UNITED MICROELECTRONICS CORPORATION Condensed Unconsolidated Balance Sheet As of March 31, 2011 Figures in Millions of New Taiwan Dollars (NT$) and U.S. Dollars (US$) March 31, 2011 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 1,055 35 214 536 409 60 2,309 31,031 1,017 6,298 15,775 12,019 1,762 67,902 11.8% 0.4% 2.4% 6.0% 4.6% 0.7% 25.9% Non-Current Assets Funds and Investments Property, Plant and Equipment, net Other Assets Total Non-Current Assets TOTAL ASSETS 2,234 4,181 205 6,620 8,929 65,706 122,967 6,028 194,701 262,603 25.0% 46.8% 2.3% 74.1% 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 90 65 947 187 16 1,304 2,651 1,904 27,849 5,509 456 38,369 1.0% 0.7% 10.6% 2.1% 0.2% 14.6% Non-Current Liabilities Long-term Loans Other Liabilities Total Non-Current Liabilities TOTAL LIABILITIES 27 119 146 1,450 794 3,493 4,287 42,656 0.3% 1.3% 1.6% 16.2% 4,416 1,539 1,735 129,879 45,271 51,020 49.5% 17.2% 19.5% (211) 7,479 8,929 (6,223) 219,947 262,603 (2.4%) 83.8% 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 March 31, 2011 exchange rate of NT $29.41 per U.S. Dollar. All figures are in ROC GAAP. Financial Table 1/4 UNITED MICROELECTRONICS CORPORATION Condensed Unconsolidated Income Statement Figures in Millions of New Taiwan Dollars (NT$) and U.S. Dollars (US$) Except Per Share and Per ADS Data Year over Year Comparison Net Sales Cost of Goods Sold Net Gross Profit Operating Expenses - Sales & Marketing - General & Administrative - Research & Development Operating Income Net Non-Operating Income (Expenses) Income from Continuing Operations before Income Tax Income Tax Expense Net Income Earnings per Share Earnings per ADS (2) Weighted Average Number of Shares Outstanding (in millions) Quarter over Quarter Comparison Three-Month Period Ended March 31, 2011 March 31, 2010 US$ NT$ US$ NT$ 956 28,118 908 26,715 (693) (20,376) (685) (20,156) 263 7,742 223 6,559 27.5% 27.5% 24.6% 24.6% (15) (23) (74) (112) 151 15.8% (452) (668) (2,180) (3,300) 4,442 15.8% (19) (21) (67) (107) 116 12.7% (545) (603) (2,007) (3,155) 3,404 12.7% % Chg. 5.3% 1.1% 18.0% (17.1%) 10.8% 8.6% 4.6% 30.5% Three-Month Period Ended March 31, 2011 December 31, 2010 US$ NT$ US$ NT$ 956 28,118 1,065 31,319 (693) (20,376) (723) (21,267) 263 7,742 342 10,052 27.5% 27.5% 32.1% 32.1% (15) (23) (74) (112) 151 15.8% (452) (668) (2,180) (3,300) 4,442 15.8% (17) (25) (75) (117) 225 21.1% (486) (732) (2,234) (3,452) 6,600 21.1% % Chg. (10.2%) (4.2%) (23.0%) (7.0%) (8.7%) (2.4%) (4.4%) (32.7%) 15 432 6 197 100.0% 15 432 14 426 166 17.3% 4,874 17.3% 122 13.5% 3,601 13.5% 35.4% 166 17.3% 4,874 17.3% 239 22.4% 7,026 22.4% (30.6%) (14) 152 15.9% (391) 4,483 15.9% (4) 118 13.0% (119) 3,482 13.0% 100.0% 28.7% (14) 152 15.9% (391) 4,483 15.9% (21) 218 20.5% (602) 6,424 20.5% (35.0%) (30.2%) 0.012 0.061 0.36 1.80 0.010 0.048 0.28 1.40 0.012 0.061 0.36 1.80 0.018 0.088 0.52 2.60 12,514 12,638 12,514 12,451 Notes: (1) New Taiwan Dollars have been translated into U.S. Dollars at the March 31, 2011 exchange rate of NT $29.41 per U.S. Dollar. All figures are in ROC GAAP. (2) 1 ADS equals 5 common shares. Financial Table 2/4 1.4% UNITED MICROELECTRONICS CORPORATION Condensed Unconsolidated Income Statement Figures in Millions of New Taiwan Dollars (NT$) and U.S. Dollars (US$) Except Per Share and Per ADS Data Net Sales Cost of Goods Sold Net Gross Profit Operating Expenses - Sales & Marketing - General & Administrative - Research & Development Operating Income For the Three-Month Period Ended March 31, 2011 US$ NT$ 956 28,118 (693) (20,376) 263 7,742 (15) (23) (74) (112) 151 (452) (668) (2,180) (3,300) 4,442 100.0% (72.5%) 27.5% 956 (693) 263 For the Year Ended March 31, 2011 NT$ 28,118 (20,376) 7,742 (1.6%) (2.3%) (7.8%) (11.7%) 15.8% (15) (23) (74) (112) 151 (452) (668) (2,180) (3,300) 4,442 % US$ % 100.0% (72.5%) 27.5% (1.6%) (2.3%) (7.8%) (11.7%) 15.8% Net Non-Operating Income (Expenses) Income from Continuing Operations before Income Tax 15 432 1.5% 15 432 1.5% 166 4,874 17.3% 166 4,874 17.3% Income Tax Expense Net Income (14) 152 (391) 4,483 (1.4%) 15.9% (14) 152 (391) 4,483 (1.4%) 15.9% Earnings per Share Earnings per ADS (2) Weighted Average Number of Shares Outstanding (in millions) 0.012 0.061 0.36 1.80 0.012 0.061 12,514 0.36 1.80 12,514 Notes: (1) New Taiwan Dollars have been translated into U.S. Dollars at the March 31, 2011 exchange rate of NT $29.41 per U.S. Dollar. All figures are in ROC GAAP. (2) 1 ADS equals 5 common shares. Financial Table 3/4 UNITED MICROELECTRONICS CORPORATION Condensed Unconsolidated Statement of Cash Flows For The Year Ended March 31, 2011 Figures in Millions of New Taiwan Dollars (NT$) and U.S. Dollars (US$) USD Cash flows from operating activities : Net Income Depreciation & Amortization Loss on decline 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 Stock-based payment Changes in assets, liabilities and others Net cash provided by operating activities Cash flows from investing activities : Proceeds from disposal of available-for-sales financial assets Acquisition of financial assets measured at cost Proceed from sale of financial assets measured at cost Acquisition of long-term investments accounted for under the equity method Acquisition of property, plant and equipment Proceeds from disposal of property, plant and equipment Increase in deferred charges Decrease in other assets - others Net cash used in investing activities Cash flows from financing activities : Decrease in short-term loans Repayments of long-term loans Proceeds from disposal of treasury stock Decrease in deposits-in Net cash used by financing activities Effect of exchange rate changes on cash and cash equivalents Net decrease in cash and cash equivalents NTD 152 249 3 8 10 (7) (0) (0) 3 2 2 (1) 7 3 431 4,483 7,317 79 237 309 (203) (16) (10) 81 52 58 (29) 213 96 12,667 0 (7) 2 (51) (434) 0 (2) 0 (492) 1 (196) 50 (1,500) (12,757) 1 (73) 0 (14,474) (2) (2) 0 (0) (4) (54) (69) 7 (4) (120) 0 (65) 23 (1,904) Cash and cash equivalents at beginning of period 1,120 32,935 Cash and cash equivalents at end of perio 1,055 31,031 Note: New Taiwan Dollars have been translated into U.S. Dollars at the March 31, 2011 exchange rate of NT $29.41 per U.S. Dollar. All figures are in ROC GAAP. Financial Table 4/4