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                    Closing price on 2/2/2012
                 |  |  
    
        |           
                
                    | Open | 9.80 |  
                    | High | 10.00 |  
                    | Low | 9.80 |  
                    | Volume | 81,100 |  
                    | Split-adjusted Price | 10.00 |  
                
             | 
 |  SD7 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/2/2012 | +0.60 / +6.38% | 9.80 | 10.00 | 9.80 | 10.00 | 10.00 | 10.00 | 81,100 |   |  
            | 2/1/2012 | -0.10 / -1.05% | 9.30 | 9.40 | 9.30 | 9.40 | 9.40 | 9.40 | 29,700 |   |  			
            | 1/31/2012 | +0.20 / +2.15% | 9.50 | 9.70 | 9.20 | 9.50 | 9.50 | 9.50 | 30,000 |   |  
            | 1/30/2012 | +0.70 / +8.14% | 8.90 | 9.30 | 8.90 | 9.30 | 9.30 | 9.30 | 3,100 |   |  			
            | 1/20/2012 | -0.40 / -4.44% | 9.50 | 9.50 | 8.60 | 8.60 | 8.60 | 8.60 | 8,300 |   |  
            | 1/19/2012 | +0.50 / +5.88% | 9.00 | 9.00 | 8.90 | 9.00 | 9.00 | 9.00 | 17,200 |   |  			
            | 1/18/2012 | +0.10 / +1.19% | 8.50 | 8.60 | 8.30 | 8.50 | 8.50 | 8.50 | 13,600 |   |  
            | 1/17/2012 | -0.60 / -6.67% | 8.60 | 8.60 | 8.30 | 8.40 | 8.40 | 8.40 | 11,000 |   |  			
            | 1/16/2012 | +0.50 / +5.88% | 8.60 | 9.00 | 8.60 | 9.00 | 9.00 | 9.00 | 1,300 |   |  
            | 1/13/2012 | +0.20 / +2.41% | 8.50 | 8.50 | 8.40 | 8.50 | 8.50 | 8.50 | 10,100 |   |  			
            | 1/12/2012 | -0.30 / -3.49% | 8.20 | 8.30 | 8.20 | 8.30 | 8.30 | 8.30 | 4,800 |   |  
            | 1/11/2012 | -0.20 / -2.27% | 8.60 | 9.00 | 8.60 | 8.60 | 8.60 | 8.60 | 20,500 |   |  			
            | 1/10/2012 | +0.40 / +4.76% | 8.50 | 8.80 | 8.50 | 8.80 | 8.80 | 8.80 | 15,600 |   |  
            | 1/9/2012 | +0.10 / +1.20% | 8.20 | 8.40 | 8.20 | 8.40 | 8.40 | 8.40 | 12,800 |   |  			
            | 1/6/2012 | +0.10 / +1.22% | 8.00 | 8.30 | 8.00 | 8.30 | 8.30 | 8.30 | 1,000 |   |  
            | 1/5/2012 | -0.10 / -1.20% | 8.50 | 8.50 | 8.20 | 8.20 | 8.20 | 8.20 | 1,600 |   |  			
            | 1/4/2012 | -0.10 / -1.19% | 8.60 | 8.70 | 8.30 | 8.30 | 8.30 | 8.30 | 1,800 |   |  
            | 1/3/2012 | +0.10 / +1.20% | 8.70 | 8.70 | 8.20 | 8.40 | 8.40 | 8.40 | 15,500 |   |  			
            | 12/30/2011 | +0.10 / +1.22% | 8.00 | 8.40 | 8.00 | 8.30 | 8.30 | 8.30 | 7,900 |   |  
            | 12/29/2011 | -0.20 / -2.38% | 8.10 | 8.20 | 8.00 | 8.20 | 8.20 | 8.20 | 3,100 |   |  			
            | 12/28/2011 | +0.20 / +2.44% | 8.50 | 8.50 | 8.10 | 8.40 | 8.40 | 8.40 | 19,900 |   |  
            | 12/27/2011 | -0.30 / -3.53% | 8.20 | 8.20 | 8.00 | 8.20 | 8.20 | 8.20 | 28,800 |   |  			
            | 12/26/2011 | -0.60 / -6.59% | 8.60 | 8.80 | 8.50 | 8.50 | 8.50 | 8.50 | 19,300 |   |  
            | 12/23/2011 | -0.40 / -4.21% | 9.20 | 9.20 | 9.00 | 9.10 | 9.10 | 9.10 | 26,500 |   |  			
            | 12/22/2011 | -0.70 / -6.86% | 9.90 | 9.90 | 9.50 | 9.50 | 9.50 | 9.50 | 15,600 |   |  
            | 12/21/2011 | +0.40 / +4.08% | 10.20 | 10.20 | 10.20 | 10.20 | 10.20 | 10.20 | 1,500 |   |  			
            | 12/20/2011 | -0.50 / -4.85% | 9.70 | 10.20 | 9.60 | 9.80 | 9.80 | 9.80 | 12,100 |   |  
            | 12/19/2011 | -0.20 / -1.90% | 10.70 | 10.70 | 10.00 | 10.30 | 10.30 | 10.30 | 5,100 |   |  			
            | 12/16/2011 | +0.40 / +3.96% | 10.10 | 10.70 | 10.10 | 10.50 | 10.50 | 10.50 | 9,100 |   |  
            | 12/15/2011 | -0.50 / -4.72% | 10.10 | 10.30 | 10.10 | 10.10 | 10.10 | 10.10 | 16,500 |   |  |