| 
    
        
            | 
                    Closing price on 11/7/2007
                 |  |  
    
        |           
                
                    | Open | 87.30 |  
                    | High | 92.00 |  
                    | Low | 84.50 |  
                    | Volume | 64,500 |  
                    | Split-adjusted Price | 10.68 |  
                
             | 
 |  STP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/7/2007 | +0.90 / +1.03% | 87.30 | 92.00 | 84.50 | 87.90 | 87.90 | 10.68 | 64,500 |   |  
            | 11/6/2007 | +3.80 / +4.57% | 80.90 | 87.00 | 80.00 | 87.00 | 87.00 | 10.57 | 51,100 |   |  			
            | 11/5/2007 | -7.30 / -8.07% | 90.00 | 90.00 | 83.20 | 83.20 | 83.20 | 10.11 | 50,000 |   |  
            | 11/2/2007 | -4.50 / -4.74% | 98.00 | 98.00 | 88.00 | 90.50 | 90.50 | 11.00 | 41,200 |   |  			
            | 11/1/2007 | +7.90 / +9.07% | 86.00 | 96.50 | 83.10 | 95.00 | 95.00 | 11.55 | 148,400 |   |  
            | 10/31/2007 | -9.40 / -9.74% | 89.00 | 91.00 | 86.40 | 87.10 | 87.10 | 10.59 | 52,000 |   |  			
            | 10/30/2007 | +1.60 / +1.69% | 102.90 | 102.90 | 91.00 | 96.50 | 96.50 | 11.73 | 62,400 |   |  
            | 10/29/2007 | +7.90 / +9.08% | 94.80 | 94.90 | 86.00 | 94.90 | 94.90 | 11.54 | 173,500 |   |  			
            | 10/26/2007 | +7.60 / +9.57% | 87.30 | 87.30 | 72.50 | 87.00 | 87.00 | 10.57 | 293,100 |   |  
            | 10/25/2007 | +7.20 / +9.97% | 79.40 | 79.40 | 79.40 | 79.40 | 79.40 | 9.65 | 14,100 |   |  			
            | 10/24/2007 | +6.50 / +9.89% | 72.20 | 72.20 | 72.20 | 72.20 | 72.20 | 8.78 | 16,600 |   |  
            | 10/23/2007 | +5.90 / +9.87% | 65.70 | 65.70 | 65.70 | 65.70 | 65.70 | 7.99 | 41,000 |   |  			
            | 10/22/2007 | +3.90 / +6.98% | 59.80 | 59.80 | 59.80 | 59.80 | 59.80 | 7.27 | 53,300 |   |  
            | 10/19/2007 | +3.90 / +7.50% | 51.00 | 55.90 | 50.00 | 55.90 | 55.90 | 6.79 | 63,800 |   |  			
            | 10/18/2007 | -1.00 / -1.89% | 54.90 | 54.90 | 49.50 | 52.00 | 52.00 | 6.32 | 129,600 |   |  
            | 10/17/2007 | +1.80 / +3.52% | 56.30 | 56.30 | 48.60 | 53.00 | 53.00 | 6.44 | 153,100 |   |  			
            | 10/16/2007 | +3.10 / +6.44% | 51.20 | 51.20 | 51.20 | 51.20 | 51.20 | 6.22 | 31,000 |   |  
            | 10/15/2007 | +4.00 / +9.07% | 45.00 | 48.10 | 44.00 | 48.10 | 48.10 | 5.85 | 65,200 |   |  			
            | 10/12/2007 | +0.60 / +1.38% | 44.00 | 44.50 | 43.00 | 44.10 | 44.10 | 5.36 | 65,200 |   |  
            | 10/11/2007 | +0.50 / +1.16% | 43.10 | 43.90 | 43.00 | 43.50 | 43.50 | 5.29 | 61,200 |   |  			
            | 10/10/2007 | +0.10 / +0.23% | 43.30 | 43.90 | 42.00 | 43.00 | 43.00 | 5.23 | 44,800 |   |  
            | 10/9/2007 | +0.40 / +0.94% | 44.00 | 44.00 | 42.60 | 42.90 | 42.90 | 5.21 | 20,200 |   |  			
            | 10/8/2007 | 0.00 / 0.00% | 42.00 | 44.20 | 42.00 | 42.50 | 42.50 | 5.17 | 54,200 |   |  
            | 10/5/2007 | -1.40 / -3.19% | 43.00 | 43.50 | 41.20 | 42.50 | 42.50 | 5.17 | 81,900 |   |  			
            | 10/4/2007 | +0.40 / +0.92% | 45.00 | 45.00 | 42.50 | 43.90 | 43.90 | 5.34 | 100,800 |   |  
            | 10/3/2007 | 0.00 / 0.00% | 44.90 | 44.90 | 42.80 | 43.50 | 43.50 | 5.29 | 64,200 |   |  			
            | 10/2/2007 | +3.30 / +8.21% | 44.00 | 44.00 | 39.50 | 43.50 | 43.50 | 5.29 | 98,400 |   |  
            | 10/1/2007 | +2.20 / +5.79% | 40.10 | 40.20 | 38.00 | 40.20 | 40.20 | 4.89 | 62,900 |   |  			
            | 9/28/2007 | +3.20 / +9.20% | 36.00 | 38.90 | 34.90 | 38.00 | 38.00 | 4.62 | 94,600 |   |  
            | 9/27/2007 | -1.10 / -3.06% | 39.40 | 39.40 | 34.20 | 34.80 | 34.80 | 4.23 | 42,900 |   |  |