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                    Closing price on 8/17/2011
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                    | Open | 30.50 |  
                    | High | 30.60 |  
                    | Low | 30.50 |  
                    | Volume | 1,820 |  
                    | Split-adjusted Price | 6.38 |  
                
             | 
 |  PHR Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/17/2011 | +0.30 / +0.99% | 30.50 | 30.60 | 30.50 | 30.60 | 30.60 | 6.38 | 1,820 |   |  
            | 8/16/2011 | +0.30 / +1.00% | 30.50 | 30.50 | 30.00 | 30.30 | 30.30 | 6.31 | 10,500 |   |  			
            | 8/15/2011 | +0.20 / +0.67% | 29.80 | 30.00 | 29.80 | 30.00 | 30.00 | 6.25 | 4,000 |   |  
            | 8/12/2011 | -0.10 / -0.33% | 29.80 | 29.80 | 29.50 | 29.80 | 29.80 | 6.21 | 9,760 |   |  			
            | 8/11/2011 | -0.20 / -0.66% | 28.90 | 30.20 | 28.90 | 29.90 | 29.90 | 6.23 | 19,300 |   |  
            | 8/10/2011 | +0.10 / +0.33% | 30.00 | 30.30 | 30.00 | 30.10 | 30.10 | 6.27 | 13,360 |   |  			
            | 8/9/2011 | -0.40 / -1.32% | 30.00 | 30.40 | 29.40 | 30.00 | 30.00 | 6.25 | 31,380 |   |  
            | 8/8/2011 | -0.30 / -0.98% | 30.40 | 30.40 | 30.40 | 30.40 | 30.40 | 6.33 | 14,300 |   |  			
            | 8/5/2011 | +0.20 / +0.66% | 30.20 | 30.70 | 30.20 | 30.70 | 30.70 | 6.40 | 22,400 |   |  
            | 8/4/2011 | +0.10 / +0.33% | 30.20 | 30.50 | 30.20 | 30.50 | 30.50 | 6.35 | 21,230 |   |  			
            | 8/3/2011 | 0.00 / 0.00% | 30.40 | 30.40 | 30.00 | 30.40 | 30.40 | 6.33 | 29,000 |   |  
            | 8/2/2011 | -0.10 / -0.33% | 30.50 | 30.50 | 30.40 | 30.40 | 30.40 | 6.33 | 11,700 |   |  			
            | 8/1/2011 | +0.30 / +0.99% | 30.20 | 30.60 | 30.20 | 30.50 | 30.50 | 6.35 | 38,340 |   |  
            | 7/29/2011 | 0.00 / 0.00% | 30.20 | 30.20 | 30.00 | 30.20 | 30.20 | 6.29 | 17,350 |   |  			
            | 7/28/2011 | -0.10 / -0.33% | 30.40 | 30.40 | 30.20 | 30.20 | 30.20 | 6.29 | 28,450 |   |  
            | 7/27/2011 | -0.10 / -0.33% | 30.40 | 30.40 | 30.30 | 30.30 | 30.30 | 6.31 | 19,570 |   |  			
            | 7/26/2011 | -0.10 / -0.33% | 30.50 | 30.50 | 30.40 | 30.40 | 30.40 | 6.33 | 31,670 |   |  
            | 7/25/2011 | -0.90 / -2.87% | 31.00 | 31.00 | 30.50 | 30.50 | 30.50 | 6.35 | 16,450 |   |  			
            | 7/22/2011 | +0.40 / +1.29% | 31.00 | 31.40 | 30.80 | 31.40 | 31.40 | 6.54 | 16,900 |   |  
            | 7/21/2011 | +0.10 / +0.32% | 30.90 | 31.00 | 30.60 | 31.00 | 31.00 | 6.46 | 25,200 |   |  			
            | 7/20/2011 | 0.00 / 0.00% | 30.50 | 31.00 | 30.40 | 30.90 | 30.90 | 6.44 | 47,310 |   |  
            | 7/19/2011 | -0.10 / -0.32% | 30.80 | 30.90 | 30.80 | 30.90 | 30.90 | 6.44 | 24,120 |   |  			
            | 7/18/2011 | 0.00 / 0.00% | 31.00 | 31.00 | 30.70 | 31.00 | 31.00 | 6.46 | 30,470 |   |  
            | 7/15/2011 | 0.00 / 0.00% | 31.00 | 31.00 | 30.80 | 31.00 | 31.00 | 6.46 | 36,750 |   |  			
            | 7/14/2011 | 0.00 / 0.00% | 31.00 | 31.00 | 30.90 | 31.00 | 31.00 | 6.46 | 37,360 |   |  
            | 7/13/2011 | -0.30 / -0.96% | 31.00 | 31.30 | 31.00 | 31.00 | 31.00 | 6.46 | 60,380 |   |  			
            | 7/12/2011 | +0.10 / +0.32% | 31.40 | 31.40 | 31.20 | 31.30 | 31.30 | 6.52 | 15,100 |   |  
            | 7/11/2011 | 0.00 / 0.00% | 30.90 | 31.50 | 30.90 | 31.20 | 31.20 | 6.50 | 9,080 |   |  			
            | 7/8/2011 | +0.30 / +0.97% | 30.90 | 31.20 | 30.90 | 31.20 | 31.20 | 6.50 | 11,410 |   |  
            | 7/7/2011 | +0.20 / +0.65% | 30.90 | 30.90 | 30.80 | 30.90 | 30.90 | 6.44 | 13,340 |   |  |