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                    Closing price on 12/16/2011
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                    | Open | 7.50 |  
                    | High | 8.00 |  
                    | Low | 7.50 |  
                    | Volume | 1,770 |  
                    | Split-adjusted Price | 5.95 |  
                
             | 
 |  PIT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/16/2011 | +0.10 / +1.28% | 7.50 | 8.00 | 7.50 | 7.90 | 7.90 | 5.95 | 1,770 |   |  
            | 12/15/2011 | -0.10 / -1.27% | 7.90 | 7.90 | 7.80 | 7.80 | 7.80 | 5.87 | 30 |   |  			
            | 12/14/2011 | +0.00 / +0.00% | 8.00 | 8.00 | 7.60 | 7.90 | 7.90 | 5.95 | 1,740 |   |  
            | 12/13/2011 | +0.20 / +2.60% | 7.90 | 7.90 | 7.90 | 7.90 | 7.90 | 5.95 | 10 |   |  			
            | 12/12/2011 | +0.10 / +1.32% | 7.60 | 7.70 | 7.50 | 7.70 | 7.70 | 5.80 | 1,950 |   |  
            | 12/9/2011 | -0.10 / -1.30% | 7.70 | 7.70 | 7.60 | 7.60 | 7.60 | 5.72 | 360 |   |  			
            | 12/8/2011 | -0.30 / -3.75% | 8.00 | 8.00 | 7.70 | 7.70 | 7.70 | 5.80 | 3,210 |   |  
            | 12/7/2011 | -0.10 / -1.23% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 6.02 | 1,110 |   |  			
            | 12/6/2011 | +0.10 / +1.25% | 8.10 | 8.10 | 8.10 | 8.10 | 8.10 | 6.10 | 90 |   |  
            | 12/5/2011 | +0.30 / +3.90% | 7.70 | 8.00 | 7.70 | 8.00 | 8.00 | 6.02 | 5,730 |   |  			
            | 12/2/2011 | -0.10 / -1.28% | 7.80 | 7.80 | 7.50 | 7.70 | 7.70 | 5.80 | 2,010 |   |  
            | 12/1/2011 | +0.10 / +1.30% | 7.70 | 7.80 | 7.70 | 7.80 | 7.80 | 5.87 | 1,110 |   |  			
            | 11/30/2011 | 0.00 / 0.00% | 7.70 | 7.70 | 7.70 | 7.70 | 7.70 | 5.80 | 0 |   |  
            | 11/29/2011 | 0.00 / 0.00% | 7.70 | 7.70 | 7.70 | 7.70 | 7.70 | 5.80 | 2,010 |   |  			
            | 11/28/2011 | 0.00 / 0.00% | 7.70 | 7.70 | 7.70 | 7.70 | 7.70 | 5.80 | 0 |   |  
            | 11/25/2011 | +0.10 / +1.32% | 7.50 | 7.70 | 7.50 | 7.70 | 7.70 | 5.80 | 2,340 |   |  			
            | 11/24/2011 | -0.10 / -1.30% | 7.70 | 7.70 | 7.60 | 7.60 | 7.60 | 5.72 | 6,030 |   |  
            | 11/23/2011 | 0.00 / 0.00% | 7.70 | 7.80 | 7.70 | 7.70 | 7.70 | 5.80 | 2,350 |   |  			
            | 11/22/2011 | +0.10 / +1.32% | 7.80 | 7.80 | 7.50 | 7.70 | 7.70 | 5.80 | 4,410 |   |  
            | 11/21/2011 | -0.10 / -1.30% | 7.60 | 7.60 | 7.60 | 7.60 | 7.60 | 5.72 | 2,030 |   |  			
            | 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 |   |  |