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                    Closing price on 12/10/2007
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                    | Open | 102.00 |  
                    | High | 108.70 |  
                    | Low | 102.00 |  
                    | Volume | 104,400 |  
                    | Split-adjusted Price | 12.88 |  
                
             | 
 |  STP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/10/2007 | +5.80 / +5.79% | 102.00 | 108.70 | 102.00 | 106.00 | 104.72 | 12.88 | 104,400 |   |  
            | 12/7/2007 | +2.70 / +2.77% | 97.00 | 102.00 | 96.00 | 100.20 | 98.92 | 12.18 | 79,800 |   |  			
            | 12/6/2007 | +0.60 / +0.62% | 95.00 | 98.80 | 95.00 | 97.50 | 96.64 | 11.85 | 57,100 |   |  
            | 12/5/2007 | -1.10 / -1.12% | 100.50 | 100.50 | 90.80 | 96.90 | 94.33 | 11.78 | 73,100 |   |  			
            | 12/4/2007 | +4.70 / +5.04% | 94.50 | 100.00 | 94.50 | 98.00 | 98.55 | 11.91 | 106,700 |   |  
            | 12/3/2007 | +7.70 / +9.00% | 90.00 | 93.30 | 89.00 | 93.30 | 92.15 | 11.34 | 97,600 |   |  			
            | 11/30/2007 | +0.60 / +0.71% | 84.90 | 86.00 | 84.00 | 85.60 | 84.87 | 10.40 | 52,200 |   |  
            | 11/29/2007 | +4.50 / +5.59% | 82.00 | 86.00 | 80.50 | 85.00 | 83.24 | 10.33 | 61,600 |   |  			
            | 11/28/2007 | +1.50 / +1.90% | 81.50 | 81.50 | 78.50 | 80.50 | 79.62 | 9.78 | 21,800 |   |  
            | 11/27/2007 | +1.00 / +1.28% | 79.00 | 82.00 | 78.00 | 79.00 | 79.57 | 9.60 | 28,800 |   |  			
            | 11/26/2007 | +2.80 / +3.72% | 78.00 | 78.00 | 76.20 | 78.00 | 77.34 | 9.48 | 23,500 |   |  
            | 11/23/2007 | -0.30 / -0.40% | 77.50 | 78.00 | 74.50 | 75.20 | 75.61 | 9.14 | 17,800 |   |  			
            | 11/22/2007 | +0.50 / +0.67% | 71.60 | 78.80 | 71.60 | 75.50 | 76.47 | 9.18 | 48,100 |   |  
            | 11/21/2007 | 0.00 / 0.00% | 75.00 | 76.00 | 71.00 | 75.00 | 74.76 | 9.12 | 28,100 |   |  			
            | 11/20/2007 | -1.10 / -1.45% | 74.80 | 77.00 | 74.80 | 75.00 | 75.47 | 9.12 | 23,900 |   |  
            | 11/19/2007 | +3.90 / +5.40% | 73.00 | 78.00 | 73.00 | 76.10 | 74.82 | 9.25 | 17,000 |   |  			
            | 11/16/2007 | -3.10 / -4.12% | 73.00 | 73.00 | 69.00 | 72.20 | 71.38 | 8.78 | 36,700 |   |  
            | 11/15/2007 | -5.60 / -6.92% | 84.00 | 84.00 | 73.10 | 75.30 | 76.16 | 9.15 | 11,800 |   |  			
            | 11/14/2007 | +7.80 / +10.67% | 70.00 | 80.90 | 70.00 | 80.90 | 80.11 | 9.83 | 82,000 |   |  
            | 11/13/2007 | -5.90 / -7.47% | 75.00 | 75.00 | 73.10 | 73.10 | 73.59 | 8.89 | 16,100 |   |  			
            | 11/12/2007 | -6.00 / -7.06% | 83.00 | 83.00 | 79.00 | 79.00 | 81.16 | 9.60 | 38,100 |   |  
            | 11/9/2007 | -2.00 / -2.30% | 86.80 | 86.80 | 81.00 | 85.00 | 85.00 | 10.33 | 35,500 |   |  			
            | 11/8/2007 | -0.90 / -1.02% | 88.70 | 90.00 | 87.00 | 87.00 | 87.00 | 10.57 | 39,800 |   |  
            | 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 |   |  |