TDK Corporation Consolidated Nine-Month Period of FY March 2010(U.S. GAAP) 9) Supplementary Information (Consolidated) Exchange rates used for conversion Term Item The end of the period As of Dec. 31, 2008 US$=Yen Euro=Yen 91.03 127.96 As of Dec. 31, 2009 US$=Yen Euro=Yen 92.10 132.00 As of March 31, 2009 US$=Yen Euro=Yen 98.23 129.84 Sales breakdown [9-month-period results] Term Product Electronic materials Electronic devices Recording devices Others Total sales Overseas sales The 9-month-period of FY2009 The 9-month-period of FY2010 Change (April 1, 2008 - Dec. 31, 2008) (April 1, 2009 - December 31, 2009) Amount Ratio to Amount Amount Ratio to (Yen millions) sales (%) (Yen millions) sales (%) (U.S.$ thousands) (Yen millions) Change(%) 21.1 16.2 1,052,902 124,210 96,867 (27,343) -22.0 23.3 18.5 1,198,174 137,127 110,232 (26,895) -19.6 34.6 2,249,185 -0.7 35.4 208,420 206,925 (1,495) 54.8 20.2 30.7 1,994,446 118,559 183,489 64,930 100.0 100.0 6,494,707 1.6 588,316 9,197 597,513 86.9 5,646,489 4.7 84.3 496,026 23,451 519,477 [3rd quarter results] 3Q of FY2009 Term 3Q of FY2010 Change (Oct. 1, 2008 - Dec. 31, 2008) (October 1, 2009 - December 31, 2009) Amount Ratio to Amount Amount Ratio to (Yen millions) sales (%) (Yen millions) sales (%) (U.S.$ thousands) (Yen millions) Change(%) 16.7 16.4 8.3 32,022 34,669 376,837 2,647 20.0 18.7 3.3 38,399 39,650 430,978 1,251 30.4 34.8 26.1 58,351 73,563 799,598 15,212 32.9 30.1 1.2 63,007 63,780 693,261 773 100.0 100.0 2,300,674 10.4 191,779 211,662 19,883 85.0 86.2 1,982,989 11.9 163,097 182,435 19,338 Product Electronic materials Electronic devices Recording devices Others Total sales Overseas sales Notes: 1. Recording media results are now included in the “Others” sector. 2. U.S.$1=Yen 92, for convenience only. Overseas sales by division [9-month-period results] Term The 9-month-period of FY2009 (April 1, 2008 - Dec. 31, 2008) Product Electronic materials Electronic devices Recording devices Others Overseas sales Amount (Yen millions) 92,404 93,270 206,081 104,271 496,026 Ratio to sales (%) 15.7 15.9 35.0 17.7 84.3 The 9-month-period of FY2010 Change (April 1, 2009 - Dec. 31, 2009) Amount (Yen millions) 71,282 73,937 205,503 168,755 519,477 Ratio to sales (%) 11.9 12.4 34.4 28.2 86.9 (Yen millions) Change(%) (21,122) -22.9 (19,333) -20.7 -0.3 (578) 61.8 64,484 4.7 23,451 [3rd quarter results] Term 3Q of FY2009 3Q of FY2010 (Oct. 1, 2008 - Dec. 31, 2008) (Oct. 1, 2009 - Dec. 31, 2009) Ratio to Amount Amount sales (%) (Yen millions) (Yen millions) Product Electronic materials 23,079 12.0 25,145 24,212 12.6 25,986 Electronic devices 57,369 29.9 73,105 Recording devices 58,437 30.5 58,199 Others 163,097 85.0 182,435 Overseas sales Note: Recording media results are now included in the “Others” sector. Ratio to sales (%) 11.9 12.3 34.5 27.5 86.2 Change (Yen millions) Change(%) 9.0 2,066 7.3 1,774 27.4 15,736 -0.4 (238) 11.9 19,338 Company group As of December 31, 2009, TDK had 133 subsidiaries (20 in Japan and 113 overseas). TDK also had 8 affiliates (4 in Japan and 4 overseas) whose financial statements are accounted for by the equity method. 13