TDK Corporation Consolidated 2Q of FY March 2009(U.S. GAAP) 9) Supplementary Information (Consolidated) Exchange rates used for conversion Term Item The end of the period As of Sep. 30, 2007 As of Sep. 30, 2008 US$=Yen Euro=Yen US$=Yen Euro=Yen 115.43 163.38 103.57 149.05 Sales breakdown [1st half results] Term Product Electronic materials Electronic devices Recording devices Others Total sales Overseas sales 1H of FY2008 1H of FY2009 (April 1, 2007 - Sep. 30, 2007) (April 1, 2008 - Sep. 30, 2008) Amount Amount Amount Ratio to Ratio to (Yen millions) sales (%) (Yen millions) sales (%) (U.S.$ thousands) 23.7 23.3 92,188 102,766 886,423 24.1 24.9 104,436 98,728 949,308 36.3 37.8 1,442,971 156,920 150,069 15.9 14.0 534,154 68,966 55,552 100.0 100.0 3,812,856 433,088 396,537 84.0 3,201,240 82.4 356,821 332,929 Change (Yen millions) Change(%) (10,578) -10.3 -5.5 (5,708) -4.4 (6,851) (13,414) -19.5 -8.4 (36,551) -6.7 (23,892) [2nd quarter results] Term 2Q of FY2008 2Q of FY2009 (July 1, 2007 - Sep. 30, 2007) (July 1, 2008 - Sep. 30, 2008) Amount Amount Amount Ratio to Ratio to (Yen millions) sales (%) (Yen millions) sales (%) (U.S.$ thousands) 23.4 22.6 53,063 46,517 447,279 24.1 24.3 54,455 50,053 481,279 38.2 37.7 86,504 77,624 746,384 14.3 15.4 32,367 31,720 305,000 100.0 100.0 1,979,942 226,389 205,914 83.5 84.9 1,680,490 189,065 174,771 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 104, for convenience only. Change (Yen millions) Change(%) (6,546) -12.3 -8.1 (4,402) (8,880) -10.3 -2.0 (647) -9.0 (20,475) -7.6 (14,294) Overseas sales by division [1st half results] Term Product Electronic materials Electronic devices Recording devices Others Overseas sales 1H of FY2008 April 1, 2007 Sep. 30, 2007 Ratio to Amount (Yen millions) sales (%) 18.1 78,089 16.4 71,031 155,107 35.8 52,594 12.1 356,821 82.4 1H of FY2009 Change April 1, 2008 Sep. 30, 2008 Ratio to Amount (Yen millions) sales (%) (Yen millions) Change(%) 69,325 17.5 (8,764) -11.2 -2.8 (1,973) 69,058 17.4 -4.1 148,712 (6,395) 37.5 11.6 (6,760) -12.9 45,834 -6.7 332,929 84.0 (23,892) 2Q of FY2008 July 1, 2007 Sep. 30, 2007 Ratio to Amount (Yen millions) sales (%) 40,653 18.0 37,680 16.6 85,467 37.7 25,265 11.2 189,065 83.5 2Q of FY2009 Change July 1, 2008 Sep. 30, 2008 Ratio to Amount (Yen millions) sales (%) (Yen millions) Change(%) 35,426 17.2 (5,227) -12.9 -6.0 35,413 17.2 (2,267) 76,852 37.3 (8,615) -10.1 7.2 27,080 13.2 1,815 -7.6 174,771 84.9 (14,294) [2nd quarter results] Term Product Electronic materials Electronic devices Recording devices Others Overseas sales Note: Recording media results are now included in the “others” sector. Company group As of September 30, 2008, TDK had 93 subsidiaries (18 in Japan and 75 overseas). TDK also had 8 affiliates (4 in Japan and 4 overseas) whose financial statements are accounted for by the equity method. 14