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                    Closing price on 6/7/2007
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                    | Open | 36.50 |  
                    | High | 37.00 |  
                    | Low | 36.50 |  
                    | Volume | 5,200 |  
                    | Split-adjusted Price | 36.50 |  
                
             | 
 |  SCC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/7/2007 | -1.50 / -3.95% | 36.50 | 37.00 | 36.50 | 36.50 | 36.63 | 36.50 | 5,200 |   |  
            | 6/6/2007 | +2.50 / +7.04% | 35.70 | 38.00 | 35.50 | 38.00 | 36.50 | 38.00 | 4,200 |   |  			
            | 6/5/2007 | -0.50 / -1.39% | 35.70 | 36.00 | 35.10 | 35.50 | 35.58 | 35.50 | 7,700 |   |  
            | 6/4/2007 | 0.00 / 0.00% | 36.30 | 36.80 | 36.00 | 36.00 | 36.28 | 36.00 | 1,900 |   |  			
            | 6/1/2007 | 0.00 / 0.00% | 36.60 | 37.50 | 36.00 | 36.50 | 36.50 | 36.50 | 15,100 |   |  
            | 5/31/2007 | -0.50 / -1.35% | 36.50 | 37.50 | 36.50 | 36.50 | 36.50 | 36.50 | 18,100 |   |  			
            | 5/30/2007 | 0.00 / 0.00% | 36.20 | 37.00 | 35.50 | 37.00 | 36.50 | 37.00 | 4,500 |   |  
            | 5/29/2007 | -1.50 / -3.90% | 36.40 | 38.50 | 34.30 | 37.00 | 37.00 | 37.00 | 2,000 |   |  			
            | 5/28/2007 | 0.00 / 0.00% | 37.90 | 39.00 | 37.50 | 38.50 | 38.23 | 38.50 | 5,600 |   |  
            | 5/25/2007 | +0.40 / +1.01% | 37.90 | 40.00 | 35.70 | 40.00 | 40.00 | 40.00 | 8,300 |   |  			
            | 5/24/2007 | -2.40 / -5.71% | 39.60 | 42.50 | 38.60 | 39.60 | 40.00 | 39.60 | 6,100 |   |  
            | 5/23/2007 | +2.70 / +6.87% | 39.70 | 43.10 | 39.70 | 42.00 | 41.13 | 42.00 | 40,800 |   |  			
            | 5/22/2007 | +1.90 / +5.08% | 38.00 | 39.30 | 38.00 | 39.30 | 38.65 | 39.30 | 48,800 |   |  
            | 5/21/2007 | 0.00 / 0.00% | 34.00 | 37.40 | 34.00 | 37.40 | 35.70 | 37.40 | 9,200 |   |  			
            | 5/18/2007 | +1.00 / +2.94% | 33.90 | 35.00 | 33.50 | 35.00 | 35.00 | 35.00 | 4,700 |   |  
            | 5/17/2007 | 0.00 / 0.00% | 33.80 | 34.00 | 33.80 | 34.00 | 33.90 | 34.00 | 2,700 |   |  			
            | 5/16/2007 | -1.70 / -4.76% | 33.80 | 34.50 | 33.00 | 34.00 | 34.00 | 34.00 | 6,600 |   |  
            | 5/15/2007 | +0.20 / +0.56% | 35.10 | 35.70 | 35.00 | 35.70 | 35.38 | 35.70 | 1,000 |   |  			
            | 5/14/2007 | 0.00 / 0.00% | 35.70 | 36.00 | 35.00 | 35.50 | 35.70 | 35.50 | 6,800 |   |  
            | 5/11/2007 | -0.70 / -1.91% | 35.80 | 36.00 | 35.00 | 36.00 | 36.00 | 36.00 | 2,600 |   |  			
            | 5/10/2007 | -0.30 / -0.81% | 36.70 | 37.00 | 36.00 | 36.70 | 36.00 | 36.70 | 2,300 |   |  
            | 5/9/2007 | 0.00 / 0.00% | 37.00 | 38.00 | 36.00 | 37.00 | 36.70 | 37.00 | 1,100 |   |  			
            | 5/8/2007 | -0.90 / -2.37% | 36.50 | 38.00 | 36.50 | 37.00 | 37.00 | 37.00 | 3,000 |   |  
            | 5/7/2007 | 0.00 / 0.00% | 35.50 | 37.90 | 35.50 | 37.90 | 37.00 | 37.90 | 3,100 |   |  			
            | 5/4/2007 | +0.20 / +0.55% | 35.10 | 36.50 | 34.00 | 36.40 | 36.40 | 36.40 | 3,300 |   |  
            | 5/3/2007 | +1.20 / +3.43% | 36.00 | 37.40 | 36.00 | 36.20 | 36.40 | 36.20 | 2,000 |   |  			
            | 5/2/2007 | 0.00 / 0.00% | 35.80 | 38.00 | 35.00 | 35.00 | 36.20 | 35.00 | 2,600 |   |  
            | 4/25/2007 | 0.00 / 0.00% | 35.80 | 37.00 | 35.00 | 37.00 | 37.00 | 37.00 | 3,200 |   |  			
            | 4/24/2007 | +3.00 / +8.82% | 34.50 | 37.00 | 34.50 | 37.00 | 37.00 | 37.00 | 2,400 |   |  
            | 4/23/2007 | 0.00 / 0.00% | 34.00 | 35.80 | 33.80 | 34.00 | 34.40 | 34.00 | 3,100 |   |  |