TDK Corporation 1-13-1, Nihonbashi Chuo-ku, Tokyo 103-8272 Japan Contacts; TDK Corporation(Tokyo) Corporate Communications Department Michinori Katayama +81(3)5201-7102 TDK U.S.A. Corporation Francis J. Sweeney +1(516)535-2600 UK Branch (TDK Marketing UK) Ron Matier +44(1737)773773 FOR IMMEDIATE RELEASE TOKYO - April 28, 2004 TDK Corporation today announced its Consolidated business results prepared in conformity with accounting principles generally accepted in the United States of America ("U.S. GAAP") for fiscal year ("FY") 2004 and Non-Consolidated business results for FY 2004. I. Consolidated I-1) Summary Consolidated results (April 1, 2003 - March 31, 2004) Term FY2004 FY2003 Change (April 1, 2002 - Mar. 31, 2003) (April 1, 2003 - March 31, 2004) (Yen millions) % (U.S.$ thousands) (Yen millions) % (Yen millions) Item Net sales Operating income Income before income taxes Net income Per common share : Net income / Basic Net income / Diluted % 658,862 54,322 100.0 8.2 6,215,679 512,472 608,880 22,080 100.0 3.6 49,982 32,242 8.2 146.0 55,603 8.4 524,557 18,081 3.0 37,522 207.5 42,101 6.4 397,179 12,019 2.0 30,082 250.3 Yen 317.80 Yen 317.69 U.S.$ 3.00 U.S.$ 3.00 Yen 90.56 - (Sales breakdown) Term Product Electronic materials and components Electronic materials Electronic devices Recording devices Semiconductors & others Recording media & systems Total sales Overseas sales FY2004 FY2003 Change (April 1, 2002 - Mar. 31, 2003) (April 1, 2003 - March 31, 2004) (Yen millions) % (U.S.$ thousands) (Yen millions) % (Yen millions) % 522,862 166,818 107,999 230,105 79.4 25.3 16.4 35.0 4,932,660 1,573,755 1,018,858 2,170,802 472,529 168,949 112,729 175,986 77.6 27.8 18.5 28.9 50,333 (2,131) (4,730) 54,119 10.7 -1.3 -4.2 30.8 17,940 2.7 169,245 14,865 2.4 3,075 20.7 136,000 20.6 1,283,019 136,351 22.4 658,862 490,206 100.0 74.4 6,215,679 4,624,585 608,880 443,377 100.0 72.8 Note: U.S.$1=Yen 106 1 (351) 49,982 46,829 -0.3 8.2 10.6