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                    Closing price on 1/13/2011
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        |           
                
                    | Open | 11.00 |  
                    | High | 11.30 |  
                    | Low | 10.80 |  
                    | Volume | 52,600 |  
                    | Split-adjusted Price | 4.19 |  
                
             | 
 |  MAC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/13/2011 | +0.30 / +2.78% | 11.00 | 11.30 | 10.80 | 11.10 | 11.10 | 4.19 | 52,600 |   |  
            | 1/12/2011 | +0.20 / +1.89% | 11.00 | 11.00 | 10.50 | 10.80 | 10.80 | 4.08 | 48,300 |   |  			
            | 1/11/2011 | -0.50 / -4.50% | 10.80 | 10.80 | 10.60 | 10.60 | 10.60 | 4.00 | 99,500 |   |  
            | 1/10/2011 | -0.60 / -5.13% | 12.10 | 12.10 | 11.10 | 11.10 | 11.10 | 4.19 | 95,800 |   |  			
            | 1/7/2011 | -0.40 / -3.31% | 12.00 | 12.40 | 11.60 | 11.70 | 11.70 | 4.41 | 37,500 |   |  
            | 1/6/2011 | +0.10 / +0.83% | 12.10 | 12.20 | 11.70 | 12.10 | 12.10 | 4.57 | 27,700 |   |  			
            | 1/5/2011 | -0.70 / -5.51% | 12.60 | 12.60 | 12.00 | 12.00 | 12.00 | 4.53 | 52,700 |   |  
            | 1/4/2011 | +0.60 / +4.96% | 12.60 | 12.70 | 12.30 | 12.70 | 12.70 | 4.79 | 142,700 |   |  			
            | 12/31/2010 | +0.10 / +0.83% | 11.80 | 12.10 | 11.70 | 12.10 | 12.10 | 4.57 | 54,100 |   |  
            | 12/30/2010 | +0.40 / +3.45% | 12.00 | 12.10 | 11.80 | 12.00 | 12.00 | 4.53 | 66,300 |   |  			
            | 12/29/2010 | -0.80 / -6.45% | 13.00 | 13.00 | 11.60 | 11.60 | 11.60 | 4.38 | 49,600 |   |  
            | 12/28/2010 | +0.90 / +7.83% | 11.70 | 12.40 | 11.70 | 12.40 | 12.40 | 4.68 | 132,100 |   |  			
            | 12/27/2010 | 0.00 / 0.00% | 11.90 | 11.90 | 11.50 | 11.50 | 11.50 | 4.34 | 25,600 |   |  
            | 12/24/2010 | 0.00 / 0.00% | 11.50 | 12.00 | 11.10 | 11.50 | 11.50 | 4.34 | 49,400 |   |  			
            | 12/23/2010 | -0.50 / -4.17% | 12.50 | 12.70 | 11.40 | 11.50 | 11.50 | 4.34 | 64,100 |   |  
            | 12/22/2010 | -0.30 / -2.44% | 12.80 | 12.90 | 11.80 | 12.00 | 12.00 | 4.53 | 73,400 |   |  			
            | 12/21/2010 | -0.10 / -0.81% | 12.40 | 12.80 | 12.00 | 12.30 | 12.30 | 4.64 | 90,900 |   |  
            | 12/20/2010 | -0.40 / -3.13% | 13.40 | 13.40 | 12.40 | 12.40 | 12.40 | 4.68 | 131,700 |   |  			
            | 12/17/2010 | +0.80 / +6.67% | 12.50 | 12.80 | 12.00 | 12.80 | 12.80 | 4.83 | 160,800 |   |  
            | 12/16/2010 | -0.80 / -6.25% | 12.20 | 12.30 | 12.00 | 12.00 | 12.00 | 4.53 | 193,900 |   |  			
            | 12/15/2010 | -0.50 / -3.76% | 12.80 | 13.70 | 12.80 | 12.80 | 12.80 | 4.83 | 163,500 |   |  
            | 12/14/2010 | -1.00 / -6.99% | 14.70 | 14.70 | 13.30 | 13.30 | 13.30 | 5.02 | 205,400 |   |  			
            | 12/13/2010 | +0.90 / +6.72% | 14.30 | 14.30 | 14.00 | 14.30 | 14.30 | 5.40 | 358,000 |   |  
            | 12/10/2010 | +0.30 / +2.29% | 12.00 | 13.40 | 12.00 | 13.40 | 13.40 | 5.06 | 210,700 |   |  			
            | 12/9/2010 | +0.10 / +0.77% | 12.30 | 14.00 | 12.30 | 13.10 | 13.10 | 4.94 | 358,100 |   |  
            | 12/8/2010 | -0.90 / -6.47% | 13.90 | 13.90 | 13.00 | 13.00 | 13.00 | 4.91 | 260,800 |   |  			
            | 12/7/2010 | +0.80 / +6.11% | 14.00 | 14.00 | 13.10 | 13.90 | 13.90 | 5.24 | 420,800 |   |  
            | 12/6/2010 | +0.80 / +6.50% | 13.10 | 13.10 | 13.10 | 13.10 | 13.10 | 4.94 | 107,100 |   |  			
            | 12/3/2010 | +0.70 / +6.03% | 12.30 | 12.30 | 12.30 | 12.30 | 12.30 | 4.64 | 12,700 |   |  
            | 12/2/2010 | +0.70 / +6.42% | 11.00 | 11.60 | 10.90 | 11.60 | 11.60 | 4.38 | 312,600 |   |  |