TDK Corporation Consolidated 3Q of FY March 2008(U.S. GAAP) 9) Supplementary Information (Consolidated) Exchange rates used for conversion Term Item Average rate for the period The end of the period October 1, 2006 December 31, 2006 US$=Yen Euro=Yen 151.95 117.83 119.11 156.50 October 1, 2007 December 31, 2007 US$=Yen Euro=Yen 113.26 163.90 114.15 166.66 Overseas sales by division Term Product Electronic materials and components Electronic materials Electronic devices Recording devices Other electronic components Recording media Overseas sales October 1, 2006 December 31, 2006 Ratio to Amount (Yen millions) sales (%) 156,950 70.3 36,488 16.3 32,345 14.5 75,515 33.8 12,602 5.7 21,554 9.7 178,504 80.0 October 1, 2007 December 31, 2007 Ratio to Amount (Yen millions) sales (%) 80.3 180,970 38,710 17.2 35,574 15.8 88,760 39.4 17,926 7.9 5,523 2.5 186,493 82.8 Change(%) 15.3 6.1 10.0 17.5 42.2 -74.4 4.5 9-month-period results Term Product Electronic materials and components Electronic materials Electronic devices Recording devices Other electronic components Recording media Overseas sales April 1, 2006 December 31, 2006 Ratio to Amount (Yen millions) sales (%) 462,155 71.3 107,983 16.7 94,061 14.5 226,778 35.0 33,333 5.1 58,250 9.0 520,405 80.3 April 1, 2007 December 31, 2007 Ratio to Amount (Yen millions) sales (%) 511,686 77.7 116,799 17.7 106,605 16.2 243,867 37.0 44,415 6.8 31,628 4.8 543,314 82.5 19 Change(%) 10.7 8.2 13.3 7.5 33.2 -45.7 4.4 April 1, 2006 March 31, 2007 Ratio to Amount (Yen millions) sales (%) 611,932 71.0 145,548 16.9 125,930 14.6 299,772 34.8 40,682 4.7 78,741 9.1 690,673 80.1