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  • Séguéla Mine, Côte d’Ivoire

    First gold pour achieved in May 2023

The Inauguration of the Séguéla Mine - 2023

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OPERATING HIGHLIGHTS

 

20231

2024E1

Gold production (koz)

78.6

126 - 138

AISC2,3,4 (US$/oz AuEq)

-

$1,110 - $1,230

Notes:

  • Refer to Fortuna news releases dated January 18, 2023, "Fortuna reports record 2023 production of 452 koz Au Eq and 2024 annual guidance of 457 to 497 koz Au Eq"
  • Cash Cost and all-in sustaining cost (AISC) are non-IFRS financial measures which are not standardized financial measures under the financial reporting framework used to prepare the financial statements of the Company and might not be comparable to similar financial measures disclosed by other issuers.  Refer to the note under “Non-IFRS Financial Measures” on this website.
  • The following table provides the historical cash costs and historical AISC for the four operating mines for the year ended December 31, 2022, as follows:
    Mine Cash Costa,b,c AISCa,b,c
    SILVER ($/oz AgEq) ($/oz AgEq)
    San Jose, Mexico 10.56 15.11
    Caylloma, Peru 12.34 17.97
    GOLD ($/oz Au) ($/oz Au)
    Lindero, Argentina 740 1,142
    Yaramoko, Burkina Faso 840 1,529
    • (a) Cash cost and AISC are non-IFRS financial measures; refer to the note under “Non-IFRS Financial Measures” on this website.
    • (b) Silver equivalent was calculated at metal prices of $1,802/oz Au, $21.75/oz Ag, $2,161/t Pb and $3,468/t Zn for the year ended December 31, 2022
    • (c) Further details on the cash costs and AISC for the year ended December 31, 2022 are disclosed on pages 38, 40, and 41 (with respect to cash costs) and pages 39 and 42 (with respect to AISC) of the Company’s management discussion and analysis (“MD&A”) for the year ended December 31, 2022 dated as of March 15, 2023 (“2022 MD&A”) which is available under Fortuna's SEDAR+ profile at www.sedarplus.ca and is incorporated by reference into this news release, and the note under “Non-IFRS Financial Measures” on this website.
  • Cash cost includes production cash cost.  AISC includes sustaining capital expenditures, worker’s participation (as applicable) commercial and government royalties mining tax, export duties (as applicable), subsidiary G&A and Brownfields exploration and is estimated at metal prices of $1,800/oz Au, $22/oz Ag, $2,000/t Pb, and $2,500/t Zn. AISC excludes government mining royalty recognized as income tax within the scope of IAS-12.

Séguéla Project feasibility study economic highlights⁽¹⁾

All dollar amounts are expressed in US dollars unless otherwise indicated


Operating Metrics

  Units Results
Life of mine years 8.6
Total mineralized material mined tonnes 12,064,000
Contained gold in mined resource oz 1,088,000
Strip ratio waste to ore 13.9:1
Throughput @ start-up million tonnes per annum (Mtpa) 1.25
Throughput @ peak Mtpa 1.57
Head grade g/t Au 2.8
Recoveries % 94.5%
     
Gold Production
Total production over life of mine (LOM) oz 1,028,000
Annual production over LOM oz 120,000
Annual production over first 6 years oz 133,000
     
Operating Costs over LOM
Total mining costs $/t (mined) $2.79
Mining costs (sustaining capital) $/t (mined) $0.78
Mining costs (operating costs) $/t (mined) $2.01
Processing $/t (processed) $12.57
G&A $/t (processed) $5.30
Total operating costs
(excluding sustaining capital)
$/t (processed) $47.83

Financial Metrics
  Units Results
Cash costs2
   Average cash costs over LOM $/oz $567
   Average cash costs over first 6 years $/oz $528
AISC2
   Average AISC2 over LOM $/oz $832
   Average AISC2 over first 6 years $/oz $797
       
Valuation
Gold price $/oz $1,600 $1,800
NPV @ 5% discount rate (after-tax)(3) $M $380 478
After-tax IRR % 49% 58%
Payback period years 1.7 1.4
Average EBITDA2 over LOM $M $107 $127
Average EBITDA2 over first 6 years $M $130 $153

Environmental Data
  Units Results
Greenhouse gas emissions intensity
(scope 1+2)
tCO2e/oz 0.58
Energy intensity GJ/oz 4.39
  • Notes
    • Please refer to the technical report entitled “NI 43‐101 Technical Report, Séguéla Project, Feasibility Study, Worodougou Region, Côte d’Ivoire” dated May 26, 2021 co-authored by Paul Criddle, FAusIMM, Hans Andersen, MAIG, Paul Weedon, MAI, Dave Morgan, AIMM, CPEng, Geoff Bailey, FIEAust, CPEng, NPER-3, REPQ, Shane McLeay FAUSIMM and Niel Morrison Peng filed on SEDAR under the Fortuna issuer profile on March 18, 2022.
    • Cash costs, all-in sustaining cash costs and EBITDA are non-IFRS financial measures. Refer to Non-IFRS Financial Measures at the end of this news release
    • Attributable to Fortuna’s 90% interest; the Government of Côte d’Ivoire holds a 10% carried interest
    • The Project economics are subject to the assumptions as detailed in the Feasibility Study

LOCATION

The Séguéla Mine is located in the Worodougou Region of the Woroba District, Côte d’Ivoire, approximately 500 km from Abidjan, via major highways to the regional city of Séguéla. From Séguéla, the property is accessed via 40 km of unsealed roads. The Séguéla Mine is operated under the Permis d’exploration minière No.56 and the adjacent Permis de recherche minière No.638 which combined cover an area of 62,000 hectares.

GEOLOGY AND MINERALIZATION

The Séguéla Mine is situated within the Paleoproterozoic (“Birimian”) Baoule-Mossi Domain of the West African Craton. Two cycles of volcanism/sedimentation are recognised within the Birimian rocks of the Baoule-Mossi Domain; each followed by a period of orogenesis, and together described as the Eburnian Orogeny which is dated c. 2.19–2.08 Ga. Rocks of the Baoule-Mossi Domain are primarily polyphase granitoids, and volcano-sedimentary sequences forming granite-greenstone terranes. The first cycle of sedimentation and orogenesis (“Eburnian 1”) is described by the accumulation of volcanic and volcaniclastic rocks; then subsequently intruded by early stage granitoids. Following a period of uplift and erosion, the Eburnian 2 cycle is described by the filling of intra-montaine basins with predominantly arenaceous sediments of the Tarkwaian Series.

  • The Antenna deposit occurs within a greenstone package deposited during Eburnian 1, is an orogenic lode-style gold system, hosted by a brittle-ductile quartz-albite vein stockwork predominantly contained within flow banded rhyolite units.
  • The Koula deposit is located approximately one kilometer to the east of Antenna and was discovered through field reconnaissance and coincident recent artisanal workings in an area previously considered to be a lower exploration priority. Results from the first of four drill holes testing the projected depth extensions approximately 120 meters down-plunge from the previously deepest intersection of 14 meters at 4.3 g/t Au included an intersection of six meters at 10.8 g/t Au from 355 meters downhole.
  • The Ancien deposit is associated with an interpreted D2 sinistral shear zone. Significant mineralization is restricted to the more reactive and competent tholeiitic basalt unit and is best developed in zones of strong brittle-ductile brecciation and shearing, with selective sericite+/-silica alteration and intense quartz and quartz-carbonate veining.
  • The Boulder and Agouti prospects are both located within a distinct northerly-trending litho-structural corridor that extends from Boulder in the south to Gabbro in the north. Gold mineralization at the Boulder and Agouti prospects is associated with strongly foliated or mylonitized, quartz/quartz-carbonate veined basalt and the margins of the felsic intrusives.
  • The Sunbird deposit is hosted in the same mafic lithological package as Ancien and Koula, with the setting analogous to Koula. Hosted within a strongly foliated and sheared tholeiitic basalt unit, mineralization is best developed in discrete zones of strong shearing with associated biotite-sericite alteration and quartz-carbonate veining.  Visible gold to 5mm is common within quartz veins, similar to what is also seen at Ancien and Koula. Mineralization remains open at depth.

Mineral Reserves and Resources

Mineral Reserves - Proven and Probable Contained Metal
Property Classification Tonnes
(000)
Au
(g/t)
Au
(koz)
Séguéla, Côte d'Ivoire
Stockpiles Proven 436 2.06
29
Antenna Probable 4,354 2.30
321
Koula Probable 1,445 5.77
268
Ancien Probable 1,811 3.80
221
Agouti Probable 905 2.39
70
Boulder Probable 710 1.73
39
Sunbird Probable 2,102 3.04
206
Combined Proven + Probable 11,763 3.05
1,154
Mineral Resources - Measured and Indicated Contained Metal
Property Classification Tonnes
(000)
Au
(g/t)
Au
(koz)
Séguéla, Côte d'Ivoire
Open pit (OP)        
Antenna Indicated 1,333 1.32
57
Koula Indicated 54 5.84
10
Ancien Indicated 195 2.79
17
Agouti Indicated 298 1.69
16
Boulder Indicated 433 1.13
16
Sunbird Indicated 548 1.77
31
OP Combined Measured + Indicated 2,860 1.60
147
Underground (UG)        
Koula Indicated 45 4.54
7
Ancien Indicated 192 3.79
23
Sunbird Indicated 1,562 4.05
203
UG Combined Measured + Indicated 1,799 4.03
233
Combined Measured + Indicated 4,659 2.54
381
Mineral Resources - Inferred Contained Metal
Property Classification Tonnes
(000)
Au
(g/t)
Au
(koz)
Séguéla, Côte d'Ivoire
Open pit        
Antenna Inferred 1,734 1.61
90
Koula Inferred 373 4.44
53
Ancien Inferred 17 0.89
1
Agouti Inferred 49 1.53
2
Sunbird Inferred 23 2.29
2
OP Combined Inferred 2,196 2.09
147
Underground        
Koula Inferred 290 3.24
30
Ancien Inferred 154 3.82
19
Sunbird Inferred 419 3.62
49
UG Combined Inferred 863 3.53
98
Combined Inferred 3,059 2.50
245
  • Notes
    • Mineral Reserves and Mineral Resources are as defined by the 2014 CIM Definition Standards for Mineral Resources and Mineral Reserves
    • Mineral Resources are exclusive of Mineral Reserves
    • Mineral Resources that are not Mineral Reserves do not have demonstrated economic viability
    • Factors that could materially affect the reported Mineral Resources or Mineral Reserves include; changes in metal price and exchange rate assumptions; changes in local interpretations of mineralization; changes to assumed metallurgical recoveries, mining dilution and recovery; and assumptions as to the continued ability to access the site, retain mineral and surface rights titles, maintain environmental and other regulatory permits, and maintain the social license to operate
    • Mineral Resources and Mineral Reserves for the Seguela Gold Mine are estimated and reported as of December 31, 2023
    • Mineral Reserves are reported on a 100% ownership basis at an incremental gold grade cut-off of 0.65 g/t Au for Antenna, 0.72  g/t Au for Agouti, 0.69 g/t Au for Boulder, 0.66 g/t Au for Koula, 0.73 g/t Au for Ancien, and 0.66 g/t Au for Sunbird deposits based on a gold price of US$1,600/ounce, metallurgical recovery rates of 94.5%, surface mining costs of $3.12/t, processing cost of $15,42/t and G&A cost of 8.83/t, and only Proven and Probable categories reported within the final pit designs. The Mineral Reserves pit design were completed based on the next overall slope angles: 36.8° for oxide material, 44.2° for transitional material and 51° for fresh material except for Sunbird that uses slope angles of 36.8° for oxide material, 36.5° for transitional material and 50° for fresh material. The Mineral Reserves are reported with modifying factors of mining dilution and mining recovery represented by regularizing the block models to an appropriate selective mining unit (SMU) block size. The Seguela Gold Project is subject to a 10% carried interest held by the government of Côte d'Ivoire
    • Eric Chapman is the Qualified Person responsible for Mineral Resources, Raul Espinoza is the Qualified Person responsible for Mineral Reserves, both being full time employees of Fortuna Silver Mines Inc.
    • Totals may not add due to rounding procedures

       

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