TDK Corporation Consolidated 3Q of FY March 2009(U.S. GAAP) 10) Supplementary Information (Consolidated) Exchange rates used for conversion Term Item The end of the period As of Dec. 31, 2007 US$=Yen Euro=Yen 114.15 166.66 As of Dec. 31, 2008 US$=Yen Euro=Yen 127.96 91.03 Sales breakdown [9-month-period results] Term Product Electronic materials Electronic devices Recording devices Others Total sales Overseas sales The 9-month-period of FY2008 The 9-month-period of FY2009 Change (April 1, 2007 - Dec. 31, 2007) (April 1, 2008 - Dec. 31, 2008) Ratio to Amount Amount Amount Ratio to (Yen millions) sales (%) (Yen millions) sales (%) (U.S.$ thousands) 154,187 157,732 246,830 99,681 658,430 543,314 23.4 24.0 37.5 15.1 100.0 82.5 124,210 137,127 208,420 118,559 588,316 496,026 21.1 23.3 35.4 20.2 100.0 84.3 1,364,945 1,506,890 2,290,330 1,302,846 6,465,011 5,450,835 (Yen millions) Change(%) (29,977) (20,605) (38,410) 18,878 (70,114) (47,288) -19.4 -13.1 -15.6 18.9 -10.6 -8.7 [3rd quarter results] 3Q of FY2008 Term 3Q of FY2009 (Oct. 1, 2007 - Dec. 31, 2007) (Oct. 1, 2008 - Dec. 31, 2008) Ratio to Amount Amount Amount Ratio to (Yen millions) sales (%) (Yen millions) sales (%) (U.S.$ thousands) Product 22.8 16.7 Electronic materials 51,421 32,022 23.6 20.0 53,296 38,399 Electronic devices 39.9 30.4 89,910 58,351 Recording devices 13.7 32.9 30,715 63,007 Others 100.0 100.0 225,342 191,779 Total sales 82.8 85.0 186,493 163,097 Overseas sales Notes: 1. Recording media results are now included in the “others” sector. 2. U.S.$1=Yen 91, for convenience only. 351,890 421,967 641,220 692,385 2,107,462 1,792,275 Change (Yen millions) Change(%) (19,399) (14,897) (31,559) 32,292 (33,563) (23,396) -37.7 -28.0 -35.1 105.1 -14.9 -12.5 Overseas sales by division [9-month-period results] Term Product Electronic materials Electronic devices Recording devices Others Overseas sales The 9-month-period of FY2008 (April 1, 2007 - Dec. 31, 2007) Ratio to Amount (Yen millions) sales (%) 116,799 17.7 106,605 16.2 243,867 37.0 76,043 11.6 543,314 82.5 The 9-month-period of FY2009 (April 1, 2008 - Dec. 31, 2008) Ratio to Amount (Yen millions) sales (%) 15.7 92,404 93,270 15.9 35.0 206,081 104,271 17.7 496,026 84.3 3Q of FY2008 (Oct. 1, 2007 - Dec. 31, 2007) Ratio to Amount (Yen millions) sales (%) 38,710 17.2 35,574 15.8 88,760 39.4 23,449 10.4 186,493 82.8 3Q of FY2009 (Oct. 1, 2008 - Dec. 31, 2008) Ratio to Amount (Yen millions) sales (%) 23,079 12.0 24,212 12.6 57,369 29.9 58,437 30.5 163,097 85.0 Change (Yen millions) Change(%) (24,395) (13,335) (37,786) 28,228 (47,288) -20.9 -12.5 -15.5 37.1 -8.7 [3rd quarter results] Term Product Electronic materials Electronic devices Recording devices Others Overseas sales Note: Recording media results are now included in the “others” sector. Change (Yen millions) Change(%) (15,631) (11,362) (31,391) 34,988 (23,396) -40.4 -31.9 -35.4 149.2 -12.5 Company group As of December 31, 2008, TDK had 135 subsidiaries (19 in Japan and 116 overseas). TDK also had 7 affiliates (4 in Japan and 3 overseas) whose financial statements are accounted for by the equity method. 15