Silverco Mining Files NI 43-101 Technical Report for the La Negra Project PEA
The assessment estimates US$438.8 million in after-tax free cash flow at a silver price of US$50 per ounce.
Sentiment and the balance of points
Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.
Rhea-AI Summary
Silverco Mining (OTCQB: SICOF) has filed an independent technical report supporting the preliminary economic assessment of its La Negra Mine in Mexico. The report, effective July 1, 2026, is available on SEDAR+ and the company website.
At US$50 per ounce silver, the assessment estimates after-tax net present value of US$329 million using a 5% discount rate and after-tax free cash flow of US$438.8 million. Each US$10-per-ounce silver-price change affects that valuation by US$70 million. Estimated annual production averages 4.1 million silver-equivalent ounces over 8.2 years, with approximately 65% of revenue from silver. Initial capital is US$20.9 million; life-of-mine average all-in sustaining costs are US$24.86 per payable silver-equivalent ounce.
Indicated resources total 98.2 million silver-equivalent ounces, with another 12.6 million ounces classified as inferred, a lower-confidence resource category.
How this balance works
Rhea-AI gives every point it takes from this document a weight. Minor counts 1, Moderate 3 and Major 9, so one Major point outweighs several Minor ones. The bar adds up the weights on each side, and when neither side holds more than 65% of the total the balance reads Mixed.
It reads the document as published, with the same rules for every company, and it does not look at what the market expected or at how the stock traded, so a point can be objectively good on a day the stock falls.
Rhea-AI Sentiment measures something else, the tone of the wording.
Hollow bars mark forward-looking points. How the balance works
Positive
- Major point. Forward-looking: it has not happened yet and may not happen.Base-case estimated after-tax net present value is US$329 million at 5%, using US$50-per-ounce silver.
- Moderate point. Forward-looking: it has not happened yet and may not happen.Base-case estimated after-tax free cash flow totals US$438.8 million.
- Moderate point. Forward-looking: it has not happened yet and may not happen.Estimated annual production averages 4.1 million silver-equivalent ounces over an 8.2-year mine life.
- Moderate pointIndicated resources contain 98.2 million silver-equivalent ounces: 15.23 million tonnes grading 201 grams per tonne silver equivalent.
- Minor point. Forward-looking: it has not happened yet and may not happen.Initial capital economics show a 15.7x after-tax net present value-to-capital ratio at base-case metal prices.
3 minor points
- Minor pointInferred resources contain 12.6 million silver-equivalent ounces: 2.26 million tonnes grading 174 grams per tonne silver equivalent.
- Minor point. Forward-looking: it has not happened yet and may not happen.Identified mine-plan optimization opportunities include resource conversion and prioritizing higher-grade areas.
- Minor point. Forward-looking: it has not happened yet and may not happen.Identified exploration opportunities include nearby high-grade silver targets and a potential higher-grade carbonate replacement deposit system.
Negative
- Moderate pointProject economics remain at the preliminary economic assessment stage.
- Moderate point. Forward-looking: it has not happened yet and may not happen.Initial capital requirements total US$20.9 million; at spot prices, US$4.7 million needs funding off the balance sheet. 1.5% of market cap
- Moderate point. Forward-looking: it has not happened yet and may not happen.Life-of-mine average all-in sustaining costs are estimated at US$24.86 per payable silver-equivalent ounce.
- Moderate point. Forward-looking: it has not happened yet and may not happen.Silver-price exposure: each US$10-per-ounce change affects after-tax net present value at 5% by US$70 million.
AI-generated analysis. How Rhea-AI works. Not financial advice.
Vancouver, British Columbia--(Newsfile Corp. - November 5, 2026) - Silverco Mining Ltd. (TSXV: SICO) (OTCQB: SICOF) ("Silverco" or the "Company"), announces that in connection with the news release dated September 21, 2026, it has filed on SEDAR+ a National Instrument 43-101 Technical Report Titled "Technical Report on the Preliminary Economic Assessment for La Negra Mine, Querétaro, Mexico" (the "Technical Report"), with an effective date of July 1, 2026.
The Technical Report was prepared in accordance with National Instrument 43-101 Standards of Disclosure for Mineral Projects by independent Qualified Persons from SGS Canada Inc. ("SGS"). The technical report is available under the Company's profile on SEDAR+ (www.sedarplus.ca) as well as on the Company's website. All dollar amounts referenced in this news release are in United States dollars (USD or US$) unless otherwise noted.
Key Highlights:
Attractive Base Case Economics, with Leverage to Silver Prices - After-tax net present value ("NPV") (
5% ) of$329 million ("M") and after-tax free cash flow ("FCF") of$438.8M at$50 /oz silver ("Ag") with every$10 /oz change in silver price impacting after-tax NPV (5% ) by$70 M .Robust Production Profile - Average annual production of 4.1 Moz silver equivalent ("AgEq")1 produced over an 8.2-year mine life, with approximately
65% of revenue from silver.Life-of-mine average all in sustaining costs ("AISC") of
$24.86 /AgEq oz payable AgEq
Low Capital Requirements - Initial capital of only
$20.9 M , delivering a 15.7x after-tax NPV to initial capital ratio at base case metal prices.Of the
$20.9 M , at the spot price case, only$4.7 M is necessary to be funded off the balance sheet.
New MRE with Solid Foundation for Future: Indicated resources of 15.23 Mt at 201 g/t AgEq for 98.2M AgEq oz and Inferred resources of 2.26Mt at 174 g/t AgEq for 12.6 M AgEq oz.
Opportunities for Optimization - Multiple organic growth opportunities exist including;
Mine plan optimization to convert resources and prioritize mining of high-grade areas
Exploration upside from near mine high grade silver targets and a potential higher-grade carbonate replacement deposit (CRD) system.
Qualified Persons with respect to this News Release
The scientific and technical information contained in this news release has been reviewed and approved by Nico Harvey, P.Eng., Vice President Project Development of Silverco, a Qualified Person as defined in National Instrument 43-101. Mr. Harvey is not independent of the Company. Mr. Harvey has reviewed the technical information disclosed herein.
About Silverco Mining Ltd.
Silverco Mining Ltd. is a Canadian silver producer focused on building a leading multi-asset silver portfolio in Mexico. The Company owns
Led by an experienced management team with a proven track record in mine development, operations, and capital markets, Silverco is focused on creating long-term shareholder value through disciplined growth and responsible mining practices, with a goal of becoming a 10-million-ounce per year silver equivalent producer within three years. Silverco's common shares trade on the TSX Venture Exchange under the symbol "SICO" and on the OTCQB under the symbol "SICOF." More information on the Company and its projects can be found at www.silvercomining.com.
On Behalf of the Board of Directors
"Mark Ayranto"
Mark Ayranto, President & CEO
Email: mayranto@silvercomining.com
For further information, please contact:
Investor Relations & CommunicationsEmail:
info@silvercomining.com
www.silvercomining.com
Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.
Cautionary Statement and Forward-Looking Information
This news release contains "forward-looking statements" and "forward-looking information" (together, "forward-looking statements") within the meaning of applicable Canadian securities laws. Forward-looking statements relate to future events or the Company's future performance and are generally identified by words such as "anticipate", "believe", "continue", "could", "estimate", "expect", "forecast", "goal", "intend", "may", "objective", "outlook", "plan", "potential", "priority", "schedule", "seek", "should", "target", "will", and similar expressions (including negative and grammatical variations).
Forward-looking statements in this release include, but are not limited to: statements regarding the results, conclusions, projections, assumptions and economic and operating parameters of the PEA for the La Negra Project, including but not limited to the LOM, throughput, capital and operating costs, metal recoveries, payable production, NPV, IRR, annual EBITDA, cash costs, AISC, payback period and sensitivities thereto; metal price assumptions; projected costs and initial capital; exploration, drilling and mineralization on the La Negra Project; the interpretation of the results and benefits of the drilling program; future drilling and the timing and expected benefits thereof; potential resource expansion; assay results; the interpretation of drilling and assay results and the extent of mineralization; exploration upside from a potential higher-grade carbonate replacement deposit (CRD) system; the merits of the La Negra Project; and the Company's goal of becoming a 10-million-ounce per year silver equivalent producer within three years.
These forward-looking statements are based on a number of assumptions that, while considered reasonable by the Company as of the date of this release, are inherently subject to significant business, technical, economic and competitive uncertainties and contingencies. Key assumptions include: that stated throughput rates and nameplate capacity reasonably reflect plant capability; that the tailings filtration circuit can be installed and commissioned within the expected timeframe and budget and will perform as designed; that filtration performance, tailings geotechnical behaviour and climatic conditions are consistent with design assumptions; the timely delivery, commissioning and performance of the underground mobile fleet; availability of labour, contractors, power, water, explosives and critical supplies; accuracy of the MRE underlying the PEA; validity of the technical, economic and operating assumptions used in the PEA; ground conditions and metallurgical performance consistent with expectations; that mine development and mining rates will be sufficient to support planned processing rates; that mineralized material of sufficient grade and tonnage will be available to sustain anticipated throughput levels; timely receipt and maintenance of required permits and approvals, including those associated with modification of tailings deposition methods; access to surface rights and continued community support; no material adverse changes to general business, economic, market and political conditions; commodity price and foreign exchange assumptions; inflation and input costs remaining within expectations; and the Company's ability to secure additional financing on acceptable terms when required.
Forward-looking statements are subject to known and unknown risks, uncertainties and other factors that may cause actual results, performance or achievements to differ materially from those expressed or implied. Such factors include, without limitation: exploration, development and operating risks (including drilling, blasting, ground control, water management, geotechnical and ground conditions, metallurgical variability, and equipment availability and performance); tailings storage facility design, construction, operation and closure risks; construction, commissioning and start-up risks associated with the filtration circuit; schedule and cost overruns; risks inherent in estimating mineral resources and in converting mineral resources to mineral reserves; that any preliminary economic assessment is preliminary in nature and may include inferred mineral resources that are considered too speculative geologically to have economic considerations applied to them that would enable them to be categorized as mineral reserves, and there is no certainty that the results of any such assessment will be realized; permitting, licensing and regulatory risks in Mexico (including changes in mining, environmental, labour, water, land access, explosives and related regimes); community relations, social licence and stakeholder engagement risks; title, surface rights, access and environmental liability risks; health, safety and security risks; commodity price and foreign exchange volatility; cost inflation, supply-chain disruptions and contractor availability; political and macroeconomic instability; financing and liquidity risks; TSX Venture Exchange and other regulatory approvals; counterparty risks; limitations and uncertainties relating to historical data and third-party reports; force majeure events; litigation and enforcement risks; and those additional risks set out in the Company's public disclosure filings available on SEDAR+ at www.sedarplus.ca.
Readers are cautioned not to place undue reliance on forward-looking statements. The purpose of forward-looking statements is to provide readers with information about management's current expectations and plans and may not be appropriate for other purposes. No assurance can be given that such statements will prove to be accurate; actual results and future events could differ materially. The Company undertakes no obligation to update or revise any forward-looking statements contained herein, except as required by applicable securities laws.
1Silver equivalent ("AgEq") is calculated by dividing the total value of payable metal by the silver price, using the PEA price assumptions of

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/322783
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What valuation does Silverco Mining's La Negra preliminary economic assessment estimate?
The assessment estimates US$329 million in after-tax net present value at a 5% discount rate, using a silver price of US$50 per ounce. Estimated after-tax free cash flow is US$438.8 million.
How much production does Silverco Mining's La Negra assessment estimate?
Estimated production averages 4.1 million silver-equivalent ounces annually over an 8.2-year mine life. Approximately 65% of revenue is expected to come from silver.