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 31, 2002 TDK Corporation today announced its consolidated business results prepared in conformity with accounting principles generally accepted in the United States of America for the first half of fiscal year (FY) 2003 and the 2nd quarter (Qtr.) and nonconsolidated business results for the first half of FY 2003. 1) Summary Consolidated results (April 1, 2002 - September 30, 2002) Term Items Net sales Operating income (loss) Income (loss) before income taxes Net income Net income per common share The first half of FY2002 The first half of FY2003 Change (April 1, 2001 - Sep. 30, 2001) (April 1, 2002 - Sep. 30, 2002) (Yen millions) % (U.S.$ thousands) (Yen millions) % (Yen millions) % 296,380 10,019 100.0 3.4 2,409,593 81,455 270,786 (2,811) 100.0 -1.0 25,594 12,830 9.5 - 7,636 4,645 2.6 1.6 62,081 37,764 (3,082) 1,832 -1.1 0.7 10,718 2,813 153.5 Yen 34.98 U.S.$ 0.28 Yen 13.78 (Sales breakdown) Term Products Electronic materials and components Electronic materials Electronic devices Recording devices Semiconductors & others Recording media & systems Total sales Overseas sales The first half of FY2002 The first half of FY2003 Change (April 1, 2001 - Sep. 30, 2001) (April 1, 2002 - Sep. 30, 2002) (Yen millions) % (U.S.$ thousands) (Yen millions) % (Yen millions) % 234,272 88,918 59,293 78,173 79.0 30.0 20.0 26.4 1,904,650 722,910 482,057 635,553 209,607 81,367 54,264 64,022 77.4 30.1 20.0 23.6 24,665 7,551 5,029 14,151 11.8 9.3 9.3 22.1 7,888 2.6 64,130 9,954 3.7 (2,066) -20.8 62,108 296,380 212,091 21.0 100.0 71.6 504,943 2,409,593 1,724,317 61,179 270,786 185,616 22.6 100.0 68.5 929 25,594 26,475 1.5 9.5 14.3 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. 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. U.S.$1=Yen 123 1/24 NON-CONSOLIDATED Non-Consolidated results (April 1, 2002 - September 30, 2002) Term Items The first half of FY2002 The first half of FY2003 Change (April 1, 2001 - Sep. 30, 2001) (April 1, 2002 - Sep. 30, 2002) (Yen millions) % (U.S.$ thousands) (Yen millions) % (Yen millions) % 100.0 Net sales 167,260 100.0 1,359,837 164,023 3,237 2.0 -0.2 3,480 2.1 28,292 (319) 3,799 Operating income (loss) 8.5 (7,033) -50.3 6,937 4.1 56,398 13,970 Current income 5.9 (8,696) -89.2 1,056 0.6 8,585 9,752 Net income Net income per Yen 73.22 Yen 7.96 U.S.$ 0.06 common share Yen 25.00 U.S.$ 0.20 Yen 30.00 Dividends per share 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. The figure for net income per common share is calculated excluding treasury stock from FY2003. 3. U.S.$1=Yen 123 (Sales breakdown) Term Products Electronic materials and components Electronic materials Electronic devices Recording devices Semiconductors & others Recording media & systems Total sales Overseas sales The first half of FY2003 The first half of FY2002 Change (April 1, 2001 - Sep. 30, 2001) (April 1, 2002 - Sep. 30, 2002) (Yen millions) % (U.S.$ thousands) (Yen millions) % (Yen millions) % 146,384 70,620 45,694 24,055 87.5 42.2 27.3 14.4 1,190,113 574,146 371,495 195,569 140,647 64,624 39,835 26,486 85.7 39.4 24.3 16.1 5,737 5,996 5,859 (2,431) 4.1 9.3 14.7 -9.2 6,013 3.6 48,886 9,700 5.9 (3,687) -38.0 20,876 167,260 90,622 12.5 100.0 54.2 169,723 1,359,837 736,764 23,376 164,023 82,183 14.3 100.0 50.1 (2,500) 3,237 8,439 -10.7 2.0 10.3 2/24 CONSOLIDATED 2nd Qtr. consolidated results Consolidated results (July 1, 2002 - September 30, 2002) Term The 2nd Qtr. of FY2003 (July 1, 2002 - Sep. 30, 2002) (Yen millions) % (U.S.$ thousands) Items Net sales Operating income (loss) Income (loss) before income taxes Net income Net income per common share The 2nd Qtr. of FY2002 (July 1, 2001 - Sep. 30, 2001) (Yen millions) 147,672 4,033 100.0 2.7 1,200,585 32,789 130,542 (5,400) 4,333 2,484 2.9 1.7 35,228 20,195 (5,646) 625 Yen 18.71 U.S.$ 0.15 Change % (Yen millions) 100.0 17,130 -4.1 9,433 -4.3 0.5 9,979 1,859 % 13.1 297.4 Yen 4.71 (Sales breakdown) Term Products Electronic materials and components Electronic materials Electronic devices Recording devices Semiconductors & others Recording media & systems Total sales Overseas sales The 2nd Qtr. of FY2003 (July 1, 2002 - Sep. 30, 2002) (Yen millions) % (U.S.$ thousands) The 2nd Qtr. of FY2002 (July 1, 2001 - Sep. 30, 2001) (Yen millions) % Change (Yen millions) % 116,102 43,058 29,449 39,832 78.6 29.2 19.9 27.0 943,918 350,065 239,423 323,837 99,286 37,467 25,714 31,188 76.1 28.7 19.7 23.9 16,816 5,591 3,735 8,644 16.9 14.9 14.5 27.7 3,763 2.5 30,593 4,917 3.8 (1,154) -23.5 31,570 147,672 105,900 21.4 100.0 71.7 256,667 1,200,585 860,976 31,256 130,542 88,871 23.9 100.0 68.1 314 17,130 17,029 1.0 13.1 19.2 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. 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. U.S.$1=Yen 123 3/24