| 
	
		| 
			
				|  |  
				| 
					
						| 
    
        
            | 
                    Closing price on 8/6/2010
                 |  |  
    
        |           
                
                    | Open | 39.20 |  
                    | High | 39.70 |  
                    | Low | 38.80 |  
                    | Volume | 696,160 |  
                    | Split-adjusted Price | 39.10 |  
                
             | 
 |  OGC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/6/2010 | -0.90 / -2.25% | 39.20 | 39.70 | 38.80 | 39.10 | 39.10 | 39.10 | 696,160 |   |  
            | 8/5/2010 | -0.90 / -2.20% | 41.00 | 41.40 | 39.60 | 40.00 | 40.00 | 40.00 | 305,710 |   |  			
            | 8/4/2010 | -0.70 / -1.68% | 41.30 | 41.60 | 40.00 | 40.90 | 40.90 | 40.90 | 226,400 |   |  
            | 8/3/2010 | +0.20 / +0.48% | 42.30 | 42.30 | 41.40 | 41.60 | 41.60 | 41.60 | 647,030 |   |  			
            | 8/2/2010 | +0.10 / +0.24% | 42.20 | 42.40 | 41.30 | 41.40 | 41.40 | 41.40 | 525,090 |   |  
            | 7/30/2010 | -2.00 / -4.62% | 43.30 | 43.80 | 41.20 | 41.30 | 41.30 | 41.30 | 1,110,270 |   |  			
            | 7/29/2010 | -0.70 / -1.59% | 43.00 | 44.00 | 43.00 | 43.30 | 43.30 | 43.30 | 653,550 |   |  
            | 7/28/2010 | -1.40 / -3.08% | 44.20 | 45.40 | 43.20 | 44.00 | 44.00 | 44.00 | 638,960 |   |  			
            | 7/27/2010 | -0.40 / -0.87% | 45.90 | 45.90 | 43.80 | 45.40 | 45.40 | 45.40 | 853,490 |   |  
            | 7/26/2010 | +0.70 / +1.55% | 45.00 | 46.30 | 44.90 | 45.80 | 45.80 | 45.80 | 2,051,570 |   |  			
            | 7/23/2010 | +1.50 / +3.44% | 44.00 | 45.10 | 43.10 | 45.10 | 45.10 | 45.10 | 1,677,480 |   |  
            | 7/22/2010 | 0.00 / 0.00% | 42.50 | 43.70 | 41.60 | 43.60 | 43.60 | 43.60 | 2,120,340 |   |  			
            | 7/21/2010 | -2.20 / -4.80% | 45.80 | 45.80 | 43.60 | 43.60 | 43.60 | 43.60 | 1,185,840 |   |  
            | 7/20/2010 | +1.60 / +3.62% | 44.20 | 46.00 | 44.20 | 45.80 | 45.80 | 45.80 | 2,259,580 |   |  			
            | 7/19/2010 | +2.10 / +4.99% | 42.00 | 44.20 | 41.50 | 44.20 | 44.20 | 44.20 | 1,949,090 |   |  
            | 7/16/2010 | +2.00 / +4.99% | 40.00 | 42.10 | 39.80 | 42.10 | 42.10 | 42.10 | 1,961,220 |   |  			
            | 7/15/2010 | +0.10 / +0.25% | 39.90 | 40.30 | 39.80 | 40.10 | 40.10 | 40.10 | 1,693,040 |   |  
            | 7/14/2010 | +0.70 / +1.78% | 39.50 | 40.00 | 39.30 | 40.00 | 40.00 | 40.00 | 2,082,560 |   |  			
            | 7/13/2010 | +0.90 / +2.34% | 39.00 | 39.50 | 38.50 | 39.30 | 39.30 | 39.30 | 839,490 |   |  
            | 7/12/2010 | +0.20 / +0.52% | 38.20 | 38.50 | 37.70 | 38.40 | 38.40 | 38.40 | 257,980 |   |  			
            | 7/9/2010 | -0.50 / -1.29% | 38.60 | 38.80 | 38.20 | 38.20 | 38.20 | 38.20 | 721,340 |   |  
            | 7/8/2010 | -0.90 / -2.27% | 39.10 | 39.70 | 38.70 | 38.70 | 38.70 | 38.70 | 725,920 |   |  			
            | 7/7/2010 | -0.20 / -0.50% | 39.50 | 39.80 | 38.80 | 39.60 | 39.60 | 39.60 | 894,550 |   |  
            | 7/6/2010 | -0.20 / -0.50% | 39.90 | 39.90 | 38.70 | 39.80 | 39.80 | 39.80 | 1,678,850 |   |  			
            | 7/5/2010 | +0.80 / +2.04% | 40.00 | 40.10 | 38.70 | 40.00 | 40.00 | 40.00 | 1,415,350 |   |  
            | 7/2/2010 | +1.20 / +3.16% | 38.50 | 39.20 | 37.70 | 39.20 | 39.20 | 39.20 | 1,722,090 |   |  			
            | 7/1/2010 | 0.00 / 0.00% | 37.50 | 38.10 | 37.50 | 38.00 | 38.00 | 38.00 | 795,400 |   |  
            | 6/30/2010 | -0.70 / -1.81% | 38.70 | 38.70 | 37.50 | 38.00 | 38.00 | 38.00 | 1,072,350 |   |  			
            | 6/29/2010 | +0.10 / +0.26% | 39.30 | 39.30 | 38.20 | 38.70 | 38.70 | 38.70 | 1,049,010 |   |  
            | 6/28/2010 | +1.10 / +2.93% | 37.50 | 38.60 | 37.50 | 38.60 | 38.60 | 38.60 | 1,473,400 |   |  |  |  
				|  |  |  | 
	
		| 
			
				|  |  
				|  |  
				| 
					
						| Market Update 
        
            
                Last updated at 3:10:03 PM
             |  |  
				|  |  |  |