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 11,247,373 shares. Such shares are registered in the following name(s): Northern Trust Co. - 2,845,256 Bank of New York Mellon Bank, N.A. - 3,400,567 JP Morgan Chase - 14,612,854 State Street Bank & Trust Co. - 47,232,955 |