Illite Identified as Dominant Lithium Mineral in High-Grade Lower Zone; Potential for Still Higher-Grade Mineralization at Bonnie Claire Lithium Project

About this update from Nevada Lithium Resources, Inc.

VANCOUVER, BC / ACCESS Newswire / February 18, 2026 / Nevada Lithium Resources Inc. (TSXV:NVLH)(OTCQB:NVLHF)(FSE:87K) ("Nevada Lithium" or the "Company") is pleased to announce results from the first of a suite of samples being analysed by the Department of Earth Sciences ("DiSTAR") at the University of Naples Federico II, of Naples, Italy. These samples are being analysed as part of a research agreement between the Company and DiSTAR, to further define the lithium distribution in clay minerals within existing drill core on its 100% owned Bonnie Claire lithium project (the "Project" or "Bonnie Claire"), located in Nye County, Nevada. This work is designed to identify mineralogical controls on lithium grade and is expected to provide valuable guidance for high-impact exploration, targeted drilling, and resource grade maximization. Nevada Lithium's CEO, Stephen Rentschler, comments: We are pleased to announce that an initial drill core analysis by our research partners at the University of Naples Department of Earth Sciences has returned a lithium grade of 19,815 ppm for the first clay fraction sample from hole BC 2402C. This sample was chosen to gain additional understanding of the high-grade lithium Lower Zone, from which Bonnie Claire's lithium/boron resource, and mine plan, are derived. The dominance of Illite, which can display a lithium grade comparable to many spodumene deposits, explains the very high grades observed within Bonnie Claire's lithium resource. As earlier analyses were undertaken prior to the identification of lithium residence within the clay fraction, this work provides important context for the interpretation of existing lithium grades. This context is also expected to be of use in targeting higher-grade mineralization in areas of clay-rich rocks, which could further increase the grade of the Project's lithium resource. The research program at the University of Naples is continuing, and it is expected to provide further insight into the multiple zones of lithium mineralization at Bonnie Claire. Conclusions from the work-to-date are currently being integrated into Nevada Lithium's technical work programs, which are designed to advance the Project, and deliver additional shareholder value. Join Stephen Rentschler, CEO & Jeff Wilson, VP Exploration, of Nevada Lith...

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