Silver Mines reaches Bowdens approval finale with 93.5Moz silver reserve

Silver Mines Limited (ASX:SVL) is approaching the most consequential milestone in its Bowdens story with a larger reserve, a simplified royalty structure and fresh capital behind the project. The company said the Independent Planning Commission held its public hearing on 14, 15 and 16 October, with a final determination on the New South Wales development application anticipated soon and potentially due by 9 December 2026.

Bowdens Approval Process Reaches Decision Stage

The NSW Department of Planning, Housing and Infrastructure has provided supplementary advice to the IPC after assessing information supplied by Silver Mines. DPHI said the new material did not fundamentally change its previous assessment of the project’s merits. Its original referral described Bowdens as in the public interest and approvable, subject to strict conditions of consent. That does not amount to an approval, however: the IPC still has to determine the application.

The regulatory process is now attached to a much stronger project case than the one presented in the company’s earlier studies. The July 2026 DFS and updated reserve lifted contained silver to 93.5 million ounces, a 30% increase on the 2024 estimate, with 47.9 million tonnes at 60.8 grams per tonne silver. The project’s A$1.04bn Bowdens DFS supports a reported post-tax NPV of A$736 million and a post-tax IRR of 26% across the full life-of-mine plan.

Stage 2 Adds Scale but Also Uncertainty

The headline 26-year mine plan combines a DFS-backed Stage 1 development with a Stage 2 expansion. Stage 1 covers 29.9 million tonnes, 65.4 million ounces of silver and a proposed 16-year operating period. Stage 2 would add 18.3 million tonnes and extend the projected mine life to 26 years, but its filtered tailings landform remains at pre-feasibility study level. Silver Mines expressly cautioned that this component carries a higher level of uncertainty, even though the combined economics include it.

That distinction matters because the full plan carries A$545 million of life-of-mine capital, compared with A$478 million for Stage 1 alone. Average silver production is also lower across the 26-year plan at 3.2 million ounces a year, versus 3.8 million ounces a year for Stage 1. Silver is expected to provide about 91% of revenue, while silver and zinc together account for approximately 95% under the company’s assumptions.

Royalty Buy-Backs Remove Two Bowdens Claims

Silver Mines completed its Bowdens royalty buy-backs on 29 September for aggregate consideration of A$26 million, comprising A$18 million in cash and A$8 million in shares issued at A$0.145. The transactions extinguished a royalty held by Royalco Resources and acquired Asia Metals 4, which owned a second royalty over EL5920. The company said the move simplifies the project’s royalty structure and increases its direct exposure to future production benefits.

Placement Funds Approvals and Exploration

The quarter also brought a A$70 million placement at A$0.145 per share, with demand exceeding the amount raised. The issue comprises 482.8 million shares, although 205 million shares, including director participation, remain subject to shareholder approval at the 26 November annual general meeting. Proceeds are being directed to Bowdens approvals and engineering, the royalty payments, land access and property purchases, exploration and working capital. The company’s A$70m Bowdens placement was reported as supporting the next approvals and engineering phase.

Silver Mines finished the quarter with A$35.06 million in cash and reported A$3.62 million of exploration and evaluation expenditure. No mining or production took place. Exploration included a 2,500 metre diamond campaign near the Bowdens reserve, gold assay work on historical samples, geophysical surveys at Tuena and further activity at the Calico North and Kramer Hills projects in California. The company also appointed Nicole Brook and Joel Fitzgibbon as independent directors, with Fitzgibbon due to become chair after Keith Perrett retires at the annual meeting, and David Morgan set to join as chief financial officer on 9 November.