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                    Closing price on 10/4/2010
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        |           
                
                    | Open | 14.10 |  
                    | High | 14.10 |  
                    | Low | 13.30 |  
                    | Volume | 32,300 |  
                    | Split-adjusted Price | 5.02 |  
                
             | 
 |  MAC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/4/2010 | -0.90 / -6.34% | 14.10 | 14.10 | 13.30 | 13.30 | 13.30 | 5.02 | 32,300 |   |  
            | 10/1/2010 | -0.30 / -2.07% | 14.10 | 14.30 | 14.10 | 14.20 | 14.20 | 5.36 | 17,700 |   |  			
            | 9/30/2010 | -0.10 / -0.68% | 14.00 | 14.70 | 14.00 | 14.50 | 14.50 | 5.47 | 24,200 |   |  
            | 9/29/2010 | -0.50 / -3.31% | 15.00 | 15.30 | 14.50 | 14.60 | 14.60 | 5.51 | 10,900 |   |  			
            | 9/28/2010 | -0.20 / -1.31% | 15.50 | 15.90 | 15.00 | 15.10 | 15.10 | 5.70 | 18,300 |   |  
            | 9/27/2010 | 0.00 / 0.00% | 15.50 | 15.50 | 15.00 | 15.30 | 15.30 | 5.77 | 10,000 |   |  			
            | 9/24/2010 | +0.20 / +1.32% | 15.80 | 15.80 | 15.00 | 15.30 | 15.30 | 5.77 | 14,800 |   |  
            | 9/23/2010 | -0.80 / -5.03% | 15.50 | 15.50 | 14.90 | 15.10 | 15.10 | 5.70 | 33,600 |   |  			
            | 9/22/2010 | -0.10 / -0.63% | 15.10 | 15.90 | 15.10 | 15.90 | 15.90 | 6.00 | 13,900 |   |  
            | 9/21/2010 | -0.30 / -1.84% | 16.50 | 16.50 | 16.00 | 16.00 | 16.00 | 6.04 | 31,100 |   |  			
            | 9/20/2010 | +0.30 / +1.88% | 17.10 | 17.10 | 16.00 | 16.30 | 16.30 | 6.15 | 68,800 |   |  
            | 9/17/2010 | +0.50 / +3.23% | 15.80 | 16.00 | 15.80 | 16.00 | 16.00 | 6.04 | 55,400 |   |  			
            | 9/16/2010 | +0.10 / +0.65% | 15.10 | 15.60 | 14.70 | 15.50 | 15.50 | 5.85 | 79,700 |   |  
            | 9/15/2010 | -0.60 / -3.75% | 15.90 | 16.00 | 15.40 | 15.40 | 15.40 | 5.81 | 27,400 |   |  			
            | 9/14/2010 | -0.10 / -0.62% | 15.80 | 16.50 | 15.80 | 16.00 | 16.00 | 6.04 | 45,300 |   |  
            | 9/13/2010 | -1.10 / -6.40% | 16.40 | 17.00 | 16.10 | 16.10 | 16.10 | 6.07 | 105,500 |   |  			
            | 9/10/2010 | +0.60 / +3.61% | 17.50 | 17.50 | 16.00 | 17.20 | 17.20 | 6.49 | 260,000 |   |  
            | 9/9/2010 | +1.10 / +7.10% | 16.30 | 16.60 | 15.80 | 16.60 | 16.60 | 6.26 | 81,800 |   |  			
            | 9/8/2010 | -0.90 / -5.49% | 17.00 | 17.40 | 15.30 | 15.50 | 15.50 | 5.85 | 88,200 |   |  
            | 9/7/2010 | +1.00 / +6.49% | 16.40 | 16.40 | 15.50 | 16.40 | 16.40 | 6.19 | 180,000 |   |  			
            | 9/6/2010 | +1.00 / +6.94% | 15.40 | 15.40 | 15.40 | 15.40 | 15.40 | 5.81 | 7,300 |   |  
            | 9/1/2010 | +0.80 / +5.88% | 14.30 | 14.40 | 14.30 | 14.40 | 14.40 | 5.43 | 35,100 |   |  			
            | 8/31/2010 | +0.80 / +6.25% | 13.50 | 13.60 | 13.00 | 13.60 | 13.60 | 5.13 | 82,500 |   |  
            | 8/30/2010 | +1.00 / +8.47% | 12.80 | 12.80 | 12.80 | 12.80 | 12.80 | 4.83 | 2,800 |   |  			
            | 8/27/2010 | -0.40 / -3.28% | 12.10 | 12.40 | 11.70 | 11.80 | 11.80 | 4.45 | 50,400 |   |  
            | 8/26/2010 | -0.90 / -6.87% | 13.80 | 13.80 | 12.20 | 12.20 | 12.20 | 4.60 | 32,600 |   |  			
            | 8/25/2010 | -0.80 / -5.76% | 13.20 | 13.20 | 13.10 | 13.10 | 13.10 | 4.94 | 21,100 |   |  
            | 8/24/2010 | -1.30 / -8.55% | 14.90 | 14.90 | 13.90 | 13.90 | 13.90 | 5.24 | 42,700 |   |  			
            | 8/23/2010 | -0.20 / -1.30% | 15.50 | 15.50 | 14.80 | 15.20 | 15.20 | 5.74 | 14,000 |   |  
            | 8/20/2010 | -0.60 / -3.75% | 16.30 | 16.30 | 14.90 | 15.40 | 15.40 | 5.81 | 27,700 |   |  |