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                    Closing price on 1/21/2009
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        |           
                
                    | Open | 8.00 |  
                    | High | 8.00 |  
                    | Low | 7.80 |  
                    | Volume | 500 |  
                    | Split-adjusted Price | 8.00 |  
                
             | 
 |  SDD Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/21/2009 | +0.40 / +5.26% | 8.00 | 8.00 | 7.80 | 8.00 | 7.88 | 8.00 | 500 |   |  
            | 1/20/2009 | +0.10 / +1.33% | 7.60 | 7.60 | 7.60 | 7.60 | 7.60 | 7.60 | 2,800 |   |  			
            | 1/19/2009 | -0.30 / -3.85% | 7.70 | 7.70 | 7.50 | 7.50 | 7.55 | 7.50 | 2,700 |   |  
            | 1/16/2009 | +0.40 / +5.41% | 8.00 | 8.10 | 7.80 | 7.80 | 7.83 | 7.80 | 3,400 |   |  			
            | 1/15/2009 | -0.50 / -6.33% | 8.00 | 8.00 | 7.40 | 7.40 | 7.72 | 7.40 | 8,700 |   |  
            | 1/14/2009 | +0.10 / +1.28% | 8.10 | 8.20 | 7.90 | 7.90 | 7.93 | 7.90 | 7,000 |   |  			
            | 1/13/2009 | -0.20 / -2.50% | 8.10 | 8.10 | 7.80 | 7.80 | 7.93 | 7.80 | 8,900 |   |  
            | 1/12/2009 | -0.20 / -2.44% | 7.90 | 8.00 | 7.90 | 8.00 | 7.93 | 8.00 | 3,400 |   |  			
            | 1/9/2009 | 0.00 / 0.00% | 8.30 | 8.30 | 8.10 | 8.20 | 8.22 | 8.20 | 2,500 |   |  
            | 1/8/2009 | +0.10 / +1.23% | 8.20 | 8.20 | 8.20 | 8.20 | 8.20 | 8.20 | 100 |   |  			
            | 1/7/2009 | 0.00 / 0.00% | 8.30 | 8.50 | 7.90 | 8.10 | 8.15 | 8.10 | 15,900 |   |  
            | 1/6/2009 | 0.00 / 0.00% | 8.00 | 8.30 | 7.80 | 8.10 | 7.99 | 8.10 | 9,700 |   |  			
            | 1/5/2009 | -0.60 / -6.90% | 9.20 | 9.20 | 8.10 | 8.10 | 8.23 | 8.10 | 6,900 |   |  
            | 1/2/2009 | +0.10 / +1.16% | 8.70 | 8.80 | 8.70 | 8.70 | 8.70 | 8.70 | 2,800 |   |  			
            | 12/31/2008 | +0.10 / +1.18% | 8.50 | 8.90 | 8.40 | 8.60 | 8.68 | 8.60 | 40,200 |   |  
            | 12/30/2008 | +0.30 / +3.66% | 8.10 | 8.50 | 8.10 | 8.50 | 8.43 | 8.50 | 26,200 |   |  			
            | 12/29/2008 | +0.30 / +3.80% | 7.70 | 8.20 | 7.70 | 8.20 | 7.96 | 8.20 | 33,600 |   |  
            | 12/26/2008 | +0.30 / +3.95% | 7.60 | 7.90 | 7.60 | 7.90 | 7.74 | 7.90 | 5,200 |   |  			
            | 12/25/2008 | -0.20 / -2.56% | 8.00 | 8.00 | 7.60 | 7.60 | 7.81 | 7.60 | 1,300 |   |  
            | 12/24/2008 | 0.00 / 0.00% | 7.80 | 7.80 | 7.80 | 7.80 | 7.80 | 7.80 | 2,200 |   |  			
            | 12/23/2008 | -0.20 / -2.50% | 8.00 | 8.00 | 7.70 | 7.80 | 7.76 | 7.80 | 7,600 |   |  
            | 12/22/2008 | +0.10 / +1.27% | 8.00 | 8.00 | 7.70 | 8.00 | 7.96 | 8.00 | 2,800 |   |  			
            | 12/19/2008 | +0.10 / +1.28% | 7.60 | 8.00 | 7.60 | 7.90 | 7.84 | 7.90 | 8,100 |   |  
            | 12/18/2008 | -0.20 / -2.50% | 8.00 | 8.00 | 7.70 | 7.80 | 7.89 | 7.80 | 1,500 |   |  			
            | 12/17/2008 | +0.20 / +2.56% | 7.70 | 8.00 | 7.70 | 8.00 | 7.97 | 8.00 | 2,900 |   |  
            | 12/16/2008 | -0.40 / -4.88% | 8.40 | 8.50 | 7.70 | 7.80 | 8.01 | 7.80 | 13,800 |   |  			
            | 12/15/2008 | +0.40 / +5.13% | 8.20 | 8.30 | 7.60 | 8.20 | 8.23 | 8.20 | 32,000 |   |  
            | 12/12/2008 | +0.70 / +9.86% | 7.80 | 7.80 | 7.70 | 7.80 | 7.79 | 7.80 | 8,900 |   |  			
            | 12/11/2008 | -0.10 / -1.39% | 7.00 | 7.40 | 6.90 | 7.10 | 7.26 | 7.10 | 7,200 |   |  
            | 12/10/2008 | -0.30 / -4.00% | 7.20 | 7.60 | 7.10 | 7.20 | 7.39 | 7.20 | 6,100 |   |  |