Consolidated I-9) Segment Information The following industry and geographic segment information are required by the Japanese Securities Exchange Law. 1. Industry segment information Term The first half of FY2006 The first half of FY2007 (April 1, 2006 - Sep. 30, 2006) (Yen millions) Product % (U.S.$ thousands) Electronic materials and components 376,707 100.0 3,192,432 Net sales 376,707 3,192,432 External sales Intersegment 336,140 2,848,644 89.2 Operating expenses 40,567 343,788 10.8 Operating income Recording media 48,131 100.0 407,890 Net sales 48,131 407,890 External sales Intersegment 50,434 104.8 427,407 Operating expenses (2,303) -4.8 (19,517) Operating income (loss) TOTAL 424,838 100.0 3,600,322 Net sales 424,838 3,600,322 External sales Intersegment 3,276,051 386,574 91.0 Operating expenses 38,264 324,271 9.0 Operating income Note: U.S.$1=Yen 118, for convenience only. 2. Geographic segment information Term The first half of FY2007 (Yen millions) 300,720 300,720 268,451 32,269 % 100.0 89.3 10.7 49,667 100.0 49,667 53,886 108.5 (4,219) -8.5 350,387 350,387 322,337 28,050 100.0 92.0 8.0 The first half of FY2006 (April 1, 2006 - Sep. 30, 2006) (April 1, 2005 - Sep. 30, 2005) % (U.S.$ thousands) (Yen millions) % 193,808 100.0 1,642,441 166,847 100.0 15,129 128,212 10,378 7.8 6.2 57,155 100.0 484,364 46,826 100.0 40,517 4,900 8.4 10.5 4,781 331,136 32,503 100.0 39,074 100.0 (2,727) -8.4 (7,831) (924) -2.4 2,435,466 287,385 100.0 233,662 100.0 7.0 6.7 19,168 16,335 162,441 129,451 152,584 1,293,085 (110) 836 (932) 3,600,322 350,387 100.0 424,838 100.0 9.0 28,050 38,264 324,271 8.0 (Yen millions) Region FY2006 Change (April 1, 2005 - Sep. 30, 2005) (April 1, 2005 - Mar. 31, 2006) (Yen millions) Change(%) (Yen millions) % 75,987 75,987 67,689 8,298 25.3 25.3 25.2 25.7 687,750 687,750 613,417 74,333 (1,536) (1,536) (3,452) 1,916 -3.1 -3.1 -6.4 45.4 107,430 100.0 107,430 121,240 112.9 (13,810) -12.9 74,451 74,451 64,237 10,214 21.2 21.2 19.9 36.4 795,180 795,180 734,657 60,523 100.0 89.2 10.8 100.0 92.4 7.6 FY2006 Change (April 1, 2005 - Mar. 31, 2006) (Yen millions) Change(%) (Yen millions) 16.2 Net sales 26,961 Japan 45.8 4,751 Operating income 22.1 10,329 Net sales Americas -2.4 (119) Operating income 20.2 Net sales 6,571 Europe 66.1 Operating income (loss) 1,803 23.0 53,723 Net sales Asia and 2,833 17.3 Operating income others 23,133 Intersegment Net sales (946) eliminations Operating income (loss) 74,451 Net sales 21.2 Total 10,214 Operating income 36.4 Notes: 1. Net sales in each geographic area are based on the location of TDK entities where the sales are generated. 2. U.S.$1=Yen 118, for convenience only. 360,210 49,437 105,979 9,995 76,240 (9,996) 531,824 12,607 279,073 1,520 795,180 60,523 % 100.0 13.7 100.0 9.4 100.0 -13.1 100.0 2.4 100.0 7.6 3. Sales by region Term The first half of FY2006 The first half of FY2007 (April 1, 2005 - Sep. 30, 2005) (April 1, 2006 - Sep. 30, 2006) (Yen millions) Region % (U.S.$ thousands) (Yen millions) % 11.3 51,325 Americas 39,466 434,957 12.1 32,669 9.3 9.2 329,407 38,870 Europe 251,706 192,170 54.8 59.2 2,133,102 Asia and others 341,901 80.5 264,305 75.4 2,897,466 Overseas sales total 19.5 86,082 24.6 702,856 82,937 Japan 350,387 100.0 3,600,322 424,838 100.0 Net sales Notes: 1. Overseas sales are based on the location of the customers. 2. U.S.$1=Yen 118, for convenience only. 18 FY2006 Change (April 1, 2005 - Mar. 31, 2006) (Yen millions) Change(%) 11,859 6,201 59,536 77,596 (3,145) 74,451 30.0 19.0 31.0 29.4 -3.7 21.2 (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