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                    Closing price on 12/17/2012
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                    | Open | 7.20 |  
                    | High | 7.50 |  
                    | Low | 7.20 |  
                    | Volume | 4,100 |  
                    | Split-adjusted Price | 4.75 |  
                
             | 
 |  POT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/17/2012 | -0.30 / -3.95% | 7.20 | 7.50 | 7.20 | 7.30 | 7.28 | 4.75 | 4,100 |   |  
            | 12/14/2012 | -0.10 / -1.30% | 7.60 | 7.60 | 7.40 | 7.60 | 7.52 | 4.95 | 12,000 |   |  			
            | 12/13/2012 | 0.00 / 0.00% | 7.50 | 7.70 | 7.50 | 7.70 | 7.51 | 5.01 | 11,700 |   |  
            | 12/12/2012 | -0.10 / -1.28% | 7.50 | 7.90 | 7.30 | 7.70 | 7.69 | 5.01 | 58,200 |   |  			
            | 12/11/2012 | 0.00 / 0.00% | 7.50 | 7.80 | 7.50 | 7.80 | 7.54 | 5.08 | 1,432 |   |  
            | 12/10/2012 | +0.50 / +6.85% | 7.30 | 7.80 | 7.30 | 7.80 | 7.69 | 5.08 | 38,929 |   |  			
            | 12/7/2012 | +0.30 / +4.29% | 7.10 | 7.30 | 7.00 | 7.30 | 7.14 | 4.75 | 55,100 |   |  
            | 12/6/2012 | -0.10 / -1.41% | 7.00 | 7.00 | 7.00 | 7.00 | 7.00 | 4.56 | 6,900 |   |  			
            | 12/5/2012 | 0.00 / 0.00% | 7.10 | 7.10 | 7.10 | 7.10 | 7.10 | 4.62 | 0 |   |  
            | 12/4/2012 | +0.10 / +1.43% | 7.00 | 7.10 | 7.00 | 7.10 | 7.00 | 4.62 | 3,200 |   |  			
            | 12/3/2012 | +0.20 / +2.94% | 6.70 | 7.00 | 6.70 | 7.00 | 6.73 | 4.56 | 1,100 |   |  
            | 11/30/2012 | -0.40 / -5.56% | 7.20 | 7.20 | 6.70 | 6.80 | 6.91 | 4.43 | 3,600 |   |  			
            | 11/29/2012 | 0.00 / 0.00% | 7.10 | 7.20 | 6.70 | 7.20 | 7.02 | 4.69 | 26,000 |   |  
            | 11/28/2012 | +0.10 / +1.41% | 7.20 | 7.20 | 7.00 | 7.20 | 7.08 | 4.69 | 12,700 |   |  			
            | 11/27/2012 | -0.20 / -2.74% | 7.20 | 7.30 | 7.10 | 7.10 | 7.17 | 4.62 | 1,800 |   |  
            | 11/26/2012 | +0.10 / +1.39% | 7.10 | 7.30 | 7.10 | 7.30 | 7.12 | 4.75 | 63,100 |   |  			
            | 11/23/2012 | -0.10 / -1.37% | 7.10 | 7.20 | 7.10 | 7.20 | 7.15 | 4.69 | 6,000 |   |  
            | 11/22/2012 | +0.30 / +4.29% | 7.00 | 7.30 | 7.00 | 7.30 | 7.03 | 4.75 | 1,100 |   |  			
            | 11/21/2012 | 0.00 / 0.00% | 7.00 | 7.00 | 7.00 | 7.00 | 7.00 | 4.56 | 7,700 |   |  
            | 11/20/2012 | 0.00 / 0.00% | 7.00 | 7.00 | 6.90 | 7.00 | 6.95 | 4.56 | 2,100 |   |  			
            | 11/19/2012 | +0.10 / +1.45% | 6.80 | 7.00 | 6.80 | 7.00 | 6.82 | 4.56 | 1,000 |   |  
            | 11/16/2012 | 0.00 / 0.00% | 6.90 | 6.90 | 6.90 | 6.90 | 6.90 | 4.49 | 2,100 |   |  			
            | 11/15/2012 | -0.10 / -1.43% | 7.00 | 7.00 | 6.90 | 6.90 | 6.98 | 4.49 | 1,300 |   |  
            | 11/14/2012 | -0.40 / -5.41% | 7.20 | 7.30 | 7.00 | 7.00 | 7.05 | 4.56 | 13,300 |   |  			
            | 11/13/2012 | 0.00 / 0.00% | 7.10 | 7.40 | 7.10 | 7.40 | 7.14 | 4.82 | 800 |   |  
            | 11/12/2012 | +0.10 / +1.37% | 7.10 | 7.40 | 7.00 | 7.40 | 7.03 | 4.82 | 2,177 |   |  			
            | 11/9/2012 | -0.10 / -1.35% | 7.10 | 7.30 | 7.00 | 7.30 | 7.09 | 4.75 | 6,100 |   |  
            | 11/8/2012 | +0.10 / +1.37% | 7.00 | 7.40 | 7.00 | 7.40 | 7.03 | 4.82 | 8,800 |   |  			
            | 11/7/2012 | -0.10 / -1.35% | 7.10 | 7.30 | 6.90 | 7.30 | 7.05 | 4.75 | 13,000 |   |  
            | 11/6/2012 | 0.00 / 0.00% | 7.60 | 7.60 | 7.10 | 7.40 | 7.19 | 4.82 | 900 |   |  |