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                    Closing price on 6/22/2012
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        |           
                
                    | Open | 12.10 |  
                    | High | 12.10 |  
                    | Low | 11.60 |  
                    | Volume | 75,500 |  
                    | Split-adjusted Price | 11.70 |  
                
             | 
 |  SD7 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  
            | 6/15/2012 | 0.00 / 0.00% | 11.20 | 11.20 | 11.00 | 11.00 | 11.00 | 11.00 | 9,800 |   |  			
            | 6/14/2012 | 0.00 / 0.00% | 10.70 | 11.20 | 10.70 | 11.00 | 11.00 | 11.00 | 7,200 |   |  
            | 6/13/2012 | 0.00 / 0.00% | 10.80 | 11.00 | 10.80 | 11.00 | 11.00 | 11.00 | 13,600 |   |  			
            | 6/12/2012 | -0.40 / -3.51% | 11.00 | 11.50 | 10.80 | 11.00 | 11.00 | 11.00 | 29,700 |   |  
            | 6/11/2012 | +0.10 / +0.88% | 10.60 | 11.50 | 10.60 | 11.40 | 11.40 | 11.40 | 10,700 |   |  			
            | 6/8/2012 | +0.40 / +3.67% | 11.00 | 11.60 | 10.90 | 11.30 | 11.30 | 11.30 | 99,500 |   |  
            | 6/7/2012 | +0.70 / +6.86% | 10.80 | 10.90 | 10.30 | 10.90 | 10.90 | 10.90 | 48,200 |   |  			
            | 6/6/2012 | 0.00 / 0.00% | 10.80 | 10.80 | 10.20 | 10.20 | 10.20 | 10.20 | 25,600 |   |  
            | 6/5/2012 | +0.20 / +2.00% | 9.80 | 10.50 | 9.80 | 10.20 | 10.20 | 10.20 | 85,400 |   |  			
            | 6/4/2012 | -0.40 / -3.85% | 10.30 | 10.30 | 9.90 | 10.00 | 10.00 | 10.00 | 43,300 |   |  
            | 6/1/2012 | +0.10 / +0.97% | 10.70 | 10.70 | 10.20 | 10.40 | 10.40 | 10.40 | 5,100 |   |  			
            | 5/31/2012 | -0.70 / -6.36% | 10.60 | 10.60 | 10.20 | 10.30 | 10.30 | 10.30 | 33,700 |   |  
            | 5/30/2012 | +0.10 / +0.92% | 10.80 | 11.20 | 10.70 | 11.00 | 11.00 | 11.00 | 16,600 |   |  			
            | 5/29/2012 | -0.30 / -2.68% | 10.60 | 11.00 | 10.60 | 10.90 | 10.90 | 10.90 | 47,300 |   |  
            | 5/28/2012 | +0.50 / +4.67% | 11.20 | 11.20 | 10.70 | 11.20 | 11.20 | 11.20 | 43,200 |   |  			
            | 5/25/2012 | +0.70 / +7.00% | 10.60 | 10.70 | 10.60 | 10.70 | 10.70 | 10.70 | 38,000 |   |  
            | 5/24/2012 | -0.30 / -2.91% | 10.30 | 10.30 | 9.60 | 10.00 | 10.00 | 10.00 | 55,300 |   |  			
            | 5/23/2012 | -0.70 / -6.36% | 10.90 | 10.90 | 10.30 | 10.30 | 10.30 | 10.30 | 82,800 |   |  
            | 5/22/2012 | -0.30 / -2.65% | 11.40 | 11.70 | 11.00 | 11.00 | 11.00 | 11.00 | 23,100 |   |  			
            | 5/21/2012 | +0.60 / +5.61% | 10.80 | 11.30 | 10.80 | 11.30 | 11.30 | 11.30 | 35,800 |   |  
            | 5/18/2012 | -0.60 / -5.31% | 11.00 | 11.00 | 10.60 | 10.70 | 10.70 | 10.70 | 104,000 |   |  			
            | 5/17/2012 | -0.30 / -2.59% | 11.10 | 11.80 | 11.10 | 11.30 | 11.30 | 11.30 | 24,700 |   |  
            | 5/16/2012 | +0.20 / +1.75% | 11.40 | 11.80 | 11.30 | 11.60 | 11.60 | 11.60 | 56,200 |   |  			
            | 5/15/2012 | -0.50 / -4.20% | 11.80 | 12.10 | 11.40 | 11.40 | 11.40 | 11.40 | 51,200 |   |  
            | 5/14/2012 | -0.80 / -6.30% | 12.50 | 12.80 | 11.90 | 11.90 | 11.90 | 11.90 | 125,700 |   |  |