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                    Closing price on 2/7/2013
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                    | Open | 2.00 |  
                    | High | 2.20 |  
                    | Low | 2.00 |  
                    | Volume | 300 |  
                    | Split-adjusted Price | 2.20 |  
                
             | 
 |  SDB Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/7/2013 | +0.20 / +10.00% | 2.00 | 2.20 | 2.00 | 2.20 | 2.20 | 2.20 | 300 |   |  
            | 2/6/2013 | +0.10 / +5.26% | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 100 |   |  			
            | 2/5/2013 | +0.10 / +5.56% | 1.90 | 1.90 | 1.90 | 1.90 | 1.90 | 1.90 | 100 |   |  
            | 2/4/2013 | 0.00 / 0.00% | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 0 |   |  			
            | 2/1/2013 | -0.10 / -5.26% | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 2,000 |   |  
            | 1/31/2013 | +0.10 / +5.56% | 1.90 | 1.90 | 1.90 | 1.90 | 1.90 | 1.90 | 100 |   |  			
            | 1/30/2013 | 0.00 / 0.00% | 1.80 | 1.80 | 1.70 | 1.80 | 1.80 | 1.80 | 19,100 |   |  
            | 1/29/2013 | -0.10 / -5.26% | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 2,000 |   |  			
            | 1/28/2013 | +0.10 / +5.56% | 1.70 | 1.90 | 1.70 | 1.90 | 1.90 | 1.90 | 2,500 |   |  
            | 1/25/2013 | -0.10 / -5.26% | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 3,400 |   |  			
            | 1/24/2013 | +0.10 / +5.56% | 1.90 | 1.90 | 1.90 | 1.90 | 1.90 | 1.90 | 100 |   |  
            | 1/23/2013 | 0.00 / 0.00% | 1.90 | 1.90 | 1.80 | 1.80 | 1.80 | 1.80 | 2,500 |   |  			
            | 1/22/2013 | 0.00 / 0.00% | 1.70 | 1.80 | 1.70 | 1.80 | 1.80 | 1.80 | 3,100 |   |  
            | 1/21/2013 | 0.00 / 0.00% | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 3,600 |   |  			
            | 1/18/2013 | -0.20 / -10.00% | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 20,400 |   |  
            | 1/17/2013 | -0.10 / -4.76% | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 100 |   |  			
            | 1/16/2013 | +0.10 / +5.00% | 2.00 | 2.10 | 1.90 | 2.10 | 2.10 | 2.10 | 4,300 |   |  
            | 1/15/2013 | -0.10 / -4.76% | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 500 |   |  			
            | 1/14/2013 | 0.00 / 0.00% | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 0 |   |  
            | 1/11/2013 | 0.00 / 0.00% | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 0 |   |  			
            | 1/10/2013 | 0.00 / 0.00% | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 0 |   |  
            | 1/9/2013 | -0.10 / -4.55% | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 1,100 |   |  			
            | 1/8/2013 | 0.00 / 0.00% | 2.20 | 2.20 | 2.20 | 2.20 | 2.20 | 2.20 | 0 |   |  
            | 1/7/2013 | +0.10 / +4.76% | 2.20 | 2.20 | 2.20 | 2.20 | 2.20 | 2.20 | 100 |   |  			
            | 1/4/2013 | +0.10 / +5.00% | 2.10 | 2.10 | 2.00 | 2.10 | 2.00 | 2.10 | 2,200 |   |  
            | 1/3/2013 | +0.10 / +5.26% | 2.00 | 2.00 | 1.90 | 2.00 | 2.00 | 2.00 | 1,700 |   |  			
            | 1/2/2013 | +0.10 / +5.56% | 1.90 | 1.90 | 1.90 | 1.90 | 1.90 | 1.90 | 6,600 |   |  
            | 12/28/2012 | +0.10 / +5.88% | 1.70 | 1.80 | 1.70 | 1.80 | 1.70 | 1.80 | 1,100 |   |  			
            | 12/27/2012 | 0.00 / 0.00% | 1.80 | 1.80 | 1.70 | 1.70 | 1.70 | 1.70 | 600 |   |  
            | 12/26/2012 | 0.00 / 0.00% | 1.70 | 1.70 | 1.70 | 1.70 | 1.70 | 1.70 | 0 |   |  |