NioCorp Announces Closing of Up-Sized Private Placement for Gross Proceeds of C$4.8 Million

NOT FOR DISTRIBUTION TO U.S. NEWSWIRES OR FOR DISSEMINATION IN THE UNITED STATES CENTENNIAL, Colo., June 30, 2022 /PRNewswire/ — NioCorp Developments Ltd. (“NioCorp” or the “Company”) (TSX: NB) (OTCQX: NIOBF) is pleased to announce that it has closed its previously announced non-brokered…