Burnstone gold project, South Africa – update

Image of Burnstone project infrastructure

Photo by Sibanye-Stillwater

22nd September 2023

By: Sheila Barradas

Creamer Media Research Coordinator & Senior Deputy Editor


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Name of the Project
Burnstone gold project.

Balfour area, in Mpumalanga, South Africa.

Project Owner/s

Project Description
The low-cost, extensively predeveloped gold asset was previously operated by Great Basin Gold.

The project has mineral reserves estimated at 20.6-million tonnes grading 3.9 g/t as at December 31, 2021.

Existing infrastructure includes a functional metallurgical facility; an established tailings storage facility; an equipped and functional decline shaft and trackless decline; surface infrastructure, such as offices, workshops and compressors; and extensive underground development and infrastructure.

The relatively shallow underground mining operation will mine the Kimberley reef to an average depth of about 550 m below surface (deepest 1.05 km).

The life-of-mine (LoM) is estimated at 22 years.

The project will produce about 138 000 oz/y of gold at steady state with an LoM to 2044.

Potential Job Creation
At the end of the first half of 2023, there were 740 people on site.

Net Present Value/Internal Rate of Return
The latest optimised project evaluation generates a 20% internal rate of return and a net present value of R1.3-billion at a gold price of R800 000/kg (2022 real terms).

Capital Expenditure
Total project capital of R2.8-billion (from 2021 onwards) and preproduction capital of R1.5-billion is forecast.

In Sibanye’s operating and financial results for the six months ended June 30, 2023, the company reported that capital guidance had been reduced from R1.95-billion for 2023 to R1.6-billion, with R819 million spent in the first half of 2023.

Planned Start/End Date
The timeline to steady-state production has been delayed from December 2025 to August 2026.

Latest Developments
The Burnstone project is 59% complete against a budget of 64%, as a result of industrial action during the first half of 2022 and a tragic incident in April 2023, which delayed the completion of the rock-handling system by about four months.

The mill refurbishment contract has been awarded and surface infrastructure is advancing.

Key Contracts, Suppliers and Consultants
Read, Swatman & Voigt, or RSV (engineering design team for the balance of the engineering design); DLC Town Plan (access surveying and registration of the new servitudes for the new access road to Burnstone); and DTS (appointed for the design change to remove the skips from the shaft using the rock winder bank area).

Contact Details for Project Information
Sibanye-Stillwater executive VP: investor relations James Wellsted,

Edited by Creamer Media Reporter


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