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                    Closing price on 2/11/2009
                 |  |  
    
        |           
                
                    | Open | 7.30 |  
                    | High | 7.30 |  
                    | Low | 7.10 |  
                    | Volume | 7,700 |  
                    | Split-adjusted Price | 7.10 |  
                
             | 
 |  SDD Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/11/2009 | -0.20 / -2.74% | 7.30 | 7.30 | 7.10 | 7.10 | 7.18 | 7.10 | 7,700 |   |  
            | 2/10/2009 | -0.40 / -5.19% | 7.90 | 8.00 | 7.30 | 7.30 | 7.60 | 7.30 | 4,900 |   |  			
            | 2/9/2009 | 0.00 / 0.00% | 7.70 | 7.70 | 7.30 | 7.70 | 7.56 | 7.70 | 1,400 |   |  
            | 2/6/2009 | 0.00 / 0.00% | 7.80 | 7.80 | 7.20 | 7.70 | 7.33 | 7.70 | 9,600 |   |  			
            | 2/5/2009 | -0.50 / -6.10% | 7.70 | 7.80 | 7.70 | 7.70 | 7.72 | 7.70 | 1,400 |   |  
            | 2/4/2009 | +0.40 / +5.13% | 8.20 | 8.20 | 8.20 | 8.20 | 8.20 | 8.20 | 500 |   |  			
            | 2/3/2009 | -0.50 / -6.02% | 8.00 | 8.00 | 7.80 | 7.80 | 7.83 | 7.80 | 800 |   |  
            | 2/2/2009 | +0.30 / +3.75% | 8.20 | 8.30 | 8.20 | 8.30 | 8.28 | 8.30 | 500 |   |  			
            | 1/23/2009 | +0.30 / +3.90% | 8.10 | 8.10 | 7.90 | 8.00 | 7.99 | 8.00 | 11,600 |   |  
            | 1/22/2009 | -0.30 / -3.75% | 7.80 | 7.80 | 7.60 | 7.70 | 7.69 | 7.70 | 3,600 |   |  			
            | 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 |   |  |