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                    Closing price on 6/20/2013
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        |           
                
                    | Open | 7.40 |  
                    | High | 7.40 |  
                    | Low | 7.30 |  
                    | Volume | 28,600 |  
                    | Split-adjusted Price | 5.07 |  
                
             | 
 |  POT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/20/2013 | 0.00 / 0.00% | 7.40 | 7.40 | 7.30 | 7.40 | 7.39 | 5.07 | 28,600 |   |  
            | 6/19/2013 | 0.00 / 0.00% | 7.40 | 7.40 | 7.40 | 7.40 | 7.40 | 5.07 | 12,343 |   |  			
            | 6/18/2013 | 0.00 / 0.00% | 7.40 | 7.40 | 7.40 | 7.40 | 7.40 | 5.07 | 20,700 |   |  
            | 6/17/2013 | -0.10 / -1.33% | 7.50 | 7.50 | 7.40 | 7.40 | 7.44 | 5.07 | 44,500 |   |  			
            | 6/14/2013 | 0.00 / 0.00% | 7.50 | 7.50 | 7.40 | 7.50 | 7.47 | 5.14 | 8,800 |   |  
            | 6/13/2013 | 0.00 / 0.00% | 7.50 | 7.50 | 7.40 | 7.50 | 7.43 | 5.14 | 9,100 |   |  			
            | 6/12/2013 | 0.00 / 0.00% | 7.00 | 7.60 | 7.00 | 7.50 | 7.51 | 5.14 | 6,212 |   |  
            | 6/11/2013 | -0.30 / -3.85% | 7.50 | 7.50 | 7.50 | 7.50 | 7.50 | 5.14 | 2,000 |   |  			
            | 6/10/2013 | +0.10 / +1.30% | 7.70 | 7.80 | 7.50 | 7.80 | 7.59 | 5.35 | 12,108 |   |  
            | 6/7/2013 | -0.10 / -1.28% | 7.80 | 7.90 | 7.70 | 7.70 | 7.73 | 5.28 | 5,108 |   |  			
            | 6/6/2013 | 0.00 / 0.00% | 7.60 | 7.80 | 7.60 | 7.80 | 7.70 | 5.35 | 8,396 |   |  
            | 6/5/2013 | +0.60 / +8.33% | 7.30 | 7.80 | 7.30 | 7.80 | 7.59 | 5.35 | 17,519 |   |  			
            | 6/4/2013 | -0.40 / -5.26% | 7.20 | 7.70 | 7.20 | 7.20 | 7.41 | 4.93 | 59,622 |   |  
            | 6/3/2013 | +0.30 / +4.11% | 7.20 | 7.60 | 7.20 | 7.60 | 7.24 | 5.21 | 10,300 |   |  			
            | 5/31/2013 | -0.20 / -2.67% | 7.60 | 7.60 | 7.10 | 7.30 | 7.30 | 5.00 | 37,228 |   |  
            | 5/30/2013 | +0.10 / +1.35% | 7.40 | 7.80 | 7.30 | 7.50 | 7.43 | 5.14 | 11,860 |   |  			
            | 5/29/2013 | -0.20 / -2.63% | 7.50 | 7.50 | 7.40 | 7.40 | 7.44 | 5.07 | 7,500 |   |  
            | 5/28/2013 | -0.20 / -2.56% | 7.80 | 7.80 | 7.40 | 7.60 | 7.51 | 5.21 | 19,100 |   |  			
            | 5/27/2013 | +0.10 / +1.30% | 7.80 | 7.80 | 7.50 | 7.80 | 7.63 | 5.35 | 8,488 |   |  
            | 5/24/2013 | +0.50 / +6.94% | 7.30 | 7.70 | 7.20 | 7.70 | 7.45 | 5.28 | 17,004 |   |  			
            | 5/23/2013 | -0.20 / -2.70% | 7.40 | 7.40 | 7.20 | 7.20 | 7.29 | 4.93 | 10,880 |   |  
            | 5/22/2013 | 0.00 / 0.00% | 7.30 | 7.40 | 7.20 | 7.40 | 7.31 | 5.07 | 30,308 |   |  			
            | 5/21/2013 | 0.00 / 0.00% | 7.10 | 7.40 | 7.00 | 7.40 | 7.09 | 5.07 | 9,000 |   |  
            | 5/20/2013 | +0.10 / +1.37% | 7.00 | 7.40 | 6.90 | 7.40 | 7.26 | 5.07 | 1,700 |   |  			
            | 5/17/2013 | +0.30 / +4.29% | 7.10 | 7.30 | 7.00 | 7.30 | 7.12 | 5.00 | 14,274 |   |  
            | 5/16/2013 | -0.70 / -9.09% | 7.60 | 7.70 | 7.00 | 7.00 | 7.18 | 4.80 | 59,996 |   |  			
            | 5/15/2013 | +0.10 / +1.32% | 7.60 | 7.70 | 7.60 | 7.70 | 7.60 | 5.28 | 2,400 |   |  
            | 5/14/2013 | -0.10 / -1.30% | 7.70 | 7.70 | 7.50 | 7.60 | 7.62 | 5.21 | 16,000 |   |  			
            | 5/13/2013 | -0.10 / -1.28% | 7.60 | 7.70 | 7.60 | 7.70 | 7.67 | 5.28 | 700 |   |  
            | 5/10/2013 | -0.10 / -1.27% | 7.80 | 7.80 | 7.70 | 7.80 | 7.75 | 5.35 | 4,416 |   |  |