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GOLDPRODUCTION UPDATEPROJECT ECONOMICS

St Ives Gold Mine Production Update: $221M NPV Over a 9-Year Mine Life

ByMining Stocks Research
Jul 31, 2026
Source:Gold Fields Limited
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Gold Fields Limited's St Ives Gold Mine in Australia – Western Australia (approx. 80 km south-southeast of Kalgoorlie-Boulder) has a production guidance outlining a pre-tax NPV of $221M. The proposed mine plan runs 9 years.

Gold Fields Limited's St Ives Gold Mine has reported production guidance results for the gold project in Australia – Western Australia (approx. 80 km south-southeast of Kalgoorlie-Boulder). The study headlines a pre-tax net present value of $221M. It reflects Gold Fields Limited's (GFI) latest disclosed economics for the asset.

Economics. The pre-tax NPV is $221M. Economics are based on Mineral resources based on a gold price of $1,725/oz; mineral reserves based on a gold price of $1,500/oz.

Production and mine plan. The project envisions an open-pit & underground operation. Life of mine is 9 years. Average head grade is 3.6 g/t gold (total mineral reserves).

Resources and ownership. The company holds a 100% interest in the project. Royalties and streams: Western Australian Government ad valorem royalty of 2.5% for gold; third party royalties payable of 0.9%.

These figures are extracted from Gold Fields Limited's technical disclosures and reflect the most recent Production Update on file. Compare this project against other developers and producers in our project economics database, and always verify the numbers against the original technical report before making any investment decision.

Reserves & Resources

Mineral Reserves (P&P)
CategoryTonnageGradeContained
Proven5,736 kt2.4 g/t gold434 koz gold
Probable23,228 kt3.9 g/t gold2,913 koz gold
Proven & Probable28,964 kt3.6 g/t gold3,347 koz gold
Mineral Resources (M&I&I)
CategoryTonnageGradeContained
Measured840 kt2.6 g/t gold69 koz gold
Indicated11,114 kt2.7 g/t gold964 koz gold
Measured & Indicated11,953 kt2.7 g/t gold1,033 koz gold
Inferred11,835 kt4.5 g/t gold1,703 koz gold
Mining Stocks Research

Our Analysis

NPV pre-tax
$221M

higher than 31% of 193 projects we track

Mine life
9yrs
Study price assumption
Mineral resources based on a gold price of $1,725/oz; mineral reserves based on a gold price of $1,500/oz
Spot gold today
$4,200.70/oz

Among the 193 gold projects we track, this one's $221M pre-tax NPV ranks ahead of only 31% of them. That is the whole story in one line: a mid-table asset, not a standout, and the ranking is the most useful thing an investor can take from it. There is no outlier here to get excited about, and equally no disaster to avoid. What the rank tells you is that this is a modest operation by the standards of the peer set, and it should be valued as one.

The constraint that matters most is scale, and it runs in an unusual direction. This is a US$32.80B large-cap with 15 projects in our coverage, so the $221M NPV sits well below the company's market cap on a rough currency-adjusted basis. That is the mirror image of the usual junior problem: there is no financing cliff here, no build that has to be funded against a fraction of the equity value. The trade-off is relevance. A project of this size barely moves the needle for a company this large, and it is one of fifteen, so it will be judged on portfolio contribution rather than as a company-maker.

The context reinforces that read. These are operating-mine figures rather than a forward study, with a 9-year mine life unchanged from the prior filing, in Western Australia, south-southeast of Kalgoorlie-Boulder. The study's price assumptions, $1,725/oz for resources and $1,500/oz for reserves, sit well below today's $4,200.70/oz spot, so the economics carry real headroom if prices hold. The question that decides whether this matters to the equity is whether a mid-table, nine-year asset can ever be more than a rounding error inside a portfolio of fifteen.

Our take, benchmarked against the project economics in the Mining Stocks database. Figures are estimates drawn from company technical reports — not investment advice; always verify against the source filing.

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Gold Fields Limited
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