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                    Closing price on 3/28/2013
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                    | Open | 2.90 |  
                    | High | 2.90 |  
                    | Low | 2.90 |  
                    | Volume | 0 |  
                    | Split-adjusted Price | 2.90 |  
                
             | 
 |  SD1 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/28/2013 | 0.00 / 0.00% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 0 |   |  
            | 3/27/2013 | 0.00 / 0.00% | 2.70 | 2.90 | 2.70 | 2.90 | 2.90 | 2.90 | 2,100 |   |  			
            | 3/26/2013 | +0.20 / +7.41% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 100 |   |  
            | 3/25/2013 | -0.20 / -6.90% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 1,000 |   |  			
            | 3/22/2013 | 0.00 / 0.00% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 0 |   |  
            | 3/21/2013 | +0.10 / +3.57% | 2.80 | 2.90 | 2.80 | 2.90 | 2.90 | 2.90 | 1,000 |   |  			
            | 3/20/2013 | 0.00 / 0.00% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 0 |   |  
            | 3/19/2013 | +0.10 / +3.70% | 2.90 | 2.90 | 2.80 | 2.80 | 2.80 | 2.80 | 200 |   |  			
            | 3/18/2013 | -0.10 / -3.57% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 1,500 |   |  
            | 3/15/2013 | 0.00 / 0.00% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 400 |   |  			
            | 3/14/2013 | +0.10 / +3.70% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 200 |   |  
            | 3/13/2013 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 0 |   |  			
            | 3/12/2013 | 0.00 / 0.00% | 2.70 | 2.70 | 2.60 | 2.70 | 2.70 | 2.70 | 15,400 |   |  
            | 3/11/2013 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2,000 |   |  			
            | 3/8/2013 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 1,200 |   |  
            | 3/7/2013 | -0.10 / -3.57% | 2.80 | 2.80 | 2.70 | 2.70 | 2.70 | 2.70 | 10,100 |   |  			
            | 3/6/2013 | +0.20 / +7.69% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 100 |   |  
            | 3/5/2013 | 0.00 / 0.00% | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 300 |   |  			
            | 3/4/2013 | 0.00 / 0.00% | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 10,900 |   |  
            | 3/1/2013 | -0.20 / -7.14% | 2.70 | 2.70 | 2.60 | 2.60 | 2.65 | 2.60 | 29,000 |   |  			
            | 2/28/2013 | -0.20 / -6.67% | 2.80 | 2.90 | 2.80 | 2.80 | 2.80 | 2.80 | 6,800 |   |  
            | 2/27/2013 | +0.20 / +7.14% | 2.80 | 3.00 | 2.80 | 3.00 | 3.00 | 3.00 | 1,100 |   |  			
            | 2/26/2013 | -0.20 / -6.67% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 3,400 |   |  
            | 2/25/2013 | +0.10 / +3.45% | 2.90 | 3.00 | 2.90 | 3.00 | 3.00 | 3.00 | 6,100 |   |  			
            | 2/22/2013 | 0.00 / 0.00% | 2.70 | 3.00 | 2.70 | 2.90 | 2.90 | 2.90 | 7,500 |   |  
            | 2/21/2013 | -0.30 / -9.38% | 3.10 | 3.20 | 2.90 | 2.90 | 2.90 | 2.90 | 50,300 |   |  			
            | 2/20/2013 | +0.20 / +6.67% | 3.10 | 3.20 | 3.00 | 3.20 | 3.20 | 3.20 | 8,600 |   |  
            | 2/19/2013 | -0.10 / -3.23% | 3.10 | 3.20 | 3.00 | 3.00 | 3.00 | 3.00 | 25,200 |   |  			
            | 2/18/2013 | +0.10 / +3.33% | 3.20 | 3.20 | 3.10 | 3.10 | 3.10 | 3.10 | 7,800 |   |  
            | 2/8/2013 | -0.10 / -3.23% | 3.10 | 3.20 | 3.00 | 3.00 | 3.10 | 3.00 | 14,600 |   |  |