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                    Closing price on 8/8/2011
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                    | Open | 9.50 |  
                    | High | 9.90 |  
                    | Low | 9.50 |  
                    | Volume | 13,710 |  
                    | Split-adjusted Price | 7.15 |  
                
             | 
 |  PIT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/8/2011 | -0.50 / -5.00% | 9.50 | 9.90 | 9.50 | 9.50 | 9.50 | 7.15 | 13,710 |   |  
            | 8/5/2011 | 0.00 / 0.00% | 10.00 | 10.00 | 9.50 | 10.00 | 10.00 | 7.53 | 45,090 |   |  			
            | 8/4/2011 | +0.20 / +2.04% | 9.60 | 10.00 | 9.60 | 10.00 | 10.00 | 7.53 | 18,620 |   |  
            | 8/3/2011 | 0.00 / 0.00% | 9.60 | 9.80 | 9.40 | 9.80 | 9.80 | 7.38 | 27,000 |   |  			
            | 8/2/2011 | 0.00 / 0.00% | 9.60 | 9.80 | 9.60 | 9.80 | 9.80 | 7.38 | 9,000 |   |  
            | 8/1/2011 | +0.30 / +3.16% | 9.60 | 9.80 | 9.50 | 9.80 | 9.80 | 7.38 | 11,830 |   |  			
            | 7/29/2011 | -0.50 / -5.00% | 10.00 | 10.00 | 9.50 | 9.50 | 9.50 | 7.15 | 15,050 |   |  
            | 7/28/2011 | 0.00 / 0.00% | 9.90 | 10.00 | 9.50 | 10.00 | 10.00 | 7.53 | 17,210 |   |  			
            | 7/27/2011 | -0.10 / -0.99% | 9.80 | 10.00 | 9.80 | 10.00 | 10.00 | 7.53 | 22,000 |   |  
            | 7/26/2011 | +0.30 / +3.06% | 9.90 | 10.10 | 9.60 | 10.10 | 10.10 | 7.61 | 30,300 |   |  			
            | 7/25/2011 | +0.30 / +3.16% | 9.20 | 9.80 | 9.20 | 9.80 | 9.80 | 7.38 | 16,750 |   |  
            | 7/22/2011 | -0.50 / -5.00% | 9.90 | 9.90 | 9.50 | 9.50 | 9.50 | 7.15 | 580 |   |  			
            | 7/21/2011 | 0.00 / 0.00% | 9.80 | 10.00 | 9.70 | 10.00 | 10.00 | 7.53 | 154,110 |   |  
            | 7/20/2011 | 0.00 / 0.00% | 9.70 | 10.00 | 9.70 | 10.00 | 10.00 | 7.53 | 25,210 |   |  			
            | 7/19/2011 | 0.00 / 0.00% | 9.60 | 10.00 | 9.60 | 10.00 | 10.00 | 7.53 | 15,280 |   |  
            | 7/18/2011 | 0.00 / 0.00% | 9.80 | 10.00 | 9.80 | 10.00 | 10.00 | 7.53 | 16,980 |   |  			
            | 7/15/2011 | -0.10 / -0.99% | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 | 7.53 | 2,020 |   |  
            | 7/14/2011 | +0.10 / +1.00% | 10.30 | 10.30 | 10.00 | 10.10 | 10.10 | 7.61 | 12,460 |   |  			
            | 7/13/2011 | 0.00 / 0.00% | 9.70 | 10.00 | 9.70 | 10.00 | 10.00 | 7.53 | 21,130 |   |  
            | 7/12/2011 | 0.00 / 0.00% | 9.50 | 10.00 | 9.50 | 10.00 | 10.00 | 7.53 | 30,380 |   |  			
            | 7/11/2011 | +0.20 / +2.04% | 9.90 | 10.00 | 9.50 | 10.00 | 10.00 | 7.53 | 40,070 |   |  
            | 7/8/2011 | 0.00 / 0.00% | 9.60 | 9.80 | 9.60 | 9.80 | 9.80 | 7.38 | 23,250 |   |  			
            | 7/7/2011 | +0.00 / +0.00% | 9.90 | 9.90 | 9.60 | 9.80 | 9.80 | 7.38 | 14,490 |   |  
            | 7/6/2011 | +0.10 / +1.03% | 9.80 | 9.80 | 9.50 | 9.80 | 9.80 | 7.38 | 14,950 |   |  			
            | 7/5/2011 | -0.10 / -1.02% | 9.80 | 10.00 | 9.70 | 9.70 | 9.70 | 7.30 | 4,300 |   |  
            | 7/4/2011 | +0.10 / +1.03% | 9.70 | 9.80 | 9.40 | 9.80 | 9.80 | 7.38 | 22,980 |   |  			
            | 7/1/2011 | +0.00 / +0.00% | 10.00 | 10.00 | 9.30 | 9.70 | 9.70 | 7.30 | 50,680 |   |  
            | 6/30/2011 | -0.30 / -3.00% | 9.80 | 9.80 | 9.70 | 9.70 | 9.70 | 7.30 | 6,650 |   |  			
            | 6/29/2011 | 0.00 / 0.00% | 10.30 | 10.30 | 9.70 | 10.00 | 10.00 | 7.53 | 6,130 |   |  
            | 6/28/2011 | 0.00 / 0.00% | 10.20 | 10.20 | 9.70 | 10.00 | 10.00 | 7.53 | 14,490 |   |  |