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            | 
                    Closing price on 6/8/2018
                 |  |  
    
        |           
                
                    | Open | 1.76 |  
                    | High | 1.80 |  
                    | Low | 1.75 |  
                    | Volume | 59,810 |  
                    | Split-adjusted Price | 1.80 |  
                
             | 
 |  ATG Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/8/2018 | +0.05 / +2.86% | 1.76 | 1.80 | 1.75 | 1.80 | 1.76 | 1.80 | 59,810 |   |  
            | 6/7/2018 | -0.06 / -3.31% | 1.80 | 1.85 | 1.70 | 1.75 | 1.77 | 1.75 | 33,310 |   |  			
            | 6/6/2018 | +0.01 / +0.56% | 1.80 | 1.85 | 1.80 | 1.81 | 1.81 | 1.81 | 19,900 |   |  
            | 6/5/2018 | -0.05 / -2.70% | 1.80 | 1.85 | 1.80 | 1.80 | 1.82 | 1.80 | 31,880 |   |  			
            | 6/4/2018 | -0.01 / -0.54% | 1.86 | 1.86 | 1.82 | 1.85 | 1.84 | 1.85 | 38,140 |   |  
            | 6/1/2018 | +0.09 / +5.08% | 1.79 | 1.86 | 1.78 | 1.86 | 1.80 | 1.86 | 73,280 |   |  			
            | 5/31/2018 | -0.11 / -5.85% | 1.75 | 1.88 | 1.75 | 1.77 | 1.83 | 1.77 | 5,460 |   |  
            | 5/30/2018 | +0.08 / +4.44% | 1.80 | 1.88 | 1.68 | 1.88 | 1.75 | 1.88 | 26,820 |   |  			
            | 5/29/2018 | +0.04 / +2.27% | 1.76 | 1.82 | 1.71 | 1.80 | 1.77 | 1.80 | 4,150 |   |  
            | 5/28/2018 | -0.08 / -4.35% | 1.84 | 1.84 | 1.72 | 1.76 | 1.79 | 1.76 | 54,100 |   |  			
            | 5/25/2018 | -0.02 / -1.08% | 1.93 | 1.93 | 1.73 | 1.84 | 1.74 | 1.84 | 159,360 |   |  
            | 5/24/2018 | +0.02 / +1.09% | 1.84 | 1.96 | 1.84 | 1.86 | 1.88 | 1.86 | 19,720 |   |  			
            | 5/23/2018 | -0.13 / -6.60% | 1.97 | 1.97 | 1.84 | 1.84 | 1.85 | 1.84 | 133,810 |   |  
            | 5/22/2018 | -0.01 / -0.51% | 1.98 | 1.98 | 1.88 | 1.97 | 1.90 | 1.97 | 43,790 |   |  			
            | 5/21/2018 | 0.00 / 0.00% | 1.98 | 1.98 | 1.96 | 1.98 | 1.97 | 1.98 | 47,820 |   |  
            | 5/18/2018 | +0.03 / +1.54% | 1.99 | 1.99 | 1.94 | 1.98 | 1.98 | 1.98 | 12,530 |   |  			
            | 5/17/2018 | 0.00 / 0.00% | 1.95 | 2.00 | 1.95 | 1.95 | 1.99 | 1.95 | 87,530 |   |  
            | 5/16/2018 | +0.04 / +2.09% | 1.91 | 1.95 | 1.91 | 1.95 | 1.93 | 1.95 | 20,450 |   |  			
            | 5/15/2018 | -0.04 / -2.05% | 1.95 | 1.97 | 1.90 | 1.91 | 1.93 | 1.91 | 10,730 |   |  
            | 5/14/2018 | 0.00 / 0.00% | 2.00 | 2.00 | 1.86 | 1.95 | 1.91 | 1.95 | 44,450 |   |  			
            | 5/11/2018 | -0.08 / -3.94% | 1.92 | 2.02 | 1.90 | 1.95 | 1.92 | 1.95 | 26,100 |   |  
            | 5/10/2018 | +0.03 / +1.50% | 2.00 | 2.04 | 1.96 | 2.03 | 2.02 | 2.03 | 25,270 |   |  			
            | 5/9/2018 | 0.00 / 0.00% | 2.00 | 2.05 | 1.86 | 2.00 | 1.88 | 2.00 | 341,190 |   |  
            | 5/8/2018 | +0.05 / +2.56% | 1.98 | 2.08 | 1.90 | 2.00 | 1.99 | 2.00 | 36,670 |   |  			
            | 5/7/2018 | -0.14 / -6.70% | 2.07 | 2.08 | 1.95 | 1.95 | 1.96 | 1.95 | 27,060 |   |  
            | 5/4/2018 | +0.01 / +0.48% | 2.05 | 2.15 | 2.05 | 2.09 | 2.09 | 2.09 | 3,700 |   |  			
            | 5/3/2018 | -0.15 / -6.73% | 2.09 | 2.23 | 2.08 | 2.08 | 2.09 | 2.08 | 103,210 |   |  
            | 5/2/2018 | +0.01 / +0.45% | 2.20 | 2.27 | 2.10 | 2.23 | 2.21 | 2.23 | 30,740 |   |  			
            | 4/27/2018 | +0.07 / +3.26% | 2.20 | 2.22 | 2.00 | 2.22 | 2.04 | 2.22 | 26,930 |   |  
            | 4/26/2018 | -0.02 / -0.92% | 2.17 | 2.29 | 2.15 | 2.15 | 2.18 | 2.15 | 7,790 |   |  |