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Silver Mines Limited ASX: SVL / OTC: SLVMF
Introduction
Silver Mines Limited is an Australian silver development and exploration company listed on the ASX under the ticker SVL. Its flagship asset is the 100 percent owned Bowdens Silver Project in New South Wales, Australia. Bowdens is the largest known undeveloped silver deposit in Australia, located approximately 26 kilometres east of Mudgee in central west New South Wales. The company describes Bowdens as a project with substantial resources, a large body of completed technical work, and strong logistics for future mine development.
The bull case is simple: Silver Mines controls Australia’s largest undeveloped silver project in a Tier 1 jurisdiction, with an updated Mineral Resource, an updated Ore Reserve, a completed feasibility-level optimisation study, and meaningful silver price leverage. The project already has a defined open-pit mine plan, a 2.0Mtpa processing plant design, and a long operating life of around 16.5 years.
The main issue is also clear: Bowdens previously received NSW state development approval in April 2023, but that consent was later set aside by the NSW Court of Appeal in August 2024. The company is now progressing a redetermination pathway through the NSW Department of Planning, Housing and Infrastructure, including refreshed ecological surveys and an updated biodiversity assessment. This makes Silver Mines a strong silver-development story, but also a permitting-recovery story.
The upside comes from four things: large silver resource, open-pit development plan, low AISC, and a major re-rating if Bowdens regains development consent. The key risk is that the project still needs the approval pathway to be completed before construction and production can realistically move forward.
Projects / Location / MRE / Grades
Project 1: Bowdens Silver Project, New South Wales (Flagship Development Asset)
| Item | Details |
| Main asset | Bowdens Silver is the company’s flagship project and the main valuation driver. It is located around 26 kilometres east of Mudgee in central west New South Wales. The project sits within Exploration Licence 5920 and is 100 percent held by Silver Mines. The proposed development is an open-cut mine with processing facilities using a conventional milling circuit and bulk flotation to produce a high precious-metals concentrate for sale to smelters. This is not a remote greenfield project with no plan. Bowdens already has a defined development concept, an open-pit mine design, a processing route, updated reserves, updated resources, and an optimisation study. The project’s consolidated land package covers approximately 2,115 square kilometres and roughly 80 kilometres of strike of the mineralised Rylstone Volcanics, giving the company district-scale exploration optionality beyond the main deposit. |
| Grade feel | Bowdens is not a super high-grade underground silver vein project like some Mexico or Nevada silver stories. It is more of a large-scale, open-pit silver-lead-zinc project with meaningful by-product credits. The December 2024 Mineral Resource is 179Mt at 31 g/t silver, 0.39 percent zinc, 0.28 percent lead and 0.07 g/t gold, containing 180Moz silver and 334Moz silver equivalent. Within that, Measured and Indicated resources are 143Mt at 36 g/t silver for 164Moz silver and 278Moz AgEq. The Ore Reserve is 32.8Mt at 68 g/t silver, 0.38 percent zinc and 0.29 percent lead, containing 71.7Moz silver, 123.3kt zinc and 95.6kt lead. This is the higher-confidence mineable portion of the project and excludes inferred resources. Grade-wise, Bowdens is not extremely high grade on a global underground basis, but it is strong enough for an open-pit development because of scale, by-product credits, established metallurgy, and low forecast AISC. |
| Mineral Resource Estimate | Silver Mines’ updated December 2024 Mineral Resource Estimate for Bowdens is: • Measured: 100Mt at 42 g/t Ag, 0.37% Zn, 0.27% Pb and 0.03 g/t Au • Indicated: 43Mt at 21 g/t Ag, 0.41% Zn, 0.28% Pb and 0.11 g/t Au • Measured & Indicated: 143Mt at 36 g/t Ag, 0.38% Zn, 0.27% Pb and 0.06 g/t Au • Inferred: 36Mt at 14 g/t Ag, 0.42% Zn, 0.32% Pb and 0.14 g/t Au • Total Resource: 179Mt at 31 g/t Ag, 0.39% Zn, 0.28% Pb and 0.07 g/t Au • Contained silver: 180Moz • Contained silver equivalent: 334Moz AgEq This gives Silver Mines one of the larger undeveloped silver resource bases in the listed junior market. The resource is not just silver either. Zinc, lead and gold credits matter, because they help reduce silver-equivalent operating costs and improve project margins. |
| Ore Reserve | The Bowdens Ore Reserve is estimated at: • Proved: 31.5Mt at 68.7 g/t Ag, 0.38% Zn and 0.30% Pb • Probable: 1.3Mt at 50.6 g/t Ag, 0.19% Zn and 0.16% Pb • Total Reserve: 32.8Mt at 68.0 g/t Ag, 0.38% Zn and 0.29% Pb • Contained silver: 71.7Moz • Contained zinc: 123.3kt • Contained lead: 95.6kt The important point is that no inferred material is included in the Ore Reserve. This makes the current mine plan more reliable than a PEA-style project relying heavily on inferred resources. |
| Optimisation Study Economics | The December 2024 optimisation study is the current valuation anchor for Silver Mines. Key project figures: • Mine life: 16.5 years • Processing plant: 2.0Mtpa • Pre-production capex: A$331M in the company presentation, with the optimisation announcement also referring to total capital cost of A$346M including mining pre-production • LOM AISC: A$24.81/oz, approximately US$16/oz • Post-tax NPV5%: A$253M • Post-tax IRR: 18% • Post-tax payback: 3.9 years • LOM post-tax undiscounted cash flow: A$469M • Operating margin: A$948M • Forecast single high-grade silver concentrate production The economics are decent, but not explosive at the study silver price assumptions. The reason Silver Mines becomes interesting is silver price leverage. At much higher silver prices, the same 71.7Moz reserve base can generate very large margin expansion. The key attraction is the AISC. AISC of around US$16/oz is very low compared with a silver price environment above US$50, US$100, or higher. If silver enters a structural bull market, Bowdens could become a highly strategic Australian silver asset. The weakness is that the base-case post-tax NPV of A$253M is not massively above the company’s current market cap. This means the stock is already pricing in some probability of approval recovery and higher silver prices. The real upside depends on both permitting success and a stronger silver price. |
Project 2: Rockwell / Coomber Silver Prospect NSW Exploration Upside
| Item | Details |
| Regional silver optionality | Rockwell, previously known as the Coomber Silver Prospect, is located around 22 to 23 kilometres southeast of the Bowdens Silver Deposit within the company’s NSW tenement package. It was originally discovered by CRA in 1989, shortly after the discovery of Bowdens. Historic drilling in 1991, 1994 and 1997 returned silver-dominant mineralisation, including 36m at 105 g/t Ag from 18m, 20m at 69 g/t Ag from surface, and 10m at 89 g/t Ag from 34m. Rockwell is interesting because it sits on the rim of a volcanic caldera, with geology that the company compares to the Bowdens Silver Deposit environment. The company notes that silver mineralisation above 10 g/t has been intersected in 24 of 40 historic drill holes, and the mineralised footprint covers around 900 metres by 700 metres, with mineralisation still unbounded. This is not yet a resource-stage asset, but it provides meaningful district upside. If Bowdens is the mine-development engine, Rockwell is one of the exploration options that could eventually extend the regional story. |
Project 3: Calico North and Kramer Hills US Silver-Gold Optionality
| Item | Details |
| US silver-gold optionality | In 2025, Silver Mines expanded its exploration portfolio into the United States through Calico North and Kramer Hills in San Bernardino County, California. Calico North covers approximately 20 square kilometres over one of the largest silver camps in the United States, with almost 40 kilometres of potential strike. Kramer Hills covers approximately 48 square kilometres and includes the historic Shaherald oxide gold mine area. During the March 2026 quarter, Silver Mines reported field mapping and rock-chip sampling at Calico North. Out of 219 rock-chip samples, 41 returned more than 50 g/t silver and 21 returned more than 100 g/t silver, including highlights of 1,960 g/t Ag, 435 g/t Ag and 340 g/t Ag. Barite was also confirmed, with high-grade barium assays reported. This gives Silver Mines additional silver-gold exploration optionality outside Australia. However, the main valuation driver remains Bowdens. Calico North and Kramer Hills are bonus upside, not the core reason to own the stock today. |
Project 4: Tuena Project NSW Gold / Base Metal Optionality
| Item | Details |
| Early-stage optionality | The Tuena Project is located in the Southern Tablelands of New South Wales, around 180 kilometres west of Sydney and 80 kilometres south of Orange. It sits along the regionally significant Copperhannia-Godolphin Fault corridor. The company completed seven diamond drill holes for 1,705 metres during the December 2025 quarter, targeting gold and base-metal mineralisation at the Pickers, Barite and Elsienora prospects. Reported results were generally low-grade but indicate a broader mineralised system. The best historical or nearby-style targets such as Cuddyong and Nobbs Reef are still worth follow-up. For now, Tuena is early-stage optionality. It does not drive the valuation. |
Share Structure / Ownership / Insiders
Capital Structure
| Category | Details |
| Capital structure | Based on the February 2026 investor presentation, Silver Mines had: • Shares on issue: 2,152.4M • Cash: A$40.5M at end December 2025 • Listed options: 66.95M, exercisable at A$0.1196, expiring June 2026 • Incentive options and rights: 31.7M • Approximate fully diluted shares: 2,251M The March 2026 quarterly report showed cash of A$33.5M at quarter end, with estimated funding available for 7.18 quarters at the then-current expenditure rate. Recent ASX market data showed SVL trading around A$0.18 with a market capitalisation around A$388M. Using approximate fully diluted shares of 2.251B and A$0.18/share: • Approximate fully diluted market cap: A$405M • Approximate USD fully diluted market cap: around US$290M, assuming AUD/USD around 0.71 |
| Share structure feel | The share structure is heavy. Over 2.1B basic shares and roughly 2.25B fully diluted shares means the company already has a large share count. This is common among long-life Australian development stories, but it does reduce per-share torque compared with a tighter junior. The positive side is that the company still has meaningful cash, and the listed options can bring in additional funds if exercised. The negative side is that Bowdens will still need major project financing before construction. Even with A$33.5M cash, this is not enough to build a A$331M to A$346M project. Future debt, equity, offtake, streaming, royalty, or strategic funding will likely be required. |
| Ownership / Insiders | Visible director ownership appears relatively low. Public management data shows Jonathan Battershill, Keith Perrett and Kristen Podagiel holding small percentages individually, while external holders include institutions such as Franklin Advisers and Konwave. Overall ownership alignment looks weaker than the best founder-led mining juniors. This is not a deal breaker, but it is not a strong insider-alignment story. |
People / Management
| Person | Role | Details | Management Feel |
| Jonathan “Jo” Battershill | Managing Director / CEO | Jo Battershill became Managing Director effective 1 January 2024. He has a Bachelor of Engineering in Geology from the Camborne School of Mines and more than 25 years of experience across mining, business development and finance. His background includes senior operational and business development roles with WMC Resources, plus capital markets experience at Hartleys, Citigroup, UBS and Canaccord. He was also voted as one of Australia’s leading mining analysts between 2009 and 2015. | Management feel: Jo gives Silver Mines strong geology, finance and capital markets credibility. That is useful because the company must now navigate permitting, project finance, and market positioning. The main question is whether he and the team can transition from development and approvals into construction and production. |
| Keith Perrett | Non-Executive Chairman | Keith Perrett is the company’s Chairman and has served on the board for many years. His background is more corporate and governance-oriented rather than mining operations. He provides board continuity. | Management feel: Good for stability, but not the main technical driver. |
| Kristen Podagiel | Non-Executive Director | Kristen Podagiel has more than 20 years of legal and commercial experience across major projects, resources, technology, agriculture, energy and defence. She was previously CEO and Managing Partner of McCullough Robertson, a major Australian independent law firm. | Management feel: Very relevant for Silver Mines because Bowdens is currently a permitting and approvals story. Legal, regulatory and stakeholder experience matters. |
| Robert Dennis | Non-Executive Director | Robert Dennis is a mining engineer with around 50 years of experience across nickel, copper, gold and alumina. His background includes operational, technical and project development experience. Public bios note that he was previously CEO and Managing Director of Poseidon Nickel and COO of Independence Group, where he oversaw nickel, copper, zinc and gold operations and the development and commissioning of the Nova Nickel Project. | Management feel: This is important. Rob Dennis adds real mine development and operating experience, which is exactly what Silver Mines needs if Bowdens moves toward construction. |
| Trent Franklin | Company Secretary / Finance | Trent Franklin has finance, financial planning, insurance broking and geology/geophysics qualifications. He has been associated with Silver Mines’ finance and corporate function for years. | Management feel: Useful corporate continuity, but the big test is project financing and development execution. |
Risks / Catalysts / Timeline
Key Risks
| Risk | Why It Matters |
| Permitting risk | Bowdens’ development consent was set aside by the NSW Court of Appeal in August 2024. The company is now pursuing redetermination through the NSW planning system. |
| Biodiversity assessment risk | The company is refreshing ecological surveys and preparing an updated biodiversity assessment under the Biodiversity Conservation Act 2016. Delays or new findings could extend the approval timeline. |
| Financing risk | Bowdens requires around A$331M to A$346M of pre-production or total capital before production. Silver Mines does not currently have enough cash to build the mine without external financing. |
| Dilution risk | The company has over 2.1B shares on issue and may need additional equity funding before production. |
| Study risk | The optimisation study economics depend on assumptions for metal prices, costs, recoveries, construction costs, royalties and exchange rates. |
| Commodity price risk | Bowdens is highly sensitive to silver prices. If silver falls, the project becomes less attractive. If silver rises, the torque improves significantly. |
| Open-pit mining risk | Even open-pit projects face grade control, dilution, waste movement, pit wall stability, processing consistency and cost inflation risks. |
| Concentrate marketing risk | Bowdens plans to produce a high-grade silver concentrate for off-site smelting. Treatment charges, payability, penalties and shipping costs matter. |
| Legal / community risk | Bowdens has already faced legal challenges. Further challenges or community opposition could delay or complicate development. |
| Execution risk | Moving from studies and approvals into financing, construction and production is a major step. |
Catalysts
| Timeline | Catalyst |
| Mid-2026 | Submission of updated biodiversity assessment to DPHI |
| 2026 | Further progress on Bowdens DA redetermination |
| 2026 | Potential updated assessment report from DPHI to the Independent Planning Commission |
| 2026 | Further Rockwell exploration work and drill planning |
| 2026 | Calico North and Kramer Hills drill planning |
| H2 2026 | USGS SkyTEM survey results expected for Calico North and Kramer Hills |
| 2026 onward | Possible Bowdens approval reinstatement |
| 2026 onward | Potential project financing discussions |
| Medium term | Construction decision if approvals and funding are secured |
| Medium term | Possible strategic partner, offtake, royalty, stream, debt or equity package |
| Silver price catalyst | Higher silver prices could materially improve project economics and investor interest |
Expected Timeline to Full Production
| Period | Expected Progress |
| 2026 | The main focus is Bowdens approval recovery. Silver Mines is progressing refreshed ecological surveys and an updated biodiversity assessment, with submission expected by mid-2026. After that, DPHI is expected to provide an updated assessment report to the Independent Planning Commission for redetermination. Exploration work is also continuing at Rockwell, Calico North, Kramer Hills and Tuena. |
| 2027 | If the DA redetermination process is successful, 2027 could become the year Silver Mines moves into financing, final pre-construction work, and a potential development decision. This depends heavily on timing of approval reinstatement. |
| 2028 onward | If approvals, financing and construction proceed smoothly, Bowdens could move toward mine construction and eventual production. However, because the project still needs approval reinstatement and funding, exact production timing remains uncertain. |
Valuation Summary
FCF Multiple Model at US$150/oz and US$200/oz Silver
This is a simplified free cash flow valuation model. It uses the company’s published 2024 optimisation study post-tax undiscounted cash flow as the base, then adds silver price upside using estimated recoverable silver from the Ore Reserve.
This model is aggressive and simplified. It does not adjust for higher taxes, royalties, cost inflation, debt, interest, financing costs, hedging, smelter terms, exchange-rate changes, construction delays, or future dilution.
| Base Assumption | Value |
| Base silver price used in reserve assumptions | US$29/oz |
| Ore Reserve silver | 71.7Moz |
| Silver recovery assumption from company AgEq notes | 86.2% |
| Estimated recoverable silver | 61.8Moz |
| Mine life | 16.5 years |
| Base LOM post-tax cash flow | A$469M |
| Fully diluted shares used | 2.251B |
| AUD/USD assumption | 0.70 |
| Assumption | Base metal by-product credits held constant |
| Assumption | Only silver price uplift is modelled |
US$150/oz Silver Scenario
| Step | Calculation |
| Step 1 – Silver Price Uplift | US$150 − US$29 = US$121/oz |
| Step 2 – Convert to AUD | US$121 ÷ 0.70 = A$172.86/oz |
| Step 3 – Extra Silver Revenue | 61.8Moz × A$172.86 = A$10.68B |
| Step 4 – Adjusted LOM FCF | A$469M + A$10.68B = A$11.15B |
| Step 5 – Average Annual FCF | A$11.15B ÷ 16.5 years = A$676M/year |
| Bowdens Valuation at US$150/oz Silver | • 10× FCF = A$6.76B market value = A$3.00/share • 15× FCF = A$10.14B market value = A$4.51/share • 20× FCF = A$13.52B market value = A$6.01/share |
US$200/oz Silver Scenario
| Step | Calculation |
| Step 1 – Silver Price Uplift | US$200 − US$29 = US$171/oz |
| Step 2 – Convert to AUD | US$171 ÷ 0.70 = A$244.29/oz |
| Step 3 – Extra Silver Revenue | 61.8Moz × A$244.29 = A$15.10B |
| Step 4 – Adjusted LOM FCF | A$469M + A$15.10B = A$15.57B |
| Step 5 – Average Annual FCF | A$15.57B ÷ 16.5 years = A$943M/year |
| Bowdens Valuation at US$200/oz Silver | • 10× FCF = A$9.43B market value = A$4.19/share • 15× FCF = A$14.15B market value = A$6.29/share • 20× FCF = A$18.86B market value = A$8.38/share |
Valuation Summary Table
| Silver Price | Asset | Avg Annual FCF | 10x FCF/share | 15x FCF/share | 20x FCF/share |
| US$150/oz | Bowdens | A$676M | A$3.00 | A$4.51 | A$6.01 |
| US$200/oz | Bowdens | A$943M | A$4.19 | A$6.29 | A$8.38 |
This valuation is very aggressive. It is designed to show silver-price torque, not a guaranteed target price. In reality, higher silver prices would likely bring higher taxes, higher royalties, cost inflation, stronger labour competition, financing changes, and possibly different mine-plan assumptions.
Summary & Quick Scorecard
| Category | Criteria / Details | Overall | Commentary |
| Company Overview | • Stock ticker: Silver Mines Limited ASX:SVL / OTC:SLVMF • Main metal: Silver • Project phase: Advanced developer / permitting redetermination • Flagship project: Bowdens Silver Project • Project location: New South Wales, Australia | – | |
| 1. Management | Previous successful project, discovery, mine build, or company sale: Partial Exploration to development: Yes Big mining company experience: Yes Strong capital markets track record: Yes Operational / mine-build experience: Yes, strengthened by Rob Dennis | ✅ Strong | Commentary: Management has strong geology, finance, legal and operational experience. Jo Battershill brings capital markets and mining-sector knowledge. Robert Dennis adds important mine development and operating experience. The team is credible, but the main test is still ahead: approval recovery, financing, construction, and production. |
| 2. Projects | High grades: Moderate MRE size: Yes Ore Reserve: Yes Optionality: Yes Existing district upside: Yes | ✅ Good | Commentary: Bowdens is one of the largest undeveloped silver projects in Australia and one of the more advanced undeveloped silver assets globally. It is not the highest-grade silver project, but it has scale, reserve confidence, a long mine life, and exploration upside. |
| 3. Cost Structure | Low AISC: Yes Low capex / existing infrastructure: No By-product credits: Yes Feasibility-level study: Yes | ✅ Strong | Commentary: AISC of around US$16/oz is the strongest economic feature. Capex of A$331M to A$346M is not tiny, but it is manageable for a project of this scale if approvals are secured and silver prices remain strong. |
| 4. Share Structure Discipline | Fully diluted shares: approximately 2,251,000,000 Fully diluted market cap: approximately A$405M Approximate fully diluted market cap in USD: around US$290M | ✅ Strong | Commentary: The share count is high. The company has already diluted significantly over time, and more financing will likely be needed before production. This is one of the biggest weaknesses in the story. |
| 5. Insider / Ownership | Insider ownership: Low based on visible public ownership data Institutional ownership: Some institutional support, including Franklin Advisers and Konwave | ⚠️ Weak | Commentary: This is not a founder-led, high-insider-ownership story. |
| 6. Location | Jurisdiction: Australia State: New South Wales Tier: Tier 1 jurisdiction, but with real permitting/legal complexity | ✅ Strong, but with permitting overhang | Commentary: Australia is a strong mining jurisdiction, but Bowdens has already shown that even Tier 1 countries can carry serious permitting and legal risk. The location is good, but the approval pathway must be watched closely. |
⭐ RT Rating, Commentary
Silver Mines Limited is not on our watchlist.
We rated this as 4 out of 5 stars.
Silver Mines ticks many important boxes: large silver resource, real Ore Reserve, completed optimisation study, low AISC, long mine life, Tier 1 jurisdiction, meaningful silver price leverage, and multiple exploration options. Bowdens is a serious silver development asset, not just an early-stage story.
The main reason it does not score higher is the permitting overhang. Bowdens already received approval once, but that approval was set aside by the NSW Court of Appeal. Until the DA redetermination is successfully completed, the market will likely apply a discount. The second issue is share structure. With more than 2.1B shares on issue, per-share upside is still good in a silver bull market, but not as clean as a tighter-capital-structure junior.
The investment case becomes much stronger if Bowdens regains approval and silver prices remain elevated. At that point, Silver Mines could re-rate from a permitting-risk developer into one of the most important future silver producers in Australia.
For now, this is a high-leverage silver developer with a real asset, real economics, and real approval risk.
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