| 
                 
                    Closing price on 5/3/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    17.30 | 
                 
                
                    | High | 
                    18.20 | 
                 
                
                    | Low | 
                    17.30 | 
                     
                
                    | Volume | 
                    22,900 | 
                                 
                
                    | Split-adjusted Price | 
                    2.08 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SD5 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/3/2013
             | 
            
                +0.80 / +4.62%
             |             
            
                17.30
             |           
            
                18.20
             |               
            
                17.30
             |                           
            
                18.10
             | 
            
                18.10
             |                     
            
                2.08
             |                                 
            
                22,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/2/2013
             | 
            
                -0.30 / -1.70%
             |             
            
                17.20
             |           
            
                17.40
             |               
            
                17.20
             |                           
            
                17.30
             | 
            
                17.30
             |                     
            
                1.99
             |                                 
            
                3,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2013
             | 
            
                +0.90 / +5.39%
             |             
            
                17.70
             |           
            
                17.70
             |               
            
                16.10
             |                           
            
                17.60
             | 
            
                17.60
             |                     
            
                2.02
             |                                 
            
                11,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2013
             | 
            
                -0.10 / -0.60%
             |             
            
                16.50
             |           
            
                16.70
             |               
            
                16.10
             |                           
            
                16.70
             | 
            
                16.70
             |                     
            
                1.92
             |                                 
            
                38,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2013
             | 
            
                0.00 / 0.00%
             |             
            
                17.10
             |           
            
                17.10
             |               
            
                15.30
             |                           
            
                16.80
             | 
            
                16.80
             |                     
            
                1.93
             |                                 
            
                92,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2013
             | 
            
                -0.30 / -1.75%
             |             
            
                17.30
             |           
            
                17.60
             |               
            
                16.70
             |                           
            
                16.80
             | 
            
                16.80
             |                     
            
                1.93
             |                                 
            
                42,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2013
             | 
            
                -1.90 / -10.00%
             |             
            
                18.50
             |           
            
                19.20
             |               
            
                16.90
             |                           
            
                17.10
             | 
            
                17.10
             |                     
            
                1.96
             |                                 
            
                23,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2013
             | 
            
                -0.50 / -2.56%
             |             
            
                18.40
             |           
            
                19.00
             |               
            
                17.70
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                2.18
             |                                 
            
                36,928
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2013
             | 
            
                +1.00 / +5.41%
             |             
            
                18.60
             |           
            
                20.30
             |               
            
                18.30
             |                           
            
                19.50
             | 
            
                19.50
             |                     
            
                2.24
             |                                 
            
                340,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2013
             | 
            
                +1.40 / +8.19%
             |             
            
                16.90
             |           
            
                18.50
             |               
            
                16.90
             |                           
            
                18.50
             | 
            
                18.50
             |                     
            
                2.12
             |                                 
            
                152,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2013
             | 
            
                +0.20 / +1.18%
             |             
            
                16.90
             |           
            
                17.30
             |               
            
                16.80
             |                           
            
                17.10
             | 
            
                17.10
             |                     
            
                1.96
             |                                 
            
                104,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2013
             | 
            
                -0.80 / -4.52%
             |             
            
                17.00
             |           
            
                17.20
             |               
            
                16.80
             |                           
            
                16.90
             | 
            
                16.90
             |                     
            
                1.94
             |                                 
            
                128,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2013
             | 
            
                +1.20 / +7.27%
             |             
            
                16.60
             |           
            
                17.80
             |               
            
                16.60
             |                           
            
                17.70
             | 
            
                17.70
             |                     
            
                2.03
             |                                 
            
                67,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2013
             | 
            
                -0.20 / -1.20%
             |             
            
                16.60
             |           
            
                16.70
             |               
            
                16.40
             |                           
            
                16.50
             | 
            
                16.50
             |                     
            
                1.89
             |                                 
            
                234,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2013
             | 
            
                +0.60 / +3.73%
             |             
            
                16.10
             |           
            
                16.70
             |               
            
                16.10
             |                           
            
                16.70
             | 
            
                16.70
             |                     
            
                1.92
             |                                 
            
                66,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2013
             | 
            
                +1.00 / +6.62%
             |             
            
                15.90
             |           
            
                16.10
             |               
            
                15.80
             |                           
            
                16.10
             | 
            
                16.10
             |                     
            
                1.85
             |                                 
            
                113,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2013
             | 
            
                +0.10 / +0.67%
             |             
            
                14.80
             |           
            
                15.60
             |               
            
                14.70
             |                           
            
                15.10
             | 
            
                15.10
             |                     
            
                1.73
             |                                 
            
                61,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2013
             | 
            
                -0.60 / -3.85%
             |             
            
                15.50
             |           
            
                15.60
             |               
            
                14.30
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                1.72
             |                                 
            
                94,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2013
             | 
            
                -0.60 / -3.70%
             |             
            
                16.20
             |           
            
                16.20
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                1.79
             |                                 
            
                114,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2013
             | 
            
                +0.10 / +0.62%
             |             
            
                16.20
             |           
            
                16.80
             |               
            
                16.00
             |                           
            
                16.20
             | 
            
                16.20
             |                     
            
                1.86
             |                                 
            
                55,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2013
             | 
            
                +0.50 / +3.21%
             |             
            
                16.00
             |           
            
                16.40
             |               
            
                15.70
             |                           
            
                16.10
             | 
            
                16.10
             |                     
            
                1.85
             |                                 
            
                242,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2013
             | 
            
                0.00 / 0.00%
             |             
            
                15.90
             |           
            
                16.00
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                1.79
             |                                 
            
                103,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2013
             | 
            
                -0.10 / -0.64%
             |             
            
                15.70
             |           
            
                16.00
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                1.79
             |                                 
            
                63,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2013
             | 
            
                +0.10 / +0.64%
             |             
            
                15.70
             |           
            
                15.70
             |               
            
                15.50
             |                           
            
                15.70
             | 
            
                15.70
             |                     
            
                1.80
             |                                 
            
                18,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2013
             | 
            
                -0.70 / -4.29%
             |             
            
                16.30
             |           
            
                16.70
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                1.79
             |                                 
            
                35,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2013
             | 
            
                +1.30 / +8.67%
             |             
            
                14.90
             |           
            
                16.30
             |               
            
                14.90
             |                           
            
                16.30
             | 
            
                16.30
             |                     
            
                1.87
             |                                 
            
                290,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2013
             | 
            
                +0.30 / +2.04%
             |             
            
                15.00
             |           
            
                15.30
             |               
            
                14.60
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                1.72
             |                                 
            
                81,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2013
             | 
            
                -0.20 / -1.34%
             |             
            
                14.60
             |           
            
                14.70
             |               
            
                14.60
             |                           
            
                14.70
             | 
            
                14.70
             |                     
            
                1.69
             |                                 
            
                17,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2013
             | 
            
                -0.10 / -0.67%
             |             
            
                14.50
             |           
            
                14.90
             |               
            
                14.50
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                1.71
             |                                 
            
                12,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2013
             | 
            
                +0.40 / +2.74%
             |             
            
                14.20
             |           
            
                15.00
             |               
            
                14.00
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                1.72
             |                                 
            
                40,200
             |  
            
                 
             |                                                              
             
    
         
    
    
 |