American Uranium Limited (ASX: AMU) advanced its Lo Herma ISR uranium project in the June 2026 quarter, completing a $2.64 million placement, delivering promising drilling outcomes, and preparing for large-scale pump testing ahead of a Q3 resource update.
- Raised $2.64 million via placement to fund Wyoming uranium projects
- Completed 50-hole drilling program with 21 holes above uranium cut-off grade
- Lo Herma Mineral Resource Estimate stands at 9.45 million pounds eU3O8
- Secured 1,040 acres of new mineral rights and staked 29 federal mining claims
- Large-scale pump testing planned for August/September to support ISR development
Capital Raise Strengthens Project Development
American Uranium Limited (ASX:AMU) secured $2.64 million through a placement of 22 million shares at 12 cents each during the June quarter, attracting institutional and sophisticated investors. The fresh capital is earmarked for drilling, permitting, and technical studies at its Wyoming uranium assets, chiefly the flagship Lo Herma ISR uranium project. This injection also brought new institutional players onto AMU’s register, underpinning ongoing development efforts.
Robust Drilling Campaign Advances Resource Confidence
The company completed a 50-hole, 12,757-metre drilling program focused on converting Inferred resources to Indicated within Mine Unit 1 and expanding mineralisation south of Mine Unit 2. Of these, 21 holes intercepted uranium mineralisation above the 0.02% eU3O8 cut-off, with 13 holes exceeding the target grade thickness (GT) of 0.2. Notably, hole LH-MW-005 returned 6.9 metres at 0.044% eU3O8, just shy of 1.0 GT, confirming strong continuity of roll-front uranium deposits across the mine units.
This drilling campaign builds on an interim March 2026 resource update that increased Lo Herma's Mineral Resource Estimate (MRE) to 9.45 million pounds eU3O8, with 43% classified as Indicated. The upcoming Q3 2026 resource update and Q3/4 Scoping Study will incorporate these latest results to refine development plans.
Strategic Land Consolidation Enhances Project Footprint
AMU expanded its land position by securing approximately 1,040 acres of new uranium mineral rights through private lease agreements adjacent to existing resource areas. These parcels, located near Mine Units 2 and 3, are expected to contribute to future resource growth pending data review. Additionally, the company staked 29 new federal lode mining claims covering around 490 acres, providing a buffer along prospective mineralised trends and supporting optimisation of mine unit boundaries and ISR wellfield design.
Hydrogeological Pump Testing to De-risk ISR Development
Preparations are underway for a large-scale pump testing program at Mine Unit 1, scheduled for August or September 2026. This test, designed in partnership with Petrotek Engineering Corporation, will assess groundwater flow and hydraulic connectivity within the target production aquifer and adjacent strata. The program aims to generate critical data for ISR wellfield design, permitting, and modelling, focusing on the Middle C Sand aquifer where pumping and observation wells have been installed.
This pump testing follows successful 2025 hydrogeological tests and represents a key step in reducing technical risks ahead of the planned scoping study evaluating development across Mine Units 1, 2, and 3.
Entitlement Offer Closes with Shortfall Remaining
Alongside the placement, AMU launched a pro-rata non-renounceable Entitlement Offer at 12 cents per new share with free attaching options. The offer closed on 15 July 2026, raising a modest $100,374 from valid applications. A significant shortfall of over 20 million shares and 10 million options remains available for placement until mid-October 2026, providing the company with flexibility to secure additional funding if market conditions allow.
Cash Position and Funding Outlook
AMU reported cash and cash equivalents of $1.24 million at quarter end, reflecting net cash used in operating and investing activities offset by the placement proceeds. The company has access to an At-the-Market financing facility and retains shortfall placement capacity from the entitlement offer, supporting its near-term funding needs as it advances the Lo Herma project.
Bottom Line?
The coming months will be pivotal as AMU integrates its drilling success with hydrogeological data from pump testing to shape the Lo Herma project’s development trajectory.
Questions in the middle?
- Will the remaining entitlement offer shortfall be fully placed before the October deadline?
- How will the results from the upcoming pump testing influence ISR wellfield design and project economics?
- Can AMU sustain momentum toward a positive scoping study outcome amid evolving uranium market conditions?