Centamin plc ('Centamin', 'Group' or 'the Company') (LSE:CEY)(TSX:CEE) MARTIN HORGAN, CEO, COMMENTED: 'Our improved geological understanding at Sukari has enabled a 500 thousand ounce increase in reserves over the 5.3 million ounce reserve estimated in the recently published LOM plan.

Since 2020 we have delivered 3.5 million ounces of Mineral Reserve growth, before mining depletion, exceeding our 3 million ounce target. This has been driven by reserve growth of almost 1.6 million ounces at Sukari and a maiden 1.9 million ounce reserve at Doropo.

The progress made in 2023 is testament to the geological opportunity within our portfolio, the quality of Centamin's geological leadership team and investment in our orebodies. During the first half of 2024, we will release the results of the maiden drilling campaign across our Egyptian exploration portfolio and will also aim to publish the updated reserve numbers for Doropo as part of the ongoing DFS.'

Centamin is pleased to announce its annual update of Group Mineral Resources and Reserves, comprising of the Sukari Gold Mine ('Sukari') in Egypt and the Doropo Gold Project ('Doropo') and ABC Project ('ABC') in Cote d'Ivoire.

HIGHLIGHTS

Sukari Proven & Probable ('P&P') Mineral Reserves increased by 10% to 5.8Moz compared to the 5.3Moz Mineral Reserve estimate included in the new Life of Mine Plan (available here) published on 12 October 2023

Group P&P Mineral Reserves increased by 3.5 million ounces ('Moz') since 2020, before depletion, exceeding the Company's stated target of 3.0Moz

Group P&P Mineral Reserves increased 28% compared to 2022 , to a total of 194Mt at an average grade of 1.23g/t for 7.7Moz of contained gold, driven by reserve growth at Sukari and the inclusion of maiden Mineral Reserves at Doropo in Cote d'Ivoire (available here)

Group Measured & Indicated ('M&I') Mineral Resources of 392Mt at an average grade of 1.06 g/t for 13.4Moz of contained gold (inclusive of Mineral Reserves). Reflecting resource growth at Doropo and depletion at Sukari

Following the completion of the DFS drill programme the Doropo M&I Mineral Resources increased by 23% to 77Mt at 1.26g/t for 3.1Moz of contained gold. The updated resource will form the basis of the DFS reserve update in mid-2024.

OUTLOOK

The 2024 geological programme continues to target resource and reserve growth across the portfolio and comprises of :

285,000 metres of drilling budgeted at Sukari for 2024, with a focus on grade control and infill drilling to support short and medium term planning, and longer term extensional drilling

With the Doropo definitive feasibility study ('DFS') resource drilling complete, 10,200 metres of sterilisation drilling is budgeted in 2024 as part of the DFS to confirm infrastructure locations. With publication expected in mid-2024

The full assay results from the Eastern Desert Exploration ('EDX') maiden 16,000 metre drill campaign are expected in Q1 2024 with a follow-up work programme to be based on an analysis of the results.

SUMMARY GROUP MINERAL RESOURCE & RESERVE TABLE

ABOUT CENTAMIN

Centamin is an established gold producer, with premium listings on the London Stock Exchange and Toronto Stock Exchange. The Company's flagship asset is the Sukari Gold Mine ('Sukari'), Egypt's largest and first modern gold mine, as well as one of the world's largest producing mines. Since production began in 2009 Sukari has produced over 5 million ounces of gold, and today has a projected mine life to 2035.

Through its large portfolio of exploration assets in Egypt and West Africa, Centamin is advancing an active pipeline of future growth prospects, including the Doropo project in Cote d'Ivoire, and over 3,000km 2 of highly prospective exploration ground in Egypt's Arabian Nubian Shield.

Centamin practices responsible mining activities, recognising its responsibility to deliver operational and financial performance and create lasting mutual benefit for all stakeholders through good corporate citizenship.

Contact:

Alexandra Barter-Carse

Tel: +44 (0) 7700 713 738

Email: investor@centaminplc.com

MINERAL RESOURCE & RESERVE STATEMENTS

The Mineral Resource and Reserve data presented in the tables included in this document comprise of summary extracts of the respective technical reports.

SUKARI GOLD MINE, EGYPT

Mineral Resource Estimate

As at 30 June 2023, the Sukari Mineral Resources (inclusive of Mineral Reserves) were 10.3Moz of contained gold, reflecting a 8% decrease in M&I resource ounces, compared with 2022 ('YoY'). The change in ounces YoY is the result of mining depletion, a significantly improved open pit design as per the new LOM Plan, and transitioning of the resource modelling from external consultants to in-house, managed by Centamin's Mineral Resource Management department.

Our improved geological understanding has resulted in an in-house model which better reflects the known distribution of mineralisation consequently improving its application for mine planning. Enhancements to the classification process have resulted in a redistribution of the Mineral Resource estimate between the Measured and Indicated categories, primarily within the open pit. The goal remains to continue improving our understanding of the orebody and increase the classification of Indicated to Measured. This will be done largely through advanced grade control drilling to further support near term mine planning.

Cut-off grades have been clearly stated, along with the gold price assumption of US$2,000/oz, both of which remain unchanged for the Mineral Resource estimate. A total of 297,600 metres of drilling was completed between June 2022 and June 2023, divided between open pit (67%) and underground (33%) with the open pit resource model externally audited by H&S Consultants Pty Ltd.

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