| 
                 
                    Closing price on 2/5/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    12.80 | 
                 
                
                    | High | 
                    13.10 | 
                 
                
                    | Low | 
                    12.80 | 
                     
                
                    | Volume | 
                    27,000 | 
                                 
                
                    | Split-adjusted Price | 
                    1.49 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SD5 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/5/2013
             | 
            
                -0.10 / -0.76%
             |             
            
                12.80
             |           
            
                13.10
             |               
            
                12.80
             |                           
            
                13.00
             | 
            
                13.00
             |                     
            
                1.49
             |                                 
            
                27,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/4/2013
             | 
            
                +0.10 / +0.77%
             |             
            
                13.20
             |           
            
                13.30
             |               
            
                13.00
             |                           
            
                13.10
             | 
            
                13.10
             |                     
            
                1.50
             |                                 
            
                85,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/1/2013
             | 
            
                -0.10 / -0.76%
             |             
            
                13.00
             |           
            
                13.20
             |               
            
                12.80
             |                           
            
                13.00
             | 
            
                13.00
             |                     
            
                1.49
             |                                 
            
                42,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/31/2013
             | 
            
                0.00 / 0.00%
             |             
            
                13.10
             |           
            
                13.40
             |               
            
                12.90
             |                           
            
                13.10
             | 
            
                13.10
             |                     
            
                1.50
             |                                 
            
                61,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/30/2013
             | 
            
                +0.80 / +6.50%
             |             
            
                12.60
             |           
            
                13.50
             |               
            
                12.60
             |                           
            
                13.10
             | 
            
                13.10
             |                     
            
                1.50
             |                                 
            
                261,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/29/2013
             | 
            
                -0.10 / -0.81%
             |             
            
                12.40
             |           
            
                12.60
             |               
            
                12.20
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                1.41
             |                                 
            
                205,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/28/2013
             | 
            
                +0.20 / +1.64%
             |             
            
                12.50
             |           
            
                13.10
             |               
            
                12.40
             |                           
            
                12.40
             | 
            
                12.40
             |                     
            
                1.42
             |                                 
            
                184,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2013
             | 
            
                +0.60 / +5.17%
             |             
            
                12.20
             |           
            
                12.70
             |               
            
                11.40
             |                           
            
                12.20
             | 
            
                12.20
             |                     
            
                1.40
             |                                 
            
                343,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/24/2013
             | 
            
                +0.40 / +3.57%
             |             
            
                11.50
             |           
            
                11.60
             |               
            
                11.30
             |                           
            
                11.60
             | 
            
                11.60
             |                     
            
                1.33
             |                                 
            
                33,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/23/2013
             | 
            
                0.00 / 0.00%
             |             
            
                11.20
             |           
            
                11.60
             |               
            
                11.20
             |                           
            
                11.20
             | 
            
                11.20
             |                     
            
                1.29
             |                                 
            
                69,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/22/2013
             | 
            
                +0.10 / +0.90%
             |             
            
                11.00
             |           
            
                11.30
             |               
            
                10.70
             |                           
            
                11.20
             | 
            
                11.20
             |                     
            
                1.29
             |                                 
            
                84,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2013
             | 
            
                -1.10 / -9.02%
             |             
            
                12.20
             |           
            
                12.20
             |               
            
                11.00
             |                           
            
                11.10
             | 
            
                11.10
             |                     
            
                1.27
             |                                 
            
                247,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2013
             | 
            
                +0.10 / +0.83%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                11.80
             |                           
            
                12.20
             | 
            
                12.20
             |                     
            
                1.40
             |                                 
            
                93,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/17/2013
             | 
            
                +1.10 / +10.00%
             |             
            
                11.80
             |           
            
                12.10
             |               
            
                11.80
             |                           
            
                12.10
             | 
            
                12.10
             |                     
            
                1.39
             |                                 
            
                361,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/16/2013
             | 
            
                +1.00 / +10.00%
             |             
            
                10.20
             |           
            
                11.00
             |               
            
                10.00
             |                           
            
                11.00
             | 
            
                11.00
             |                     
            
                1.26
             |                                 
            
                926,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/15/2013
             | 
            
                +0.20 / +2.04%
             |             
            
                10.00
             |           
            
                10.30
             |               
            
                10.00
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                1.15
             |                                 
            
                127,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/14/2013
             | 
            
                -0.10 / -1.01%
             |             
            
                9.90
             |           
            
                9.90
             |               
            
                9.50
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                1.13
             |                                 
            
                8,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2013
             | 
            
                +0.10 / +1.02%
             |             
            
                9.90
             |           
            
                10.00
             |               
            
                9.50
             |                           
            
                9.90
             | 
            
                9.90
             |                     
            
                1.14
             |                                 
            
                2,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/10/2013
             | 
            
                -0.10 / -1.01%
             |             
            
                9.40
             |           
            
                9.80
             |               
            
                9.40
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                1.13
             |                                 
            
                6,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/9/2013
             | 
            
                -0.30 / -2.94%
             |             
            
                10.20
             |           
            
                10.40
             |               
            
                9.90
             |                           
            
                9.90
             | 
            
                9.90
             |                     
            
                1.14
             |                                 
            
                23,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/8/2013
             | 
            
                +0.20 / +2.00%
             |             
            
                10.20
             |           
            
                10.30
             |               
            
                10.00
             |                           
            
                10.20
             | 
            
                10.20
             |                     
            
                1.17
             |                                 
            
                8,908
             |            
            
                 
             |                                       
         
    
        
            | 
                1/7/2013
             | 
            
                0.00 / 0.00%
             |             
            
                10.00
             |           
            
                10.30
             |               
            
                10.00
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                1.15
             |                                 
            
                10,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2013
             | 
            
                +0.30 / +3.09%
             |             
            
                10.00
             |           
            
                10.00
             |               
            
                9.70
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                1.15
             |                                 
            
                4,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/3/2013
             | 
            
                -0.50 / -4.90%
             |             
            
                10.40
             |           
            
                10.40
             |               
            
                9.70
             |                           
            
                9.70
             | 
            
                9.70
             |                     
            
                1.11
             |                                 
            
                17,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/2/2013
             | 
            
                -0.60 / -5.56%
             |             
            
                10.30
             |           
            
                10.60
             |               
            
                10.20
             |                           
            
                10.20
             | 
            
                10.20
             |                     
            
                1.17
             |                                 
            
                13,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/28/2012
             | 
            
                +0.30 / +2.86%
             |             
            
                11.00
             |           
            
                11.00
             |               
            
                10.50
             |                           
            
                10.80
             | 
            
                10.80
             |                     
            
                1.24
             |                                 
            
                7,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/27/2012
             | 
            
                +0.40 / +3.96%
             |             
            
                9.60
             |           
            
                10.50
             |               
            
                9.60
             |                           
            
                10.50
             | 
            
                10.50
             |                     
            
                1.21
             |                                 
            
                10,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/26/2012
             | 
            
                +0.50 / +5.21%
             |             
            
                10.10
             |           
            
                10.20
             |               
            
                9.40
             |                           
            
                10.10
             | 
            
                10.10
             |                     
            
                1.16
             |                                 
            
                12,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/25/2012
             | 
            
                +0.60 / +6.67%
             |             
            
                9.50
             |           
            
                9.60
             |               
            
                9.20
             |                           
            
                9.60
             | 
            
                9.60
             |                     
            
                1.10
             |                                 
            
                24,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/24/2012
             | 
            
                -0.10 / -1.10%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                1.03
             |                                 
            
                7,600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |