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                    Closing price on 4/14/2011
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        |           
                
                    | Open | 8.00 |  
                    | High | 8.30 |  
                    | Low | 8.00 |  
                    | Volume | 26,700 |  
                    | Split-adjusted Price | 3.06 |  
                
             | 
 |  MAC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/14/2011 | -0.10 / -1.22% | 8.00 | 8.30 | 8.00 | 8.10 | 8.10 | 3.06 | 26,700 |   |  
            | 4/13/2011 | +0.10 / +1.23% | 8.60 | 8.60 | 8.20 | 8.20 | 8.20 | 3.09 | 12,100 |   |  			
            | 4/8/2011 | -0.20 / -2.41% | 8.50 | 8.50 | 8.10 | 8.10 | 8.10 | 3.06 | 20,000 |   |  
            | 4/7/2011 | -0.20 / -2.35% | 8.70 | 8.70 | 8.20 | 8.30 | 8.30 | 3.13 | 23,600 |   |  			
            | 4/6/2011 | +0.30 / +3.66% | 8.00 | 8.50 | 8.00 | 8.50 | 8.50 | 3.21 | 51,900 |   |  
            | 4/5/2011 | -0.10 / -1.20% | 8.20 | 8.20 | 7.90 | 8.20 | 8.20 | 3.09 | 33,500 |   |  			
            | 4/4/2011 | -0.10 / -1.19% | 8.40 | 8.40 | 8.10 | 8.30 | 8.30 | 3.13 | 32,800 |   |  
            | 4/1/2011 | 0.00 / 0.00% | 8.30 | 8.50 | 8.20 | 8.40 | 8.40 | 3.17 | 56,700 |   |  			
            | 3/31/2011 | 0.00 / 0.00% | 8.70 | 8.70 | 8.30 | 8.40 | 8.40 | 3.17 | 36,000 |   |  
            | 3/30/2011 | -0.40 / -4.55% | 8.50 | 8.50 | 8.00 | 8.40 | 8.40 | 3.17 | 78,400 |   |  			
            | 3/29/2011 | -0.20 / -2.22% | 9.00 | 9.30 | 8.50 | 8.80 | 8.80 | 3.32 | 56,000 |   |  
            | 3/28/2011 | -0.30 / -3.23% | 9.50 | 9.60 | 8.90 | 9.00 | 9.00 | 3.40 | 148,800 |   |  			
            | 3/25/2011 | -0.50 / -5.10% | 10.30 | 10.30 | 9.30 | 9.30 | 9.30 | 3.51 | 119,400 |   |  
            | 3/24/2011 | +0.40 / +4.26% | 9.70 | 9.80 | 9.70 | 9.80 | 9.80 | 3.70 | 144,900 |   |  			
            | 3/23/2011 | +0.10 / +1.08% | 9.50 | 9.50 | 8.90 | 9.40 | 9.40 | 3.55 | 129,000 |   |  
            | 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 |   |  |