TDK Corporation Consolidated 3Q of FY March 2011(U.S. GAAP) (7) Consolidated Supplementary Information 1. Exchange rates used for conversion Term Item The end of the period As of December 31, 2009 US$=Yen Euro=Yen 92.10 132.00 As of December 31, 2010 US$=Yen Euro=Yen 81.49 107.90 As of March 31, 2010 US$=Yen Euro=Yen 93.04 124.92 2. Geographic information 【9-month-period results】 Term Region Japan Americas Europe Asia and others Eliminations Total Net sales Operating income (loss) Net sales Operating income (loss) Net sales Operating income (loss) Net sales Operating income Net sales Operating income Net sales Operating income The 9-month-period of FY2011 (April 1, 2010 (April 1, 2009 December 31, 2010) December 31, 2009) (Yen millions) % (Yen millions) % (U.S.$ thousands) 100.0 199,584 225,105 100.0 2,779,074 -6.7 (3,218) -1.4 (39,729) (13,366) 58,115 74,450 100.0 919,136 100.0 8.3 76,383 -3.1 6,187 (1,791) 142,910 100.0 1,764,321 112,534 100.0 (3,685) (45,494) -2.6 (15,384) -13.7 486,953 100.0 6,011,766 442,903 100.0 11.5 693,568 56,179 48,172 10.9 3,299,346 267,247 215,623 1,062 13,111 136 597,513 662,171 100.0 8,174,951 100.0 671,617 54,401 8.2 2.9 17,495 The 9-month-period of FY2010 Change (Yen millions) Change(%) 25,521 10,148 16,335 7,978 30,376 11,699 44,050 8,007 51,624 926 64,658 36,906 12.8 28.1 27.0 9.9 16.6 10.8 211.0 【3rd quarter results】 Term Region Japan Americas Europe Asia and others Eliminations Total Net sales Operating income (loss) Net sales Operating income (loss) Net sales Operating income (loss) Net sales Operating income Net sales Operating income (loss) Net sales Operating income 3Q of FY2010 3Q of FY2011 (October 1, 2010 (October 1, 2009 December 31, 2010) December 31, 2009) (Yen millions) % (Yen millions) % (U.S.$ thousands) 894,432 77,254 100.0 72,449 100.0 1,639 2.1 (902) -1.2 (11,136) 301,901 16,436 100.0 24,454 100.0 (4,668) -28.4 2,411 9.9 29,765 40,365 100.0 50,464 100.0 623,012 (4,708) -11.7 (1,685) -3.3 (20,802) 156,491 100.0 159,247 100.0 1,966,013 19,729 12.6 17,875 11.2 220,679 78,884 86,677 1,070,086 (101) 486 6,000 211,662 100.0 219,937 100.0 2,715,272 12,093 5.7 17,213 7.8 212,506 Change (Yen millions) Change(%) (4,805) (2,541) 8,018 7,079 10,099 3,023 2,756 (1,854) 7,793 587 8,275 5,120 Notes: 1 Net sales in each geographic area are based on the location of TDK entities where the sales are generated. 2 U.S.$1=Yen 81, for convenience only. 15 -6.2 48.8 25.0 1.8 -9.4 3.9 42.3 TDK Corporation Consolidated 3Q of FY March 2011(U.S. GAAP) 3. Sales by region 【9-month-period results】 Term Region Americas Europe Asia and others Overseas sales total Japan Net sales (April 1, 2009 December 31, 2009) (Yen millions) % 9.9 59,278 80,677 13.5 379,522 63.5 86.9 519,477 78,036 13.1 597,513 100.0 The 9-month-period of FY2011 Change (April 1, 2010 December 31, 2010) (Yen millions) % (U.S.$ thousands) (Yen millions) Change(%) 15.0 68,151 10.3 841,370 8,873 17.0 94,408 14.2 1,165,531 13,731 415,712 62.8 9.5 5,132,247 36,190 87.3 578,271 11.3 7,139,148 58,794 83,900 12.7 7.5 1,035,803 5,864 662,171 100.0 10.8 8,174,951 64,658 3Q of FY2010 (October 1, 2009 December 31, 2009) (Yen millions) % 22,808 10.8 29,003 13.7 130,624 61.7 182,435 86.2 29,227 13.8 211,662 100.0 3Q of FY2011 Change (October 1, 2010 December 31, 2010) (Yen millions) % (U.S.$ thousands) (Yen millions) Change(%) 20,768 9.5 256,395 (2,040) -8.9 31,554 14.3 389,556 2,551 8.8 138,797 63.1 1,713,543 8,173 6.3 191,119 86.9 2,359,494 8,684 4.8 28,818 13.1 355,778 (409) -1.4 219,937 100.0 2,715,272 8,275 3.9 The 9-month-period of FY2010 【3rd quarter results】 Term Region Americas Europe Asia and others Overseas sales total Japan Net sales Notes: 1 Overseas sales are based on the location of the customers. 2 U.S.$1=Yen 81, for convenience only. 4. Company group As of December 31, 2010, TDK had 128 subsidiaries (15 in Japan and 113 overseas). TDK also had 8 affiliates (4 in Japan and 4 overseas) whose financial statements are accounted for by the equity method. 16 TDK Corporation Consolidated 3Q of FY March 2011(U.S. GAAP) 5. Overview of net sales by product Term Product Capacitors Inductive devices Other Passive Components Recording devices Other Magnetic Application Products Other Consolidated total Term 1Q of FY2010 (April 1, 2009 June 30, 2009) (Yen millions) % 2Q of FY2010 (July 1, 2009 September 30, 2009) (Yen millions) % 28,812 24,758 26,653 80,223 62,854 24,076 15.9 13.6 14.7 44.2 34.6 13.3 33,580 28,917 31,257 93,754 71,039 25,213 16.4 14.2 15.3 45.9 34.8 12.3 86,930 47.9 96,252 47.1 7.9 14,393 181,546 100.0 1Q of FY2011 (April 1, 2010 June 30, 2010) (Yen millions) % Product Capacitors 17.1 37,985 32,513 14.6 Inductive devices 34,583 Other 15.6 47.3 Passive Components 105,081 Recording devices 71,668 32.3 Other 28,594 12.9 Magnetic Application 45.2 100,262 Products 7.5 Other 16,582 Consolidated total 221,925 100.0 Note: U.S.$1=Yen 81, for convenience only. 7.0 14,299 204,305 100.0 2Q of FY2011 (July 1, 2010 September 30, 2010) (Yen millions) % 37,745 34,286 37,450 109,481 65,332 26,912 92,244 41.9 8.4 18,584 220,309 100.0 New Classification Passive Components* 17.1 15.6 17.0 49.7 29.7 12.2 3Q of FY2010 (October 1, 2009 December 31, 2009) (Yen millions) % 34,645 28,945 30,725 94,315 73,827 28,163 101,990 4Q of FY2010 (January 1, 2010 March 31, 2010) (Yen millions) % 16.4 13.7 14.5 44.6 34.9 13.3 36,071 29,338 31,104 96,513 72,281 26,287 17.1 13.9 14.7 45.7 34.2 12.4 48.2 98,568 46.6 7.2 15,357 211,662 100.0 16,264 7.7 211,345 100.0 3Q of FY2011 (October 1, 2010 December 31, 2010) (Yen millions) (U.S.$ thousands) % 35,150 33,945 39,329 108,424 63,039 27,746 16.0 15.4 17.9 49.3 28.7 12.6 433,951 419,074 485,543 1,338,568 778,260 342,543 41.3 1,120,803 20,728 9.4 219,937 100.0 255,901 2,715,272 90,785 Constituent Main business Ceramic capacitors, Aluminum electrolytic capacitors, Film capacitors, Inductive devices (Coils/Ferrite cores/Transformers), High-frequency devices, Piezoelectric material products, Circuit protection components, Sensors Magnetic Application Products Recording devices, Power supplies, Magnets, Recording media Other Energy devices (rechargeable batteries), Mechatronics (production equipments), other * The products of EPCOS have been allocated to similar businesses in the Passive Components. Previous Classification Constituent Main Business Electronic materials Ferrite cores, Ceramic capacitors, Magnets Electronic devices Inductive devices (Coils/Transformers), High-frequency devices, Power supplies, Sensors, Piezoelectric materials and products Recoding devices HDD Heads, other Other Energy devices (rechargeable batteries), Mechatronics (production equipment), EPCOS products, Recording media 17