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                    Closing price on 6/6/2012
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        |           
                
                    | Open | 7.40 |  
                    | High | 7.80 |  
                    | Low | 7.40 |  
                    | Volume | 8,930 |  
                    | Split-adjusted Price | 6.50 |  
                
             | 
 |  PIT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/6/2012 | +0.10 / +1.30% | 7.40 | 7.80 | 7.40 | 7.80 | 7.80 | 6.50 | 8,930 |   |  
            | 6/5/2012 | -0.60 / -7.23% | 7.30 | 7.70 | 7.30 | 7.70 | 7.70 | 6.42 | 16,020 |   |  			
            | 6/4/2012 | -0.20 / -2.35% | 8.70 | 8.70 | 8.20 | 8.30 | 8.30 | 6.25 | 11,370 |   |  
            | 6/1/2012 | -0.20 / -2.30% | 8.50 | 8.70 | 8.40 | 8.50 | 8.50 | 6.40 | 15,110 |   |  			
            | 5/31/2012 | -0.10 / -1.14% | 8.60 | 8.80 | 8.40 | 8.70 | 8.70 | 6.55 | 31,500 |   |  
            | 5/30/2012 | +0.00 / +0.00% | 8.80 | 8.90 | 8.70 | 8.80 | 8.80 | 6.63 | 19,830 |   |  			
            | 5/29/2012 | +0.10 / +1.15% | 8.70 | 8.80 | 8.50 | 8.80 | 8.80 | 6.63 | 9,600 |   |  
            | 5/28/2012 | +0.10 / +1.16% | 8.70 | 9.00 | 8.70 | 8.70 | 8.70 | 6.55 | 24,030 |   |  			
            | 5/25/2012 | +0.20 / +2.38% | 8.60 | 8.70 | 8.40 | 8.60 | 8.60 | 6.48 | 34,100 |   |  
            | 5/24/2012 | +0.40 / +5.00% | 7.80 | 8.40 | 7.80 | 8.40 | 8.40 | 6.33 | 26,170 |   |  			
            | 5/23/2012 | -0.40 / -4.76% | 8.40 | 8.50 | 8.00 | 8.00 | 8.00 | 6.02 | 16,320 |   |  
            | 5/22/2012 | +0.40 / +5.00% | 8.40 | 8.40 | 8.30 | 8.40 | 8.40 | 6.33 | 19,610 |   |  			
            | 5/21/2012 | +0.30 / +3.90% | 7.70 | 8.00 | 7.70 | 8.00 | 8.00 | 6.02 | 17,050 |   |  
            | 5/18/2012 | -0.30 / -3.75% | 7.90 | 8.00 | 7.70 | 7.70 | 7.70 | 5.80 | 5,930 |   |  			
            | 5/17/2012 | -0.20 / -2.44% | 8.50 | 8.50 | 8.00 | 8.00 | 8.00 | 6.02 | 9,990 |   |  
            | 5/16/2012 | +0.00 / +0.00% | 8.30 | 8.30 | 7.90 | 8.20 | 8.20 | 6.17 | 17,830 |   |  			
            | 5/15/2012 | -0.40 / -4.65% | 8.30 | 8.30 | 8.20 | 8.20 | 8.20 | 6.17 | 51,060 |   |  
            | 5/14/2012 | -0.40 / -4.44% | 8.80 | 8.80 | 8.60 | 8.60 | 8.60 | 6.48 | 37,270 |   |  			
            | 5/11/2012 | 0.00 / 0.00% | 8.70 | 9.00 | 8.60 | 9.00 | 9.00 | 6.78 | 128,930 |   |  
            | 5/10/2012 | -0.40 / -4.26% | 9.40 | 9.70 | 9.00 | 9.00 | 9.00 | 6.78 | 32,340 |   |  			
            | 5/9/2012 | +0.30 / +3.30% | 9.40 | 9.40 | 8.70 | 9.40 | 9.40 | 7.08 | 48,740 |   |  
            | 5/8/2012 | +0.40 / +4.60% | 9.10 | 9.10 | 9.10 | 9.10 | 9.10 | 6.85 | 100,390 |   |  			
            | 5/7/2012 | +0.40 / +4.82% | 8.50 | 8.70 | 8.50 | 8.70 | 8.70 | 6.55 | 193,240 |   |  
            | 5/4/2012 | +0.20 / +2.47% | 8.20 | 8.50 | 8.10 | 8.30 | 8.30 | 6.25 | 53,030 |   |  			
            | 5/3/2012 | +0.10 / +1.25% | 8.00 | 8.20 | 8.00 | 8.10 | 8.10 | 6.10 | 14,800 |   |  
            | 5/2/2012 | -0.30 / -3.61% | 8.10 | 8.40 | 8.00 | 8.00 | 8.00 | 6.02 | 40,250 |   |  			
            | 4/27/2012 | +0.20 / +2.47% | 7.90 | 8.30 | 7.90 | 8.30 | 8.30 | 6.25 | 61,150 |   |  
            | 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 |   |  |