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                    Closing price on 3/15/2011
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                    | Open | 14.00 |  
                    | High | 14.50 |  
                    | Low | 14.00 |  
                    | Volume | 161,290 |  
                    | Split-adjusted Price | 3.53 |  
                
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 |  PET Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/15/2011 | 0.00 / 0.00% | 14.00 | 14.50 | 14.00 | 14.20 | 14.20 | 3.53 | 161,290 |   |  
            | 3/14/2011 | -0.60 / -4.05% | 14.80 | 14.80 | 14.10 | 14.20 | 14.20 | 3.53 | 263,860 |   |  			
            | 3/11/2011 | +0.70 / +4.96% | 14.60 | 14.80 | 14.60 | 14.80 | 14.80 | 3.68 | 397,280 |   |  
            | 3/10/2011 | +0.60 / +4.44% | 13.50 | 14.10 | 13.50 | 14.10 | 14.10 | 3.50 | 148,450 |   |  			
            | 3/9/2011 | -0.10 / -0.74% | 13.60 | 13.60 | 13.20 | 13.50 | 13.50 | 3.35 | 98,190 |   |  
            | 3/8/2011 | 0.00 / 0.00% | 13.50 | 13.80 | 13.50 | 13.60 | 13.60 | 3.38 | 103,230 |   |  			
            | 3/7/2011 | +0.10 / +0.74% | 13.80 | 13.80 | 13.50 | 13.60 | 13.60 | 3.38 | 62,070 |   |  
            | 3/4/2011 | +0.10 / +0.75% | 13.50 | 13.70 | 13.30 | 13.50 | 13.50 | 3.35 | 147,490 |   |  			
            | 3/3/2011 | -0.20 / -1.47% | 13.30 | 13.70 | 13.30 | 13.40 | 13.40 | 3.33 | 175,080 |   |  
            | 3/2/2011 | -0.70 / -4.90% | 14.40 | 14.40 | 13.60 | 13.60 | 13.60 | 3.38 | 277,340 |   |  			
            | 3/1/2011 | -0.20 / -1.38% | 14.30 | 14.50 | 14.20 | 14.30 | 14.30 | 3.55 | 113,840 |   |  
            | 2/28/2011 | -0.30 / -2.03% | 14.80 | 15.00 | 14.40 | 14.50 | 14.50 | 3.60 | 143,680 |   |  			
            | 2/25/2011 | +0.30 / +2.07% | 14.60 | 14.80 | 14.50 | 14.80 | 14.80 | 3.68 | 89,520 |   |  
            | 2/24/2011 | -0.40 / -2.68% | 14.50 | 14.90 | 14.30 | 14.50 | 14.50 | 3.60 | 387,000 |   |  			
            | 2/23/2011 | +0.20 / +1.36% | 14.90 | 15.10 | 14.80 | 14.90 | 14.90 | 3.70 | 223,480 |   |  
            | 2/22/2011 | -0.60 / -3.92% | 14.80 | 15.10 | 14.60 | 14.70 | 14.70 | 3.65 | 502,100 |   |  			
            | 2/21/2011 | -0.80 / -4.97% | 15.70 | 15.90 | 15.30 | 15.30 | 15.30 | 3.80 | 235,380 |   |  
            | 2/18/2011 | -0.30 / -1.83% | 16.40 | 16.40 | 16.10 | 16.10 | 16.10 | 4.00 | 185,140 |   |  			
            | 2/17/2011 | -0.30 / -1.80% | 16.80 | 16.80 | 16.30 | 16.40 | 16.40 | 4.07 | 107,970 |   |  
            | 2/16/2011 | +0.10 / +0.60% | 16.70 | 17.00 | 16.70 | 16.70 | 16.70 | 4.15 | 301,090 |   |  			
            | 2/15/2011 | -0.10 / -0.60% | 16.50 | 16.70 | 16.50 | 16.60 | 16.60 | 4.12 | 118,940 |   |  
            | 2/14/2011 | -0.10 / -0.60% | 16.80 | 17.00 | 16.70 | 16.70 | 16.70 | 4.15 | 103,300 |   |  			
            | 2/11/2011 | -0.20 / -1.18% | 17.00 | 17.00 | 16.70 | 16.80 | 16.80 | 4.17 | 218,840 |   |  
            | 2/10/2011 | +0.10 / +0.59% | 16.90 | 17.00 | 16.80 | 17.00 | 17.00 | 4.22 | 130,900 |   |  			
            | 2/9/2011 | -0.30 / -1.74% | 17.40 | 17.40 | 16.90 | 16.90 | 16.90 | 4.20 | 294,530 |   |  
            | 2/8/2011 | +0.50 / +2.99% | 17.00 | 17.30 | 16.80 | 17.20 | 17.20 | 4.27 | 170,320 |   |  			
            | 1/28/2011 | +0.10 / +0.60% | 16.90 | 16.90 | 16.60 | 16.70 | 16.70 | 4.15 | 154,060 |   |  
            | 1/27/2011 | +0.20 / +1.22% | 16.70 | 16.70 | 16.40 | 16.60 | 16.60 | 4.12 | 146,850 |   |  			
            | 1/26/2011 | +0.10 / +0.61% | 16.30 | 16.70 | 16.30 | 16.40 | 16.40 | 4.07 | 188,770 |   |  
            | 1/25/2011 | -0.20 / -1.21% | 16.50 | 16.50 | 16.30 | 16.30 | 16.30 | 4.05 | 206,670 |   |  |  |  
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						| Market Update 
        
            
                Last updated at 3:10:01 PM
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