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                    Closing price on 4/8/2011
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        |           
                
                    | Open | 33.00 |  
                    | High | 33.40 |  
                    | Low | 33.00 |  
                    | Volume | 4,990 |  
                    | Split-adjusted Price | 11.24 |  
                
             | 
 |  LSS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/8/2011 | +0.20 / +0.60% | 33.00 | 33.40 | 33.00 | 33.40 | 33.40 | 11.24 | 4,990 |   |  
            | 4/7/2011 | -0.50 / -1.48% | 33.20 | 33.20 | 33.20 | 33.20 | 33.20 | 11.18 | 10,430 |   |  			
            | 4/6/2011 | 0.00 / 0.00% | 33.70 | 33.70 | 33.50 | 33.70 | 33.70 | 11.34 | 103,510 |   |  
            | 4/5/2011 | -0.10 / -0.30% | 33.80 | 33.80 | 32.80 | 33.70 | 33.70 | 11.34 | 3,390 |   |  			
            | 4/4/2011 | +0.10 / +0.30% | 33.80 | 33.80 | 33.80 | 33.80 | 33.80 | 11.38 | 203,000 |   |  
            | 4/1/2011 | +0.50 / +1.51% | 33.50 | 33.70 | 33.20 | 33.70 | 33.70 | 11.34 | 6,100 |   |  			
            | 3/31/2011 | -0.40 / -1.19% | 33.60 | 33.60 | 33.00 | 33.20 | 33.20 | 11.18 | 6,390 |   |  
            | 3/30/2011 | 0.00 / 0.00% | 33.00 | 33.60 | 33.00 | 33.60 | 33.60 | 11.31 | 3,860 |   |  			
            | 3/29/2011 | +0.40 / +1.20% | 33.20 | 33.80 | 33.00 | 33.60 | 33.60 | 11.31 | 9,520 |   |  
            | 3/28/2011 | -0.60 / -1.78% | 33.80 | 33.80 | 33.20 | 33.20 | 33.20 | 11.18 | 8,740 |   |  			
            | 3/25/2011 | 0.00 / 0.00% | 33.80 | 33.80 | 33.50 | 33.80 | 33.80 | 11.38 | 7,310 |   |  
            | 3/24/2011 | -0.20 / -0.59% | 34.00 | 34.00 | 33.70 | 33.80 | 33.80 | 11.38 | 14,490 |   |  			
            | 3/23/2011 | +0.50 / +1.49% | 33.90 | 34.00 | 33.50 | 34.00 | 34.00 | 11.44 | 48,170 |   |  
            | 3/22/2011 | -0.20 / -0.59% | 33.50 | 33.80 | 33.50 | 33.50 | 33.50 | 11.28 | 77,010 |   |  			
            | 3/21/2011 | +0.20 / +0.60% | 34.90 | 34.90 | 33.70 | 33.70 | 33.70 | 11.34 | 25,090 |   |  
            | 3/18/2011 | -0.30 / -0.89% | 34.70 | 34.70 | 33.50 | 33.50 | 33.50 | 11.28 | 22,920 |   |  			
            | 3/17/2011 | -0.30 / -0.88% | 34.00 | 34.00 | 33.50 | 33.80 | 33.80 | 11.38 | 28,990 |   |  
            | 3/16/2011 | -0.10 / -0.29% | 33.50 | 34.10 | 33.50 | 34.10 | 34.10 | 11.48 | 2,000 |   |  			
            | 3/15/2011 | +1.00 / +3.01% | 33.10 | 34.20 | 33.10 | 34.20 | 34.20 | 11.51 | 2,790 |   |  
            | 3/14/2011 | -1.30 / -3.77% | 34.50 | 34.50 | 33.20 | 33.20 | 33.20 | 11.18 | 27,140 |   |  			
            | 3/11/2011 | 0.00 / 0.00% | 35.00 | 35.00 | 34.50 | 34.50 | 34.50 | 11.61 | 57,680 |   |  
            | 3/10/2011 | +0.80 / +2.37% | 33.30 | 35.00 | 33.30 | 34.50 | 34.50 | 11.61 | 4,820 |   |  			
            | 3/9/2011 | 0.00 / 0.00% | 33.70 | 33.70 | 33.50 | 33.70 | 33.70 | 11.34 | 54,650 |   |  
            | 3/8/2011 | 0.00 / 0.00% | 34.00 | 34.00 | 33.70 | 33.70 | 33.70 | 11.34 | 49,220 |   |  			
            | 3/7/2011 | -0.10 / -0.30% | 34.00 | 34.00 | 33.70 | 33.70 | 33.70 | 11.34 | 50,930 |   |  
            | 3/4/2011 | +0.10 / +0.30% | 33.70 | 33.80 | 33.60 | 33.80 | 33.80 | 11.38 | 9,440 |   |  			
            | 3/3/2011 | 0.00 / 0.00% | 33.90 | 33.90 | 33.70 | 33.70 | 33.70 | 11.34 | 63,300 |   |  
            | 3/2/2011 | -0.30 / -0.88% | 33.20 | 34.00 | 33.20 | 33.70 | 33.70 | 11.34 | 122,680 |   |  			
            | 3/1/2011 | -0.80 / -2.30% | 34.80 | 34.80 | 34.00 | 34.00 | 34.00 | 11.44 | 4,580 |   |  
            | 2/28/2011 | +0.60 / +1.75% | 34.50 | 35.00 | 34.50 | 34.80 | 34.80 | 11.71 | 31,730 |   |  |