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                    Closing price on 11/12/2012
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                    | Open | 19.50 |  
                    | High | 20.20 |  
                    | Low | 19.50 |  
                    | Volume | 1,430 |  
                    | Split-adjusted Price | 8.26 |  
                
             | 
 |  BTT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/12/2012 | 0.00 / 0.00% | 19.50 | 20.20 | 19.50 | 20.20 | 20.20 | 8.26 | 1,430 |   |  
            | 11/9/2012 | -0.10 / -0.49% | 20.20 | 20.20 | 20.20 | 20.20 | 20.20 | 8.26 | 1,610 |   |  			
            | 11/8/2012 | +0.30 / +1.50% | 20.30 | 20.30 | 20.30 | 20.30 | 20.30 | 8.30 | 120 |   |  
            | 11/7/2012 | +0.50 / +2.56% | 20.00 | 20.00 | 20.00 | 20.00 | 20.00 | 8.18 | 10 |   |  			
            | 11/6/2012 | +0.30 / +1.56% | 19.50 | 19.50 | 19.50 | 19.50 | 19.50 | 7.97 | 800 |   |  
            | 11/5/2012 | -0.60 / -3.03% | 19.50 | 19.90 | 19.20 | 19.20 | 19.20 | 7.85 | 3,010 |   |  			
            | 11/2/2012 | 0.00 / 0.00% | 19.40 | 19.80 | 19.40 | 19.80 | 19.80 | 8.10 | 1,190 |   |  
            | 11/1/2012 | 0.00 / 0.00% | 18.90 | 19.90 | 18.90 | 19.80 | 19.80 | 8.10 | 3,250 |   |  			
            | 10/31/2012 | -1.00 / -4.81% | 19.80 | 19.80 | 19.80 | 19.80 | 19.80 | 8.10 | 1,120 |   |  
            | 10/30/2012 | +0.90 / +4.52% | 19.90 | 20.80 | 19.90 | 20.80 | 20.80 | 8.51 | 1,010 |   |  			
            | 10/29/2012 | +0.10 / +0.51% | 19.90 | 19.90 | 19.90 | 19.90 | 19.90 | 8.14 | 10 |   |  
            | 10/26/2012 | +0.20 / +1.02% | 19.50 | 19.80 | 19.50 | 19.80 | 19.80 | 8.10 | 2,260 |   |  			
            | 10/25/2012 | -0.60 / -2.97% | 20.00 | 20.00 | 19.40 | 19.60 | 19.60 | 8.02 | 4,030 |   |  
            | 10/24/2012 | 0.00 / 0.00% | 19.60 | 20.20 | 19.50 | 20.20 | 20.20 | 8.26 | 1,720 |   |  			
            | 10/23/2012 | 0.00 / 0.00% | 19.50 | 20.20 | 19.50 | 20.20 | 20.20 | 8.26 | 2,270 |   |  
            | 10/22/2012 | -0.20 / -0.98% | 20.40 | 20.40 | 19.50 | 20.20 | 20.20 | 8.26 | 1,510 |   |  			
            | 10/19/2012 | -4.60 / -18.40% | 20.90 | 20.90 | 19.80 | 20.40 | 20.40 | 8.34 | 2,040 |   |  
            | 10/18/2012 | -0.40 / -1.57% | 24.20 | 25.00 | 24.20 | 25.00 | 25.00 | 8.49 | 1,580 |   |  			
            | 10/17/2012 | +0.50 / +2.01% | 23.70 | 25.40 | 23.70 | 25.40 | 25.40 | 8.62 | 5,480 |   |  
            | 10/16/2012 | 0.00 / 0.00% | 24.90 | 24.90 | 24.90 | 24.90 | 24.90 | 8.45 | 100 |   |  			
            | 10/15/2012 | +0.60 / +2.47% | 23.80 | 24.90 | 23.80 | 24.90 | 24.90 | 8.45 | 6,610 |   |  
            | 10/12/2012 | +1.10 / +4.74% | 23.50 | 24.30 | 23.40 | 24.30 | 24.30 | 8.25 | 4,100 |   |  			
            | 10/11/2012 | +0.60 / +2.65% | 23.50 | 23.70 | 23.20 | 23.20 | 23.20 | 7.88 | 1,170 |   |  
            | 10/10/2012 | -0.90 / -3.83% | 24.60 | 24.60 | 22.60 | 22.60 | 22.60 | 7.67 | 2,420 |   |  			
            | 10/9/2012 | +1.00 / +4.44% | 23.50 | 23.60 | 23.50 | 23.50 | 23.50 | 7.98 | 1,640 |   |  
            | 10/8/2012 | +1.00 / +4.65% | 22.50 | 22.50 | 22.50 | 22.50 | 22.50 | 7.64 | 110 |   |  			
            | 10/5/2012 | -0.90 / -4.02% | 21.50 | 21.50 | 21.50 | 21.50 | 21.50 | 7.30 | 10 |   |  
            | 10/4/2012 | +0.10 / +0.45% | 22.50 | 22.50 | 22.40 | 22.40 | 22.40 | 7.60 | 40 |   |  			
            | 10/3/2012 | +0.20 / +0.90% | 23.00 | 23.00 | 22.30 | 22.30 | 22.30 | 7.57 | 570 |   |  
            | 10/2/2012 | 0.00 / 0.00% | 23.00 | 23.00 | 22.10 | 22.10 | 22.10 | 7.50 | 840 |   |  |