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                    Closing price on 2/7/2013
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                    | Open | 3.00 |  
                    | High | 3.10 |  
                    | Low | 3.00 |  
                    | Volume | 600 |  
                    | Split-adjusted Price | 3.10 |  
                
             | 
 |  SD1 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/7/2013 | 0.00 / 0.00% | 3.00 | 3.10 | 3.00 | 3.10 | 3.10 | 3.10 | 600 |   |  
            | 2/6/2013 | +0.10 / +3.33% | 3.10 | 3.10 | 3.00 | 3.10 | 3.10 | 3.10 | 10,100 |   |  			
            | 2/5/2013 | 0.00 / 0.00% | 2.90 | 3.10 | 2.80 | 3.00 | 3.00 | 3.00 | 8,000 |   |  
            | 2/4/2013 | 0.00 / 0.00% | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 1,000 |   |  			
            | 2/1/2013 | -0.10 / -3.23% | 2.80 | 3.10 | 2.80 | 3.00 | 3.10 | 3.00 | 11,400 |   |  
            | 1/31/2013 | 0.00 / 0.00% | 3.00 | 3.10 | 3.00 | 3.10 | 3.10 | 3.10 | 14,400 |   |  			
            | 1/30/2013 | 0.00 / 0.00% | 3.00 | 3.10 | 3.00 | 3.10 | 3.10 | 3.10 | 11,700 |   |  
            | 1/29/2013 | 0.00 / 0.00% | 3.00 | 3.10 | 3.00 | 3.10 | 3.10 | 3.10 | 5,000 |   |  			
            | 1/28/2013 | 0.00 / 0.00% | 3.00 | 3.10 | 3.00 | 3.10 | 3.10 | 3.10 | 50,200 |   |  
            | 1/25/2013 | +0.10 / +3.33% | 3.00 | 3.20 | 2.90 | 3.10 | 3.00 | 3.10 | 44,600 |   |  			
            | 1/24/2013 | +0.10 / +3.45% | 2.90 | 3.00 | 2.90 | 3.00 | 3.00 | 3.00 | 15,100 |   |  
            | 1/23/2013 | 0.00 / 0.00% | 2.90 | 3.00 | 2.80 | 2.90 | 2.90 | 2.90 | 3,500 |   |  			
            | 1/22/2013 | -0.10 / -3.33% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2,900 |   |  
            | 1/21/2013 | -0.10 / -3.23% | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 900 |   |  			
            | 1/18/2013 | +0.10 / +3.33% | 3.00 | 3.10 | 3.00 | 3.10 | 3.00 | 3.10 | 17,900 |   |  
            | 1/17/2013 | -0.20 / -6.25% | 3.10 | 3.30 | 3.00 | 3.00 | 3.00 | 3.00 | 18,100 |   |  			
            | 1/16/2013 | +0.10 / +3.23% | 3.20 | 3.40 | 3.10 | 3.20 | 3.20 | 3.20 | 31,100 |   |  
            | 1/15/2013 | +0.10 / +3.33% | 3.00 | 3.20 | 3.00 | 3.10 | 3.10 | 3.10 | 26,900 |   |  			
            | 1/14/2013 | 0.00 / 0.00% | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 1,500 |   |  
            | 1/11/2013 | +0.10 / +3.45% | 2.90 | 3.00 | 2.90 | 3.00 | 2.90 | 3.00 | 8,400 |   |  			
            | 1/10/2013 | -0.10 / -3.33% | 3.00 | 3.00 | 2.80 | 2.90 | 2.90 | 2.90 | 22,100 |   |  
            | 1/9/2013 | -0.10 / -3.23% | 3.20 | 3.20 | 2.90 | 3.00 | 3.00 | 3.00 | 9,900 |   |  			
            | 1/8/2013 | +0.10 / +3.33% | 3.00 | 3.10 | 2.90 | 3.10 | 3.10 | 3.10 | 7,100 |   |  
            | 1/7/2013 | -0.20 / -6.25% | 3.10 | 3.10 | 3.00 | 3.00 | 3.00 | 3.00 | 17,200 |   |  			
            | 1/4/2013 | +0.10 / +3.23% | 3.00 | 3.20 | 3.00 | 3.20 | 3.10 | 3.20 | 18,400 |   |  
            | 1/3/2013 | -0.10 / -3.13% | 3.20 | 3.20 | 3.10 | 3.10 | 3.10 | 3.10 | 3,100 |   |  			
            | 1/2/2013 | +0.20 / +6.67% | 3.10 | 3.20 | 3.00 | 3.20 | 3.20 | 3.20 | 55,900 |   |  
            | 12/28/2012 | -0.10 / -3.23% | 2.90 | 3.00 | 2.90 | 3.00 | 2.95 | 3.00 | 15,900 |   |  			
            | 12/27/2012 | +0.20 / +6.90% | 3.00 | 3.10 | 2.90 | 3.10 | 3.10 | 3.10 | 44,100 |   |  
            | 12/26/2012 | -0.20 / -6.45% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 61,700 |   |  |