Dominion Diamond Announces Final Approval of Jay Project Water Licence

YELLOWKNIFE, Northwest Territories — Dominion Diamond (the “Company” or “Dominion”) is pleased to announce that the Minister of Environment and Natural Resources, Government of the Northwest Territories, the Honourable Robert C. McLeod, has approved the Type A Water Licence for the Ekati Diamond Mine, including the Jay project. The Minister’s letter of approval and the amended Water Licence, which is currently in effect, can be accessed on the Wek’èezhìi Land and Water Board (“WLWB”) Online Registry through the following links:

“Receipt of the amended Water Licence is a significant milestone for the Jay project,” said Jim Gowans, Chairman of the Board of Directors of Dominion. “We would like to thank the WLWB and the Minister for their work to complete this final major step in the permitting process at Jay. This project is an important part of our overall growth strategy which will deliver value over the long-term.”

The Jay project is located in the 100%-owned Buffer Zone at the Ekati Diamond Mine. Jay is a large high-grade kimberlite, and was approved for construction by the Company in July 2016.