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                    Closing price on 10/18/2011
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        |           
                
                    | Open | 8.70 |  
                    | High | 8.80 |  
                    | Low | 8.70 |  
                    | Volume | 9,320 |  
                    | Split-adjusted Price | 6.63 |  
                
             | 
 |  PIT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  
            | 10/7/2011 | +0.00 / +0.00% | 9.10 | 9.10 | 8.90 | 8.90 | 8.90 | 6.70 | 2,930 |   |  			
            | 10/6/2011 | +0.00 / +0.00% | 9.10 | 9.10 | 8.90 | 8.90 | 8.90 | 6.70 | 1,370 |   |  
            | 10/5/2011 | +0.20 / +2.30% | 8.70 | 8.90 | 8.70 | 8.90 | 8.90 | 6.70 | 3,630 |   |  			
            | 10/4/2011 | -0.10 / -1.14% | 8.90 | 8.90 | 8.70 | 8.70 | 8.70 | 6.55 | 4,490 |   |  
            | 10/3/2011 | -0.30 / -3.30% | 9.10 | 9.10 | 8.80 | 8.80 | 8.80 | 6.63 | 19,140 |   |  			
            | 9/30/2011 | +0.00 / +0.00% | 9.20 | 9.20 | 9.00 | 9.10 | 9.10 | 6.85 | 5,050 |   |  
            | 9/29/2011 | 0.00 / 0.00% | 9.10 | 9.10 | 8.90 | 9.10 | 9.10 | 6.85 | 8,430 |   |  			
            | 9/28/2011 | +0.00 / +0.00% | 9.30 | 9.30 | 9.00 | 9.10 | 9.10 | 6.85 | 15,740 |   |  
            | 9/27/2011 | +0.00 / +0.00% | 9.00 | 9.30 | 9.00 | 9.10 | 9.10 | 6.85 | 4,650 |   |  			
            | 9/26/2011 | +0.00 / +0.00% | 9.40 | 9.40 | 9.10 | 9.10 | 9.10 | 6.85 | 29,120 |   |  
            | 9/23/2011 | +0.00 / +0.00% | 9.20 | 9.30 | 8.90 | 9.10 | 9.10 | 6.85 | 10,920 |   |  			
            | 9/22/2011 | +0.10 / +1.11% | 8.90 | 9.30 | 8.90 | 9.10 | 9.10 | 6.85 | 2,170 |   |  
            | 9/21/2011 | +0.00 / +0.00% | 9.00 | 9.30 | 9.00 | 9.00 | 9.00 | 6.78 | 7,230 |   |  			
            | 9/20/2011 | +0.00 / +0.00% | 9.30 | 9.30 | 9.00 | 9.00 | 9.00 | 6.78 | 15,800 |   |  
            | 9/19/2011 | -0.10 / -1.10% | 9.00 | 9.30 | 9.00 | 9.00 | 9.00 | 6.78 | 10,610 |   |  			
            | 9/16/2011 | -0.10 / -1.09% | 9.50 | 9.50 | 9.10 | 9.10 | 9.10 | 6.85 | 3,220 |   |  
            | 9/15/2011 | -0.30 / -3.16% | 9.60 | 9.60 | 9.10 | 9.20 | 9.20 | 6.93 | 35,940 |   |  			
            | 9/14/2011 | -0.30 / -3.06% | 9.90 | 9.90 | 9.50 | 9.50 | 9.50 | 7.15 | 13,890 |   |  
            | 9/13/2011 | +0.30 / +3.16% | 9.80 | 9.80 | 9.60 | 9.80 | 9.80 | 7.38 | 43,220 |   |  			
            | 9/12/2011 | -0.10 / -1.04% | 9.80 | 9.80 | 9.50 | 9.50 | 9.50 | 7.15 | 8,020 |   |  
            | 9/9/2011 | +0.30 / +3.23% | 9.40 | 9.70 | 9.10 | 9.60 | 9.60 | 7.23 | 43,910 |   |  			
            | 9/8/2011 | +0.30 / +3.33% | 9.30 | 9.40 | 9.00 | 9.30 | 9.30 | 7.00 | 40,100 |   |  
            | 9/7/2011 | +0.10 / +1.12% | 8.90 | 9.30 | 8.90 | 9.00 | 9.00 | 6.78 | 4,930 |   |  |