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                    Closing price on 9/10/2012
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        |           
                
                    | Open | 6.80 |  
                    | High | 6.90 |  
                    | Low | 6.70 |  
                    | Volume | 20,770 |  
                    | Split-adjusted Price | 5.58 |  
                
             | 
 |  PIT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/10/2012 | -0.30 / -4.29% | 6.80 | 6.90 | 6.70 | 6.70 | 6.70 | 5.58 | 20,770 |   |  
            | 9/7/2012 | 0.00 / 0.00% | 7.00 | 7.00 | 6.80 | 7.00 | 7.00 | 5.83 | 100 |   |  			
            | 9/6/2012 | +0.30 / +4.48% | 7.00 | 7.00 | 7.00 | 7.00 | 7.00 | 5.83 | 10 |   |  
            | 9/5/2012 | -0.10 / -1.47% | 6.60 | 6.70 | 6.60 | 6.70 | 6.70 | 5.58 | 760 |   |  			
            | 9/4/2012 | -0.30 / -4.23% | 6.80 | 6.80 | 6.80 | 6.80 | 6.80 | 5.67 | 50 |   |  
            | 8/31/2012 | 0.00 / 0.00% | 7.10 | 7.10 | 7.10 | 7.10 | 7.10 | 5.92 | 0 |   |  			
            | 8/30/2012 | +0.30 / +4.41% | 7.10 | 7.10 | 6.50 | 7.10 | 7.10 | 5.92 | 7,070 |   |  
            | 8/29/2012 | -0.30 / -4.23% | 6.90 | 7.20 | 6.80 | 6.80 | 6.80 | 5.67 | 1,300 |   |  			
            | 8/28/2012 | -0.30 / -4.05% | 7.10 | 7.10 | 7.10 | 7.10 | 7.10 | 5.92 | 360 |   |  
            | 8/27/2012 | 0.00 / 0.00% | 7.40 | 7.40 | 7.40 | 7.40 | 7.40 | 6.17 | 0 |   |  			
            | 8/24/2012 | +0.30 / +4.23% | 6.80 | 7.40 | 6.80 | 7.40 | 7.40 | 6.17 | 5,970 |   |  
            | 8/23/2012 | -0.10 / -1.39% | 6.90 | 7.10 | 6.90 | 7.10 | 7.10 | 5.92 | 6,490 |   |  			
            | 8/22/2012 | +0.10 / +1.41% | 6.90 | 7.20 | 6.90 | 7.20 | 7.20 | 6.00 | 1,000 |   |  
            | 8/21/2012 | -0.10 / -1.39% | 7.10 | 7.10 | 6.90 | 7.10 | 7.10 | 5.92 | 5,940 |   |  			
            | 8/20/2012 | +0.30 / +4.35% | 7.10 | 7.20 | 6.90 | 7.20 | 7.20 | 6.00 | 6,450 |   |  
            | 8/17/2012 | 0.00 / 0.00% | 6.60 | 6.90 | 6.60 | 6.90 | 6.90 | 5.75 | 28,120 |   |  			
            | 8/16/2012 | -0.20 / -2.82% | 7.40 | 7.40 | 6.90 | 6.90 | 6.90 | 5.75 | 1,050 |   |  
            | 8/15/2012 | 0.00 / 0.00% | 7.10 | 7.10 | 7.10 | 7.10 | 7.10 | 5.92 | 140 |   |  			
            | 8/14/2012 | -0.30 / -4.05% | 7.40 | 7.40 | 7.10 | 7.10 | 7.10 | 5.92 | 9,410 |   |  
            | 8/13/2012 | 0.00 / 0.00% | 7.40 | 7.40 | 7.40 | 7.40 | 7.40 | 6.17 | 0 |   |  			
            | 8/10/2012 | 0.00 / 0.00% | 7.10 | 7.40 | 7.10 | 7.40 | 7.40 | 6.17 | 27,880 |   |  
            | 8/9/2012 | +0.20 / +2.78% | 7.30 | 7.40 | 7.20 | 7.40 | 7.40 | 6.17 | 5,020 |   |  			
            | 8/8/2012 | +0.20 / +2.86% | 7.20 | 7.20 | 7.20 | 7.20 | 7.20 | 6.00 | 50 |   |  
            | 8/7/2012 | +0.30 / +4.48% | 7.00 | 7.00 | 6.90 | 7.00 | 7.00 | 5.83 | 3,030 |   |  			
            | 8/6/2012 | -0.30 / -4.29% | 7.10 | 7.20 | 6.70 | 6.70 | 6.70 | 5.58 | 6,100 |   |  
            | 8/3/2012 | -0.10 / -1.41% | 7.10 | 7.20 | 7.00 | 7.00 | 7.00 | 5.83 | 650 |   |  			
            | 8/2/2012 | -0.10 / -1.39% | 7.20 | 7.20 | 7.10 | 7.10 | 7.10 | 5.92 | 1,570 |   |  
            | 8/1/2012 | -0.30 / -4.00% | 7.20 | 7.20 | 7.20 | 7.20 | 7.20 | 6.00 | 1,250 |   |  			
            | 7/31/2012 | -0.30 / -3.85% | 7.50 | 7.50 | 7.50 | 7.50 | 7.50 | 6.25 | 60 |   |  
            | 7/30/2012 | +0.30 / +4.00% | 7.50 | 7.80 | 7.50 | 7.80 | 7.80 | 6.50 | 360 |   |  |