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                    Closing price on 3/15/2012
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                    | Open | 9.50 |  
                    | High | 10.40 |  
                    | Low | 9.50 |  
                    | Volume | 53,000 |  
                    | Split-adjusted Price | 10.40 |  
                
             | 
 |  SD7 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 2/24/2012 | 0.00 / 0.00% | 10.20 | 10.50 | 10.00 | 10.00 | 10.00 | 10.00 | 101,200 |   |  
            | 2/23/2012 | +0.20 / +2.04% | 10.10 | 10.20 | 9.60 | 10.00 | 10.00 | 10.00 | 84,700 |   |  			
            | 2/22/2012 | +0.40 / +4.26% | 9.50 | 9.90 | 9.30 | 9.80 | 9.80 | 9.80 | 105,200 |   |  
            | 2/21/2012 | -1.60 / -14.55% | 9.80 | 9.80 | 9.20 | 9.40 | 9.40 | 9.40 | 105,400 |   |  			
            | 2/20/2012 | +0.70 / +6.80% | 10.50 | 11.00 | 10.30 | 11.00 | 11.00 | 11.00 | 137,300 |   |  
            | 2/17/2012 | +0.20 / +1.98% | 10.00 | 10.50 | 10.00 | 10.30 | 10.30 | 10.30 | 110,700 |   |  			
            | 2/16/2012 | +0.30 / +3.06% | 9.50 | 10.10 | 9.50 | 10.10 | 10.10 | 10.10 | 80,300 |   |  
            | 2/15/2012 | -0.30 / -2.97% | 9.80 | 10.30 | 9.40 | 9.80 | 9.80 | 9.80 | 157,200 |   |  			
            | 2/14/2012 | +0.60 / +6.32% | 10.10 | 10.10 | 9.70 | 10.10 | 10.10 | 10.10 | 284,300 |   |  
            | 2/13/2012 | +0.70 / +7.95% | 9.50 | 9.50 | 9.50 | 9.50 | 9.50 | 9.50 | 4,500 |   |  			
            | 2/10/2012 | -0.30 / -3.30% | 9.10 | 9.20 | 8.70 | 8.80 | 8.80 | 8.80 | 17,400 |   |  
            | 2/9/2012 | -0.20 / -2.15% | 9.10 | 9.30 | 9.00 | 9.10 | 9.10 | 9.10 | 77,600 |   |  			
            | 2/8/2012 | +0.40 / +4.49% | 8.60 | 9.40 | 8.60 | 9.30 | 9.30 | 9.30 | 20,700 |   |  
            | 2/7/2012 | -0.50 / -5.32% | 9.40 | 9.40 | 8.90 | 8.90 | 8.90 | 8.90 | 19,600 |   |  			
            | 2/6/2012 | -0.60 / -6.00% | 9.50 | 9.50 | 9.40 | 9.40 | 9.40 | 9.40 | 38,400 |   |  
            | 2/3/2012 | 0.00 / 0.00% | 10.60 | 10.60 | 9.90 | 10.00 | 10.00 | 10.00 | 25,000 |   |  |