T. Rowe Price Associates, Inc. (TRPA) serves as investment adviser, with dispositive and voting authority, to various institutional clients that own shares of Petra Diamonds Ltd., including the T. Rowe Price New Era Fund, Inc., which owns 12,129,995 shares. Such shares are registered in the following name(s): Northern Trust Co. - 2,838,490 Bank of New York Mellon Bank, N.A. - 3,345,535 JP Morgan Chase - 14,354,504 State Street Bank & Trust Co. - 47,099,143 |