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                    Closing price on 2/18/2011
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                    | Open | 10.40 |  
                    | High | 10.40 |  
                    | Low | 9.40 |  
                    | Volume | 44,400 |  
                    | Split-adjusted Price | 3.55 |  
                
             | 
 |  MAC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/18/2011 | -0.40 / -4.08% | 10.40 | 10.40 | 9.40 | 9.40 | 9.40 | 3.55 | 44,400 |   |  
            | 2/17/2011 | -0.50 / -4.85% | 10.30 | 10.30 | 9.70 | 9.80 | 9.80 | 3.70 | 108,600 |   |  			
            | 2/16/2011 | -0.20 / -1.90% | 10.60 | 10.60 | 10.20 | 10.30 | 10.30 | 3.89 | 38,600 |   |  
            | 2/15/2011 | +0.10 / +0.96% | 10.50 | 10.50 | 10.20 | 10.50 | 10.50 | 3.96 | 31,800 |   |  			
            | 2/14/2011 | -0.40 / -3.70% | 10.60 | 10.80 | 10.40 | 10.40 | 10.40 | 3.92 | 18,300 |   |  
            | 2/11/2011 | -0.20 / -1.82% | 10.90 | 11.00 | 10.50 | 10.80 | 10.80 | 4.08 | 46,300 |   |  			
            | 2/10/2011 | 0.00 / 0.00% | 11.40 | 11.40 | 10.80 | 11.00 | 11.00 | 4.15 | 18,700 |   |  
            | 2/9/2011 | +0.70 / +6.80% | 10.50 | 11.10 | 10.50 | 11.00 | 11.00 | 4.15 | 194,700 |   |  			
            | 2/8/2011 | 0.00 / 0.00% | 10.60 | 10.60 | 10.20 | 10.30 | 10.30 | 3.89 | 25,400 |   |  
            | 1/28/2011 | 0.00 / 0.00% | 10.70 | 10.70 | 10.00 | 10.30 | 10.30 | 3.89 | 43,300 |   |  			
            | 1/27/2011 | +0.30 / +3.00% | 10.00 | 10.50 | 10.00 | 10.30 | 10.30 | 3.89 | 42,900 |   |  
            | 1/26/2011 | 0.00 / 0.00% | 10.20 | 10.30 | 9.90 | 10.00 | 10.00 | 3.77 | 19,900 |   |  			
            | 1/25/2011 | -0.20 / -1.96% | 10.00 | 10.10 | 9.90 | 10.00 | 10.00 | 3.77 | 54,900 |   |  
            | 1/24/2011 | -0.40 / -3.77% | 11.00 | 11.30 | 10.20 | 10.20 | 10.20 | 3.85 | 44,400 |   |  			
            | 1/21/2011 | -0.10 / -0.93% | 11.20 | 11.20 | 10.60 | 10.60 | 10.60 | 4.00 | 36,300 |   |  
            | 1/20/2011 | -0.30 / -2.73% | 11.10 | 11.20 | 10.70 | 10.70 | 10.70 | 4.04 | 21,100 |   |  			
            | 1/19/2011 | +0.10 / +0.92% | 10.80 | 11.20 | 10.50 | 11.00 | 11.00 | 4.15 | 33,400 |   |  
            | 1/18/2011 | -0.10 / -0.91% | 11.50 | 11.50 | 10.80 | 10.90 | 10.90 | 4.11 | 40,000 |   |  			
            | 1/17/2011 | -0.10 / -0.90% | 11.20 | 11.50 | 10.70 | 11.00 | 11.00 | 4.15 | 58,100 |   |  
            | 1/14/2011 | 0.00 / 0.00% | 11.20 | 11.30 | 11.00 | 11.10 | 11.10 | 4.19 | 43,500 |   |  			
            | 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 |   |  |