Ms. Jacqueline Allison reports

DOMINION DIAMOND'S FISCAL 2017 FOURTH QUARTER AND YEAR-END RESULTS TO BE RELEASED WEDNESDAY, APRIL 12, 2017

Dominion Diamond Corp. will release its fiscal 2017 fourth quarter and year-end results for the period ended Jan. 31, 2017, after market hours on Wednesday, April 12, 2017.

Beginning at 11 a.m. ET on Thursday, April 13, 2017, the company will host a conference call for analysts, investors and other interested parties. Listeners may access a live broadcast of the conference call on the company's website or by dialling 844-249-9383 within North America or 270-823-1531 from international locations and entering the conference ID 89945848.

An on-line archive of the broadcast will be available by accessing the company's website. A telephone replay of the call will be available two hours after the call through to 2 p.m. ET on Thursday, April 27, 2017, by dialling 855-859-2056 within North America or 404-537-3406 from international locations and entering the conference ID 89945848.

About Dominion Diamond Corp.

Dominion Diamond is a Canadian diamond mining company with ownership interests in two major producing diamond mines. Both mines are located in the low-political-risk environment of the Northwest Territories in Canada. The company operates the Ekati diamond mine, in which it owns a controlling interest, and also owns 40 per cent of the Diavik diamond mine. It supplies premium rough diamond assortments to the global market through its sorting and selling operations in Canada, Belgium and India.