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                    Closing price on 8/19/2013
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        |           
                
                    | Open | 7.10 |  
                    | High | 7.10 |  
                    | Low | 6.90 |  
                    | Volume | 13,200 |  
                    | Split-adjusted Price | 4.80 |  
                
             | 
 |  POT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 7/26/2013 | -0.10 / -1.35% | 7.00 | 7.30 | 7.00 | 7.30 | 7.30 | 5.00 | 7,303 |   |  
            | 7/25/2013 | 0.00 / 0.00% | 7.40 | 7.40 | 7.40 | 7.40 | 7.40 | 5.07 | 9,000 |   |  			
            | 7/24/2013 | 0.00 / 0.00% | 7.40 | 7.40 | 7.40 | 7.40 | 7.40 | 5.07 | 24,380 |   |  
            | 7/23/2013 | 0.00 / 0.00% | 7.40 | 7.40 | 7.40 | 7.40 | 7.40 | 5.07 | 15,700 |   |  			
            | 7/22/2013 | 0.00 / 0.00% | 7.40 | 7.40 | 7.40 | 7.40 | 7.40 | 5.07 | 3,100 |   |  
            | 7/19/2013 | 0.00 / 0.00% | 7.40 | 7.40 | 7.40 | 7.40 | 7.40 | 5.07 | 7,000 |   |  			
            | 7/18/2013 | 0.00 / 0.00% | 7.50 | 7.50 | 7.30 | 7.40 | 7.40 | 5.07 | 26,414 |   |  
            | 7/17/2013 | 0.00 / 0.00% | 7.30 | 7.40 | 7.20 | 7.40 | 7.30 | 5.07 | 13,000 |   |  			
            | 7/16/2013 | 0.00 / 0.00% | 6.70 | 7.50 | 6.70 | 7.40 | 7.33 | 5.07 | 7,300 |   |  
            | 7/15/2013 | 0.00 / 0.00% | 7.30 | 7.40 | 7.30 | 7.40 | 7.30 | 5.07 | 3,300 |   |  			
            | 7/12/2013 | 0.00 / 0.00% | 7.30 | 7.40 | 7.30 | 7.40 | 7.35 | 5.07 | 23,100 |   |  
            | 7/11/2013 | 0.00 / 0.00% | 7.40 | 7.40 | 7.40 | 7.40 | 7.40 | 5.07 | 0 |   |  			
            | 7/10/2013 | 0.00 / 0.00% | 7.40 | 7.40 | 7.40 | 7.40 | 7.40 | 5.07 | 0 |   |  
            | 7/9/2013 | 0.00 / 0.00% | 7.50 | 7.50 | 7.40 | 7.40 | 7.41 | 5.07 | 9,700 |   |  |