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                    Closing price on 12/28/2011
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                    | Open | 8.50 |  
                    | High | 8.50 |  
                    | Low | 8.10 |  
                    | Volume | 19,900 |  
                    | Split-adjusted Price | 8.40 |  
                
             | 
 |  SD7 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/28/2011 | +0.20 / +2.44% | 8.50 | 8.50 | 8.10 | 8.40 | 8.40 | 8.40 | 19,900 |   |  
            | 12/27/2011 | -0.30 / -3.53% | 8.20 | 8.20 | 8.00 | 8.20 | 8.20 | 8.20 | 28,800 |   |  			
            | 12/26/2011 | -0.60 / -6.59% | 8.60 | 8.80 | 8.50 | 8.50 | 8.50 | 8.50 | 19,300 |   |  
            | 12/23/2011 | -0.40 / -4.21% | 9.20 | 9.20 | 9.00 | 9.10 | 9.10 | 9.10 | 26,500 |   |  			
            | 12/22/2011 | -0.70 / -6.86% | 9.90 | 9.90 | 9.50 | 9.50 | 9.50 | 9.50 | 15,600 |   |  
            | 12/21/2011 | +0.40 / +4.08% | 10.20 | 10.20 | 10.20 | 10.20 | 10.20 | 10.20 | 1,500 |   |  			
            | 12/20/2011 | -0.50 / -4.85% | 9.70 | 10.20 | 9.60 | 9.80 | 9.80 | 9.80 | 12,100 |   |  
            | 12/19/2011 | -0.20 / -1.90% | 10.70 | 10.70 | 10.00 | 10.30 | 10.30 | 10.30 | 5,100 |   |  			
            | 12/16/2011 | +0.40 / +3.96% | 10.10 | 10.70 | 10.10 | 10.50 | 10.50 | 10.50 | 9,100 |   |  
            | 12/15/2011 | -0.50 / -4.72% | 10.10 | 10.30 | 10.10 | 10.10 | 10.10 | 10.10 | 16,500 |   |  			
            | 12/14/2011 | -0.50 / -4.50% | 11.10 | 11.10 | 10.60 | 10.60 | 10.60 | 10.60 | 11,100 |   |  
            | 12/13/2011 | -0.10 / -0.89% | 11.30 | 11.30 | 11.00 | 11.10 | 11.10 | 11.10 | 4,500 |   |  			
            | 12/12/2011 | -0.20 / -1.75% | 11.40 | 11.40 | 11.20 | 11.20 | 11.20 | 11.20 | 9,100 |   |  
            | 12/9/2011 | -0.30 / -2.56% | 11.70 | 11.70 | 11.40 | 11.40 | 11.40 | 11.40 | 22,500 |   |  			
            | 12/8/2011 | -0.30 / -2.50% | 12.00 | 12.00 | 11.70 | 11.70 | 11.70 | 11.70 | 1,700 |   |  
            | 12/7/2011 | -0.10 / -0.83% | 12.00 | 12.00 | 12.00 | 12.00 | 12.00 | 12.00 | 1,300 |   |  			
            | 12/6/2011 | -0.20 / -1.63% | 12.90 | 13.00 | 12.00 | 12.10 | 12.10 | 12.10 | 17,300 |   |  
            | 12/5/2011 | +0.60 / +5.13% | 11.80 | 12.30 | 11.80 | 12.30 | 12.30 | 12.30 | 30,300 |   |  			
            | 12/2/2011 | +0.40 / +3.54% | 11.40 | 11.70 | 11.40 | 11.70 | 11.70 | 11.70 | 4,600 |   |  
            | 12/1/2011 | -0.20 / -1.74% | 11.30 | 11.50 | 11.30 | 11.30 | 11.30 | 11.30 | 5,300 |   |  			
            | 11/30/2011 | -0.40 / -3.36% | 11.50 | 11.50 | 11.40 | 11.50 | 11.50 | 11.50 | 4,000 |   |  
            | 11/29/2011 | 0.00 / 0.00% | 11.90 | 11.90 | 11.90 | 11.90 | 11.90 | 11.90 | 900 |   |  			
            | 11/28/2011 | +0.60 / +5.31% | 12.00 | 12.00 | 11.20 | 11.90 | 11.90 | 11.90 | 3,700 |   |  
            | 11/25/2011 | 0.00 / 0.00% | 11.30 | 11.30 | 11.30 | 11.30 | 11.30 | 11.30 | 4,800 |   |  			
            | 11/24/2011 | -0.20 / -1.74% | 11.40 | 11.50 | 11.30 | 11.30 | 11.30 | 11.30 | 4,000 |   |  
            | 11/23/2011 | +0.20 / +1.77% | 11.30 | 11.80 | 11.30 | 11.50 | 11.50 | 11.50 | 2,400 |   |  			
            | 11/22/2011 | -0.50 / -4.24% | 11.20 | 11.30 | 11.20 | 11.30 | 11.30 | 11.30 | 3,500 |   |  
            | 11/21/2011 | +0.10 / +0.85% | 11.40 | 11.80 | 11.40 | 11.80 | 11.80 | 11.80 | 3,100 |   |  			
            | 11/18/2011 | -0.30 / -2.50% | 11.50 | 11.70 | 11.40 | 11.70 | 11.70 | 11.70 | 14,300 |   |  
            | 11/17/2011 | -0.40 / -3.23% | 11.90 | 12.00 | 11.80 | 12.00 | 12.00 | 12.00 | 6,400 |   |  |