| 
			 
				
					
						
    
        
            | 
                 
                    Closing price on 12/22/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    5.90 | 
                 
                
                    | High | 
                    6.60 | 
                 
                
                    | Low | 
                    5.90 | 
                     
                
                    | Volume | 
                    2,000 | 
                                 
                
                    | Split-adjusted Price | 
                    1.61 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DC4 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/22/2011
             | 
            
                -0.10 / -1.67%
             |             
            
                5.90
             |           
            
                6.60
             |               
            
                5.90
             |                           
            
                5.90
             | 
            
                5.90
             |                     
            
                1.61
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2011
             | 
            
                0.00 / 0.00%
             |             
            
                6.00
             |           
            
                6.70
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                1.64
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2011
             | 
            
                -0.20 / -3.23%
             |             
            
                6.50
             |           
            
                7.20
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.13
             |                     
            
                1.64
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/19/2011
             | 
            
                0.00 / 0.00%
             |             
            
                6.20
             |           
            
                6.90
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                1.70
             |                                 
            
                96,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/16/2011
             | 
            
                -0.30 / -4.62%
             |             
            
                6.20
             |           
            
                6.90
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                1.70
             |                                 
            
                1,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/15/2011
             | 
            
                -0.40 / -5.80%
             |             
            
                6.50
             |           
            
                7.20
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                1.78
             |                                 
            
                9,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/14/2011
             | 
            
                +0.30 / +4.55%
             |             
            
                6.90
             |           
            
                7.70
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                1.89
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2011
             | 
            
                0.00 / 0.00%
             |             
            
                6.60
             |           
            
                7.30
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                1.81
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2011
             | 
            
                0.00 / 0.00%
             |             
            
                6.60
             |           
            
                7.30
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                1.81
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                12/9/2011
             | 
            
                0.00 / 0.00%
             |             
            
                6.60
             |           
            
                7.30
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                1.81
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2011
             | 
            
                0.00 / 0.00%
             |             
            
                6.60
             |           
            
                7.30
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                1.81
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2011
             | 
            
                +0.40 / +6.45%
             |             
            
                6.60
             |           
            
                7.30
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                1.81
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2011
             | 
            
                -0.30 / -4.62%
             |             
            
                6.20
             |           
            
                6.90
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                1.70
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2011
             | 
            
                +0.60 / +10.17%
             |             
            
                6.50
             |           
            
                7.20
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                1.78
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/2/2011
             | 
            
                -0.40 / -6.35%
             |             
            
                6.30
             |           
            
                7.00
             |               
            
                5.90
             |                           
            
                5.90
             | 
            
                6.09
             |                     
            
                1.61
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2011
             | 
            
                -0.10 / -1.56%
             |             
            
                6.30
             |           
            
                7.00
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                1.72
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2011
             | 
            
                -0.40 / -5.88%
             |             
            
                6.70
             |           
            
                7.40
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.56
             |                     
            
                1.75
             |                                 
            
                4,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2011
             | 
            
                0.00 / 0.00%
             |             
            
                6.80
             |           
            
                7.60
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                1.86
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2011
             | 
            
                0.00 / 0.00%
             |             
            
                6.80
             |           
            
                7.60
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                1.86
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                11/25/2011
             | 
            
                +0.20 / +3.03%
             |             
            
                7.00
             |           
            
                7.80
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.83
             |                     
            
                1.86
             |                                 
            
                700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2011
             | 
            
                -0.30 / -4.35%
             |             
            
                7.00
             |           
            
                7.80
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.61
             |                     
            
                1.81
             |                                 
            
                4,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2011
             | 
            
                +0.40 / +6.15%
             |             
            
                6.90
             |           
            
                7.70
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                1.89
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2011
             | 
            
                -0.20 / -2.99%
             |             
            
                6.50
             |           
            
                7.20
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                1.78
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2011
             | 
            
                -0.20 / -2.90%
             |             
            
                6.70
             |           
            
                7.40
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                1.83
             |                                 
            
                2,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/18/2011
             | 
            
                -0.10 / -1.43%
             |             
            
                6.80
             |           
            
                7.70
             |               
            
                6.80
             |                           
            
                6.90
             | 
            
                6.88
             |                     
            
                1.89
             |                                 
            
                4,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2011
             | 
            
                -0.20 / -2.78%
             |             
            
                6.90
             |           
            
                7.80
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                6.94
             |                     
            
                1.92
             |                                 
            
                2,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2011
             | 
            
                -0.10 / -1.37%
             |             
            
                7.30
             |           
            
                8.10
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.26
             |                     
            
                1.97
             |                                 
            
                5,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2011
             | 
            
                0.00 / 0.00%
             |             
            
                7.30
             |           
            
                8.10
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                2.00
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2011
             | 
            
                +0.20 / +2.82%
             |             
            
                7.30
             |           
            
                8.10
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                2.00
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/11/2011
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.90
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                1.94
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
         
    
    
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