TDK Corporation Consolidated FY March 2011(U.S. GAAP) (8) Fair Value of Securities Cost (Yen millions) As of March 31, 2010 Gross Gross Unrealized Unrealized Holding Gains Holding Losses Fair Value Marketable securities (Debt securities): U.S. Treasury 22,400 5 - 22,405 995 792 5 3 137 - - 998 929 5 8,739 1,176 2,706 162 73 - 11,372 1,338 810 51 4 857 34,917 3,064 77 37,904 998 16,730 1 7 0 - 999 16,737 596 60 4 0 15 - - 596 75 4 8,752 1,173 2,358 90 773 - 10,337 1,263 819 39 - 858 29,132 2,510 773 30,869 Investments (Debt securities): Government bonds Commercial papers Public-utility bonds Investments (Equity securities): Manufacturing companies Other Investments (Mutual funds) Total As of March 31, 2011 Marketable securities (Debt securities): Government bonds U.S. Treasury Investments (Debt securities): Government bonds Commercial papers Public-utility bonds Investments (Equity securities): Manufacturing companies Other Investments (Mutual funds) Total Cost (U.S.$ thousands) As of March 31, 2011 Gross Gross Unrealized Unrealized Holding Gains Holding Losses Fair Value Marketable securities (Debt securities): Government bonds U.S. Treasury 12,024 201,566 12 85 0 - 12,036 201,651 7,181 723 48 0 181 - - 7,181 904 48 105,446 14,133 28,409 1,084 9,313 - 124,542 15,217 9,867 470 - 10,337 350,988 30,241 9,313 371,916 Investments (Debt securities): Government bonds Commercial papers Public-utility bonds Investments (Equity securities): Manufacturing companies Other Investments (Mutual funds) Total Note: U.S.$1=Yen 83, for convenience only. 18 TDK Corporation Consolidated FY March 2011(U.S. GAAP) (9) Fair Value of Derivatives (Yen millions) As of March 31, 2010 Forward foreign exchange contracts Currency swaps Commodity forward transactions As of March 31, 2011 Forward foreign exchange contracts Currency swaps (U.S.$ thousands) As of March 31, 2011 Forward foreign exchange contracts Currency swaps Note: U.S.$1=Yen 83, for convenience only. Contract amount Carrying amount Estimated fair value 28,141 15,584 85 (382) 37 9 (382) 37 9 41,323 17,223 9 (606) 9 (606) Contract amount Carrying amount Estimated fair value 497,867 207,506 108 (7,301) 108 (7,301) (10) Net Income per Share Term Item Net income attributable to TDK Weighted average common shares outstanding - Basic Effect of dilutive stock options Weighted average common shares outstanding - Diluted Per common share : Net income attributable to TDK / Basic Net income attributable to TDK / Diluted Note: U.S.$1=Yen 83, for convenience only. FY2010 FY2011 (April 1, 2009 March 31, 2010) (April 1, 2010 - March 31, 2011) (Yen millions) 13,520 (Yen millions) 45,264 Number of shares (Thousands) Number of shares (Thousands) 128,987 97 129,084 128,993 123 129,116 (Yen) (Yen) 104.82 104.74 (11) Significant Subsequent Events Nothing to report. 19 350.90 350.57 (U.S.$ thousands) 545,349 (U.S.$) 4.23 4.22