Platinum Group Metals Ltd. (NYSE American: PLG) (TSX: PTM) DFS Update Underscores Waterberg Project Scale, Economic Strength

• The value of an independent feasibility study lies in its ability to transform geological potential into a fully defined business case.
• PLG exemplified the critical role of such evaluations with the release of its updated Definitive Feasibility Study (“DFS”) for the Waterberg Project.
• The Waterberg DFS update laid out a clear path.

Independent feasibility studies are the cornerstone of responsible mining, providing the rigorous analysis needed to determine whether a mineral deposit can be developed economically, safely and sustainably. The studies serve as the industry’s reality check, balancing opportunity with practicality, and help ensure that mining projects are designed for long-term success. Platinum Group Metals (NYSE American: PLG) (TSX: PTM) illustrated this process with its independent Definitive Feasibility Study (“DFS”) for the Waterberg Project, a comprehensive evaluation by independent qualified persons that highlights how thorough planning can optimize mine economics, reduce operational risks and inform strategic decision-making.

The value of a feasibility study lies in its ability to transform geological potential into a fully defined business case. Moving through preliminary, prefeasibility and definitive stages, these assessments provide increasingly more accurate estimates on costs, cash flows, engineering requirements, environmental impacts and permitting strategies. A detailed feasibility study is expected to achieve an accuracy margin within 10–15% (https://ibn.fm/y1mSh), giving stakeholders from investors to regulators the confidence to proceed based on measurable facts rather than speculation. By bridging technical analysis with financial realism, feasibility studies lend credibility to mining projects and play a central role in attracting the capital and partnerships needed to bring them to life.

PLG exemplified the critical role of such evaluations with the release of its updated Definitive Feasibility Study (“DFS”) for the Waterberg Project. The study’s findings reinforce how rigorous feasibility work can optimize mine economics, reduce execution risk and inform strategic planning.

The newest DFS updates the original 2019 Waterberg DFS and was prepared by leading engineering firms Stantec and DRA, with South Africa based Fraser McGill providing project management oversight (https://ibn.fm/sY0U3). Among its headline outcomes, the updated study revealed a 20% increase in proven and probable mineral reserves, totaling 23.41 million ounces of combined platinum, palladium, rhodium and gold (“4E”) across a 54-year mine life. The report also incorporated enhancements that lowered both capital and operating costs, streamlining the construction and ramp-up schedule.

Financial metrics in the updated study provide a window into its economic robustness. At consensus metal prices and an 8% real discount rate, the post-tax net present value (“NPV”) is estimated at $569 million, with an internal rate of return (“IRR”) of 14.2% and peak capital expenditure projected at $776 million. Payback is expected within approximately 5.8 years. Life-of-mine free cash flows are forecast at $6.5 billion (https://ibn.fm/xDeKD).

The operational design aspect underscores the feasibility study’s importance beyond financial modeling. The Waterberg mine is planned as a shallow, decline-accessible, large-scale mechanized operation, which allows for safer, efficient bulk-mining methods using long-hole stoping and underground conveyors. Production is modeled at 4.8 million tonnes of ore per annum, yielding an average of 353,208 4E ounces per year in concentrate, with peak output reaching 432,950 4E ounces. Notably, a favorable ore-to-waste ratio of 14.8, along with measures such as placing 47% of waste underground as backfill, contribute to both cost efficiency and environmental stewardship (https://ibn.fm/6u1QS).

As projects transition from planning to development, feasibility studies serve as derisking tools that bolster investor confidence and guides infrastructure investments. The Waterberg DFS update laid out a clear development timeline: Once construction begins first production is scheduled to occur in just less than four years and ramp-up to steady state is scheduled for just less than seven years.  Permitting milestones such as the issuance of a mining authorization, and environmental approval have been achieved, another signal that confidence grounded in feasibility enables movement toward production.

In-depth studies help mining companies and their financiers answer crucial questions: Is the resource recoverable within acceptable cost structures? Can the project meet safety, environmental and community standards? Will returns justify the investment and scale accordingly?  Waterberg’s updated DFS provides affirmative answers across these dimensions and, in doing so, demonstrates why feasibility studies are indispensable in mining development.

By combining increased resource estimates, robust financials, strategic mine design and community and permitting readiness, the Waterberg updated DFS encompasses the comprehensive scope of a high-quality feasibility study.  It guides Platinum Group Metals toward mid-decade construction, arms decision-makers with actionable data and positions the project within global PGM supply dynamics.

For more information, visit www.PlatinumGroupMetals.net.

NOTE TO INVESTORS: The latest news and updates relating to PLG are available in the company’s newsroom at https://ibn.fm/PLG

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