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                    Closing price on 4/9/2012
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        |           
                
                    | Open | 10.60 |  
                    | High | 11.00 |  
                    | Low | 10.60 |  
                    | Volume | 56,300 |  
                    | Split-adjusted Price | 10.90 |  
                
             | 
 |  SD7 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/9/2012 | +0.50 / +4.81% | 10.60 | 11.00 | 10.60 | 10.90 | 10.90 | 10.90 | 56,300 |   |  
            | 4/6/2012 | 0.00 / 0.00% | 10.50 | 10.60 | 10.30 | 10.40 | 10.40 | 10.40 | 54,900 |   |  			
            | 4/5/2012 | +0.20 / +1.96% | 10.10 | 10.60 | 10.00 | 10.40 | 10.40 | 10.40 | 30,000 |   |  
            | 4/4/2012 | -0.40 / -3.77% | 10.60 | 10.60 | 10.10 | 10.20 | 10.20 | 10.20 | 26,400 |   |  			
            | 4/3/2012 | 0.00 / 0.00% | 10.10 | 10.70 | 9.90 | 10.60 | 10.60 | 10.60 | 68,900 |   |  
            | 3/30/2012 | -0.10 / -0.93% | 10.50 | 10.60 | 10.00 | 10.60 | 10.60 | 10.60 | 132,400 |   |  			
            | 3/29/2012 | -0.80 / -6.96% | 11.50 | 11.50 | 10.70 | 10.70 | 10.70 | 10.70 | 61,000 |   |  
            | 3/28/2012 | +0.10 / +0.88% | 11.10 | 11.60 | 10.80 | 11.50 | 11.50 | 11.50 | 108,349 |   |  			
            | 3/27/2012 | -0.70 / -5.79% | 12.30 | 12.60 | 11.40 | 11.40 | 11.40 | 11.40 | 134,800 |   |  
            | 3/26/2012 | +0.60 / +5.22% | 11.80 | 12.10 | 11.50 | 12.10 | 12.10 | 12.10 | 132,600 |   |  			
            | 3/23/2012 | +0.50 / +4.55% | 11.00 | 11.70 | 11.00 | 11.50 | 11.50 | 11.50 | 178,100 |   |  
            | 3/22/2012 | 0.00 / 0.00% | 11.20 | 11.30 | 10.60 | 11.00 | 11.00 | 11.00 | 89,200 |   |  			
            | 3/21/2012 | +0.40 / +3.77% | 10.80 | 11.10 | 10.50 | 11.00 | 11.00 | 11.00 | 119,800 |   |  
            | 3/20/2012 | +0.30 / +2.91% | 10.30 | 10.60 | 10.30 | 10.60 | 10.60 | 10.60 | 37,100 |   |  			
            | 3/19/2012 | -0.40 / -3.74% | 10.30 | 10.70 | 10.20 | 10.30 | 10.30 | 10.30 | 73,500 |   |  
            | 3/16/2012 | +0.30 / +2.88% | 10.80 | 10.90 | 10.60 | 10.70 | 10.70 | 10.70 | 150,700 |   |  			
            | 3/15/2012 | +0.70 / +7.22% | 9.50 | 10.40 | 9.50 | 10.40 | 10.40 | 10.40 | 53,000 |   |  
            | 3/14/2012 | -0.40 / -3.96% | 10.40 | 10.40 | 9.60 | 9.70 | 9.70 | 9.70 | 60,200 |   |  			
            | 3/13/2012 | 0.00 / 0.00% | 10.30 | 10.40 | 9.90 | 10.10 | 10.10 | 10.10 | 66,200 |   |  
            | 3/12/2012 | -0.50 / -4.72% | 10.50 | 10.50 | 9.90 | 10.10 | 10.10 | 10.10 | 104,100 |   |  			
            | 3/9/2012 | +0.30 / +2.91% | 11.00 | 11.00 | 10.30 | 10.60 | 10.60 | 10.60 | 25,700 |   |  
            | 3/8/2012 | -0.60 / -5.50% | 10.50 | 11.10 | 10.20 | 10.30 | 10.30 | 10.30 | 120,200 |   |  			
            | 3/7/2012 | -0.10 / -0.91% | 10.90 | 11.20 | 10.70 | 10.90 | 10.90 | 10.90 | 100,400 |   |  
            | 3/6/2012 | +0.10 / +0.92% | 11.60 | 11.60 | 10.90 | 11.00 | 11.00 | 11.00 | 265,800 |   |  			
            | 3/5/2012 | +0.50 / +4.81% | 10.50 | 10.90 | 10.50 | 10.90 | 10.90 | 10.90 | 36,300 |   |  
            | 3/2/2012 | +0.30 / +2.97% | 9.90 | 10.40 | 9.80 | 10.40 | 10.40 | 10.40 | 76,500 |   |  			
            | 3/1/2012 | +0.30 / +3.06% | 9.70 | 10.20 | 9.50 | 10.10 | 10.10 | 10.10 | 156,400 |   |  
            | 2/29/2012 | +0.10 / +1.03% | 9.60 | 9.90 | 9.50 | 9.80 | 9.80 | 9.80 | 134,600 |   |  			
            | 2/28/2012 | -0.90 / -8.49% | 10.50 | 10.50 | 9.70 | 9.70 | 9.70 | 9.70 | 104,700 |   |  
            | 2/27/2012 | +0.60 / +6.00% | 10.00 | 10.60 | 10.00 | 10.60 | 10.60 | 10.60 | 132,800 |   |  |