TDK Corporation July 31, 2007 Contact; TDK Corporation(Tokyo) Corporate Communications Department +81(3)5201-7102 Michinori Katayama Consolidated results (U.S. GAAP) for the 1st quarter of FY March 2008 Summary (April 1, 2007 - June 30, 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$=Yen Euro=Yen 1Q of FY2007 (April 1, 2006 - June 30, 2006) (Yen millions) % 1Q of FY2008 (April 1, 2007 - June 30, 2007) (Yen millions) Change % (U.S.$ thousands) (Yen millions) Change(%) 100.0 1,680,480 3,059 1.5 7.8 131,130 (1,886) -10.5 203,640 18,015 100.0 8.8 206,699 16,129 17,949 8.8 20,181 9.8 164,073 2,232 12.4 13,276 6.5 16,022 7.8 130,260 2,746 20.7 7,981,984 6,091,472 66,152 45,128 915,632 704,123 - 981,784 749,251 Yen 100.36 Yen 100.25 Yen 5,321.60 16,093 15,115 11,448 1,250 64.0% 56,381 - Yen 122.07 Yen 121.90 Yen 5,810.72 7.4 5.6 - 22,170 16,153 13,558 2,412 67.2% 52,640 Yen 114.50 Yen 143.82 - 7.8 6.6 - U.S.$ 0.99 U.S.$ 0.99 U.S.$ 47.24 180,244 131,325 110,228 19,610 - 6,077 1,038 2,110 1,162 37.8 6.9 18.4 93.0 Yen 120.82 Yen 162.75 (Sales breakdown) Term Product Electronic materials and components Electronic materials Electronic devices Recording devices Other electronic components Recording media Total sales Overseas sales Notes: 1Q of FY2007 (April 1, 2006 - June 30, 2006) (Yen millions) % 1Q of FY2008 (April 1, 2007 - June 30, 2007) (Yen millions) % (U.S.$ thousands) (Yen millions) Change(%) 180,131 88.5 185,446 89.7 1,507,691 47,666 46,351 73,788 23.4 22.8 36.2 49,703 49,981 70,416 24.0 24.2 34.1 12,326 6.1 15,346 23,509 203,640 162,659 11.5 100.0 79.9 21,253 206,699 167,756 5,315 3.0 404,089 406,350 572,488 2,037 3,630 (3,372) 4.3 7.8 -4.6 7.4 124,764 3,020 24.5 10.3 100.0 81.2 172,789 1,680,480 1,363,870 (2,256) 3,059 5,097 -9.6 1.5 3.1 1. Above results are unaudited by independent accountant. 2. U.S.$1=Yen 123, for convenience only. 1 Change