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The following summary shows stock option activity for employees under the Plan for the three years ended December 31, 2010: 

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The number of stock options indicated in the above table as being exercisable as of December 31, 2010, had an intrinsic value of $40.6 million, a weighted-average remaining contractual term of 4.5 years, and a weighted-average exercise price of $27.65. 

We recognized $5.3 million ($3.3 million after-tax), $4.9 million ($3.0 million after-tax) and $4.7 million ($2.9 million after-tax) in compensation expense related to stock options for the years ended December 31, 2010, 2009 and 2008, respectively. We applied a forfeiture rate of two percent per stock option grant in the calculation of such expense for the years prior to 2010. For grants beginning in 2010, we adjusted our forfeiture rate assumption and began applying a rate of four percent per stock option grant in the calculation of such expense. 

As of December 31, 2010, we had total remaining unrecognized compensation cost related to unvested stock options of $5.4 million which will be amortized over the weighted-average remaining requisite service period of approximately 1.8 years. 

## Restricted Awards 

The grant-date fair value of restricted stock awards and stock units under the Plan is based on the market price per share of our common stock on the date of grant, and the related compensation cost is amortized to expense on a straight-line basis over the vesting period during which the employees perform related services, which is typically three years except for those eligible for retirement prior to the stated vesting period. 

The following table shows our employee restricted award activity for the three years ended December 31, 2010: 

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We recognized $9.4 million ($5.8 million after-tax), $6.3 million ($3.9 million after-tax) and $5.9 million ($3.7 million after-tax) in compensation expense related to restricted awards for the years ended December 31, 2010, 2009 and 2008, respectively. We applied a forfeiture rate assumption of one percent of outstanding grants in the calculation of such expense for the years prior to 2010. For grants 

beginning in 2010, we adjusted our forfeiture rate assumption and began applying a rate of two percent of outstanding grants in the calculation of such expense. As of December 31, 2010, we had total remaining unrecognized compensation cost related to unvested restricted awards of $10.9 million which will be amortized over the weighted-average remaining requisite service period of approximately 1.9 years. 

