SCHEDULE CHANGE: Maria Bartiromo to Feature NioCorp on Thursday, September 25, 2025

Mark A. Smith, Chairman and CEO of NioCorp Developments Ltd. (NASDAQ:NB) will now appear on Maria Bartiromo’s “Mornings with Maria” program on Fox Business News at a new time this coming week: 7:30 AM Eastern on Thursday, September 25, 2025.
Three of NioCorp’s Critical Minerals Elevated to Higher Urgency Status on Critical Minerals List

The U.S. Government has named three minerals contained in NioCorp’s mineral resource as among the most vital to U.S. national and economic security of all 54 critical minerals.
Elemental Analysis for Rare Earth Content of Historical NioCorp Elk Creek Deposit Commences

NioCorp announces that elemental analysis of historic drill core samples from the Elk Creek Superalloy Materials Project to ascertain concentrations of rare earths and other elements has commenced.
Why American critical minerals are key to revolutionizing electric vehicles

As Printed in the Innovation News Network By Jim Sims VP, External Affairs, NioCorp Developments Meeting forecast demand growth for electric vehicles will require a number of critical minerals and alloys. Not all are readily available from reliable supply chains. Do minerals buried beneath the farm fields of southeast Nebraska in the central US represent […]
NioCorp R&D Effort Identifies Possible Improved Approach to Niobium Extraction for its Elk Creek Project

NioCorp announces a potential alternative process for extracting niobium from the Elk Creek Superalloy Materials Project.
Infrastructure Initiatives in More Than A Dozen Nations Point to Potential Boom in Demand for Critical Minerals Such as Niobium and Scandium

The U.S. and more than a dozen nations are considering plans to launch major infrastructure initiatives, which point to a potential long-term boom in demand for critical minerals such as niobium and scandium, according to NioCorp Developments.
NioCorp Announces Choice of Cementation USA as Elk Creek Mine EPC
NioCorp is pleased to announce that Cementation USA, part of the Cementation Americas Group, has been selected as the lead Engineering, Procurement, and Construction contractor for the underground aspects of the proposed Elk Creek Superalloy Material Project.
NioCorp To Integrate Key Environmental, Social, and Governance (ESG) Principles Into its Elk Creek Superalloy Materials Project

NioCorp announced its intent to integrate key Environmental, Social, and Governance (“ESG”) principles as it proceeds toward development and commercial operation of its flagship Elk Creek Superalloy Materials Project and continues to evolve from a developing company into an operating company with a global customer base.
NioCorp Provides an Update on Detailed Engineering Design That May Shorten the Time to Market for its U.S.-Made Critical Minerals
Ongoing design engineering of NioCorp’s Elk Creek Project shows that industry-standard ground freezing technology may be appropriate for use during shaft sinking operations, NioCorp announced.
U.S. Government Officially Declares All Three Superalloy Metals from Nebraska Project as “Critical Minerals”

The Trump Administration has officially designated as “Critical Minerals” the entire planned product suite of superalloy metals that NioCorp proposes to mine and process at its Elk Creek, Nebraska Superalloy Materials project.