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                    Closing price on 6/2/2011
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                    | Open | 5.20 |  
                    | High | 5.20 |  
                    | Low | 5.00 |  
                    | Volume | 57,600 |  
                    | Split-adjusted Price | 1.92 |  
                
             | 
 |  MAC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/2/2011 | +0.20 / +4.08% | 5.20 | 5.20 | 5.00 | 5.10 | 5.10 | 1.92 | 57,600 |   |  
            | 6/1/2011 | +0.20 / +4.26% | 4.70 | 5.00 | 4.70 | 4.90 | 4.90 | 1.85 | 31,800 |   |  			
            | 5/31/2011 | +0.10 / +2.17% | 4.70 | 4.70 | 4.50 | 4.70 | 4.70 | 1.77 | 13,600 |   |  
            | 5/30/2011 | -0.10 / -2.13% | 4.70 | 4.80 | 4.60 | 4.60 | 4.60 | 1.74 | 35,100 |   |  			
            | 5/27/2011 | 0.00 / 0.00% | 4.70 | 4.70 | 4.50 | 4.70 | 4.70 | 1.77 | 43,600 |   |  
            | 5/26/2011 | +0.10 / +2.17% | 4.30 | 4.90 | 4.30 | 4.70 | 4.70 | 1.77 | 141,100 |   |  			
            | 5/25/2011 | -0.30 / -6.12% | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 1.74 | 39,500 |   |  
            | 5/24/2011 | -0.30 / -5.77% | 5.00 | 5.00 | 4.90 | 4.90 | 4.90 | 1.85 | 24,800 |   |  			
            | 5/23/2011 | -0.30 / -5.45% | 5.30 | 5.30 | 5.20 | 5.20 | 5.20 | 1.96 | 36,600 |   |  
            | 5/20/2011 | -0.10 / -1.79% | 5.60 | 5.60 | 5.40 | 5.50 | 5.50 | 2.08 | 59,200 |   |  			
            | 5/19/2011 | 0.00 / 0.00% | 5.70 | 5.70 | 5.60 | 5.60 | 5.60 | 2.11 | 13,400 |   |  
            | 5/18/2011 | -0.20 / -3.45% | 5.70 | 5.80 | 5.50 | 5.60 | 5.60 | 2.11 | 28,400 |   |  			
            | 5/17/2011 | -0.20 / -3.33% | 6.10 | 6.10 | 5.80 | 5.80 | 5.80 | 2.19 | 28,100 |   |  
            | 5/16/2011 | +0.10 / +1.69% | 6.00 | 6.30 | 5.80 | 6.00 | 6.00 | 2.26 | 56,500 |   |  			
            | 5/13/2011 | 0.00 / 0.00% | 5.80 | 6.00 | 5.80 | 5.90 | 5.90 | 2.23 | 12,200 |   |  
            | 5/12/2011 | -0.20 / -3.28% | 5.90 | 6.10 | 5.90 | 5.90 | 5.90 | 2.23 | 26,200 |   |  			
            | 5/11/2011 | +0.20 / +3.39% | 6.10 | 6.10 | 6.00 | 6.10 | 6.10 | 2.30 | 8,600 |   |  
            | 5/10/2011 | -0.10 / -1.67% | 6.10 | 6.20 | 5.90 | 5.90 | 5.90 | 2.23 | 59,200 |   |  			
            | 5/9/2011 | 0.00 / 0.00% | 6.20 | 6.20 | 5.90 | 6.00 | 6.00 | 2.26 | 27,600 |   |  
            | 5/6/2011 | +0.30 / +5.26% | 5.80 | 6.10 | 5.60 | 6.00 | 6.00 | 2.26 | 48,800 |   |  			
            | 5/5/2011 | -0.40 / -6.56% | 6.00 | 6.00 | 5.70 | 5.70 | 5.70 | 2.15 | 67,500 |   |  
            | 5/4/2011 | 0.00 / 0.00% | 6.20 | 6.20 | 6.00 | 6.10 | 6.10 | 2.30 | 26,600 |   |  			
            | 4/29/2011 | -0.20 / -3.17% | 6.30 | 6.30 | 6.10 | 6.10 | 6.10 | 2.30 | 66,600 |   |  
            | 4/28/2011 | -0.10 / -1.56% | 6.30 | 6.30 | 6.20 | 6.30 | 6.30 | 2.38 | 7,200 |   |  			
            | 4/27/2011 | -0.10 / -1.54% | 6.50 | 6.50 | 6.20 | 6.40 | 6.40 | 2.41 | 33,000 |   |  
            | 4/26/2011 | -0.10 / -1.52% | 7.00 | 7.00 | 6.30 | 6.50 | 6.50 | 2.45 | 55,500 |   |  			
            | 4/25/2011 | +0.20 / +3.13% | 6.50 | 6.60 | 6.50 | 6.60 | 6.60 | 2.49 | 56,400 |   |  
            | 4/22/2011 | 0.00 / 0.00% | 6.00 | 6.50 | 6.00 | 6.40 | 6.40 | 2.41 | 65,000 |   |  			
            | 4/21/2011 | -0.40 / -5.88% | 6.50 | 6.50 | 6.40 | 6.40 | 6.40 | 2.41 | 134,800 |   |  
            | 4/20/2011 | -0.50 / -6.85% | 7.00 | 7.00 | 6.80 | 6.80 | 6.80 | 2.57 | 179,900 |   |  |