CALGARY, Alberta–(BUSINESS WIRE)–Dominion Diamond Corporation (TSX: DDC, NYSE: DDC) (the “Company” or “Dominion”) today announced that it has mailed the management information circular (the “Circular”) and related materials for the special meeting (the “Meeting”) of the shareholders of the Company to approve the 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 o