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                    Closing price on 6/20/2011
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        |           
                
                    | Open | 4.80 |  
                    | High | 4.80 |  
                    | Low | 4.70 |  
                    | Volume | 90,600 |  
                    | Split-adjusted Price | 1.77 |  
                
             | 
 |  MAC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 6/16/2011 | -0.20 / -3.70% | 5.40 | 5.50 | 5.10 | 5.20 | 5.20 | 1.96 | 146,000 |   |  
            | 6/15/2011 | -0.30 / -5.26% | 5.50 | 5.70 | 5.40 | 5.40 | 5.40 | 2.04 | 80,300 |   |  			
            | 6/14/2011 | +0.20 / +3.64% | 5.80 | 5.80 | 5.30 | 5.70 | 5.70 | 2.15 | 194,300 |   |  
            | 6/13/2011 | +0.30 / +5.77% | 5.50 | 5.50 | 5.50 | 5.50 | 5.50 | 2.08 | 103,900 |   |  			
            | 6/10/2011 | +0.20 / +4.00% | 5.20 | 5.20 | 5.20 | 5.20 | 5.20 | 1.96 | 32,400 |   |  
            | 6/9/2011 | +0.40 / +8.70% | 4.80 | 5.00 | 4.40 | 5.00 | 5.00 | 1.89 | 159,800 |   |  			
            | 6/8/2011 | -0.40 / -8.00% | 4.90 | 5.00 | 4.60 | 4.60 | 4.60 | 1.74 | 34,300 |   |  
            | 6/7/2011 | +0.20 / +4.17% | 4.80 | 5.00 | 4.60 | 5.00 | 5.00 | 1.89 | 94,800 |   |  			
            | 6/6/2011 | -0.20 / -4.00% | 4.80 | 5.00 | 4.80 | 4.80 | 4.80 | 1.81 | 39,200 |   |  
            | 6/3/2011 | -0.10 / -1.96% | 5.30 | 5.40 | 4.90 | 5.00 | 5.00 | 1.89 | 47,600 |   |  			
            | 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 |   |  |