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                    Closing price on 10/1/2012
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                    | Open | 2.70 |  
                    | High | 2.70 |  
                    | Low | 2.70 |  
                    | Volume | 18,800 |  
                    | Split-adjusted Price | 2.70 |  
                
             | 
 |  SD1 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 9/21/2012 | 0.00 / 0.00% | 3.00 | 3.20 | 3.00 | 3.00 | 3.00 | 3.00 | 7,500 |   |  
            | 9/20/2012 | -0.20 / -6.25% | 3.00 | 3.20 | 3.00 | 3.00 | 3.00 | 3.00 | 13,900 |   |  			
            | 9/19/2012 | +0.20 / +6.67% | 2.80 | 3.20 | 2.80 | 3.20 | 3.20 | 3.20 | 1,200 |   |  
            | 9/18/2012 | -0.20 / -6.25% | 3.10 | 3.10 | 3.00 | 3.00 | 3.00 | 3.00 | 12,800 |   |  			
            | 9/17/2012 | 0.00 / 0.00% | 3.20 | 3.30 | 3.20 | 3.20 | 3.20 | 3.20 | 1,400 |   |  
            | 9/14/2012 | +0.20 / +6.67% | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 12,300 |   |  			
            | 9/13/2012 | -0.10 / -3.23% | 3.00 | 3.30 | 3.00 | 3.00 | 3.00 | 3.00 | 7,700 |   |  
            | 9/12/2012 | -0.20 / -6.06% | 3.30 | 3.30 | 3.10 | 3.10 | 3.10 | 3.10 | 13,500 |   |  			
            | 9/11/2012 | -0.20 / -5.71% | 3.40 | 3.40 | 3.30 | 3.30 | 3.30 | 3.30 | 8,100 |   |  
            | 9/10/2012 | -0.20 / -5.41% | 3.60 | 3.60 | 3.50 | 3.50 | 3.50 | 3.50 | 24,400 |   |  			
            | 9/7/2012 | 0.00 / 0.00% | 3.80 | 3.80 | 3.70 | 3.70 | 3.70 | 3.70 | 1,300 |   |  
            | 9/6/2012 | -0.10 / -2.63% | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 2,700 |   |  			
            | 9/5/2012 | -0.10 / -2.56% | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 12,600 |   |  
            | 9/4/2012 | +0.10 / +2.63% | 3.90 | 3.90 | 3.80 | 3.90 | 3.90 | 3.90 | 2,000 |   |  			
            | 8/31/2012 | -0.10 / -2.56% | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 100 |   |  
            | 8/30/2012 | -0.20 / -4.88% | 4.00 | 4.10 | 3.90 | 3.90 | 3.90 | 3.90 | 7,400 |   |  			
            | 8/29/2012 | +0.10 / +2.50% | 3.90 | 4.10 | 3.90 | 4.10 | 4.10 | 4.10 | 3,400 |   |  
            | 8/28/2012 | 0.00 / 0.00% | 3.80 | 4.00 | 3.80 | 4.00 | 4.00 | 4.00 | 14,500 |   |  			
            | 8/27/2012 | -0.20 / -4.76% | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 13,500 |   |  
            | 8/24/2012 | +0.10 / +2.44% | 4.00 | 4.20 | 3.90 | 4.20 | 4.10 | 4.20 | 9,300 |   |  			
            | 8/23/2012 | -0.10 / -2.38% | 4.10 | 4.10 | 4.00 | 4.10 | 4.10 | 4.10 | 38,200 |   |  
            | 8/22/2012 | -0.20 / -4.55% | 4.30 | 4.30 | 4.20 | 4.20 | 4.20 | 4.20 | 5,600 |   |  			
            | 8/21/2012 | -0.20 / -4.35% | 4.50 | 4.50 | 4.40 | 4.40 | 4.40 | 4.40 | 38,700 |   |  
            | 8/20/2012 | 0.00 / 0.00% | 4.80 | 4.80 | 4.60 | 4.60 | 4.60 | 4.60 | 2,300 |   |  |