NioCorp to Combine with Nasdaq-Listed GXII to Access Additional Capital for the Elk Creek Critical Minerals Project

NioCorp Developments GX Acquisition Corp. II have announced the signing of a definitive agreement for a proposed business combination between the two companies.

NioCorp’s Demonstration Plant Begins Testing Process Improvements and Rare Earth Recovery Operations

NioCorp is pleased to announce that its demonstration processing plant in Quebec, Canada is now processing ore from the Company’s Elk Creek Critical Minerals Project.

New Federal Legislation Could Deliver Powerful New Benefits to NioCorp for its Critical Minerals

The Inflation Reduction Act of 2022 includes multiple financial and tax incentives designed to encourage greater production of critical minerals in the U.S. Virtually all of the critical minerals NioCorp intends to produce as part of its Elk Creek Critical Minerals Project in Nebraska would be eligible for new tax credits once the Project is financed and placed into commercial production.

NioCorp Files NI 43-101 Technical Report on its 2022 Elk Creek Critical Minerals Project Feasibility Study

NioCorp has filed a Technical Report prepared in accordance with National Instrument 43-101 regarding its previously announced 2022 Feasibility Study completed for the Company’s Elk Creek Critical Minerals Project.

About NioCorp

What We Believe

We believe in strengthening our world and protecting the environment through superalloy materials like Niobium, Scandium, and Titanium. These critical minerals help improve fuel economy, increase safety, reduce harmful air emissions, protect our environment, and help keep the world safer and more secure.

Elk Creek Project

The Elk Creek Superalloy Materials Project is one of the few pure-play critical minerals projects in the U.S. with a definitive feasibility study completed and key U.S. federal permits already obtained.  It is the highest grade niobium project in North America as well as one of the world's largest prospective scandium producers.

The Leadership Team

NioCorp is led by a Board of Directors comprised of distinguished and highly experienced leaders, including several with decades of experience in the mining and advanced materials spaces.  Our management team is also highly experienced in designing, constructing, and operating critical minerals projects.

A Unique Investment

A publicly traded company currently listed on the Toronto Stock Exchange (TSX:NB) and the US-based Over The Counter exchange (OTCQX:NIOBF), NioCorp represents a unique investment opportunity.  NioCorp is a former TSX Venture 50® "Top Performer" among mining companies.

NioCorp Investor Presentation

Learn more about NioCorp, the Elk Creek Critical Minerals Project, and the proposed Business Combination between NioCorp and GXII in this investor presentation.

Why NioCorp’s Elk Creek project is vital for the global EV industry

Proactive Investor’s Stephen Gunnion recently interviewed NioCorp senior executives Mark A. Smith and Scott Honan about the Company’s Elk Creek Critical Minerals Project and how its specialty metals can help reduce greenhouse gas emissions. See the interview here.

The Elk Creek Project:  A Deep Dive Briefing

Watch NioCorp Executive Chairman Mark A. Smith and Chief Operating Officer Scott Honan as they provide a detailed briefing of the Company’s Elk Creek Superalloy Materials Project in southeast Nebraska. They also discuss an update to NioCorp management business plan, which envisions potentially adding several highly sought-after rare earth products to our currently planned product suite of Niobium, Scandium and Titanium.  See the video here.

Information for Investors

A publicly traded mineral exploration company, NioCorp Developments Ltd. is currently developing the Elk Creek Superalloy Materials Project, a large underground deposit in southeast Nebraska rich in Niobium, Scandium and Titanium that has a positive NI-43-101 Feasibility Study completed.  Investors all around the world follow NioCorp’s progression toward project financing and the launch of construction of this unique critical minerals project.  See information about investing in NioCorp here.



Learn More

2022 Elk Creek Feasibility Study

According to NioCorp’s June 2022 Elk Creek Feasibility Study, the Project has a Pre-Tax Net Present Value of $2.8 billion, a pre-tax Internal Rate of Return 29.2%, and a relatively long mine life of 38 years.  The Study also confirms that the Project’s rare earth indicated resource is second only to MP Materials’ Mountain Pass deposit in the U.S.

News ReleaseFull Text of Feasibility Study

Our Critical Minerals

NioCorp plans to produce three minerals at its Elk Creek, Nebraska Project that are all considered “critical” by the U.S. Government. This makes the Elk Creek Project one of the few pure-play, greenfield critical minerals mines in the U.S. that have a NI-43-101 Feasibility Study completed and are ready for funding and construction.

The Elk Creek Critical Minerals Mine

By The Numbers


Pre-Tax NPV


Pre-Tax IRR


After-Tax NVP


After-Tax IRR


Averaged EDITDA Over Mine Life


Average EBITDA Margin over Mine Life


Gross Revenue Over Mine Life


Cumulative Net Cash Flow Over Mine Life (after tax)

36 Years

Mine Life

2.86 Years

Payback Period from Production Start

See this note regarding the use of certain forward-looking non-GAAP financial measures on this website.


NioCorp's Mark Smith and Scott Honan provide a detailed briefing on the Elk Creek Superalloy Materials Project.

Deep Dive Briefing on NioCorp's Elk Creek Superalloy and Rare Earth Project

NioCorp's Mark Smith and Scott Honan provide a detailed briefing on the Elk Creek Superalloy Materials Project.

NioCorp's Mark Smith Predicts Domestic Minerals Supply Chains Will Expand as a Result of COVID-19.

Mark Smith: Domestic Supply Chains to Expand

NioCorp CEO and Executive Chairman Mark Smith predicts that domestic critical minerals supply chains will expand as a result of the COVID-19 pandemic.

Elk Creek Virtual Tour

See a video that explains the power of superalloys and how NioCorp intends to produce three superalloy metals its its Elk Creek Project.

NioCorp's planned products have all been designated as Critical Minerals

Critical Minerals

NioCorp's planned products have all been designated as "Critical Minerals" by the U.S. Government.  Mark Smith explains the significance.

Robust Returns

According to an NI-43-101 compliant Feasibility Study, the Elk Creek Project projects relatively robust economic returns.  See the details here.

NioCorp's Markets

Learn about the many downstream markets that can utilize the three superalloy materials that NioCorp plans to make at its Elk Creek Project. 

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