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                    Closing price on 1/16/2013
                 |  |  
    
        |           
                
                    | Open | 5.90 |  
                    | High | 6.00 |  
                    | Low | 5.50 |  
                    | Volume | 13,900 |  
                    | Split-adjusted Price | 6.00 |  
                
             | 
 |  SDU Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/16/2013 | +0.50 / +9.09% | 5.90 | 6.00 | 5.50 | 6.00 | 6.00 | 6.00 | 13,900 |   |  
            | 1/15/2013 | +0.50 / +10.00% | 5.00 | 5.50 | 4.60 | 5.50 | 5.50 | 5.50 | 22,600 |   |  			
            | 1/14/2013 | 0.00 / 0.00% | 5.00 | 5.00 | 4.90 | 5.00 | 5.00 | 5.00 | 6,200 |   |  
            | 1/11/2013 | +0.10 / +2.04% | 5.00 | 5.00 | 4.60 | 5.00 | 5.00 | 5.00 | 4,900 |   |  			
            | 1/10/2013 | +0.20 / +4.26% | 4.80 | 4.90 | 4.80 | 4.90 | 4.90 | 4.90 | 6,800 |   |  
            | 1/9/2013 | +0.10 / +2.17% | 4.60 | 4.80 | 4.60 | 4.70 | 4.70 | 4.70 | 20,300 |   |  			
            | 1/8/2013 | +0.10 / +2.22% | 4.60 | 4.60 | 4.50 | 4.60 | 4.60 | 4.60 | 5,200 |   |  
            | 1/7/2013 | -0.20 / -4.26% | 4.70 | 4.70 | 4.50 | 4.50 | 4.50 | 4.50 | 3,600 |   |  			
            | 1/4/2013 | 0.00 / 0.00% | 4.70 | 4.70 | 4.60 | 4.70 | 4.70 | 4.70 | 5,800 |   |  
            | 1/3/2013 | +0.10 / +2.17% | 4.80 | 4.90 | 4.60 | 4.70 | 4.70 | 4.70 | 6,300 |   |  			
            | 1/2/2013 | +0.30 / +6.98% | 4.00 | 4.60 | 4.00 | 4.60 | 4.60 | 4.60 | 8,000 |   |  
            | 12/28/2012 | +0.20 / +4.88% | 4.30 | 4.30 | 4.30 | 4.30 | 4.30 | 4.30 | 500 |   |  			
            | 12/27/2012 | -0.20 / -4.65% | 4.10 | 4.60 | 4.00 | 4.10 | 4.10 | 4.10 | 4,200 |   |  
            | 12/26/2012 | +0.20 / +4.88% | 4.30 | 4.30 | 4.30 | 4.30 | 4.30 | 4.30 | 900 |   |  			
            | 12/25/2012 | -0.20 / -4.65% | 4.50 | 4.50 | 4.10 | 4.10 | 4.10 | 4.10 | 400 |   |  
            | 12/24/2012 | -0.10 / -2.27% | 4.30 | 4.30 | 4.30 | 4.30 | 4.30 | 4.30 | 200 |   |  			
            | 12/21/2012 | +0.10 / +2.33% | 4.20 | 4.40 | 4.10 | 4.40 | 4.40 | 4.40 | 16,100 |   |  
            | 12/20/2012 | -0.20 / -4.44% | 4.70 | 4.70 | 4.30 | 4.30 | 4.30 | 4.30 | 8,000 |   |  			
            | 12/19/2012 | -0.10 / -2.17% | 4.60 | 4.60 | 4.50 | 4.50 | 4.50 | 4.50 | 500 |   |  
            | 12/18/2012 | +0.20 / +4.55% | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 100 |   |  			
            | 12/17/2012 | +0.20 / +4.76% | 4.40 | 4.40 | 4.40 | 4.40 | 4.40 | 4.40 | 200 |   |  
            | 12/14/2012 | -0.30 / -6.67% | 4.40 | 4.40 | 4.20 | 4.20 | 4.20 | 4.20 | 1,800 |   |  			
            | 12/13/2012 | 0.00 / 0.00% | 4.80 | 4.80 | 4.20 | 4.50 | 4.50 | 4.50 | 2,500 |   |  
            | 12/12/2012 | 0.00 / 0.00% | 4.50 | 4.70 | 4.50 | 4.50 | 4.50 | 4.50 | 3,900 |   |  			
            | 12/11/2012 | -0.20 / -4.26% | 4.50 | 4.50 | 4.50 | 4.50 | 4.50 | 4.50 | 100 |   |  
            | 12/10/2012 | 0.00 / 0.00% | 5.00 | 5.00 | 4.40 | 4.70 | 4.70 | 4.70 | 5,500 |   |  			
            | 12/7/2012 | -0.30 / -6.00% | 5.10 | 5.10 | 4.70 | 4.70 | 4.70 | 4.70 | 1,300 |   |  
            | 12/6/2012 | -0.20 / -3.85% | 5.30 | 5.30 | 5.00 | 5.00 | 5.00 | 5.00 | 1,500 |   |  			
            | 12/5/2012 | -0.30 / -5.45% | 5.60 | 5.60 | 5.20 | 5.20 | 5.20 | 5.20 | 500 |   |  
            | 12/4/2012 | 0.00 / 0.00% | 5.50 | 5.50 | 5.50 | 5.50 | 5.50 | 5.50 | 100 |   |  |