* Top Ten Shareholders at 6/30/13 Holder Name / Fund Name Mkt Val Holdings Style BlackRock Fund Advisors 49,759,280 Index The Vanguard Group, Inc. 29,339,079 Index Christopher E. French 25,786,572 Individual Crow Point Partners LLC 15,782,500 Yield Columbia Management Investment Advisers LLC 12,330,118 Growth Dimensional Fund Advisors, Inc. 11,299,227 Growth & Value SSgA Funds Management, Inc. 11,127,492 Index Northern Trust Investments, Inc. 9,862,832 Index & Growth Aberdeen Asset Managers Ltd. 7,111,461 GARP Teton Advisors, Inc. (Investment Management) 6,880,555 Growth