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                    Closing price on 3/23/2011
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        |           
                
                    | Open | 28.70 |  
                    | High | 28.70 |  
                    | Low | 28.50 |  
                    | Volume | 10,610 |  
                    | Split-adjusted Price | 5.41 |  
                
             | 
 |  PDR Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/23/2011 | 0.00 / 0.00% | 28.70 | 28.70 | 28.50 | 28.50 | 28.50 | 5.41 | 10,610 |   |  
            | 3/22/2011 | -0.10 / -0.35% | 29.50 | 29.50 | 27.30 | 28.50 | 28.50 | 5.41 | 10,530 |   |  			
            | 3/21/2011 | -0.20 / -0.69% | 28.80 | 28.90 | 28.60 | 28.60 | 28.60 | 5.43 | 17,060 |   |  
            | 3/18/2011 | +0.20 / +0.70% | 29.00 | 29.00 | 28.60 | 28.80 | 28.80 | 5.47 | 17,640 |   |  			
            | 3/17/2011 | +0.30 / +1.06% | 28.30 | 28.60 | 28.30 | 28.60 | 28.60 | 5.43 | 4,250 |   |  
            | 3/16/2011 | +0.10 / +0.35% | 28.20 | 29.00 | 28.20 | 28.30 | 28.30 | 5.37 | 4,220 |   |  			
            | 3/15/2011 | +0.10 / +0.36% | 28.10 | 28.20 | 28.10 | 28.20 | 28.20 | 5.36 | 2,220 |   |  
            | 3/14/2011 | -1.30 / -4.42% | 29.50 | 29.50 | 28.00 | 28.10 | 28.10 | 5.34 | 56,010 |   |  			
            | 3/11/2011 | -1.00 / -3.29% | 30.40 | 30.40 | 29.10 | 29.40 | 29.40 | 5.58 | 40,850 |   |  
            | 3/10/2011 | -0.10 / -0.33% | 30.50 | 30.90 | 30.40 | 30.40 | 30.40 | 5.58 | 35,430 |   |  			
            | 3/9/2011 | 0.00 / 0.00% | 30.00 | 30.50 | 30.00 | 30.50 | 30.50 | 5.60 | 6,120 |   |  
            | 3/8/2011 | 0.00 / 0.00% | 32.00 | 32.00 | 30.00 | 30.50 | 30.50 | 5.60 | 76,790 |   |  			
            | 3/7/2011 | +0.50 / +1.67% | 30.00 | 30.50 | 29.80 | 30.50 | 30.50 | 5.60 | 16,060 |   |  
            | 3/4/2011 | -0.10 / -0.33% | 30.10 | 30.10 | 29.80 | 30.00 | 30.00 | 5.51 | 7,260 |   |  			
            | 3/3/2011 | +0.10 / +0.33% | 30.20 | 30.20 | 30.00 | 30.10 | 30.10 | 5.53 | 7,010 |   |  
            | 3/2/2011 | -1.00 / -3.23% | 30.50 | 30.50 | 29.50 | 30.00 | 30.00 | 5.51 | 86,850 |   |  			
            | 3/1/2011 | -0.60 / -1.90% | 31.50 | 31.50 | 31.00 | 31.00 | 31.00 | 5.69 | 9,310 |   |  
            | 2/28/2011 | +0.10 / +0.32% | 31.50 | 31.70 | 31.50 | 31.60 | 31.60 | 5.80 | 4,790 |   |  			
            | 2/25/2011 | +0.60 / +1.94% | 31.00 | 31.50 | 30.30 | 31.50 | 31.50 | 5.79 | 7,610 |   |  
            | 2/24/2011 | -1.30 / -4.04% | 32.00 | 32.90 | 30.90 | 30.90 | 30.90 | 5.68 | 81,740 |   |  			
            | 2/23/2011 | 0.00 / 0.00% | 32.20 | 32.20 | 30.90 | 32.20 | 32.20 | 5.91 | 20,010 |   |  
            | 2/22/2011 | -1.60 / -4.73% | 32.30 | 33.40 | 32.20 | 32.20 | 32.20 | 5.91 | 10,950 |   |  			
            | 2/21/2011 | +1.30 / +4.00% | 32.30 | 33.80 | 30.90 | 33.80 | 33.80 | 6.21 | 30,650 |   |  
            | 2/18/2011 | +0.10 / +0.31% | 30.80 | 33.80 | 30.80 | 32.50 | 32.50 | 5.97 | 92,020 |   |  			
            | 2/17/2011 | -0.30 / -0.92% | 32.70 | 32.70 | 32.40 | 32.40 | 32.40 | 5.95 | 12,150 |   |  
            | 2/16/2011 | -1.20 / -3.54% | 33.00 | 33.00 | 32.70 | 32.70 | 32.70 | 6.01 | 13,220 |   |  			
            | 2/15/2011 | +0.70 / +2.11% | 33.30 | 33.90 | 32.90 | 33.90 | 33.90 | 6.23 | 11,210 |   |  
            | 2/14/2011 | -0.80 / -2.35% | 33.90 | 34.90 | 33.20 | 33.20 | 33.20 | 6.10 | 63,790 |   |  			
            | 2/11/2011 | +0.80 / +2.41% | 34.00 | 34.00 | 33.20 | 34.00 | 34.00 | 6.24 | 9,520 |   |  
            | 2/10/2011 | -0.80 / -2.35% | 33.80 | 33.80 | 33.20 | 33.20 | 33.20 | 6.10 | 13,830 |   |  |