1. 1

2. 2 Consolidated financials include: DEI + DIH + DNI – Inter-company Interim consolidated numbers are internal figures and reviewed by CPA Consolidated numbers are audited only at yearend

3. 3 2004 First Quarter Results

4. 4 Revenues Unit: NT$ billion

5. 5 4Q03 1Q04 Revenues by Product

6. 6 Gross Profit Unit: NT$ billion & % of sales

7. 7 R&D Expense Unit: NT$ billion & % of sales

8. 8 SG&A Expense Unit: NT$ billion & % of sales

9. 9 Operating Expense Unit: NT$ billion & % of sales

10. 10 Operating Profit Unit: NT$ billion & % of sales

11. 11 Non-Operating Profit Unit: NT$ billion & % of sales

12. 12 Non-Operating Income Breakdown Unit: NT$ million

13. 13 Net Income Before Tax Unit: NT$ billion & % of sales

14. 14 Tax Benefit & Minority Interest Unit: NT$ million

15. 15 Net Income After Tax Unit: NT$ billion & % of sales

16. 16 EPS (unit: NT$) * ALL EPS fully diluted at current shares outstanding of 1,480 million shares.

17. 17 FY2004 Consolidated Financial Forecast

18. 18 2004 DEI forecast Sales 44,070 Operating income 178 Non-operating income5,791 Non-operating expense 57 Pre-tax profit5,913 Tax credit 456 Net income6,369 Unit: NT$ million

19. 19 Consolidated Revenues Unit: NT$ billion +10.6%

20. 20 Revenues by Product 2003A2004F

21. 21 Gross Profit Unit: NT$ billion & % of sales

22. 22 R&D Expense Unit: NT$ billion & % of sales

23. 23 SG&A Expense Unit: NT$ billion & % of sales

24. 24 Operating Expense Unit: NT$ billion & % of sales

25. 25 Operating Profit Unit: NT$ billion & % of sales +20.5%

26. 26 Non-Operating Profit Unit: NT$ billion & % of sales

27. 27 Non-Operating Income Breakdown Unit: NT$ million

28. 28 Net Income After Tax Unit: NT$ billion & % of sales +22.1%

29. 29 Pre-diluted EPS * * Current shares outstanding is 1,480 million shares.

30. 30 Diluted EPS * * Using assumed capital of 1,586 million shares.

31. 31 THANK YOU !