PART I Currency Translations and Exchange Rates  5 The following table sets forth, for each of the periods indicated, the low, average, high and period-end  For the convenience of readers, NT dollar amounts used in this annual report for, and as of, the year ended  December 31, 2010 have been translated into U.S. dollar amounts using US$1.00=NT$29.14, set forth in the  statistical release of the Federal Reserve Board on December 30, 2010. The U.S. dollar translation appears in  parentheses next to the relevant NT dollar amount. We make no representation that any New Taiwan dollar  amounts or U.S. dollar amounts referred to in this annual report could have been or could be converted into  U.S. dollars or New Taiwan dollars, as the case may be, at any particular rate or at all. On April 15, 2011, the  exchange rate was NT$29.04 to $1.00.  (1) As a result of the adoption of Interpretation 96-052 issued by the Accounting and Research Development  Foundation, or ARDF, in the Republic of China, beginning from January 1, 2008, bonuses paid to  employees, directors, and supervisors are recognized as an expense rather than an appropriation of earnings,  and we accrued NT$1,891 million, NT$1,964 million and NT$2,358 million (US$80.9 million) in 2008,  2009 and 2010, respectively. Some portion of the aforementioned amounts of NT$41 million, NT$39  million and NT$46 million (US$1.6 million) were capitalized as part of property, plant and equipment.  Interpretation 96-052 is effective for the financial statements beginning after January 1, 2008, thus we did  not retrospectively restate our financial statements for the years of 2006 and 2007.  (2) Includes interest income of NT$804 million, NT$1,453 million, NT$1,916 million, NT$479 million and  NT$475 million (US$16.3 million) for the years ended December 31, 2006, 2007, 2008, 2009 and 2010  respectively, and interest expense of NT$6 million, NT$15 million, NT$4 million, NT$15 million and  NT$107 million (US$3.7 million) for the years ended December 31, 2006, 2007, 2008, 2009 and 2010  respectively.  (3) Excludes current portion of long-term loans.  (4) Represents gross profits divided by net revenues.  (5) Represents income from operations divided by net revenues.  (6) Represents net income attributed to stockholders of the parent divided by net revenues.  (7) Dividends for 2006, 2007, 2008 and 2009, in U.S. dollars were US$0.11, US$0.13, US$0.12 and US$0.14,  respectively. The amounts were calculated using the exchange rates of the subsequent years for convenience  translation.  (8) Dividends for 2010 were approved in the board meeting in march 2011 and are expected to have the final  approval at our annual general stockholders’ meeting scheduled for june 24, 2011.  Year Ended December 31, 2006 (1) 2007 (1) 2008 (1) 2009 2010 NT$ NT$ NT$ NT$ NT$ US$ (in billions, except for percentages and per share and  per pro forma ADS data) Cash Flow Data: ROC GAAP Net cash provided by operating activities 100.7  89.0  91.9  77.3  84.8  2.9  Net cash used in investing activities (18.8 ) (38.6 ) (34.5 ) (29.5 ) (17.4 ) (0.6 ) Net cash used in financing activities (52.9 ) (44.3 ) (52.3 ) (56.5 ) (47.0 ) (1.6 ) Net increase (decrease) in cash and cash equivalents 28.8  5.6  5.1  (8.0 ) 17.6  0.6  Other Financial Data: ROC GAAP Gross margin (4) 49% 46% 44% 43% 43% 43% Operating margin (5) 31% 31% 29% 28% 28% 28% Net margin$^{(6}$) 24% 24% 22% 22% 24% 24% Capital expenditures 27.7  25.1  30.1  25.5  24.6  0.8  Depreciation and amortization 41.0  39.8  38.2  36.3  34.1  1.2  Cash dividends declared per share 3.58  (7) 4.26  (7) 3.83  (7) 4.06 (7)  5.5243 (8) 0.19 (8) Stock dividends declared per share 1.00  2.10  1.00  — — (8) — (8)