| 
    
        
            | 
                    Closing price on 5/24/2013
                 |  |  
    
        |           
                
                    | Open | 37.90 |  
                    | High | 37.90 |  
                    | Low | 37.20 |  
                    | Volume | 5,800 |  
                    | Split-adjusted Price | 5.96 |  
                
             | 
 |  QTC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/24/2013 | -1.30 / -3.38% | 37.90 | 37.90 | 37.20 | 37.20 | 37.20 | 5.96 | 5,800 |   |  
            | 5/23/2013 | -0.40 / -1.03% | 38.40 | 38.90 | 37.50 | 38.50 | 38.50 | 6.17 | 4,800 |   |  			
            | 5/22/2013 | -0.10 / -0.26% | 40.00 | 40.00 | 38.10 | 38.90 | 38.90 | 6.23 | 1,400 |   |  
            | 5/21/2013 | 0.00 / 0.00% | 38.50 | 39.00 | 38.10 | 39.00 | 39.00 | 6.25 | 1,900 |   |  			
            | 5/20/2013 | -0.50 / -1.27% | 38.90 | 39.00 | 38.90 | 39.00 | 39.00 | 6.25 | 3,700 |   |  
            | 5/17/2013 | -4.50 / -10.23% | 39.50 | 39.50 | 38.90 | 39.50 | 39.50 | 6.33 | 1,600 |   |  			
            | 5/16/2013 | -0.10 / -0.23% | 44.20 | 44.20 | 43.80 | 44.00 | 44.00 | 6.25 | 13,000 |   |  
            | 5/15/2013 | -0.20 / -0.45% | 44.00 | 44.10 | 43.50 | 44.10 | 44.10 | 6.26 | 10,500 |   |  			
            | 5/14/2013 | -0.30 / -0.67% | 44.40 | 44.40 | 44.00 | 44.30 | 44.30 | 6.29 | 11,500 |   |  
            | 5/13/2013 | -0.20 / -0.45% | 45.00 | 45.20 | 44.30 | 44.60 | 44.60 | 6.33 | 6,900 |   |  			
            | 5/10/2013 | -0.20 / -0.44% | 45.00 | 45.00 | 44.30 | 44.80 | 44.80 | 6.36 | 3,300 |   |  
            | 5/9/2013 | +0.90 / +2.04% | 43.80 | 45.00 | 43.80 | 45.00 | 45.00 | 6.39 | 20,100 |   |  			
            | 5/8/2013 | +0.10 / +0.23% | 44.00 | 44.10 | 43.80 | 44.10 | 44.10 | 6.26 | 11,300 |   |  
            | 5/7/2013 | +0.30 / +0.69% | 43.90 | 44.00 | 43.70 | 44.00 | 44.00 | 6.25 | 14,000 |   |  			
            | 5/6/2013 | -0.80 / -1.80% | 44.00 | 44.30 | 43.50 | 43.70 | 43.70 | 6.20 | 12,600 |   |  
            | 5/3/2013 | +0.10 / +0.23% | 44.80 | 44.80 | 42.70 | 44.50 | 44.50 | 6.32 | 14,900 |   |  			
            | 5/2/2013 | -0.40 / -0.89% | 44.80 | 45.50 | 43.00 | 44.40 | 44.40 | 6.30 | 21,300 |   |  
            | 4/26/2013 | +0.40 / +0.90% | 44.80 | 44.80 | 44.80 | 44.80 | 44.80 | 6.36 | 100 |   |  			
            | 4/25/2013 | -0.10 / -0.22% | 45.00 | 45.00 | 44.00 | 44.40 | 44.40 | 6.30 | 2,400 |   |  
            | 4/24/2013 | +0.50 / +1.14% | 44.50 | 44.50 | 44.00 | 44.50 | 44.50 | 6.32 | 1,800 |   |  			
            | 4/23/2013 | +0.50 / +1.15% | 43.10 | 44.00 | 43.00 | 44.00 | 44.00 | 6.25 | 4,900 |   |  
            | 4/22/2013 | 0.00 / 0.00% | 42.50 | 43.50 | 42.50 | 43.50 | 43.50 | 6.18 | 2,700 |   |  			
            | 4/18/2013 | 0.00 / 0.00% | 43.60 | 44.00 | 43.00 | 43.50 | 43.50 | 6.18 | 4,800 |   |  
            | 4/17/2013 | -0.70 / -1.58% | 44.00 | 44.00 | 43.00 | 43.50 | 43.50 | 6.18 | 1,100 |   |  			
            | 4/16/2013 | +1.90 / +4.49% | 42.10 | 46.50 | 40.00 | 44.20 | 44.20 | 6.28 | 10,900 |   |  
            | 4/15/2013 | -0.70 / -1.63% | 42.20 | 42.60 | 42.10 | 42.30 | 42.30 | 6.01 | 5,000 |   |  			
            | 4/12/2013 | -1.20 / -2.71% | 43.80 | 44.50 | 40.00 | 43.00 | 43.00 | 6.11 | 16,500 |   |  
            | 4/11/2013 | +0.40 / +0.91% | 44.00 | 44.90 | 43.50 | 44.20 | 44.20 | 6.28 | 10,200 |   |  			
            | 4/10/2013 | -1.70 / -3.74% | 45.00 | 45.00 | 43.80 | 43.80 | 43.80 | 6.22 | 10,300 |   |  
            | 4/9/2013 | +2.50 / +5.81% | 43.80 | 45.50 | 43.80 | 45.50 | 45.50 | 6.46 | 8,000 |   |  |