| 
                 
                    Closing price on 4/26/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    30.50 | 
                 
                
                    | High | 
                    31.40 | 
                 
                
                    | Low | 
                    30.00 | 
                     
                
                    | Volume | 
                    11,220 | 
                                 
                
                    | Split-adjusted Price | 
                    10.63 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PIA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/26/2017
             | 
            
                -0.10 / -0.32%
             |             
            
                30.50
             |           
            
                31.40
             |               
            
                30.00
             |                           
            
                31.40
             | 
            
                30.37
             |                     
            
                10.63
             |                                 
            
                11,220
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2017
             | 
            
                -0.50 / -1.56%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                31.00
             |                           
            
                31.50
             | 
            
                31.62
             |                     
            
                10.67
             |                                 
            
                11,056
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2017
             | 
            
                +2.20 / +7.38%
             |             
            
                30.50
             |           
            
                33.00
             |               
            
                30.50
             |                           
            
                32.00
             | 
            
                32.23
             |                     
            
                10.84
             |                                 
            
                31,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2017
             | 
            
                -0.30 / -1.00%
             |             
            
                29.90
             |           
            
                30.50
             |               
            
                29.00
             |                           
            
                29.70
             | 
            
                29.79
             |                     
            
                10.06
             |                                 
            
                17,997
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2017
             | 
            
                +0.40 / +1.35%
             |             
            
                29.70
             |           
            
                30.50
             |               
            
                29.60
             |                           
            
                30.00
             | 
            
                29.91
             |                     
            
                10.16
             |                                 
            
                21,821
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2017
             | 
            
                -3.40 / -10.30%
             |             
            
                31.00
             |           
            
                32.10
             |               
            
                28.00
             |                           
            
                29.60
             | 
            
                29.60
             |                     
            
                10.02
             |                                 
            
                87,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2017
             | 
            
                +3.00 / +10.00%
             |             
            
                34.50
             |           
            
                34.50
             |               
            
                30.50
             |                           
            
                33.00
             | 
            
                32.07
             |                     
            
                11.17
             |                                 
            
                22,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2017
             | 
            
                +3.90 / +14.94%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                10.16
             |                                 
            
                920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/14/2017
             | 
            
                +4.20 / +16.54%
             |             
            
                25.80
             |           
            
                29.60
             |               
            
                23.00
             |                           
            
                29.60
             | 
            
                26.10
             |                     
            
                10.02
             |                                 
            
                435,530
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2017
             | 
            
                -4.60 / -15.33%
             |             
            
                28.00
             |           
            
                29.00
             |               
            
                25.40
             |                           
            
                25.40
             | 
            
                25.76
             |                     
            
                8.60
             |                                 
            
                29,343
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2017
             | 
            
                -0.10 / -0.33%
             |             
            
                28.40
             |           
            
                30.00
             |               
            
                28.40
             |                           
            
                30.00
             | 
            
                29.84
             |                     
            
                10.16
             |                                 
            
                1,042
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2017
             | 
            
                -0.90 / -2.90%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                30.10
             |                           
            
                30.10
             | 
            
                31.91
             |                     
            
                10.19
             |                                 
            
                20,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2017
             | 
            
                +3.20 / +11.51%
             |             
            
                28.50
             |           
            
                31.90
             |               
            
                28.50
             |                           
            
                31.00
             | 
            
                29.98
             |                     
            
                10.50
             |                                 
            
                7,297
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2017
             | 
            
                +0.30 / +1.08%
             |             
            
                27.70
             |           
            
                28.00
             |               
            
                27.70
             |                           
            
                28.00
             | 
            
                27.84
             |                     
            
                9.48
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2017
             | 
            
                +3.00 / +11.54%
             |             
            
                27.50
             |           
            
                29.00
             |               
            
                27.50
             |                           
            
                29.00
             | 
            
                27.67
             |                     
            
                9.82
             |                                 
            
                1,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2017
             | 
            
                -0.50 / -1.89%
             |             
            
                25.10
             |           
            
                26.00
             |               
            
                25.10
             |                           
            
                26.00
             | 
            
                25.55
             |                     
            
                8.80
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2017
             | 
            
                +1.50 / +6.00%
             |             
            
                28.40
             |           
            
                28.70
             |               
            
                26.50
             |                           
            
                26.50
             | 
            
                28.34
             |                     
            
                8.97
             |                                 
            
                1,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2017
             | 
            
                -1.60 / -5.80%
             |             
            
                24.60
             |           
            
                26.00
             |               
            
                24.60
             |                           
            
                26.00
             | 
            
                25.02
             |                     
            
                8.80
             |                                 
            
                6,603
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2017
             | 
            
                -0.60 / -2.13%
             |             
            
                29.00
             |           
            
                29.00
             |               
            
                27.60
             |                           
            
                27.60
             | 
            
                28.77
             |                     
            
                9.35
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2017
             | 
            
                -2.70 / -8.74%
             |             
            
                27.10
             |           
            
                34.00
             |               
            
                27.10
             |                           
            
                28.20
             | 
            
                31.33
             |                     
            
                9.55
             |                                 
            
                1,008
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2017
             | 
            
                +3.70 / +13.60%
             |             
            
                23.10
             |           
            
                31.00
             |               
            
                23.10
             |                           
            
                30.90
             | 
            
                30.13
             |                     
            
                10.46
             |                                 
            
                9,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2017
             | 
            
                +3.50 / +14.77%
             |             
            
                26.00
             |           
            
                27.20
             |               
            
                26.00
             |                           
            
                27.20
             | 
            
                26.96
             |                     
            
                9.21
             |                                 
            
                12,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2017
             | 
            
                +5.00 / +25.00%
             |             
            
                20.10
             |           
            
                25.00
             |               
            
                20.10
             |                           
            
                25.00
             | 
            
                23.65
             |                     
            
                8.47
             |                                 
            
                18,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2017
             | 
            
                +0.70 / +3.63%
             |             
            
                19.60
             |           
            
                24.90
             |               
            
                19.60
             |                           
            
                20.00
             | 
            
                21.88
             |                     
            
                6.77
             |                                 
            
                597
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2017
             | 
            
                +0.10 / +0.52%
             |             
            
                21.90
             |           
            
                22.00
             |               
            
                19.30
             |                           
            
                19.30
             | 
            
                21.97
             |                     
            
                6.54
             |                                 
            
                10,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2017
             | 
            
                +2.50 / +14.97%
             |             
            
                19.20
             |           
            
                19.20
             |               
            
                19.20
             |                           
            
                19.20
             | 
            
                19.20
             |                     
            
                6.50
             |                                 
            
                1,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2017
             | 
            
                +2.10 / +14.38%
             |             
            
                16.70
             |           
            
                16.70
             |               
            
                16.70
             |                           
            
                16.70
             | 
            
                16.70
             |                     
            
                5.65
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2017
             | 
            
                +1.90 / +14.96%
             |             
            
                14.60
             |           
            
                14.60
             |               
            
                14.60
             |                           
            
                14.60
             | 
            
                14.60
             |                     
            
                4.94
             |                                 
            
                2,596
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2017
             | 
            
                +2.10 / +19.81%
             |             
            
                12.70
             |           
            
                12.70
             |               
            
                12.70
             |                           
            
                12.70
             | 
            
                12.70
             |                     
            
                4.30
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2017
             | 
            
                +0.30 / +2.91%
             |             
            
                11.80
             |           
            
                11.80
             |               
            
                10.60
             |                           
            
                10.60
             | 
            
                11.05
             |                     
            
                3.59
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |