| 
    
        
            | 
                    Closing price on 8/24/2012
                 |  |  
    
        |           
                
                    | Open | 7.50 |  
                    | High | 8.20 |  
                    | Low | 7.30 |  
                    | Volume | 49,600 |  
                    | Split-adjusted Price | 7.80 |  
                
             | 
 |  SD7 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/24/2012 | +0.10 / +1.30% | 7.50 | 8.20 | 7.30 | 7.80 | 7.80 | 7.80 | 49,600 |   |  
            | 8/23/2012 | -0.60 / -7.23% | 7.80 | 7.80 | 7.70 | 7.70 | 7.70 | 7.70 | 29,600 |   |  			
            | 8/22/2012 | -0.50 / -5.68% | 8.50 | 8.50 | 8.20 | 8.30 | 8.30 | 8.30 | 50,200 |   |  
            | 8/21/2012 | -0.60 / -6.38% | 9.30 | 9.30 | 8.80 | 8.80 | 8.80 | 8.80 | 87,200 |   |  			
            | 8/20/2012 | +0.10 / +1.08% | 9.30 | 9.40 | 9.30 | 9.40 | 9.40 | 9.40 | 23,700 |   |  
            | 8/17/2012 | -0.20 / -2.11% | 9.40 | 9.40 | 9.00 | 9.30 | 9.30 | 9.30 | 15,324 |   |  			
            | 8/16/2012 | 0.00 / 0.00% | 9.50 | 9.50 | 9.50 | 9.50 | 9.50 | 9.50 | 24,900 |   |  
            | 8/15/2012 | +0.10 / +1.06% | 9.40 | 9.50 | 9.40 | 9.50 | 9.50 | 9.50 | 9,400 |   |  			
            | 8/14/2012 | -0.20 / -2.08% | 9.70 | 9.70 | 9.40 | 9.40 | 9.40 | 9.40 | 10,100 |   |  
            | 8/13/2012 | +0.10 / +1.05% | 9.30 | 9.60 | 9.30 | 9.60 | 9.60 | 9.60 | 700 |   |  			
            | 8/10/2012 | -0.20 / -2.06% | 9.80 | 10.00 | 9.50 | 9.50 | 9.50 | 9.50 | 28,600 |   |  
            | 8/9/2012 | -0.10 / -1.02% | 9.60 | 9.80 | 9.60 | 9.70 | 9.70 | 9.70 | 28,857 |   |  			
            | 8/8/2012 | 0.00 / 0.00% | 9.80 | 9.80 | 9.80 | 9.80 | 9.80 | 9.80 | 8,600 |   |  
            | 8/7/2012 | 0.00 / 0.00% | 9.80 | 9.80 | 9.80 | 9.80 | 9.80 | 9.80 | 0 |   |  			
            | 8/6/2012 | +0.30 / +3.16% | 9.70 | 9.80 | 9.60 | 9.80 | 9.80 | 9.80 | 16,600 |   |  
            | 8/3/2012 | 0.00 / 0.00% | 9.40 | 9.50 | 9.20 | 9.50 | 9.50 | 9.50 | 17,500 |   |  			
            | 8/2/2012 | +0.20 / +2.15% | 9.30 | 9.50 | 9.30 | 9.50 | 9.50 | 9.50 | 1,700 |   |  
            | 8/1/2012 | 0.00 / 0.00% | 9.10 | 9.30 | 9.00 | 9.30 | 9.30 | 9.30 | 9,800 |   |  			
            | 7/31/2012 | -0.10 / -1.06% | 9.90 | 9.90 | 9.20 | 9.30 | 9.30 | 9.30 | 22,800 |   |  
            | 7/30/2012 | -0.20 / -2.08% | 9.40 | 9.40 | 9.40 | 9.40 | 9.40 | 9.40 | 1,300 |   |  			
            | 7/27/2012 | -0.10 / -1.03% | 9.70 | 9.70 | 9.40 | 9.60 | 9.60 | 9.60 | 7,500 |   |  
            | 7/26/2012 | +0.20 / +2.11% | 9.50 | 9.70 | 9.30 | 9.70 | 9.70 | 9.70 | 18,400 |   |  			
            | 7/25/2012 | 0.00 / 0.00% | 9.50 | 9.50 | 9.50 | 9.50 | 9.50 | 9.50 | 12,500 |   |  
            | 7/24/2012 | -0.20 / -2.06% | 9.20 | 9.50 | 9.10 | 9.50 | 9.50 | 9.50 | 2,900 |   |  			
            | 7/23/2012 | -0.20 / -2.02% | 9.60 | 9.70 | 9.50 | 9.70 | 9.70 | 9.70 | 6,900 |   |  
            | 7/20/2012 | -0.40 / -3.88% | 10.20 | 10.40 | 9.90 | 9.90 | 9.90 | 9.90 | 35,100 |   |  			
            | 7/19/2012 | +0.60 / +6.19% | 10.00 | 10.30 | 9.50 | 10.30 | 10.30 | 10.30 | 69,200 |   |  
            | 7/18/2012 | -0.10 / -1.02% | 9.60 | 9.70 | 9.50 | 9.70 | 9.70 | 9.70 | 16,200 |   |  			
            | 7/17/2012 | +0.30 / +3.16% | 9.00 | 9.80 | 9.00 | 9.80 | 9.80 | 9.80 | 21,800 |   |  
            | 7/16/2012 | -0.30 / -3.06% | 10.10 | 10.10 | 9.30 | 9.50 | 9.50 | 9.50 | 20,400 |   |  |