The original press release was published on September 17, 2026, through ACCESS Newswire.
TORONTO, ON – September 17, 2026 – NiobiumX Mining Inc. (CSE: NIOX) (OTCQB: NIOXF) (FSE: O7D0) announced the appointment of Erik Sehn, P.Geo., to its Board of Directors, effective September 17, 2026.
Mr. Sehn brings nearly a decade of experience in mineral exploration, project management, and resource discovery across Canada. He currently serves as Vice President of Exploration at F4 Uranium Corp., a position he has held since September 2025. Previously, he held senior technical and management roles at F3 Uranium Corp., contributing to the discovery and advancement of the JR Zone and Tetra Zone at the Patterson Lake North project in Saskatchewan’s Athabasca Basin.
His earlier exploration experience also includes involvement with the Triple R uranium deposit. His expertise spans geological interpretation, exploration strategy, drill program design, technical leadership, and the advancement of early-stage mineral projects.
The appointment strengthens NiobiumX’s technical leadership as the Company advances its Shipshaw Property in Quebec’s Saint-Honoré carbonatite district.
The property comprises 48 mineral claims covering approximately 2,686 hectares, with its nearest claim boundary situated less than two kilometres from the mining-lease boundary of the producing Niobec mine.
The Company’s technical report recommends a two-phase exploration program involving the relocation and re-assaying of historical drill core, magnetic modelling, and subsequent drill testing.
Mr. Sehn will provide strategic and technical guidance to the Board regarding the design and execution of the proposed exploration program.
Kirby Renton, President and Chief Executive Officer, welcomed Mr. Sehn’s appointment, emphasizing his experience advancing exploration targets from geophysical interpretation through drilling and discovery.
NiobiumX also announced the resignation of Dr. Terrance G. Owen from its Board of Directors, effective September 17, 2026.
Dr. Owen contributed more than 30 years of corporate finance, capital markets, and public company experience, supporting the Company’s acquisition of the Shipshaw Property and its transition from Arctic Fox Lithium Corp. to NiobiumX Mining Inc.
The Company expressed its appreciation for his service and contributions.
NiobiumX Mining Inc. is a Canadian mineral exploration company focused on the discovery and development of niobium and rare earth element opportunities. Its principal asset, the Shipshaw Property, is located in Quebec’s Saguenay region, within a geological district characterized by carbonatite and lamprophyre formations.
The Shipshaw Property does not currently host a mineral resource or reserve estimate.
This is an adapted version of the published announcement, rather than a verbatim reproduction. It omits the original release’s regulatory disclaimers and Qualified Person statement.
Read the complete original press release: