In mining streaming agreements, the answer depends on the terms you negotiate and the metrics you keep tracking. Streaming can be a powerful source of non-dilutive capital for mining companies.

But it can also transfer a significant share of future upside to the streamer.

The challenge is that too many negotiations are framed around headline terms: upfront payment, streamed metal percentage, ongoing purchase price and duration.

Those terms matter. But they do not tell whether the deal is good or bad.

To understand the real economics, both sides need to quantify the value trade-off. A stream may provide upfront capital today, but the cost is embedded in future revenue. The key metrics are:

• NPV cost to the operator – How much project value is given up after discounting the future stream cost?
• Payment / NPV cost ratio – For every $1 of discounted future value transferred, how much does the mining company receive upfront?
• Effective stream financing rate – If the stream is treated like a financing instrument, what is the implied cost of capital?
• Streamer’s NPV and IRR – What return does the streamer earn from the upfront payment and future margin?
• Cash-on-cash multiple – How many times is the initial investment recovered over the life of the stream?
• Effective realised metal price after the stream – A project may use a particular market price, but the blended realised price after the stream can be materially lower.
• Cumulative stream margin – How much total future margin is transferred from the operator to the streamer?

These metrics are not only useful at signing. They are just as important during the life of the agreement. As metal prices move, mine plans change, production forecasts are updated, and development timelines shift, the economics of the stream also change. That creates a need for ongoing mark-to-market analysis. A streaming agreement should not be viewed as a static document sitting in a data room. It is a live economic instrument.

For operators, this means understanding the true cost of capital and the upside value being transferred.

For streamers, it means understanding return, payback, downside risk and portfolio value.

For investors, boards and lenders, it means having a transparent framework to assess whether the agreement is value-accretive, neutral or destructive.

At Stormlands Mining, we have built streaming and royalty functionality directly into our mining valuation platform. The objective is simple: Turn streaming terms into measurable economics. So users can negotiate with data, compare scenarios, and mark-to-market agreements across the life of a mine. Because in mining finance, a good deal is not defined by the headline payment. It is defined by the value exchanged. What metrics do you use to determine if the deal is good or bad? To learn more about how Stormlands Mining is creating a modern operating system for mining investment, get in touch or follow us for further updates.