8-K: SSR Mining Boosts Marigold Reserves, Unveils 20-Year Plan

SSR Mining announces an updated Technical Report Summary for its Marigold Complex, revealing a 43% increase in gold reserves to 4.6 million ounces and a 20-year life of mine plan with a $3.3 billion after-tax NPV.

Summary

• SSR Mining has released an updated Technical Report Summary (TRS) for its Marigold Complex in Nevada, effective May 1, 2026.
• The TRS details a 43% increase in gold Mineral Reserves to 4.6 million ounces, with an additional 1.7 million ounces in Measured & Indicated Mineral Resources and 0.3 million ounces in Inferred Mineral Resources.
• A 20-year life of mine (LOM) plan has been established, incorporating the maiden LOM plan for the Buffalo Valley project, with first production expected in 2029.
• The Marigold Complex now boasts a combined 7.3 million ounces of gold Mineral Reserves across Marigold and CC&V, with an additional 6.5 million ounces of M&I resources and 2.3 million ounces in inferred resources.
• The after-tax Net Present Value (NPV) at a 5% discount rate is $3.3 billion at consensus gold prices averaging $3,948/oz, and $3.8 billion at spot prices.
• Average annual gold production is projected at 231,000 ounces from 2027-2031, 201,000 ounces through 2040, and 169,000 ounces over the 20-year LOM.
• Total life of mine capital costs are estimated at $1.385 billion, including $542 million in growth capital for Buffalo Valley development and fleet expansions.
• The company anticipates average annual after-tax operating cash flow of $354 million and after-tax free cash flow of $273 million during the active mining period.

Sentiment

Score: 7

Explanation: StockSavvy.ai views this as a positive development, highlighting significant reserve increases and a robust, long-term mine plan with strong NPV, indicating confidence in future operations.

Positives

• Significant 43% increase in gold Mineral Reserves to 4.6 million ounces.
• Robust 20-year life of mine plan for the Marigold Complex, including the maiden LOM for Buffalo Valley.
• Strong after-tax NPV of $3.3 billion at consensus gold prices, indicating substantial future value.
• Expanded mining fleet and heap leach pad expansions are planned to improve operational flexibility and reliability.
• Marigold Complex now anchors SSR Mining's U.S. portfolio with two multi-decade assets (Marigold and CC&V) holding substantial reserves and resources.
• Average annual gold production projected at 231,000 ounces from 2027-2031, supporting strong cash flow.
• Growth capital investment of $542 million is allocated for Buffalo Valley development and fleet modernization.
• The updated plan demonstrates SSR Mining's successful exploration and resource development track record, with potential for further mine life extension.

Negatives

• The LOM strip ratio has increased from 4.0:1 to 5.3:1 (waste to ore) due to the reserve increase and higher gold prices.
• Buffalo Valley mining operations are currently unpermitted, with the schedule dependent on successful completion of permitting activities by 2029.
• The project is most sensitive to changes in head grade, metallurgical recovery, and metal price, as indicated by sensitivity analyses.
• Sustaining capital costs are significant at $669 million over the LOM.
• The average All-In Sustaining Cost (AISC) is $2,062 per ounce sold, which is relatively high and could be impacted by price fluctuations.
• There is a decrease in Indicated contained gold ounces (167 koz) and Inferred gold ounces (233 koz) compared to the previous estimate, attributed to conversion to reserves and re-interpretation of envelopes.
• The Buffalo Valley deposit has a strong crush-size dependence for gold recovery, introducing some variability.
• The company's ability to execute the planned fleet expansion and capital additions on schedule is critical for meeting the LOM mining rate.

Risks

• Permitting delays at Buffalo Valley could impact the mine schedule.
• Fluctuations in gold prices could materially impact the economic viability of the project.
• Changes in mining costs, processing recoveries, or geological knowledge could affect the break-even cut-off grade.
• The project's sensitivity to head grade, metallurgical recovery, and metal price introduces economic risk.
• Securing environmental permits for Buffalo Valley ahead of its scheduled 2029 operational entry is critical.
• Managing workforce retention and skills training is essential to support elevated material movement without compromising mechanical availability or slope stability.
• Potential for future changes in regulatory requirements or environmental standards.
• The inherent uncertainty associated with Inferred Mineral Resources means they cannot be assumed to be upgraded to higher confidence categories.

Future Outlook

The future outlook is positive, with a 20-year LOM plan projecting significant gold production and cash flow, supported by substantial reserve and resource growth and planned capital investments in fleet modernization and Buffalo Valley development.

Management Comments

• "Today's updated life of mine plan reinforces Marigold's position as a premier, multi-decade asset in the United States."
• "Over the next three years, we plan to invest in Marigold to modernize the operation for future success through fleet and heap leach pad expansions that aim to improve its operational flexibility and reliability."
• "Importantly, over the next five years we expect Marigold will average more than 230,000 ounces of gold production annually, aligned with the prior TRS expectations and supporting average annual gold production of approximately 360,000 ounces from our U.S. assets over that period."
• "Longer-term, the mine is expected to average 200,000 ounces of gold production annually through 2040, delivering a more than 50% increase in life of mine production over the prior mine plan."
• "Investing in organic growth is one of the key pillars of our capital allocation strategy, and this TRS provides a clear pathway for us to execute on that strategy and create value for shareholders."
• "This new mine plan increases Mineral Reserves by 43% as compared to year-end 2025 while Indicated and Inferred Resources remain essentially unchanged, demonstrating our track record of exploration and resource development success while highlighting further potential for additional mine life extension in the future."

Industry Context

StockSavvy.ai notes that this updated LOM plan and significant reserve increase at Marigold positions SSR Mining strongly within the U.S. gold mining sector, particularly given the current gold price environment and the company's strategy to focus on cash-flow-generating assets. The integration of Buffalo Valley into the plan further solidifies the U.S. portfolio.

Comparison to Industry Standards

• The Marigold Complex's projected LOM strip ratio of 5.3:1 is within the typical range for large-scale open-pit gold mines, though on the higher side, necessitating efficient waste management and fleet operations.
• The All-In Sustaining Cost (AISC) of $2,062 per ounce sold is competitive within the current gold mining industry, especially considering the scale and life of the operation, but highlights the importance of managing costs effectively.
• The use of ROM heap leaching is a standard and cost-effective processing method for oxide gold ores, widely employed in similar deposits globally.
• The projected average annual production of ~200,000 ounces of gold places Marigold among significant mid-tier gold producers.
• The NPV of $3.3 billion at consensus prices indicates strong project economics, comparable to other large-scale, long-life gold projects undergoing development or optimization globally.

Stakeholder Impact

• Shareholders: The significant increase in reserves and NPV is expected to be viewed positively, potentially leading to increased shareholder value.
• Employees: The LOM plan supports continued employment and potential workforce expansion, particularly with the development of Buffalo Valley.
• Creditors: The robust financial projections and strong NPV provide confidence in the company's ability to service debt and meet financial obligations.
• Local Communities: The extended mine life and planned investments are likely to have continued positive socioeconomic impacts through job creation and local spending.
• Suppliers: Increased operational activity and fleet expansion will likely lead to sustained demand for mining equipment, consumables, and services.

Next Steps

• Continue exploration drilling in 2027 and 2028 with a budget of US$10 million to expand mineralization and convert resources to reserves.
• Conduct additional infill drilling of 10,000m annually to increase orebody knowledge and confidence in Mineral Resource estimates.
• Continue pit mapping to refine structural and redox models.
• Carry out preg-rob/LECO assays along oxide-sulfide boundaries.
• Execute planned fleet expansion and capital additions from 2026-2028 on schedule.
• Prioritize equipment maintenance, asset reliability, and workforce retention.
• Progress environmental permitting for Buffalo Valley to ensure approvals are secured ahead of its scheduled 2029 operational entry.
• Continue to maintain infrastructure facilities and evaluate options for additional heap leach facilities.

Key Dates

Recommendation

While the TRS presents a strong LOM plan with significant reserve increases and a robust NPV, the high sensitivity to gold price, metallurgical recovery, and head grade, coupled with the unpermitted status of Buffalo Valley and the increasing strip ratio, warrants a cautious approach. The current valuation may already reflect much of this positive outlook, making 'hold' appropriate until further de-risking of the Buffalo Valley permitting and execution.

Keywords

Marigold Complex, Buffalo Valley, Technical Report Summary, Mineral Reserves, Mineral Resources, Life of Mine Plan, Gold Production, Heap Leach