| 
    
        
            | 
                    Closing price on 10/10/2007
                 |  |  
    
        |           
                
                    | Open | 43.30 |  
                    | High | 43.90 |  
                    | Low | 42.00 |  
                    | Volume | 44,800 |  
                    | Split-adjusted Price | 5.23 |  
                
             | 
 |  STP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 9/26/2007 | +3.20 / +9.79% | 35.90 | 35.90 | 35.90 | 35.90 | 35.90 | 4.36 | 53,300 |   |  
            | 9/25/2007 | -11.70 / -26.35% | 32.70 | 32.70 | 32.70 | 32.70 | 32.70 | 3.97 | 25,700 |   |  			
            | 9/24/2007 | -0.20 / -0.45% | 43.50 | 45.50 | 41.00 | 44.40 | 44.40 | 3.61 | 87,300 |   |  
            | 9/21/2007 | -0.40 / -0.89% | 45.50 | 45.50 | 43.00 | 44.60 | 44.60 | 3.63 | 49,400 |   |  			
            | 9/20/2007 | -1.00 / -2.17% | 47.50 | 49.00 | 44.50 | 45.00 | 45.00 | 3.66 | 40,900 |   |  
            | 9/19/2007 | +1.90 / +4.31% | 48.40 | 48.40 | 44.00 | 46.00 | 46.00 | 3.74 | 82,600 |   |  			
            | 9/18/2007 | +3.10 / +7.56% | 43.00 | 44.10 | 42.90 | 44.10 | 44.10 | 3.59 | 171,500 |   |  
            | 9/17/2007 | +1.80 / +4.59% | 39.50 | 41.00 | 39.10 | 41.00 | 41.00 | 3.33 | 90,500 |   |  			
            | 9/14/2007 | -0.30 / -0.76% | 40.00 | 40.40 | 38.50 | 39.20 | 39.20 | 3.19 | 26,300 |   |  
            | 9/13/2007 | -0.70 / -1.74% | 43.50 | 44.00 | 39.50 | 39.50 | 39.50 | 3.21 | 40,000 |   |  			
            | 9/12/2007 | +3.20 / +8.65% | 40.20 | 40.20 | 39.00 | 40.20 | 40.20 | 3.27 | 74,200 |   |  
            | 9/11/2007 | +0.50 / +1.37% | 36.10 | 37.00 | 36.10 | 37.00 | 37.00 | 3.01 | 22,300 |   |  			
            | 9/10/2007 | +2.00 / +5.80% | 34.50 | 36.50 | 34.50 | 36.50 | 36.50 | 2.97 | 20,800 |   |  
            | 9/7/2007 | -0.50 / -1.43% | 35.00 | 35.00 | 34.00 | 34.50 | 34.50 | 2.81 | 8,900 |   |  			
            | 9/6/2007 | +0.50 / +1.45% | 34.00 | 35.00 | 33.50 | 35.00 | 35.00 | 2.85 | 2,400 |   |  
            | 9/5/2007 | -0.50 / -1.43% | 35.50 | 35.50 | 34.50 | 34.50 | 34.50 | 2.81 | 1,100 |   |  			
            | 9/4/2007 | -0.50 / -1.41% | 35.00 | 36.00 | 34.50 | 35.00 | 35.00 | 2.85 | 4,400 |   |  
            | 8/31/2007 | +0.70 / +2.01% | 35.50 | 37.50 | 35.50 | 35.50 | 35.50 | 2.89 | 1,800 |   |  			
            | 8/30/2007 | +0.80 / +2.35% | 35.00 | 36.00 | 34.80 | 34.80 | 34.80 | 2.83 | 3,900 |   |  
            | 8/29/2007 | +0.40 / +1.19% | 35.00 | 35.00 | 34.00 | 34.00 | 34.00 | 2.76 | 800 |   |  |