| 
                 
                    Closing price on 7/2/2008
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    10.90 | 
                 
                
                    | High | 
                    10.90 | 
                 
                
                    | Low | 
                    10.20 | 
                     
                
                    | Volume | 
                    61,900 | 
                                 
                
                    | Split-adjusted Price | 
                    10.90 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SDD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/2/2008
             | 
            
                +0.40 / +3.81%
             |             
            
                10.90
             |           
            
                10.90
             |               
            
                10.20
             |                           
            
                10.90
             | 
            
                10.86
             |                     
            
                10.90
             |                                 
            
                61,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/1/2008
             | 
            
                +0.30 / +2.94%
             |             
            
                10.50
             |           
            
                10.50
             |               
            
                10.20
             |                           
            
                10.50
             | 
            
                10.47
             |                     
            
                10.50
             |                                 
            
                9,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/30/2008
             | 
            
                +0.20 / +2.00%
             |             
            
                10.20
             |           
            
                10.20
             |               
            
                9.70
             |                           
            
                10.20
             | 
            
                10.11
             |                     
            
                10.20
             |                                 
            
                71,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/27/2008
             | 
            
                -0.10 / -0.99%
             |             
            
                9.60
             |           
            
                10.20
             |               
            
                9.60
             |                           
            
                10.00
             | 
            
                9.93
             |                     
            
                10.00
             |                                 
            
                48,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/26/2008
             | 
            
                +0.20 / +2.02%
             |             
            
                10.10
             |           
            
                10.20
             |               
            
                9.60
             |                           
            
                10.10
             | 
            
                9.96
             |                     
            
                10.10
             |                                 
            
                77,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/25/2008
             | 
            
                +0.20 / +2.06%
             |             
            
                9.90
             |           
            
                9.90
             |               
            
                9.70
             |                           
            
                9.90
             | 
            
                9.88
             |                     
            
                9.90
             |                                 
            
                43,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/24/2008
             | 
            
                +0.20 / +2.11%
             |             
            
                9.70
             |           
            
                9.70
             |               
            
                9.40
             |                           
            
                9.70
             | 
            
                9.61
             |                     
            
                9.70
             |                                 
            
                49,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/23/2008
             | 
            
                +0.30 / +3.26%
             |             
            
                8.90
             |           
            
                9.50
             |               
            
                8.90
             |                           
            
                9.50
             | 
            
                9.37
             |                     
            
                9.50
             |                                 
            
                73,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/20/2008
             | 
            
                -0.30 / -3.16%
             |             
            
                9.20
             |           
            
                9.20
             |               
            
                9.20
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                9.20
             |                                 
            
                13,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/19/2008
             | 
            
                0.00 / 0.00%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                9.50
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/18/2008
             | 
            
                -0.20 / -2.06%
             |             
            
                9.90
             |           
            
                9.90
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.80
             |                     
            
                9.50
             |                                 
            
                52,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/17/2008
             | 
            
                +0.20 / +2.11%
             |             
            
                9.70
             |           
            
                9.70
             |               
            
                9.70
             |                           
            
                9.70
             | 
            
                9.70
             |                     
            
                9.70
             |                                 
            
                6,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/16/2008
             | 
            
                +0.20 / +2.15%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                9.50
             |                                 
            
                12,900
             |            
            
                 
             |                                       
         
    
        
            | 
                6/13/2008
             | 
            
                +0.20 / +2.20%
             |             
            
                9.30
             |           
            
                9.30
             |               
            
                9.30
             |                           
            
                9.30
             | 
            
                9.30
             |                     
            
                9.30
             |                                 
            
                6,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/12/2008
             | 
            
                +0.20 / +2.25%
             |             
            
                9.10
             |           
            
                9.10
             |               
            
                9.10
             |                           
            
                9.10
             | 
            
                9.10
             |                     
            
                9.10
             |                                 
            
                2,900
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2008
             | 
            
                0.00 / 0.00%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.70
             |                           
            
                8.90
             | 
            
                8.85
             |                     
            
                8.90
             |                                 
            
                37,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/10/2008
             | 
            
                +0.20 / +2.30%
             |             
            
                8.50
             |           
            
                8.90
             |               
            
                8.50
             |                           
            
                8.90
             | 
            
                8.67
             |                     
            
                8.90
             |                                 
            
                52,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/9/2008
             | 
            
                -0.20 / -2.25%
             |             
            
                8.70
             |           
            
                8.70
             |               
            
                8.70
             |                           
            
                8.70
             | 
            
                8.70
             |                     
            
                8.70
             |                                 
            
                1,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/6/2008
             | 
            
                -0.20 / -2.20%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.90
             |                           
            
                8.90
             | 
            
                8.90
             |                     
            
                8.90
             |                                 
            
                1,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2008
             | 
            
                -0.20 / -2.15%
             |             
            
                9.10
             |           
            
                9.10
             |               
            
                9.10
             |                           
            
                9.10
             | 
            
                9.10
             |                     
            
                9.10
             |                                 
            
                700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2008
             | 
            
                -0.20 / -2.11%
             |             
            
                9.30
             |           
            
                9.30
             |               
            
                9.30
             |                           
            
                9.30
             | 
            
                9.30
             |                     
            
                9.30
             |                                 
            
                3,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/3/2008
             | 
            
                -0.20 / -2.06%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                9.50
             |                                 
            
                2,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/2/2008
             | 
            
                -0.20 / -2.02%
             |             
            
                9.70
             |           
            
                9.70
             |               
            
                9.70
             |                           
            
                9.70
             | 
            
                9.70
             |                     
            
                9.70
             |                                 
            
                3,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2008
             | 
            
                -0.30 / -2.94%
             |             
            
                10.10
             |           
            
                10.10
             |               
            
                9.90
             |                           
            
                9.90
             | 
            
                9.90
             |                     
            
                9.90
             |                                 
            
                13,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2008
             | 
            
                -0.30 / -2.86%
             |             
            
                10.20
             |           
            
                10.80
             |               
            
                10.20
             |                           
            
                10.20
             | 
            
                10.24
             |                     
            
                10.20
             |                                 
            
                47,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2008
             | 
            
                -0.30 / -2.78%
             |             
            
                10.50
             |           
            
                10.50
             |               
            
                10.50
             |                           
            
                10.50
             | 
            
                10.50
             |                     
            
                10.50
             |                                 
            
                14,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2008
             | 
            
                -0.30 / -2.70%
             |             
            
                10.80
             |           
            
                10.80
             |               
            
                10.80
             |                           
            
                10.80
             | 
            
                10.80
             |                     
            
                10.80
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/26/2008
             | 
            
                0.00 / 0.00%
             |             
            
                11.10
             |           
            
                11.10
             |               
            
                11.10
             |                           
            
                11.10
             | 
            
                11.10
             |                     
            
                11.10
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2008
             | 
            
                -0.30 / -2.63%
             |             
            
                11.10
             |           
            
                11.10
             |               
            
                11.10
             |                           
            
                11.10
             | 
            
                11.10
             |                     
            
                11.10
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2008
             | 
            
                -0.30 / -2.56%
             |             
            
                11.40
             |           
            
                11.40
             |               
            
                11.40
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                11.40
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |