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                    Closing price on 4/26/2012
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                    | Open | 7.90 |  
                    | High | 8.10 |  
                    | Low | 7.70 |  
                    | Volume | 12,180 |  
                    | Split-adjusted Price | 6.10 |  
                
             | 
 |  PIT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/26/2012 | 0.00 / 0.00% | 7.90 | 8.10 | 7.70 | 8.10 | 8.10 | 6.10 | 12,180 |   |  
            | 4/25/2012 | +0.20 / +2.53% | 7.90 | 8.20 | 7.80 | 8.10 | 8.10 | 6.10 | 33,520 |   |  			
            | 4/24/2012 | +0.20 / +2.60% | 7.60 | 7.90 | 7.50 | 7.90 | 7.90 | 5.95 | 660 |   |  
            | 4/23/2012 | -0.20 / -2.53% | 7.80 | 7.90 | 7.70 | 7.70 | 7.70 | 5.80 | 14,240 |   |  			
            | 4/20/2012 | 0.00 / 0.00% | 7.70 | 7.90 | 7.70 | 7.90 | 7.90 | 5.95 | 4,910 |   |  
            | 4/19/2012 | -0.10 / -1.25% | 7.90 | 8.00 | 7.70 | 7.90 | 7.90 | 5.95 | 9,310 |   |  			
            | 4/18/2012 | +0.00 / +0.00% | 8.10 | 8.10 | 8.00 | 8.00 | 8.00 | 6.02 | 30,770 |   |  
            | 4/17/2012 | +0.10 / +1.27% | 8.00 | 8.10 | 7.90 | 8.00 | 8.00 | 6.02 | 41,580 |   |  			
            | 4/16/2012 | +0.00 / +0.00% | 7.90 | 8.00 | 7.80 | 7.90 | 7.90 | 5.95 | 41,580 |   |  
            | 4/13/2012 | +0.00 / +0.00% | 7.80 | 8.00 | 7.80 | 7.90 | 7.90 | 5.95 | 8,210 |   |  			
            | 4/12/2012 | +0.10 / +1.28% | 7.80 | 7.90 | 7.70 | 7.90 | 7.90 | 5.95 | 27,470 |   |  
            | 4/11/2012 | +0.10 / +1.30% | 7.80 | 7.80 | 7.60 | 7.80 | 7.80 | 5.87 | 10,990 |   |  			
            | 4/10/2012 | +0.30 / +4.05% | 7.30 | 7.70 | 7.30 | 7.70 | 7.70 | 5.80 | 23,970 |   |  
            | 4/9/2012 | -0.20 / -2.63% | 7.60 | 7.60 | 7.40 | 7.40 | 7.40 | 5.57 | 5,990 |   |  			
            | 4/6/2012 | +0.10 / +1.33% | 7.60 | 7.60 | 7.60 | 7.60 | 7.60 | 5.72 | 510 |   |  
            | 4/5/2012 | 0.00 / 0.00% | 7.20 | 7.50 | 7.20 | 7.50 | 7.50 | 5.65 | 4,260 |   |  			
            | 4/4/2012 | 0.00 / 0.00% | 7.50 | 7.50 | 7.50 | 7.50 | 7.50 | 5.65 | 11,670 |   |  
            | 4/3/2012 | -0.10 / -1.32% | 7.70 | 7.70 | 7.40 | 7.50 | 7.50 | 5.65 | 6,500 |   |  			
            | 3/30/2012 | +0.10 / +1.33% | 7.30 | 7.70 | 7.30 | 7.60 | 7.60 | 5.72 | 11,360 |   |  
            | 3/29/2012 | -0.20 / -2.60% | 7.80 | 8.00 | 7.50 | 7.50 | 7.50 | 5.65 | 11,370 |   |  			
            | 3/28/2012 | -0.20 / -2.53% | 7.90 | 7.90 | 7.60 | 7.70 | 7.70 | 5.80 | 19,180 |   |  
            | 3/27/2012 | 0.00 / 0.00% | 7.80 | 7.90 | 7.60 | 7.90 | 7.90 | 5.95 | 29,120 |   |  			
            | 3/26/2012 | +0.10 / +1.28% | 8.00 | 8.00 | 7.60 | 7.90 | 7.90 | 5.95 | 23,050 |   |  
            | 3/23/2012 | 0.00 / 0.00% | 7.70 | 7.90 | 7.60 | 7.80 | 7.80 | 5.87 | 15,310 |   |  			
            | 3/22/2012 | 0.00 / 0.00% | 7.50 | 8.00 | 7.50 | 7.80 | 7.80 | 5.87 | 5,040 |   |  
            | 3/21/2012 | +0.30 / +4.00% | 7.60 | 7.80 | 7.30 | 7.80 | 7.80 | 5.87 | 25,230 |   |  			
            | 3/20/2012 | +0.10 / +1.35% | 7.40 | 7.50 | 7.40 | 7.50 | 7.50 | 5.65 | 1,010 |   |  
            | 3/19/2012 | 0.00 / 0.00% | 7.10 | 7.40 | 7.10 | 7.40 | 7.40 | 5.57 | 7,850 |   |  			
            | 3/16/2012 | -0.10 / -1.33% | 7.50 | 7.50 | 7.30 | 7.40 | 7.40 | 5.57 | 11,060 |   |  
            | 3/15/2012 | +0.10 / +1.35% | 7.40 | 7.50 | 7.40 | 7.50 | 7.50 | 5.65 | 5,930 |   |  |