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                    Closing price on 1/31/2012
                 |  |  
    
        |           
                
                    | Open | 29.40 |  
                    | High | 29.40 |  
                    | Low | 28.70 |  
                    | Volume | 26,000 |  
                    | Split-adjusted Price | 6.43 |  
                
             | 
 |  PHR Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/31/2012 | +0.30 / +1.03% | 29.40 | 29.40 | 28.70 | 29.30 | 29.30 | 6.43 | 26,000 |   |  
            | 1/30/2012 | +1.30 / +4.69% | 27.80 | 29.00 | 27.80 | 29.00 | 29.00 | 6.37 | 49,940 |   |  			
            | 1/20/2012 | -0.20 / -0.72% | 27.90 | 27.90 | 26.60 | 27.70 | 27.70 | 6.08 | 15,510 |   |  
            | 1/19/2012 | +0.30 / +1.09% | 27.60 | 27.90 | 27.60 | 27.90 | 27.90 | 6.13 | 4,110 |   |  			
            | 1/18/2012 | +0.60 / +2.22% | 26.80 | 27.60 | 26.50 | 27.60 | 27.60 | 6.06 | 9,950 |   |  
            | 1/17/2012 | -0.70 / -2.53% | 27.20 | 27.20 | 27.00 | 27.00 | 27.00 | 5.93 | 6,460 |   |  			
            | 1/16/2012 | -0.10 / -0.36% | 28.50 | 28.50 | 27.70 | 27.70 | 27.70 | 6.08 | 7,170 |   |  
            | 1/13/2012 | +1.10 / +4.12% | 26.80 | 27.80 | 26.80 | 27.80 | 27.80 | 6.10 | 35,510 |   |  			
            | 1/12/2012 | 0.00 / 0.00% | 26.70 | 26.80 | 25.80 | 26.70 | 26.70 | 5.86 | 6,430 |   |  
            | 1/11/2012 | +1.10 / +4.30% | 25.60 | 26.70 | 25.40 | 26.70 | 26.70 | 5.86 | 31,110 |   |  			
            | 1/10/2012 | -0.40 / -1.54% | 25.10 | 26.00 | 25.10 | 25.60 | 25.60 | 5.62 | 27,940 |   |  
            | 1/9/2012 | -1.30 / -4.76% | 26.50 | 26.50 | 26.00 | 26.00 | 26.00 | 5.71 | 30,430 |   |  			
            | 1/6/2012 | +1.30 / +5.00% | 26.50 | 27.30 | 26.00 | 27.30 | 27.30 | 5.99 | 42,560 |   |  
            | 1/5/2012 | -0.80 / -2.99% | 26.80 | 26.80 | 25.50 | 26.00 | 26.00 | 5.71 | 23,150 |   |  			
            | 1/4/2012 | +1.20 / +4.69% | 25.30 | 26.80 | 25.30 | 26.80 | 26.80 | 5.88 | 15,160 |   |  
            | 1/3/2012 | -0.60 / -2.29% | 27.00 | 27.00 | 25.60 | 25.60 | 25.60 | 5.62 | 3,650 |   |  			
            | 12/30/2011 | -1.30 / -4.73% | 27.00 | 27.00 | 26.20 | 26.20 | 26.20 | 5.75 | 20,190 |   |  
            | 12/29/2011 | -1.40 / -4.84% | 28.00 | 28.10 | 27.50 | 27.50 | 27.50 | 6.04 | 14,860 |   |  			
            | 12/28/2011 | +1.30 / +4.71% | 27.60 | 28.90 | 27.60 | 28.90 | 28.90 | 6.35 | 68,280 |   |  
            | 12/27/2011 | -0.20 / -0.72% | 26.80 | 27.60 | 26.80 | 27.60 | 27.60 | 6.06 | 5,470 |   |  			
            | 12/26/2011 | +1.30 / +4.91% | 26.00 | 27.80 | 26.00 | 27.80 | 27.80 | 6.10 | 119,890 |   |  
            | 12/23/2011 | +0.50 / +1.92% | 26.00 | 26.50 | 26.00 | 26.50 | 26.50 | 5.82 | 350 |   |  			
            | 12/22/2011 | -1.30 / -4.76% | 26.40 | 26.40 | 26.00 | 26.00 | 26.00 | 5.71 | 8,740 |   |  
            | 12/21/2011 | +1.30 / +5.00% | 25.90 | 27.30 | 25.90 | 27.30 | 27.30 | 5.99 | 75,060 |   |  			
            | 12/20/2011 | -1.00 / -3.70% | 27.00 | 27.00 | 26.00 | 26.00 | 26.00 | 5.71 | 5,890 |   |  
            | 12/19/2011 | +1.20 / +4.65% | 25.00 | 27.00 | 25.00 | 27.00 | 27.00 | 5.93 | 78,290 |   |  			
            | 12/16/2011 | +1.20 / +4.88% | 24.30 | 25.80 | 24.30 | 25.80 | 25.80 | 5.66 | 227,360 |   |  
            | 12/15/2011 | -0.30 / -1.20% | 24.90 | 24.90 | 24.00 | 24.60 | 24.60 | 5.40 | 6,430 |   |  			
            | 12/14/2011 | +0.90 / +3.75% | 23.90 | 25.00 | 23.90 | 24.90 | 24.90 | 5.47 | 274,200 |   |  
            | 12/13/2011 | -0.90 / -3.61% | 24.80 | 24.80 | 24.00 | 24.00 | 24.00 | 5.27 | 18,900 |   |  |