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 - February 5, 2003 TDK Corporation today announced its consolidated business results prepared in conformity with accounting principles generally accepted in the United States of America for the 3rd quarter (Qtr.) of fiscal year (FY) 2003, the three months ended December 31, 2002, and for the nine-month-period from April 1, 2002 through December 31, 2002; 1) Summary Consolidated results (October 1, 2002 - December 31, 2002) Term Items Net sales Operating income (loss) Income (loss) before income taxes Net income (loss) Net income (loss) per common share The 3rd Qtr. of FY2003 The 3rd Qtr. of FY2002 Change (October 1, 2002 - December 31, 2002) (Oct. 1, 2001 - Dec. 31, 2001) (Yen millions) % (U.S.$ thousands) (Yen millions) % (Yen millions) % 161,678 6,172 100.0 3.8 1,347,317 51,433 148,036 (14,171) 100.0 -9.6 13,642 20,343 9.2 - 6,055 3.7 50,458 (13,805) -9.3 19,860 - 4,575 2.8 38,125 (9,759) -6.6 14,334 - U.S.$ 0.29 Yen 34.49 Yen (73.45) (Sales breakdown) Term Products Electronic materials and components Electronic materials Electronic devices Recording devices Semiconductors & others Recording media & systems Total sales Overseas sales The 3rd Qtr. of FY2003 The 3rd Qtr. of FY2002 Change (October 1, 2002 - December 31, 2002) (Oct. 1, 2001 - Dec. 31, 2001) (Yen millions) % (U.S.$ thousands) (Yen millions) % (Yen millions) % 121,864 75.4 1,015,534 107,583 72.7 14,281 13.3 41,553 28,868 47,818 25.7 17.9 29.6 346,275 240,567 398,484 39,384 26,048 38,259 26.6 17.6 25.9 2,169 2,820 9,559 5.5 10.8 25.0 3,625 2.2 30,208 3,892 2.6 (267) -6.9 39,814 24.6 331,783 40,453 27.3 (639) -1.6 161,678 118,638 100.0 73.4 1,347,317 988,650 148,036 107,179 100.0 72.4 13,642 11,459 9.2 10.7 Notes: 1. The figures for net income (loss) per common share are calculated based upon the weighted average number of shares of common stock (the total outstanding number). 2. TDK adopted the Emerging Issues Task Force Issue 01-9 ("EITF 01-9"), "Accounting for Consideration Given by a Vendor to a Customer (Including a Reseller of the Vendor's Products)" from the fiscal year beginning April 1, 2002 and the prior year's consolidated financial statements have been restated for the change, accordingly. 3. Consolidated results for the 3rd quarter of FY2003 and FY2002 are unaudited by independent auditors. 4. U.S.$1 = Yen 120 1/12 CONSOLIDATED 9 months consolidated results Consolidated results (April 1, 2002 - December 31, 2002) Term Items Net sales Operating income (loss) Income (loss) before income taxes Net income (loss) Net income (loss) per common share The nine-month-period of FY2003 (April 1, 2002 - December 31, 2002) (Yen millions) % (U.S.$ thousands) The nine-month-period of FY2002 (Apr. 1, 2001 - Dec. 31, 2001) (Yen millions) Change % (Yen millions) 100.0 39,236 -4.1 33,173 % 458,058 16,191 100.0 3.5 3,817,150 134,925 418,822 (16,982) 13,691 3.0 114,092 (16,887) -4.0 30,578 - 9,220 2.0 76,833 (7,927) -1.9 17,147 - Yen 69.47 U.S.$ 0.58 9.4 - Yen (59.67) (Sales breakdown) Term Products Electronic materials and components Electronic materials Electronic devices Recording devices Semiconductors & others Recording media & systems Total sales Overseas sales The nine-month-period of FY2003 (April 1, 2002 - December 31, 2002) (Yen millions) % (U.S.$ thousands) The nine-month-period of FY2002 (Apr. 1, 2001 - Dec. 31, 2001) (Yen millions) % Change (Yen millions) % 356,136 77.7 2,967,800 317,190 75.7 38,946 12.3 130,471 88,161 125,991 28.5 19.2 27.5 1,087,258 734,675 1,049,925 120,751 80,312 102,281 28.8 19.2 24.4 9,720 7,849 23,710 8.0 9.8 23.2 11,513 2.5 95,942 13,846 3.3 (2,333) -16.8 101,922 22.3 849,350 101,632 24.3 290 0.3 458,058 330,729 100.0 72.2 3,817,150 2,756,075 418,822 292,795 100.0 69.9 39,236 37,934 9.4 13.0 Notes: 1. The figures for net income (loss) per common share are calculated based upon the weighted average number of shares of common stock (the total outstanding number). 2. TDK adopted the Emerging Issues Task Force Issue 01-9 ("EITF 01-9"), "Accounting for Consideration Given by a Vendor to a Customer (Including a Reseller of the Vendor's Products)" from the fiscal year beginning April 1, 2002 and the prior year's consolidated financial statements have been restated for the change, accordingly. 3. Consolidated results for the nine-month-period of FY2003 and FY2002 are unaudited by independent auditors. 4. U.S.$1 = Yen 120 2/12