| 
                 
                    Closing price on 9/18/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.70 | 
                 
                
                    | High | 
                    7.70 | 
                 
                
                    | Low | 
                    7.40 | 
                     
                
                    | Volume | 
                    72,420 | 
                                 
                
                    | Split-adjusted Price | 
                    2.15 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
IDI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/18/2012
             | 
            
                -0.30 / -3.90%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                2.15
             |                                 
            
                72,420
             |            
            
                 
             |                                       
         
    
        
            | 
                9/17/2012
             | 
            
                -0.10 / -1.28%
             |             
            
                7.80
             |           
            
                8.00
             |               
            
                7.60
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                2.24
             |                                 
            
                173,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2012
             | 
            
                +0.30 / +4.00%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.60
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                2.27
             |                                 
            
                291,870
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2012
             | 
            
                +0.30 / +4.17%
             |             
            
                7.30
             |           
            
                7.50
             |               
            
                7.10
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.18
             |                                 
            
                121,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/12/2012
             | 
            
                +0.20 / +2.86%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                7.00
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.10
             |                                 
            
                73,240
             |            
            
                 
             |                                       
         
    
        
            | 
                9/11/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.20
             |               
            
                6.80
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                2.04
             |                                 
            
                87,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/10/2012
             | 
            
                -0.30 / -4.11%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                2.04
             |                                 
            
                105,050
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                2.12
             |                                 
            
                60,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/6/2012
             | 
            
                -0.30 / -3.95%
             |             
            
                7.40
             |           
            
                7.60
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                2.12
             |                                 
            
                132,080
             |            
            
                 
             |                                       
         
    
        
            | 
                9/5/2012
             | 
            
                -0.30 / -3.80%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                2.21
             |                                 
            
                88,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/4/2012
             | 
            
                0.00 / 0.00%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                2.30
             |                                 
            
                89,170
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2012
             | 
            
                +0.10 / +1.28%
             |             
            
                7.80
             |           
            
                8.00
             |               
            
                7.60
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                2.30
             |                                 
            
                104,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2012
             | 
            
                +0.10 / +1.30%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                2.27
             |                                 
            
                197,270
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2012
             | 
            
                +0.30 / +4.05%
             |             
            
                7.60
             |           
            
                7.70
             |               
            
                7.50
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                2.24
             |                                 
            
                82,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/28/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.60
             |               
            
                7.10
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                2.15
             |                                 
            
                257,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/27/2012
             | 
            
                -0.30 / -3.90%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                2.15
             |                                 
            
                289,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/24/2012
             | 
            
                -0.40 / -4.94%
             |             
            
                7.70
             |           
            
                8.30
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                2.24
             |                                 
            
                685,480
             |            
            
                 
             |                                       
         
    
        
            | 
                8/23/2012
             | 
            
                -0.40 / -4.71%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                2.36
             |                                 
            
                6,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/22/2012
             | 
            
                -0.40 / -4.49%
             |             
            
                8.50
             |           
            
                8.70
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                2.47
             |                                 
            
                325,240
             |            
            
                 
             |                                       
         
    
        
            | 
                8/21/2012
             | 
            
                -0.40 / -4.30%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                8.90
             |                           
            
                8.90
             | 
            
                8.90
             |                     
            
                2.59
             |                                 
            
                121,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/20/2012
             | 
            
                +0.10 / +1.09%
             |             
            
                9.10
             |           
            
                9.50
             |               
            
                9.10
             |                           
            
                9.30
             | 
            
                9.30
             |                     
            
                2.71
             |                                 
            
                178,540
             |            
            
                 
             |                                       
         
    
        
            | 
                8/17/2012
             | 
            
                +0.10 / +1.10%
             |             
            
                8.90
             |           
            
                9.20
             |               
            
                8.90
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                2.68
             |                                 
            
                166,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/16/2012
             | 
            
                +0.40 / +4.60%
             |             
            
                8.70
             |           
            
                9.10
             |               
            
                8.60
             |                           
            
                9.10
             | 
            
                9.10
             |                     
            
                2.65
             |                                 
            
                585,520
             |            
            
                 
             |                                       
         
    
        
            | 
                8/15/2012
             | 
            
                0.00 / 0.00%
             |             
            
                8.60
             |           
            
                8.80
             |               
            
                8.50
             |                           
            
                8.70
             | 
            
                8.70
             |                     
            
                2.53
             |                                 
            
                145,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/14/2012
             | 
            
                0.00 / 0.00%
             |             
            
                8.60
             |           
            
                8.80
             |               
            
                8.60
             |                           
            
                8.70
             | 
            
                8.70
             |                     
            
                2.53
             |                                 
            
                68,340
             |            
            
                 
             |                                       
         
    
        
            | 
                8/13/2012
             | 
            
                -0.10 / -1.14%
             |             
            
                8.50
             |           
            
                8.80
             |               
            
                8.50
             |                           
            
                8.70
             | 
            
                8.70
             |                     
            
                2.53
             |                                 
            
                150,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/10/2012
             | 
            
                +0.40 / +4.76%
             |             
            
                8.60
             |           
            
                8.80
             |               
            
                8.50
             |                           
            
                8.80
             | 
            
                8.80
             |                     
            
                2.56
             |                                 
            
                895,240
             |            
            
                 
             |                                       
         
    
        
            | 
                8/9/2012
             | 
            
                +0.40 / +5.00%
             |             
            
                8.00
             |           
            
                8.40
             |               
            
                8.00
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                2.44
             |                                 
            
                266,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/8/2012
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.10
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                2.33
             |                                 
            
                110,840
             |            
            
                 
             |                                       
         
    
        
            | 
                8/7/2012
             | 
            
                -0.10 / -1.23%
             |             
            
                8.00
             |           
            
                8.20
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                2.33
             |                                 
            
                111,440
             |  
            
                 
             |                                                              
             
    
         
    
    
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