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                    Closing price on 4/9/2012
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        |           
                
                    | Open | 38.40 |  
                    | High | 38.50 |  
                    | Low | 37.70 |  
                    | Volume | 21,220 |  
                    | Split-adjusted Price | 14.60 |  
                
             | 
 |  CTD Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/9/2012 | +0.90 / +2.39% | 38.40 | 38.50 | 37.70 | 38.50 | 38.50 | 14.60 | 21,220 |   |  
            | 4/6/2012 | -0.30 / -0.79% | 39.00 | 39.00 | 37.60 | 37.60 | 37.60 | 14.26 | 14,310 |   |  			
            | 4/5/2012 | +0.40 / +1.07% | 37.60 | 37.90 | 37.60 | 37.90 | 37.90 | 14.37 | 11,000 |   |  
            | 4/4/2012 | -0.40 / -1.06% | 37.60 | 37.60 | 37.50 | 37.50 | 37.50 | 14.22 | 3,840 |   |  			
            | 4/3/2012 | +0.10 / +0.26% | 37.80 | 38.00 | 37.70 | 37.90 | 37.90 | 14.37 | 11,910 |   |  
            | 3/30/2012 | +0.20 / +0.53% | 37.60 | 38.00 | 37.50 | 37.80 | 37.80 | 14.34 | 29,450 |   |  			
            | 3/29/2012 | +0.10 / +0.27% | 37.50 | 38.50 | 37.50 | 37.60 | 37.60 | 14.26 | 19,470 |   |  
            | 3/28/2012 | -1.00 / -2.60% | 38.40 | 39.30 | 37.50 | 37.50 | 37.50 | 14.22 | 572,890 |   |  			
            | 3/27/2012 | +0.10 / +0.26% | 38.50 | 38.50 | 38.00 | 38.50 | 38.50 | 14.60 | 22,750 |   |  
            | 3/26/2012 | +0.40 / +1.05% | 37.50 | 38.50 | 37.50 | 38.40 | 38.40 | 14.56 | 73,990 |   |  			
            | 3/23/2012 | +0.60 / +1.60% | 38.50 | 38.50 | 36.90 | 38.00 | 38.00 | 14.41 | 21,290 |   |  
            | 3/22/2012 | +0.80 / +2.19% | 35.00 | 37.40 | 35.00 | 37.40 | 37.40 | 14.19 | 40,710 |   |  			
            | 3/21/2012 | -1.90 / -4.94% | 39.00 | 39.00 | 36.60 | 36.60 | 36.60 | 13.88 | 22,400 |   |  
            | 3/20/2012 | +0.70 / +1.85% | 39.40 | 39.40 | 38.00 | 38.50 | 38.50 | 14.60 | 42,110 |   |  			
            | 3/19/2012 | +1.80 / +5.00% | 37.80 | 37.80 | 36.00 | 37.80 | 37.80 | 14.34 | 64,860 |   |  
            | 3/16/2012 | +1.70 / +4.96% | 36.00 | 36.00 | 36.00 | 36.00 | 36.00 | 13.65 | 14,150 |   |  			
            | 3/15/2012 | +1.60 / +4.89% | 34.30 | 34.30 | 34.30 | 34.30 | 34.30 | 13.01 | 10,840 |   |  
            | 3/14/2012 | +1.50 / +4.81% | 32.50 | 32.70 | 32.40 | 32.70 | 32.70 | 12.40 | 37,300 |   |  			
            | 3/13/2012 | -0.20 / -0.64% | 31.40 | 31.40 | 31.20 | 31.20 | 31.20 | 11.83 | 9,390 |   |  
            | 3/12/2012 | -0.60 / -1.88% | 32.60 | 32.60 | 31.40 | 31.40 | 31.40 | 11.91 | 11,300 |   |  			
            | 3/9/2012 | -0.80 / -2.44% | 31.60 | 32.50 | 31.60 | 32.00 | 32.00 | 12.14 | 14,400 |   |  
            | 3/8/2012 | +1.40 / +4.46% | 31.50 | 32.80 | 31.50 | 32.80 | 32.80 | 12.44 | 2,670 |   |  			
            | 3/7/2012 | -0.20 / -0.63% | 31.10 | 32.50 | 31.10 | 31.40 | 31.40 | 11.91 | 4,600 |   |  
            | 3/6/2012 | -1.40 / -4.24% | 33.10 | 33.10 | 31.60 | 31.60 | 31.60 | 11.99 | 10,840 |   |  			
            | 3/5/2012 | +1.50 / +4.76% | 33.00 | 33.00 | 32.90 | 33.00 | 33.00 | 12.52 | 25,730 |   |  
            | 3/2/2012 | +0.70 / +2.27% | 32.00 | 32.00 | 30.70 | 31.50 | 31.50 | 11.95 | 160 |   |  			
            | 3/1/2012 | -0.70 / -2.22% | 32.10 | 32.10 | 30.80 | 30.80 | 30.80 | 11.68 | 10,500 |   |  
            | 2/29/2012 | +1.10 / +3.62% | 30.40 | 31.50 | 30.40 | 31.50 | 31.50 | 11.95 | 11,650 |   |  			
            | 2/28/2012 | -0.60 / -1.94% | 32.00 | 32.00 | 29.80 | 30.40 | 30.40 | 11.53 | 20,320 |   |  
            | 2/27/2012 | +0.80 / +2.65% | 31.00 | 31.00 | 30.20 | 31.00 | 31.00 | 11.76 | 9,220 |   |  |