Consolidated 7) 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 The 3rd Qtr. of FY2006 The 3rd Qtr. of FY2007 Change (Oct. 1, 2005 - Dec. 31, 2005) (Oct. 1, 2006 - Dec. 31, 2006) (Yen millions) % (U.S.$ thousands) (Yen millions) % Product Electronic materials and components 194,541 Net sales 194,541 External sales Intersegment 171,533 Operating expenses 23,008 Operating income Recording media 28,712 Net sales 28,712 External sales Intersegment 28,579 Operating expenses 133 Operating income (loss) TOTAL 223,253 Net sales 223,253 External sales Intersegment 200,112 Operating expenses 23,141 Operating income Note: U.S.$1=Yen 119, for convenience only. 2. Geographic segment information Term Region Japan Americas Europe Asia and others Intersegment eliminations Total Net sales Operating income Net sales Operating income Net sales Operating income Net sales Operating income Net sales Operating income Net sales Operating income 100.0 88.2 11.8 100.0 99.5 0.5 100.0 89.6 10.4 1,634,799 1,634,799 1,441,454 193,345 241,277 241,277 240,160 1,117 1,876,076 1,876,076 1,681,614 194,462 The 3rd Qtr. of FY2007 (Yen millions) Change(%) 88.4 11.6 2,450 2,450 1,641 809 1.3 1.3 1.0 3.6 30,563 100.0 30,563 31,471 103.0 (908) -3.0 (1,851) (1,851) (2,892) 1,041 -6.1 -6.1 -9.2 - 599 599 (1,251) 1,850 0.3 0.3 -0.6 8.7 192,091 192,091 169,892 22,199 222,654 222,654 201,363 21,291 100.0 100.0 90.4 9.6 The 3rd Qtr. of FY2006 Change (Oct. 1, 2006 - Dec. 31, 2006) (Oct. 1, 2005 - Dec. 31, 2005) (Yen millions) % (U.S.$ thousands) (Yen millions) % 102,397 100.0 860,479 99,593 100.0 9.4 7.6 9,584 80,538 7,546 27,109 100.0 28,267 100.0 237,538 6.7 3.2 7,697 916 1,816 22,465 100.0 188,782 22,579 100.0 2.2 503 4,227 16 0.1 148,968 100.0 146,392 100.0 1,230,185 8.9 108,908 12,297 12,960 8.3 75,595 640,908 76,268 6,908 384 822 222,654 100.0 223,253 100.0 1,876,076 23,141 10.4 194,462 9.6 21,291 (Yen millions) Change(%) 2.8 27.0 4.3 -49.6 -0.5 -1.7 5.4 2,804 2,038 1,158 (900) (114) 487 (2,576) 663 673 438 599 1,850 0.3 8.7 Notes: 1. Net sales in each geographic area are based on the location of TDK entities where the sales are generated. 2. U.S.$1=Yen 119, for convenience only. 3. Sales by region Term The 3rd Qtr. of FY2007 (Oct. 1, 2006 - Dec. 31, 2006) (Yen millions) % (U.S.$ thousands) 26,872 225,815 12.0 22,279 187,219 10.0 129,353 58.0 1,087,000 178,504 1,500,034 80.0 44,749 376,042 20.0 223,253 100.0 1,876,076 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 119, for convenience only. 16 / 18 The 3rd Qtr. of FY2006 Change (Oct. 1, 2005 - Dec. 31, 2005) (Yen millions) 25,332 22,578 131,229 179,139 43,515 222,654 % 11.4 10.2 58.9 80.5 19.5 100.0 (Yen millions) 1,540 (299) (1,876) (635) 1,234 599 Change(%) 6.1 -1.3 -1.4 -0.4 2.8 0.3 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 The nine-month-period of FY2007 The nine-monthperiod of FY2006 Product Electronic materials and components 571,248 Net sales 571,248 External sales Intersegment 507,673 Operating expenses 63,575 Operating income Recording media 76,843 Net sales 76,843 External sales Intersegment 79,013 Operating expenses (2,170) Operating income (loss) TOTAL 648,091 Net sales 648,091 External sales Intersegment 586,686 Operating expenses 61,405 Operating income Note: U.S.$1=Yen 119, for convenience only. 2. Geographic segment information Term Region Japan Americas Europe Asia and others Intersegment eliminations Total Net sales Operating income Net sales Operating income Net sales Operating income (loss) Net sales Operating income Net sales Operating income Net sales Operating income 100.0 88.9 11.1 100.0 102.8 -2.8 100.0 90.5 9.5 4,800,404 4,800,404 4,266,160 534,244 645,739 645,739 663,975 (18,236) 5,446,143 5,446,143 4,930,135 516,008 The nine-month-period of FY2007 FY2006 Change (Apr. 1, 2005 - Dec. 31, 2005) (Apr. 1, 2006 - Dec. 31, 2006) (Yen millions) % (U.S.$ thousands) (Yen millions) % (Apr. 1, 2005 - Mar. 31, 2006) (Yen millions) Change(%) (Yen millions) % 88.9 11.1 78,437 78,437 69,330 9,107 15.9 15.9 15.8 16.7 687,750 687,750 613,417 74,333 80,230 100.0 80,230 85,357 106.4 -6.4 (5,127) (3,387) (3,387) (6,344) 2,957 -4.2 -4.2 -7.4 57.7 107,430 100.0 107,430 121,240 112.9 (13,810) -12.9 100.0 75,050 75,050 62,986 12,064 13.1 13.1 12.0 24.5 795,180 795,180 734,657 60,523 492,811 492,811 438,343 54,468 573,041 573,041 523,700 49,341 100.0 91.4 8.6 The nine-monthperiod of FY2006 89.2 10.8 100.0 92.4 7.6 FY2006 Change (Apr. 1, 2006 - Dec. 31, 2006) (Apr. 1, 2005 - Dec. 31, 2005) (Yen millions) % (U.S.$ thousands) (Yen millions) % 266,440 100.0 296,205 100.0 2,489,118 24,713 207,672 8.3 17,924 6.7 85,422 100.0 717,832 73,935 100.0 5,697 6,716 47,874 9.1 6.7 517,134 61,539 100.0 55,082 100.0 (3,538) (2,711) (421) -0.7 -4.9 3,645,185 433,777 100.0 382,630 100.0 32,128 269,983 7.5 28,632 7.4 228,852 1,923,126 205,046 712 5,983 1,220 648,091 100.0 5,446,143 573,041 100.0 49,341 9.5 61,405 516,008 8.6 100.0 (Apr. 1, 2005 - Mar. 31, 2006) (Yen millions) Change(%) 29,765 6,789 11,487 (1,019) 6,457 2,290 51,147 3,496 23,806 (508) 75,050 12,064 11.2 37.9 15.5 -15.2 11.7 84.5 13.4 12.2 13.1 24.5 (Yen millions) 360,210 49,437 105,979 9,995 76,240 (9,996) 531,824 12,607 279,073 1,520 795,180 60,523 % 100.0 13.7 100.0 9.4 100.0 -13.1 100.0 2.4 100.0 7.6 Notes: 1. Net sales in each geographic area are based on the location of TDK entities where the sales are generated. 2. U.S.$1=Yen 119, for convenience only. 3. Sales by region Term The nine-month-period of FY2007 (Apr. 1, 2006 - Dec. 31, 2006) (Yen millions) % (U.S.$ thousands) 78,197 657,118 12.1 61,149 513,857 9.4 381,059 58.8 3,202,176 520,405 4,373,151 80.3 127,686 1,072,992 19.7 648,091 100.0 5,446,143 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 119, for convenience only. The nine-monthperiod of FY2006 FY2006 Change (Apr. 1, 2005 - Dec. 31, 2005) (Yen millions) 17 / 18 64,798 55,247 323,399 443,444 129,597 573,041 % 11.3 9.7 56.4 77.4 22.6 100.0 (Apr. 1, 2005 - Mar. 31, 2006) (Yen millions) 13,399 5,902 57,660 76,961 (1,911) 75,050 Change(%) 20.7 10.7 17.8 17.4 -1.5 13.1 (Yen millions) 90,192 75,895 455,435 621,522 173,658 795,180 % 11.4 9.5 57.3 78.2 21.8 100.0