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                    Closing price on 12/28/2012
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                    | Open | 21.00 |  
                    | High | 21.20 |  
                    | Low | 20.20 |  
                    | Volume | 1,310 |  
                    | Split-adjusted Price | 8.67 |  
                
             | 
 |  BTT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/28/2012 | +0.80 / +3.92% | 21.00 | 21.20 | 20.20 | 21.20 | 21.20 | 8.67 | 1,310 |   |  
            | 12/27/2012 | -0.30 / -1.45% | 20.70 | 21.70 | 20.30 | 20.40 | 20.40 | 8.34 | 4,460 |   |  			
            | 12/26/2012 | +0.90 / +4.55% | 20.60 | 20.70 | 19.90 | 20.70 | 20.70 | 8.46 | 3,310 |   |  
            | 12/25/2012 | 0.00 / 0.00% | 19.80 | 19.80 | 19.80 | 19.80 | 19.80 | 8.10 | 30 |   |  			
            | 12/24/2012 | -0.20 / -1.00% | 20.50 | 20.50 | 19.80 | 19.80 | 19.80 | 8.10 | 320 |   |  
            | 12/21/2012 | +0.70 / +3.63% | 19.80 | 20.20 | 19.80 | 20.00 | 20.00 | 8.18 | 1,200 |   |  			
            | 12/20/2012 | -0.40 / -2.03% | 19.30 | 19.30 | 19.30 | 19.30 | 19.30 | 7.89 | 50 |   |  
            | 12/19/2012 | -0.30 / -1.50% | 19.60 | 20.50 | 19.60 | 19.70 | 19.70 | 8.06 | 750 |   |  			
            | 12/18/2012 | +0.20 / +1.01% | 20.00 | 20.00 | 20.00 | 20.00 | 20.00 | 8.18 | 1,010 |   |  
            | 12/17/2012 | 0.00 / 0.00% | 19.80 | 19.80 | 19.80 | 19.80 | 19.80 | 8.10 | 0 |   |  			
            | 12/14/2012 | +0.40 / +2.06% | 20.00 | 20.30 | 19.60 | 19.80 | 19.80 | 8.10 | 1,410 |   |  
            | 12/13/2012 | -0.90 / -4.43% | 19.30 | 19.40 | 19.30 | 19.40 | 19.40 | 7.93 | 510 |   |  			
            | 12/12/2012 | -1.00 / -4.69% | 20.30 | 21.30 | 20.30 | 20.30 | 20.30 | 8.30 | 3,040 |   |  
            | 12/11/2012 | 0.00 / 0.00% | 21.30 | 21.30 | 20.30 | 21.30 | 21.30 | 8.71 | 120 |   |  			
            | 12/10/2012 | 0.00 / 0.00% | 20.30 | 21.30 | 20.30 | 21.30 | 21.30 | 8.71 | 2,520 |   |  
            | 12/7/2012 | 0.00 / 0.00% | 20.30 | 21.30 | 20.30 | 21.30 | 21.30 | 8.71 | 20 |   |  			
            | 12/6/2012 | 0.00 / 0.00% | 20.40 | 21.30 | 20.40 | 21.30 | 21.30 | 8.71 | 20 |   |  
            | 12/5/2012 | 0.00 / 0.00% | 21.30 | 21.30 | 21.20 | 21.30 | 21.30 | 8.71 | 300 |   |  			
            | 12/4/2012 | 0.00 / 0.00% | 20.40 | 21.30 | 20.30 | 21.30 | 21.30 | 8.71 | 2,530 |   |  
            | 12/3/2012 | -0.20 / -0.93% | 20.50 | 21.30 | 20.50 | 21.30 | 21.30 | 8.71 | 20 |   |  			
            | 11/30/2012 | 0.00 / 0.00% | 21.50 | 21.50 | 21.50 | 21.50 | 21.50 | 8.79 | 0 |   |  
            | 11/29/2012 | 0.00 / 0.00% | 21.50 | 21.50 | 21.50 | 21.50 | 21.50 | 8.79 | 0 |   |  			
            | 11/28/2012 | -0.20 / -0.92% | 20.70 | 21.50 | 20.70 | 21.50 | 21.50 | 8.79 | 2,010 |   |  
            | 11/27/2012 | 0.00 / 0.00% | 21.70 | 21.70 | 21.70 | 21.70 | 21.70 | 8.87 | 0 |   |  			
            | 11/26/2012 | 0.00 / 0.00% | 21.70 | 21.70 | 21.70 | 21.70 | 21.70 | 8.87 | 0 |   |  
            | 11/23/2012 | +0.10 / +0.46% | 21.50 | 21.70 | 20.70 | 21.70 | 21.70 | 8.87 | 1,660 |   |  			
            | 11/22/2012 | 0.00 / 0.00% | 21.60 | 21.60 | 21.60 | 21.60 | 21.60 | 8.83 | 0 |   |  
            | 11/21/2012 | +0.10 / +0.47% | 21.50 | 21.60 | 21.50 | 21.60 | 21.60 | 8.83 | 280 |   |  			
            | 11/20/2012 | 0.00 / 0.00% | 21.50 | 21.50 | 21.50 | 21.50 | 21.50 | 8.79 | 0 |   |  
            | 11/19/2012 | 0.00 / 0.00% | 21.50 | 21.50 | 21.50 | 21.50 | 21.50 | 8.79 | 0 |   |  |