| 
                 
                    Closing price on 7/31/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.00 | 
                 
                
                    | High | 
                    6.00 | 
                 
                
                    | Low | 
                    6.00 | 
                     
                
                    | Volume | 
                    0 | 
                                 
                
                    | Split-adjusted Price | 
                    6.00 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SD7 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/31/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                6.00
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/30/2013
             | 
            
                +0.10 / +1.69%
             |             
            
                5.80
             |           
            
                6.00
             |               
            
                5.70
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                6.00
             |                                 
            
                18,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/29/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                5.90
             |                           
            
                5.90
             | 
            
                5.90
             |                     
            
                5.90
             |                                 
            
                2,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2013
             | 
            
                -0.20 / -3.28%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                5.90
             |                           
            
                5.90
             | 
            
                5.90
             |                     
            
                5.90
             |                                 
            
                13,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/25/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.10
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                6.10
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2013
             | 
            
                -0.20 / -3.17%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.00
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                6.10
             |                                 
            
                8,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.20
             |           
            
                6.30
             |               
            
                6.20
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                6.30
             |                                 
            
                5,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/22/2013
             | 
            
                +0.10 / +1.61%
             |             
            
                6.20
             |           
            
                6.30
             |               
            
                6.20
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                6.30
             |                                 
            
                4,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.20
             |           
            
                6.30
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                6.20
             |                                 
            
                3,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2013
             | 
            
                -0.30 / -4.62%
             |             
            
                6.30
             |           
            
                6.50
             |               
            
                6.10
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                6.20
             |                                 
            
                18,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/17/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.10
             |           
            
                6.70
             |               
            
                6.10
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                6.50
             |                                 
            
                22,700
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2013
             | 
            
                -0.10 / -1.52%
             |             
            
                6.30
             |           
            
                6.50
             |               
            
                6.30
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                6.50
             |                                 
            
                9,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/15/2013
             | 
            
                -0.20 / -2.94%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.20
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                6.60
             |                                 
            
                13,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2013
             | 
            
                +0.40 / +6.25%
             |             
            
                6.50
             |           
            
                6.80
             |               
            
                6.30
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                6.80
             |                                 
            
                8,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/11/2013
             | 
            
                -0.20 / -3.03%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.20
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                6.40
             |                                 
            
                18,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/10/2013
             | 
            
                -0.20 / -2.94%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.30
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                6.60
             |                                 
            
                29,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/9/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.50
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                6.80
             |                                 
            
                8,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/8/2013
             | 
            
                +0.20 / +3.03%
             |             
            
                6.70
             |           
            
                7.10
             |               
            
                6.40
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                6.80
             |                                 
            
                18,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.40
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                6.60
             |                                 
            
                6,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.60
             |           
            
                6.70
             |               
            
                6.50
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                6.60
             |                                 
            
                4,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/3/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.70
             |           
            
                6.70
             |               
            
                6.40
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                6.60
             |                                 
            
                12,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.50
             |           
            
                6.70
             |               
            
                6.40
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                6.60
             |                                 
            
                61,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/1/2013
             | 
            
                -0.10 / -1.49%
             |             
            
                6.30
             |           
            
                6.60
             |               
            
                6.30
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                6.60
             |                                 
            
                31,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2013
             | 
            
                -0.10 / -1.47%
             |             
            
                6.70
             |           
            
                6.80
             |               
            
                6.60
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                6.70
             |                                 
            
                38,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/27/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.70
             |           
            
                7.00
             |               
            
                6.60
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                6.80
             |                                 
            
                20,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/26/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.40
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                6.80
             |                                 
            
                7,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/25/2013
             | 
            
                -0.30 / -4.23%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                6.40
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                6.80
             |                                 
            
                46,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/24/2013
             | 
            
                +0.10 / +1.43%
             |             
            
                6.90
             |           
            
                7.20
             |               
            
                6.70
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                7.10
             |                                 
            
                35,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2013
             | 
            
                +0.40 / +6.06%
             |             
            
                6.50
             |           
            
                7.00
             |               
            
                6.50
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                7.00
             |                                 
            
                44,776
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2013
             | 
            
                -0.20 / -2.94%
             |             
            
                6.60
             |           
            
                7.10
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                6.60
             |                                 
            
                36,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |