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                    Closing price on 11/23/2012
                 |  |  
    
        |           
                
                    | Open | 6.10 |  
                    | High | 6.20 |  
                    | Low | 6.10 |  
                    | Volume | 23,700 |  
                    | Split-adjusted Price | 2.74 |  
                
             | 
 |  SD2 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/23/2012 | 0.00 / 0.00% | 6.10 | 6.20 | 6.10 | 6.20 | 6.17 | 2.74 | 23,700 |   |  
            | 11/22/2012 | +0.20 / +3.33% | 6.10 | 6.20 | 6.00 | 6.20 | 6.09 | 2.74 | 18,400 |   |  			
            | 11/21/2012 | -0.10 / -1.64% | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 2.66 | 23,100 |   |  
            | 11/20/2012 | 0.00 / 0.00% | 6.10 | 6.10 | 6.00 | 6.10 | 6.00 | 2.70 | 12,500 |   |  			
            | 11/19/2012 | 0.00 / 0.00% | 6.10 | 6.20 | 6.10 | 6.10 | 6.10 | 2.70 | 19,900 |   |  
            | 11/16/2012 | +0.10 / +1.67% | 6.10 | 6.10 | 6.00 | 6.10 | 6.06 | 2.70 | 1,400 |   |  			
            | 11/15/2012 | +0.10 / +1.69% | 6.00 | 6.00 | 5.90 | 6.00 | 5.92 | 2.66 | 19,800 |   |  
            | 11/14/2012 | -0.20 / -3.28% | 6.00 | 6.10 | 5.90 | 5.90 | 5.93 | 2.61 | 20,300 |   |  			
            | 11/13/2012 | 0.00 / 0.00% | 6.10 | 6.10 | 6.00 | 6.10 | 6.07 | 2.70 | 11,300 |   |  
            | 11/12/2012 | +0.10 / +1.67% | 6.30 | 6.30 | 6.00 | 6.10 | 6.02 | 2.70 | 14,600 |   |  			
            | 11/9/2012 | 0.00 / 0.00% | 5.90 | 6.00 | 5.90 | 6.00 | 5.92 | 2.66 | 1,600 |   |  
            | 11/8/2012 | 0.00 / 0.00% | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 2.66 | 4,900 |   |  			
            | 11/7/2012 | 0.00 / 0.00% | 6.00 | 6.10 | 6.00 | 6.00 | 6.06 | 2.66 | 1,700 |   |  
            | 11/6/2012 | +0.20 / +3.45% | 5.70 | 6.00 | 5.70 | 6.00 | 5.72 | 2.66 | 6,600 |   |  			
            | 11/5/2012 | +0.10 / +1.75% | 5.60 | 5.80 | 5.40 | 5.80 | 5.60 | 2.57 | 1,300 |   |  
            | 11/2/2012 | 0.00 / 0.00% | 5.60 | 5.70 | 5.50 | 5.70 | 5.53 | 2.52 | 46,600 |   |  			
            | 11/1/2012 | -0.10 / -1.72% | 5.70 | 6.00 | 5.70 | 5.70 | 5.78 | 2.52 | 8,800 |   |  
            | 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 |   |  |