| 
                 
                    Closing price on 6/3/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    17.40 | 
                 
                
                    | High | 
                    18.70 | 
                 
                
                    | Low | 
                    17.40 | 
                     
                
                    | Volume | 
                    3,230 | 
                                 
                
                    | Split-adjusted Price | 
                    14.94 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SCD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/3/2013
             | 
            
                +0.20 / +1.08%
             |             
            
                17.40
             |           
            
                18.70
             |               
            
                17.40
             |                           
            
                18.70
             | 
            
                18.70
             |                     
            
                14.94
             |                                 
            
                3,230
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2013
             | 
            
                +0.10 / +0.54%
             |             
            
                18.00
             |           
            
                19.60
             |               
            
                18.00
             |                           
            
                18.50
             | 
            
                18.50
             |                     
            
                14.78
             |                                 
            
                3,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2013
             | 
            
                0.00 / 0.00%
             |             
            
                17.20
             |           
            
                18.40
             |               
            
                17.20
             |                           
            
                18.40
             | 
            
                18.40
             |                     
            
                14.70
             |                                 
            
                270
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2013
             | 
            
                -0.30 / -1.60%
             |             
            
                17.40
             |           
            
                18.40
             |               
            
                17.40
             |                           
            
                18.40
             | 
            
                18.40
             |                     
            
                14.70
             |                                 
            
                2,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2013
             | 
            
                +0.20 / +1.08%
             |             
            
                18.50
             |           
            
                18.70
             |               
            
                18.50
             |                           
            
                18.70
             | 
            
                18.70
             |                     
            
                14.94
             |                                 
            
                20
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2013
             | 
            
                -0.50 / -2.63%
             |             
            
                18.30
             |           
            
                18.50
             |               
            
                18.20
             |                           
            
                18.50
             | 
            
                18.50
             |                     
            
                14.78
             |                                 
            
                220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2013
             | 
            
                +1.10 / +6.15%
             |             
            
                16.80
             |           
            
                19.00
             |               
            
                16.80
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                15.18
             |                                 
            
                20
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2013
             | 
            
                0.00 / 0.00%
             |             
            
                17.90
             |           
            
                17.90
             |               
            
                17.90
             |                           
            
                17.90
             | 
            
                17.90
             |                     
            
                14.30
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2013
             | 
            
                0.00 / 0.00%
             |             
            
                17.90
             |           
            
                17.90
             |               
            
                16.70
             |                           
            
                17.90
             | 
            
                17.90
             |                     
            
                14.30
             |                                 
            
                6,330
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2013
             | 
            
                +0.60 / +3.47%
             |             
            
                16.10
             |           
            
                17.90
             |               
            
                16.10
             |                           
            
                17.90
             | 
            
                17.90
             |                     
            
                14.30
             |                                 
            
                350,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2013
             | 
            
                0.00 / 0.00%
             |             
            
                17.80
             |           
            
                17.80
             |               
            
                16.20
             |                           
            
                17.30
             | 
            
                17.30
             |                     
            
                13.82
             |                                 
            
                330
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2013
             | 
            
                -0.30 / -1.70%
             |             
            
                16.40
             |           
            
                17.50
             |               
            
                16.40
             |                           
            
                17.30
             | 
            
                17.30
             |                     
            
                13.82
             |                                 
            
                20,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2013
             | 
            
                -1.30 / -6.88%
             |             
            
                17.60
             |           
            
                18.30
             |               
            
                17.60
             |                           
            
                17.60
             | 
            
                17.60
             |                     
            
                14.06
             |                                 
            
                390
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2013
             | 
            
                -0.10 / -0.53%
             |             
            
                17.70
             |           
            
                19.00
             |               
            
                17.70
             |                           
            
                18.90
             | 
            
                18.90
             |                     
            
                15.10
             |                                 
            
                8,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2013
             | 
            
                +0.20 / +1.06%
             |             
            
                19.40
             |           
            
                19.40
             |               
            
                19.00
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                15.18
             |                                 
            
                650
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2013
             | 
            
                +0.50 / +2.73%
             |             
            
                18.70
             |           
            
                18.80
             |               
            
                18.00
             |                           
            
                18.80
             | 
            
                18.80
             |                     
            
                15.02
             |                                 
            
                3,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2013
             | 
            
                +0.60 / +3.39%
             |             
            
                16.60
             |           
            
                18.90
             |               
            
                16.60
             |                           
            
                18.30
             | 
            
                18.30
             |                     
            
                14.62
             |                                 
            
                650
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2013
             | 
            
                -1.30 / -6.84%
             |             
            
                18.00
             |           
            
                18.00
             |               
            
                17.70
             |                           
            
                17.70
             | 
            
                17.70
             |                     
            
                14.14
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/8/2013
             | 
            
                +1.20 / +6.74%
             |             
            
                18.80
             |           
            
                19.00
             |               
            
                18.70
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                15.18
             |                                 
            
                1,210
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2013
             | 
            
                +0.30 / +1.71%
             |             
            
                17.50
             |           
            
                18.00
             |               
            
                17.40
             |                           
            
                17.80
             | 
            
                17.80
             |                     
            
                14.22
             |                                 
            
                2,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2013
             | 
            
                +0.60 / +3.55%
             |             
            
                16.90
             |           
            
                17.80
             |               
            
                16.30
             |                           
            
                17.50
             | 
            
                17.50
             |                     
            
                13.98
             |                                 
            
                3,580
             |            
            
                 
             |                                       
         
    
        
            | 
                5/3/2013
             | 
            
                -0.90 / -5.06%
             |             
            
                17.60
             |           
            
                17.60
             |               
            
                16.60
             |                           
            
                16.90
             | 
            
                16.90
             |                     
            
                13.50
             |                                 
            
                13,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/2/2013
             | 
            
                +0.90 / +5.33%
             |             
            
                16.80
             |           
            
                18.00
             |               
            
                16.80
             |                           
            
                17.80
             | 
            
                17.80
             |                     
            
                14.22
             |                                 
            
                29,640
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2013
             | 
            
                0.00 / 0.00%
             |             
            
                17.90
             |           
            
                17.90
             |               
            
                16.00
             |                           
            
                16.90
             | 
            
                16.90
             |                     
            
                13.50
             |                                 
            
                10,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2013
             | 
            
                +1.10 / +6.96%
             |             
            
                15.80
             |           
            
                16.90
             |               
            
                15.60
             |                           
            
                16.90
             | 
            
                16.90
             |                     
            
                13.50
             |                                 
            
                42,590
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2013
             | 
            
                +1.00 / +6.76%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                15.80
             |                           
            
                15.80
             | 
            
                15.80
             |                     
            
                12.62
             |                                 
            
                17,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2013
             | 
            
                +0.90 / +6.47%
             |             
            
                14.00
             |           
            
                14.80
             |               
            
                14.00
             |                           
            
                14.80
             | 
            
                14.80
             |                     
            
                11.82
             |                                 
            
                20,690
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2013
             | 
            
                +0.90 / +6.92%
             |             
            
                13.50
             |           
            
                13.90
             |               
            
                13.30
             |                           
            
                13.90
             | 
            
                13.90
             |                     
            
                11.10
             |                                 
            
                13,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2013
             | 
            
                +0.70 / +5.69%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                13.00
             |                           
            
                13.00
             | 
            
                13.00
             |                     
            
                10.38
             |                                 
            
                110
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2013
             | 
            
                -0.80 / -6.11%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                12.30
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                9.83
             |                                 
            
                990
             |  
            
                 
             |                                                              
             
    
         
    
    
 |