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            | 
                    Closing price on 8/16/2017
                 |  |  
    
        |           
                
                    | Open | 14.40 |  
                    | High | 14.60 |  
                    | Low | 14.30 |  
                    | Volume | 15,910 |  
                    | Split-adjusted Price | 8.38 |  
                
             | 
 |  PDB Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/16/2017 | 0.00 / 0.00% | 14.40 | 14.60 | 14.30 | 14.40 | 14.44 | 8.38 | 15,910 |   |  
            | 8/15/2017 | +0.20 / +1.41% | 14.10 | 14.90 | 13.90 | 14.40 | 14.25 | 8.38 | 19,700 |   |  			
            | 8/14/2017 | +0.30 / +2.16% | 13.70 | 14.20 | 13.70 | 14.20 | 14.11 | 8.27 | 3,100 |   |  
            | 8/11/2017 | +0.10 / +0.72% | 13.80 | 13.90 | 13.80 | 13.90 | 13.85 | 8.09 | 1,200 |   |  			
            | 8/10/2017 | +0.10 / +0.73% | 13.80 | 14.00 | 13.70 | 13.80 | 13.89 | 8.03 | 7,810 |   |  
            | 8/9/2017 | -0.10 / -0.72% | 13.90 | 14.00 | 13.70 | 13.70 | 13.78 | 7.98 | 18,400 |   |  			
            | 8/8/2017 | -0.10 / -0.72% | 13.60 | 14.00 | 13.60 | 13.80 | 13.90 | 8.03 | 23,500 |   |  
            | 8/7/2017 | 0.00 / 0.00% | 13.80 | 14.00 | 13.70 | 13.90 | 13.83 | 8.09 | 7,800 |   |  			
            | 8/4/2017 | +0.20 / +1.46% | 13.60 | 13.90 | 13.60 | 13.90 | 13.74 | 8.09 | 27,100 |   |  
            | 8/3/2017 | +0.10 / +0.74% | 14.00 | 14.00 | 13.60 | 13.70 | 13.66 | 7.98 | 17,070 |   |  			
            | 8/2/2017 | 0.00 / 0.00% | 13.30 | 13.90 | 13.30 | 13.60 | 13.71 | 7.92 | 13,900 |   |  
            | 8/1/2017 | -0.10 / -0.73% | 13.80 | 13.80 | 13.60 | 13.60 | 13.70 | 7.92 | 11,200 |   |  			
            | 7/31/2017 | 0.00 / 0.00% | 14.00 | 14.00 | 13.60 | 13.70 | 13.75 | 7.98 | 5,600 |   |  
            | 7/28/2017 | +0.20 / +1.48% | 13.50 | 13.70 | 13.50 | 13.70 | 13.51 | 7.98 | 3,300 |   |  			
            | 7/27/2017 | +0.10 / +0.75% | 13.30 | 13.50 | 13.20 | 13.50 | 13.30 | 7.86 | 4,400 |   |  
            | 7/26/2017 | -0.10 / -0.74% | 13.70 | 13.80 | 13.40 | 13.40 | 13.66 | 7.80 | 18,700 |   |  			
            | 7/25/2017 | +0.20 / +1.50% | 13.40 | 13.50 | 13.20 | 13.50 | 13.37 | 7.86 | 3,300 |   |  
            | 7/24/2017 | -0.70 / -5.00% | 13.70 | 13.70 | 13.30 | 13.30 | 13.42 | 7.74 | 18,500 |   |  			
            | 7/21/2017 | -1.00 / -6.67% | 14.50 | 14.50 | 13.50 | 14.00 | 13.90 | 8.15 | 29,060 |   |  
            | 7/20/2017 | +0.10 / +0.67% | 14.40 | 15.00 | 14.40 | 15.00 | 14.47 | 8.73 | 900 |   |  			
            | 7/19/2017 | -0.50 / -3.25% | 15.30 | 15.30 | 14.00 | 14.90 | 14.71 | 8.67 | 2,508 |   |  
            | 7/18/2017 | +0.70 / +4.76% | 15.40 | 15.40 | 14.70 | 15.40 | 14.76 | 8.97 | 5,880 |   |  			
            | 7/17/2017 | -0.30 / -2.00% | 16.00 | 16.00 | 14.70 | 14.70 | 14.90 | 8.56 | 9,900 |   |  
            | 7/14/2017 | 0.00 / 0.00% | 17.00 | 17.10 | 16.90 | 17.00 | 16.97 | 8.73 | 8,210 |   |  			
            | 7/13/2017 | 0.00 / 0.00% | 16.80 | 17.00 | 16.80 | 17.00 | 16.92 | 8.73 | 2,600 |   |  
            | 7/12/2017 | -0.10 / -0.58% | 17.00 | 17.10 | 16.80 | 17.00 | 16.98 | 8.73 | 3,900 |   |  			
            | 7/11/2017 | -0.10 / -0.58% | 17.00 | 17.20 | 17.00 | 17.10 | 17.03 | 8.78 | 1,230 |   |  
            | 7/10/2017 | -0.20 / -1.15% | 17.00 | 17.20 | 17.00 | 17.20 | 17.13 | 8.84 | 4,610 |   |  			
            | 7/7/2017 | +0.40 / +2.35% | 17.20 | 17.40 | 17.00 | 17.40 | 17.15 | 8.94 | 9,600 |   |  
            | 7/6/2017 | +0.50 / +3.03% | 16.50 | 17.00 | 16.50 | 17.00 | 16.76 | 8.73 | 16,400 |   |  |