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            | 
                    Closing price on 4/12/2013
                 |  |  
    
        |           
                
                    | Open | 4.60 |  
                    | High | 4.60 |  
                    | Low | 4.60 |  
                    | Volume | 0 |  
                    | Split-adjusted Price | 4.60 |  
                
             | 
 |  SDU Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/12/2013 | 0.00 / 0.00% | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 0 |   |  
            | 4/11/2013 | 0.00 / 0.00% | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 0 |   |  			
            | 4/10/2013 | 0.00 / 0.00% | 4.50 | 4.60 | 4.40 | 4.60 | 4.60 | 4.60 | 11,600 |   |  
            | 4/9/2013 | +0.50 / +12.20% | 4.50 | 4.60 | 4.50 | 4.60 | 4.60 | 4.60 | 4,100 |   |  			
            | 4/8/2013 | -0.50 / -10.87% | 4.50 | 4.50 | 4.10 | 4.10 | 4.10 | 4.10 | 3,700 |   |  
            | 4/5/2013 | -0.10 / -2.13% | 4.60 | 4.70 | 4.30 | 4.60 | 4.60 | 4.60 | 4,700 |   |  			
            | 4/4/2013 | -0.10 / -2.08% | 4.50 | 4.70 | 4.50 | 4.70 | 4.70 | 4.70 | 3,200 |   |  
            | 4/3/2013 | +0.10 / +2.13% | 4.70 | 4.80 | 4.50 | 4.80 | 4.80 | 4.80 | 2,700 |   |  			
            | 4/2/2013 | +0.10 / +2.17% | 4.70 | 4.70 | 4.70 | 4.70 | 4.70 | 4.70 | 300 |   |  
            | 4/1/2013 | +0.10 / +2.22% | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 200 |   |  			
            | 3/29/2013 | 0.00 / 0.00% | 4.40 | 4.60 | 4.40 | 4.50 | 4.50 | 4.50 | 8,400 |   |  
            | 3/28/2013 | -0.10 / -2.17% | 4.50 | 4.50 | 4.50 | 4.50 | 4.50 | 4.50 | 3,200 |   |  			
            | 3/27/2013 | -0.10 / -2.13% | 4.50 | 4.60 | 4.30 | 4.60 | 4.60 | 4.60 | 5,900 |   |  
            | 3/26/2013 | 0.00 / 0.00% | 4.50 | 4.70 | 4.50 | 4.70 | 4.70 | 4.70 | 1,000 |   |  			
            | 3/25/2013 | 0.00 / 0.00% | 4.70 | 4.70 | 4.70 | 4.70 | 4.70 | 4.70 | 0 |   |  
            | 3/22/2013 | -0.10 / -2.08% | 4.50 | 4.70 | 4.50 | 4.70 | 4.70 | 4.70 | 5,000 |   |  			
            | 3/21/2013 | 0.00 / 0.00% | 4.80 | 4.80 | 4.80 | 4.80 | 4.80 | 4.80 | 1,700 |   |  
            | 3/20/2013 | +0.10 / +2.13% | 4.70 | 4.80 | 4.70 | 4.80 | 4.80 | 4.80 | 500 |   |  			
            | 3/19/2013 | 0.00 / 0.00% | 4.70 | 4.70 | 4.60 | 4.70 | 4.70 | 4.70 | 15,700 |   |  
            | 3/18/2013 | -0.10 / -2.08% | 4.70 | 4.70 | 4.60 | 4.70 | 4.70 | 4.70 | 8,300 |   |  			
            | 3/15/2013 | 0.00 / 0.00% | 4.60 | 4.80 | 4.50 | 4.80 | 4.80 | 4.80 | 6,400 |   |  
            | 3/14/2013 | +0.10 / +2.13% | 4.80 | 4.80 | 4.80 | 4.80 | 4.80 | 4.80 | 1,100 |   |  			
            | 3/13/2013 | 0.00 / 0.00% | 4.80 | 4.80 | 4.50 | 4.70 | 4.70 | 4.70 | 4,200 |   |  
            | 3/12/2013 | -0.20 / -4.08% | 4.60 | 4.70 | 4.50 | 4.70 | 4.70 | 4.70 | 2,500 |   |  			
            | 3/11/2013 | +0.10 / +2.08% | 4.80 | 4.90 | 4.40 | 4.90 | 4.90 | 4.90 | 8,500 |   |  
            | 3/8/2013 | 0.00 / 0.00% | 4.50 | 4.80 | 4.50 | 4.80 | 4.80 | 4.80 | 1,300 |   |  			
            | 3/7/2013 | 0.00 / 0.00% | 4.80 | 4.80 | 4.80 | 4.80 | 4.80 | 4.80 | 0 |   |  
            | 3/6/2013 | +0.10 / +2.13% | 4.70 | 4.80 | 4.70 | 4.80 | 4.80 | 4.80 | 1,100 |   |  			
            | 3/5/2013 | -0.20 / -4.08% | 4.50 | 4.70 | 4.50 | 4.70 | 4.70 | 4.70 | 5,700 |   |  
            | 3/4/2013 | 0.00 / 0.00% | 4.70 | 4.90 | 4.70 | 4.90 | 4.90 | 4.90 | 3,900 |   |  |