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                    Closing price on 3/22/2012
                 |  |  
    
        |           
                
                    | Open | 7.50 |  
                    | High | 8.00 |  
                    | Low | 7.50 |  
                    | Volume | 5,040 |  
                    | Split-adjusted Price | 5.87 |  
                
             | 
 |  PIT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 3/14/2012 | +0.10 / +1.37% | 7.50 | 7.60 | 7.40 | 7.40 | 7.40 | 5.57 | 1,230 |   |  
            | 3/13/2012 | +0.00 / +0.00% | 7.30 | 7.60 | 7.30 | 7.30 | 7.30 | 5.50 | 5,190 |   |  			
            | 3/12/2012 | +0.10 / +1.39% | 7.40 | 7.40 | 6.90 | 7.30 | 7.30 | 5.50 | 6,970 |   |  
            | 3/9/2012 | -0.30 / -4.00% | 7.60 | 7.60 | 7.20 | 7.20 | 7.20 | 5.42 | 10,030 |   |  			
            | 3/8/2012 | -0.30 / -3.85% | 7.90 | 7.90 | 7.50 | 7.50 | 7.50 | 5.65 | 7,680 |   |  
            | 3/7/2012 | +0.10 / +1.30% | 7.60 | 7.90 | 7.60 | 7.80 | 7.80 | 5.87 | 11,550 |   |  			
            | 3/6/2012 | -0.30 / -3.75% | 8.40 | 8.40 | 7.70 | 7.70 | 7.70 | 5.80 | 23,830 |   |  
            | 3/5/2012 | +0.30 / +3.90% | 7.90 | 8.00 | 7.90 | 8.00 | 8.00 | 6.02 | 30,600 |   |  			
            | 3/2/2012 | +0.20 / +2.67% | 7.50 | 7.80 | 7.50 | 7.70 | 7.70 | 5.80 | 18,080 |   |  
            | 3/1/2012 | -0.20 / -2.60% | 7.70 | 7.80 | 7.50 | 7.50 | 7.50 | 5.65 | 2,920 |   |  			
            | 2/29/2012 | 0.00 / 0.00% | 7.70 | 7.70 | 7.50 | 7.70 | 7.70 | 5.80 | 8,140 |   |  
            | 2/28/2012 | 0.00 / 0.00% | 8.00 | 8.00 | 7.70 | 7.70 | 7.70 | 5.80 | 280,820 |   |  			
            | 2/27/2012 | +0.30 / +4.05% | 7.60 | 7.70 | 7.40 | 7.70 | 7.70 | 5.80 | 171,190 |   |  
            | 2/24/2012 | +0.10 / +1.37% | 7.50 | 7.50 | 7.30 | 7.40 | 7.40 | 5.57 | 17,060 |   |  			
            | 2/23/2012 | +0.20 / +2.82% | 7.40 | 7.40 | 7.30 | 7.30 | 7.30 | 5.50 | 21,700 |   |  
            | 2/22/2012 | +0.10 / +1.43% | 7.00 | 7.30 | 7.00 | 7.10 | 7.10 | 5.35 | 8,520 |   |  			
            | 2/21/2012 | 0.00 / 0.00% | 7.00 | 7.10 | 7.00 | 7.00 | 7.00 | 5.27 | 910 |   |  
            | 2/20/2012 | -0.10 / -1.41% | 7.10 | 7.10 | 6.90 | 7.00 | 7.00 | 5.27 | 12,550 |   |  			
            | 2/17/2012 | +0.10 / +1.43% | 7.00 | 7.10 | 6.80 | 7.10 | 7.10 | 5.35 | 23,750 |   |  
            | 2/16/2012 | -0.10 / -1.41% | 7.30 | 7.30 | 7.00 | 7.00 | 7.00 | 5.27 | 10,850 |   |  			
            | 2/15/2012 | -0.10 / -1.39% | 7.30 | 7.30 | 7.10 | 7.10 | 7.10 | 5.35 | 12,560 |   |  
            | 2/14/2012 | +0.30 / +4.35% | 6.80 | 7.20 | 6.80 | 7.20 | 7.20 | 5.42 | 8,740 |   |  			
            | 2/13/2012 | +0.10 / +1.47% | 7.00 | 7.10 | 6.70 | 6.90 | 6.90 | 5.20 | 4,400 |   |  
            | 2/10/2012 | -0.20 / -2.86% | 7.00 | 7.00 | 6.80 | 6.80 | 6.80 | 5.12 | 9,050 |   |  |