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</td> <td> &#160; </td> <td colspan="6" nowrap="nowrap" align="center" valign="bottom"> <b>For the Three Months<br /> </b> </td> <td> &#160; </td> <td> &#160; </td> <td colspan="6" nowrap="nowrap" align="center" valign="bottom"> <b>For the Nine Months<br /> </b> </td> <td> &#160; </td> </tr> <tr style="font-size: 8pt" valign="bottom" align="center"> <td nowrap="nowrap" align="center" valign="bottom"> &#160; </td> <td> &#160; </td> <td colspan="6" nowrap="nowrap" align="center" valign="bottom" style="border-bottom: 1px solid #000000"> <b>Ended September&#160;30,</b> </td> <td> &#160; </td> <td> &#160; </td> <td colspan="6" nowrap="nowrap" align="center" valign="bottom" style="border-bottom: 1px solid #000000"> <b>Ended September&#160;30,</b> </td> <td> &#160; </td> </tr> <tr style="font-size: 8pt" valign="bottom" align="center"> <td nowrap="nowrap" align="left" valign="bottom" style="border-bottom: 1px solid #000000"> <b>(In millions)</b> </td> <td> &#160; </td> <td colspan="2" nowrap="nowrap" align="center" valign="bottom" style="border-bottom: 1px solid #000000"> <b>2010</b> </td> <td> &#160; </td> <td> &#160; </td> <td colspan="2" nowrap="nowrap" align="center" valign="bottom" style="border-bottom: 1px solid #000000"> <b>2009</b> </td> <td> &#160; </td> <td> &#160; </td> <td colspan="2" nowrap="nowrap" align="center" valign="bottom" style="border-bottom: 1px solid #000000"> <b>2010</b> </td> <td> &#160; </td> <td> &#160; </td> <td colspan="2" nowrap="nowrap" align="center" valign="bottom" style="border-bottom: 1px solid #000000"> <b>2009</b> </td> <td> &#160; </td> </tr> <tr style="line-height: 3pt; font-size: 1pt"> <td>&#160; </td> </tr> <!-- TableOutputBody --> <tr valign="bottom" style="background: #cceeff"> <td nowrap="nowrap" align="left" valign="bottom"> <div style="text-indent: -10pt; margin-left: 10pt"> Numerator: </div> </td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="right" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="right" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="right" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="right" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> </tr> <tr valign="bottom"> <td align="left" valign="bottom"> <div style="text-indent: -10pt; margin-left: 10pt"> Net income attributable to Biogen Idec </div> </td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> $ </td> <td nowrap="nowrap" align="right" valign="bottom"> 254.1 </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> $ </td> <td nowrap="nowrap" align="right" valign="bottom"> 277.7 </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> $ </td> <td nowrap="nowrap" align="right" valign="bottom"> 765.0 </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> $ </td> <td nowrap="nowrap" align="right" valign="bottom"> 664.5 </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> </tr> <tr valign="bottom" style="background: #cceeff"> <td align="left" valign="bottom"> <div style="text-indent: -10pt; margin-left: 10pt"> Adjustment for net income allocable to preferred shares </div> </td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="right" valign="bottom"> (0.5 </td> <td nowrap="nowrap" align="left" valign="bottom"> ) </td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="right" valign="bottom"> (0.5 </td> <td nowrap="nowrap" align="left" valign="bottom"> ) </td> <td> &#160; 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</td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="right" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="right" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="right" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> </tr> <tr valign="bottom"> <td align="left" valign="bottom"> <div style="text-indent: -10pt; margin-left: 10pt"> Weighted average number of common shares outstanding </div> </td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="right" valign="bottom"> 239.9 </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; 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