Northam opens R6.3bn Zondereinde 3 shaft to extend mine life by 40 years

Northam Platinum has opened the new 3 shaft at its Zondereinde mine in Limpopo, a R6.3bn development that took five and a half years to complete and is intended to keep the operation producing for decades.

The shaft, opened in mid-July 2026, gives Zondereinde access to about 4km of virgin ground. Chief executive Paul Dunne said at the opening ceremony, according to Miningmx, that the mine produced 333,000oz of 4E metals in the year to June 2026, and that the combination of 3 and 4 shafts would allow it to keep mining for another 40 years while lifting output above 400,000oz a year.

Building against the cycle

The project stands out because most South African PGM producers have been reluctant to commit large sums to expansion, even after prices rallied. Nedbank's Arnold van Graan told Miningmx that Northam was one of the few companies to have made countercyclical investment work, pointing to the construction of Booysendal during the last downturn and the continued push at Eland and in processing capacity during difficult years.

In May, Dunne said the Northam board had approved a R500m capital programme giving the company the option to expand Zondereinde beyond its nameplate capacity of 350,000oz a year to more than 400,000oz. The new shaft, together with 4 shaft, is central to reaching that higher level.

Why the UG2 at Zondereinde matters

Zondereinde's appeal lies partly in its metal mix. Mergence Investment Managers analyst Malose Mamashela noted that Northam's UG2 reef carries a high share of the so-called minor metals, such as iridium, ruthenium and rhodium, which gives it more exposure to the parts of the basket that have performed best. Dunne said demand for ruthenium, Northam's third-largest metal by volume, had been boosted by its use in hard-disk coatings for data centres and in nylon production, and that the ruthenium price had risen from about $700 an ounce a year earlier to about $1,550.

Investor interest has followed. Miningmx reported that BlackRock raised its stake in Northam to 5% in the same week, after similar moves into Sibanye-Stillwater and Impala Platinum earlier in the year.

The risks

A 40-year life is a long bet on prices that are notoriously cyclical. At the time of the opening, platinum was trading at $1,649 an ounce, well below its 26 January peak of $2,878, after the conflict involving the US and Iran pushed investors away from precious metals. Van Graan said the sector might be entering a period of uncertainty that could last for some time. Northam's wager is that constrained supply will outlast those swings, and Dunne has repeatedly argued that South African primary production will keep declining without new investment.

Sources

• Miningmx: Northam Platinum's 'mine without end' exposes SA's supply crisis, 22 Jul 2026
• Miningmx: Is this a new era for platinum? Its miners think so, 08 May 2026

Photo: Bushveld landscape near Thabazimbi in Limpopo, close to Northam's Zondereinde mine. hermansmit, Wikimedia Commons, CC BY-SA 3.0.