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                    Closing price on 5/10/2013
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                    | Open | 16.40 |  
                    | High | 16.40 |  
                    | Low | 16.30 |  
                    | Volume | 28,163 |  
                    | Split-adjusted Price | 5.06 |  
                
             | 
 |  PLC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/10/2013 | -0.20 / -1.21% | 16.40 | 16.40 | 16.30 | 16.30 | 16.34 | 5.06 | 28,163 |   |  
            | 5/9/2013 | 0.00 / 0.00% | 16.50 | 16.60 | 16.30 | 16.50 | 16.49 | 5.12 | 7,795 |   |  			
            | 5/8/2013 | +0.20 / +1.23% | 16.30 | 16.50 | 16.30 | 16.50 | 16.35 | 5.12 | 36,310 |   |  
            | 5/7/2013 | 0.00 / 0.00% | 16.30 | 16.30 | 16.00 | 16.30 | 16.19 | 5.06 | 43,434 |   |  			
            | 5/6/2013 | 0.00 / 0.00% | 16.30 | 16.40 | 16.10 | 16.30 | 16.27 | 5.06 | 24,867 |   |  
            | 5/3/2013 | +0.30 / +1.88% | 16.00 | 16.30 | 16.00 | 16.30 | 16.02 | 5.06 | 13,700 |   |  			
            | 5/2/2013 | -0.10 / -0.62% | 16.10 | 16.10 | 16.00 | 16.00 | 16.00 | 4.96 | 220,200 |   |  
            | 4/26/2013 | +0.10 / +0.63% | 16.00 | 16.10 | 15.90 | 16.10 | 16.00 | 4.99 | 245,600 |   |  			
            | 4/25/2013 | +0.20 / +1.27% | 15.90 | 16.00 | 15.90 | 16.00 | 15.95 | 4.96 | 4,000 |   |  
            | 4/24/2013 | 0.00 / 0.00% | 15.80 | 15.90 | 15.80 | 15.80 | 15.87 | 4.90 | 2,900 |   |  			
            | 4/23/2013 | 0.00 / 0.00% | 16.00 | 16.00 | 15.80 | 15.80 | 15.96 | 4.90 | 7,700 |   |  
            | 4/22/2013 | -0.10 / -0.63% | 15.90 | 15.90 | 15.70 | 15.80 | 15.75 | 4.90 | 10,000 |   |  			
            | 4/18/2013 | -0.20 / -1.24% | 16.00 | 16.00 | 15.90 | 15.90 | 15.91 | 4.93 | 10,600 |   |  
            | 4/17/2013 | -0.10 / -0.62% | 17.20 | 17.20 | 15.80 | 16.10 | 16.04 | 4.99 | 13,600 |   |  			
            | 4/16/2013 | +0.30 / +1.89% | 15.80 | 16.20 | 15.60 | 16.20 | 15.90 | 5.03 | 33,300 |   |  
            | 4/15/2013 | -0.50 / -3.05% | 16.40 | 16.40 | 15.80 | 15.90 | 16.12 | 4.93 | 99,600 |   |  			
            | 4/12/2013 | -0.40 / -2.38% | 16.60 | 16.80 | 16.40 | 16.40 | 16.58 | 5.09 | 28,884 |   |  
            | 4/11/2013 | +0.30 / +1.82% | 16.50 | 16.90 | 16.40 | 16.80 | 16.67 | 5.21 | 36,540 |   |  			
            | 4/10/2013 | +0.30 / +1.85% | 16.00 | 17.30 | 16.00 | 16.50 | 16.47 | 5.12 | 318,442 |   |  
            | 4/9/2013 | -0.20 / -1.22% | 16.20 | 16.20 | 16.00 | 16.20 | 16.05 | 5.03 | 4,600 |   |  			
            | 4/8/2013 | +0.50 / +3.14% | 16.20 | 16.40 | 16.20 | 16.40 | 16.29 | 5.09 | 1,060 |   |  
            | 4/5/2013 | +0.10 / +0.63% | 15.80 | 16.00 | 15.70 | 15.90 | 15.88 | 4.93 | 6,940 |   |  			
            | 4/4/2013 | -0.10 / -0.63% | 15.90 | 15.90 | 15.80 | 15.80 | 15.82 | 4.90 | 2,592 |   |  
            | 4/3/2013 | -0.10 / -0.63% | 16.00 | 16.20 | 15.90 | 15.90 | 15.96 | 4.93 | 34,100 |   |  			
            | 4/2/2013 | +0.30 / +1.91% | 16.00 | 16.10 | 15.90 | 16.00 | 15.99 | 4.96 | 8,100 |   |  
            | 4/1/2013 | -0.30 / -1.88% | 15.90 | 16.00 | 15.70 | 15.70 | 15.90 | 4.87 | 49,929 |   |  			
            | 3/29/2013 | +0.10 / +0.63% | 15.70 | 16.00 | 15.60 | 16.00 | 15.85 | 4.96 | 9,800 |   |  
            | 3/28/2013 | 0.00 / 0.00% | 15.90 | 15.90 | 15.90 | 15.90 | 15.90 | 4.93 | 29,392 |   |  			
            | 3/27/2013 | -0.10 / -0.63% | 16.00 | 16.00 | 15.90 | 15.90 | 15.91 | 4.93 | 8,200 |   |  
            | 3/26/2013 | +0.10 / +0.63% | 16.00 | 16.00 | 16.00 | 16.00 | 16.00 | 4.96 | 11,600 |   |  |