| 
                 
                    Closing price on 5/30/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.30 | 
                 
                
                    | High | 
                    8.40 | 
                 
                
                    | Low | 
                    8.20 | 
                     
                
                    | Volume | 
                    61,734 | 
                                 
                
                    | Split-adjusted Price | 
                    4.26 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SD9 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/30/2013
             | 
            
                +0.10 / +1.22%
             |             
            
                8.30
             |           
            
                8.40
             |               
            
                8.20
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                4.26
             |                                 
            
                61,734
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2013
             | 
            
                +0.20 / +2.50%
             |             
            
                8.20
             |           
            
                8.40
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                4.20
             |                                 
            
                220,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2013
             | 
            
                -0.10 / -1.23%
             |             
            
                8.00
             |           
            
                8.10
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                4.10
             |                                 
            
                132,360
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2013
             | 
            
                +0.10 / +1.25%
             |             
            
                8.00
             |           
            
                8.10
             |               
            
                8.00
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                4.15
             |                                 
            
                97,753
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                4.10
             |                                 
            
                24,390
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2013
             | 
            
                +0.10 / +1.27%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                4.10
             |                                 
            
                29,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2013
             | 
            
                +0.10 / +1.28%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                4.05
             |                                 
            
                50,480
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                4.00
             |                                 
            
                95,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                4.00
             |                                 
            
                46,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2013
             | 
            
                -0.20 / -2.50%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                4.00
             |                                 
            
                29,606
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                4.10
             |                                 
            
                19,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2013
             | 
            
                +0.10 / +1.27%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                4.10
             |                                 
            
                22,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2013
             | 
            
                -0.10 / -1.25%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                4.05
             |                                 
            
                26,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                4.10
             |                                 
            
                8,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                4.10
             |                                 
            
                20,560
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                4.10
             |                                 
            
                38,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/8/2013
             | 
            
                -0.10 / -1.23%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                4.10
             |                                 
            
                24,224
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.10
             |               
            
                7.80
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                4.15
             |                                 
            
                53,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2013
             | 
            
                +0.40 / +5.19%
             |             
            
                7.70
             |           
            
                8.10
             |               
            
                7.70
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                4.15
             |                                 
            
                49,464
             |            
            
                 
             |                                       
         
    
        
            | 
                5/3/2013
             | 
            
                +0.10 / +1.32%
             |             
            
                7.60
             |           
            
                7.70
             |               
            
                7.50
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                3.95
             |                                 
            
                31,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/2/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.50
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                3.90
             |                                 
            
                21,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.50
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                3.90
             |                                 
            
                50,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2013
             | 
            
                -0.10 / -1.30%
             |             
            
                7.60
             |           
            
                7.70
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                3.90
             |                                 
            
                38,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2013
             | 
            
                -0.20 / -2.53%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.60
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                3.95
             |                                 
            
                62,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2013
             | 
            
                -0.10 / -1.25%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                4.05
             |                                 
            
                18,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                4.10
             |                                 
            
                3,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2013
             | 
            
                -0.10 / -1.23%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                7.70
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                4.10
             |                                 
            
                9,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2013
             | 
            
                +0.10 / +1.25%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                8.00
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                4.15
             |                                 
            
                20,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2013
             | 
            
                +0.10 / +1.27%
             |             
            
                7.90
             |           
            
                8.10
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                4.10
             |                                 
            
                39,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2013
             | 
            
                -0.10 / -1.25%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                4.05
             |                                 
            
                37,600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |