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                    Closing price on 10/31/2012
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                    | Open | 5.80 |  
                    | High | 6.00 |  
                    | Low | 5.80 |  
                    | Volume | 2,600 |  
                    | Split-adjusted Price | 2.57 |  
                
             | 
 |  SD2 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/31/2012 | 0.00 / 0.00% | 5.80 | 6.00 | 5.80 | 5.80 | 5.81 | 2.57 | 2,600 |   |  
            | 10/30/2012 | -0.10 / -1.69% | 5.80 | 5.90 | 5.80 | 5.80 | 5.90 | 2.57 | 19,866 |   |  			
            | 10/29/2012 | -0.10 / -1.67% | 5.90 | 6.00 | 5.80 | 5.90 | 5.86 | 2.61 | 7,700 |   |  
            | 10/26/2012 | 0.00 / 0.00% | 5.80 | 6.00 | 5.80 | 6.00 | 5.96 | 2.66 | 30,200 |   |  			
            | 10/25/2012 | -0.20 / -3.23% | 6.20 | 6.20 | 5.90 | 6.00 | 6.02 | 2.66 | 19,300 |   |  
            | 10/24/2012 | 0.00 / 0.00% | 6.00 | 6.20 | 6.00 | 6.20 | 6.09 | 2.74 | 13,500 |   |  			
            | 10/23/2012 | +0.10 / +1.64% | 6.10 | 6.20 | 6.10 | 6.20 | 6.16 | 2.74 | 8,100 |   |  
            | 10/22/2012 | -0.10 / -1.61% | 6.00 | 6.10 | 6.00 | 6.10 | 6.01 | 2.70 | 3,200 |   |  			
            | 10/19/2012 | -0.20 / -3.13% | 6.50 | 6.50 | 6.10 | 6.20 | 6.15 | 2.74 | 16,400 |   |  
            | 10/18/2012 | +0.40 / +6.67% | 6.20 | 6.40 | 6.20 | 6.40 | 6.28 | 2.83 | 39,466 |   |  			
            | 10/17/2012 | -0.40 / -6.25% | 6.20 | 6.20 | 6.00 | 6.00 | 6.03 | 2.66 | 3,366 |   |  
            | 10/16/2012 | +0.40 / +6.67% | 6.00 | 6.40 | 5.80 | 6.40 | 6.01 | 2.83 | 16,200 |   |  			
            | 10/15/2012 | -0.10 / -1.64% | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 2.66 | 2,000 |   |  
            | 10/12/2012 | -0.10 / -1.61% | 6.10 | 6.10 | 5.80 | 6.10 | 5.95 | 2.70 | 21,900 |   |  			
            | 10/11/2012 | +0.10 / +1.64% | 6.20 | 6.30 | 6.10 | 6.20 | 6.14 | 2.74 | 46,900 |   |  
            | 10/10/2012 | +0.10 / +1.67% | 6.10 | 6.10 | 6.10 | 6.10 | 6.10 | 2.70 | 7,300 |   |  			
            | 10/9/2012 | -0.20 / -3.23% | 6.10 | 6.20 | 5.80 | 6.00 | 6.00 | 2.66 | 7,300 |   |  
            | 10/8/2012 | +0.20 / +3.33% | 6.10 | 6.20 | 6.00 | 6.20 | 6.09 | 2.74 | 7,000 |   |  			
            | 10/5/2012 | +0.10 / +1.69% | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 2.66 | 1,300 |   |  
            | 10/4/2012 | 0.00 / 0.00% | 6.00 | 6.00 | 5.80 | 5.90 | 5.98 | 2.61 | 3,100 |   |  			
            | 10/3/2012 | +0.30 / +5.36% | 5.80 | 5.90 | 5.50 | 5.90 | 5.62 | 2.61 | 10,400 |   |  
            | 10/2/2012 | -0.20 / -3.45% | 5.80 | 5.90 | 5.50 | 5.60 | 5.60 | 2.48 | 16,200 |   |  			
            | 10/1/2012 | -0.20 / -3.33% | 5.90 | 5.90 | 5.50 | 5.80 | 5.55 | 2.57 | 4,300 |   |  
            | 9/28/2012 | 0.00 / 0.00% | 6.00 | 6.00 | 5.70 | 6.00 | 5.89 | 2.66 | 14,400 |   |  			
            | 9/27/2012 | -0.10 / -1.64% | 5.80 | 6.00 | 5.80 | 6.00 | 5.90 | 2.66 | 16,100 |   |  
            | 9/26/2012 | +0.10 / +1.67% | 6.00 | 6.20 | 6.00 | 6.10 | 6.06 | 2.70 | 2,300 |   |  			
            | 9/25/2012 | -0.30 / -4.76% | 6.20 | 6.20 | 5.90 | 6.00 | 5.95 | 2.66 | 33,300 |   |  
            | 9/24/2012 | 0.00 / 0.00% | 6.50 | 6.50 | 6.00 | 6.30 | 6.05 | 2.79 | 2,600 |   |  			
            | 9/21/2012 | +0.30 / +5.00% | 6.30 | 6.40 | 5.90 | 6.30 | 6.08 | 2.79 | 1,400 |   |  
            | 9/20/2012 | -0.40 / -6.25% | 6.60 | 6.60 | 6.00 | 6.00 | 6.11 | 2.66 | 42,400 |   |  |