 89

Production (000's lbs) 13,051 10,827

Metal sold (000's lbs) 13,815 10,546

Realized price ($/lb) 1.45 1.69

Unit Costs

Production cash cost ($/t)2 98.07 89.60

Production cash cost ($/oz Ag Eq)1,2 13.14 12.39

All-in sustaining cash cost ($/oz Ag Eq)1,2 16.88 17.83

Capital Expenditures ($000's) 3

Sustaining 2,810 3,949

Brownfields 204 324

1 Production cash cost per ounce of silver equivalent and all-in sustaining cash cost per ounce of silver equivalent are calculated using realized metal prices for each

period respectively.

2 Production cash cost per tonne, production cash cost per ounce of silver equivalent, and all-in sustaining cash cost per ounce of silver equivalent are non-IFRS financial

measures, refer to non-IFRS financial measures section at the end of this news release and to the MD&A accompanying the Company’s financial statements filed on

SEDAR at www.sedar.com for a description of the calculation of these measures.

3 Capital expenditures are presented on a cash basis.

In the first quarter of 2023, t he Caylloma Mine produced 283,066 ounces of silver, 9.5 million pounds of lead, and 13.1

million pounds of zinc. Silver production was 9% lower compared to Q1 2022, but was in line with the mining sequence

and Mineral Reserves estimate. Lead and zinc production rose by 4% and 21% respectively, compared to Q1 2022, due to

higher head grades from levels 16 and 17 within the Animas vein, and higher tonnes. Gold production totaled 166 ounces

with an average head grade of 0.15 g/t.

Fortuna | 7

The cash cost per tonne of processed ore in Q1 2023 increased 9% to $98.07 compared to $89.60 in Q1 2022. The increase

was mainly due to higher mining costs driven by inflation and its direct impact on the price of materials, compounded by

lower tonnes processed.

The all -in sustaining cash cost per payable silver equivalent ounce in Q1 2023, decreased 3% to $17.29 per ounce,

compared to $17.83 per ounce in Q1 2022. The decrease was mainly increased silver equivalent production, mainly due

to lower silver prices.

Sustaining capital expenditures in Q1 2023 decreased primarily due to blockades limiting project executions. Spending on

execution of the developments located on levels 15 and level 18 at the Animas vein was offset by decreased expenditure

on other levels. The decrease in brownfields exploration capital expenditures was primarily due to a decrease in diamond

drilling meters.

Qualified Person

Eric Chapman, Senior Vice President of Technical Services, is a Professional Geoscientist of the Association of Professional

Engineers and Geoscientists of the Province of British Columbia (Registration Number 36328), and is the Company’s

Qualified Person (as defined by National Instrument 43-101). Mr. Chapman has reviewed and approved the scientific and

technical information contained in this news release and has verified the underlying data.

Non-IFRS Financial Measures

The Company has disclosed certain financial measures and ratios in this news release which are not defined under the

International Financial Reporting Standards (“IFRS”), as issued by the International Accounting Standards Board, and are

not disclosed in the Company's financial statements, including but not limited to: cash cost per ounce of gold sold; all -in

sustaining cash cost per ounce of gold sold; all -in cash cost per ounce of gold sold; total production cash cost per tonne;

cash cost per payable ounce of silver equivalent sold; all -in sustaining cash cost per payable ounce of silver equivalent

sold; all-in cash cos t per payable ounce of silver equivalent sold; free cash flow from ongoing operations; adjusted net

income; adjusted EBITDA and working capital.

These non -IFRS financial measures and non -IFRS ratios are widely reported in the mining industry as benchmarks for

performance and are used by management to monitor and evaluate the Company's operating performance and ability to

generate cash. The Company believes that, in addition to financial measures and ratios prepared in accordance with IFRS,

certain investors use these non-IFRS financial measures and ratios to evaluate the Company’s performance. However, the

measures do not have a standardized meaning under IFRS and may not be comparable to similar financial measures

disclosed by other companies. Accordingly, non-IFRS financial measures and non-IFRS ratios should not be considered in

isolation or as a substitute for measures and ratios of the Company’s performance prepared in accordance with IFRS. The

Company has calculated these measures consistently for all periods presented.

To facilitate a better understanding of these measures and ratios as calculated by the Company, descriptions are provided

below. In addition see “Non -IFRS Financial Measures” in the Company’s management’s discussion and analysis for the

three months ended March 31, 2023 (“Q1 2023 MDA”), which section is incorporated by reference in this news release,

for additional information regarding each non -IFRS financial measure and non -IFRS ratio disclosed in this news release,

including an explanation of their composition; an explanation of how such measures and ratios provide useful information

to an investor and the additional purposes, if any, for which management of the Company uses such measures and ratio.

The Q1 2023 MD&A may be accessed on SEDAR at www.sedar.com under the Company’s profile.

Except as otherwise described in the Q1 2023 MD&A, the Company has calculated these measures consistently for all

periods presented.

Fortuna | 8

Reconciliation to adjusted net income for the three months ended March 31, 2023 and 2022

Three months ended March 31,

Consolidated (in millions of US dollars) 2023 2022

Net income 11.9 27.0

Adjustments, net of tax:

Foreign exchange loss, Séguéla Project - 0.6

Unrealized loss on derivatives 1.0 -

Accretion on right of use assets 0.6 0.6

Other non-cash/non-recurring items (0.3) 1.3

Adjusted Net Income 13.2 29.5

1 Amounts are recorded in Cost of sales

2 Amounts are recorded in General and Administration

Figures may not add due to rounding

Reconciliation to adjusted EBITDA for the three months ended March 31, 2023 and 2022

Three months ended March 31,

Consolidated (in millions of US dollars) 2023 2022

Net (loss) income 11.9 27.0

Adjustments:

Community support provision and accruals (0.1) -

Foreign exchange loss, Séguéla Project - 0.6

Net finance items 2.6 2.8

Depreciation, depletion, and amortization 44.4 38.1

Income taxes 7.9 6.8

Other non-cash/non-recurring items (1.4) 5.0

Adjusted EBITDA 65.3 80.3

Figures may not add due to rounding

Reconciliation of free cash flow from ongoing operations for the three months ended March 31, 2023 and 2022

In 2022, the Company changed the method for calculating free cash flow from ongoing operations. The calculation now

uses taxes paid as opposed to the previous method which used current income taxes. While this may create larger quarter

over quarter fluctuations due to the timing of income tax payments, management believes the revised method is a better

representation of the free cash flow generated by the Company’s ongoing operations. Comparative values from 2021 have

been restated using the change in the methodology.

Three months ended March 31,

Consolidated (in millions of US dollars) 2023 2022

(Restated)

Net cash provided by operating activities 41.8 33.2

Adjustments

Additions to mineral properties, plant and equipment (30.4) (20.5)

Other adjustments (2.9) (3.1)

Free cash flow from ongoing operations 8.5 9.6

Figures may not add due to rounding