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                    Closing price on 10/1/2012
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                    | Open | 10.70 |  
                    | High | 10.70 |  
                    | Low | 10.40 |  
                    | Volume | 65,520 |  
                    | Split-adjusted Price | 3.33 |  
                
             | 
 |  PET Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/1/2012 | -0.10 / -0.93% | 10.70 | 10.70 | 10.40 | 10.60 | 10.60 | 3.33 | 65,520 |   |  
            | 9/28/2012 | -0.10 / -0.93% | 10.70 | 10.80 | 10.70 | 10.70 | 10.70 | 3.36 | 24,880 |   |  			
            | 9/27/2012 | -0.10 / -0.92% | 10.90 | 10.90 | 10.80 | 10.80 | 10.80 | 3.40 | 23,100 |   |  
            | 9/26/2012 | +0.10 / +0.93% | 10.80 | 11.00 | 10.80 | 10.90 | 10.90 | 3.43 | 7,770 |   |  			
            | 9/25/2012 | 0.00 / 0.00% | 10.80 | 10.90 | 10.70 | 10.80 | 10.80 | 3.40 | 31,420 |   |  
            | 9/24/2012 | -0.20 / -1.82% | 11.00 | 11.00 | 10.80 | 10.80 | 10.80 | 3.40 | 64,930 |   |  			
            | 9/21/2012 | +0.10 / +0.92% | 10.80 | 11.10 | 10.80 | 11.00 | 11.00 | 3.46 | 86,770 |   |  
            | 9/20/2012 | -0.10 / -0.91% | 10.90 | 10.90 | 10.80 | 10.90 | 10.90 | 3.43 | 62,790 |   |  			
            | 9/19/2012 | +0.10 / +0.92% | 10.90 | 11.00 | 10.70 | 11.00 | 11.00 | 3.46 | 42,820 |   |  
            | 9/18/2012 | -0.30 / -2.68% | 11.10 | 11.30 | 10.90 | 10.90 | 10.90 | 3.43 | 194,560 |   |  			
            | 9/17/2012 | -0.20 / -1.75% | 11.40 | 11.40 | 11.20 | 11.20 | 11.20 | 3.52 | 42,840 |   |  
            | 9/14/2012 | +0.20 / +1.79% | 11.30 | 11.40 | 11.30 | 11.40 | 11.40 | 3.58 | 171,230 |   |  			
            | 9/13/2012 | +0.10 / +0.90% | 11.10 | 11.30 | 10.90 | 11.20 | 11.20 | 3.52 | 67,800 |   |  
            | 9/12/2012 | 0.00 / 0.00% | 11.20 | 11.30 | 11.10 | 11.10 | 11.10 | 3.49 | 166,390 |   |  			
            | 9/11/2012 | 0.00 / 0.00% | 11.00 | 11.30 | 11.00 | 11.10 | 11.10 | 3.49 | 124,870 |   |  
            | 9/10/2012 | -0.30 / -2.63% | 11.40 | 11.40 | 11.00 | 11.10 | 11.10 | 3.49 | 194,830 |   |  			
            | 9/7/2012 | +0.10 / +0.88% | 11.20 | 11.40 | 11.10 | 11.40 | 11.40 | 3.58 | 113,570 |   |  
            | 9/6/2012 | 0.00 / 0.00% | 11.30 | 11.30 | 11.20 | 11.30 | 11.30 | 3.55 | 76,340 |   |  			
            | 9/5/2012 | -0.10 / -0.88% | 11.40 | 11.40 | 11.10 | 11.30 | 11.30 | 3.55 | 150,600 |   |  
            | 9/4/2012 | 0.00 / 0.00% | 11.30 | 11.50 | 11.30 | 11.40 | 11.40 | 3.58 | 84,680 |   |  			
            | 8/31/2012 | 0.00 / 0.00% | 11.50 | 11.50 | 11.30 | 11.40 | 11.40 | 3.58 | 33,800 |   |  
            | 8/30/2012 | -0.20 / -1.72% | 11.50 | 11.60 | 11.40 | 11.40 | 11.40 | 3.58 | 61,990 |   |  			
            | 8/29/2012 | +0.40 / +3.57% | 11.40 | 11.60 | 11.20 | 11.60 | 11.60 | 3.65 | 107,720 |   |  
            | 8/28/2012 | +0.20 / +1.82% | 11.00 | 11.20 | 10.70 | 11.20 | 11.20 | 3.52 | 48,750 |   |  			
            | 8/27/2012 | -0.50 / -4.35% | 11.20 | 11.50 | 11.00 | 11.00 | 11.00 | 3.46 | 291,000 |   |  
            | 8/24/2012 | +0.40 / +3.60% | 10.60 | 11.60 | 10.60 | 11.50 | 11.50 | 3.62 | 320,940 |   |  			
            | 8/23/2012 | -0.50 / -4.31% | 11.30 | 11.50 | 11.10 | 11.10 | 11.10 | 3.49 | 179,830 |   |  
            | 8/22/2012 | 0.00 / 0.00% | 11.20 | 11.80 | 11.20 | 11.60 | 11.60 | 3.65 | 397,430 |   |  			
            | 8/21/2012 | -0.60 / -4.92% | 12.10 | 12.10 | 11.60 | 11.60 | 11.60 | 3.65 | 239,060 |   |  
            | 8/20/2012 | +0.20 / +1.67% | 12.00 | 12.20 | 12.00 | 12.20 | 12.20 | 3.84 | 130,960 |   |  |