Mr. Matt Manson reports

STORNOWAY ANNOUNCES 1 MILLION CARATS PRODUCED AT RENARD

Stornoway Diamond Corp. has produced one million carats of diamonds at the Renard diamond mine in Quebec.

Matt Manson, president and chief executive officer, commented: "Today's news represents another important milestone in our production ramp-up at Renard. The one-million-carat threshold comes, coincidentally, at the same time that the first polished diamonds from the mine have become available for sale in Montreal. I'd like to acknowledge the team of dedicated Stornoway employees and contractors, as well as our community partners in Mistissini, Chibougamau and Chapais, who have worked to make this achievement possible."

About the Renard diamond mine

The Renard diamond mine is Quebec's first producing diamond mine and Canada's sixth. It is located approximately 250 kilometres north of the Cree community of Mistissini and 350 km north of Chibougamau in the James Bay region of north-central Quebec. Construction on the project commenced on July 10, 2014, and commercial production was declared on Jan. 1, 2017. Average annual diamond production is forecast at 1.8 million carats per annum over the first 10 years of mining. Readers are referred to the technical report dated Jan. 11, 2016, in respect of the September, 2015, mineral resource estimate, and the technical report dated March 30, 2016, in respect of the March, 2016, updated mine plan and mineral reserve estimate for further details and assumptions relating to the project.

About Stornoway Diamond Corp.

Stornoway is a leading Canadian diamond exploration and development company listed on the Toronto Stock Exchange under the symbol SWY and headquartered in Montreal. The company's flagship asset is the 100-per-cent-owned Renard diamond project, Quebec's first diamond mine. Stornoway is a growth-oriented company with a world-class asset, in one of the world's best mining jurisdictions, in one of the world's great mining businesses.

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