• Two significant drill intercepts on a separate parallel vein
• Drilling continues to intercept Main Quartz Vein
• Further significant Stockwork mineralization intercepted

Vancouver, British Columbia, June 23, 2015 – Canadian Zinc Corporation (TSX: CZN; OTCQB: CZICF) (“the Company” or “Canadian Zinc”) is pleased to provide an update on the continuing underground exploration program at the Prairie Creek Mine in the Northwest Territories, Canada last reported on June 9, 2015.

Assays have now been received from five additional diamond drill holes from the underground program.