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                    Closing price on 3/1/2012
                 |  |  
    
        |           
                
                    | Open | 5.60 |  
                    | High | 5.60 |  
                    | Low | 5.60 |  
                    | Volume | 3,000 |  
                    | Split-adjusted Price | 2.18 |  
                
             | 
 |  SCL Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/1/2012 | +0.30 / +5.66% | 5.60 | 5.60 | 5.60 | 5.60 | 5.60 | 2.18 | 3,000 |   |  
            | 2/29/2012 | -0.10 / -1.85% | 5.30 | 5.30 | 5.30 | 5.30 | 5.30 | 2.07 | 500 |   |  			
            | 2/28/2012 | -0.20 / -3.57% | 5.60 | 5.60 | 5.40 | 5.40 | 5.48 | 2.11 | 1,300 |   |  
            | 2/27/2012 | +0.20 / +3.70% | 5.40 | 5.70 | 5.40 | 5.60 | 5.58 | 2.18 | 6,000 |   |  			
            | 2/24/2012 | -0.40 / -6.90% | 5.60 | 5.60 | 5.40 | 5.40 | 5.44 | 2.11 | 19,100 |   |  
            | 2/23/2012 | +0.30 / +5.45% | 5.90 | 5.90 | 5.30 | 5.80 | 5.38 | 2.26 | 24,500 |   |  			
            | 2/22/2012 | -0.40 / -6.78% | 5.60 | 5.80 | 5.50 | 5.50 | 5.59 | 2.14 | 13,900 |   |  
            | 2/21/2012 | 0.00 / 0.00% | 5.90 | 5.90 | 5.90 | 5.90 | 5.90 | 2.30 | 500 |   |  			
            | 2/20/2012 | +0.30 / +5.36% | 5.90 | 5.90 | 5.90 | 5.90 | 5.90 | 2.30 | 100 |   |  
            | 2/17/2012 | -0.40 / -6.67% | 5.60 | 5.60 | 5.60 | 5.60 | 5.60 | 2.18 | 300 |   |  			
            | 2/16/2012 | 0.00 / 0.00% | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 2.34 | 0 |   |  
            | 2/15/2012 | 0.00 / 0.00% | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 2.34 | 0 |   |  			
            | 2/14/2012 | 0.00 / 0.00% | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 2.34 | 0 |   |  
            | 2/13/2012 | 0.00 / 0.00% | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 2.34 | 0 |   |  			
            | 2/10/2012 | 0.00 / 0.00% | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 2.34 | 0 |   |  
            | 2/9/2012 | 0.00 / 0.00% | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 2.34 | 1,200 |   |  			
            | 2/8/2012 | +0.20 / +3.45% | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 2.34 | 100 |   |  
            | 2/7/2012 | -0.10 / -1.69% | 5.70 | 5.80 | 5.70 | 5.80 | 5.80 | 2.26 | 2,400 |   |  			
            | 2/6/2012 | +0.10 / +1.72% | 5.90 | 5.90 | 5.90 | 5.90 | 5.90 | 2.30 | 100 |   |  
            | 2/3/2012 | +0.20 / +3.57% | 5.80 | 5.80 | 5.70 | 5.80 | 5.75 | 2.26 | 83,100 |   |  			
            | 2/2/2012 | +0.10 / +1.82% | 5.60 | 5.60 | 5.60 | 5.60 | 5.60 | 2.18 | 100 |   |  
            | 2/1/2012 | +0.10 / +1.85% | 5.50 | 5.50 | 5.50 | 5.50 | 5.50 | 2.14 | 100 |   |  			
            | 1/31/2012 | +0.20 / +3.85% | 5.40 | 5.40 | 5.40 | 5.40 | 5.40 | 2.11 | 100 |   |  
            | 1/30/2012 | +0.30 / +6.12% | 5.20 | 5.20 | 5.20 | 5.20 | 5.20 | 2.03 | 100 |   |  			
            | 1/20/2012 | +0.30 / +6.52% | 4.90 | 4.90 | 4.90 | 4.90 | 4.90 | 1.91 | 100 |   |  
            | 1/19/2012 | 0.00 / 0.00% | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 1.79 | 0 |   |  			
            | 1/18/2012 | +0.30 / +6.98% | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 1.79 | 500 |   |  
            | 1/17/2012 | +0.20 / +4.88% | 4.30 | 4.30 | 4.30 | 4.30 | 4.30 | 1.68 | 0 |   |  			
            | 1/16/2012 | 0.00 / 0.00% | 4.30 | 4.30 | 4.10 | 4.10 | 4.28 | 1.60 | 1,700 |   |  
            | 1/13/2012 | +0.20 / +5.13% | 4.10 | 4.10 | 4.10 | 4.10 | 4.10 | 1.60 | 3,000 |   |  |