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Lone Clone

11/21/25 3:23 PM

#14235 RE: Lone Clone #14234

Moon River Moly Announces Preliminary Economic Assessment of Potential Restart of 25% Owned Endako Molybdenum Mine

HIGHLIGHTS:

Pre-tax net present value ("NPV") of $1.1 billion, internal rate of return ("IRR") of 46%, an after-tax NPV of $790 million and an IRR of 40% at an 8% discount rate and assuming a long-term molybdenum ("Mo") price of US$49.73 per kg (US$22.50 per pound ("lb"));

10-year mine life based on 75,000 tonnes of mill throughput per day or 27.3 million tonnes per-year;

Initial capital cost of $550.9 million including $83.7 million of contingency;

Annual average production of 9.3 million kg or 20.5 million pounds of Mo;

Average cash cost of US$25.60 per kg or US$11.61 per lb and All-In Sustaining Cost ("AISC") of US$29.85 per kg or US$13.54 per lb of Mo;

Open pit mine with flotation processing facilities on site;

A measured and indicated mineral resource of 335.7 million tonnes grading 0.072% MoS2 (0.0 43 % Mo) (see Table 1.1;

A 2.2-year payback;

Life-of-mine direct income and mining taxes in excess of $609 million;

Potential Project enhancements from the use of ore bucket sorting technology and ore particle sorting ("OPS") technology.

All dollar amounts are stated in Canadian Dollars unless otherwise noted.

https://www.newsfilecorp.com/release/275365/Moon-River-Moly-Ltd.-Announces-Preliminary-Economic-Assessment-of-Potential-Restart-of-25-Owned-Endako-Molybdenum-Mine

November 21, 2025 7:00 AM EST | Source: Moon River Moly Ltd.

Toronto, Ontario--(Newsfile Corp. - November 21, 2025) - Moon River Moly Ltd. (TSXV: MOO)