
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME | 
|---|---|---|---|---|---|
| December 31 2011    | $12,217.56    | $12,217.56    | $12,217.56    | $12,217.56    | —    | 
| December 30 2011    | $12,286.13    | $12,290.06    | $12,213.78    | $12,217.56    | 96,673,612    | 
| December 29 2011    | $12,152.09    | $12,293.96    | $12,152.09    | $12,287.04    | 84,607,047    | 
| December 28 2011    | $12,288.85    | $12,299.11    | $12,140.17    | $12,151.41    | 84,007,561    | 
| December 27 2011    | $12,293.47    | $12,328.47    | $12,269.97    | $12,291.35    | 95,978,305    | 
| December 26 2011    | $12,294.00    | $12,294.00    | $12,294.00    | $12,294.00    | —    | 
| December 25 2011    | $12,294.00    | $12,294.00    | $12,294.00    | $12,294.00    | —    | 
| December 24 2011    | $12,294.00    | $12,294.00    | $12,294.00    | $12,294.00    | —    | 
| December 23 2011    | $12,169.80    | $12,297.44    | $12,169.80    | $12,294.00    | 80,417,546    | 
| December 22 2011    | $12,107.59    | $12,182.71    | $12,107.37    | $12,169.65    | 151,610,732    | 
| December 21 2011    | $12,103.28    | $12,119.70    | $11,999.44    | $12,107.74    | 163,247,818    | 
| December 20 2011    | $11,769.21    | $12,117.13    | $11,768.83    | $12,103.58    | 165,182,637    | 
| December 19 2011    | $11,866.54    | $11,925.88    | $11,735.19    | $11,766.26    | 135,174,715    | 
| December 18 2011    | $11,866.39    | $11,866.39    | $11,866.39    | $11,866.39    | —    | 
| December 17 2011    | $11,866.39    | $11,866.39    | $11,866.39    | $11,866.39    | —    | 
| December 16 2011    | $11,870.25    | $11,968.18    | $11,819.31    | $11,866.39    | 389,522,858    | 
| December 15 2011    | $11,825.29    | $11,967.84    | $11,825.22    | $11,868.81    | 136,931,186    | 
| December 14 2011    | $11,949.72    | $11,950.02    | $11,786.47    | $11,823.48    | 161,242,951    | 
| December 13 2011    | $12,018.66    | $12,147.70    | $11,904.38    | $11,954.94    | 171,912,374    | 
| December 12 2011    | $12,181.08    | $12,181.38    | $11,940.86    | $12,021.39    | 149,051,401    | 
| December 11 2011    | $12,184.26    | $12,184.26    | $12,184.26    | $12,184.26    | —    | 
| December 10 2011    | $12,184.26    | $12,184.26    | $12,184.26    | $12,184.26    | —    | 
| December 09 2011    | $11,996.03    | $12,212.83    | $11,995.51    | $12,184.26    | 154,245,890    | 
| December 08 2011    | $12,195.91    | $12,195.91    | $11,966.22    | $11,997.70    | 165,875,936    | 
| December 07 2011    | $12,144.41    | $12,257.67    | $12,060.37    | $12,196.37    | 168,436,383    |