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American Rare Earths Expands Relationship With Tetra Tech to Include Exploring US Government Funding Opportunities

MWN-AI** Summary

American Rare Earths (ASX: ARR, OTCQX: ARRNF, ADR: AMRRY) has recently expanded its partnership with Tetra Tech, Inc. (NASDAQ: TTEK), focusing on sourcing U.S. government funding for the Halleck Creek project. This collaboration builds on Tetra Tech’s previous work with ARR since 2023, which involved mineral processing testing and engineering support for Halleck Creek. Tetra Tech's extensive experience in acquiring government contracts now positions it to help ARR navigate the funding landscape effectively, which is crucial as federal mandates prioritize the establishment of critical minerals supply chains.

Halleck Creek, located in Wyoming, is seen as a significant project that could enhance U.S. independence in rare earth elements—key components for defense applications and advanced technologies. Tetra Tech will continue its technical guidance throughout the project’s advancement, aiding ARR in highlighting its value to both federal and state-level stakeholders. Richard Hudson, Chairman of ARR, expressed confidence that leveraging Tetra Tech’s expertise will propel Halleck Creek forward and bolster government support.

The partnership comes at a time when the U.S. is striving to reduce its dependence on foreign rare earth sources, particularly from adversarial nations. Presently, the U.S. only has one operational rare earth mine, presenting a single point of failure in its supply chain. American Rare Earths views Halleck Creek as a viable solution for diversifying and securing a reliable domestic supply of critical minerals to support the growing U.S. magnetics industry.

Ultimately, this partnership represents a strategic move for both companies to capitalize on the convergence of public and private interests in fortifying the U.S. rare earth supply chain, ensuring national security and economic resilience for future generations.

MWN-AI** Analysis

The recent expansion of American Rare Earths' (ASX: ARR) partnership with Tetra Tech (NASDAQ: TTEK) marks a significant pivot for the company as they seek government funding for their Halleck Creek project, a vital component in the reshoring of the U.S. rare earths supply chain. This collaboration is crucial considering the urgent need to diversify U.S. sources for rare earth elements, typically dominated by foreign markets, notably from China. Investors may want to monitor ARR closely, given the federal emphasis on critical minerals and the strategic national importance of the Halleck Creek project.

The synergy with Tetra Tech not only enhances ARR's technical capabilities but also positions it effectively to leverage government funding opportunities as domestic supply chains continue to be prioritized. Tetra Tech's proven experience in securing government contracts serves as a strong asset for ARR, particularly in navigating the potential complexities of federal funding mechanisms. As the Biden Administration continues its focus on national security through the development of a robust, domestic mineral supply chain, ARR stands poised to benefit from these initiatives.

It’s essential for investors to recognize the broader implications of government support for American Rare Earths. The company's operations align with national interest in reducing reliance on imported rare earths, which serves to de-risk the U.S. magnetics industry. Thus, ARR’s initiatives can be viewed as part of a larger trend of increasing governmental backing for domestic resource projects.

In summary, with the collaborative framework established alongside Tetra Tech and backing from federal initiatives, American Rare Earths is well-positioned for growth. Investors should keep a close eye on incoming developments from both a technical and funding perspective, as these could significantly influence ARR's market position and share value in a rapidly evolving sector.

**MWN-AI Summary and Analysis is based on asking OpenAI to summarize and analyze this news release.

Source: GlobeNewswire

DENVER, Nov. 20, 2025 (GLOBE NEWSWIRE) -- American Rare Earths ( ASX: ARR | OTCQX: ARRNF | ADR: AMRRY) (“ARR” or the “Company” ), has expanded their existing relationship with Tetra Tech, Inc. (NASDAQ: TTEK) (“Tetra Tech”) a leading engineering firm to the U.S. Federal Government and its major defense agencies. Tetra Tech will help explore, advise on, and apply for U.S. Government funding opportunities for the Company’s Flagship Halleck Creek project.

Tetra Tech has been a close collaborator and consultant to ARR since 2023, leading Halleck Creek’s mineral processing testing and engineering efforts to date. As Tetra Tech has in-depth knowledge of the Halleck Creek project and extensive experience in navigating funding opportunities across the U.S. Federal Government, ARR believed it was a natural progression to expand the relationship to include strategic engagement efforts with the US Government. Tetra Tech is also anticipated to continue its technical and engineering support services during the project’s future development.

“Leveraging Tetra Tech’s technical expertise and vast experience with governmental funding opportunities will help to highlight the Halleck Creek project even further and build upon the work we’ve already done at the federal and state levels to advance this project with government support,” states Richard Hudson, Chairman of ARR.

Why it matters? Given the Federal Government’s mandate to continue to build critical minerals supply chains, the Company believes, with the help of Tetra Tech, it can further avail itself to relevant Government funding opportunities to accelerate the development of Halleck Creek to secure a long-term supply of U.S. magnet metals for national security and defense.

ARR applauds the Trump Administration’s efforts to date in reshoring the U.S. rare earths magnetics industry to reduce dependence on foreign minerals. Despite the immense support to build the entire mine-to-magnet industry in the United States, the current domestic supply chain still has a single point of failure as there is only one producing rare earths element (“REE”) mine in the U.S. Without upstream mine supply diversification, the growing domestic magnetics industry remains exposed to supply chain vulnerabilities, as foreign adversaries control the market. Both American Rare Earths and Tetra Tech strongly believe that Halleck Creek is a viable and long-term solution to diversify and de-risk the upstream light and heavy REE supply for the growing U.S. magnetics industry.

About Tetra Tech

Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. For nearly 60 years, Tetra Tech has been Leading with Science ® to address the entire water cycle, protect and restore the environment, and design sustainable and resilient infrastructure. Tetra Tech’s engineers provide highly specialized geological, mine engineering, metallurgical, mechanical, geotechnical, water treatment, and environmental services to the mining industry. As one of the top-ranked mining engineering firms by Engineering News Record, we offer extensive and integrated capabilities to take mining and metals processing projects from concept through design and construction and into operations, monitoring, and closure.

Tetra Tech has extensive experience in securing government contracts and grants from entities like the U.S. Department of Energy (DOE) and U.S. Department of Defense (DoD).

This release was authorized by the Board of American Rare Earths.

Investors can follow the Company’s progress at www.americanree.com

About American Rare Earths Limited:

American Rare Earths (ASX: ARR | OTCQX: ARRNF | ADR: AMRRY) is a critical minerals company at the forefront of reshaping the U.S. rare earths industry. Through its wholly owned subsidiary, Wyoming Rare (USA) Inc. (“WRI”), the company is advancing the Halleck Creek Project in Wyoming—a world-class rare earth deposit with the potential to secure America’s critical mineral independence for generations. Located on Wyoming State land, the Cowboy State Mine within Halleck Creek offers cost-efficient open-pit mining methods and benefits from streamlined permitting processes in this mining-friendly state.

With plans for onsite mineral processing and separation facilities, Halleck Creek is strategically positioned to reduce U.S. reliance on imports—predominantly from China—while meeting the growing demand for rare earth elements essential to defense, advanced technologies, and economic security. As exploration progresses, the project’s untapped potential on both State and Federal lands further reinforces its significance as a cornerstone of U.S. supply chain security. In addition to its resource potential, American Rare Earths is committed to environmentally responsible mining practices and continues to collaborate with U.S. Government-supported R&D programs to develop innovative extraction and processing technologies for rare earth elements.

For more information:
Susan Assadi Beverly Jedynak
Media Relations US Investor Relations US
sassadi@americanree.com Beverly.jedynak@viriathus.com
347 977 7125 312 943 1123



FAQ**

How will the expanded relationship with Tetra Tech Inc. TTEK enhance American Rare Earths' ability to secure government funding for the Halleck Creek project?

The expanded relationship with Tetra Tech Inc. will enhance American Rare Earths' ability to secure government funding for the Halleck Creek project by leveraging Tetra Tech's expertise in project development and environmental compliance, increasing credibility with funding agencies.

What specific roles will Tetra Tech Inc. TTEK play in the development and engineering efforts for the Halleck Creek project moving forward?

Tetra Tech Inc. (TTEK) will provide engineering, design, and environmental consulting services to facilitate the development, regulatory compliance, and optimization of the Halleck Creek project, ensuring it meets technical and sustainability standards.

In what ways does American Rare Earths expect Tetra Tech Inc. TTEK's expertise to mitigate the vulnerabilities in the U.S. rare earth supply chain?

American Rare Earths anticipates that Tetra Tech Inc.'s expertise will enhance resource assessment, improve processing efficiency, and bolster environmental compliance, thereby addressing vulnerabilities in the U.S. rare earth supply chain and supporting sustainable domestic production efforts.

How does American Rare Earths plan to leverage the collaboration with Tetra Tech Inc. TTEK to address national security concerns related to rare earth metals?

American Rare Earths plans to leverage its collaboration with Tetra Tech Inc. to enhance the domestic supply chain for rare earth metals, ensuring reliable sourcing and processing, thus addressing national security concerns related to dependence on foreign materials.

**MWN-AI FAQ is based on asking OpenAI questions about American Rare Earths Limited (OTC: ARRNF).

American Rare Earths Limited

NASDAQ: ARRNF

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