TDK Corporation October 30, 2008 Contact; TDK Corporation(Tokyo) Corporate Communications Department +81(3)5201-7102 Tatsuhiko Atsumi Consolidated results (U.S. GAAP) for the 2nd quarter of FY March 2009 Summary (April 1, 2008 - September 30, 2008) Term 1H of FY2008 1H of FY2009 Change (April 1, 2007 - Sep. 30, 2007) (April 1, 2008 - September 30, 2008) (Yen millions) (Yen millions) % % (U.S.$ thousands) (Yen millions) Change(%) Item 100.0 100.0 3,812,856 -8.4 Net sales 433,088 396,537 (36,551) 10.9 -69.5 3.6 138,279 (32,764) 47,145 14,381 Operating income 11.2 3.7 -69.3 142,558 48,362 14,826 (33,536) Income before income taxes 8.0 3.0 -65.7 34,626 11,868 (22,758) 114,115 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 Number of employees Yen Yen 266.16 265.81 38,242 33,112 27,051 4,673 68.5% 58,170 Yen Yen 7.6 6.2 - 92.02 91.97 67,716 38,824 27,149 1,899 74.2% 65,243 Note: U.S.$1=Yen 104, for convenience only. 1 U.S.$ 0.88 U.S.$ 0.88 - 9.8 6.8 - 651,115 373,308 261,048 18,260 - 29,474 5,712 98 (2,774) 77.1 17.3 0.4 -59.4