TDK Corporation January 31, 2012 Contact; TDK Corporation(Tokyo) Corporate Communications Department Tatsuhiko Atsumi +81(3)5201-7102 Consolidated results (U.S. GAAP) for the 3rd quarter of FY March 2012 Summary (April 1, 2011 - December 31, 2011) The 9-month-period of FY2011 The 9-month-period of FY2012 Change (Apr. 1, 2010 - Dec. 31, 2010) (April 1, 2011 - December 31, 2011) (Yen millions) (Yen millions) % % (U.S.$ thousands) (Yen millions) Change(%) Item 100.0 608,925 100.0 7,806,731 (53,246) -8.0 662,171 Net sales 54,401 8.2 20,820 3.4 -61.7 266,923 (33,581) Operating income 51,201 7.7 13,908 2.3 178,308 (37,293) -72.8 Income before income taxes 38,711 5.8 (4,922) -0.8 (63,103) (43,633) Net income (loss) attributable to TDK Term Per common share : Net income (loss) attributable to TDK / Basic Net income (loss) attributable to TDK / Diluted Capital expenditures Depreciation and amortization Research and development Result of financial income (loss) Ratio of overseas production Number of employees Yen 300.10 Yen (38.15) U.S.$ (0.49) Yen 299.82 Yen (38.15) U.S.$ (0.49) 54,081 57,511 38,885 (1,064) 83.7% 83,895 8.7 5.9 - 76,339 56,186 39,357 (853) 81.1% 82,912 978,705 720,333 504,577 (10,936) - 9.2 6.5 - 22,258 (1,325) 472 211 41.2 -2.3 1.2 - 3rd quarter consolidated results (October 1, 2011 - December 31, 2011) Term Item Net sales Operating income Income before income taxes Net income (loss) attributable to TDK Per common share : Net income (loss) attributable to TDK / Basic Net income (loss) attributable to TDK / Diluted Capital expenditures Depreciation and amortization Research and development Result of financial income (loss) Ratio of overseas production 3Q of FY2011 3Q of FY2012 Change (Oct. 1, 2010 - Dec. 31, 2010) (October 1, 2011 - December 31, 2011) (Yen millions) (Yen millions) % % (U.S.$ thousands) (Yen millions) Change(%) (28,169) 219,937 100.0 191,768 100.0 2,458,564 -12.8 7.8 7,028 3.7 90,103 (10,185) -59.2 17,213 16,557 7.5 3,227 1.7 41,372 (13,330) -80.5 -6.1 5.7 (11,641) (149,244) (24,236) 12,595 Yen 97.64 Yen (90.24) U.S.$ (1.16) Yen 97.54 Yen (90.24) U.S.$ (1.16) 20,264 19,747 12,506 (314) 81.8% Note: U.S.$1=Yen 78, for convenience only. 9.0 5.7 - 22,791 18,842 12,931 (148) 80.0% 9.8 6.7 - 292,192 241,564 165,782 (1,897) - 2,527 (905) 425 166 12.5 -4.6 3.4 -