TDK Corporation Consolidated FY March 2011(U.S. GAAP) (12) Consolidated Supplementary Information 1. Exchange rates used for conversion Term Item The end of the period As of March 31, 2010 US$=Yen Euro=Yen 93.04 124.92 As of March 31, 2011 US$=Yen Euro=Yen 83.15 117.57 2. Geographic information Term FY2010 (April 1, 2009 March 31, 2010) (Yen millions) % 100.0 266,901 (21,219) -8.0 100.0 82,165 302 0.4 155,876 100.0 (18,731) -12.0 100.0 599,846 11.0 65,927 295,930 505 100.0 808,858 25,774 3.2 FY2011 (April 1, 2010 March 31, 2011) Change (Yen millions) Geographic area % (U.S.$ thousands) (Yen millions) Change(%) 24,723 291,624 100.0 3,513,542 9.3 Net sales Japan 6,944 (14,275) -4.9 (171,988) Operating income (loss) 14,244 17.3 1,161,554 96,409 100.0 Net sales Americas 7.7 89,723 7,145 7,447 Operating income 2,346,506 194,760 100.0 38,884 24.9 Net sales Europe (36,723) (3,048) 15,683 -1.6 Operating income (loss) 639,369 100.0 39,523 6.6 7,703,241 Asia and Net sales 74,532 897,976 13.1 11.7 8,605 others Operating income 4,173,795 50,495 346,425 Net sales Eliminations 309 814 9,807 Operating income 66,879 8.3 875,737 100.0 10,551,048 Net sales Total 769,181 63,842 7.3 38,068 147.7 Operating income Notes: 1 Net sales in each geographic area are based on the location of TDK entities where the sales are generated. 2 U.S.$1=Yen 83, for convenience only. 3. Sales by region Term FY2010 (April 1, 2009 March 31, 2010) (Yen millions) % 10.1 82,065 13.9 112,167 510,642 63.1 704,874 87.1 103,984 12.9 808,858 100.0 FY2011 Change (April 1, 2010 March 31, 2011) (Yen millions) % (U.S.$ thousands) (Yen millions) Change(%) 89,627 10.2 1,079,843 7,562 9.2 128,614 14.7 1,549,566 16,447 14.7 6,585,133 35,924 546,566 62.4 7.0 9,214,542 59,933 764,807 87.3 8.5 1,336,506 6,946 110,930 12.7 6.7 10,551,048 66,879 875,737 100.0 8.3 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 83, for convenience only. 20 TDK Corporation Consolidated FY March 2011(U.S. GAAP) 4. Overview of net sales of 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 14,393 7.9 181,546 100.0 1Q of FY2011 (April 1, 2010 June 30, 2010) (Yen millions) % Product Capacitors 17.1 37,985 32,513 Inductive devices 14.6 34,583 Other 15.6 Passive Components 105,081 47.3 71,668 Recording devices 32.3 Other 28,594 12.9 Magnetic Application 100,262 45.2 Products 16,582 7.5 Other 221,925 100.0 Consolidated total Note: U.S.$1=Yen 83, for convenience only. 34,645 28,945 30,725 94,315 73,827 28,163 101,990 14,299 7.0 204,305 100.0 2Q of FY2011 (July 1, 2010 September 30, 2010) (Yen millions) % 37,745 34,286 37,450 109,481 65,332 26,912 92,244 36,071 29,338 31,104 96,513 72,281 26,287 17.1 13.9 14.7 45.7 34.2 12.4 48.2 98,568 46.6 3Q of FY2011 (Oct 1, 2010 December 31, 2010) (Yen millions) % 17.1 15.6 17.0 49.7 29.7 12.2 41.9 35,150 33,945 39,329 108,424 63,039 27,746 90,785 4Q of FY2010 (January 1, 2010 March 31, 2010) (Yen millions) % 16.4 13.7 14.5 44.6 34.9 13.3 15,357 7.2 211,662 100.0 18,584 8.4 220,309 100.0 New Classification Passive Components* 3Q of FY2010 (October 1, 2009 December 31, 2009) (Yen millions) % 16.0 15.4 17.9 49.3 28.7 12.6 41.3 20,728 9.4 219,937 100.0 16,264 7.7 211,345 100.0 4Q of FY2011 (January 1, 2011 March 31, 2011) (Yen millions) (U.S.$ thousands) % 34,513 35,018 38,594 108,125 57,483 27,707 16.1 415,819 16.4 421,904 464,988 18.1 1,302,711 50.6 692,566 26.9 333,819 13.0 39.9 1,026,385 20,251 9.5 213,566 100.0 243,988 2,573,084 85,190 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 21