| 
    
        
            | 
                    Closing price on 3/22/2011
                 |  |  
    
        |           
                
                    | Open | 9.10 |  
                    | High | 9.30 |  
                    | Low | 8.80 |  
                    | Volume | 299,000 |  
                    | Split-adjusted Price | 3.51 |  
                
             | 
 |  MAC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/22/2011 | +0.60 / +6.90% | 9.10 | 9.30 | 8.80 | 9.30 | 9.30 | 3.51 | 299,000 |   |  
            | 3/21/2011 | +0.40 / +4.82% | 8.70 | 8.70 | 8.60 | 8.70 | 8.70 | 3.28 | 129,400 |   |  			
            | 3/18/2011 | +0.50 / +6.41% | 7.90 | 8.30 | 7.70 | 8.30 | 8.30 | 3.13 | 181,700 |   |  
            | 3/17/2011 | 0.00 / 0.00% | 8.00 | 8.10 | 7.70 | 7.80 | 7.80 | 2.94 | 27,600 |   |  			
            | 3/16/2011 | 0.00 / 0.00% | 7.80 | 8.00 | 7.70 | 7.80 | 7.80 | 2.94 | 40,700 |   |  
            | 3/15/2011 | -0.20 / -2.50% | 7.70 | 8.10 | 7.70 | 7.80 | 7.80 | 2.94 | 33,200 |   |  			
            | 3/14/2011 | -0.50 / -5.88% | 8.50 | 8.50 | 8.00 | 8.00 | 8.00 | 3.02 | 57,900 |   |  
            | 3/11/2011 | +0.50 / +6.25% | 8.40 | 8.50 | 8.40 | 8.50 | 8.50 | 3.21 | 37,700 |   |  			
            | 3/10/2011 | +0.50 / +6.67% | 7.50 | 8.00 | 7.50 | 8.00 | 8.00 | 3.02 | 69,700 |   |  
            | 3/9/2011 | -0.20 / -2.60% | 7.50 | 7.70 | 7.40 | 7.50 | 7.50 | 2.83 | 22,100 |   |  			
            | 3/8/2011 | -0.10 / -1.28% | 8.00 | 8.20 | 7.70 | 7.70 | 7.70 | 2.91 | 25,500 |   |  
            | 3/7/2011 | +0.30 / +4.00% | 7.70 | 7.80 | 7.70 | 7.80 | 7.80 | 2.94 | 33,400 |   |  			
            | 3/4/2011 | -0.10 / -1.32% | 7.40 | 7.70 | 7.20 | 7.50 | 7.50 | 2.83 | 21,600 |   |  
            | 3/3/2011 | -0.30 / -3.80% | 7.60 | 7.90 | 7.50 | 7.60 | 7.60 | 2.87 | 68,600 |   |  			
            | 3/2/2011 | -0.50 / -5.95% | 8.40 | 8.40 | 7.90 | 7.90 | 7.90 | 2.98 | 79,000 |   |  
            | 3/1/2011 | -0.20 / -2.33% | 8.50 | 8.60 | 8.30 | 8.40 | 8.40 | 3.17 | 15,100 |   |  			
            | 2/28/2011 | -0.50 / -5.49% | 9.10 | 9.10 | 8.50 | 8.60 | 8.60 | 3.24 | 50,700 |   |  
            | 2/25/2011 | +0.60 / +7.06% | 8.70 | 9.10 | 8.70 | 9.10 | 9.10 | 3.43 | 54,800 |   |  			
            | 2/24/2011 | -0.50 / -5.56% | 9.10 | 9.10 | 8.40 | 8.50 | 8.50 | 3.21 | 76,700 |   |  
            | 2/23/2011 | +0.30 / +3.45% | 8.90 | 9.00 | 8.50 | 9.00 | 9.00 | 3.40 | 108,100 |   |  			
            | 2/22/2011 | -0.30 / -3.33% | 9.00 | 9.00 | 8.40 | 8.70 | 8.70 | 3.28 | 102,900 |   |  
            | 2/21/2011 | -0.40 / -4.26% | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 3.40 | 77,100 |   |  			
            | 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 |   |  |