10. Redeemable Convertible Preferred Stock

Redeemable Convertible Series G Preferred Stock

        Redeemable convertible preferred stock was as follows as of the closing date of our IPO:

        During the period from February 1, 2011 through the closing date of our IPO, we accrued dividends of $3.6 million on our redeemable convertible preferred stock. Upon the closing of the IPO on June 20, 2011, all outstanding redeemable convertible preferred stock was converted into shares of common stock at the contractual conversion ratios per the relevant redeemable preferred stock purchase agreements. Subsequent to our IPO, there are no further convertible preferred share dividends as all outstanding convertible preferred stock has been converted. On the closing date of the IPO we paid $30.6 million in dividends to the holders of redeemable convertible preferred stock.

Accretion of Redeemable Convertible Preferred Stock

        Stock issuance costs were being accreted via a charge to accumulated deficit over the period from the date of issuance of the redeemable convertible preferred stock to the date at which the redeemable convertible preferred stock became redeemable at the option of the holders of the redeemable convertible preferred stock, the date of our IPO.