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The M&E Dispatch // 107

Lee Tengum
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Nevada Lithium Announces Significant Amounts of Critical Minerals Rubidium and Cesium Within its Bonnie Claire Lithium Project

Vancouver, British Columbia – September 17,2025 – Nevada Lithium Resources Inc. (TSXV: NVLH; OTCQB: NVLHF; FSE: 87K) (“Nevada Lithium” or the “Company”) is pleased to announce significant rubidium (Rb) and cesium (Cs) mineralization has been identified within existing drill core on its 100% owned Bonnie Claire lithium project (the “Project” or “Bonnie Claire”), located in Nye County, Nevada. Initial test work indicates these elements have advanced through the initial lithium/boron recovery stages of the Project’s Preliminary Economic Assessment (“PEA”) flow sheet and are present in the Pregnant Leach Solution (“PLS”). Nevada Lithium’s CEO, Stephen Rentschler, comments: “We are pleased to announce that examination of drill assays from our 2023 and 2024 drilling program indicate the presence of rubidium and cesium, which are included in the US Department of the Interior Draft 2025 Critical Minerals List. These elements represent the potential to increase the significant boron by-product revenue stream identified in our recently released PEA. Initial analysis of the Project’s Pregnant Leach Solution indicates that rubidium and cesium are available for recovery, and the Company is exploring various options to determine the economics of recovery. Bonnie Claire’s 61 year mine life and processing rate of almost 3 mm tonnes of ore […]