Northern Star rejects Gold Fields' bid; the A$27 offer may now be worth less than Northern Star's own shares

Australia's Northern Star Resources confirmed on Monday that it rejected an unsolicited takeover proposal from South Africa's Gold Fields, a deal headlines at Reuters and the Wall Street Journal valued at about $27 billion and that would have created the world's second-largest gold miner. Northern Star's board called the approach "opportunistic" and said it undervalued the company, in an announcement to the ASX.

What was on the table

The proposal, received on Sept. 14, offered 0.3125 new Gold Fields shares plus A$7.25 in cash for each Northern Star share. Northern Star's own figures:

The board listed four objections: the price, the heavy stock component and the "jurisdictional and operational risks" it would bring, the timing ahead of the ramp-up of the Fimiston Mill and the arrival of incoming CEO Suresh Vadnagra, and conditions that included a request for "hard" exclusivity with no fiduciary out, due diligence and approval from the South African Reserve Bank. Northern Star told Gold Fields on Sept. 25 it would not engage further.

The offer is shrinking while it sits there

Because most of the consideration is Gold Fields stock, the offer's value moves with Gold Fields' share price. It had already fallen from A$27.00 to A$25.19 in two weeks, by Northern Star's count. At Friday's price the stock part was worth about A$17.94 a share.

On Monday Gold Fields' New York-listed shares were down 11.5% at $35.74 by 9:52 a.m. ET, from $40.38, according to Nasdaq.com. Spot gold fell about 2.8% to near $4,165 an ounce, a seven-week low, as oil lifted Treasury yields and bets on another Fed hike, Kitco reported. If the stock component falls by the same 11.5%, the offer works out to roughly A$23.1 a share (our estimate, which ignores currency moves and any gap between the New York and Johannesburg prices).

Northern Star closed Monday in Sydney at A$23.47, up 6.2%, according to the ASX. On that rough math, the rejected bid is now worth slightly less than the target's own share price, and the market is pricing Northern Star as if a better offer, or none, is the more likely outcome.

Miners caught the gold selloff too

The drop in Gold Fields was not only about the bid. Gold miners fell across the board as bullion slid: AngloGold Ashanti was down 5.8%, Harmony Gold 5.3% and Newmont 3.9% in early New York trading, per Nasdaq.com. Gold Fields fell about twice as far as its peers, a gap the metal price alone does not explain.

What traders will watch: whether Gold Fields raises the cash portion, which was capped at A$10.4 billion under the proposal's mix-and-match terms, or takes an offer directly to shareholders, and whether gold holds $4,100 through this week's PCE and payrolls data. More on the metal: gold chart and gold's slide below $4,300 last week.

Sources: Northern Star Resources ASX announcement, Sept. 28, 2026; ASX and Nasdaq.com quotes; Kitco; WSJ. The A$23.1 estimate is our calculation. This is market information, not investment advice.