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            | 
                    Closing price on 12/26/2017
                 |  |  
    
        |           
                
                    | Open | 10.50 |  
                    | High | 11.40 |  
                    | Low | 10.50 |  
                    | Volume | 8,111 |  
                    | Split-adjusted Price | 6.64 |  
                
             | 
 |  PDB Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/26/2017 | -0.20 / -1.72% | 10.50 | 11.40 | 10.50 | 11.40 | 11.39 | 6.64 | 8,111 |   |  
            | 12/25/2017 | -0.40 / -3.33% | 11.60 | 11.60 | 11.60 | 11.60 | 11.60 | 6.75 | 400 |   |  			
            | 12/22/2017 | +0.30 / +2.56% | 11.50 | 12.00 | 11.50 | 12.00 | 11.56 | 6.99 | 1,658 |   |  
            | 12/21/2017 | 0.00 / 0.00% | 11.70 | 11.70 | 11.70 | 11.70 | 11.70 | 6.81 | 0 |   |  			
            | 12/20/2017 | +0.20 / +1.74% | 11.60 | 11.70 | 11.60 | 11.70 | 11.64 | 6.81 | 3,700 |   |  
            | 12/19/2017 | -0.20 / -1.71% | 11.50 | 11.50 | 11.50 | 11.50 | 11.50 | 6.69 | 838 |   |  			
            | 12/18/2017 | 0.00 / 0.00% | 11.70 | 11.70 | 11.70 | 11.70 | 11.70 | 6.81 | 0 |   |  
            | 12/15/2017 | -0.10 / -0.85% | 11.70 | 11.70 | 11.70 | 11.70 | 11.70 | 6.81 | 7,700 |   |  			
            | 12/14/2017 | -0.10 / -0.84% | 11.90 | 11.90 | 11.80 | 11.80 | 11.87 | 6.87 | 3,500 |   |  
            | 12/13/2017 | +0.30 / +2.59% | 11.60 | 11.90 | 11.60 | 11.90 | 11.75 | 6.93 | 18,700 |   |  			
            | 12/12/2017 | +0.10 / +0.87% | 11.50 | 11.60 | 11.50 | 11.60 | 11.52 | 6.75 | 15,449 |   |  
            | 12/11/2017 | 0.00 / 0.00% | 11.40 | 11.50 | 11.40 | 11.50 | 11.44 | 6.69 | 4,700 |   |  			
            | 12/8/2017 | +0.10 / +0.88% | 11.50 | 11.60 | 11.50 | 11.50 | 11.55 | 6.69 | 2,100 |   |  
            | 12/7/2017 | -0.10 / -0.87% | 11.40 | 11.40 | 11.40 | 11.40 | 11.40 | 6.64 | 5,390 |   |  			
            | 12/6/2017 | +0.10 / +0.88% | 11.40 | 11.50 | 11.40 | 11.50 | 11.42 | 6.69 | 11,000 |   |  
            | 12/5/2017 | 0.00 / 0.00% | 11.40 | 11.40 | 11.40 | 11.40 | 11.40 | 6.64 | 10,100 |   |  			
            | 12/4/2017 | 0.00 / 0.00% | 11.30 | 11.40 | 11.30 | 11.40 | 11.36 | 6.64 | 7,043 |   |  
            | 12/1/2017 | +0.10 / +0.88% | 11.20 | 11.40 | 11.20 | 11.40 | 11.25 | 6.64 | 8,900 |   |  			
            | 11/30/2017 | 0.00 / 0.00% | 11.30 | 11.30 | 11.20 | 11.30 | 11.28 | 6.58 | 5,600 |   |  
            | 11/29/2017 | -0.10 / -0.88% | 11.20 | 11.60 | 11.10 | 11.30 | 11.25 | 6.58 | 29,520 |   |  			
            | 11/28/2017 | 0.00 / 0.00% | 11.10 | 11.40 | 11.10 | 11.40 | 11.18 | 6.64 | 7,000 |   |  
            | 11/27/2017 | +0.10 / +0.88% | 11.30 | 11.40 | 11.30 | 11.40 | 11.32 | 6.64 | 3,300 |   |  			
            | 11/24/2017 | +0.20 / +1.80% | 11.00 | 11.30 | 10.80 | 11.30 | 10.86 | 6.58 | 158,700 |   |  
            | 11/23/2017 | +0.50 / +4.72% | 10.60 | 11.10 | 10.60 | 11.10 | 10.93 | 6.46 | 4,500 |   |  			
            | 11/22/2017 | -0.40 / -3.64% | 10.90 | 11.00 | 10.60 | 10.60 | 10.75 | 6.17 | 19,180 |   |  
            | 11/21/2017 | -0.40 / -3.51% | 11.40 | 11.40 | 11.00 | 11.00 | 11.07 | 6.40 | 2,233 |   |  			
            | 11/20/2017 | -0.60 / -5.00% | 10.80 | 11.80 | 10.80 | 11.40 | 11.18 | 6.64 | 27,800 |   |  
            | 11/17/2017 | -0.30 / -2.44% | 11.10 | 12.40 | 11.10 | 12.00 | 11.68 | 6.99 | 35,200 |   |  			
            | 11/16/2017 | 0.00 / 0.00% | 12.20 | 12.30 | 12.20 | 12.30 | 12.22 | 7.16 | 5,300 |   |  
            | 11/15/2017 | +0.30 / +2.50% | 12.30 | 12.30 | 12.30 | 12.30 | 12.30 | 7.16 | 147 |   |  |