TDK Corporation Consolidated 1Q of FY March 2009(U.S. GAAP) 9) Supplementary Information (Consolidated) Exchange rates used for conversion Term Item Average rate for the period The end of the period 1Q of FY2008 April 1, 2007 June 30, 2007 US$=Yen Euro=Yen 120.82 162.75 123.26 165.64 1Q of FY2009 April 1, 2008 June 30, 2008 US$=Yen Euro=Yen 104.56 163.44 106.42 168.07 FY 2008 April 1, 2007 March 31, 2008 US$=Yen Euro=Yen 114.44 161.59 100.19 158.19 Sales breakdown Term 1Q of FY2009 1Q of FY2008 (April 1, 2007 - June 30, 2007) (April 1, 2008 - June 30, 2008) Amount Amount Amount Ratio to Ratio to (Yen millions) sales (%) (Yen millions) sales (%) (U.S.$ thousands) Product 24.0 24.0 45,671 Electronic materials 49,703 430,859 24.2 25.5 48,675 49,981 459,198 Electronic devices 34.1 38.0 72,445 70,416 683,443 Recording devices 17.7 12.5 36,599 23,832 224,830 Others 100.0 100.0 1,798,330 206,699 190,623 Total sales 81.2 83.0 1,492,057 167,756 158,158 Overseas sales Change (Yen millions) Change(%) -8.1 (4,032) -2.6 (1,306) 2.9 2,029 (12,767) -34.9 -7.8 (16,076) -5.7 (9,598) Note: Recording media results are now included in the “others” sector. Overseas sales by division Term 1Q of FY2008 April 1, 2007 June 30, 2007 Ratio to Amount (Yen millions) sales (%) Product 37,436 18.1 Electronic materials 33,351 16.2 Electronic devices 69,640 33.7 Recording devices 27,329 13.2 Others 167,756 81.2 Overseas sales Note: 1Q of FY2009 April 1, 2008 June 30, 2008 Ratio to Amount (Yen millions) sales (%) 33,899 17.8 33,645 17.7 71,860 37.7 18,754 9.8 158,158 83.0 Change(%) -9.4 0.9 3.2 -31.4 -5.7 Recording media results are now included in the “others” sector. Company group As of June 30, 2008, TDK had 93 subsidiaries (18 in Japan and 75 overseas). TDK also had 7 affiliates (4 in Japan and 3 overseas) whose financial statements are accounted for by the equity method. 12