| 
                 
                    Closing price on 3/12/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    13.50 | 
                 
                
                    | High | 
                    13.60 | 
                 
                
                    | Low | 
                    13.30 | 
                     
                
                    | Volume | 
                    10,300 | 
                                 
                
                    | Split-adjusted Price | 
                    1.53 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SD5 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/12/2013
             | 
            
                -0.20 / -1.48%
             |             
            
                13.50
             |           
            
                13.60
             |               
            
                13.30
             |                           
            
                13.30
             | 
            
                13.30
             |                     
            
                1.53
             |                                 
            
                10,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2013
             | 
            
                0.00 / 0.00%
             |             
            
                13.50
             |           
            
                13.60
             |               
            
                13.50
             |                           
            
                13.50
             | 
            
                13.50
             |                     
            
                1.55
             |                                 
            
                26,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2013
             | 
            
                -0.20 / -1.46%
             |             
            
                13.50
             |           
            
                13.50
             |               
            
                13.30
             |                           
            
                13.50
             | 
            
                13.50
             |                     
            
                1.55
             |                                 
            
                9,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2013
             | 
            
                -0.10 / -0.72%
             |             
            
                13.80
             |           
            
                13.90
             |               
            
                13.40
             |                           
            
                13.70
             | 
            
                13.70
             |                     
            
                1.57
             |                                 
            
                17,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2013
             | 
            
                +0.40 / +2.99%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                13.30
             |                           
            
                13.80
             | 
            
                13.80
             |                     
            
                1.58
             |                                 
            
                7,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2013
             | 
            
                -0.10 / -0.74%
             |             
            
                13.50
             |           
            
                13.50
             |               
            
                13.10
             |                           
            
                13.40
             | 
            
                13.40
             |                     
            
                1.54
             |                                 
            
                12,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2013
             | 
            
                -0.10 / -0.74%
             |             
            
                13.50
             |           
            
                13.60
             |               
            
                13.40
             |                           
            
                13.50
             | 
            
                13.50
             |                     
            
                1.55
             |                                 
            
                49,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2013
             | 
            
                +0.10 / +0.74%
             |             
            
                13.60
             |           
            
                14.00
             |               
            
                13.60
             |                           
            
                13.60
             | 
            
                13.60
             |                     
            
                1.56
             |                                 
            
                9,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2013
             | 
            
                -0.30 / -2.17%
             |             
            
                13.10
             |           
            
                13.90
             |               
            
                13.10
             |                           
            
                13.50
             | 
            
                13.50
             |                     
            
                1.55
             |                                 
            
                23,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2013
             | 
            
                +0.10 / +0.73%
             |             
            
                13.60
             |           
            
                13.80
             |               
            
                13.00
             |                           
            
                13.80
             | 
            
                13.80
             |                     
            
                1.58
             |                                 
            
                43,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2013
             | 
            
                -0.10 / -0.72%
             |             
            
                13.70
             |           
            
                14.10
             |               
            
                13.50
             |                           
            
                13.70
             | 
            
                13.70
             |                     
            
                1.57
             |                                 
            
                99,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2013
             | 
            
                +1.10 / +8.66%
             |             
            
                13.20
             |           
            
                13.90
             |               
            
                13.20
             |                           
            
                13.80
             | 
            
                13.80
             |                     
            
                1.58
             |                                 
            
                23,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2013
             | 
            
                -0.70 / -5.22%
             |             
            
                13.70
             |           
            
                14.30
             |               
            
                12.50
             |                           
            
                12.70
             | 
            
                12.70
             |                     
            
                1.46
             |                                 
            
                81,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2013
             | 
            
                -1.20 / -8.22%
             |             
            
                14.70
             |           
            
                15.00
             |               
            
                13.30
             |                           
            
                13.40
             | 
            
                13.40
             |                     
            
                1.54
             |                                 
            
                104,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/20/2013
             | 
            
                +1.00 / +7.35%
             |             
            
                14.00
             |           
            
                14.90
             |               
            
                14.00
             |                           
            
                14.60
             | 
            
                14.60
             |                     
            
                1.68
             |                                 
            
                55,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/19/2013
             | 
            
                -0.20 / -1.45%
             |             
            
                13.70
             |           
            
                13.80
             |               
            
                13.40
             |                           
            
                13.60
             | 
            
                13.60
             |                     
            
                1.56
             |                                 
            
                14,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/18/2013
             | 
            
                -0.10 / -0.72%
             |             
            
                14.20
             |           
            
                14.20
             |               
            
                13.70
             |                           
            
                13.80
             | 
            
                13.80
             |                     
            
                1.58
             |                                 
            
                9,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/8/2013
             | 
            
                +0.70 / +5.30%
             |             
            
                13.10
             |           
            
                14.20
             |               
            
                13.10
             |                           
            
                13.90
             | 
            
                13.90
             |                     
            
                1.60
             |                                 
            
                47,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/7/2013
             | 
            
                0.00 / 0.00%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                13.20
             |                           
            
                13.20
             | 
            
                13.20
             |                     
            
                1.52
             |                                 
            
                900
             |            
            
                 
             |                                       
         
    
        
            | 
                2/6/2013
             | 
            
                +0.20 / +1.54%
             |             
            
                13.00
             |           
            
                13.30
             |               
            
                12.80
             |                           
            
                13.20
             | 
            
                13.20
             |                     
            
                1.52
             |                                 
            
                38,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |