Supplementary Information Ratio of results on a Consolidated basis to results on a Non-Consolidated basis Net sales Operating income Income before income taxes Net income Ratio of the first half of FY2004 2.1 22.6 46.2 17.1 Ratio of the corresponding period of the previous year 1.8 2.9 3.7 4.4 Exchange rates used for conversion Term Item Sales The end of the period April 1, 2003 April 1, 2002 Sep. 30, 2003 Sep. 30, 2002 US$=Yen Euro=Yen US$=Yen Euro=Yen 116.92 118.08 133.51 123.07 120.37 129.19 111.25 122.60 Non-Consolidated Term Item Investment in facilities Depreciation expenses Research and development expenses Result of financial operation Number of employees (as at the end of the period) April 1, 2003 Sep. 30, 2003 Amount Ratio to (Yen millions) sales (%) 8,993 11,127 7.3 11,568 7.6 3,262 April 1, 2002 Sep. 30, 2002 Amount Ratio to (Yen millions) sales (%) 6,999 7.5 12,518 6.6 10,967 2,678 Change (%) 28.5 -11.1 5.5 21.8 6,304 6,176 April 1, 2002 March 31, 2003 Amount Ratio to (Yen millions) sales (%) 24,959 26,529 8.3 22,530 7.0 2,829 6,212 Consolidated Term Item Investment in facilities Depreciation expenses Research and development expenses Result of financial operation Number of employees (as at the end of the period) Ratio of overseas production April 1, 2003 Sep. 30, 2003 Amount Ratio to (Yen millions) sales (%) 20,826 23,642 7.5 17,179 5.4 443 April 1, 2002 Sep. 30, 2002 Amount Ratio to (Yen millions) sales (%) 14,472 9.6 28,503 15,649 5.3 510 Change (%) 43.9 -17.1 9.8 -13.1 31,728 34,535 60.4 % 55.6 % April 1, 2003 Sep. 30, 2003 Amount Ratio to Product (Yen millions) sales (%) Electronic materials and components 188,074 59.5 60,211 19.0 Electronic materials 29,583 9.4 Electronic devices 94,222 29.8 Recording devices 4,058 1.3 Semiconductors & others 46,669 14.7 Recording media & systems 234,743 74.2 Overseas sales April 1, 2002 Sep. 30, 2002 Amount Ratio to (Yen millions) sales (%) 167,212 56.4 64,577 21.8 29,360 9.9 23.3 69,154 1.4 4,121 15.2 44,879 212,091 71.6 April 1, 2002 March 31, 2003 Amount Ratio to (Yen millions) sales (%) 41,451 57,789 9.5 31,862 5.2 802 31,705 56.0 % OVERSEAS SALES BY DIVISION Term 23/23 Change (%) 12.5 -6.8 0.8 36.2 -1.5 4.0 10.7 April 1, 2002 March 31, 2003 Amount Ratio to (Yen millions) sales (%) 341,615 56.1 122,761 20.2 58,671 9.6 152,476 25.0 7,707 1.3 101,762 16.7 443,377 72.8