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                    Closing price on 7/27/2012
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        |           
                
                    | Open | 9.70 |  
                    | High | 9.70 |  
                    | Low | 9.40 |  
                    | Volume | 7,500 |  
                    | Split-adjusted Price | 9.60 |  
                
             | 
 |  SD7 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/27/2012 | -0.10 / -1.03% | 9.70 | 9.70 | 9.40 | 9.60 | 9.60 | 9.60 | 7,500 |   |  
            | 7/26/2012 | +0.20 / +2.11% | 9.50 | 9.70 | 9.30 | 9.70 | 9.70 | 9.70 | 18,400 |   |  			
            | 7/25/2012 | 0.00 / 0.00% | 9.50 | 9.50 | 9.50 | 9.50 | 9.50 | 9.50 | 12,500 |   |  
            | 7/24/2012 | -0.20 / -2.06% | 9.20 | 9.50 | 9.10 | 9.50 | 9.50 | 9.50 | 2,900 |   |  			
            | 7/23/2012 | -0.20 / -2.02% | 9.60 | 9.70 | 9.50 | 9.70 | 9.70 | 9.70 | 6,900 |   |  
            | 7/20/2012 | -0.40 / -3.88% | 10.20 | 10.40 | 9.90 | 9.90 | 9.90 | 9.90 | 35,100 |   |  			
            | 7/19/2012 | +0.60 / +6.19% | 10.00 | 10.30 | 9.50 | 10.30 | 10.30 | 10.30 | 69,200 |   |  
            | 7/18/2012 | -0.10 / -1.02% | 9.60 | 9.70 | 9.50 | 9.70 | 9.70 | 9.70 | 16,200 |   |  			
            | 7/17/2012 | +0.30 / +3.16% | 9.00 | 9.80 | 9.00 | 9.80 | 9.80 | 9.80 | 21,800 |   |  
            | 7/16/2012 | -0.30 / -3.06% | 10.10 | 10.10 | 9.30 | 9.50 | 9.50 | 9.50 | 20,400 |   |  			
            | 7/13/2012 | +0.60 / +6.52% | 9.50 | 9.90 | 9.50 | 9.80 | 9.80 | 9.80 | 25,600 |   |  
            | 7/12/2012 | +0.10 / +1.10% | 9.10 | 9.30 | 9.10 | 9.20 | 9.20 | 9.20 | 6,000 |   |  			
            | 7/11/2012 | +0.10 / +1.11% | 9.20 | 9.20 | 8.60 | 9.10 | 9.10 | 9.10 | 7,900 |   |  
            | 7/10/2012 | +0.10 / +1.12% | 8.40 | 9.00 | 8.40 | 9.00 | 9.00 | 9.00 | 12,800 |   |  			
            | 7/9/2012 | -0.50 / -5.32% | 9.00 | 9.20 | 8.80 | 8.90 | 8.90 | 8.90 | 48,800 |   |  
            | 7/6/2012 | -0.20 / -2.08% | 9.50 | 9.80 | 9.40 | 9.40 | 9.40 | 9.40 | 20,100 |   |  			
            | 7/5/2012 | +0.60 / +6.67% | 9.00 | 9.60 | 9.00 | 9.60 | 9.60 | 9.60 | 17,000 |   |  
            | 7/4/2012 | -0.40 / -4.26% | 9.40 | 9.40 | 9.00 | 9.00 | 9.00 | 9.00 | 32,400 |   |  			
            | 7/3/2012 | -0.10 / -1.05% | 9.50 | 9.50 | 9.10 | 9.40 | 9.40 | 9.40 | 23,800 |   |  
            | 7/2/2012 | -0.20 / -2.06% | 9.70 | 10.00 | 9.50 | 9.50 | 9.50 | 9.50 | 35,000 |   |  			
            | 6/29/2012 | -0.40 / -3.96% | 10.00 | 10.00 | 9.70 | 9.70 | 9.70 | 9.70 | 189,000 |   |  
            | 6/28/2012 | +0.10 / +1.00% | 10.00 | 10.20 | 9.50 | 10.10 | 10.10 | 10.10 | 17,100 |   |  			
            | 6/27/2012 | -0.70 / -6.54% | 10.70 | 10.70 | 10.00 | 10.00 | 10.00 | 10.00 | 153,500 |   |  
            | 6/26/2012 | -0.40 / -3.60% | 11.00 | 11.00 | 10.60 | 10.70 | 10.70 | 10.70 | 50,400 |   |  			
            | 6/25/2012 | -0.60 / -5.13% | 11.30 | 11.70 | 10.90 | 11.10 | 11.10 | 11.10 | 36,200 |   |  
            | 6/22/2012 | -0.70 / -5.65% | 12.10 | 12.10 | 11.60 | 11.70 | 11.70 | 11.70 | 75,500 |   |  			
            | 6/21/2012 | -0.10 / -0.80% | 12.40 | 12.60 | 12.30 | 12.40 | 12.40 | 12.40 | 39,900 |   |  
            | 6/20/2012 | +0.30 / +2.46% | 12.10 | 12.60 | 11.90 | 12.50 | 12.50 | 12.50 | 116,100 |   |  			
            | 6/19/2012 | +0.50 / +4.27% | 12.00 | 12.40 | 11.70 | 12.20 | 12.20 | 12.20 | 105,000 |   |  
            | 6/18/2012 | +0.70 / +6.36% | 11.30 | 11.70 | 11.30 | 11.70 | 11.70 | 11.70 | 225,000 |   |  |