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                    Closing price on 4/12/2013
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                    | Open | 25.50 |  
                    | High | 25.50 |  
                    | Low | 25.50 |  
                    | Volume | 600 |  
                    | Split-adjusted Price | 10.81 |  
                
             | 
 |  BTT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/12/2013 | 0.00 / 0.00% | 25.50 | 25.50 | 25.50 | 25.50 | 25.50 | 10.81 | 600 |   |  
            | 4/11/2013 | -0.10 / -0.39% | 25.80 | 25.80 | 25.50 | 25.50 | 25.50 | 10.81 | 4,000 |   |  			
            | 4/10/2013 | +0.10 / +0.39% | 25.70 | 25.70 | 25.50 | 25.60 | 25.60 | 10.85 | 3,900 |   |  
            | 4/9/2013 | +0.50 / +2.00% | 25.50 | 25.50 | 25.50 | 25.50 | 25.50 | 10.81 | 1,000 |   |  			
            | 4/8/2013 | -0.10 / -0.40% | 25.00 | 25.00 | 25.00 | 25.00 | 25.00 | 10.60 | 20 |   |  
            | 4/5/2013 | +0.10 / +0.40% | 25.10 | 25.10 | 25.10 | 25.10 | 25.10 | 10.64 | 2,000 |   |  			
            | 4/4/2013 | -0.50 / -1.96% | 25.00 | 25.00 | 25.00 | 25.00 | 25.00 | 10.60 | 360 |   |  
            | 4/3/2013 | 0.00 / 0.00% | 25.50 | 25.50 | 25.50 | 25.50 | 25.50 | 10.81 | 1,600 |   |  			
            | 4/2/2013 | 0.00 / 0.00% | 25.10 | 25.50 | 25.10 | 25.50 | 25.50 | 10.81 | 1,720 |   |  
            | 4/1/2013 | -0.10 / -0.39% | 25.50 | 25.50 | 25.50 | 25.50 | 25.50 | 10.81 | 2,500 |   |  			
            | 3/29/2013 | -0.40 / -1.54% | 25.60 | 25.60 | 25.60 | 25.60 | 25.60 | 10.85 | 900 |   |  
            | 3/28/2013 | +0.20 / +0.78% | 26.00 | 26.00 | 26.00 | 26.00 | 26.00 | 11.02 | 20 |   |  			
            | 3/27/2013 | -0.20 / -0.77% | 26.00 | 26.00 | 25.70 | 25.80 | 25.80 | 10.93 | 4,500 |   |  
            | 3/26/2013 | 0.00 / 0.00% | 25.60 | 26.00 | 25.60 | 26.00 | 26.00 | 11.02 | 5,570 |   |  			
            | 3/25/2013 | 0.00 / 0.00% | 25.60 | 26.00 | 25.60 | 26.00 | 26.00 | 11.02 | 3,300 |   |  
            | 3/22/2013 | +1.50 / +6.12% | 25.00 | 26.00 | 25.00 | 26.00 | 26.00 | 11.02 | 3,960 |   |  			
            | 3/21/2013 | 0.00 / 0.00% | 24.10 | 26.20 | 24.10 | 24.50 | 24.50 | 10.38 | 22,240 |   |  
            | 3/20/2013 | 0.00 / 0.00% | 24.50 | 26.20 | 24.00 | 24.50 | 24.50 | 10.38 | 20,530 |   |  			
            | 3/19/2013 | +0.70 / +2.94% | 23.80 | 24.50 | 23.80 | 24.50 | 24.50 | 10.38 | 2,150 |   |  
            | 3/18/2013 | -0.20 / -0.83% | 23.80 | 23.80 | 23.20 | 23.80 | 23.80 | 10.09 | 1,600 |   |  			
            | 3/15/2013 | +0.20 / +0.84% | 24.00 | 24.00 | 23.80 | 24.00 | 24.00 | 10.17 | 600 |   |  
            | 3/14/2013 | +0.40 / +1.71% | 23.50 | 23.80 | 23.50 | 23.80 | 23.80 | 10.09 | 3,430 |   |  			
            | 3/13/2013 | +0.10 / +0.43% | 23.30 | 23.60 | 23.30 | 23.40 | 23.40 | 9.92 | 4,020 |   |  
            | 3/12/2013 | -0.30 / -1.27% | 23.00 | 23.50 | 23.00 | 23.30 | 23.30 | 9.87 | 2,760 |   |  			
            | 3/11/2013 | +0.10 / +0.43% | 23.50 | 23.60 | 23.50 | 23.60 | 23.60 | 10.00 | 820 |   |  
            | 3/8/2013 | +1.00 / +4.44% | 22.80 | 23.50 | 22.80 | 23.50 | 23.50 | 9.96 | 510 |   |  			
            | 3/7/2013 | +0.20 / +0.90% | 23.50 | 23.50 | 22.50 | 22.50 | 22.50 | 9.54 | 1,910 |   |  
            | 3/6/2013 | 0.00 / 0.00% | 23.50 | 23.50 | 22.30 | 22.30 | 22.30 | 9.45 | 1,220 |   |  			
            | 3/5/2013 | -0.20 / -0.89% | 22.30 | 22.30 | 22.30 | 22.30 | 22.30 | 9.45 | 20 |   |  
            | 3/4/2013 | -1.00 / -4.26% | 23.20 | 23.50 | 22.50 | 22.50 | 22.50 | 9.54 | 8,940 |   |  |