P AR T I Currency Translations and Exchange Rates  5 (8)  Dividends for 2011 are expected to be declared at our 2012 annual general stockholders’ meeting scheduled for June 2012.  (7)  Dividends for 2007, 2008, 2009 and 2010, in U.S. dollars were US$0.13, US$0.12, US$0.14 and US$0.18, respectively. The  amounts were calculated using the exchange rates of the subsequent years for convenience translation.  (6)  Represents net income attributed to stockholders of the parent divided by net revenues.  (5)  Represents income from operations divided by net revenues.  (4)  Represents gross profits divided by net revenues.  (3)  Excludes current portion of long-term loans.  (2)  Includes interest income of NT$1,453 million, NT$1,916 million, NT$479 million, NT$475 million and NT$682 million  (US$22.5 million) for the years ended December 31, 2007, 2008, 2009, 2010 and 2011 respectively, and interest expense of  NT$15 million, NT$4 million, NT$15 million. NT$107 million and NT$31 million (US$1.0 million) for the years ended  December 31, 2007, 2008, 2009, 2010 and 2011 respectively.  (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, NT$2,358 million  and NT$2,344 million (US$77.4 million) in 2008, 2009, 2010 and 2011, respectively. Some portion of the aforementioned  amounts of NT$41 million, NT$39 million, NT$46 million and NT$49 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 year of 2007.  For the convenience of readers, NT dollar amounts used in this annual report for, and as of, the year ended December 31,  2011 have been translated into U.S. dollar amounts using US$1.00=NT$30.27, set forth in the statistical release of the Federal  Reserve Board on December 30, 2011. 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 13, 2012,  the exchange rate was NT$29.48 to $1.00.  The following table sets forth, for each of the periods indicated, the low, average, high and period-end exchange rates of the  New Taiwan dollar, expressed in New Taiwan dollar per U.S. dollar. These rates are provided solely for your convenience and are  Year Ended December 31, 2007 (1) 2008 (1) 2009 2010 2011 NT$ NT$ NT$ NT$ NT$ US$ (in billions, except for percentages and per share and per pro forma ADS data) Cash Flow Data: R.O.C GAAP Net cash provided by operating activities 89.0 91.9 77.3 84.8 75.3 2.5 Net cash used in investing activities (38.6) (34.5) (29.5) (17.4) (33.1) (1.1) Net cash used in financing activities (44.3) (52.3) (56.5) (47.0) (65.7) (2.2) Net increase (decrease) in cash and cash  equivalents 5.6 5.1 (8.0) 17.6 (23.5) (0.8) Other Financial Data: R.O.C GAAP Gross margin (4) 46% 44% 43% 43% 39% 39% Operating margin (5) 31% 29% 28% 28% 25% 25% Net margin (6) 24% 22% 22% 24% 22% 22% Capital expenditures 25.1 30.1 25.5 24.6 26.9 0.9 Depreciation and amortization 39.8 38.2 36.3 34.1 32.3 1.1 Cash dividends declared per share 4.26 (7) 3.83 (7) 4.06 (7) 5.52 (7) 5.46 (8) 0.18 (8) Stock dividends declared per share 2.10 1.00 — — — (8) — (8)