| 
                 
                    Closing price on 6/7/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.50 | 
                 
                
                    | High | 
                    7.50 | 
                 
                
                    | Low | 
                    7.30 | 
                     
                
                    | Volume | 
                    29,880 | 
                                 
                
                    | Split-adjusted Price | 
                    2.04 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
GSP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/7/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.30
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.04
             |                                 
            
                29,880
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2013
             | 
            
                +0.10 / +1.35%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.30
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.04
             |                                 
            
                55,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/5/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.50
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                2.01
             |                                 
            
                42,270
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.30
             |           
            
                7.50
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                2.01
             |                                 
            
                104,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2013
             | 
            
                +0.10 / +1.37%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                2.01
             |                                 
            
                53,690
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2013
             | 
            
                +0.00 / +0.00%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                7.10
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                1.98
             |                                 
            
                62,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                7.00
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                1.98
             |                                 
            
                50,710
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2013
             | 
            
                +0.10 / +1.39%
             |             
            
                7.20
             |           
            
                7.40
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                1.98
             |                                 
            
                105,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                1.95
             |                                 
            
                48,210
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2013
             | 
            
                +0.10 / +1.41%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.10
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                1.95
             |                                 
            
                39,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2013
             | 
            
                +0.00 / +0.00%
             |             
            
                7.00
             |           
            
                7.20
             |               
            
                6.90
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                1.93
             |                                 
            
                13,460
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2013
             | 
            
                +0.00 / +0.00%
             |             
            
                7.00
             |           
            
                7.20
             |               
            
                7.00
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                1.93
             |                                 
            
                38,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2013
             | 
            
                +0.10 / +1.43%
             |             
            
                7.00
             |           
            
                7.20
             |               
            
                7.00
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                1.93
             |                                 
            
                49,060
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2013
             | 
            
                +0.10 / +1.45%
             |             
            
                6.80
             |           
            
                7.10
             |               
            
                6.80
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                1.90
             |                                 
            
                48,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2013
             | 
            
                +0.10 / +1.47%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.80
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                1.87
             |                                 
            
                33,990
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2013
             | 
            
                -0.20 / -2.86%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                1.85
             |                                 
            
                45,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                1.90
             |                                 
            
                8,660
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2013
             | 
            
                -1.20 / -14.63%
             |             
            
                7.00
             |           
            
                7.20
             |               
            
                6.80
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                1.90
             |                                 
            
                43,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2013
             | 
            
                -0.20 / -2.38%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.00
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                1.95
             |                                 
            
                99,960
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2013
             | 
            
                -0.20 / -2.33%
             |             
            
                8.60
             |           
            
                8.70
             |               
            
                8.40
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                2.00
             |                                 
            
                124,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.70
             |           
            
                8.70
             |               
            
                8.60
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                2.05
             |                                 
            
                64,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2013
             | 
            
                +0.10 / +1.18%
             |             
            
                8.50
             |           
            
                8.60
             |               
            
                8.40
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                2.05
             |                                 
            
                159,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/8/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.50
             |           
            
                8.60
             |               
            
                8.40
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                2.03
             |                                 
            
                44,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.40
             |           
            
                8.60
             |               
            
                8.30
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                2.03
             |                                 
            
                67,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2013
             | 
            
                +0.20 / +2.41%
             |             
            
                8.30
             |           
            
                8.50
             |               
            
                8.30
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                2.03
             |                                 
            
                72,390
             |            
            
                 
             |                                       
         
    
        
            | 
                5/3/2013
             | 
            
                -0.10 / -1.19%
             |             
            
                8.40
             |           
            
                8.50
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                1.98
             |                                 
            
                93,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/2/2013
             | 
            
                +0.40 / +5.00%
             |             
            
                8.10
             |           
            
                8.50
             |               
            
                8.00
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                2.00
             |                                 
            
                174,360
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.10
             |           
            
                8.20
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.91
             |                                 
            
                62,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2013
             | 
            
                +0.10 / +1.27%
             |             
            
                7.60
             |           
            
                8.00
             |               
            
                7.60
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.91
             |                                 
            
                40,810
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                1.88
             |                                 
            
                36,760
             |  
            
                 
             |                                                              
             
    
         
    
    
 |