| 
    
        
            | 
                    Closing price on 3/15/2013
                 |  |  
    
        |           
                
                    | Open | 6.40 |  
                    | High | 6.40 |  
                    | Low | 6.40 |  
                    | Volume | 110 |  
                    | Split-adjusted Price | 5.33 |  
                
             | 
 |  PIT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/15/2013 | 0.00 / 0.00% | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 5.33 | 110 |   |  
            | 3/14/2013 | 0.00 / 0.00% | 6.40 | 6.50 | 6.10 | 6.40 | 6.40 | 5.33 | 400 |   |  			
            | 3/13/2013 | 0.00 / 0.00% | 6.20 | 6.40 | 6.10 | 6.40 | 6.40 | 5.33 | 70 |   |  
            | 3/12/2013 | -0.10 / -1.54% | 6.30 | 6.40 | 6.30 | 6.40 | 6.40 | 5.33 | 110 |   |  			
            | 3/11/2013 | 0.00 / 0.00% | 6.50 | 6.50 | 6.50 | 6.50 | 6.50 | 5.42 | 2,550 |   |  
            | 3/8/2013 | 0.00 / 0.00% | 6.50 | 6.50 | 6.50 | 6.50 | 6.50 | 5.42 | 30 |   |  			
            | 3/7/2013 | 0.00 / 0.00% | 6.50 | 6.50 | 6.50 | 6.50 | 6.50 | 5.42 | 4,080 |   |  
            | 3/6/2013 | +0.10 / +1.56% | 6.50 | 6.50 | 6.50 | 6.50 | 6.50 | 5.42 | 1,480 |   |  			
            | 3/5/2013 | -0.10 / -1.54% | 6.50 | 6.50 | 6.10 | 6.40 | 6.40 | 5.33 | 620 |   |  
            | 3/4/2013 | +0.10 / +1.56% | 6.50 | 6.60 | 6.50 | 6.50 | 6.50 | 5.42 | 1,330 |   |  			
            | 3/1/2013 | -0.20 / -3.03% | 6.50 | 6.50 | 6.40 | 6.40 | 6.40 | 5.33 | 720 |   |  
            | 2/28/2013 | +0.10 / +1.54% | 6.60 | 6.60 | 6.60 | 6.60 | 6.60 | 5.50 | 10 |   |  			
            | 2/27/2013 | +0.10 / +1.56% | 6.50 | 6.50 | 6.50 | 6.50 | 6.50 | 5.42 | 10 |   |  
            | 2/26/2013 | 0.00 / 0.00% | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 5.33 | 0 |   |  			
            | 2/25/2013 | -0.30 / -4.48% | 6.70 | 6.70 | 6.40 | 6.40 | 6.40 | 5.33 | 1,110 |   |  
            | 2/22/2013 | 0.00 / 0.00% | 6.70 | 6.70 | 6.50 | 6.70 | 6.70 | 5.58 | 1,710 |   |  			
            | 2/21/2013 | 0.00 / 0.00% | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 5.58 | 950 |   |  
            | 2/20/2013 | 0.00 / 0.00% | 7.00 | 7.00 | 6.70 | 6.70 | 6.70 | 5.58 | 1,240 |   |  			
            | 2/19/2013 | 0.00 / 0.00% | 7.00 | 7.00 | 6.70 | 6.70 | 6.70 | 5.58 | 1,320 |   |  
            | 2/18/2013 | +0.10 / +1.52% | 6.60 | 6.70 | 6.60 | 6.70 | 6.70 | 5.58 | 49,770 |   |  			
            | 2/8/2013 | +0.30 / +4.76% | 6.40 | 6.60 | 6.40 | 6.60 | 6.60 | 5.50 | 920 |   |  
            | 2/7/2013 | -0.10 / -1.56% | 6.20 | 6.30 | 6.00 | 6.30 | 6.30 | 5.25 | 5,740 |   |  			
            | 2/6/2013 | +0.20 / +3.23% | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 5.33 | 10 |   |  
            | 2/5/2013 | +0.20 / +3.33% | 6.00 | 6.40 | 6.00 | 6.20 | 6.20 | 5.17 | 5,600 |   |  			
            | 2/4/2013 | -0.40 / -6.25% | 6.40 | 6.60 | 6.00 | 6.00 | 6.00 | 5.00 | 4,450 |   |  
            | 2/1/2013 | +0.10 / +1.59% | 6.30 | 6.40 | 6.30 | 6.40 | 6.40 | 5.33 | 9,170 |   |  			
            | 1/31/2013 | 0.00 / 0.00% | 6.30 | 6.40 | 6.30 | 6.30 | 6.30 | 5.25 | 2,400 |   |  
            | 1/30/2013 | +0.10 / +1.61% | 6.20 | 6.30 | 6.20 | 6.30 | 6.30 | 5.25 | 30,500 |   |  			
            | 1/29/2013 | +0.10 / +1.64% | 6.20 | 6.20 | 6.10 | 6.20 | 6.20 | 5.17 | 5,890 |   |  
            | 1/28/2013 | +0.10 / +1.67% | 6.00 | 6.20 | 6.00 | 6.10 | 6.10 | 5.08 | 4,120 |   |  |