Noble Plains Uranium Initiates Cutting-Edge Geophysical Survey at Duck Creek to Expand Uranium Resources

Duck Creek Resource Derived from Partial Mineralized Trend

Noble Plains Uranium's inaugural resource at Duck Creek was developed from exploration of approximately 2.5 miles of a longer mineralized trend spanning the company's land holdings. The reported resource of 5.32 million pounds of Indicated U9O8 and 1.04 million pounds of Inferred U9O8 in the Wasatch Formation marks initial progress in a district-scale opportunity. The full mineralized trend extends about 5.25 miles across the property, leaving significant areas with similar geology yet to be systematically explored for uranium mineralization.

This National Instrument 43-101 compliant resource estimate establishes a foundation for the company's expansion plans. The clearly defined, elongated mineralized trend presents multiple avenues for resource growth, especially along strike extensions in the shallow Wasatch Formation and in the deeper Fort Union Formation beneath the current resource. The early-stage nature of this discovery indicates considerable upside potential if exploration of untested trend segments proves fruitful.

Utilizing Advanced Geophysical Methods for Targeted Exploration

The Duck Creek geophysical program represents a departure from traditional uranium exploration, which typically relies on radiometric surveys followed by drilling and borehole gamma logging. While conventional methods confirm mineralization at drill sites, they provide limited insight into subsurface geology between holes. Noble Plains addresses this gap by integrating multiple advanced geophysical datasets to construct a three-dimensional geological model before committing further drilling funds.

The survey comprises two main components. Seismic reflection work—using 2D Vibroseis and Standard Truck-mounted Impact reflection seismic (REFL) profiling—aims to image the geometry and structural layout of sand packages, particularly within the Fort Union Formation. According to the University of Wyoming partnership, seismic reflection is among the most effective techniques to differentiate sand packages likely hosting mineralization over areas larger than feasible with drilling alone. The second component, 2D High Power DC Resistivity and Full Waveform decay Induced Polarization (FWD_IP) surveys, targets the redox front in the Wasatch Formation to pinpoint additional mineralized zones suitable for drilling and resource expansion.

Focusing on Fort Union Formation and Wasatch Extensions

The geophysical survey covers parts of Duck Creek beyond completed drilling zones, specifically targeting unexplored segments of the mineralized trend along strike and the deeper Fort Union Formation below the current resource. The Fort Union Formation represents a largely underexplored horizon that may contain additional uranium deposits at greater depths than the Wasatch Formation resources defined to date. Successful seismic reflection imaging of sand package geometry in the Fort Union could reduce the number of exploratory drill holes needed to detect mineralization at depth.

The Wasatch Formation survey focuses on the redox front—the geochemical interface between oxidized and reduced rock where roll-front uranium deposits typically form. Induced polarization mapping across this front aims to delineate the boundary over a wider area than practical with drilling alone, identifying further mineralization targets for near-term drill testing. This systematic approach supports the company’s goal of expanding Duck Creek’s resource base through data-driven targeting.

University of Wyoming Partnership Enhances Geophysical Expertise

Collaboration with the University of Wyoming Near-Surface Geophysics Instrument Center (UWNSG) grants Noble Plains access to specialized expertise and equipment for these advanced surveys. Dr. Carr, UWNSG Director, notes that combining seismic reflection and induced polarization data provides a more comprehensive subsurface view than either method alone. This partnership exemplifies a growing trend in mineral exploration to leverage academic research institutions for sophisticated technical work beyond the scope of conventional service providers.

The University’s involvement adds technical credibility to data interpretation and quality. As a research institution with expertise in near-surface geophysics, the partnership ensures data acquisition and processing adhere to rigorous scientific standards, potentially improving the reliability of drill targeting recommendations derived from the survey.

Geophysical Data Aims to Minimize Drilling Risk and Costs

By conducting seismic reflection and induced polarization surveys before significant drilling investment, Noble Plains seeks to enhance exploration efficiency and lower financial risk. Seismic reflection data, when modeled, is expected to reveal specific targets and structures within the Fort Union Formation, enabling prioritization of drill locations. Similarly, induced polarization surveys map mineralization-prone geochemical settings along the Wasatch redox front, facilitating more precise drill placements in shallow formations.

This strategy aligns with best practices in early- to mid-stage mineral exploration, where geophysical methods are increasingly employed to de-risk drilling and optimize capital allocation. Identifying high-confidence drill targets through non-invasive techniques can reduce the number of drill holes needed to achieve geological understanding, thereby cutting exploration costs while maintaining or improving target quality.

CEO Details Multi-Year Resource Expansion Plan

Noble Plains CEO Drew Zimmerman described the geophysical program as part of a comprehensive strategy to expand the Duck Creek resource. He highlighted that the maiden resource was based on drilling roughly half of the identified mineralized trend, leaving about 2.75 miles of the trend plus the deeper Fort Union Formation largely untested. This positions the company in the early stages of the Duck Creek opportunity, with significant exploration upside along strike extensions and at depth.

Zimmerman emphasized that the geophysical surveys are intended to guide and prioritize future drilling campaigns rather than act as standalone exploration efforts. The seismic and induced polarization data are expected to refine drill targeting, reducing meters drilled to delineate additional mineralization and accelerating resource growth.

In Situ Recovery Focus Matches Duck Creek Geology

Noble Plains is a U.S.-focused uranium exploration and development company advancing projects suitable for In Situ Recovery (ISR)—a mining technique that dissolves uranium underground and extracts it via solution without conventional mining. The Duck Creek project’s sandstone-hosted roll-front mineralization in Wyoming’s Powder River Basin is well-suited to ISR methods. The company’s ISR focus aligns with industry trends favoring lower-impact, capital-efficient uranium extraction.

The geophysical survey supports dual objectives: discovering additional mineral resources and collecting subsurface structural and hydrogeological data relevant to ISR well field design and operational planning if the project advances.

Uranium Exploration Investment in Strategic Market Context

Noble Plains’ progress at Duck Creek occurs amid sustained interest in domestic uranium production in the U.S. The company’s focus on Wyoming and other historically drilled but underexplored assets in stable jurisdictions reflects the strategic importance of rapid resource definition within established regulatory frameworks. The Powder River Basin’s long uranium production history offers lower political and regulatory risk compared to many international locations.

The scale and timing of this geophysical investment indicate Noble Plains’ confidence in Duck Creek’s potential, using advanced technical methods to accelerate exploration. For uranium sector investors, the company’s methodical, data-driven approach to resource expansion illustrates how junior explorers optimize discovery pace and efficiency amid renewed strategic focus on domestic uranium supply.

Qualified Person Review and Technical Oversight

Bradley Parkes, P.Geo., Vice President Exploration of Noble Plains Uranium Corp., has reviewed and approved the technical content of this announcement as a Qualified Person under National Instrument 43-101. His involvement assures that statements regarding the geophysical program, resource estimates, and geological interpretations comply with Canadian securities standards and reflect professional judgment.

The engagement of a Qualified Person responsible for exploration operations indicates the geophysical program is part of a planned, professionally managed strategy rather than speculative or ad-hoc. This oversight is important for investors assessing the credibility and technical rigor of the company’s exploration activities.