TDK Corporation Consolidated 1Q of FY March 2008(U.S. GAAP) 8) Segment Information The following industry and geographic segment information are required by the Japanese Securities Exchange Law. 1. Industry segment information Term 1Q of FY2007 (April 1, 2006 June 30, 2006) (Yen millions) % 1Q of FY2008 (April 1, 2007 - June 30, 2007) Change (Yen millions) (U.S.$ thousands) (Yen millions) Change(%) Product % Electronic materials and components 1,507,691 180,131 100.0 5,315 3.0 185,446 100.0 Net sales 5,315 1,507,691 180,131 3.0 185,446 External sales Intersegment 89.1 1,364,504 90.5 7,356 4.6 160,478 167,834 Operating expenses 10.9 143,187 9.5 (2,041) -10.4 19,653 17,612 Operating income Recording media 172,789 -9.6 (2,256) 23,509 100.0 21,253 100.0 Net sales 172,789 -9.6 23,509 21,253 (2,256) External sales Intersegment 184,846 -9.6 (2,411) 25,147 107.0 22,736 107.0 Operating expenses (1,638) -7.0 (1,483) -7.0 155 9.5 (12,057) Operating income (loss) TOTAL 3,059 1.5 203,640 100.0 1,680,480 206,699 100.0 Net sales 203,640 1.5 3,059 1,680,480 206,699 External sales Intersegment 185,625 92.2 4,945 2.7 1,549,350 91.2 190,570 Operating expenses 131,130 7.8 (1,886) -10.5 18,015 8.8 16,129 Operating income Notes: 1. U.S.$1=Yen 123, for convenience only. 2. Electronic materials and components products : Multilayer ceramic chip capacitors, Rare-earth magnets, Inductors, Switching power supplies, HDD heads, Organic EL displays Recording media products : Audio tapes, Video tapes, CD-Rs, MDs, DVDs, Tape-based data storage media for computers 2. Geographic segment information Term Region Japan Americas Europe Asia and others Intersegment eliminations Total Net sales Operating income Net sales Operating income Net sales Operating income (loss) Net sales Operating income Net sales Operating income (loss) Net sales Operating income 1Q of FY2007 (April 1, 2006 June 30, 2006) (Yen millions) % 93,408 100.0 6,362 6.8 27,464 100.0 2,053 7.5 19,088 100.0 (1,085) -5.7 136,548 100.0 9,929 7.3 72,868 (756) 203,640 100.0 18,015 8.8 FY2007 (April 1, 2006 March 31, 2007) (Yen millions) % 758,821 758,821 677,046 81,775 100.0 89.2 10.8 103,204 100.0 103,204 105,389 102.1 (2,185) -2.1 862,025 862,025 782,435 79,590 100.0 90.8 9.2 1Q of FY2008 FY2007 (April 1, 2007 Change (April 1, 2006 June 30, 2007) March 31, 2007) (Yen millions) % (U.S.$ thousands) (Yen millions) Change(%) (Yen millions) % 99,785 100.0 811,260 6,377 6.8 397,147 100.0 9,454 9.5 76,862 3,092 48.6 31,277 7.9 27,212 100.0 221,236 (252) -0.9 111,689 100.0 621 2.3 5,049 (1,432) -69.8 7,869 7.0 18,318 100.0 148,927 (770) -4.0 84,329 100.0 (498) -2.7 (4,049) 587 54.1 (3) -0.0 142,860 100.0 1,161,463 6,312 4.6 572,979 100.0 6,600 4.6 53,658 (3,329) -33.5 41,515 7.2 81,476 662,406 8,608 304,119 48 390 804 1,068 206,699 100.0 1,680,480 3,059 1.5 862,025 100.0 16,129 7.8 131,130 (1,886) -10.5 79,590 9.2 Notes: 1. Net sales in each geographic area are based on the location of TDK entities where the sales are generated. 2. U.S.$1=Yen 123, for convenience only. 3. Sales by region Term 1Q of FY2007 (April 1, 2006 June 30, 2006) (Yen millions) % 24,519 12.0 19,021 9.4 119,119 58.5 162,659 79.9 40,981 20.1 203,640 100.0 1Q of FY2008 (April 1, 2007 June 30, 2007) (Yen millions) (U.S.$ thousands) % 24,735 12.0 201,097 18,010 8.7 146,423 125,011 60.5 1,016,350 167,756 81.2 1,363,870 38,943 18.8 316,610 206,699 100.0 1,680,480 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 123, for convenience only. 13 Change (Yen millions) Change(%) 216 (1,011) 5,892 5,097 (2,038) 3,059 0.9 -5.3 4.9 3.1 -5.0 1.5 FY2007 (April 1, 2006 March 31, 2007) (Yen millions) % 103,124 11.9 83,545 9.7 504,004 58.5 690,673 80.1 171,352 19.9 862,025 100.0