| 
                 
                    Closing price on 4/25/2008
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    14.60 | 
                 
                
                    | High | 
                    14.70 | 
                 
                
                    | Low | 
                    14.50 | 
                     
                
                    | Volume | 
                    2,300 | 
                                 
                
                    | Split-adjusted Price | 
                    14.70 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DCS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/25/2008
             | 
            
                +0.30 / +2.08%
             |             
            
                14.60
             |           
            
                14.70
             |               
            
                14.50
             |                           
            
                14.70
             | 
            
                14.70
             |                     
            
                14.70
             |                                 
            
                2,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2008
             | 
            
                -0.20 / -1.37%
             |             
            
                14.40
             |           
            
                15.20
             |               
            
                14.40
             |                           
            
                14.40
             | 
            
                14.40
             |                     
            
                14.40
             |                                 
            
                12,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2008
             | 
            
                +0.20 / +1.39%
             |             
            
                14.80
             |           
            
                14.80
             |               
            
                14.20
             |                           
            
                14.60
             | 
            
                14.60
             |                     
            
                14.60
             |                                 
            
                40,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2008
             | 
            
                -0.20 / -1.37%
             |             
            
                14.40
             |           
            
                14.40
             |               
            
                14.40
             |                           
            
                14.40
             | 
            
                14.40
             |                     
            
                14.40
             |                                 
            
                3,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/21/2008
             | 
            
                +0.10 / +0.69%
             |             
            
                14.00
             |           
            
                14.60
             |               
            
                13.80
             |                           
            
                14.60
             | 
            
                14.60
             |                     
            
                14.60
             |                                 
            
                24,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2008
             | 
            
                -0.40 / -2.68%
             |             
            
                14.70
             |           
            
                14.70
             |               
            
                13.90
             |                           
            
                14.50
             | 
            
                14.50
             |                     
            
                14.50
             |                                 
            
                13,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2008
             | 
            
                +0.40 / +2.76%
             |             
            
                14.10
             |           
            
                14.90
             |               
            
                14.10
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                14.90
             |                                 
            
                45,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2008
             | 
            
                -0.40 / -2.68%
             |             
            
                14.50
             |           
            
                14.60
             |               
            
                14.50
             |                           
            
                14.50
             | 
            
                14.50
             |                     
            
                14.50
             |                                 
            
                2,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2008
             | 
            
                -0.40 / -2.61%
             |             
            
                14.90
             |           
            
                14.90
             |               
            
                14.90
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                14.90
             |                                 
            
                5,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2008
             | 
            
                -0.40 / -2.55%
             |             
            
                16.10
             |           
            
                16.10
             |               
            
                15.30
             |                           
            
                15.30
             | 
            
                15.30
             |                     
            
                15.30
             |                                 
            
                3,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2008
             | 
            
                -0.30 / -1.88%
             |             
            
                16.00
             |           
            
                16.00
             |               
            
                15.70
             |                           
            
                15.70
             | 
            
                15.70
             |                     
            
                15.70
             |                                 
            
                12,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2008
             | 
            
                -0.30 / -1.84%
             |             
            
                16.70
             |           
            
                16.70
             |               
            
                15.90
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                16.00
             |                                 
            
                58,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2008
             | 
            
                +0.40 / +2.52%
             |             
            
                16.30
             |           
            
                16.30
             |               
            
                16.30
             |                           
            
                16.30
             | 
            
                16.30
             |                     
            
                16.30
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2008
             | 
            
                +0.30 / +1.92%
             |             
            
                15.90
             |           
            
                15.90
             |               
            
                15.90
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                15.90
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2008
             | 
            
                +0.30 / +1.96%
             |             
            
                15.60
             |           
            
                15.60
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                15.60
             |                                 
            
                3,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2008
             | 
            
                +0.30 / +2.00%
             |             
            
                15.30
             |           
            
                15.30
             |               
            
                15.30
             |                           
            
                15.30
             | 
            
                15.30
             |                     
            
                15.30
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2008
             | 
            
                +0.20 / +1.35%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                15.00
             |                                 
            
                3,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2008
             | 
            
                +0.20 / +1.37%
             |             
            
                14.80
             |           
            
                14.80
             |               
            
                14.80
             |                           
            
                14.80
             | 
            
                14.80
             |                     
            
                14.80
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2008
             | 
            
                +0.20 / +1.39%
             |             
            
                14.60
             |           
            
                14.60
             |               
            
                14.60
             |                           
            
                14.60
             | 
            
                14.60
             |                     
            
                14.60
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2008
             | 
            
                -0.20 / -1.37%
             |             
            
                14.40
             |           
            
                14.40
             |               
            
                14.40
             |                           
            
                14.40
             | 
            
                14.40
             |                     
            
                14.40
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2008
             | 
            
                +0.20 / +1.39%
             |             
            
                13.90
             |           
            
                14.70
             |               
            
                13.20
             |                           
            
                14.60
             | 
            
                14.60
             |                     
            
                14.60
             |                                 
            
                24,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2008
             | 
            
                -0.60 / -4.00%
             |             
            
                14.50
             |           
            
                14.50
             |               
            
                13.50
             |                           
            
                14.40
             | 
            
                14.40
             |                     
            
                14.40
             |                                 
            
                16,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2008
             | 
            
                -0.80 / -5.06%
             |             
            
                15.20
             |           
            
                15.20
             |               
            
                14.50
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                15.00
             |                                 
            
                21,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2008
             | 
            
                +0.30 / +1.94%
             |             
            
                15.30
             |           
            
                15.80
             |               
            
                15.20
             |                           
            
                15.80
             | 
            
                15.80
             |                     
            
                15.80
             |                                 
            
                38,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2008
             | 
            
                +0.10 / +0.65%
             |             
            
                15.50
             |           
            
                16.40
             |               
            
                15.00
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                15.50
             |                                 
            
                20,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2008
             | 
            
                -0.10 / -0.65%
             |             
            
                14.20
             |           
            
                16.90
             |               
            
                14.10
             |                           
            
                15.40
             | 
            
                15.40
             |                     
            
                15.40
             |                                 
            
                20,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2008
             | 
            
                -1.60 / -9.36%
             |             
            
                17.00
             |           
            
                17.00
             |               
            
                15.50
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                15.50
             |                                 
            
                27,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2008
             | 
            
                -1.40 / -7.57%
             |             
            
                17.50
             |           
            
                17.60
             |               
            
                17.10
             |                           
            
                17.10
             | 
            
                17.10
             |                     
            
                17.10
             |                                 
            
                20,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2008
             | 
            
                -0.60 / -3.14%
             |             
            
                19.00
             |           
            
                19.20
             |               
            
                18.10
             |                           
            
                18.50
             | 
            
                18.50
             |                     
            
                18.50
             |                                 
            
                8,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2008
             | 
            
                +0.10 / +0.53%
             |             
            
                18.70
             |           
            
                20.00
             |               
            
                18.70
             |                           
            
                19.10
             | 
            
                19.10
             |                     
            
                19.10
             |                                 
            
                7,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |