| 
    
        
            | 
                    Closing price on 11/25/2011
                 |  |  
    
        |           
                
                    | Open | 4.20 |  
                    | High | 4.20 |  
                    | Low | 4.00 |  
                    | Volume | 32,900 |  
                    | Split-adjusted Price | 3.65 |  
                
             | 
 |  SD3 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/25/2011 | -0.10 / -2.38% | 4.20 | 4.20 | 4.00 | 4.10 | 4.13 | 3.65 | 32,900 |   |  
            | 11/24/2011 | -0.20 / -4.55% | 4.70 | 4.70 | 4.20 | 4.20 | 4.30 | 3.74 | 23,600 |   |  			
            | 11/23/2011 | -0.20 / -4.35% | 4.60 | 4.60 | 4.30 | 4.40 | 4.50 | 3.91 | 9,800 |   |  
            | 11/22/2011 | -0.10 / -2.13% | 4.40 | 4.90 | 4.30 | 4.60 | 4.40 | 4.09 | 23,700 |   |  			
            | 11/21/2011 | -0.10 / -2.08% | 5.00 | 5.00 | 4.60 | 4.70 | 4.60 | 4.18 | 1,300 |   |  
            | 11/18/2011 | -0.20 / -4.08% | 4.80 | 5.10 | 4.70 | 4.70 | 5.00 | 4.18 | 6,400 |   |  			
            | 11/17/2011 | -0.40 / -7.55% | 5.20 | 5.20 | 4.90 | 4.90 | 5.00 | 4.36 | 5,100 |   |  
            | 11/16/2011 | +0.20 / +3.92% | 5.30 | 5.30 | 4.90 | 5.30 | 5.10 | 4.71 | 17,400 |   |  			
            | 11/15/2011 | +0.10 / +2.00% | 4.70 | 5.20 | 4.70 | 5.10 | 5.10 | 4.54 | 8,600 |   |  
            | 11/14/2011 | -0.30 / -5.66% | 5.00 | 5.10 | 5.00 | 5.00 | 5.00 | 4.45 | 17,600 |   |  			
            | 11/11/2011 | -0.10 / -1.85% | 5.30 | 5.50 | 5.20 | 5.30 | 5.40 | 4.71 | 14,800 |   |  
            | 11/10/2011 | -0.30 / -5.26% | 5.50 | 5.50 | 5.30 | 5.40 | 5.40 | 4.80 | 22,700 |   |  			
            | 11/9/2011 | -0.10 / -1.72% | 5.80 | 5.80 | 5.60 | 5.70 | 5.60 | 5.07 | 18,700 |   |  
            | 11/8/2011 | 0.00 / 0.00% | 5.80 | 5.80 | 5.60 | 5.80 | 5.70 | 5.16 | 34,200 |   |  			
            | 11/7/2011 | 0.00 / 0.00% | 6.00 | 6.00 | 5.60 | 5.80 | 5.80 | 5.16 | 17,500 |   |  
            | 11/4/2011 | -0.30 / -5.00% | 5.80 | 5.90 | 5.70 | 5.70 | 5.80 | 5.07 | 13,200 |   |  			
            | 11/3/2011 | +0.10 / +1.69% | 5.80 | 6.00 | 5.80 | 6.00 | 5.80 | 5.34 | 15,400 |   |  
            | 11/2/2011 | -0.10 / -1.67% | 6.00 | 6.00 | 5.60 | 5.90 | 5.80 | 5.25 | 58,800 |   |  			
            | 11/1/2011 | -0.30 / -4.76% | 6.00 | 6.10 | 6.00 | 6.00 | 6.00 | 5.34 | 98,100 |   |  
            | 10/31/2011 | 0.00 / 0.00% | 6.70 | 6.70 | 6.20 | 6.30 | 6.40 | 5.60 | 93,300 |   |  			
            | 10/28/2011 | +0.40 / +6.67% | 6.10 | 6.40 | 6.10 | 6.40 | 6.25 | 5.69 | 79,000 |   |  
            | 10/27/2011 | -0.20 / -3.23% | 6.10 | 6.10 | 6.00 | 6.00 | 6.00 | 5.34 | 4,300 |   |  			
            | 10/26/2011 | +0.30 / +5.08% | 5.70 | 6.30 | 5.60 | 6.20 | 6.10 | 5.52 | 18,100 |   |  
            | 10/25/2011 | -0.40 / -6.35% | 6.00 | 6.20 | 5.90 | 5.90 | 6.00 | 5.25 | 26,200 |   |  			
            | 10/24/2011 | 0.00 / 0.00% | 6.40 | 6.40 | 6.10 | 6.30 | 6.30 | 5.60 | 17,900 |   |  
            | 10/21/2011 | +0.30 / +4.92% | 5.80 | 6.40 | 5.80 | 6.40 | 6.00 | 5.69 | 158,900 |   |  			
            | 10/20/2011 | +0.10 / +1.67% | 6.00 | 6.10 | 6.00 | 6.10 | 6.00 | 5.43 | 4,900 |   |  
            | 10/19/2011 | -0.10 / -1.64% | 6.40 | 6.40 | 5.90 | 6.00 | 6.00 | 5.34 | 83,900 |   |  			
            | 10/18/2011 | -0.30 / -4.69% | 6.20 | 6.20 | 6.10 | 6.10 | 6.20 | 5.43 | 37,200 |   |  
            | 10/17/2011 | -0.10 / -1.54% | 6.70 | 6.70 | 6.40 | 6.40 | 6.40 | 5.69 | 4,200 |   |  |