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                    Closing price on 7/28/2011
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                    | Open | 3.80 |  
                    | High | 3.80 |  
                    | Low | 3.60 |  
                    | Volume | 40,300 |  
                    | Split-adjusted Price | 1.40 |  
                
             | 
 |  MAC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/28/2011 | -0.10 / -2.63% | 3.80 | 3.80 | 3.60 | 3.70 | 3.70 | 1.40 | 40,300 |   |  
            | 7/27/2011 | 0.00 / 0.00% | 3.80 | 3.80 | 3.70 | 3.80 | 3.80 | 1.43 | 8,500 |   |  			
            | 7/26/2011 | -0.10 / -2.56% | 4.00 | 4.00 | 3.80 | 3.80 | 3.80 | 1.43 | 15,300 |   |  
            | 7/25/2011 | -0.10 / -2.50% | 3.90 | 4.00 | 3.90 | 3.90 | 3.90 | 1.47 | 20,900 |   |  			
            | 7/22/2011 | -0.20 / -4.76% | 3.90 | 4.00 | 3.90 | 4.00 | 4.00 | 1.51 | 36,900 |   |  
            | 7/21/2011 | -0.10 / -2.33% | 4.10 | 4.20 | 4.00 | 4.20 | 4.20 | 1.58 | 38,300 |   |  			
            | 7/20/2011 | +0.30 / +7.50% | 4.10 | 4.30 | 4.00 | 4.30 | 4.30 | 1.62 | 14,300 |   |  
            | 7/19/2011 | -0.10 / -2.44% | 4.30 | 4.30 | 4.00 | 4.00 | 4.00 | 1.51 | 12,100 |   |  			
            | 7/18/2011 | -0.10 / -2.38% | 4.20 | 4.20 | 4.00 | 4.10 | 4.10 | 1.55 | 16,100 |   |  
            | 7/15/2011 | -0.10 / -2.33% | 4.30 | 4.30 | 4.10 | 4.20 | 4.20 | 1.58 | 36,200 |   |  			
            | 7/14/2011 | -0.10 / -2.27% | 4.30 | 4.40 | 4.20 | 4.30 | 4.30 | 1.62 | 11,700 |   |  
            | 7/13/2011 | -0.10 / -2.22% | 4.30 | 4.60 | 4.30 | 4.40 | 4.40 | 1.66 | 6,500 |   |  			
            | 7/12/2011 | +0.10 / +2.27% | 4.40 | 4.50 | 4.20 | 4.50 | 4.50 | 1.70 | 20,600 |   |  
            | 7/11/2011 | +0.20 / +4.76% | 4.60 | 4.60 | 4.40 | 4.40 | 4.40 | 1.66 | 3,100 |   |  			
            | 7/8/2011 | -0.30 / -6.67% | 4.40 | 4.50 | 4.20 | 4.20 | 4.20 | 1.58 | 51,700 |   |  
            | 7/7/2011 | -0.20 / -4.26% | 4.50 | 4.70 | 4.50 | 4.50 | 4.50 | 1.70 | 2,200 |   |  			
            | 7/6/2011 | -0.10 / -2.08% | 5.00 | 5.00 | 4.60 | 4.70 | 4.70 | 1.77 | 14,300 |   |  
            | 7/5/2011 | +0.20 / +4.35% | 4.70 | 4.80 | 4.70 | 4.80 | 4.80 | 1.81 | 88,200 |   |  			
            | 7/4/2011 | +0.30 / +6.98% | 4.20 | 4.60 | 4.10 | 4.60 | 4.60 | 1.74 | 6,600 |   |  
            | 7/1/2011 | -0.40 / -8.51% | 4.50 | 4.60 | 4.30 | 4.30 | 4.30 | 1.62 | 37,500 |   |  			
            | 6/30/2011 | +0.10 / +2.17% | 4.90 | 4.90 | 4.60 | 4.70 | 4.70 | 1.77 | 71,000 |   |  
            | 6/29/2011 | 0.00 / 0.00% | 4.80 | 5.10 | 4.60 | 4.60 | 4.60 | 1.74 | 29,000 |   |  			
            | 6/28/2011 | 0.00 / 0.00% | 4.80 | 4.90 | 4.60 | 4.60 | 4.60 | 1.74 | 20,000 |   |  
            | 6/27/2011 | -0.20 / -4.17% | 4.90 | 4.90 | 4.60 | 4.60 | 4.60 | 1.74 | 18,500 |   |  			
            | 6/24/2011 | +0.20 / +4.35% | 4.70 | 4.80 | 4.60 | 4.80 | 4.80 | 1.81 | 18,100 |   |  
            | 6/23/2011 | -0.20 / -4.17% | 4.70 | 4.80 | 4.60 | 4.60 | 4.60 | 1.74 | 20,400 |   |  			
            | 6/22/2011 | -0.20 / -4.00% | 5.00 | 5.00 | 4.60 | 4.80 | 4.80 | 1.81 | 54,100 |   |  
            | 6/21/2011 | +0.30 / +6.38% | 4.70 | 5.00 | 4.60 | 5.00 | 5.00 | 1.89 | 43,100 |   |  			
            | 6/20/2011 | -0.30 / -6.00% | 4.80 | 4.80 | 4.70 | 4.70 | 4.70 | 1.77 | 90,600 |   |  
            | 6/17/2011 | -0.20 / -3.85% | 5.10 | 5.20 | 5.00 | 5.00 | 5.00 | 1.89 | 57,700 |   |  |