TDK Corporation Consolidated FY March 2008(U.S. GAAP) I-8) Segment Information The following industry and geographic segment information are required by the Japanese Financial Instruments Exchange Law. 1. Industry segment information Term FY2007 (April 1, 2006 March 31, 2007) (Yen millions) % FY2008 (April 1, 2007 - March 31, 2008) Change (Yen millions) Product % (U.S.$ thousands) (Yen millions) Change(%) Electronic materials and components 7.8 818,115 100.0 758,821 100.0 8,181,150 59,294 Net sales 7.8 758,821 818,115 8,181,150 59,294 External sales Intersegment 9.6 89.2 7,421,430 65,097 90.7 742,143 677,046 Operating expenses (5,803) -7.1 10.8 759,720 9.3 75,972 81,775 Operating income Recording media 48,170 100.0 103,204 100.0 481,700 (55,034) -53.3 Net sales 48,170 481,700 (55,034) -53.3 103,204 External sales Intersegment 76.7 369,670 (68,422) -64.9 36,967 105,389 102.1 Operating expenses 23.3 -2.1 (2,185) 11,203 112,030 13,388 Operating income (loss) TOTAL 0.5 8,662,850 866,285 100.0 862,025 100.0 4,260 Net sales 0.5 866,285 4,260 862,025 8,662,850 External sales Intersegment (3,325) -0.4 89.9 90.8 779,110 782,435 7,791,100 Operating expenses 7,585 9.5 10.1 871,750 9.2 87,175 79,590 Operating income Notes: 1. U.S.$1=Yen 100, for convenience only. 2. Electronic materials and components products : Ferrite cores, Rare-earth magnets, Multilayer ceramic chip capacitors, Inductors(Coils, Transformers), Switching power supplies, HDD heads, Rechargeable batteries Recording media products : Audio tapes, Video tapes, CD-Rs, DVDs, Tape-based data storage media for computers 17 TDK Corporation Consolidated FY March 2008(U.S. GAAP) 2. Geographic segment information FY2007 (April 1, 2006 March 31, 2007) (Yen millions) % Net sales 397,147 100.0 Operating income 31,277 7.9 Net sales 111,689 100.0 Operating income 7,869 7.0 Net sales 84,329 100.0 Operating income (loss) (3) -0.0 Net sales 572,979 100.0 Operating income 41,515 7.2 Net sales 304,119 Operating income (loss) 1,068 Net sales 862,025 100.0 Operating income 79,590 9.2 FY2008 Term Region Japan Americas Europe Asia and others Intersegment eliminations Total (April 1, 2007 March 31, 2008) (Yen millions) 390,364 35,257 103,248 7,905 54,418 (4,056) 636,242 44,397 317,987 (3,672) 866,285 87,175 % 100.0 9.0 100.0 7.7 100.0 -7.5 100.0 7.0 100.0 10.1 Change (U.S.$ thousands) (Yen millions) Change(%) (6,783) 3,903,640 3,980 352,570 (8,441) 1,032,480 36 79,050 544,180 (29,911) (40,560) (4,053) 6,362,420 63,263 443,970 2,882 3,179,870 13,868 (36,720) (4,740) 8,662,850 4,260 871,750 7,585 -1.7 12.7 -7.6 0.5 -35.5 11.0 6.9 0.5 9.5 Notes: 1. Net sales in each geographic area are based on the location of TDK entities where the sales are generated. 2. U.S.$1=Yen 100, for convenience only. 3. Sales by region Term FY2007 (April 1, 2006 March 31, 2007) (Yen millions) % 103,124 11.9 9.7 83,545 504,004 58.5 690,673 80.1 171,352 19.9 862,025 100.0 FY2008 (April 1, 2007 March 31, 2008) (Yen millions) % (U.S.$ thousands) 96,287 962,870 11.1 59,128 591,280 6.8 5,587,570 558,757 64.5 714,172 82.4 7,141,720 152,113 17.6 1,521,130 866,285 100.0 8,662,850 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 100, for convenience only. 18 Change (Yen millions) Change(%) (6,837) (24,417) 54,753 23,499 (19,239) 4,260 -6.6 -29.2 10.9 3.4 -11.2 0.5