UNITED MICROELECTRONICS CORPORATION Unaudited Condensed Unconsolidated Balance Sheet As of September 30, 2010 Figures in Million of New Taiwan Dollars (NT$) and U.S. Dollars (US$) September 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 1,246 46 216 594 342 66 2,510 38,931 1,443 6,742 18,553 10,670 2,066 78,405 14.8% 0.6% 2.6% 7.1% 4.1% 0.7% 29.9% Non-Current Assets Funds and Investments Property, Plant and Equipment, net Other Assets Total Non-Current Assets TOTAL ASSETS 2,146 3,546 193 5,885 8,395 67,026 110,783 6,036 183,845 262,250 25.6% 42.2% 2.3% 70.1% 100.0% LIABILITIES Current Liabilities Short-term Loans Financial Liabilities at Fair Value through Profit or Loss, current Payables Current Portion of Long-term Liabilities Other Current Liabilities Total Current Liabilities 84 64 990 179 24 1,341 2,632 1,988 30,936 5,580 759 41,895 1.0% 0.8% 11.8% 2.1% 0.3% 16.0% Non-Current Liabilities Long-term Loans Other Liabilities Total Non-Current Liabilities TOTAL LIABILITIES 26 112 138 1,479 808 3,497 4,305 46,200 0.3% 1.3% 1.6% 17.6% 4,157 1,436 1,539 129,879 44,873 48,032 49.5% 17.1% 18.4% (216) 6,916 8,395 (6,734) 216,050 262,250 (2.6%) 82.4% 100.0% STOCKHOLDERS' EQUITY Capital Stock Additional Paid-in Capital Retained Earnings, Unrealized Gain or Loss on Financia 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 September 30, 2010 exchange rate of NT 3$1.24 per U.S. Dollar. All figures are in ROC GAAP. Financial Table 1/4 UNITED MICROELECTRONICS CORPORATION Unaudited Condensed Unconsolidated Income Statement Figures in Million of New Taiwan Dollars (NT$) and U.S. Dollars (US$) Except Per Share and Per ADS Data Year over Year Comparison Net Sales Cost of Goods Sold Net Gross Profit Operating Expenses - Sales & Marketing - General & Administrative - Research & Development Operating Income Net Non-Operating Income (Expenses) Income from Continuing Operations before Income Tax Income Tax Expense Income from Continuing Operations Extraordinary Gain Net Income Earnings per Share Earnings per ADS (2) Weighted Average Number of Shares Outstanding (in millions) Quarter over Quarter Comparison Three-Month Period Ended September 30, 2010 September 30, 2009 US$ NT$ US$ NT$ 1,045 32,652 877 27,406 (704) (22,004) (632) (19,751) 341 10,648 245 7,655 32.6% 32.6% 27.9% 27.9% (18) (22) (71) (111) 230 22.0% (567) (692) (2,202) (3,461) 7,187 22.0% (20) (19) (71) (110) 135 15.4% % Chg. 19.1% 11.4% 39.1% (629) (593) (2,224) (3,446) 4,209 15.4% (9.9%) 16.7% (1.0%) 0.4% 70.8% 62 1,937 70 2,180 (11.1%) 292 27.9% 9,124 27.9% 205 23.3% 6,389 23.3% (13) 279 279 26.7% (404) 8,720 8,720 26.7% (10) 195 195 22.2% (298) 6,091 6,091 22.2% 0.022 0.112 0.70 3.50 0.015 0.077 0.48 2.40 12,450 Three-Month Period Ended September 30, 2010 June 30, 2010 US$ NT$ US$ NT$ 1,045 32,652 952 29,745 (704) (22,004) (670) (20,940) 341 10,648 282 8,805 32.6% 32.6% 29.6% 29.6% (18) (22) (71) (111) 230 22.0% (567) (692) (2,202) (3,461) 7,187 22.0% (18) (22) (68) (108) 174 18.3% % Chg. 9.8% 5.1% 20.9% (553) (679) (2,136) (3,368) 5,437 18.3% 2.5% 1.9% 3.1% 2.8% 32.2% 62 1,937 4 130 100.0% 42.8% 292 27.9% 9,124 27.9% 178 18.7% 5,567 18.7% 63.9% 35.6% 43.2% 43.2% (13) 279 279 26.7% (404) 8,720 8,720 26.7% (11) 167 2 169 17.7% (363) 5,204 69 5,273 17.7% 11.3% 67.6% (100.0%) 65.4% 0.022 0.112 0.70 3.50 0.013 0.067 0.42 2.10 12,672 12,450 12,450 Notes: (1) New Taiwan Dollars have been translated into U.S. Dollars at the September 30, 2010 exchange rate of NT $31.24 per U.S. Dollar. All figures are in ROC GAAP. (2) 1 ADS equals 5 common shares. Financial Table 2/4 UNITED MICROELECTRONICS CORPORATION Unaudited Condensed Unconsolidated Income Statement Figures in Million of New Taiwan Dollars (NT$) and U.S. Dollars (US$) Except Per Share and Per ADS Data Net Sales Cost of Goods Sold Net Gross Profit Operating Expenses - Sales & Marketing - General & Administrative - Research & Development Operating Income For the Three-Month Period Ended September 30, 2010 US$ NT$ % 1,045 32,652 100.0% (704) (22,004) (67.4%) 341 10,648 32.6% For the Nine-Month Period Ended September 30, 2010 US$ NT$ % 2,852 89,112 100.0% (2,019) (63,100) (70.8%) 833 26,012 29.2% (18) (22) (71) (111) 230 (567) (692) (2,202) (3,461) 7,187 (1.7%) (2.1%) (6.7%) (10.6%) 22.0% (53) (63) (204) (320) 513 (1,665) (1,973) (6,346) (9,984) 16,028 (1.9%) (2.2%) (7.1%) (11.2%) 18.0% Net Non-Operating Income (Expenses) Income from Continuing Operations before Income Tax 62 1,937 5.9% 73 2,264 2.5% 292 9,124 27.9% 586 18,292 20.5% Income Tax Expense Income from Continuing Operations Extraordinary Gain Net Income (13) 279 279 (404) 8,720 8,720 (1.2%) 26.7% 0.0% 26.7% (29) 557 2 559 (886) 17,406 69 17,475 (1.0%) 19.5% 0.1% 19.6% Earnings per Share Earnings per ADS (2) Weighted Average Number of Shares Outstanding (in millions) 0.022 0.112 0.70 3.50 0.045 0.224 12,450 1.40 7.00 12,512 Notes: (1) New Taiwan Dollars have been translated into U.S. Dollars at the September 30, 2010 exchange rate of NT $31.24 per U.S. Dollar. All figures are in ROC GAAP. (2) 1 ADS equals 5 common shares. Financial Table 3/4 UNITED MICROELECTRONICS CORPORATION Unaudited Condensed Unconsolidated Statement of Cash Flows For The Nine-Month PeriodEnded September 30, 2010 Figures in Million of New Taiwan Dollars (NT$) 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 gain accounted for under the equity method Loss on valuation of financial assets and liabilities Gain on disposal of investments Gain on disposal of property, plant and equipment Exchange gain on financial assets and liabilities Exchange gain on long-term liabilities Amortization of bond discounts Amortization of deferred income Stock-based payment Changes in assets, liabilities and others Net cash provided by operating activities NTD 559 (3) 743 (9) 10 (16) 10 (22) (1) (1) (4) 5 (4) 15 (0) 1,282 17,475 (82) 23,210 (268) 299 (494) 298 (694) (41) (34) (126) 170 (115) 464 (11) 40,051 52 3 (57) 1 (1) 0 (1,224) 2 13 (10) (4) (1,225) 1,624 84 (1,782) 38 (18) 10 (38,241) 60 401 (322) (109) (38,255) Cash flows from financing activities : Increase in short-term loans Proceeds from long-term loans Repayments of long-term loans Redemption of bonds Cash dividends Exercise of employee stock options Purchase of treasury stock Proceeds from disposal of treasury stock Increase in deposits-in Net cash used by financing activities 84 10 (1) (240) (200) 0 (155) 1 0 (501) 2,622 300 (22) (7,500) (6,233) 3 (4,844) 21 7 (15,646) Effect of exchange rate changes on cash and cash equivalents Net decrease in cash and cash equivalents (0) (444) (11) (13,861) 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 Prepayment for long-term investments 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 Cash and cash equivalents at beginning of period 1,690 52,792 Cash and cash equivalents at end of perio 1,246 38,931 Note: New Taiwan Dollars have been translated into U.S. Dollars at the September 30, 2010 exchange rate of NT $31.24 per U.S. Dollar. All figures are in ROC GAAP. Financial Table 4/4