About De Beers Group De Beers Group is a member of the Anglo American plc group. Established in 1888, De Beers is the world's leading diamond company with unrivalled expertise in the exploration, mining and marketing of diamonds. Together with its joint venture partners, De Beers employs approximately 16,000 people across the diamond pipeline, and is the world's largest diamond producer by value, with mining operations in Botswana, Canada, Namibia and South Africa. In Canada, De Beers operates the Snap Lake Mine in the Northwest Territories and the Victor Mine in northern Ontario. De Beers is also a joint venture partner in the Gahcho Kué Project in the Northwest Territories. For further information about De Beers visit www.debeersgroup.com. About Mountain Province Diamonds Mountain Province Diamonds discovered the first kimberlite at Kennady Lake in 1995 and in 1997 entered into a joint venture agreement with Monopros, a subsidiary of De Beers. Mountain Province is a 49% participant with De Beers Canada in the Gahcho Kué JV located in Canada'sNorthwest Territories. Gahcho Kué is the world's largest and richest new diamond mine development. A December 2010 feasibility study filed by Mountain Province (available on SEDAR) indicates that the Gahcho Kué project has an IRR of 33.9%. Further information is available at www.mountainprovince.com. Forward-Looking Statements This news release may contain forward-looking statements, within the meaning of the "safe-harbor" provision of the Private Securities Litigation Reform Act of 1995, regarding Mountain Province's business. Actual results could differ materially from those described in this news release as a result of numerous factors, some of which are outside the control of the Company SOURCE Mountain Province Diamonds Inc.