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                    Closing price on 9/9/2013
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        |           
                
                    | Open | 6.60 |  
                    | High | 6.60 |  
                    | Low | 6.60 |  
                    | Volume | 16,200 |  
                    | Split-adjusted Price | 4.52 |  
                
             | 
 |  POT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/9/2013 | -0.10 / -1.49% | 6.60 | 6.60 | 6.60 | 6.60 | 6.60 | 4.52 | 16,200 |   |  
            | 9/6/2013 | 0.00 / 0.00% | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 4.59 | 3,600 |   |  			
            | 9/5/2013 | 0.00 / 0.00% | 6.80 | 6.80 | 6.70 | 6.70 | 6.77 | 4.59 | 4,720 |   |  
            | 9/4/2013 | 0.00 / 0.00% | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 4.59 | 7,600 |   |  			
            | 9/3/2013 | -0.10 / -1.47% | 6.80 | 6.80 | 6.70 | 6.70 | 6.76 | 4.59 | 3,000 |   |  
            | 8/30/2013 | -0.20 / -2.86% | 6.90 | 6.90 | 6.80 | 6.80 | 6.86 | 4.66 | 4,700 |   |  			
            | 8/29/2013 | 0.00 / 0.00% | 7.00 | 7.00 | 7.00 | 7.00 | 7.00 | 4.80 | 0 |   |  
            | 8/28/2013 | 0.00 / 0.00% | 6.90 | 7.00 | 6.90 | 7.00 | 6.94 | 4.80 | 4,000 |   |  			
            | 8/27/2013 | +0.10 / +1.45% | 7.10 | 7.10 | 7.00 | 7.00 | 7.05 | 4.80 | 13,300 |   |  
            | 8/26/2013 | -0.10 / -1.43% | 7.00 | 7.00 | 6.90 | 6.90 | 6.94 | 4.73 | 12,000 |   |  			
            | 8/23/2013 | 0.00 / 0.00% | 7.00 | 7.00 | 6.70 | 7.00 | 6.84 | 4.80 | 11,600 |   |  
            | 8/22/2013 | 0.00 / 0.00% | 7.10 | 7.10 | 7.00 | 7.00 | 7.01 | 4.80 | 21,600 |   |  			
            | 8/21/2013 | 0.00 / 0.00% | 7.00 | 7.00 | 7.00 | 7.00 | 7.00 | 4.80 | 14,100 |   |  
            | 8/20/2013 | 0.00 / 0.00% | 7.50 | 7.50 | 7.00 | 7.00 | 7.01 | 4.80 | 15,500 |   |  			
            | 8/19/2013 | -0.20 / -2.78% | 7.10 | 7.10 | 6.90 | 7.00 | 7.02 | 4.80 | 13,200 |   |  
            | 8/16/2013 | -0.10 / -1.37% | 7.20 | 7.30 | 7.20 | 7.20 | 7.20 | 4.93 | 12,300 |   |  			
            | 8/15/2013 | 0.00 / 0.00% | 7.30 | 7.30 | 7.30 | 7.30 | 7.30 | 5.00 | 0 |   |  
            | 8/14/2013 | +0.10 / +1.39% | 7.10 | 7.30 | 7.10 | 7.30 | 7.12 | 5.00 | 1,100 |   |  			
            | 8/13/2013 | +0.10 / +1.41% | 7.20 | 7.20 | 7.20 | 7.20 | 7.20 | 4.93 | 400 |   |  
            | 8/12/2013 | 0.00 / 0.00% | 7.10 | 7.10 | 7.10 | 7.10 | 7.10 | 4.87 | 1,568 |   |  			
            | 8/9/2013 | -0.10 / -1.39% | 7.20 | 7.20 | 7.10 | 7.10 | 7.16 | 4.87 | 13,000 |   |  
            | 8/8/2013 | 0.00 / 0.00% | 7.50 | 7.50 | 7.20 | 7.20 | 7.23 | 4.93 | 9,100 |   |  			
            | 8/7/2013 | -0.10 / -1.37% | 7.20 | 7.20 | 7.20 | 7.20 | 7.20 | 4.93 | 3,100 |   |  
            | 8/6/2013 | +0.10 / +1.39% | 7.20 | 7.30 | 7.20 | 7.30 | 7.24 | 5.00 | 13,500 |   |  			
            | 8/5/2013 | 0.00 / 0.00% | 7.20 | 7.20 | 7.20 | 7.20 | 7.20 | 4.93 | 17,500 |   |  
            | 8/2/2013 | -0.10 / -1.37% | 7.30 | 7.30 | 7.20 | 7.20 | 7.25 | 4.93 | 6,482 |   |  			
            | 8/1/2013 | +0.10 / +1.39% | 7.20 | 7.30 | 7.20 | 7.30 | 7.21 | 5.00 | 2,200 |   |  
            | 7/31/2013 | -0.10 / -1.37% | 7.20 | 7.20 | 7.20 | 7.20 | 7.20 | 4.93 | 10,300 |   |  			
            | 7/30/2013 | 0.00 / 0.00% | 7.20 | 7.30 | 7.20 | 7.30 | 7.30 | 5.00 | 10,554 |   |  
            | 7/29/2013 | 0.00 / 0.00% | 7.30 | 7.30 | 7.30 | 7.30 | 7.30 | 5.00 | 5,700 |   |  |