TDK Corporation 1-13-1, Nihonbashi Chuo-ku, Tokyo 103-8272 Japan Contacts; TDK Corporation(Tokyo) Corporate Communications Department +81(3)5201-7102 Michinori Katayama TDK U.S.A. Corporation Francis J. Sweeney +1(516)535-2600 TDK Marketing Europe GmbH Marco Donadoni +49(2102)4870 FOR IMMEDIATE RELEASE TOKYO - January 30, 2007 TDK Corporation today announced its Consolidated business results prepared in conformity with U.S. generally accepted accounting principles (the "U.S. GAAP") for the 3rd quarter ("Qtr.") of fiscal year ("FY") 2007, the three months ended December 31, 2006, and for the nine-month-period from April 1, 2006 through December 31, 2006. 1) Summary Consolidated results (October 1, 2006 - December 31, 2006) Term Item Net sales Operating income Income from continuing operations before income taxes Income from continuing operations Net income Per common share: Net income / Basic Net income / Diluted The 3rd Qtr. of FY2006 The 3rd Qtr. of FY2007 Change (October 1, 2006 - December 31, 2006) (Oct. 1, 2005 - Dec. 31, 2005) (Yen millions) % (U.S.$ thousands) (Yen millions) % (Yen millions) Change(%) 223,253 23,141 100.0 10.4 1,876,076 194,462 222,654 21,291 100.0 9.6 599 1,850 0.3 8.7 26,048 11.7 218,891 22,011 9.9 4,037 18.3 19,669 8.8 165,286 16,568 7.4 3,101 18.7 19,669 8.8 165,286 16,568 7.4 3,101 18.7 Yen 148.69 Yen 148.52 U.S.$ 1.25 U.S.$ 1.25 Yen 125.31 Yen 125.16 (Sales breakdown) Term Product Electronic materials and components Electronic materials Electronic devices Recording devices Other electronic components Recording media Total sales Overseas sales The 3rd Qtr. of FY2006 The 3rd Qtr. of FY2007 Change (October 1, 2006 - December 31, 2006) (Oct. 1, 2005 - Dec. 31, 2005) (Yen millions) % (U.S.$ thousands) (Yen millions) % (Yen millions) Change(%) 194,541 87.1 1,634,799 192,091 86.3 2,450 50,295 50,548 76,784 22.5 22.6 34.4 422,647 424,773 645,244 47,613 46,979 85,736 21.4 21.1 38.5 2,682 3,569 (8,952) 5.6 7.6 -10.4 16,914 7.6 142,135 11,763 5.3 5,151 43.8 28,712 223,253 178,504 12.9 100.0 80.0 241,277 1,876,076 1,500,034 30,563 222,654 179,139 13.7 100.0 80.5 (1,851) 599 (635) -6.1 0.3 -0.4 Notes: 1. Consolidated results are unaudited by independent auditors. 2. U.S.$1 = Yen 119, for convenience only. 1 / 18 1.3 Consolidated 9 months Consolidated results Consolidated results (April 1, 2006 - December 31, 2006) Term Item Net sales Operating income Income from continuing operations before income taxes Income from continuing operations Net income Per common share: Net income / Basic Net income / Diluted The nine-month-period of FY2007 (April 1, 2006 - December 31, 2006) (Yen millions) % (U.S.$ thousands) The nine-monthperiod of FY2006 Change (Apr. 1, 2005 - Dec. 31, 2005) (Yen millions) % (Yen millions) Change(%) 100.0 13.1 75,050 8.6 24.5 12,064 648,091 61,405 100.0 9.5 5,446,143 516,008 573,041 49,341 67,377 10.4 566,193 53,609 9.4 13,768 25.7 49,291 7.6 414,210 38,218 6.7 11,073 29.0 49,291 7.6 414,210 38,234 6.7 11,057 28.9 Yen 372.58 Yen 372.18 U.S.$ 3.13 U.S.$ 3.13 Yen 289.14 Yen 288.88 (Sales breakdown) Term Product Electronic materials and components Electronic materials Electronic devices Recording devices Other electronic components Recording media Total sales Overseas sales The nine-month-period of FY2007 (April 1, 2006 - December 31, 2006) (Yen millions) % 571,248 88.1 149,008 147,130 230,839 The nine-monthperiod of FY2006 Change (Apr. 1, 2005 - Dec. 31, 2005) (Yen millions) Change(%) (Yen millions) % 4,800,404 492,811 86.0 78,437 15.9 23.0 22.7 35.6 1,252,168 1,236,387 1,939,824 133,702 107,931 226,024 23.3 18.8 39.5 15,306 39,199 4,815 11.4 36.3 2.1 44,271 6.8 372,025 25,154 4.4 19,117 76.0 76,843 648,091 520,405 11.9 100.0 80.3 645,739 5,446,143 4,373,151 80,230 573,041 443,444 14.0 100.0 77.4 (3,387) 75,050 76,961 -4.2 13.1 17.4 (U.S.$ thousands) Notes: 1. Consolidated results are unaudited by independent auditors. 2. U.S.$1 = Yen 119, for convenience only. 2 / 18