South African mining giants’ R445 billion international expansion shut down
Northern Star, an Australian mining firm, rejected an “opportunistic” plan by Gold Fields to acquire 100% of the company for approximately R445.3 billion.
The news comes after Bloomberg reported on Saturday, 26 September, that Gold Fields had expressed interest in acquiring the Australian mining giant.
Gold Fields is a major player in South Africa’s mining industry, with domestic and international operations and a market cap of approximately R586 billion.
The company controls several mines in South Africa, including South Deep in the Witwatersrand basement.
Internationally, Gold Fields has a presence in Australia, Ghana, Peru, Chile, and Canada.
Bloomberg reported that Gold Fields had made a confidential purchase offer to Northern Star, which Northern Star had rejected.
“South Africa’s Gold Fields has expressed interest in acquiring Northern Star Resources, according to people with knowledge of the matter,” Bloomberg said.
The deal came after Northern Star had reportedly struggled in recent months, leading to investor scrutiny.
On the Australian Stock Exchange (ASX), Northern Star has seen its share prices stagnate in the year to date, following a strong rally at the start of the year.
At the start of the year, Northern Star shares traded at AU$24.43 (R281.14) and declined slightly to AU$22.11 (R254.48) on 25 September, before the purchase offer was disclosed.
Responding to media speculation, Northern Star issued a statement on the ASX news service confirming that Gold Fields had approached it.
“Northern Star Resources notes recent media commentary… and confirms that it received, considered, and rejected a confidential, opportunistic, unsolicited, and conditional non-binding indicative proposal from Gold Fields,” the company said.
“On 25 September 2026, Northern Star informed Gold Fields that the board does not consider it appropriate to engage further in relation to the indicative proposal.”
Gold Fields offered AU$27.00 per share for the acquisition, with an implied equity value of AU$38.7 billion (R445.3 billion).
This proposal was 22% higher than Northern Star’s closing share price on 11 September, AU$22.08 (R254.03).
Gold Fields turned away
Northern Star said it had rejected the proposed acquisition because it did not reflect the company’s true long-term value.
The company also described the offer as “highly opportunistic” and noted that the proposal included several conditions, including a request for a period of “hard” exclusivity.
It said the regulatory approval process required for the proposed acquisition would also expose its shareholders to a “prolonged period of uncertainty”.
Northern Star Chairman, Michael Chaney, said the company’s board had unanimously rejected the proposal.
“Gold Fields has sought to acquire one of the world’s premier gold portfolios at a price that falls well short of what the board considers to be its fundamental value and at a highly opportunistic time,” he said.
“The board has unanimously rejected the indicative proposal.”
On Monday, 28 September 2026, Gold Fields issued a statement on the Stock Exchange News Service, confirming the confidential proposal and providing its rationale for the deal.
“The approach to Northern Star is consistent with Gold Fields’ strategy to improve the quality and value of its portfolio through investment in high-quality, long-life assets,” the company said.
Gold Fields CEO, Mike Fraser, said the acquisition would “bring proven operational and development capability to Northern Star’s portfolio.”
“While we are disappointed that the Northern Star Board has not yet chosen to engage on a proposal that we continue to believe offers compelling strategic and financial benefits for both sets of shareholders, we remain open to constructive dialogue,” he said.
The company noted that while it remains open to discussions about the proposed transaction, there are no guarantees that the acquisition will proceed.
“There can be no certainty that any further engagements with Northern Star will materialise, or that a transaction will be successfully concluded,” Gold Fields said.
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