Mountain Province Diamonds results of sixth diamond sale and operational update

2 August 2017

Mountain Province Diamonds Inc. today announces the results of its recently completed sixth diamond sale. The results from the fifth and sixth sales are impacted in part by the inclusion in the fifth sale of a high-value selection of the fancies and specials won by the company otherwise scheduled for inclusion in the sixth sale.  Including these high-value diamonds, the value realized per carat in the sixth sale was US$87.