| 
                 
                    Closing price on 11/7/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.80 | 
                 
                
                    | High | 
                    9.10 | 
                 
                
                    | Low | 
                    8.80 | 
                     
                
                    | Volume | 
                    96,400 | 
                                 
                
                    | Split-adjusted Price | 
                    8.90 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SD7 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/7/2013
             | 
            
                +0.10 / +1.14%
             |             
            
                8.80
             |           
            
                9.10
             |               
            
                8.80
             |                           
            
                8.90
             | 
            
                8.90
             |                     
            
                8.90
             |                                 
            
                96,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/6/2013
             | 
            
                0.00 / 0.00%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                8.50
             |                           
            
                8.80
             | 
            
                8.80
             |                     
            
                8.80
             |                                 
            
                36,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/5/2013
             | 
            
                -0.30 / -3.30%
             |             
            
                9.30
             |           
            
                9.50
             |               
            
                8.60
             |                           
            
                8.80
             | 
            
                8.80
             |                     
            
                8.80
             |                                 
            
                42,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/4/2013
             | 
            
                +0.70 / +8.33%
             |             
            
                8.80
             |           
            
                9.20
             |               
            
                8.80
             |                           
            
                9.10
             | 
            
                9.10
             |                     
            
                9.10
             |                                 
            
                87,722
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2013
             | 
            
                +0.70 / +9.09%
             |             
            
                7.80
             |           
            
                8.40
             |               
            
                7.80
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                8.40
             |                                 
            
                68,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2013
             | 
            
                +0.10 / +1.32%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.60
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                7.70
             |                                 
            
                51,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/30/2013
             | 
            
                +0.20 / +2.70%
             |             
            
                7.40
             |           
            
                7.60
             |               
            
                7.30
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                7.60
             |                                 
            
                32,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/29/2013
             | 
            
                +0.10 / +1.37%
             |             
            
                7.40
             |           
            
                7.50
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                7.40
             |                                 
            
                57,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/28/2013
             | 
            
                -0.10 / -1.35%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                7.30
             |                                 
            
                29,117
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2013
             | 
            
                +0.10 / +1.37%
             |             
            
                7.20
             |           
            
                7.40
             |               
            
                7.20
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                7.40
             |                                 
            
                43,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/24/2013
             | 
            
                +0.20 / +2.82%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.10
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                7.30
             |                                 
            
                27,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/23/2013
             | 
            
                +0.10 / +1.43%
             |             
            
                7.00
             |           
            
                7.10
             |               
            
                7.00
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                7.10
             |                                 
            
                11,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/22/2013
             | 
            
                -0.20 / -2.78%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                7.00
             |                                 
            
                55,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/21/2013
             | 
            
                +0.20 / +2.86%
             |             
            
                6.80
             |           
            
                7.20
             |               
            
                6.80
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                7.20
             |                                 
            
                44,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                7.00
             |                                 
            
                26,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                7.00
             |                                 
            
                28,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/16/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                7.00
             |                                 
            
                9,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2013
             | 
            
                +0.20 / +2.94%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.80
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                7.00
             |                                 
            
                55,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2013
             | 
            
                +0.20 / +3.03%
             |             
            
                6.70
             |           
            
                6.80
             |               
            
                6.70
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                6.80
             |                                 
            
                56,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2013
             | 
            
                +0.30 / +4.76%
             |             
            
                6.30
             |           
            
                6.60
             |               
            
                6.30
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                6.60
             |                                 
            
                27,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/10/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                6.30
             |                                 
            
                28,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/9/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.30
             |           
            
                6.50
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                6.30
             |                                 
            
                13,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2013
             | 
            
                -0.10 / -1.56%
             |             
            
                6.30
             |           
            
                6.30
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                6.30
             |                                 
            
                13,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2013
             | 
            
                -0.10 / -1.54%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.30
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                6.40
             |                                 
            
                8,733
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2013
             | 
            
                +0.20 / +3.17%
             |             
            
                6.30
             |           
            
                6.50
             |               
            
                6.30
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                6.50
             |                                 
            
                900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/3/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.30
             |           
            
                6.30
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                6.30
             |                                 
            
                1,148
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/2/2013
             | 
            
                -0.20 / -3.08%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                6.30
             |                                 
            
                6,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/1/2013
             | 
            
                +0.20 / +3.17%
             |             
            
                6.40
             |           
            
                6.50
             |               
            
                6.40
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                6.50
             |                                 
            
                1,391
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/30/2013
             | 
            
                -0.30 / -4.55%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                6.30
             |                                 
            
                2,500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/27/2013
             | 
            
                +0.20 / +3.13%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                6.60
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
         
    
    
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