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                    Closing price on 9/14/2010
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                    | Open | 32.40 |  
                    | High | 32.70 |  
                    | Low | 32.10 |  
                    | Volume | 1,480,270 |  
                    | Split-adjusted Price | 32.70 |  
                
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 |  OGC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/14/2010 | +1.50 / +4.81% | 32.40 | 32.70 | 32.10 | 32.70 | 32.70 | 32.70 | 1,480,270 |   |  
            | 9/13/2010 | -0.80 / -2.50% | 31.00 | 33.00 | 31.00 | 31.20 | 31.20 | 31.20 | 725,290 |   |  			
            | 9/10/2010 | -1.40 / -4.19% | 33.50 | 33.50 | 31.80 | 32.00 | 32.00 | 32.00 | 723,020 |   |  
            | 9/9/2010 | +0.20 / +0.60% | 34.00 | 34.20 | 33.00 | 33.40 | 33.40 | 33.40 | 605,660 |   |  			
            | 9/8/2010 | -0.80 / -2.35% | 33.10 | 34.00 | 32.40 | 33.20 | 33.20 | 33.20 | 704,050 |   |  
            | 9/7/2010 | -1.50 / -4.23% | 35.00 | 35.50 | 33.90 | 34.00 | 34.00 | 34.00 | 1,182,690 |   |  			
            | 9/6/2010 | +0.50 / +1.43% | 35.00 | 36.10 | 34.80 | 35.50 | 35.50 | 35.50 | 1,683,650 |   |  
            | 9/1/2010 | +0.90 / +2.64% | 35.00 | 35.00 | 33.50 | 35.00 | 35.00 | 35.00 | 568,840 |   |  			
            | 8/31/2010 | +1.60 / +4.92% | 32.50 | 34.10 | 32.00 | 34.10 | 34.10 | 34.10 | 808,170 |   |  
            | 8/30/2010 | +1.50 / +4.84% | 32.50 | 32.50 | 32.00 | 32.50 | 32.50 | 32.50 | 842,940 |   |  			
            | 8/27/2010 | -0.30 / -0.96% | 31.30 | 32.10 | 30.50 | 31.00 | 31.00 | 31.00 | 330,040 |   |  
            | 8/26/2010 | -1.20 / -3.69% | 32.10 | 32.80 | 31.20 | 31.30 | 31.30 | 31.30 | 624,500 |   |  			
            | 8/25/2010 | 0.00 / 0.00% | 31.10 | 32.50 | 30.90 | 32.50 | 32.50 | 32.50 | 1,696,230 |   |  
            | 8/24/2010 | -1.70 / -4.97% | 32.50 | 32.60 | 32.50 | 32.50 | 32.50 | 32.50 | 432,730 |   |  			
            | 8/23/2010 | -1.80 / -5.00% | 35.30 | 35.30 | 34.20 | 34.20 | 34.20 | 34.20 | 116,240 |   |  
            | 8/20/2010 | +0.70 / +1.98% | 34.70 | 36.00 | 33.90 | 36.00 | 36.00 | 36.00 | 280,370 |   |  			
            | 8/19/2010 | -1.20 / -3.29% | 35.50 | 36.40 | 35.30 | 35.30 | 35.30 | 35.30 | 335,620 |   |  
            | 8/18/2010 | -0.10 / -0.27% | 35.80 | 36.50 | 35.10 | 36.50 | 36.50 | 36.50 | 324,270 |   |  			
            | 8/17/2010 | -1.10 / -2.92% | 37.50 | 37.50 | 36.10 | 36.60 | 36.60 | 36.60 | 446,390 |   |  
            | 8/16/2010 | +1.50 / +4.14% | 37.50 | 38.00 | 36.80 | 37.70 | 37.70 | 37.70 | 389,260 |   |  			
            | 8/13/2010 | +0.90 / +2.55% | 35.30 | 36.20 | 34.20 | 36.20 | 36.20 | 36.20 | 359,150 |   |  
            | 8/12/2010 | -1.70 / -4.59% | 36.30 | 36.60 | 35.20 | 35.30 | 35.30 | 35.30 | 461,780 |   |  			
            | 8/11/2010 | +0.60 / +1.65% | 37.70 | 37.80 | 36.10 | 37.00 | 37.00 | 37.00 | 323,060 |   |  
            | 8/10/2010 | -1.00 / -2.67% | 36.80 | 37.40 | 35.60 | 36.40 | 36.40 | 36.40 | 808,240 |   |  			
            | 8/9/2010 | -1.70 / -4.35% | 38.10 | 39.00 | 37.30 | 37.40 | 37.40 | 37.40 | 528,830 |   |  
            | 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 |   |  |  |  
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						| Market Update 
        
            
                Last updated at 3:10:01 PM
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