TDK Corporation January 31, 2008 Contact; TDK Corporation(Tokyo) Corporate Communications Department +81(3)5201-7102 Michinori Katayama Consolidated results (U.S. GAAP) for the 3rd Quarter of FY March 2008 Summary (October 1, 2007 - December 31, 2007) Term Item Net sales Operating income Income before income taxes Net income Total assets Total stockholders' equity Per common share: Net income / Basic Net income / Diluted Stockholders' equity Capital expenditures Depreciation and amortization Research and development Result of financial income Ratio of overseas production Number of employees Average rate for the period US$=Yen Euro=Yen The 3rd quarter of FY2007 The 3rd quarter of FY2008 Change (Oct. 1, 2006 - Dec. 31, 2006) (October 1, 2007 - December 31, 2007) (Yen millions) (Yen millions) % % (U.S.$ thousands) (Yen millions) Change(%) 223,253 23,141 100.0 10.4 225,342 26,717 100.0 11.9 1,976,684 234,360 2,089 3,576 0.9 15.5 26,048 11.7 28,640 12.7 251,228 2,592 10.0 19,669 8.8 21,713 9.6 190,465 2,044 10.4 8,618,912 6,624,930 6,560 10,846 975,996 744,396 - 982,556 755,242 Yen 148.69 Yen 148.52 Yen 5,623.34 15,122 16,780 12,654 1,874 61.4% 53,000 - Yen 167.39 Yen 167.25 Yen 5,856.67 7.5 5.7 - 20,600 17,584 13,942 2,160 73.0% 58,718 Yen 117.83 Yen 151.95 U.S.$ 1.47 U.S.$ 1.47 U.S.$ 51.37 7.8 6.2 - 180,702 154,246 122,298 18,947 - 5,478 804 1,288 286 36.2 4.8 10.2 15.3 Yen 113.26 Yen 163.90 (Sales breakdown) Term Product Electronic materials and components Electronic materials Electronic devices Recording devices Other electronic components Recording media Total sales Overseas sales Notes: The 3rd quarter of FY2007 The 3rd quarter of FY2008 Change (Oct. 1, 2006 - Dec. 31, 2006) (October 1, 2007 - December 31, 2007) (Yen millions) (Yen millions) % % (U.S.$ thousands) (Yen millions) Change(%) 194,541 87.1 217,766 96.6 1,910,228 23,225 11.9 50,295 50,548 76,784 22.5 22.6 34.4 51,421 53,296 89,910 22.8 23.6 39.9 451,061 467,509 788,684 1,126 2,748 13,126 2.2 5.4 17.1 16,914 7.6 23,139 10.3 202,974 6,225 36.8 28,712 223,253 178,504 12.9 100.0 80.0 7,576 225,342 186,493 3.4 100.0 82.8 66,456 1,976,684 1,635,904 (21,136) 2,089 7,989 -73.6 0.9 4.5 1. Consolidated results are unaudited by independent auditors. 2. U.S.$1=Yen 114, for convenience only. 1 TDK Corporation Consolidated 3Q of FY March 2008(U.S. GAAP) TDK Corporation January 31, 2008 9-month-period Consolidated results (April 1, 2007 - December 31, 2007) Term Item Net sales Operating income Income before income taxes Net income Per common share: Net income / Basic Net income / Diluted Capital expenditures Depreciation and amortization Research and development Result of financial income Ratio of overseas production The 9-month-period of FY2007 The 9-month-period of FY2008 Change (April 1, 2006 - Dec. 31, 2006) (April 1, 2007 - December 31, 2007) (Yen millions) (Yen millions) % % (U.S.$ thousands) (Yen millions) Change(%) 100.0 648,091 100.0 658,430 5,775,702 10,339 1.6 11.2 61,405 647,912 20.3 73,862 12,457 9.5 67,377 10.4 77,002 11.7 675,456 9,625 14.3 49,291 7.6 56,339 8.6 494,202 7,048 14.3 7,740 3,032 4,559 2,040 15.1 6.4 12.5 42.6 Yen 372.58 Yen 372.18 51,102 47,664 36,434 4,793 62.9% Yen 433.55 Yen 433.06 7.4 5.6 - 58,842 50,696 40,993 6,833 70.0% - 7.7 6.2 - U.S.$ 3.80 U.S.$ 3.80 516,158 444,702 359,588 59,939 - (Sales breakdown) Term Product Electronic materials and components Electronic materials Electronic devices Recording devices Other electronic components Recording media Total sales Overseas sales Notes: The 9-month-period of FY2007 The 9-month-period of FY2008 Change (April 1, 2006 - Dec. 31, 2006) (April 1, 2007 - December 31, 2007) (Yen millions) (Yen millions) % % (U.S.$ thousands) (Yen millions) Change(%) 571,248 88.1 616,187 93.6 5,405,149 44,939 7.9 149,008 147,130 230,839 23.0 22.7 35.6 154,187 157,732 246,830 23.4 24.0 37.5 1,352,518 1,383,614 2,165,175 5,179 10,602 15,991 3.5 7.2 6.9 44,271 6.8 57,438 8.7 503,842 13,167 29.7 76,843 648,091 520,405 11.9 100.0 80.3 42,243 658,430 543,314 6.4 100.0 82.5 370,553 5,775,702 4,765,912 (34,600) 10,339 22,909 -45.0 1.6 4.4 1. Consolidated results are unaudited by independent auditors. 2. U.S.$1=Yen 114, for convenience only. 2