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                    Closing price on 8/19/2011
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        |           
                
                    | Open | 14.00 |  
                    | High | 14.00 |  
                    | Low | 13.70 |  
                    | Volume | 4,900 |  
                    | Split-adjusted Price | 14.00 |  
                
             | 
 |  SD7 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/19/2011 | 0.00 / 0.00% | 14.00 | 14.00 | 13.70 | 14.00 | 14.00 | 14.00 | 4,900 |   |  
            | 8/18/2011 | -0.20 / -1.41% | 14.50 | 14.50 | 14.00 | 14.00 | 14.00 | 14.00 | 7,300 |   |  			
            | 8/17/2011 | +0.80 / +5.97% | 13.50 | 14.20 | 13.50 | 14.20 | 14.20 | 14.20 | 42,900 |   |  
            | 8/16/2011 | +0.20 / +1.52% | 13.30 | 13.60 | 13.10 | 13.40 | 13.40 | 13.40 | 18,900 |   |  			
            | 8/15/2011 | -0.20 / -1.49% | 13.50 | 13.50 | 13.20 | 13.20 | 13.20 | 13.20 | 24,200 |   |  
            | 8/12/2011 | -0.30 / -2.19% | 13.30 | 13.40 | 13.30 | 13.40 | 13.40 | 13.40 | 9,200 |   |  			
            | 8/11/2011 | -0.30 / -2.14% | 13.30 | 13.70 | 13.20 | 13.70 | 13.70 | 13.70 | 16,500 |   |  
            | 8/10/2011 | +0.60 / +4.48% | 14.00 | 14.10 | 13.80 | 14.00 | 14.00 | 14.00 | 6,000 |   |  			
            | 8/9/2011 | -0.70 / -4.96% | 13.70 | 13.70 | 13.40 | 13.40 | 13.40 | 13.40 | 19,300 |   |  
            | 8/8/2011 | -0.50 / -3.42% | 14.90 | 14.90 | 14.10 | 14.10 | 14.10 | 14.10 | 2,700 |   |  			
            | 8/5/2011 | -0.20 / -1.35% | 14.70 | 15.00 | 14.60 | 14.60 | 14.60 | 14.60 | 4,300 |   |  
            | 8/4/2011 | +1.00 / +7.25% | 14.20 | 14.80 | 14.10 | 14.80 | 14.80 | 14.80 | 50,300 |   |  			
            | 8/3/2011 | -0.20 / -1.43% | 13.90 | 14.20 | 13.70 | 13.80 | 13.80 | 13.80 | 12,800 |   |  
            | 8/2/2011 | -0.50 / -3.45% | 14.40 | 14.40 | 13.90 | 14.00 | 14.00 | 14.00 | 23,300 |   |  			
            | 8/1/2011 | 0.00 / 0.00% | 14.50 | 14.50 | 14.50 | 14.50 | 14.50 | 14.50 | 21,800 |   |  
            | 7/29/2011 | -0.20 / -1.36% | 14.60 | 14.70 | 14.40 | 14.50 | 14.50 | 14.50 | 16,700 |   |  			
            | 7/28/2011 | +0.20 / +1.38% | 14.80 | 14.90 | 14.70 | 14.70 | 14.70 | 14.70 | 12,700 |   |  
            | 7/27/2011 | -0.50 / -3.33% | 15.30 | 15.40 | 14.30 | 14.50 | 14.50 | 14.50 | 16,100 |   |  			
            | 7/26/2011 | +0.40 / +2.74% | 14.90 | 15.00 | 14.50 | 15.00 | 15.00 | 15.00 | 9,400 |   |  
            | 7/25/2011 | -0.10 / -0.68% | 15.50 | 15.50 | 14.60 | 14.60 | 14.60 | 14.60 | 17,200 |   |  			
            | 7/22/2011 | -0.10 / -0.68% | 14.90 | 14.90 | 14.60 | 14.70 | 14.70 | 14.70 | 5,600 |   |  
            | 7/21/2011 | -0.50 / -3.27% | 14.80 | 14.80 | 14.60 | 14.80 | 14.80 | 14.80 | 7,600 |   |  			
            | 7/20/2011 | +0.80 / +5.52% | 15.80 | 15.80 | 14.60 | 15.30 | 15.30 | 15.30 | 4,900 |   |  
            | 7/19/2011 | -0.50 / -3.33% | 15.30 | 15.30 | 14.50 | 14.50 | 14.50 | 14.50 | 8,500 |   |  			
            | 7/18/2011 | +0.20 / +1.35% | 15.40 | 15.40 | 15.00 | 15.00 | 15.00 | 15.00 | 15,000 |   |  
            | 7/15/2011 | 0.00 / 0.00% | 16.10 | 16.10 | 14.80 | 14.80 | 14.80 | 14.80 | 2,300 |   |  			
            | 7/14/2011 | -0.20 / -1.33% | 16.10 | 16.10 | 14.80 | 14.80 | 14.80 | 14.80 | 4,600 |   |  
            | 7/13/2011 | +0.10 / +0.67% | 15.30 | 15.30 | 14.80 | 15.00 | 15.00 | 15.00 | 8,900 |   |  			
            | 7/12/2011 | 0.00 / 0.00% | 14.60 | 14.90 | 14.40 | 14.90 | 14.90 | 14.90 | 32,500 |   |  
            | 7/11/2011 | -0.20 / -1.32% | 14.90 | 14.90 | 14.60 | 14.90 | 14.90 | 14.90 | 23,100 |   |  |