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Dominion Diamond Shareholders Approve Transaction with The Washington Companies

CALGARY, Alberta–(BUSINESS WIRE)–Dominion Diamond Corporation (TSX: DDC, NYSE: DDC) (the “Company” or “Dominion”) today announced that at the special meeting (the “Meeting”) of the shareholders of the Company (the “Shareholders”) held earlier today, Shareholders overwhelmingly approved the previously-announced plan of arrangement (the “Arrangement”) pursuant to which Northwest Acquisitions ULC, an entity affiliated with The Washington Companies, has agreed to acquire all of the issued and out