| 
                 
                    Closing price on 6/27/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    20.30 | 
                 
                
                    | High | 
                    20.60 | 
                 
                
                    | Low | 
                    20.30 | 
                     
                
                    | Volume | 
                    1,100 | 
                                 
                
                    | Split-adjusted Price | 
                    11.25 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PIA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/27/2018
             | 
            
                -0.20 / -0.96%
             |             
            
                20.30
             |           
            
                20.60
             |               
            
                20.30
             |                           
            
                20.60
             | 
            
                20.49
             |                     
            
                11.25
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/26/2018
             | 
            
                -0.80 / -3.70%
             |             
            
                20.50
             |           
            
                20.80
             |               
            
                20.50
             |                           
            
                20.80
             | 
            
                20.61
             |                     
            
                11.36
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/25/2018
             | 
            
                -0.30 / -1.37%
             |             
            
                20.10
             |           
            
                21.60
             |               
            
                20.10
             |                           
            
                21.60
             | 
            
                21.30
             |                     
            
                11.80
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2018
             | 
            
                +1.80 / +8.96%
             |             
            
                21.90
             |           
            
                21.90
             |               
            
                21.90
             |                           
            
                21.90
             | 
            
                21.90
             |                     
            
                11.96
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2018
             | 
            
                -0.20 / -0.99%
             |             
            
                19.30
             |           
            
                20.10
             |               
            
                19.30
             |                           
            
                20.10
             | 
            
                19.99
             |                     
            
                10.98
             |                                 
            
                2,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2018
             | 
            
                -10.30 / -33.66%
             |             
            
                23.00
             |           
            
                23.00
             |               
            
                20.20
             |                           
            
                20.30
             | 
            
                21.90
             |                     
            
                11.09
             |                                 
            
                5,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/19/2018
             | 
            
                -0.90 / -2.86%
             |             
            
                31.00
             |           
            
                31.00
             |               
            
                30.00
             |                           
            
                30.60
             | 
            
                30.50
             |                     
            
                12.11
             |                                 
            
                16,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2018
             | 
            
                +0.30 / +0.96%
             |             
            
                31.30
             |           
            
                31.60
             |               
            
                31.30
             |                           
            
                31.50
             | 
            
                31.47
             |                     
            
                12.46
             |                                 
            
                10,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2018
             | 
            
                +0.30 / +0.96%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                30.40
             |                           
            
                31.50
             | 
            
                31.22
             |                     
            
                12.46
             |                                 
            
                2,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2018
             | 
            
                +0.20 / +0.65%
             |             
            
                31.40
             |           
            
                32.50
             |               
            
                31.00
             |                           
            
                31.20
             | 
            
                31.78
             |                     
            
                12.35
             |                                 
            
                15,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/13/2018
             | 
            
                0.00 / 0.00%
             |             
            
                30.50
             |           
            
                31.50
             |               
            
                30.50
             |                           
            
                31.00
             | 
            
                31.03
             |                     
            
                12.27
             |                                 
            
                3,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/12/2018
             | 
            
                -0.50 / -1.59%
             |             
            
                30.60
             |           
            
                31.00
             |               
            
                30.50
             |                           
            
                31.00
             | 
            
                30.84
             |                     
            
                12.27
             |                                 
            
                1,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/11/2018
             | 
            
                +1.40 / +4.65%
             |             
            
                30.10
             |           
            
                31.50
             |               
            
                30.00
             |                           
            
                31.50
             | 
            
                30.20
             |                     
            
                12.46
             |                                 
            
                13,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2018
             | 
            
                0.00 / 0.00%
             |             
            
                30.30
             |           
            
                30.30
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.13
             |                     
            
                11.87
             |                                 
            
                6,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2018
             | 
            
                0.00 / 0.00%
             |             
            
                29.80
             |           
            
                30.00
             |               
            
                29.70
             |                           
            
                30.00
             | 
            
                29.84
             |                     
            
                11.87
             |                                 
            
                1,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2018
             | 
            
                -0.40 / -1.32%
             |             
            
                30.10
             |           
            
                30.10
             |               
            
                29.70
             |                           
            
                30.00
             | 
            
                29.97
             |                     
            
                11.87
             |                                 
            
                9,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/5/2018
             | 
            
                +0.70 / +2.36%
             |             
            
                30.30
             |           
            
                30.40
             |               
            
                30.30
             |                           
            
                30.40
             | 
            
                30.31
             |                     
            
                12.03
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2018
             | 
            
                -1.40 / -4.50%
             |             
            
                31.00
             |           
            
                31.20
             |               
            
                29.60
             |                           
            
                29.70
             | 
            
                30.02
             |                     
            
                11.75
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2018
             | 
            
                +1.40 / +4.58%
             |             
            
                30.20
             |           
            
                32.00
             |               
            
                30.20
             |                           
            
                32.00
             | 
            
                31.10
             |                     
            
                12.66
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2018
             | 
            
                -1.40 / -4.38%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                29.60
             |                           
            
                30.60
             | 
            
                29.96
             |                     
            
                12.11
             |                                 
            
                1,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2018
             | 
            
                -0.50 / -1.54%
             |             
            
                29.10
             |           
            
                32.00
             |               
            
                29.10
             |                           
            
                32.00
             | 
            
                30.55
             |                     
            
                12.66
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2018
             | 
            
                +1.50 / +4.84%
             |             
            
                32.50
             |           
            
                32.50
             |               
            
                32.50
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                12.86
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2018
             | 
            
                -1.50 / -4.62%
             |             
            
                31.50
             |           
            
                31.60
             |               
            
                31.00
             |                           
            
                31.00
             | 
            
                31.28
             |                     
            
                12.27
             |                                 
            
                9,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2018
             | 
            
                0.00 / 0.00%
             |             
            
                32.50
             |           
            
                32.50
             |               
            
                32.50
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                12.86
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2018
             | 
            
                -0.30 / -0.91%
             |             
            
                32.50
             |           
            
                32.50
             |               
            
                32.50
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                12.86
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2018
             | 
            
                -0.10 / -0.30%
             |             
            
                32.80
             |           
            
                32.80
             |               
            
                32.80
             |                           
            
                32.80
             | 
            
                32.80
             |                     
            
                12.98
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2018
             | 
            
                0.00 / 0.00%
             |             
            
                32.90
             |           
            
                32.90
             |               
            
                32.90
             |                           
            
                32.90
             | 
            
                32.90
             |                     
            
                13.02
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2018
             | 
            
                +0.90 / +2.81%
             |             
            
                32.00
             |           
            
                32.90
             |               
            
                32.00
             |                           
            
                32.90
             | 
            
                32.68
             |                     
            
                13.02
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2018
             | 
            
                -1.20 / -3.61%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                12.66
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2018
             | 
            
                -0.40 / -1.19%
             |             
            
                33.20
             |           
            
                33.20
             |               
            
                33.20
             |                           
            
                33.20
             | 
            
                33.20
             |                     
            
                13.14
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
         
    
    
 |