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                    Closing price on 11/18/2011
                 |  |  
    
        |           
                
                    | Open | 7.70 |  
                    | High | 7.80 |  
                    | Low | 7.60 |  
                    | Volume | 7,850 |  
                    | Split-adjusted Price | 5.80 |  
                
             | 
 |  PIT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/18/2011 | 0.00 / 0.00% | 7.70 | 7.80 | 7.60 | 7.70 | 7.70 | 5.80 | 7,850 |   |  
            | 11/17/2011 | -0.10 / -1.28% | 7.90 | 7.90 | 7.60 | 7.70 | 7.70 | 5.80 | 8,650 |   |  			
            | 11/16/2011 | +0.10 / +1.30% | 7.80 | 7.90 | 7.70 | 7.80 | 7.80 | 5.87 | 14,030 |   |  
            | 11/15/2011 | 0.00 / 0.00% | 7.60 | 7.80 | 7.60 | 7.70 | 7.70 | 5.80 | 5,210 |   |  			
            | 11/14/2011 | -0.20 / -2.53% | 7.90 | 8.00 | 7.70 | 7.70 | 7.70 | 5.80 | 20,140 |   |  
            | 11/11/2011 | +0.00 / +0.00% | 8.00 | 8.00 | 7.90 | 7.90 | 7.90 | 5.95 | 22,040 |   |  			
            | 11/10/2011 | -0.40 / -4.82% | 8.40 | 8.40 | 7.90 | 7.90 | 7.90 | 5.95 | 6,450 |   |  
            | 11/9/2011 | -0.10 / -1.19% | 8.40 | 8.40 | 8.30 | 8.30 | 8.30 | 6.25 | 2,080 |   |  			
            | 11/8/2011 | -0.10 / -1.18% | 8.40 | 8.40 | 8.40 | 8.40 | 8.40 | 6.33 | 4,990 |   |  
            | 11/7/2011 | +0.10 / +1.19% | 8.40 | 8.50 | 8.40 | 8.50 | 8.50 | 6.40 | 2,420 |   |  			
            | 11/4/2011 | -0.20 / -2.33% | 8.80 | 8.80 | 8.40 | 8.40 | 8.40 | 6.33 | 7,570 |   |  
            | 11/3/2011 | 0.00 / 0.00% | 8.40 | 8.70 | 8.40 | 8.60 | 8.60 | 6.48 | 1,540 |   |  			
            | 11/2/2011 | -0.20 / -2.27% | 8.80 | 8.80 | 8.50 | 8.60 | 8.60 | 6.48 | 5,690 |   |  
            | 11/1/2011 | 0.00 / 0.00% | 8.80 | 8.80 | 8.40 | 8.80 | 8.80 | 6.63 | 4,210 |   |  			
            | 10/31/2011 | -0.10 / -1.12% | 8.90 | 8.90 | 8.80 | 8.80 | 8.80 | 6.63 | 4,380 |   |  
            | 10/28/2011 | +0.10 / +1.14% | 8.80 | 9.00 | 8.80 | 8.90 | 8.90 | 6.70 | 10,060 |   |  			
            | 10/27/2011 | +0.00 / +0.00% | 8.90 | 8.90 | 8.80 | 8.80 | 8.80 | 6.63 | 9,070 |   |  
            | 10/26/2011 | -0.10 / -1.12% | 8.70 | 8.90 | 8.70 | 8.80 | 8.80 | 6.63 | 17,650 |   |  			
            | 10/25/2011 | 0.00 / 0.00% | 8.80 | 8.90 | 8.80 | 8.90 | 8.90 | 6.70 | 18,780 |   |  
            | 10/24/2011 | 0.00 / 0.00% | 8.90 | 8.90 | 8.90 | 8.90 | 8.90 | 6.70 | 5,630 |   |  			
            | 10/21/2011 | +0.10 / +1.14% | 8.80 | 9.00 | 8.80 | 8.90 | 8.90 | 6.70 | 10,220 |   |  
            | 10/20/2011 | 0.00 / 0.00% | 8.80 | 8.80 | 8.80 | 8.80 | 8.80 | 6.63 | 4,000 |   |  			
            | 10/19/2011 | +0.00 / +0.00% | 8.70 | 9.00 | 8.70 | 8.80 | 8.80 | 6.63 | 2,110 |   |  
            | 10/18/2011 | 0.00 / 0.00% | 8.70 | 8.80 | 8.70 | 8.80 | 8.80 | 6.63 | 9,320 |   |  			
            | 10/17/2011 | +0.00 / +0.00% | 8.80 | 8.90 | 8.80 | 8.80 | 8.80 | 6.63 | 4,230 |   |  
            | 10/14/2011 | +0.00 / +0.00% | 9.00 | 9.00 | 8.80 | 8.80 | 8.80 | 6.63 | 7,580 |   |  			
            | 10/13/2011 | -0.20 / -2.22% | 9.00 | 9.00 | 8.80 | 8.80 | 8.80 | 6.63 | 60 |   |  
            | 10/12/2011 | +0.00 / +0.00% | 9.10 | 9.10 | 8.70 | 9.00 | 9.00 | 6.78 | 2,710 |   |  			
            | 10/11/2011 | 0.00 / 0.00% | 8.90 | 9.00 | 8.90 | 9.00 | 9.00 | 6.78 | 1,250 |   |  
            | 10/10/2011 | +0.10 / +1.12% | 9.00 | 9.00 | 8.90 | 9.00 | 9.00 | 6.78 | 8,150 |   |  |