TDK Corporation 1-13-1, Nihonbashi Chuo-ku, Tokyo 103-8272 Japan Contacts; TDK Corporation(Tokyo) Corporate Communications Department +81(3)5201-7102 Michinori Katayama TDK U.S.A. Corporation Francis J. Sweeney +1(516)535-2600 TDK UK Limited Ron Matier +44(1737)773773 FOR IMMEDIATE RELEASE TOKYO - October 29, 2003 TDK Corporation today announced its Consolidated business results prepared in conformity with accounting principles generally accepted in the United States of America (the "U.S. GAAP") for the first half of fiscal year ("FY") 2004 and the 2nd quarter ("Qtr.") and Non-Consolidated business results for the first half of FY 2004. 1) Summary Consolidated results (April 1, 2003 - September 30, 2003) Term Item Net sales Operating income Income before income taxes Net income Net income per common share The first half of FY2003 The first half of FY2004 Change (April 1, 2002 - Sep. 30, 2002) (April 1, 2003 - Sep. 30, 2003) (Yen millions) % (U.S.$ thousands) (Yen millions) % (Yen millions) % 316,279 24,020 100.0 7.6 2,849,360 216,396 296,380 10,019 100.0 3.4 19,899 14,001 6.7 139.7 25,014 7.9 225,351 7,636 2.6 17,378 227.6 19,257 6.1 173,486 4,645 1.6 14,612 314.6 Yen 145.27 U.S.$ 1.31 Yen 34.98 (Sales breakdown) Term Product Electronic materials and components Electronic materials Electronic devices Recording devices Semiconductors & others Recording media & systems Total sales Overseas sales The first half of FY2003 The first half of FY2004 Change (April 1, 2002 - Sep. 30, 2002) (April 1, 2003 - Sep. 30, 2003) (Yen millions) % (U.S.$ thousands) (Yen millions) % (Yen millions) % 254,352 80.4 2,291,459 234,272 79.0 20,080 82,302 52,451 111,423 26.0 16.6 35.2 741,459 472,531 1,003,811 88,918 59,293 78,173 30.0 20.0 26.4 (6,616) (6,842) 33,250 8,176 2.6 73,658 7,888 2.6 288 3.7 61,927 19.6 557,901 62,108 21.0 (181) -0.3 316,279 234,743 100.0 74.2 2,849,360 2,114,802 296,380 212,091 100.0 71.6 19,899 22,652 Notes: 1. The figures for net income per common share are calculated based upon the weighted average number of shares of common stock (the total outstanding number). 2. U.S.$1=Yen 111 1/23 8.6 -7.4 -11.5 42.5 6.7 10.7 Non-Consolidated Non-Consolidated results (April 1, 2003 - September 30, 2003) Term Item Net sales Operating income Current income Net income Net income per common share Dividends per share The first half of FY2003 The first half of FY2004 Change (April 1, 2003 - Sep. 30, 2003) (April 1, 2002 - Sep. 30, 2002) (Yen millions) % (U.S.$ thousands) (Yen millions) % (Yen millions) 152,474 1,062 4,819 1,127 100.0 0.7 3.2 0.7 Yen 8.51 Yen 25.00 1,373,639 9,567 43,414 10,153 U.S.$ 0.07 U.S.$ 0.22 167,260 3,480 6,937 1,056 100.0 2.1 4.1 0.6 (14,786) (2,418) (2,118) 71 % -8.8 -69.5 -30.5 6.7 Yen 7.96 Yen 25.00 Notes: 1. Any portion less than Yen one million is disregarded, the same being applicable hereinafter. U.S.$1=Yen 111 (U.S. dollar translation is added herein solely for convenience of readers outside Japan.) 2. The figures for net income per common share are calculated based upon the weighted average number of shares of common stock (the total outstanding number). (Sales breakdown) Term Product Electronic materials and components Electronic materials Electronic devices Recording devices Semiconductors & others Recording media & systems Total sales Overseas sales The first half of FY2003 The first half of FY2004 Change (April 1, 2003 - Sep. 30, 2003) (April 1, 2002 - Sep. 30, 2002) (Yen millions) % (U.S.$ thousands) (Yen millions) % (Yen millions) % 131,033 85.9 1,180,477 146,384 87.5 (15,351) -10.5 64,157 39,041 20,562 42.1 25.6 13.5 577,990 351,720 185,243 70,620 45,694 24,055 42.2 27.3 14.4 (6,463) (6,653) (3,493) -9.2 -14.6 -14.5 7,272 4.7 65,513 6,013 3.6 1,259 20.9 21,440 14.1 193,153 20,876 12.5 564 2.7 152,473 87,909 100.0 57.7 1,373,630 791,972 167,260 90,622 100.0 54.2 Note: U.S.$1=Yen 111 2/23 (14,787) (2,713) -8.8 -3.0 Consolidated 2nd Qtr. Consolidated results Consolidated results (July 1, 2003 - September 30, 2003) Term Item Net sales Operating income Income before income taxes Net income Net income per common share The 2nd Qtr. of FY2003 The 2nd Qtr. of FY2004 Change (July 1, 2002 - Sep. 30, 2002) (July 1, 2003 - Sep. 30, 2003) (Yen millions) % (U.S.$ thousands) (Yen millions) % (Yen millions) % 163,063 13,840 100.0 8.5 1,469,036 124,685 147,672 4,033 100.0 2.7 15,391 9,807 10.4 243.2 13,850 8.5 124,775 4,333 2.9 9,517 219.6 11,232 6.9 101,189 2,484 1.7 8,748 352.2 U.S.$ 0.76 Yen 18.71 Yen 84.76 (Sales breakdown) Term Product Electronic materials and components Electronic materials Electronic devices Recording devices Semiconductors & others Recording media & systems Total sales Overseas sales The 2nd Qtr. of FY2003 The 2nd Qtr. of FY2004 Change (July 1, 2002 - Sep. 30, 2002) (July 1, 2003 - Sep. 30, 2003) (Yen millions) % (U.S.$ thousands) (Yen millions) % (Yen millions) % 130,563 80.1 1,176,243 116,102 78.6 14,461 12.5 41,882 26,634 57,583 25.7 16.3 35.3 377,315 239,946 518,766 43,058 29,449 39,832 29.2 19.9 27.0 (1,176) (2,815) 17,751 -2.7 -9.6 44.6 4,464 2.8 40,216 3,763 2.5 701 18.6 32,500 19.9 292,793 31,570 21.4 930 2.9 163,063 121,960 100.0 74.8 1,469,036 1,098,739 147,672 105,900 100.0 71.7 15,391 16,060 10.4 15.2 Notes: 1. The figures for net income per common share are calculated based upon the weighted average number of shares of common stock (the total outstanding number). 2. U.S.$1=Yen 111 3/23