| 
			 
				
					
						
    
        
            | 
                 
                    Closing price on 6/6/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    5.60 | 
                 
                
                    | High | 
                    5.80 | 
                 
                
                    | Low | 
                    5.50 | 
                     
                
                    | Volume | 
                    693,230 | 
                                 
                
                    | Split-adjusted Price | 
                    2.07 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PVT Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/6/2012
             | 
            
                +0.20 / +3.57%
             |             
            
                5.60
             |           
            
                5.80
             |               
            
                5.50
             |                           
            
                5.80
             | 
            
                5.80
             |                     
            
                2.07
             |                                 
            
                693,230
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2012
             | 
            
                +0.10 / +1.82%
             |             
            
                5.40
             |           
            
                5.60
             |               
            
                5.30
             |                           
            
                5.60
             | 
            
                5.60
             |                     
            
                2.00
             |                                 
            
                776,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2012
             | 
            
                -0.20 / -3.51%
             |             
            
                5.60
             |           
            
                5.70
             |               
            
                5.50
             |                           
            
                5.50
             | 
            
                5.50
             |                     
            
                1.97
             |                                 
            
                697,040
             |            
            
                 
             |                                       
         
    
        
            | 
                6/1/2012
             | 
            
                0.00 / 0.00%
             |             
            
                5.80
             |           
            
                5.90
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                2.04
             |                                 
            
                312,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2012
             | 
            
                -0.30 / -5.00%
             |             
            
                5.90
             |           
            
                6.00
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                2.04
             |                                 
            
                479,640
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2012
             | 
            
                +0.10 / +1.69%
             |             
            
                6.00
             |           
            
                6.10
             |               
            
                5.90
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                2.14
             |                                 
            
                254,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2012
             | 
            
                -0.20 / -3.28%
             |             
            
                5.90
             |           
            
                6.10
             |               
            
                5.90
             |                           
            
                5.90
             | 
            
                5.90
             |                     
            
                2.11
             |                                 
            
                623,660
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2012
             | 
            
                +0.20 / +3.39%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                5.90
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                2.18
             |                                 
            
                1,143,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2012
             | 
            
                +0.20 / +3.51%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.80
             |                           
            
                5.90
             | 
            
                5.90
             |                     
            
                2.11
             |                                 
            
                844,130
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2012
             | 
            
                -0.30 / -5.00%
             |             
            
                5.80
             |           
            
                5.90
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                2.04
             |                                 
            
                1,028,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2012
             | 
            
                -0.30 / -4.76%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                2.14
             |                                 
            
                1,457,890
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2012
             | 
            
                -0.20 / -3.08%
             |             
            
                6.50
             |           
            
                6.60
             |               
            
                6.20
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                2.25
             |                                 
            
                956,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2012
             | 
            
                +0.30 / +4.84%
             |             
            
                6.40
             |           
            
                6.50
             |               
            
                6.20
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                2.32
             |                                 
            
                1,011,880
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2012
             | 
            
                -0.30 / -4.62%
             |             
            
                6.40
             |           
            
                6.60
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                2.22
             |                                 
            
                1,414,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2012
             | 
            
                +0.30 / +4.84%
             |             
            
                6.40
             |           
            
                6.50
             |               
            
                6.20
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                2.32
             |                                 
            
                1,826,650
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2012
             | 
            
                +0.10 / +1.64%
             |             
            
                6.00
             |           
            
                6.20
             |               
            
                5.80
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                2.22
             |                                 
            
                2,177,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2012
             | 
            
                -0.30 / -4.69%
             |             
            
                6.10
             |           
            
                6.30
             |               
            
                6.10
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                2.18
             |                                 
            
                2,255,720
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2012
             | 
            
                -0.30 / -4.48%
             |             
            
                6.50
             |           
            
                6.60
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                2.29
             |                                 
            
                1,267,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.60
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                2.39
             |                                 
            
                3,204,970
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2012
             | 
            
                +0.30 / +4.69%
             |             
            
                6.70
             |           
            
                6.70
             |               
            
                6.50
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                2.39
             |                                 
            
                3,093,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2012
             | 
            
                +0.30 / +4.92%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                6.20
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                2.29
             |                                 
            
                2,773,980
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2012
             | 
            
                +0.20 / +3.39%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.10
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                2.18
             |                                 
            
                484,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2012
             | 
            
                +0.20 / +3.51%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.90
             |                           
            
                5.90
             | 
            
                5.90
             |                     
            
                2.11
             |                                 
            
                838,650
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2012
             | 
            
                +0.20 / +3.64%
             |             
            
                5.60
             |           
            
                5.70
             |               
            
                5.40
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                2.04
             |                                 
            
                1,311,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2012
             | 
            
                0.00 / 0.00%
             |             
            
                5.50
             |           
            
                5.70
             |               
            
                5.30
             |                           
            
                5.50
             | 
            
                5.50
             |                     
            
                1.97
             |                                 
            
                1,081,490
             |            
            
                 
             |                                       
         
    
        
            | 
                5/2/2012
             | 
            
                +0.20 / +3.77%
             |             
            
                5.30
             |           
            
                5.50
             |               
            
                5.30
             |                           
            
                5.50
             | 
            
                5.50
             |                     
            
                1.97
             |                                 
            
                3,720,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2012
             | 
            
                +0.10 / +1.92%
             |             
            
                5.10
             |           
            
                5.40
             |               
            
                5.10
             |                           
            
                5.30
             | 
            
                5.30
             |                     
            
                1.89
             |                                 
            
                1,038,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2012
             | 
            
                -0.20 / -3.70%
             |             
            
                5.40
             |           
            
                5.40
             |               
            
                5.20
             |                           
            
                5.20
             | 
            
                5.20
             |                     
            
                1.86
             |                                 
            
                1,238,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2012
             | 
            
                +0.20 / +3.85%
             |             
            
                5.30
             |           
            
                5.40
             |               
            
                5.20
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                1.93
             |                                 
            
                1,323,720
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2012
             | 
            
                +0.20 / +4.00%
             |             
            
                5.00
             |           
            
                5.20
             |               
            
                4.90
             |                           
            
                5.20
             | 
            
                5.20
             |                     
            
                1.86
             |                                 
            
                1,097,690
             |  
            
                 
             |                                                              
             
    
         
    
    
 | 
					 
				  | 
			 
				 | 
			 
		  | 
	 
 
		     | 
		    
			    
	
		
			
				 | 
			 
				 | 
			 
				
					
						| 
 Market Update 
        
            
                Last updated at 3:10:02 PM
                                                                
            
            
            
            
        
        
     
 
 | 
					 
				  | 
			 
				 | 
			 
		  | 
	 
   
		     |