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Mr. Mackie has been the Company’s Vice President Diamond Marketing since November 2015. Prior to joining the Company he was with Rio Tinto Diamonds, where he held the positions of Manager Sales and Marketing for Argyle Pink Diamonds in Perth, Australia (2011 to 2015) and Senior Executive Trader in Antwerp, Belgium (1999 to 2010). At Argyle, Mr. Mackie was responsible for the pricing and sales of all Argyle pink polished diamonds including the Argyle pink diamond tender. In Antwerp, Mr. Mackie was responsible for the valuation and sales of rough diamonds from the Diavik, Argyle, Murowa, Ellendale and Merlin diamond mines. Mr. Mackie is a graduate of the University of British Columbia (B.A., 1994).