| 
                 
                    Closing price on 3/22/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    61.50 | 
                 
                
                    | High | 
                    62.00 | 
                 
                
                    | Low | 
                    61.00 | 
                     
                
                    | Volume | 
                    23,500 | 
                                 
                
                    | Split-adjusted Price | 
                    10.74 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SRC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/22/2010
             | 
            
                -0.50 / -0.81%
             |             
            
                61.50
             |           
            
                62.00
             |               
            
                61.00
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                10.74
             |                                 
            
                23,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2010
             | 
            
                -1.50 / -2.38%
             |             
            
                62.00
             |           
            
                62.00
             |               
            
                61.50
             |                           
            
                61.50
             | 
            
                61.50
             |                     
            
                10.83
             |                                 
            
                24,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2010
             | 
            
                +2.00 / +3.28%
             |             
            
                63.00
             |           
            
                63.00
             |               
            
                61.00
             |                           
            
                63.00
             | 
            
                63.00
             |                     
            
                11.09
             |                                 
            
                16,640
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2010
             | 
            
                -0.50 / -0.81%
             |             
            
                61.50
             |           
            
                62.50
             |               
            
                61.00
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                10.74
             |                                 
            
                26,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2010
             | 
            
                -2.00 / -3.15%
             |             
            
                63.50
             |           
            
                63.50
             |               
            
                61.50
             |                           
            
                61.50
             | 
            
                61.50
             |                     
            
                10.83
             |                                 
            
                70,140
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2010
             | 
            
                +1.00 / +1.60%
             |             
            
                64.00
             |           
            
                64.50
             |               
            
                63.00
             |                           
            
                63.50
             | 
            
                63.50
             |                     
            
                11.18
             |                                 
            
                64,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2010
             | 
            
                -0.50 / -0.79%
             |             
            
                63.50
             |           
            
                63.50
             |               
            
                62.50
             |                           
            
                62.50
             | 
            
                62.50
             |                     
            
                11.01
             |                                 
            
                34,880
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2010
             | 
            
                -0.50 / -0.79%
             |             
            
                63.50
             |           
            
                64.50
             |               
            
                63.00
             |                           
            
                63.00
             | 
            
                63.00
             |                     
            
                11.09
             |                                 
            
                32,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/10/2010
             | 
            
                -1.50 / -2.31%
             |             
            
                64.00
             |           
            
                65.00
             |               
            
                63.50
             |                           
            
                63.50
             | 
            
                63.50
             |                     
            
                11.18
             |                                 
            
                87,840
             |            
            
                 
             |                                       
         
    
        
            | 
                3/9/2010
             | 
            
                +1.00 / +1.56%
             |             
            
                66.00
             |           
            
                66.50
             |               
            
                65.00
             |                           
            
                65.00
             | 
            
                65.00
             |                     
            
                11.45
             |                                 
            
                153,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2010
             | 
            
                +3.00 / +4.92%
             |             
            
                61.50
             |           
            
                64.00
             |               
            
                61.00
             |                           
            
                64.00
             | 
            
                64.00
             |                     
            
                11.27
             |                                 
            
                117,240
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2010
             | 
            
                -0.50 / -0.81%
             |             
            
                61.50
             |           
            
                61.50
             |               
            
                60.50
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                10.74
             |                                 
            
                28,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2010
             | 
            
                +2.00 / +3.36%
             |             
            
                60.50
             |           
            
                62.00
             |               
            
                60.00
             |                           
            
                61.50
             | 
            
                61.50
             |                     
            
                10.83
             |                                 
            
                77,810
             |            
            
                 
             |                                       
         
    
        
            | 
                3/3/2010
             | 
            
                +0.50 / +0.85%
             |             
            
                60.00
             |           
            
                60.00
             |               
            
                59.00
             |                           
            
                59.50
             | 
            
                59.50
             |                     
            
                10.48
             |                                 
            
                11,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/2/2010
             | 
            
                0.00 / 0.00%
             |             
            
                60.00
             |           
            
                60.50
             |               
            
                59.00
             |                           
            
                59.00
             | 
            
                59.00
             |                     
            
                10.39
             |                                 
            
                22,560
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2010
             | 
            
                0.00 / 0.00%
             |             
            
                59.00
             |           
            
                59.00
             |               
            
                58.50
             |                           
            
                59.00
             | 
            
                59.00
             |                     
            
                10.39
             |                                 
            
                10,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2010
             | 
            
                +0.50 / +0.85%
             |             
            
                59.00
             |           
            
                59.00
             |               
            
                57.00
             |                           
            
                59.00
             | 
            
                59.00
             |                     
            
                10.39
             |                                 
            
                13,880
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2010
             | 
            
                -1.00 / -1.68%
             |             
            
                61.00
             |           
            
                61.00
             |               
            
                58.50
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                10.30
             |                                 
            
                11,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/24/2010
             | 
            
                +1.00 / +1.71%
             |             
            
                58.50
             |           
            
                60.00
             |               
            
                58.00
             |                           
            
                59.50
             | 
            
                59.50
             |                     
            
                10.48
             |                                 
            
                6,030
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2010
             | 
            
                -3.00 / -4.88%
             |             
            
                61.50
             |           
            
                61.50
             |               
            
                58.50
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                10.30
             |                                 
            
                16,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2010
             | 
            
                0.00 / 0.00%
             |             
            
                61.50
             |           
            
                63.00
             |               
            
                61.50
             |                           
            
                61.50
             | 
            
                61.50
             |                     
            
                10.83
             |                                 
            
                3,930
             |            
            
                 
             |                                       
         
    
        
            | 
                2/12/2010
             | 
            
                +1.00 / +1.65%
             |             
            
                62.00
             |           
            
                62.00
             |               
            
                61.00
             |                           
            
                61.50
             | 
            
                61.50
             |                     
            
                10.83
             |                                 
            
                16,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/11/2010
             | 
            
                0.00 / 0.00%
             |             
            
                60.50
             |           
            
                60.50
             |               
            
                60.50
             |                           
            
                60.50
             | 
            
                60.50
             |                     
            
                10.65
             |                                 
            
                10,820
             |            
            
                 
             |                                       
         
    
        
            | 
                2/10/2010
             | 
            
                +2.50 / +4.31%
             |             
            
                58.00
             |           
            
                60.50
             |               
            
                58.00
             |                           
            
                60.50
             | 
            
                60.50
             |                     
            
                10.65
             |                                 
            
                5,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/9/2010
             | 
            
                -3.00 / -4.92%
             |             
            
                60.00
             |           
            
                60.00
             |               
            
                58.00
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                10.21
             |                                 
            
                20,150
             |            
            
                 
             |                                       
         
    
        
            | 
                2/8/2010
             | 
            
                -1.50 / -2.40%
             |             
            
                63.00
             |           
            
                63.00
             |               
            
                59.50
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                10.74
             |                                 
            
                5,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/5/2010
             | 
            
                -0.50 / -0.79%
             |             
            
                62.00
             |           
            
                63.50
             |               
            
                61.00
             |                           
            
                62.50
             | 
            
                62.50
             |                     
            
                10.79
             |                                 
            
                57,770
             |            
            
                 
             |                                       
         
    
        
            | 
                2/4/2010
             | 
            
                +0.50 / +0.80%
             |             
            
                61.00
             |           
            
                64.00
             |               
            
                61.00
             |                           
            
                63.00
             | 
            
                63.00
             |                     
            
                10.88
             |                                 
            
                42,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/3/2010
             | 
            
                +1.50 / +2.46%
             |             
            
                61.50
             |           
            
                62.50
             |               
            
                60.50
             |                           
            
                62.50
             | 
            
                62.50
             |                     
            
                10.79
             |                                 
            
                31,640
             |            
            
                 
             |                                       
         
    
        
            | 
                2/2/2010
             | 
            
                +1.00 / +1.67%
             |             
            
                60.00
             |           
            
                61.50
             |               
            
                60.00
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                10.54
             |                                 
            
                36,660
             |  
            
                 
             |                                                              
             
    
         
    
    
 |