Dominion Diamond Corporation Provides Update on Incident at the Ekati Diamond Mine

23 June 2016

YELLOWKNIFE, Northwest Territories--(BUSINESS WIRE)--Jun. 23, 2016-- Dominion Diamond Corporation (TSX:DDC, NYSE:DDC) (the “Company”) can confirm that at approximately 7:00 am on June 23, 2016, an incident occurred at the Ekati mine site.

A fire broke out during a planned outage in the Process Plant. The Incident Management Team was activated to respond to the situation and the Emergency Response Team (ERT) was called to the scene and the fire has been contained.

All personnel were evacuated from the Process Plant and have been accounted for. At this time, no injuries have been reported.

Our first priority is the safety and well-being of our workforce and of all the people involved in responding to this incident. We will provide further information as it becomes available.