| 
    
        
            | 
                    Closing price on 6/14/2012
                 |  |  
    
        |           
                
                    | Open | 5.20 |  
                    | High | 5.70 |  
                    | Low | 5.20 |  
                    | Volume | 3,200 |  
                    | Split-adjusted Price | 2.22 |  
                
             | 
 |  SCL Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/14/2012 | +0.30 / +5.56% | 5.20 | 5.70 | 5.20 | 5.70 | 5.37 | 2.22 | 3,200 |   |  
            | 6/13/2012 | +0.10 / +1.89% | 5.50 | 5.50 | 5.40 | 5.40 | 5.41 | 2.11 | 2,400 |   |  			
            | 6/12/2012 | -0.30 / -5.36% | 5.30 | 5.30 | 5.30 | 5.30 | 5.30 | 2.07 | 100 |   |  
            | 6/11/2012 | +0.20 / +3.70% | 5.50 | 5.60 | 5.40 | 5.60 | 5.46 | 2.18 | 7,600 |   |  			
            | 6/8/2012 | -0.10 / -1.82% | 5.50 | 5.50 | 5.40 | 5.40 | 5.48 | 2.11 | 20,100 |   |  
            | 6/7/2012 | +0.10 / +1.85% | 5.50 | 5.50 | 5.40 | 5.50 | 5.40 | 2.14 | 10,000 |   |  			
            | 6/6/2012 | 0.00 / 0.00% | 5.10 | 5.40 | 5.10 | 5.40 | 5.30 | 2.11 | 300 |   |  
            | 6/5/2012 | 0.00 / 0.00% | 5.10 | 5.40 | 5.10 | 5.40 | 5.25 | 2.11 | 200 |   |  			
            | 6/4/2012 | 0.00 / 0.00% | 5.10 | 5.40 | 5.10 | 5.40 | 5.10 | 2.11 | 21,200 |   |  
            | 6/1/2012 | 0.00 / 0.00% | 5.20 | 5.40 | 5.20 | 5.40 | 5.40 | 2.11 | 31,100 |   |  			
            | 5/31/2012 | -0.30 / -5.26% | 5.40 | 5.40 | 5.40 | 5.40 | 5.40 | 2.11 | 18,100 |   |  
            | 5/30/2012 | 0.00 / 0.00% | 5.70 | 5.70 | 5.70 | 5.70 | 5.70 | 2.22 | 0 |   |  			
            | 5/29/2012 | -0.30 / -5.00% | 5.50 | 5.70 | 5.50 | 5.70 | 5.57 | 2.22 | 2,800 |   |  
            | 5/28/2012 | +0.10 / +1.69% | 5.70 | 6.00 | 5.50 | 6.00 | 5.54 | 2.34 | 14,400 |   |  			
            | 5/25/2012 | 0.00 / 0.00% | 5.90 | 5.90 | 5.70 | 5.90 | 5.88 | 2.30 | 3,600 |   |  
            | 5/24/2012 | -0.10 / -1.67% | 5.60 | 5.90 | 5.60 | 5.90 | 5.61 | 2.30 | 5,200 |   |  			
            | 5/23/2012 | -0.20 / -3.23% | 5.80 | 6.00 | 5.80 | 6.00 | 5.81 | 2.34 | 3,700 |   |  
            | 5/22/2012 | 0.00 / 0.00% | 6.00 | 6.20 | 5.90 | 6.20 | 5.96 | 2.42 | 2,000 |   |  			
            | 5/21/2012 | -0.40 / -6.06% | 6.00 | 6.30 | 6.00 | 6.20 | 6.19 | 2.42 | 2,200 |   |  
            | 5/18/2012 | +0.70 / +11.86% | 5.80 | 6.60 | 5.80 | 6.60 | 6.22 | 2.57 | 600 |   |  			
            | 5/17/2012 | -0.30 / -4.84% | 6.20 | 6.20 | 5.90 | 5.90 | 6.16 | 2.30 | 16,000 |   |  
            | 5/16/2012 | +0.10 / +1.64% | 5.90 | 6.20 | 5.70 | 6.20 | 5.87 | 2.42 | 9,100 |   |  			
            | 5/15/2012 | -0.40 / -6.15% | 6.30 | 6.30 | 6.10 | 6.10 | 6.15 | 2.38 | 12,500 |   |  
            | 5/14/2012 | -0.40 / -5.80% | 6.50 | 6.90 | 6.50 | 6.50 | 6.60 | 2.53 | 11,300 |   |  			
            | 5/11/2012 | -0.50 / -6.76% | 7.70 | 7.70 | 6.90 | 6.90 | 7.37 | 2.69 | 40,300 |   |  
            | 5/10/2012 | +0.30 / +4.23% | 7.40 | 7.50 | 7.10 | 7.40 | 7.39 | 2.88 | 58,100 |   |  			
            | 5/9/2012 | +0.10 / +1.43% | 7.20 | 7.20 | 6.60 | 7.10 | 6.82 | 2.77 | 3,700 |   |  
            | 5/8/2012 | +0.10 / +1.45% | 7.10 | 7.30 | 6.90 | 7.00 | 7.10 | 2.73 | 26,000 |   |  			
            | 5/7/2012 | +0.30 / +4.55% | 6.60 | 6.90 | 6.60 | 6.90 | 6.65 | 2.69 | 26,900 |   |  
            | 5/4/2012 | +0.30 / +4.76% | 6.10 | 6.60 | 6.10 | 6.60 | 6.16 | 2.57 | 4,200 |   |  |