| 
                 
                    Closing price on 4/9/2015
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    29.00 | 
                 
                
                    | High | 
                    29.30 | 
                 
                
                    | Low | 
                    29.00 | 
                     
                
                    | Volume | 
                    2,200 | 
                                 
                
                    | Split-adjusted Price | 
                    4.79 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DBC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/9/2015
             | 
            
                +0.60 / +2.10%
             |             
            
                29.00
             |           
            
                29.30
             |               
            
                29.00
             |                           
            
                29.20
             | 
            
                29.01
             |                     
            
                4.79
             |                                 
            
                2,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2015
             | 
            
                -0.80 / -2.72%
             |             
            
                29.60
             |           
            
                29.60
             |               
            
                28.50
             |                           
            
                28.60
             | 
            
                29.36
             |                     
            
                4.69
             |                                 
            
                34,333
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2015
             | 
            
                0.00 / 0.00%
             |             
            
                29.60
             |           
            
                29.60
             |               
            
                28.90
             |                           
            
                29.40
             | 
            
                29.27
             |                     
            
                4.82
             |                                 
            
                40,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2015
             | 
            
                +0.40 / +1.38%
             |             
            
                29.00
             |           
            
                29.60
             |               
            
                29.00
             |                           
            
                29.40
             | 
            
                29.28
             |                     
            
                4.82
             |                                 
            
                218,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2015
             | 
            
                +0.20 / +0.69%
             |             
            
                29.20
             |           
            
                29.20
             |               
            
                28.40
             |                           
            
                29.00
             | 
            
                28.65
             |                     
            
                4.75
             |                                 
            
                39,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2015
             | 
            
                +0.50 / +1.77%
             |             
            
                28.30
             |           
            
                28.80
             |               
            
                27.70
             |                           
            
                28.80
             | 
            
                28.06
             |                     
            
                4.72
             |                                 
            
                69,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2015
             | 
            
                -0.60 / -2.08%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.00
             |                           
            
                28.30
             | 
            
                28.23
             |                     
            
                4.64
             |                                 
            
                34,133
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2015
             | 
            
                +0.40 / +1.40%
             |             
            
                28.50
             |           
            
                28.90
             |               
            
                28.50
             |                           
            
                28.90
             | 
            
                28.57
             |                     
            
                4.74
             |                                 
            
                24,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2015
             | 
            
                0.00 / 0.00%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                27.50
             |                           
            
                28.50
             | 
            
                27.99
             |                     
            
                4.67
             |                                 
            
                46,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2015
             | 
            
                -0.20 / -0.70%
             |             
            
                28.50
             |           
            
                28.90
             |               
            
                28.10
             |                           
            
                28.50
             | 
            
                28.52
             |                     
            
                4.67
             |                                 
            
                46,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2015
             | 
            
                -0.30 / -1.03%
             |             
            
                29.00
             |           
            
                29.00
             |               
            
                28.70
             |                           
            
                28.70
             | 
            
                28.87
             |                     
            
                4.71
             |                                 
            
                71,460
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2015
             | 
            
                -0.20 / -0.68%
             |             
            
                29.00
             |           
            
                29.10
             |               
            
                28.90
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                4.75
             |                                 
            
                9,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2015
             | 
            
                -0.10 / -0.34%
             |             
            
                29.70
             |           
            
                29.70
             |               
            
                28.90
             |                           
            
                29.20
             | 
            
                29.04
             |                     
            
                4.79
             |                                 
            
                38,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2015
             | 
            
                -0.40 / -1.35%
             |             
            
                29.50
             |           
            
                29.70
             |               
            
                29.30
             |                           
            
                29.30
             | 
            
                29.56
             |                     
            
                4.80
             |                                 
            
                34,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2015
             | 
            
                +0.20 / +0.68%
             |             
            
                29.10
             |           
            
                29.90
             |               
            
                29.00
             |                           
            
                29.70
             | 
            
                29.54
             |                     
            
                4.87
             |                                 
            
                75,466
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2015
             | 
            
                -0.10 / -0.34%
             |             
            
                29.60
             |           
            
                29.60
             |               
            
                29.20
             |                           
            
                29.50
             | 
            
                29.40
             |                     
            
                4.84
             |                                 
            
                53,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2015
             | 
            
                0.00 / 0.00%
             |             
            
                29.50
             |           
            
                29.80
             |               
            
                29.40
             |                           
            
                29.60
             | 
            
                29.60
             |                     
            
                4.85
             |                                 
            
                115,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2015
             | 
            
                -0.20 / -0.67%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                29.60
             |                           
            
                29.60
             | 
            
                29.74
             |                     
            
                4.85
             |                                 
            
                129,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2015
             | 
            
                -0.10 / -0.33%
             |             
            
                30.50
             |           
            
                30.50
             |               
            
                29.50
             |                           
            
                29.80
             | 
            
                29.58
             |                     
            
                4.89
             |                                 
            
                34,409
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2015
             | 
            
                0.00 / 0.00%
             |             
            
                29.90
             |           
            
                29.90
             |               
            
                29.60
             |                           
            
                29.90
             | 
            
                29.69
             |                     
            
                4.90
             |                                 
            
                32,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2015
             | 
            
                -0.10 / -0.33%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                29.70
             |                           
            
                29.90
             | 
            
                29.90
             |                     
            
                4.90
             |                                 
            
                86,467
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2015
             | 
            
                +0.20 / +0.67%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                29.70
             |                           
            
                30.00
             | 
            
                29.81
             |                     
            
                4.92
             |                                 
            
                61,043
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/10/2015
             | 
            
                -0.30 / -1.00%
             |             
            
                30.10
             |           
            
                30.10
             |               
            
                29.50
             |                           
            
                29.80
             | 
            
                29.93
             |                     
            
                4.89
             |                                 
            
                160,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/9/2015
             | 
            
                -0.40 / -1.31%
             |             
            
                30.50
             |           
            
                30.50
             |               
            
                29.80
             |                           
            
                30.10
             | 
            
                30.07
             |                     
            
                4.94
             |                                 
            
                139,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2015
             | 
            
                +0.50 / +1.67%
             |             
            
                30.20
             |           
            
                31.00
             |               
            
                30.20
             |                           
            
                30.50
             | 
            
                30.59
             |                     
            
                5.00
             |                                 
            
                220,838
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2015
             | 
            
                +0.50 / +1.69%
             |             
            
                29.70
             |           
            
                31.50
             |               
            
                29.70
             |                           
            
                30.00
             | 
            
                30.72
             |                     
            
                4.92
             |                                 
            
                407,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2015
             | 
            
                +0.10 / +0.34%
             |             
            
                29.60
             |           
            
                29.60
             |               
            
                29.40
             |                           
            
                29.50
             | 
            
                29.45
             |                     
            
                4.84
             |                                 
            
                92,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/3/2015
             | 
            
                0.00 / 0.00%
             |             
            
                29.50
             |           
            
                29.50
             |               
            
                29.10
             |                           
            
                29.40
             | 
            
                29.34
             |                     
            
                4.82
             |                                 
            
                82,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/2/2015
             | 
            
                +0.10 / +0.34%
             |             
            
                29.30
             |           
            
                29.40
             |               
            
                29.00
             |                           
            
                29.40
             | 
            
                29.07
             |                     
            
                4.82
             |                                 
            
                38,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2015
             | 
            
                0.00 / 0.00%
             |             
            
                29.30
             |           
            
                29.50
             |               
            
                29.00
             |                           
            
                29.30
             | 
            
                29.20
             |                     
            
                4.80
             |                                 
            
                37,900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |