United Lithium Files Updated 43-101 Technical Report for the Duobblon Uranium Project in Sweden

About this update from United Lithium Corp

VANCOUVER, British Columbia, March 10, 2026 (GLOBE NEWSWIRE) -- United Lithium Corp. (“United Lithium” or the “Company”) (CSE: ULTH; OTCQX: ULTHF; FWB: 0UL) is pleased to announce the filing of an independent National Instrument 43-101 – Standards of Disclosure for Mineral Projects (“NI 43-101”) technical report (the “Report”) for its 100%-owned Duobblon Uranium Project (the “Project”) located in Västerbotten County, in the Lapland Province of northern Sweden. The Report, titled “Technical Report on the Duobblon Uranium Project, Västerbotten County, Lapland Province, Kingdom of Sweden”, is available on SEDAR+ under the Company’s profile at www.sedarplus.ca. The Report was prepared by Avrom E. Howard, Msc, PGeo., of Nebu Consulting LLC, an independent Qualified Person as defined by NI 43‑101. Report Highlights: The Duobblon Project is a 100% owned, approximately 630-hectare historical uranium exploration property originally drilled by the Swedish Geological Survey (“SGU”) between 1976 and 1979. The Report represents the first NI 43-101 compliant technical documentation for the Project since Sweden’s lifting of its national ban on uranium exploration and mining effective January 1, 2026. Historical uranium resource estimate: Previously reported by Mawson Resources (2008) estimating 13.8 Mt at 0.029% U₃O₈, containing 8.75 Mlb U₃O₈ (United Lithium cautions that this historical estimate does not meet NI 43-101 standards and should not be relied upon). Extensive diamond drilling: A total of 55 holes for 10,300 m drilled. Drill core from at least 46 of the 55 holes is stored at the SGU Malå core archive, located approximately 100 km from the Duobblon project. Mineralization remains open along strike and at depth: Historical drilling indicates laterally continuous, strata-bound uranium mineralization within a mixed sedimentary‑volcanic sequence. The historical data indicate that mineralization remains open along strike in both directions and at depth, pending confirmation by additional drilling. Positive metallurgy: Metallurgical testing reported uranium recoveries of up to 95%, with subsequent testing reporting recoveries of up to 86.3%. These results are historical in nature, were not completed under modern QA/QC protocols, and should not be interpreted as indicative of current or future recoveries. Excellent infrastructure: The Project...

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