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(1) The historical prices and volumes of our ADSs traded on the New York Stock Exchange have been adjusted based on prior cash dividend payments, capital increases and capital reductions. 

As of April 13, 2012, a total of 42,512,221 ADSs and 7,757,446,545 common shares (including those represented by ADSs) were outstanding. With certain limited exceptions, holders of shares that are not Republic of China persons are required to hold these shares through a brokerage or custodial account in the Republic of China. As of April 13, 2012, 425,122,210 shares were registered in the name of a nominee of JP Morgan Chase Bank, the depositary under the deposit agreement. 

## B. Plan of Distribution 

Not applicable. 

## C. Markets 

The principal trading market for our common shares is the Taiwan Stock Exchange and the principal trading market for our ADSs is the New York Stock Exchange. 

## D. Selling Stockholders 

Not applicable. 

## E. Dilution 

Not applicable. 

## F. Expenses of the Issue 

Not applicable. 

