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            | 
                    Closing price on 2/20/2017
                 |  |  
    
        |           
                
                    | Open | 19.20 |  
                    | High | 19.50 |  
                    | Low | 19.20 |  
                    | Volume | 19,800 |  
                    | Split-adjusted Price | 9.86 |  
                
             | 
 |  PDB Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/20/2017 | +0.10 / +0.52% | 19.20 | 19.50 | 19.20 | 19.20 | 19.25 | 9.86 | 19,800 |   |  
            | 2/17/2017 | -0.20 / -1.04% | 19.30 | 19.30 | 19.00 | 19.10 | 19.15 | 9.81 | 5,600 |   |  			
            | 2/16/2017 | -0.20 / -1.03% | 19.50 | 19.50 | 19.30 | 19.30 | 19.49 | 9.91 | 9,200 |   |  
            | 2/15/2017 | +0.40 / +2.09% | 19.30 | 19.50 | 19.30 | 19.50 | 19.31 | 10.02 | 6,910 |   |  			
            | 2/14/2017 | 0.00 / 0.00% | 19.00 | 19.20 | 19.00 | 19.10 | 19.10 | 9.81 | 10,100 |   |  
            | 2/13/2017 | -0.10 / -0.52% | 19.10 | 19.10 | 19.10 | 19.10 | 19.10 | 9.81 | 12,800 |   |  			
            | 2/10/2017 | -0.20 / -1.03% | 19.30 | 19.50 | 19.00 | 19.20 | 19.14 | 9.86 | 24,700 |   |  
            | 2/9/2017 | -0.10 / -0.51% | 19.50 | 19.50 | 19.20 | 19.40 | 19.37 | 9.97 | 19,000 |   |  			
            | 2/8/2017 | 0.00 / 0.00% | 19.50 | 19.60 | 19.40 | 19.50 | 19.43 | 10.02 | 17,800 |   |  
            | 2/7/2017 | -0.10 / -0.51% | 19.50 | 19.70 | 19.50 | 19.50 | 19.62 | 10.02 | 30,400 |   |  			
            | 2/6/2017 | -0.20 / -1.01% | 19.60 | 19.70 | 19.50 | 19.60 | 19.56 | 10.07 | 1,900 |   |  
            | 2/3/2017 | 0.00 / 0.00% | 19.50 | 19.80 | 19.40 | 19.80 | 19.47 | 10.17 | 2,600 |   |  			
            | 2/2/2017 | -0.10 / -0.50% | 19.50 | 19.80 | 19.50 | 19.80 | 19.60 | 10.17 | 29,900 |   |  
            | 1/25/2017 | 0.00 / 0.00% | 19.90 | 20.10 | 19.60 | 19.90 | 19.97 | 10.22 | 26,300 |   |  			
            | 1/24/2017 | +0.40 / +2.05% | 19.40 | 19.90 | 19.40 | 19.90 | 19.52 | 10.22 | 14,900 |   |  
            | 1/23/2017 | -0.30 / -1.52% | 19.40 | 19.60 | 19.40 | 19.50 | 19.52 | 10.02 | 17,700 |   |  			
            | 1/20/2017 | +0.20 / +1.02% | 19.80 | 19.90 | 19.30 | 19.80 | 19.57 | 10.17 | 26,600 |   |  
            | 1/19/2017 | +0.10 / +0.51% | 19.50 | 19.60 | 19.50 | 19.60 | 19.52 | 10.07 | 6,300 |   |  			
            | 1/18/2017 | 0.00 / 0.00% | 19.20 | 19.70 | 19.20 | 19.50 | 19.42 | 10.02 | 7,200 |   |  
            | 1/17/2017 | -0.20 / -1.02% | 19.60 | 19.70 | 19.50 | 19.50 | 19.52 | 10.02 | 12,000 |   |  			
            | 1/16/2017 | -0.20 / -1.01% | 19.80 | 19.80 | 19.50 | 19.70 | 19.54 | 10.12 | 16,400 |   |  
            | 1/13/2017 | 0.00 / 0.00% | 19.90 | 19.90 | 19.80 | 19.90 | 19.90 | 10.22 | 36,500 |   |  			
            | 1/12/2017 | -0.10 / -0.50% | 19.70 | 19.90 | 19.60 | 19.90 | 19.62 | 10.22 | 5,600 |   |  
            | 1/11/2017 | +0.30 / +1.52% | 20.00 | 20.00 | 19.70 | 20.00 | 19.73 | 10.27 | 15,000 |   |  			
            | 1/10/2017 | +0.40 / +2.07% | 19.50 | 21.20 | 19.20 | 19.70 | 19.85 | 10.12 | 40,300 |   |  
            | 1/9/2017 | -0.30 / -1.53% | 19.70 | 19.70 | 19.30 | 19.30 | 19.56 | 9.91 | 32,800 |   |  			
            | 1/6/2017 | -0.20 / -1.01% | 19.80 | 20.00 | 19.50 | 19.60 | 19.69 | 10.07 | 34,300 |   |  
            | 1/5/2017 | +0.10 / +0.51% | 19.70 | 19.80 | 19.70 | 19.80 | 19.70 | 10.17 | 17,000 |   |  			
            | 1/4/2017 | 0.00 / 0.00% | 19.70 | 19.70 | 19.70 | 19.70 | 19.70 | 10.12 | 32,100 |   |  
            | 1/3/2017 | -0.30 / -1.50% | 19.80 | 19.80 | 19.70 | 19.70 | 19.71 | 10.12 | 2,710 |   |  |