Consolidated 6) Segment Information [3rd Qtr. results] The following industry and geographic segment information are required by the Japanese Securities Exchange Law. 1. Industry segment information Term Product Electronic materials and components Net sales External sales Intersegment Operating expenses Operating income Recording media Net sales External sales Intersegment Operating expenses Operating income (loss) TOTAL Net sales External sales Intersegment Operating expenses Operating income Note: U.S.$1=Yen 118 2. Geographic segment information Term Region Japan Americas Europe Asia and others Intersegment eliminations Total Net sales Operating income Net sales Operating income Net sales Operating income (loss) Net sales Operating income Net sales Operating income (loss) Net sales Operating income The 3rd Qtr. of FY2005 The 3rd Qtr. of FY2006 (Oct. 1, 2004 - Dec. 31, 2004) (Oct. 1, 2005 - Dec. 31, 2005) (Yen millions) % (U.S.$ thousands) (Yen millions) % 192,091 192,091 169,892 22,199 100.0 88.4 11.6 1,627,890 1,627,890 1,439,763 188,127 30,563 100.0 30,563 31,471 103.0 -3.0 (908) 259,008 259,008 266,703 (7,695) 100.0 1,886,898 1,886,898 1,706,466 180,432 222,654 222,654 201,363 21,291 90.4 9.6 The 3rd Qtr. of FY2006 Change (Yen millions) Change(%) 86.4 13.6 48,345 48,345 45,725 2,620 33.6 33.6 36.8 13.4 30,472 100.0 30,472 32,789 107.6 (2,317) -7.6 91 91 (1,318) 1,409 0.3 0.3 -4.0 60.8 48,436 48,436 44,407 4,029 27.8 27.8 28.3 23.3 143,746 143,746 124,167 19,579 174,218 174,218 156,956 17,262 100.0 100.0 90.1 9.9 The 3rd Qtr. of FY2005 (Oct. 1, 2005 - Dec. 31, 2005) (Oct. 1, 2004 - Dec. 31, 2004) (Yen millions) % (U.S.$ thousands) (Yen millions) % 99,593 100.0 844,008 87,342 100.0 7.6 7.8 7,546 63,949 6,793 22,010 100.0 27,109 100.0 229,737 8.7 6.7 15,390 1,816 1,911 22,579 100.0 191,347 18,527 100.0 0.1 16 135 (1,367) -7.4 107,922 100.0 148,968 100.0 1,262,441 8.3 104,212 9,494 12,297 8.8 61,583 640,635 75,595 3,254 (431) 384 174,218 100.0 222,654 100.0 1,886,898 21,291 9.6 180,432 9.9 17,262 Change (Yen millions) Change(%) 14.0 11.1 23.2 -5.0 21.9 38.0 29.5 12,251 753 5,099 (95) 4,052 1,383 41,046 2,803 14,012 815 48,436 4,029 27.8 23.3 Notes: 1. Net sales in each geographic area are based on the location of TDK entities where the sales are generated. 2. U.S.$1=Yen 118 3. Sales by region Term The 3rd Qtr. of FY2006 (Oct. 1, 2005 - Dec. 31, 2005) (Yen millions) % (U.S.$ thousands) 25,332 214,678 11.4 22,578 191,339 10.2 131,229 58.9 1,112,110 179,139 1,518,127 80.5 43,515 368,771 19.5 222,654 100.0 1,886,898 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 118 14 / 16 The 3rd Qtr. of FY2005 Change (Oct. 1, 2004 - Dec. 31, 2004) (Yen millions) 19,724 18,581 86,627 124,932 49,286 174,218 % 11.3 10.7 49.7 71.7 28.3 100.0 (Yen millions) 5,608 3,997 44,602 54,207 (5,771) 48,436 Change(%) 28.4 21.5 51.5 43.4 -11.7 27.8 Consolidated 9 months period results The following industry and geographic segment information are required by the Japanese Securities Exchange Law. 1. Industry segment information Term Product Electronic materials and components Net sales External sales Intersegment Operating expenses Operating income Recording media Net sales External sales Intersegment Operating expenses Operating income (loss) TOTAL Net sales External sales Intersegment Operating expenses Operating income Note: U.S.$1=Yen 118 2. Geographic segment information Term Region Japan Americas Europe Asia and others Intersegment eliminations Total The nine-monthperiod of FY2005 The nine-month-period of FY2006 Change (Apr. 1, 2004 - Dec. 31, 2004) (Apr. 1, 2005 - Dec. 31, 2005) (Yen millions) % (U.S.$ thousands) (Yen millions) % 492,811 492,811 438,343 54,468 88.9 11.1 4,176,365 4,176,365 3,714,772 461,593 80,230 100.0 80,230 85,357 106.4 (5,127) -6.4 679,915 679,915 723,364 (43,449) 573,041 573,041 523,700 49,341 100.0 100.0 91.4 8.6 87.6 12.4 87,979 87,979 83,849 4,130 21.7 21.7 23.7 8.2 86,878 100.0 86,878 92,214 106.1 (5,336) -6.1 (6,648) (6,648) (6,857) 209 -7.7 -7.7 -7.4 3.9 81,331 81,331 76,992 4,339 16.5 16.5 17.2 9.6 404,832 404,832 354,494 50,338 4,856,280 4,856,280 4,438,136 418,144 491,710 491,710 446,708 45,002 The nine-month-period of FY2006 (Yen millions) Change(%) 100.0 100.0 90.8 9.2 The nine-monthperiod of FY2005 (Apr. 1, 2005 - Dec. 31, 2005) (Apr. 1, 2004 - Dec. 31, 2004) (Yen millions) % (U.S.$ thousands) (Yen millions) % 266,440 100.0 2,257,966 Net sales 260,438 100.0 17,924 151,898 6.7 17,756 Operating income 6.8 73,935 100.0 626,568 Net sales 66,150 100.0 6,716 56,915 4,250 6.4 Operating income 9.1 466,797 Net sales 54,435 100.0 55,082 100.0 (22,974) -4.9 Operating income (loss) (2,750) -5.1 (2,711) 3,242,627 Net sales 295,987 100.0 382,630 100.0 242,644 9.1 Operating income 26,828 28,632 7.5 1,737,678 185,300 Net sales 205,046 Operating income 10,339 1,082 1,220 573,041 100.0 Net sales 4,856,280 491,710 100.0 8.6 Operating income 45,002 49,341 418,144 9.2 Change (Yen millions) Change(%) 6,002 168 7,785 2,466 647 39 86,643 1,804 19,746 138 81,331 4,339 2.3 0.9 11.8 58.0 1.2 1.4 29.3 6.7 16.5 9.6 Notes: 1. Net sales in each geographic area are based on the location of TDK entities where the sales are generated. 2. U.S.$1=Yen 118 3. Sales by region Term The nine-month-period of FY2006 (Apr. 1, 2005 - Dec. 31, 2005) (Yen millions) % (U.S.$ thousands) 64,798 549,136 11.3 55,247 468,195 9.7 323,399 56.4 2,740,669 443,444 3,758,000 77.4 129,597 1,098,280 22.6 573,041 100.0 4,856,280 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 118 15 / 16 The nine-monthperiod of FY2005 Change (Apr. 1, 2004 - Dec. 31, 2004) (Yen millions) 59,525 54,554 240,723 354,802 136,908 491,710 % 12.1 11.1 49.0 72.2 27.8 100.0 (Yen millions) 5,273 693 82,676 88,642 (7,311) 81,331 Change(%) 8.9 1.3 34.3 25.0 -5.3 16.5