TDK Corporation Consolidated 1Q of FY March 2008(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 1Q of FY2007 April 1, 2006 April 1, 2007 June 30, 2006 June 30, 2007 US$=Yen Euro=Yen US$=Yen Euro=Yen 143.82 114.50 120.82 162.75 115.24 123.26 165.64 146.00 Overseas sales by division 1Q of FY2007 April 1, 2006 June 30, 2006 Ratio to Amount (Yen millions) sales (%) Product 144,725 71.1 Electronic materials and components 34,270 16.8 Electronic materials 28,973 14.2 Electronic devices 72,390 35.6 Recording devices 9,092 4.5 Other electronic components 8.8 17,934 Recording media 162,659 79.9 Overseas sales Term 1Q of FY2008 FY2007 April 1, 2007 April 1, 2006 June 30, 2007 Change(%) March 31, 2007 Ratio to Ratio to Amount Amount (Yen millions) sales (%) (Yen millions) sales (%) 73.5 151,827 4.9 611,932 71.0 9.2 37,436 18.1 145,548 16.9 15.1 33,351 16.2 125,930 14.6 33.7 -3.8 69,640 299,772 34.8 11,400 5.5 25.4 40,682 4.7 15,929 7.7 -11.2 78,741 9.1 167,756 81.2 3.1 690,673 80.1 14