| 
                 
                    Closing price on 7/4/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.10 | 
                 
                
                    | High | 
                    8.20 | 
                 
                
                    | Low | 
                    7.90 | 
                     
                
                    | Volume | 
                    57,770 | 
                                 
                
                    | Split-adjusted Price | 
                    2.14 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
GSP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/4/2013
             | 
            
                -0.20 / -2.47%
             |             
            
                8.10
             |           
            
                8.20
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                2.14
             |                                 
            
                57,770
             |            
            
                 
             |                                       
         
    
        
            | 
                7/3/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                7.90
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                2.20
             |                                 
            
                7,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/2/2013
             | 
            
                +0.10 / +1.25%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.00
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                2.20
             |                                 
            
                16,550
             |            
            
                 
             |                                       
         
    
        
            | 
                7/1/2013
             | 
            
                +0.00 / +0.00%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                2.17
             |                                 
            
                5,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/28/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                2.17
             |                                 
            
                19,360
             |            
            
                 
             |                                       
         
    
        
            | 
                6/27/2013
             | 
            
                +0.00 / +0.00%
             |             
            
                8.00
             |           
            
                8.10
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                2.17
             |                                 
            
                16,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/26/2013
             | 
            
                +0.00 / +0.00%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                2.17
             |                                 
            
                61,040
             |            
            
                 
             |                                       
         
    
        
            | 
                6/25/2013
             | 
            
                -0.50 / -5.88%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                2.17
             |                                 
            
                138,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/24/2013
             | 
            
                -0.20 / -2.30%
             |             
            
                8.70
             |           
            
                8.70
             |               
            
                8.30
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                2.31
             |                                 
            
                10,770
             |            
            
                 
             |                                       
         
    
        
            | 
                6/21/2013
             | 
            
                +0.10 / +1.16%
             |             
            
                8.40
             |           
            
                8.70
             |               
            
                8.40
             |                           
            
                8.70
             | 
            
                8.70
             |                     
            
                2.36
             |                                 
            
                41,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/20/2013
             | 
            
                +0.20 / +2.38%
             |             
            
                8.40
             |           
            
                8.90
             |               
            
                8.20
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                2.33
             |                                 
            
                128,780
             |            
            
                 
             |                                       
         
    
        
            | 
                6/19/2013
             | 
            
                +0.20 / +2.44%
             |             
            
                8.20
             |           
            
                8.50
             |               
            
                8.20
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                2.28
             |                                 
            
                42,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/18/2013
             | 
            
                -0.20 / -2.38%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                2.23
             |                                 
            
                40,420
             |            
            
                 
             |                                       
         
    
        
            | 
                6/17/2013
             | 
            
                -0.30 / -3.45%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.20
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                2.28
             |                                 
            
                99,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/14/2013
             | 
            
                -0.20 / -2.25%
             |             
            
                8.80
             |           
            
                9.10
             |               
            
                8.60
             |                           
            
                8.70
             | 
            
                8.70
             |                     
            
                2.36
             |                                 
            
                191,450
             |            
            
                 
             |                                       
         
    
        
            | 
                6/13/2013
             | 
            
                +0.50 / +5.95%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.80
             |                           
            
                8.90
             | 
            
                8.90
             |                     
            
                2.42
             |                                 
            
                299,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/12/2013
             | 
            
                +0.50 / +6.33%
             |             
            
                7.90
             |           
            
                8.40
             |               
            
                7.90
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                2.28
             |                                 
            
                347,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2013
             | 
            
                +0.10 / +1.28%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.60
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                2.14
             |                                 
            
                61,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/10/2013
             | 
            
                +0.30 / +4.00%
             |             
            
                7.40
             |           
            
                7.80
             |               
            
                7.40
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                2.12
             |                                 
            
                186,080
             |            
            
                 
             |                                       
         
    
        
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
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