UNITED MICROELECTRONICS CORPORATION Unaudited Condensed Unconsolidated Balance Sheet As of June 30, 2010 Figures in Million of New Taiwan Dollars (NT$) and U.S. Dollars (US$) June 30, 2010 NT$ US$ % ASSETS Current Assets Cash and Cash Equivalents Financial Assets at Fair Value through Profit or Loss, current Available-for-Sale Financial Assets, current Notes & Accounts Receivable, net Inventories, net Other Current Assets Total Current Assets 1,417 54 182 577 321 60 2,611 45,506 1,728 5,859 18,531 10,300 1,912 83,836 18.3% 0.7% 2.4% 7.5% 4.2% 0.7% 33.8% Non-Current Assets Funds and Investments Property, Plant and Equipment, net Other Assets Total Non-Current Assets TOTAL ASSETS 2,028 2,898 189 5,115 7,726 65,129 93,069 6,035 164,233 248,069 26.3% 37.5% 2.4% 66.2% 100.0% LIABILITIES Current Liabilities Short-term Loans Financial Liabilities at Fair Value through Profit or Loss, current Payables Dividends Payable Current Portion of Long-term Liabilities Other Current Liabilities Total Current Liabilities 23 52 728 194 174 13 1,184 729 1,661 23,364 6,233 5,575 445 38,007 0.3% 0.7% 9.4% 2.5% 2.2% 0.2% 15.3% Non-Current Liabilities Long-term Loans Other Liabilities Total Non-Current Liabilities TOTAL LIABILITIES 28 109 137 1,321 915 3,496 4,411 42,418 0.4% 1.4% 1.8% 17.1% 4,045 1,392 1,178 129,879 44,691 37,815 52.4% 18.0% 15.2% (210) 6,405 7,726 (6,734) 205,651 248,069 (2.7%) 82.9% 100.0% STOCKHOLDERS' EQUITY Capital Stock Additional Paid-in Capital Retained Earnings, Unrealized Gain or Loss on Financial Instruments and Cumulative Translation Adjustment Treasury Stock TOTAL STOCKHOLDERS' EQUITY TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY Note ： New Taiwan Dollars have been translated into U.S. Dollars at the June 30, 2010 exchange rate of NT $ 32.11 per U.S. Dollar. All figures are in ROC GAAP. Financial Table 1/4 UNITED MICROELECTRONICS CORPORATION Unaudited Condensed Unconsolidated Income Statement Figures in Million of New Taiwan Dollars (NT$) and U.S. Dollars (US$) Except Per Share and Per ADS Data Year over Year Comparison Net Sales Cost of Goods Sold Net Gross Profit Operating Expenses - Sales & Marketing - General & Administrative - Research & Development Operating Income Net Non-Operating Income (Expenses) Income from Continuing Operations before Income Tax Income Tax Expense Income from Continuing Operations Extraordinary Gain Net Income Earnings per Share Earnings per ADS (2) Weighted Average Number of Shares Outstanding (in millions) Quarter over Quarter Comparison Three-Month Period Ended June 30, 2010 June 30, 2009 US$ NT$ US$ NT$ 926 29,745 705 22,628 (652) (20,940) (537) (17,247) 274 8,805 168 5,381 29.6% 29.6% 23.8% 23.8% (17) (21) (67) (105) 169 18.3% (553) (679) (2,136) (3,368) 5,437 18.3% % Chg. 31.5% 21.4% 63.6% Three-Month Period Ended June 30, 2010 March 31, 2010 US$ NT$ US$ NT$ 926 29,745 832 26,715 (652) (20,940) (628) (20,156) 274 8,805 204 6,559 29.6% 29.6% 24.6% 24.6% (12) (14) (58) (84) 84 11.9% (376) (454) (1,855) (2,685) 2,696 11.9% 47.1% 49.6% 15.1% 25.4% 101.7% (17) (21) (67) (105) 169 18.3% (553) (679) (2,136) (3,368) 5,437 18.3% (17) (19) (62) (98) 106 12.7% (545) (603) (2,007) (3,155) 3,404 12.7% (28) (901) - 4 130 6 197 % Chg. 11.3% 3.9% 34.2% 1.5% 12.6% 6.4% 6.8% 59.7% 4 130 173 18.7% 5,567 18.7% 56 7.9% 1,795 7.9% 210.1% 173 18.7% 5,567 18.7% 112 13.5% 3,601 13.5% 54.6% (11) 162 2 164 17.7% (363) 5,204 69 5,273 17.7% (8) 48 48 6.8% (248) 1,547 1,547 6.8% 46.4% 236.4% 100.0% 240.9% (11) 162 2 164 17.7% (363) 5,204 69 5,273 17.7% (4) 108 108 13.0% (119) 3,482 3,482 13.0% 205.0% 49.5% 100.0% 51.4% 0.013 0.065 0.42 2.10 0.004 0.019 0.12 0.60 0.013 0.065 0.42 2.10 0.009 0.044 0.28 1.40 12,450 12,672 Notes: (1) New Taiwan Dollars have been translated into U.S. Dollars at the June 30, 2010 exchange rate of NT $32.11 per U.S. Dollar. All figures are in ROC GAAP. (2) 1 ADS equals 5 common shares. 12,450 12,638 Financial Table 2/4 (34.0%) UNITED MICROELECTRONICS CORPORATION Unaudited Condensed Unconsolidated Income Statement Figures in Million of New Taiwan Dollars (NT$) and U.S. Dollars (US$) Except Per Share and Per ADS Data Net Sales Cost of Goods Sold Net Gross Profit Operating Expenses - Sales & Marketing - General & Administrative - Research & Development Operating Income For the Three-Month Period Ended June 30, 2010 US$ NT$ % 926 29,745 100.0% (652) (20,940) (70.4%) 274 8,805 29.6% (17) (21) (67) (105) 169 (553) (679) (2,136) (3,368) 5,437 For the Six-Month Period Ended June 30, 2010 US$ NT$ % 1,758 56,460 100.0% (1,280) (41,096) (72.8%) 478 15,364 27.2% (1.8%) (2.3%) (7.2%) (11.3%) 18.3% (34) (40) (129) (203) 275 (1,098) (1,282) (4,143) (6,523) 8,841 (1.9%) (2.3%) (7.3%) (11.5%) 15.7% Net Non-Operating Income (Expenses) Income from Continuing Operations before Income Tax 4 130 0.4% 11 327 0.5% 173 5,567 18.7% 286 9,168 16.2% Income Tax Expense Income from Continuing Operations Extraordinary Gain Net Income (11) 162 2 164 (363) 5,204 69 5,273 (1.2%) 17.5% 0.2% 17.7% (15) 271 2 273 (482) 8,686 69 8,755 (0.8%) 15.4% 0.1% 15.5% Earnings per Share (2) Earnings per ADS Weighted Average Number of Shares Outstanding (in millions) 0.013 0.065 0.42 2.10 12,450 0.022 0.109 0.70 3.50 12,543 Notes: (1) New Taiwan Dollars have been translated into U.S. Dollars at the June 30, 2010 exchange rate of NT $32.11 per U.S. Dollar. All figures are in ROC GAAP. (2) 1 ADS equals 5 common shares. Financial Table 3/4 UNITED MICROELECTRONICS CORPORATION Unaudited Condensed Unconsolidated Statement of Cash Flows For The Six-Month Period Ended June 30, 2010 Figures in Million of New Taiwan Dollars (NT$) and U.S. Dollars (US$) USD Cash flows from operating activities : Net Income Extraordinary gain Depreciation & Amortization Gain on recovery in market value and obsolescence of inventories Cash dividends received under the equity method Investment loss accounted for under the equity method Gain on valuation of financial assets and liabilities Gain on disposal of investments Gain on disposal of property, plant and equipment Exchange loss on financial assets and liabilities Exchange loss on long-term liabilities Amortization of bond discounts Amortization of deferred income Compensation cost of share-based payment Changes in assets, liabilities and others Net cash provided by operating activities NTD 273 (3) 492 (9) 9 6 (2) (7) (0) 1 1 3 (3) 10 (21) 750 8,755 (83) 15,806 (294) 299 202 (60) (234) (14) 33 21 113 (82) 309 (674) 24,097 Cash flows from investing activities : Proceeds from disposal of available-for-sales financial assets Proceed from sale of financial assets measured at cost Acquisition of long-term investments accounted for under the equity method Proceeds from disposal of long-term investments accounted for the equity method Proceeds from liquidation of long-term investments Acquisition of property, plant and equipment Proceeds from disposal of property, plant and equipment Proceeds from disposal of non-current assets held for sale Increase in deferred charges Increase in other assets - others Net cash used in investing activities 12 3 (55) 1 0 (588) 1 12 (8) (3) (625) 389 84 (1,782) 38 10 (18,873) 24 401 (267) (108) (20,084) Cash flows from financing activities : Proceeds from short-term loans Proceeds from long-term loans Repayments of long-term loans Redemption of bonds Exercise of employee stock options Purchase of treasury stock Disposal of treasury stock Increase in deposits-in Net cash used by financing activities 23 9 (0) (233) 0 (151) 0 0 (352) 721 300 (11) (7,500) 3 (4,844) 15 1 (11,315) Effect of exchange rate changes on cash and cash equivalents Net decrease in cash and cash equivalents 0 (227) 16 (7,286) Cash and cash equivalents at beginning of period 1,644 52,792 Cash and cash equivalents at end of period 1,417 45,506 Note: New Taiwan Dollars have been translated into U.S. Dollars at the June 30, 2010 exchange rate of NT $32.11 per U.S. Dollar. All figures are in ROC GAAP. Financial Table 4/4