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                    Closing price on 3/3/2008
                 |  |  
    
        |           
                
                    | Open | 48.50 |  
                    | High | 49.50 |  
                    | Low | 42.90 |  
                    | Volume | 87,200 |  
                    | Split-adjusted Price | 5.21 |  
                
             | 
 |  STP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/3/2008 | -4.70 / -9.87% | 48.50 | 49.50 | 42.90 | 42.90 | 43.68 | 5.21 | 87,200 |   |  
            | 2/29/2008 | -2.80 / -5.56% | 49.00 | 50.00 | 46.00 | 47.60 | 47.56 | 5.79 | 63,500 |   |  			
            | 2/28/2008 | +0.20 / +0.40% | 50.00 | 52.00 | 48.50 | 50.40 | 50.01 | 6.13 | 55,300 |   |  
            | 2/27/2008 | +0.30 / +0.60% | 51.00 | 54.80 | 48.50 | 50.20 | 50.99 | 6.10 | 91,400 |   |  			
            | 2/26/2008 | -5.80 / -10.41% | 52.80 | 60.00 | 49.90 | 49.90 | 52.75 | 6.07 | 83,100 |   |  
            | 2/25/2008 | +4.70 / +9.22% | 51.50 | 55.70 | 50.70 | 55.70 | 55.43 | 6.77 | 73,000 |   |  			
            | 2/22/2008 | -3.50 / -6.42% | 50.60 | 60.00 | 49.20 | 51.00 | 50.69 | 6.20 | 142,400 |   |  
            | 2/21/2008 | -4.50 / -7.63% | 57.50 | 57.50 | 54.50 | 54.50 | 54.63 | 6.62 | 37,700 |   |  			
            | 2/20/2008 | -5.00 / -7.81% | 65.00 | 66.00 | 58.60 | 59.00 | 60.52 | 7.17 | 69,000 |   |  
            | 2/19/2008 | -2.50 / -3.76% | 65.00 | 70.00 | 60.00 | 64.00 | 65.11 | 7.78 | 54,600 |   |  			
            | 2/18/2008 | -3.90 / -5.54% | 68.00 | 68.00 | 63.90 | 66.50 | 65.60 | 8.08 | 91,000 |   |  
            | 2/15/2008 | -2.60 / -3.56% | 72.00 | 72.10 | 70.10 | 70.40 | 70.91 | 8.56 | 55,300 |   |  			
            | 2/14/2008 | -0.50 / -0.68% | 72.00 | 76.00 | 72.00 | 73.00 | 73.64 | 8.87 | 75,000 |   |  
            | 2/13/2008 | -2.50 / -3.29% | 75.00 | 75.00 | 72.00 | 73.50 | 73.23 | 8.93 | 70,700 |   |  			
            | 2/12/2008 | -3.60 / -4.52% | 80.00 | 80.00 | 74.30 | 76.00 | 75.90 | 9.24 | 24,800 |   |  
            | 2/1/2008 | -0.40 / -0.50% | 73.00 | 81.00 | 72.00 | 79.60 | 79.38 | 9.68 | 75,000 |   |  			
            | 1/31/2008 | -2.60 / -3.15% | 80.50 | 81.00 | 72.90 | 80.00 | 77.93 | 9.72 | 86,500 |   |  
            | 1/30/2008 | +5.60 / +7.27% | 76.00 | 82.60 | 72.80 | 82.60 | 81.01 | 10.04 | 179,200 |   |  			
            | 1/29/2008 | +7.00 / +10.00% | 70.00 | 77.50 | 69.50 | 77.00 | 75.13 | 9.36 | 54,200 |   |  
            | 1/28/2008 | -4.90 / -6.54% | 74.00 | 74.00 | 68.00 | 70.00 | 70.59 | 8.51 | 39,600 |   |  			
            | 1/25/2008 | -3.60 / -4.59% | 73.50 | 78.50 | 73.40 | 74.90 | 75.04 | 9.10 | 69,200 |   |  
            | 1/24/2008 | -0.50 / -0.63% | 79.00 | 84.00 | 76.00 | 78.50 | 80.38 | 9.54 | 44,100 |   |  			
            | 1/23/2008 | -4.00 / -4.82% | 84.00 | 84.60 | 75.20 | 79.00 | 78.97 | 9.60 | 46,200 |   |  
            | 1/22/2008 | -3.00 / -3.49% | 82.00 | 86.00 | 80.00 | 83.00 | 83.25 | 10.09 | 33,400 |   |  			
            | 1/21/2008 | -1.50 / -1.71% | 92.38 | 94.80 | 84.10 | 86.00 | 86.26 | 10.45 | 34,400 |   |  
            | 1/18/2008 | +3.50 / +4.17% | 82.75 | 90.00 | 81.00 | 87.50 | 86.80 | 10.64 | 59,900 |   |  			
            | 1/17/2008 | +6.60 / +8.53% | 83.14 | 84.90 | 77.50 | 84.00 | 82.58 | 10.21 | 87,500 |   |  
            | 1/16/2008 | +7.10 / +10.10% | 75.00 | 77.40 | 75.00 | 77.40 | 77.24 | 9.41 | 20,400 |   |  			
            | 1/15/2008 | -7.10 / -9.17% | 71.74 | 73.00 | 70.20 | 70.30 | 70.36 | 8.54 | 32,700 |   |  
            | 1/14/2008 | -6.60 / -7.86% | 82.55 | 84.00 | 77.40 | 77.40 | 77.95 | 9.41 | 29,900 |   |  |