Surge Battery Metals (TSX-V: NILI | OTCQX: NILIF | FRA: DJ5C) delivered two strong updates from its Nevada North Lithium Project (NNLP) in February 2026. Together, these results confirm expansion potential, reinforce high-grade continuity, and advance technical work needed for the upcoming Pre-Feasibility Study (PFS).
On February 17, Surge reported a major step-out success. The company drilled a 31-meter intercept grading 4,196 ppm lithium from surface in a hole located 640 meters southeast of the existing resource boundary. This intercept sits well above the current resource average grade of 3,010 ppm lithium. The wide step-out confirms that high-grade mineralization extends significantly beyond the defined resource footprint.
Just one week later, on February 25, Surge released the final batch of results from its 2025 core drilling program. These infill holes focused on upgrading inferred resources to higher confidence categories and collecting technical data for the PFS. The results returned some of the strongest intercepts drilled to date.
Together, these two updates strengthen the project’s scale, quality, and development readiness.
Infill Drilling Confirms a Thick, High-Grade Core
The February 25 news highlighted Hole NNL-030 as a standout result. The hole intersected 116 meters, averaging 3,752 ppm lithium. Within that interval, a 32.1-meter zone graded 4,521 ppm lithium. These grades exceed the project’s current average and confirm the presence of a thick, ultra-high-grade core.
Hole NNL-032 also delivered strong results, returning 82.29 meters, averaging 3,664 ppm lithium. Hole NNL-036 intersected 78.63 meters, averaging 3,141 ppm lithium, including a deep 9.4-meter zone grading 4,580 ppm lithium.
These intercepts show both lateral and vertical continuity. They show that high-grade lithium persists across wide widths and at depth. Importantly, most of these zones occur near the surface. Near-surface mineralization reduces stripping requirements and can improve early-year mine economics.
The infill drilling supports resource upgrading efforts. It helps convert Inferred resources into Indicated and Measured categories. Higher confidence categories are critical for mine planning, financing, and permitting.
The results confirm that Nevada North’s high-grade core is consistent, thick, and scalable.
Mr. Greg Reimer, President & Chief Executive Officer and Director of Surge, stated,
“This infill drilling is doing exactly what it was designed to do: upgrade the resource, confirm continuity of some of our best lithium intercepts, and de-risk the early years of a potential mine plan at Nevada North. Coupled with a robust PEA economic profile, we believe Nevada North is strongly positioned as we move forward with the development of our PFS. We look forward to updating the Mineral Resource Estimate as our next key milestone.”
Expansion Beyond the Current Resource Boundary
The February 17 step-out result adds a new dimension to the project story. The 31-meter intercept grading 4,196 ppm lithium occurred 640 meters beyond the existing resource area. This large extension demonstrates strong mineral continuity outside the current pit-constrained model.
Step-out drilling is important because it tests the limits of a deposit. A successful 640-meter extension suggests the deposit remains open and may support future resource growth.
Nevada North already hosts a pit-constrained Inferred Resource of 11.24 million tonnes of lithium carbonate equivalent (LCE) grading 3,010 ppm lithium at a 1,250 ppm cutoff. High-grade step-out intercepts increase confidence that future resource updates may expand both tonnage and overall contained lithium.
Highly anomalous soil values and geophysical surveys also suggest the clay horizons could extend even further. The mineralized zone currently spans more than 4,300 meters in strike length and over 1,500 meters in width. Continued drilling could increase the overall scale of the project.
This combination of strong infill and wide step-out success strengthens Nevada North’s long-term growth profile.
Advancing Toward Pre-Feasibility and Permitting
The 2025 drilling program did more than confirm grade. It also collected critical technical data required for the upcoming PFS and environmental permitting.
Hole NNL-035 was strategically positioned near Texas Spring to gather hydrogeological data. The hole successfully installed the Vibrating Wire Piezometers (VWPs) to monitor groundwater conditions. This data will help model basin hydrology and support environmental approvals.
The company also completed detailed geotechnical logging across all holes. High-resolution televiewer surveys mapped fault structures. Representative samples from each rock unit are now undergoing rock strength testing. These tests will help determine safe pit wall angles for future mine planning.
Remarkably, quality control procedures were rigorous. Of the 806 total samples analyzed, 134 were QA/QC samples. Certified reference standards, blanks, and duplicates were systematically inserted.
Standards are performed within acceptable limits. Duplicate samples fell within 10% tolerance. These results confirm strong analytical accuracy and reproducibility.
This technical work reduces development risk. This, in turn, ensures that the PFS is built on high-quality geological and engineering data.
Strategic Upside: By-Products and Strong Economics
In addition to lithium, the infill drilling consistently returned elevated cesium and rubidium values. Cesium reached up to 163 ppm and rubidium up to 349 ppm in association with the lithium core. Surge is evaluating the deportment of these elements in ongoing metallurgical studies.
If recoverable, these critical minerals could add value to the project economics. By-product potential can improve revenue streams and enhance overall project returns.
Nevada North already shows strong economic metrics from its Preliminary Economic Assessment. The PEA reports an after-tax NPV (8%) of approximately US$9.17 billion and an after-tax IRR of 22.8% at a lithium price of US$24,000 per tonne LCE. Operating costs are estimated at roughly US$5,243 per tonne LCE.
High grades play a central role in these economics. Thick intervals averaging 3,500–4,500 ppm lithium reduce the tonnage required to produce each unit of lithium. This supports lower operating costs and stronger early cash flow potential.
The joint venture with Evolution Mining also strengthens the project’s development pathway. Evolution is a globally recognized mining company with operational expertise. This partnership adds technical depth and financial strength to the Nevada North project.
A Strengthened Position in the U.S. Lithium Landscape
The United States is working to strengthen its domestic lithium supply chain. Federal incentives and policy measures emphasize secure, locally sourced battery materials. Projects that combine high grade, large scale, and technical readiness are well-positioned in this environment.
Nevada North now demonstrates three key strengths at once:
- Proven high-grade core through infill drilling,
- Expansion potential through 640-meter step-out success, and
- Advancing technical data for PFS and permitting.
These updates reinforce Nevada North as one of the highest-grade lithium clay projects in the United States. They show both growth and de-risking in the same drilling campaign.
As global demand for lithium continues to rise, supply sources with strong grade, scale, and development momentum will stand out. Surge Battery Metals’ recent results highlight meaningful progress on all three fronts.
The company’s Nevada North Lithium Project is not only expanding. It is advancing toward higher confidence resources, improved technical definition, and future development milestones. These combined achievements strengthen Surge’s position within the evolving North American lithium supply chain.
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