Northern Star rejects Gold Fields bid for Northern Star stock

Published on 10/02/2026 at 05:24 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

Northern Star stock had a EUR 14.68 prior close on September 30, 2026. Gold Fields offered AUD 27.00 per share at a 14.00 percent premium.

Northern Star, AU000000NST8, Illustration mit AI erstellt.

Northern Star Resources (ISIN AU000000NST8) rejected Gold Fields' AUD 38.7 billion takeover proposal on September 28, 2026, according to Reuters. The offer implied AUD 27.00 per Northern Star share, while the board said the proposal materially undervalued its assets.

Gold Fields offer falls short

The proposed consideration combined 0.3125 Gold Fields shares with AUD 7.25 in cash for each Northern Star share. Reuters reported that the implied value later fell to AUD 25.19 after Gold Fields' share price declined, reducing the premium to 14.00 percent.

The rejection also leaves Northern Star shareholders exposed to the company's own operating plan rather than a transaction premium. Reuters reported that Northern Star cited jurisdictional risk from the equity component and the timing ahead of the Fimiston Mill ramp-up.

KCGM expansion sets the test

Northern Star's FY27 plan targets gold production of 1.50 million to 1.65 million ounces at an all-in sustaining cost of AUD 3,050 to AUD 3,450 per ounce, according to OreCast on September 21, 2026.

The same report puts the KCGM expansion cost at AUD 1.75 billion to AUD 1.81 billion, compared with an initial AUD 1.53 billion estimate. Stage I commissioning is scheduled through October, making execution the next measurable test of Northern Star's valuation.

Profit gives the board leverage

Northern Star delivered underlying EBITDA of AUD 4.3 billion and underlying net profit after tax of AUD 1.8 billion in fiscal year 2026, according to Quartr in its September 20, 2026 presentation summary. The company also reported 88.9 million ounces of mineral resources and 28.4 million ounces of ore reserves as of March 2026.

For investors, the rejected bid places the emphasis on whether production growth and mill commissioning can support the board's claim that the offer undervalued the business. The gap between the AUD 27.00 proposal and the revised AUD 25.19 implied value also shows how much the equity component depends on Gold Fields' share price.

Prior close remains EUR 14.68

Northern Star's prior close at Lang & Schwarz was EUR 14.68 on September 30, 2026. The Australian Securities Exchange listing is NST, and the primary-market snapshot showed a market capitalization of AUD 34.5 billion on October 2, 2026.