| 
                 
                    Closing price on 5/17/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    33.20 | 
                 
                
                    | High | 
                    33.20 | 
                 
                
                    | Low | 
                    33.20 | 
                     
                
                    | Volume | 
                    0 | 
                                 
                
                    | Split-adjusted Price | 
                    13.14 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PIA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/17/2018
             | 
            
                -0.40 / -1.19%
             |             
            
                33.20
             |           
            
                33.20
             |               
            
                33.20
             |                           
            
                33.20
             | 
            
                33.20
             |                     
            
                13.14
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2018
             | 
            
                +1.10 / +3.38%
             |             
            
                33.00
             |           
            
                33.60
             |               
            
                33.00
             |                           
            
                33.60
             | 
            
                33.19
             |                     
            
                13.29
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2018
             | 
            
                -0.50 / -1.52%
             |             
            
                31.60
             |           
            
                32.50
             |               
            
                31.50
             |                           
            
                32.50
             | 
            
                31.56
             |                     
            
                12.86
             |                                 
            
                11,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2018
             | 
            
                0.00 / 0.00%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                33.00
             |                           
            
                33.00
             | 
            
                33.62
             |                     
            
                13.06
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2018
             | 
            
                +0.80 / +2.48%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                33.00
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                13.06
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2018
             | 
            
                +0.20 / +0.63%
             |             
            
                32.00
             |           
            
                32.20
             |               
            
                32.00
             |                           
            
                32.20
             | 
            
                32.07
             |                     
            
                12.74
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2018
             | 
            
                -1.20 / -3.61%
             |             
            
                31.50
             |           
            
                32.00
             |               
            
                31.50
             |                           
            
                32.00
             | 
            
                31.58
             |                     
            
                12.66
             |                                 
            
                6,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2018
             | 
            
                +0.10 / +0.30%
             |             
            
                33.20
             |           
            
                33.20
             |               
            
                33.20
             |                           
            
                33.20
             | 
            
                33.20
             |                     
            
                13.14
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2018
             | 
            
                -0.20 / -0.60%
             |             
            
                33.10
             |           
            
                33.10
             |               
            
                33.10
             |                           
            
                33.10
             | 
            
                33.10
             |                     
            
                13.10
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2018
             | 
            
                0.00 / 0.00%
             |             
            
                33.30
             |           
            
                33.30
             |               
            
                33.30
             |                           
            
                33.30
             | 
            
                33.30
             |                     
            
                13.18
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2018
             | 
            
                0.00 / 0.00%
             |             
            
                33.30
             |           
            
                33.30
             |               
            
                33.30
             |                           
            
                33.30
             | 
            
                33.30
             |                     
            
                13.18
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/2/2018
             | 
            
                +1.30 / +4.06%
             |             
            
                33.20
             |           
            
                33.30
             |               
            
                33.20
             |                           
            
                33.30
             | 
            
                33.25
             |                     
            
                13.18
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2018
             | 
            
                0.00 / 0.00%
             |             
            
                32.40
             |           
            
                32.40
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.02
             |                     
            
                12.66
             |                                 
            
                2,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2018
             | 
            
                0.00 / 0.00%
             |             
            
                33.40
             |           
            
                33.40
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.44
             |                     
            
                12.66
             |                                 
            
                1,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2018
             | 
            
                -2.00 / -5.88%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                12.66
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2018
             | 
            
                +2.50 / +7.94%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                34.00
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                13.45
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2018
             | 
            
                -0.60 / -1.73%
             |             
            
                31.60
             |           
            
                34.20
             |               
            
                31.00
             |                           
            
                34.00
             | 
            
                31.49
             |                     
            
                13.45
             |                                 
            
                5,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2018
             | 
            
                -0.30 / -0.86%
             |             
            
                34.60
             |           
            
                34.60
             |               
            
                34.60
             |                           
            
                34.60
             | 
            
                34.60
             |                     
            
                13.69
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2018
             | 
            
                +0.90 / +2.65%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                34.90
             |                           
            
                34.90
             | 
            
                34.95
             |                     
            
                13.81
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2018
             | 
            
                +1.50 / +4.62%
             |             
            
                34.90
             |           
            
                34.90
             |               
            
                33.00
             |                           
            
                34.00
             | 
            
                33.55
             |                     
            
                13.45
             |                                 
            
                3,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2018
             | 
            
                0.00 / 0.00%
             |             
            
                30.30
             |           
            
                32.50
             |               
            
                30.30
             |                           
            
                32.50
             | 
            
                32.18
             |                     
            
                12.86
             |                                 
            
                5,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2018
             | 
            
                0.00 / 0.00%
             |             
            
                32.50
             |           
            
                32.50
             |               
            
                32.50
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                12.86
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2018
             | 
            
                -0.10 / -0.31%
             |             
            
                32.20
             |           
            
                32.60
             |               
            
                32.20
             |                           
            
                32.50
             | 
            
                32.52
             |                     
            
                12.86
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2018
             | 
            
                -0.80 / -2.40%
             |             
            
                32.90
             |           
            
                33.00
             |               
            
                31.50
             |                           
            
                32.60
             | 
            
                32.87
             |                     
            
                12.90
             |                                 
            
                6,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2018
             | 
            
                -0.50 / -1.47%
             |             
            
                33.40
             |           
            
                33.40
             |               
            
                33.40
             |                           
            
                33.40
             | 
            
                33.40
             |                     
            
                13.22
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2018
             | 
            
                +2.30 / +7.28%
             |             
            
                33.40
             |           
            
                33.90
             |               
            
                33.40
             |                           
            
                33.90
             | 
            
                33.83
             |                     
            
                13.41
             |                                 
            
                700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2018
             | 
            
                +4.20 / +15.00%
             |             
            
                30.00
             |           
            
                32.20
             |               
            
                30.00
             |                           
            
                32.20
             | 
            
                31.63
             |                     
            
                12.74
             |                                 
            
                4,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2018
             | 
            
                -2.50 / -8.20%
             |             
            
                28.60
             |           
            
                28.60
             |               
            
                28.00
             |                           
            
                28.00
             | 
            
                28.00
             |                     
            
                11.08
             |                                 
            
                23,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2018
             | 
            
                -5.20 / -14.57%
             |             
            
                32.80
             |           
            
                32.80
             |               
            
                30.50
             |                           
            
                30.50
             | 
            
                31.38
             |                     
            
                12.07
             |                                 
            
                14,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2018
             | 
            
                -0.70 / -1.92%
             |             
            
                35.70
             |           
            
                35.70
             |               
            
                35.70
             |                           
            
                35.70
             | 
            
                35.70
             |                     
            
                14.13
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |