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                    Closing price on 4/10/2013
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        |           
                
                    | Open | 38.30 |  
                    | High | 38.40 |  
                    | Low | 37.20 |  
                    | Volume | 166,400 |  
                    | Split-adjusted Price | 9.08 |  
                
             | 
 |  LAS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/10/2013 | -0.90 / -2.34% | 38.30 | 38.40 | 37.20 | 37.50 | 37.99 | 9.08 | 166,400 |   |  
            | 4/9/2013 | -0.20 / -0.52% | 38.30 | 38.90 | 38.30 | 38.40 | 38.55 | 9.30 | 110,000 |   |  			
            | 4/8/2013 | +0.40 / +1.05% | 38.40 | 38.90 | 38.00 | 38.60 | 38.41 | 9.35 | 138,000 |   |  
            | 4/5/2013 | -0.80 / -2.05% | 39.00 | 39.00 | 38.20 | 38.20 | 38.55 | 9.25 | 101,900 |   |  			
            | 4/4/2013 | +0.80 / +2.09% | 38.20 | 39.70 | 38.20 | 39.00 | 39.21 | 9.45 | 259,700 |   |  
            | 4/3/2013 | +1.10 / +2.96% | 37.10 | 38.20 | 37.10 | 38.20 | 37.77 | 9.25 | 364,800 |   |  			
            | 4/2/2013 | -0.10 / -0.27% | 37.10 | 38.00 | 37.00 | 37.10 | 37.55 | 8.99 | 232,000 |   |  
            | 4/1/2013 | +1.00 / +2.76% | 36.00 | 37.20 | 36.00 | 37.20 | 36.52 | 9.01 | 266,200 |   |  			
            | 3/29/2013 | +0.20 / +0.56% | 35.70 | 36.30 | 35.20 | 36.20 | 35.83 | 8.77 | 117,700 |   |  
            | 3/28/2013 | +1.00 / +2.86% | 34.90 | 37.00 | 34.70 | 36.00 | 36.01 | 8.72 | 210,840 |   |  			
            | 3/27/2013 | +1.20 / +3.55% | 33.60 | 35.20 | 33.20 | 35.00 | 34.18 | 8.48 | 134,600 |   |  
            | 3/26/2013 | -0.60 / -1.74% | 34.40 | 34.50 | 33.60 | 33.80 | 34.15 | 8.19 | 75,800 |   |  			
            | 3/25/2013 | 0.00 / 0.00% | 34.10 | 34.90 | 34.10 | 34.40 | 34.43 | 8.33 | 91,600 |   |  
            | 3/22/2013 | +0.50 / +1.47% | 33.90 | 35.00 | 33.50 | 34.40 | 34.11 | 8.33 | 182,300 |   |  			
            | 3/21/2013 | +0.50 / +1.50% | 33.40 | 34.00 | 33.40 | 33.90 | 33.78 | 8.21 | 113,500 |   |  
            | 3/20/2013 | 0.00 / 0.00% | 33.80 | 34.00 | 33.40 | 33.40 | 33.67 | 8.09 | 113,600 |   |  			
            | 3/19/2013 | +1.10 / +3.41% | 32.80 | 34.00 | 32.50 | 33.40 | 33.23 | 8.09 | 131,800 |   |  
            | 3/18/2013 | +0.70 / +2.22% | 32.30 | 32.70 | 32.30 | 32.30 | 32.40 | 7.82 | 135,800 |   |  			
            | 3/15/2013 | -2.40 / -7.06% | 34.20 | 34.20 | 31.60 | 31.60 | 32.86 | 7.65 | 91,900 |   |  
            | 3/14/2013 | +0.80 / +2.41% | 34.00 | 34.90 | 33.80 | 34.00 | 34.14 | 8.24 | 86,700 |   |  			
            | 3/13/2013 | +0.70 / +2.15% | 32.80 | 33.40 | 32.70 | 33.20 | 32.94 | 8.04 | 91,200 |   |  
            | 3/12/2013 | +0.30 / +0.93% | 32.50 | 32.50 | 32.10 | 32.50 | 32.28 | 7.87 | 33,200 |   |  			
            | 3/11/2013 | +0.10 / +0.31% | 32.90 | 32.90 | 32.10 | 32.20 | 32.24 | 7.80 | 19,680 |   |  
            | 3/8/2013 | +0.30 / +0.94% | 32.00 | 32.10 | 32.00 | 32.10 | 32.03 | 7.78 | 4,200 |   |  			
            | 3/7/2013 | -0.20 / -0.63% | 32.00 | 32.00 | 31.60 | 31.80 | 31.81 | 7.70 | 15,500 |   |  
            | 3/6/2013 | +0.60 / +1.91% | 32.40 | 32.40 | 31.70 | 32.00 | 31.87 | 7.75 | 9,700 |   |  			
            | 3/5/2013 | -0.20 / -0.63% | 32.40 | 32.40 | 31.00 | 31.40 | 31.41 | 7.61 | 94,200 |   |  
            | 3/4/2013 | -0.90 / -2.77% | 32.00 | 32.50 | 31.60 | 31.60 | 31.67 | 7.65 | 18,200 |   |  			
            | 3/1/2013 | +0.30 / +0.93% | 32.50 | 33.00 | 32.00 | 32.50 | 32.39 | 7.87 | 19,100 |   |  
            | 2/28/2013 | +0.40 / +1.26% | 32.30 | 32.30 | 31.80 | 32.20 | 32.12 | 7.80 | 13,100 |   |  |