Locksley Resources Commences Diamond Drilling at El Campo REE Prospect

Locksley Resources Advances Critical Minerals Strategy

Locksley Resources diamond drilling at El Campo REE Prospect marks a significant milestone for the company as it transitions from surface exploration to systematic subsurface evaluation. The four-hole maiden drilling programme is targeting sheared carbonatite-hosted REE mineralisation along 900 metres of strike, where previous surface sampling returned exceptional results of up to 12.1% Total Rare Earth Oxides (TREO).

The announcement represents a significant milestone for Locksley Resources as the company transitions from surface exploration to systematic subsurface evaluation at its flagship Mojave Project. Strategically positioned just 4 miles southeast of MP Materials' Mountain Pass REE Mine—one of the world's most significant rare earth operations—El Campo represents a compelling exploration opportunity in a proven mineral province with established infrastructure and processing expertise.

Technical Director Ian Stockton commented:
"Commencing drilling at El Campo marks an important step in advancing the broader rare earth potential of the Mojave Project. The grade of surface mineralisation identified to date provides a strong foundation, and this programme will deliver the first subsurface data to assess continuity and inform the project's development potential."

Drilling Programme: Testing High-Grade Surface Results at Depth

The current drilling campaign represents a significant milestone for Locksley Resources as it transitions from surface exploration to systematic subsurface evaluation. The fully funded programme is expected to take 3 weeks to complete, with initial assay results delivered thereafter.

Programme Objectives:

• Test depth and lateral continuity of REE mineralisation identified at surface
• Validate geological interpretations from mapping and sampling work
• Obtain core samples for detailed geological analysis and future metallurgical testwork
• Support development of a 3D geological model for follow-up exploration planning

The programme builds on encouraging surface sampling results that returned grades of up to 12.1% TREO, providing a strong foundation for this first systematic drill test of the prospect's subsurface potential.

Furthermore, the drilling targets are based on geological interpretation of sheared carbonatite-hosted mineralisation, a geological setting that has proven highly prospective for rare earth elements globally. This systematic approach allows Locksley Resources diamond drilling at El Campo to test both the depth extent and lateral continuity of the surface mineralisation across nearly one kilometre of strike length.

Understanding Rare Earth Elements: Critical Materials for Modern Technology

Total Rare Earth Oxides (TREO) represents the combined concentration of all rare earth elements in a sample, typically expressed as a percentage. Rare earth elements comprise 17 metallic elements that are essential for manufacturing advanced technologies including electric vehicles, wind turbines, smartphones, and defence systems.

Why TREO matters to investors: High TREO grades indicate potentially economic concentrations of these critical materials. The 12.1% TREO result from El Campo's surface sampling represents exceptionally high grades compared to many operating REE mines globally, suggesting strong mineralisation that could support future development.

Key REE applications:
• Defence systems – guided missiles, radar, sonar
• Clean energy – permanent magnets for wind turbines, EV motors
• Electronics – smartphones, computers, LED lighting
• Industrial magnets – MRI machines, speakers, hard drives

The strategic importance of rare earth elements has led to their designation as critical minerals by the United States Government, driven by supply chain security concerns and the growing demand for clean energy technologies. Consequently, this classification underscores the potential strategic value of domestic REE projects like El Campo within current geopolitical and economic frameworks.

Strategic Location: Proximity to World-Class REE Infrastructure

El Campo's location within 4 miles of MP Materials' Mountain Pass mine positions Locksley Resources in one of North America's most established rare earth districts. This proximity offers several strategic advantages that could influence future development scenarios.

Location Benefits:

Infrastructure Access:
• Established transportation networks
• Proven geological understanding of the regional mineral system
• Access to skilled workforce and service providers

Processing Knowledge:
• Demonstrated rare earth processing capabilities in the region
• Established supply chain connections
• Regulatory framework familiarity

Market Position:
• Tier-1 mining jurisdiction with stable regulatory environment
• Strategic domestic U.S. location supporting supply chain security
• Government designation of REEs as critical minerals

The regional geological setting has demonstrated its capacity to host world-class rare earth deposits, with Mountain Pass having produced rare earth concentrates for decades. In addition, this established mineral province provides both geological confidence and practical advantages for potential future development scenarios at El Campo.

Technical Programme Details: Systematic Resource Evaluation

The four-hole diamond drilling programme has been designed to provide comprehensive geological data across the identified mineralisation zone. According to the announcement, the drilling will test approximately 900 metres of strike length where surface sampling has identified REE mineralisation.

Drilling Methodology:

Diamond drilling provides continuous core samples that allow for detailed geological logging, structural analysis, and precise sampling for assay analysis. This method is particularly valuable for understanding the geological controls on mineralisation and assessing continuity at depth.

Target Selection:
The drill holes target areas where surface sampling has returned the highest TREO grades, including the location that returned 12.1% TREO. However, the programme aims to determine whether these surface results extend at depth and maintain continuity along strike.

Core Analysis:
Core samples will undergo geological logging to identify mineralisation zones, structural controls, and alteration patterns. Selected intervals will be sampled for assay analysis to determine grade distribution and continuity.

The systematic approach allows Locksley Resources diamond drilling at El Campo to build a comprehensive geological understanding whilst providing the technical data necessary for future resource estimation and development planning.

Next Steps: Building Towards Resource Development

Locksley Resources has outlined a clear pathway for advancing El Campo following completion of the current drilling programme:

Immediate Priorities (Next 3 months):

1. Complete exploration drilling at El Campo REE Prospect
2. Geological logging and sampling of drill core
3. Assay analysis and results interpretation
4. Integration of results into 3D geological model

Medium-term Development (6-12 months):

• Follow-up exploration programmes based on initial drilling results
• Metallurgical testwork planning and execution
• Resource estimation if drilling confirms continuity
• Feasibility studies for potential development scenarios

Parallel Activities:

• Desert Antimony Mine results – awaiting assay results from recent drilling
• Metallurgical testwork around trisulphide product development for U.S. defence industry
• Underground mapping integration with geological data compilation

The company's systematic approach to project development reflects standard industry practice for advancing exploration prospects through to resource definition and potential production scenarios. Furthermore, each phase builds upon previous work to reduce technical risk and improve project understanding.

Investment Thesis: Positioning for Critical Minerals Growth

Locksley Resources represents a compelling investment opportunity at the intersection of several powerful market drivers affecting the critical minerals sector:

Critical Minerals Demand Growth:

• Government designation of REEs as critical minerals by the U.S. Government
• Supply chain security focus driving domestic production priorities
• Clean energy transition increasing demand for permanent magnets
• Defence applications requiring secure, domestic supply sources

Strategic Competitive Advantages:

Financial Position:

• Fully funded drilling programmes ensuring near-term exploration continuity
• Multiple projects providing diversified exposure to critical minerals
• Strategic partnerships supporting technology development and market access

The convergence of government policy support for domestic critical mineral production, increasing global demand for rare earth elements, and Locksley Resources' strategic positioning in a proven mineral district creates a compelling investment framework for the company's development trajectory.

Market Context: Critical Minerals Policy Environment

The broader policy environment continues to support domestic critical mineral development initiatives across the United States. Rare earth elements have been designated as critical minerals by the U.S. Government, reflecting concerns about supply chain security and import dependence for these strategically important materials.

Policy Drivers:
• Supply chain resilience initiatives promoting domestic production
• Clean energy transition policies increasing REE demand
• Defence procurement requirements for secure material sources
• Infrastructure investment supporting critical mineral projects

Consequently, this policy framework creates a supportive environment for companies developing domestic rare earth projects, though individual projects must demonstrate technical and economic viability to attract investment and development capital.

Why Investors Should Follow Locksley Resources

Locksley Resources has positioned itself as a significant player in the U.S. critical minerals sector, with El Campo representing a potentially game-changing asset in the company's portfolio. The commencement of Locksley Resources diamond drilling at El Campo marks a pivotal moment in the project's evolution from surface prospect to systematic resource evaluation.

Key Tracking Points for Investors:

Near-term Catalysts (Next 3 months):
• El Campo drilling results and geological interpretation
• Desert Antimony Mine assay results
• 3D geological model development
• Follow-up exploration programme planning

Medium-term Value Drivers (6-12 months):
• Resource estimation potential at El Campo
• Metallurgical testwork results for both REE and antimony
• Strategic partnership developments
• Market positioning in critical minerals supply chains

Long-term Strategic Value:
• Potential for integrated mine-to-market strategy
• Domestic U.S. critical minerals production capability
• Multiple commodity exposure providing portfolio diversification
• Strategic location advantages in proven mineral district

Key Takeaway:
Locksley Resources has strategically positioned itself in the high-growth critical minerals sector with the El Campo REE prospect representing exceptional exploration potential. With surface grades of up to 12.1% TREO and proximity to world-class infrastructure, the current drilling programme could unlock significant value for investors seeking exposure to domestic U.S. critical minerals development.

The 3-week drilling timeline provides investors with a clear catalyst schedule, whilst the company's broader strategy targeting both rare earth elements and antimony offers diversified exposure to two of the most strategically important critical mineral markets. For instance, the systematic approach to project development, combined with the strategic location advantages and high-grade surface results, positions El Campo as a project to watch in the evolving critical minerals landscape.

Could Locksley Resources Be Your Next Critical Minerals Investment?

With surface grades of up to 12.1% TREO and diamond drilling now underway just 4 miles from the world-class Mountain Pass REE Mine, Locksley Resources is positioned at the forefront of America's critical minerals development. The company's strategic approach to rare earth exploration at El Campo, combined with its antimony projects, offers investors diversified exposure to two of the most strategically important critical minerals. To discover how Locksley Resources is advancing its flagship Mojave Project and learn more about the company's comprehensive critical minerals strategy, visit their official website for detailed project information and investor updates.