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            | 
                    Closing price on 3/13/2017
                 |  |  
    
        |           
                
                    | Open | 20.20 |  
                    | High | 20.20 |  
                    | Low | 19.80 |  
                    | Volume | 42,800 |  
                    | Split-adjusted Price | 10.32 |  
                
             | 
 |  PDB Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/13/2017 | -0.10 / -0.50% | 20.20 | 20.20 | 19.80 | 20.10 | 20.07 | 10.32 | 42,800 |   |  
            | 3/10/2017 | -0.10 / -0.49% | 20.30 | 20.30 | 20.10 | 20.20 | 20.27 | 10.38 | 37,700 |   |  			
            | 3/9/2017 | 0.00 / 0.00% | 20.30 | 20.30 | 20.20 | 20.30 | 20.27 | 10.43 | 40,200 |   |  
            | 3/8/2017 | +0.40 / +2.01% | 19.90 | 20.50 | 19.90 | 20.30 | 19.90 | 10.43 | 45,900 |   |  			
            | 3/7/2017 | +0.10 / +0.51% | 19.80 | 20.20 | 19.70 | 19.90 | 19.99 | 10.22 | 35,200 |   |  
            | 3/6/2017 | +0.20 / +1.02% | 19.60 | 20.00 | 19.50 | 19.80 | 19.60 | 10.17 | 31,920 |   |  			
            | 3/3/2017 | -0.30 / -1.51% | 19.90 | 19.90 | 19.60 | 19.60 | 19.78 | 10.07 | 7,420 |   |  
            | 3/2/2017 | 0.00 / 0.00% | 20.00 | 20.20 | 19.90 | 19.90 | 20.07 | 10.22 | 27,400 |   |  			
            | 3/1/2017 | -0.60 / -2.93% | 20.20 | 20.20 | 19.90 | 19.90 | 20.01 | 10.22 | 6,900 |   |  
            | 2/28/2017 | -0.20 / -0.97% | 20.80 | 20.80 | 20.50 | 20.50 | 20.64 | 10.53 | 12,100 |   |  			
            | 2/27/2017 | +0.10 / +0.49% | 20.70 | 20.70 | 20.50 | 20.70 | 20.59 | 10.63 | 14,500 |   |  
            | 2/24/2017 | +0.10 / +0.49% | 20.60 | 21.00 | 20.60 | 20.60 | 20.63 | 10.58 | 22,500 |   |  			
            | 2/23/2017 | +0.80 / +4.06% | 19.60 | 20.60 | 19.60 | 20.50 | 20.25 | 10.53 | 110,160 |   |  
            | 2/22/2017 | +0.20 / +1.03% | 19.50 | 19.70 | 19.50 | 19.70 | 19.57 | 10.12 | 37,500 |   |  			
            | 2/21/2017 | +0.30 / +1.56% | 19.40 | 19.50 | 19.30 | 19.50 | 19.42 | 10.02 | 16,700 |   |  
            | 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 |   |  |