Quarterly report pursuant to Section 13 or 15(d)

Share Capital

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Share Capital
6 Months Ended
Jun. 30, 2011
Preferred Stock [Abstract]  
Share Capital
9.  Share Capital

Series B Preference Shares

In December of 2003, the Company issued 2,959 Series B preference shares to Genentech, Inc. in repayment of $29.6 million of the outstanding balance under a convertible subordinated debt agreement. Pursuant to the rights of the Series B preference shares, the holder of Series B preference shares was not entitled to receive any dividends on the Series B preference shares. The Series B preference shares ranked senior with respect to rights on liquidation, winding-up and dissolution of the Company to all classes of common shares. Upon any voluntary or involuntary liquidation, dissolution or winding-up of the Company, the holder of Series B preference shares would have been entitled to receive $10,000 per Series B preference share (or $29.6 million in the aggregate) before any distribution was made on the common shares. The holder of the Series B preference shares had no voting rights, except as required under Bermuda law.
 
The holder of Series B preference shares had the right to convert Series B preference shares into common shares at a conversion price equal to $116.25 per common share, subject to adjustment in certain circumstances.

In April of 2011, the 2,959 Series B convertible preference shares were converted by Genentech into 254,560 common shares. The $29.6 million liquidation preference associated with the Series B preference shares was eliminated as a result of this conversion.