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                    Closing price on 12/24/2009
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                    | Open | 28.60 |  
                    | High | 30.30 |  
                    | Low | 28.00 |  
                    | Volume | 179,700 |  
                    | Split-adjusted Price | 4.20 |  
                
             | 
 |  STP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/24/2009 | +1.50 / +5.21% | 28.60 | 30.30 | 28.00 | 30.30 | 29.67 | 4.20 | 179,700 |   |  
            | 12/23/2009 | +1.70 / +6.27% | 27.10 | 29.50 | 27.10 | 28.80 | 28.37 | 4.00 | 84,200 |   |  			
            | 12/22/2009 | -0.90 / -3.21% | 28.50 | 29.80 | 27.00 | 27.10 | 28.22 | 3.76 | 81,200 |   |  
            | 12/21/2009 | +1.70 / +6.46% | 27.50 | 28.00 | 27.50 | 28.00 | 27.97 | 3.88 | 40,600 |   |  			
            | 12/18/2009 | +1.80 / +7.35% | 25.40 | 26.30 | 25.40 | 26.30 | 26.22 | 3.65 | 118,700 |   |  
            | 12/17/2009 | -1.70 / -6.49% | 25.00 | 26.50 | 24.50 | 24.50 | 24.57 | 3.40 | 108,200 |   |  			
            | 12/16/2009 | -1.10 / -4.03% | 26.50 | 26.50 | 26.20 | 26.20 | 26.29 | 3.63 | 15,300 |   |  
            | 12/15/2009 | -2.20 / -7.46% | 27.50 | 29.00 | 27.20 | 27.30 | 28.06 | 3.79 | 31,500 |   |  			
            | 12/14/2009 | +1.80 / +6.50% | 25.80 | 29.50 | 25.80 | 29.50 | 28.71 | 4.09 | 72,200 |   |  
            | 12/11/2009 | -1.20 / -4.15% | 27.80 | 28.00 | 27.70 | 27.70 | 27.75 | 3.84 | 31,800 |   |  			
            | 12/10/2009 | -2.10 / -6.77% | 30.00 | 31.50 | 28.90 | 28.90 | 29.75 | 4.01 | 73,800 |   |  
            | 12/9/2009 | -2.00 / -6.06% | 31.50 | 31.50 | 31.00 | 31.00 | 31.04 | 4.30 | 66,300 |   |  			
            | 12/8/2009 | -2.20 / -6.25% | 35.20 | 35.40 | 33.00 | 33.00 | 33.33 | 4.58 | 76,500 |   |  
            | 12/7/2009 | -0.80 / -2.22% | 35.70 | 35.70 | 35.00 | 35.20 | 35.42 | 4.88 | 71,600 |   |  			
            | 12/4/2009 | +0.60 / +1.69% | 36.00 | 36.70 | 35.00 | 36.00 | 35.60 | 4.99 | 45,900 |   |  
            | 12/3/2009 | -1.30 / -3.54% | 35.00 | 37.40 | 34.80 | 35.40 | 35.31 | 4.91 | 73,900 |   |  			
            | 12/2/2009 | -2.80 / -7.09% | 40.00 | 40.00 | 36.70 | 36.70 | 37.38 | 5.09 | 73,600 |   |  
            | 12/1/2009 | +2.10 / +5.61% | 38.00 | 39.50 | 37.00 | 39.50 | 39.40 | 5.48 | 175,000 |   |  			
            | 11/30/2009 | +1.20 / +3.31% | 37.00 | 37.50 | 36.00 | 37.40 | 37.02 | 5.19 | 115,900 |   |  
            | 11/27/2009 | -2.70 / -6.94% | 36.20 | 41.00 | 36.20 | 36.20 | 36.92 | 5.02 | 206,100 |   |  			
            | 11/26/2009 | -2.60 / -6.27% | 38.90 | 39.00 | 38.90 | 38.90 | 38.91 | 5.40 | 81,300 |   |  
            | 11/25/2009 | -2.80 / -6.32% | 43.30 | 43.30 | 41.50 | 41.50 | 41.77 | 5.76 | 82,400 |   |  			
            | 11/24/2009 | -1.20 / -2.64% | 46.10 | 47.00 | 43.50 | 44.30 | 44.61 | 6.15 | 46,900 |   |  
            | 11/23/2009 | -2.70 / -5.60% | 46.20 | 47.90 | 45.00 | 45.50 | 46.09 | 6.31 | 159,500 |   |  			
            | 11/20/2009 | +0.20 / +0.42% | 47.70 | 49.20 | 47.20 | 48.20 | 48.19 | 6.69 | 141,000 |   |  
            | 11/19/2009 | +0.20 / +0.42% | 49.00 | 49.00 | 47.20 | 48.00 | 47.70 | 6.66 | 144,300 |   |  			
            | 11/18/2009 | -0.20 / -0.42% | 46.80 | 49.80 | 45.50 | 47.80 | 47.20 | 6.63 | 130,400 |   |  
            | 11/17/2009 | -1.70 / -3.42% | 51.60 | 52.00 | 47.50 | 48.00 | 48.40 | 6.66 | 160,900 |   |  			
            | 11/16/2009 | +2.60 / +5.52% | 49.40 | 49.70 | 49.00 | 49.70 | 49.64 | 6.89 | 210,000 |   |  
            | 11/13/2009 | +2.70 / +6.08% | 44.10 | 47.10 | 43.40 | 47.10 | 46.53 | 6.53 | 247,200 |   |  |