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The weighted average remaining contractual term and aggregate intrinsic value of options under the foregoing plans as of December 31, 2010 were as follows: 

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The aggregate intrinsic value in the above table represents the total intrinsic value (the difference between the Company’s closing stock price on the last trading day of fiscal year 2010 and the exercise price, multiplied by the number of in-the-money options) that would have been received by the option holders had all option holders exercised their options on December 31, 2010. Intrinsic value will change in future periods based on the fair market value of the Company’s stock and the number of shares outstanding. 

SENAO did not grant any options in 2008, 2009 and 2010. 

Total intrinsic values of options exercised for the years ended December 31, 2008, 2009 and 2010 were NT$117 million, NT$113 million and NT$110 million, respectively. Total fair values of shares vested during the years ended December 31, 2008, 2009 and 2010 were NT$238 million NT$252 million and NT$164 million, respectively. 

A summary of the status of the Company’s nonvested shares as of December 31, 2010 and changes during the year ended December 31, 2010 is presented below: 

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As of December 31, 2010, there was NT$2 million of total unrecognized compensation expense related to nonvested options. The expense is expected to be recognized over a weight-average period of 1.29 years. 

