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                    Closing price on 11/2/2012
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                    | Open | 2.60 |  
                    | High | 2.80 |  
                    | Low | 2.60 |  
                    | Volume | 13,600 |  
                    | Split-adjusted Price | 2.80 |  
                
             | 
 |  SD1 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/2/2012 | +0.10 / +3.70% | 2.60 | 2.80 | 2.60 | 2.80 | 2.70 | 2.80 | 13,600 |   |  
            | 11/1/2012 | +0.10 / +3.85% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 100 |   |  			
            | 10/31/2012 | -0.10 / -3.70% | 2.60 | 2.80 | 2.60 | 2.60 | 2.60 | 2.60 | 4,000 |   |  
            | 10/30/2012 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2,300 |   |  			
            | 10/29/2012 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 100 |   |  
            | 10/26/2012 | +0.10 / +3.85% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 100 |   |  			
            | 10/25/2012 | 0.00 / 0.00% | 2.70 | 2.70 | 2.60 | 2.60 | 2.60 | 2.60 | 6,200 |   |  
            | 10/24/2012 | 0.00 / 0.00% | 2.60 | 2.70 | 2.60 | 2.60 | 2.60 | 2.60 | 12,000 |   |  			
            | 10/23/2012 | -0.10 / -3.70% | 2.80 | 2.80 | 2.60 | 2.60 | 2.60 | 2.60 | 6,100 |   |  
            | 10/22/2012 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 8,700 |   |  			
            | 10/19/2012 | -0.10 / -3.57% | 2.90 | 2.90 | 2.70 | 2.70 | 2.80 | 2.70 | 11,100 |   |  
            | 10/18/2012 | +0.10 / +3.70% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 8,100 |   |  			
            | 10/17/2012 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 4,900 |   |  
            | 10/16/2012 | +0.10 / +3.85% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 1,600 |   |  			
            | 10/15/2012 | -0.10 / -3.70% | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 2,800 |   |  
            | 10/12/2012 | 0.00 / 0.00% | 2.80 | 2.80 | 2.70 | 2.70 | 2.70 | 2.70 | 31,600 |   |  			
            | 10/11/2012 | +0.10 / +3.85% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 10,000 |   |  
            | 10/10/2012 | +0.10 / +4.00% | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 44,100 |   |  			
            | 10/9/2012 | -0.10 / -3.85% | 2.70 | 2.70 | 2.50 | 2.50 | 2.50 | 2.50 | 6,900 |   |  
            | 10/8/2012 | +0.10 / +4.00% | 2.60 | 2.60 | 2.50 | 2.60 | 2.60 | 2.60 | 8,000 |   |  			
            | 10/5/2012 | 0.00 / 0.00% | 2.30 | 2.50 | 2.30 | 2.50 | 2.50 | 2.50 | 29,500 |   |  
            | 10/4/2012 | -0.10 / -3.85% | 2.40 | 2.50 | 2.40 | 2.50 | 2.50 | 2.50 | 8,600 |   |  			
            | 10/3/2012 | 0.00 / 0.00% | 2.70 | 2.70 | 2.50 | 2.60 | 2.60 | 2.60 | 5,400 |   |  
            | 10/2/2012 | -0.10 / -3.70% | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 6,200 |   |  			
            | 10/1/2012 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 18,800 |   |  
            | 9/28/2012 | -0.20 / -6.90% | 2.80 | 2.90 | 2.70 | 2.70 | 2.90 | 2.70 | 18,400 |   |  			
            | 9/27/2012 | -0.10 / -3.33% | 2.80 | 2.90 | 2.80 | 2.90 | 2.90 | 2.90 | 2,600 |   |  
            | 9/26/2012 | +0.10 / +3.45% | 2.80 | 3.00 | 2.80 | 3.00 | 3.00 | 3.00 | 1,600 |   |  			
            | 9/25/2012 | -0.10 / -3.33% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 200 |   |  
            | 9/24/2012 | 0.00 / 0.00% | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 400 |   |  |