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                    Closing price on 12/7/2017
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        |           
                
                    | Open | 11.40 |  
                    | High | 11.40 |  
                    | Low | 11.40 |  
                    | Volume | 5,390 |  
                    | Split-adjusted Price | 6.64 |  
                
             | 
 |  PDB Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  
            | 11/14/2017 | -0.20 / -1.64% | 12.10 | 12.10 | 12.00 | 12.00 | 12.02 | 6.99 | 10,100 |   |  			
            | 11/13/2017 | 0.00 / 0.00% | 12.20 | 12.20 | 12.20 | 12.20 | 12.20 | 7.10 | 6,000 |   |  
            | 11/10/2017 | -0.10 / -0.81% | 12.30 | 12.30 | 12.20 | 12.20 | 12.29 | 7.10 | 1,350 |   |  			
            | 11/9/2017 | 0.00 / 0.00% | 12.30 | 12.30 | 12.30 | 12.30 | 12.30 | 7.16 | 1,500 |   |  
            | 11/8/2017 | -0.20 / -1.60% | 12.30 | 12.30 | 12.30 | 12.30 | 12.30 | 7.16 | 50,130 |   |  			
            | 11/7/2017 | +0.60 / +5.04% | 11.80 | 12.60 | 11.60 | 12.50 | 12.05 | 7.28 | 208,400 |   |  
            | 11/6/2017 | -0.40 / -3.25% | 12.00 | 12.10 | 11.90 | 11.90 | 11.95 | 6.93 | 22,500 |   |  			
            | 11/3/2017 | -0.10 / -0.81% | 12.40 | 12.40 | 11.90 | 12.30 | 12.12 | 7.16 | 25,560 |   |  
            | 11/2/2017 | -0.20 / -1.59% | 12.50 | 12.50 | 12.00 | 12.40 | 12.36 | 7.22 | 3,200 |   |  			
            | 11/1/2017 | +0.60 / +5.00% | 12.50 | 12.60 | 12.20 | 12.60 | 12.43 | 7.34 | 3,200 |   |  
            | 10/31/2017 | -0.90 / -6.98% | 12.80 | 12.80 | 12.00 | 12.00 | 12.05 | 6.99 | 34,800 |   |  			
            | 10/30/2017 | -0.10 / -0.77% | 13.00 | 13.00 | 12.90 | 12.90 | 13.00 | 7.51 | 9,900 |   |  
            | 10/27/2017 | -0.20 / -1.52% | 13.10 | 13.10 | 12.90 | 13.00 | 12.99 | 7.57 | 9,190 |   |  |