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                    Closing price on 4/24/2013
                 |  |  
    
        |           
                
                    | Open | 5.80 |  
                    | High | 5.90 |  
                    | Low | 5.70 |  
                    | Volume | 3,290 |  
                    | Split-adjusted Price | 4.92 |  
                
             | 
 |  PIT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/24/2013 | -0.10 / -1.67% | 5.80 | 5.90 | 5.70 | 5.90 | 5.90 | 4.92 | 3,290 |   |  
            | 4/23/2013 | 0.00 / 0.00% | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 5.00 | 310 |   |  			
            | 4/22/2013 | -0.20 / -3.23% | 5.80 | 6.00 | 5.80 | 6.00 | 6.00 | 5.00 | 4,800 |   |  
            | 4/18/2013 | +0.10 / +1.64% | 6.20 | 6.20 | 5.90 | 6.20 | 6.20 | 5.17 | 70 |   |  			
            | 4/17/2013 | +0.10 / +1.67% | 6.00 | 6.10 | 5.80 | 6.10 | 6.10 | 5.08 | 7,930 |   |  
            | 4/16/2013 | -0.10 / -1.64% | 5.90 | 6.00 | 5.90 | 6.00 | 6.00 | 5.00 | 30 |   |  			
            | 4/15/2013 | -0.10 / -1.61% | 6.20 | 6.20 | 6.10 | 6.10 | 6.10 | 5.08 | 1,300 |   |  
            | 4/12/2013 | +0.30 / +5.08% | 5.70 | 6.20 | 5.70 | 6.20 | 6.20 | 5.17 | 80 |   |  			
            | 4/11/2013 | 0.00 / 0.00% | 5.90 | 5.90 | 5.90 | 5.90 | 5.90 | 4.92 | 240 |   |  
            | 4/10/2013 | +0.30 / +5.36% | 5.70 | 5.90 | 5.70 | 5.90 | 5.90 | 4.92 | 3,440 |   |  			
            | 4/9/2013 | -0.30 / -5.08% | 6.00 | 6.00 | 5.60 | 5.60 | 5.60 | 4.67 | 210 |   |  
            | 4/8/2013 | -0.20 / -3.28% | 6.00 | 6.10 | 5.70 | 5.90 | 5.90 | 4.92 | 13,610 |   |  			
            | 4/5/2013 | -0.10 / -1.61% | 6.20 | 6.20 | 6.10 | 6.10 | 6.10 | 5.08 | 12,470 |   |  
            | 4/4/2013 | 0.00 / 0.00% | 6.20 | 6.20 | 6.20 | 6.20 | 6.20 | 5.17 | 0 |   |  			
            | 4/3/2013 | -0.10 / -1.59% | 6.30 | 6.30 | 6.10 | 6.20 | 6.20 | 5.17 | 220 |   |  
            | 4/2/2013 | -0.10 / -1.56% | 6.30 | 6.30 | 6.20 | 6.30 | 6.30 | 5.25 | 2,190 |   |  			
            | 4/1/2013 | +0.10 / +1.59% | 6.30 | 6.40 | 6.30 | 6.40 | 6.40 | 5.33 | 15,120 |   |  
            | 3/29/2013 | 0.00 / 0.00% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 5.25 | 0 |   |  			
            | 3/28/2013 | +0.10 / +1.61% | 6.10 | 6.30 | 6.00 | 6.30 | 6.30 | 5.25 | 1,010 |   |  
            | 3/27/2013 | +0.10 / +1.64% | 6.20 | 6.20 | 6.20 | 6.20 | 6.20 | 5.17 | 100 |   |  			
            | 3/26/2013 | -0.30 / -4.69% | 6.10 | 6.10 | 6.10 | 6.10 | 6.10 | 5.08 | 10 |   |  
            | 3/25/2013 | 0.00 / 0.00% | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 5.33 | 0 |   |  			
            | 3/22/2013 | 0.00 / 0.00% | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 5.33 | 0 |   |  
            | 3/21/2013 | +0.20 / +3.23% | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 5.33 | 100 |   |  			
            | 3/20/2013 | 0.00 / 0.00% | 6.20 | 6.20 | 6.20 | 6.20 | 6.20 | 5.17 | 0 |   |  
            | 3/19/2013 | +0.00 / +0.00% | 6.40 | 6.40 | 6.20 | 6.20 | 6.20 | 5.17 | 290 |   |  			
            | 3/18/2013 | -0.20 / -3.13% | 6.20 | 6.20 | 6.20 | 6.20 | 6.20 | 5.17 | 10 |   |  
            | 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 |   |  |