| 
    
        
            | 
                    Closing price on 7/26/2012
                 |  |  
    
        |           
                
                    | Open | 6.30 |  
                    | High | 6.30 |  
                    | Low | 6.30 |  
                    | Volume | 11,600 |  
                    | Split-adjusted Price | 6.30 |  
                
             | 
 |  SDU Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/26/2012 | -0.40 / -5.97% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 11,600 |   |  
            | 7/25/2012 | +0.10 / +1.52% | 7.00 | 7.00 | 6.20 | 6.70 | 6.70 | 6.70 | 4,000 |   |  			
            | 7/24/2012 | -0.20 / -2.94% | 6.40 | 6.60 | 6.40 | 6.60 | 6.60 | 6.60 | 10,400 |   |  
            | 7/23/2012 | +0.10 / +1.49% | 6.90 | 6.90 | 6.50 | 6.80 | 6.80 | 6.80 | 1,100 |   |  			
            | 7/20/2012 | -0.10 / -1.47% | 7.20 | 7.20 | 6.70 | 6.70 | 6.70 | 6.70 | 300 |   |  
            | 7/19/2012 | 0.00 / 0.00% | 6.50 | 6.90 | 6.50 | 6.80 | 6.80 | 6.80 | 7,200 |   |  			
            | 7/18/2012 | -0.20 / -2.86% | 7.00 | 7.00 | 6.60 | 6.80 | 6.80 | 6.80 | 800 |   |  
            | 7/17/2012 | +0.40 / +6.06% | 6.80 | 7.00 | 6.40 | 7.00 | 7.00 | 7.00 | 4,400 |   |  			
            | 7/16/2012 | -0.30 / -4.35% | 6.60 | 6.60 | 6.60 | 6.60 | 6.60 | 6.60 | 200 |   |  
            | 7/13/2012 | +0.10 / +1.47% | 6.90 | 6.90 | 6.70 | 6.90 | 6.90 | 6.90 | 16,700 |   |  			
            | 7/12/2012 | +0.10 / +1.49% | 7.00 | 7.00 | 6.40 | 6.80 | 6.80 | 6.80 | 2,200 |   |  
            | 7/11/2012 | +0.30 / +4.69% | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 100 |   |  			
            | 7/10/2012 | 0.00 / 0.00% | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 0 |   |  
            | 7/9/2012 | -0.40 / -5.88% | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 6,200 |   |  			
            | 7/6/2012 | 0.00 / 0.00% | 6.40 | 6.80 | 6.40 | 6.80 | 6.80 | 6.80 | 20,500 |   |  
            | 7/5/2012 | -0.50 / -6.85% | 6.80 | 6.80 | 6.80 | 6.80 | 6.80 | 6.80 | 3,300 |   |  			
            | 7/4/2012 | -0.50 / -6.41% | 7.30 | 7.30 | 7.30 | 7.30 | 7.30 | 7.30 | 300 |   |  
            | 7/3/2012 | -0.30 / -3.70% | 7.60 | 7.80 | 7.60 | 7.80 | 7.80 | 7.80 | 300 |   |  			
            | 7/2/2012 | 0.00 / 0.00% | 8.10 | 8.10 | 8.10 | 8.10 | 8.10 | 8.10 | 0 |   |  
            | 6/29/2012 | 0.00 / 0.00% | 8.10 | 8.10 | 8.10 | 8.10 | 8.10 | 8.10 | 0 |   |  			
            | 6/28/2012 | 0.00 / 0.00% | 8.10 | 8.10 | 8.10 | 8.10 | 8.10 | 8.10 | 0 |   |  
            | 6/27/2012 | -0.10 / -1.22% | 8.10 | 8.10 | 8.10 | 8.10 | 8.10 | 8.10 | 0 |   |  			
            | 6/26/2012 | 0.00 / 0.00% | 8.50 | 8.50 | 7.90 | 8.20 | 8.20 | 8.20 | 1,000 |   |  
            | 6/25/2012 | -0.20 / -2.38% | 8.20 | 8.20 | 8.20 | 8.20 | 8.20 | 8.20 | 500 |   |  			
            | 6/22/2012 | -0.60 / -6.67% | 8.40 | 8.40 | 8.40 | 8.40 | 8.40 | 8.40 | 1,800 |   |  
            | 6/21/2012 | 0.00 / 0.00% | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 0 |   |  			
            | 6/20/2012 | 0.00 / 0.00% | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 0 |   |  
            | 6/19/2012 | 0.00 / 0.00% | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 0 |   |  			
            | 6/18/2012 | +0.20 / +2.27% | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 100 |   |  
            | 6/15/2012 | +0.30 / +3.53% | 8.50 | 8.80 | 8.50 | 8.80 | 8.80 | 8.80 | 2,200 |   |  |