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                    Closing price on 8/24/2012
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                    | Open | 25.00 |  
                    | High | 27.20 |  
                    | Low | 25.00 |  
                    | Volume | 101,900 |  
                    | Split-adjusted Price | 6.59 |  
                
             | 
 |  LAS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/24/2012 | +1.80 / +7.09% | 25.00 | 27.20 | 25.00 | 27.20 | 26.81 | 6.59 | 101,900 |   |  
            | 8/23/2012 | -1.80 / -6.62% | 27.10 | 27.10 | 25.30 | 25.40 | 25.89 | 6.15 | 275,600 |   |  			
            | 8/22/2012 | +0.70 / +2.64% | 26.40 | 27.40 | 26.10 | 27.20 | 27.05 | 6.59 | 82,300 |   |  
            | 8/21/2012 | -1.80 / -6.36% | 28.30 | 28.30 | 26.40 | 26.50 | 26.64 | 6.42 | 377,600 |   |  			
            | 8/20/2012 | +0.50 / +1.80% | 28.00 | 28.50 | 27.90 | 28.30 | 28.26 | 6.86 | 94,000 |   |  
            | 8/17/2012 | +0.30 / +1.09% | 27.50 | 27.90 | 27.50 | 27.80 | 27.82 | 6.73 | 41,100 |   |  			
            | 8/16/2012 | 0.00 / 0.00% | 27.50 | 27.50 | 27.50 | 27.50 | 27.50 | 6.66 | 46,100 |   |  
            | 8/15/2012 | 0.00 / 0.00% | 27.10 | 27.50 | 27.10 | 27.50 | 27.21 | 6.66 | 21,000 |   |  			
            | 8/14/2012 | +0.20 / +0.73% | 27.30 | 27.50 | 27.00 | 27.50 | 27.17 | 6.66 | 31,400 |   |  
            | 8/13/2012 | -0.40 / -1.44% | 27.30 | 27.30 | 26.90 | 27.30 | 27.15 | 6.61 | 40,100 |   |  			
            | 8/10/2012 | -0.10 / -0.36% | 28.00 | 28.00 | 27.40 | 27.70 | 27.68 | 6.71 | 21,300 |   |  
            | 8/9/2012 | +0.20 / +0.72% | 28.20 | 28.20 | 27.60 | 27.80 | 27.83 | 6.73 | 125,900 |   |  			
            | 8/8/2012 | +0.30 / +1.10% | 27.40 | 27.60 | 27.30 | 27.60 | 27.47 | 6.69 | 48,600 |   |  
            | 8/7/2012 | 0.00 / 0.00% | 27.30 | 27.60 | 27.00 | 27.30 | 27.28 | 6.61 | 115,900 |   |  			
            | 8/6/2012 | +0.80 / +3.02% | 27.00 | 27.70 | 26.70 | 27.30 | 27.38 | 6.61 | 111,000 |   |  
            | 8/3/2012 | +0.10 / +0.38% | 26.50 | 26.70 | 26.10 | 26.50 | 26.51 | 6.42 | 26,300 |   |  			
            | 8/2/2012 | 0.00 / 0.00% | 26.30 | 26.60 | 26.30 | 26.40 | 26.38 | 6.39 | 28,900 |   |  
            | 8/1/2012 | -0.10 / -0.38% | 26.10 | 26.40 | 25.80 | 26.40 | 25.99 | 6.39 | 51,400 |   |  			
            | 7/31/2012 | +0.30 / +1.15% | 26.70 | 27.00 | 26.20 | 26.50 | 26.40 | 6.42 | 46,400 |   |  
            | 7/30/2012 | -0.50 / -1.87% | 26.20 | 26.60 | 25.80 | 26.20 | 26.05 | 6.35 | 88,500 |   |  			
            | 7/27/2012 | -0.20 / -0.74% | 26.90 | 27.00 | 26.20 | 26.70 | 26.66 | 6.47 | 58,000 |   |  
            | 7/26/2012 | -0.10 / -0.37% | 27.00 | 27.70 | 26.60 | 26.90 | 27.01 | 6.52 | 63,700 |   |  			
            | 7/25/2012 | -0.20 / -0.74% | 27.20 | 27.30 | 26.60 | 27.00 | 26.89 | 6.54 | 77,000 |   |  
            | 7/24/2012 | -1.00 / -3.55% | 28.00 | 28.00 | 26.60 | 27.20 | 27.09 | 6.59 | 115,000 |   |  			
            | 7/23/2012 | +0.40 / +1.44% | 27.80 | 29.30 | 27.80 | 28.20 | 28.43 | 6.83 | 256,400 |   |  
            | 7/20/2012 | -0.40 / -1.42% | 28.50 | 28.70 | 27.50 | 27.80 | 28.09 | 6.73 | 196,700 |   |  			
            | 7/19/2012 | +1.80 / +6.82% | 26.40 | 28.20 | 26.40 | 28.20 | 27.14 | 6.83 | 265,300 |   |  
            | 7/18/2012 | +0.80 / +3.13% | 26.00 | 26.60 | 25.20 | 26.40 | 26.01 | 6.39 | 178,500 |   |  			
            | 7/17/2012 | +1.00 / +4.07% | 24.60 | 25.70 | 24.60 | 25.60 | 25.16 | 6.20 | 127,000 |   |  
            | 7/16/2012 | -0.20 / -0.81% | 24.90 | 24.90 | 24.40 | 24.60 | 24.64 | 5.96 | 25,400 |   |  |