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                    Closing price on 7/9/2012
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                    | Open | 6.40 |  
                    | High | 6.40 |  
                    | Low | 6.40 |  
                    | Volume | 6,200 |  
                    | Split-adjusted Price | 6.40 |  
                
             | 
 |  SDU Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  
            | 6/14/2012 | +0.10 / +1.19% | 8.00 | 8.50 | 7.90 | 8.50 | 8.50 | 8.50 | 3,500 |   |  			
            | 6/13/2012 | -0.10 / -1.18% | 8.00 | 8.40 | 8.00 | 8.40 | 8.40 | 8.40 | 11,400 |   |  
            | 6/12/2012 | -0.60 / -6.59% | 8.50 | 9.30 | 8.50 | 8.50 | 8.50 | 8.50 | 33,700 |   |  			
            | 6/11/2012 | +0.10 / +1.11% | 9.00 | 9.30 | 8.70 | 9.10 | 9.10 | 9.10 | 6,400 |   |  
            | 6/8/2012 | +0.10 / +1.12% | 8.60 | 9.00 | 8.50 | 9.00 | 9.00 | 9.00 | 19,200 |   |  			
            | 6/7/2012 | +0.20 / +2.30% | 8.50 | 8.90 | 8.10 | 8.90 | 8.90 | 8.90 | 36,000 |   |  
            | 6/6/2012 | +0.10 / +1.16% | 8.50 | 8.70 | 8.00 | 8.70 | 8.70 | 8.70 | 3,700 |   |  			
            | 6/5/2012 | -0.10 / -1.15% | 8.10 | 8.60 | 8.10 | 8.60 | 8.60 | 8.60 | 700 |   |  
            | 6/4/2012 | 0.00 / 0.00% | 8.70 | 8.70 | 8.70 | 8.70 | 8.70 | 8.70 | 100 |   |  			
            | 6/1/2012 | +0.20 / +2.35% | 8.70 | 8.70 | 8.00 | 8.70 | 8.70 | 8.70 | 10,600 |   |  
            | 5/31/2012 | -0.20 / -2.30% | 8.20 | 8.50 | 8.10 | 8.50 | 8.50 | 8.50 | 7,200 |   |  			
            | 5/30/2012 | +0.20 / +2.35% | 8.70 | 8.70 | 8.60 | 8.70 | 8.70 | 8.70 | 1,800 |   |  
            | 5/29/2012 | -0.40 / -4.49% | 8.10 | 8.70 | 8.00 | 8.50 | 8.50 | 8.50 | 6,100 |   |  |