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ABC PROJECT (CÔTE D'IVOIRE) MINERAL RESOURCE ESTIMATE
The 2020 drilling programme increased overall ABC Mineral Resources by nearly 100% (contained metal) above a cut-off of 0.5g/t Au to 2.16Moz Inferred compared with 1.15Moz in the December 2019 Mineral Resource estimate reported in March 2020. This increase directly resulted from the recent drilling programme defining significant mineralised volume additional to the Kona South prospect estimated in 2019, now known as Kona Central.

The Mineral Resource data presented in the table included in this document comprise a summary extract for the Mineral Resource reports for the Group's ABC Project properties in Cote d'Ivoire only. For comparative purposes, data for 2020 has been included where possible. Numbers have been rounded, and therefore there may be small differences in the totals. Varying cut-off grades have been clearly stated.

The Mineral Resources are reported according to the Canadian Institute of Mining Metallurgy and Petroleum (CIM) 2014 Definition Standards for Mineral Resources & Mineral Reserves and the CIM 2019 Estimation of Mineral Resources & Mineral Reserves Best Practice Guidelines.

RESOURCE NOTES

ABC Project

• Mineral Resources are not Mineral Reserves and do not have demonstrated economic viability

• The ABC Resource estimate comprises two deposits - Kona South & Kona Central

• Drill spacing is a nominal 50 x 50 x 1 metre spacing

• Reverse Circulation and Diamond drilling only has been used for the estimation

• The grade estimation has been undertaken using Ordinary Kriging and Localised Uniform Conditioning methodologies

• At Kona Central, a categorical Indicator Kriging (at a 0.25 g/t Au threshold) has been used to define internal ore and waste domains

• The grade estimate has been classified as Inferred in accordance with the CIM 2014 guidelines

• The Updated Mineral Resource has been reported at an economic cut-off grade of 0.5g/t, 250m below surface and within 100 metres of the nearest sample

• This Updated Mineral Resources Estimate was prepared by Mr. Patrick Adams of Cube Consulting Pty Ltd who represents the Qualified Person for the estimate

• This Updated Mineral Resources Estimate is not expected to be materially affected by environmental, permitting, legal title, taxation, socio-political, marketing or other relevant issues.

The ABC resource data sets include Reverse Circulation and Diamond drill data with gold estimates based on 50-gram Fire Assay analysis completed at Bureau Veritas Mineral Laboratories, Abidjan.

QUALIFIED PERSONS
A "Qualified Person" is as defined by the National Instrument 43-101 of the Canadian Securities Administrators. The named Qualified Person(s) have verified the data disclosed, including sampling, analytical, and test data underlying the information or opinions contained in this announcement in accordance with standards appropriate to their qualifications. Each Qualified Person consents to the inclusion of the information in this document in the form and context in which it appears.

Information of a scientific or technical nature in this document, including but not limited to the Mineral Resource estimates, was prepared by and under the supervision of the Group Qualified Persons, Howard Bills, Group Exploration Manager, and Craig Barker, Group Mineral Resource Manager, and Patrick Adams, the independent Qualified Person from Cube Consulting Pty Ltd. All are geoscientists and fulfil the requirements of being a "Qualified Person(s)" under the CIM Definition Standards.

Investors should be aware that the figures stated are estimates and no assurances can be given that the stated quantities of metal will be produced.

Mineral Resource Estimates contained in this document are based on available data as at 31 July 2021.

ENDNOTES

Guidance
The Company actively monitors the developments of the COVID-19 pandemic and guidance may be impacted if the workforce or operation are disrupted.

Forward-looking Statements
This announcement (including information incorporated by reference) contains "forward-looking statements" and "forward-looking information" under applicable securities laws (collectively, "forward-looking statements"), including statements with respect to future financial or operating performance. Generally, these forward-looking statements can be identified by the use of forward-looking terminology such as "believes", "expects", "expected", "budgeted", "forecasts" and "anticipates". Although Centamin believes that the expectations reflected in such forward-looking statements are reasonable, Centamin can give no assurance that such expectations will prove to be correct. Forward-looking statements are prospective in nature and are not based on historical facts, but rather on current expectations and projections of the management of Centamin about future events and are therefore subject to known and unknown risks and uncertainties which could cause actual results to differ materially from the future results expressed or implied by the forward-looking statements. In addition, there are a number of factors that could cause actual results, performance, achievements or developments to differ materially from those expressed or implied by such forward-looking statements; the risks and uncertainties associated with the ongoing impacts of COVID-19 or other pandemic, general business, economic, competitive, political and social uncertainties; the results of exploration activities and feasibility studies; assumptions in economic evaluations which prove to be inaccurate; currency fluctuations; changes in project parameters; future prices of gold and other metals; possible variations of ore grade or recovery rates; accidents, labour disputes and other risks of the mining industry; climatic conditions; political instability; decisions and regulatory changes enacted by governmental authorities; delays in obtaining approvals or financing or completing development or construction activities; and discovery of archaeological ruins. There can be no assurance that forward-looking statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such information or statements, particularly in light of the current economic climate and the significant volatility, uncertainty and disruption caused by the outbreak of COVID-19. Forward-looking statements contained herein are made as of the date of this announcement and the Company disclaims any obligation to update any forward-looking statement, whether as a result of new information, future events or results or otherwise. Accordingly, readers should not place undue reliance on forward-looking statements.

LEI: 213800PDI9G7OUKLPV84

Company No: 109180

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SOURCE: Centamin PLC

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