PROJECT UPDATE: Kipushi to produce 381 000 t of zinc concentrate

The Kipushi copper-zinc-germanium-silver-lead mine in the Democratic Republic of Congo (DRC) is adjacent to the town of Kipushi and approximately 30 kilometres southwest of Lubumbashi. It is located on the Central African Copperbelt, approximately 250 kilometres southeast of the Kamoa-Kakula Project and less than one kilometre from the Zambian border.

Ivanhoe Mines acquired its 68% interest in the Kipushi Project in November 2011; the balance of 32% is held by the state-owned mining company, Gécamines.

As part of the company’s cost-cutting measures announced on April 27, 2020, Ivanhoe’s board of directors allocated a reduced total budget for 2020 of $28.7 million for the Kipushi Project.

DEFINITIVE FEASIBILITY STUDY

The Kipushi Project’s pre-feasibility study (PFS), announced by Ivanhoe Mines on December 13, 2017, anticipated annual production of an average of 381,000 tonnes of zinc concentrate over an 11-year, initial mine life at a total cash cost of approximately $0.48 per pound (lb) of zinc.

Estimated life-of-mine average cash cost of $0.48/lb of zinc is expected to rank Kipushi, once in production, in the bottom quartile of the cash-cost curve for zinc producers internationally.

The draft feasibility study and development and financing plan for Kipushi are being reviewed by Ivanhoe Mines together with its partner Gécamines. It is anticipated that these discussions will be concluded with the finalization of the feasibility study and the agreement on the development and financing plan by mid-2021.

PROJECT DEVELOPMENT AND INFRASTRUCTURE

Although development and rehabilitation activities in the year ending December 31, 2020 were limited, significant progress has been made in recent years to modernize the Kipushi Mine’s underground infrastructure as part of preparations for the mine to resume commercial production, including upgrading a series of vertical mine shafts to various depths, with associated headframes, as well as underground mine excavations and infrastructure.

A series of crosscuts and ventilation infrastructure still is in working condition and have been cleared of old materials and equipment to facilitate modern, mechanized mining. The underground infrastructure also includes a series of high-capacity pumps to manage the mine’s water levels, which now are easily maintained at the bottom of the mine.

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