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                    Closing price on 3/19/2012
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                    | Open | 15.40 |  
                    | High | 15.80 |  
                    | Low | 15.30 |  
                    | Volume | 4,156,720 |  
                    | Split-adjusted Price | 2.09 |  
                
             | 
 |  MBB Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/19/2012 | 0.00 / 0.00% | 15.40 | 15.80 | 15.30 | 15.50 | 15.50 | 2.09 | 4,156,720 |   |  
            | 3/16/2012 | +0.20 / +1.31% | 15.90 | 16.00 | 15.40 | 15.50 | 15.50 | 2.09 | 6,950,540 |   |  			
            | 3/15/2012 | +0.70 / +4.79% | 14.40 | 15.30 | 14.30 | 15.30 | 15.30 | 2.07 | 5,270,660 |   |  
            | 3/14/2012 | -0.40 / -2.67% | 15.30 | 15.30 | 14.60 | 14.60 | 14.60 | 1.97 | 3,710,820 |   |  			
            | 3/13/2012 | +0.60 / +4.17% | 14.70 | 15.10 | 14.40 | 15.00 | 15.00 | 2.02 | 5,135,780 |   |  
            | 3/12/2012 | -0.50 / -3.36% | 14.90 | 14.90 | 14.20 | 14.40 | 14.40 | 1.94 | 7,796,380 |   |  			
            | 3/9/2012 | -0.40 / -2.61% | 14.80 | 15.40 | 14.60 | 14.90 | 14.90 | 2.01 | 6,469,510 |   |  
            | 3/8/2012 | -0.80 / -4.97% | 15.40 | 16.00 | 15.30 | 15.30 | 15.30 | 2.07 | 9,423,050 |   |  			
            | 3/7/2012 | -0.40 / -2.42% | 16.30 | 16.50 | 15.80 | 16.10 | 16.10 | 2.17 | 9,630,560 |   |  
            | 3/6/2012 | +0.20 / +1.23% | 17.10 | 17.10 | 16.30 | 16.50 | 16.50 | 2.23 | 21,816,100 |   |  			
            | 3/5/2012 | +0.70 / +4.49% | 16.30 | 16.30 | 16.30 | 16.30 | 16.30 | 2.20 | 9,549,417 |   |  
            | 3/2/2012 | +0.70 / +4.70% | 15.20 | 15.60 | 15.10 | 15.60 | 15.60 | 2.11 | 14,086,080 |   |  			
            | 3/1/2012 | +0.60 / +4.20% | 14.40 | 15.00 | 14.20 | 14.90 | 14.90 | 2.01 | 11,644,670 |   |  
            | 2/29/2012 | +0.30 / +2.14% | 14.00 | 14.30 | 13.70 | 14.30 | 14.30 | 1.93 | 16,594,350 |   |  			
            | 2/28/2012 | -0.70 / -4.76% | 14.70 | 14.70 | 13.70 | 14.00 | 14.00 | 1.89 | 4,770,100 |   |  
            | 2/27/2012 | +0.50 / +3.52% | 14.20 | 14.80 | 14.10 | 14.70 | 14.70 | 1.94 | 5,071,310 |   |  			
            | 2/24/2012 | +0.30 / +2.16% | 14.10 | 14.50 | 14.00 | 14.20 | 14.20 | 1.88 | 7,576,700 |   |  
            | 2/23/2012 | +0.60 / +4.51% | 13.40 | 13.90 | 13.20 | 13.90 | 13.90 | 1.84 | 7,208,336 |   |  			
            | 2/22/2012 | +0.40 / +3.10% | 12.80 | 13.40 | 12.80 | 13.30 | 13.30 | 1.76 | 3,635,880 |   |  
            | 2/21/2012 | -0.30 / -2.27% | 13.40 | 13.40 | 12.90 | 12.90 | 12.90 | 1.71 | 2,805,190 |   |  			
            | 2/20/2012 | +0.50 / +3.94% | 12.90 | 13.30 | 12.80 | 13.20 | 13.20 | 1.75 | 2,941,850 |   |  
            | 2/17/2012 | +0.20 / +1.60% | 12.50 | 12.70 | 12.50 | 12.70 | 12.70 | 1.68 | 5,315,500 |   |  			
            | 2/16/2012 | +0.10 / +0.81% | 12.30 | 12.50 | 12.20 | 12.50 | 12.50 | 1.65 | 1,264,950 |   |  
            | 2/15/2012 | -0.30 / -2.36% | 12.70 | 12.70 | 12.20 | 12.40 | 12.40 | 1.64 | 1,089,850 |   |  			
            | 2/14/2012 | +0.40 / +3.25% | 12.30 | 12.70 | 12.20 | 12.70 | 12.70 | 1.68 | 1,310,730 |   |  
            | 2/13/2012 | -0.90 / -6.82% | 12.70 | 12.70 | 12.30 | 12.30 | 12.30 | 1.63 | 1,004,610 |   |  			
            | 2/10/2012 | -0.20 / -1.49% | 13.40 | 13.60 | 13.10 | 13.20 | 13.20 | 1.67 | 3,199,790 |   |  
            | 2/9/2012 | +0.30 / +2.29% | 13.10 | 13.70 | 13.10 | 13.40 | 13.40 | 1.69 | 5,113,510 |   |  			
            | 2/8/2012 | +0.50 / +3.97% | 12.70 | 13.10 | 12.60 | 13.10 | 13.10 | 1.66 | 2,496,360 |   |  
            | 2/7/2012 | +0.10 / +0.80% | 12.80 | 12.80 | 12.40 | 12.60 | 12.60 | 1.59 | 963,570 |   |  |  |