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            | 
                    Closing price on 12/14/2016
                 |  |  
    
        |           
                
                    | Open | 12.75 |  
                    | High | 12.75 |  
                    | Low | 11.90 |  
                    | Volume | 408,480 |  
                    | Split-adjusted Price | 12.45 |  
                
             | 
 |  ATG Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/14/2016 | -0.30 / -2.35% | 12.75 | 12.75 | 11.90 | 12.45 | 12.67 | 12.45 | 408,480 |   |  
            | 12/13/2016 | -0.10 / -0.78% | 12.85 | 12.85 | 12.70 | 12.75 | 12.76 | 12.75 | 195,000 |   |  			
            | 12/12/2016 | -0.10 / -0.77% | 12.95 | 13.10 | 12.60 | 12.85 | 12.83 | 12.85 | 360,520 |   |  
            | 12/9/2016 | -0.05 / -0.38% | 13.00 | 13.10 | 12.80 | 12.95 | 12.94 | 12.95 | 174,310 |   |  			
            | 12/8/2016 | -0.30 / -2.26% | 13.20 | 13.40 | 13.00 | 13.00 | 13.10 | 13.00 | 184,200 |   |  
            | 12/7/2016 | +0.55 / +4.31% | 12.70 | 13.30 | 12.60 | 13.30 | 13.04 | 13.30 | 242,220 |   |  			
            | 12/6/2016 | -0.05 / -0.39% | 12.80 | 13.20 | 12.70 | 12.75 | 12.81 | 12.75 | 444,410 |   |  
            | 12/5/2016 | -0.30 / -2.29% | 13.10 | 13.10 | 12.70 | 12.80 | 12.94 | 12.80 | 231,600 |   |  			
            | 12/2/2016 | +0.10 / +0.77% | 13.00 | 13.10 | 12.95 | 13.10 | 13.04 | 13.10 | 275,900 |   |  
            | 12/1/2016 | -0.10 / -0.76% | 13.10 | 13.20 | 12.90 | 13.00 | 13.06 | 13.00 | 680,350 |   |  			
            | 11/30/2016 | 0.00 / 0.00% | 13.10 | 13.20 | 12.95 | 13.10 | 12.99 | 13.10 | 255,500 |   |  
            | 11/29/2016 | 0.00 / 0.00% | 13.10 | 13.30 | 12.70 | 13.10 | 13.04 | 13.10 | 316,130 |   |  			
            | 11/28/2016 | -0.20 / -1.50% | 13.30 | 13.30 | 12.90 | 13.10 | 13.06 | 13.10 | 152,460 |   |  
            | 11/25/2016 | +0.10 / +0.76% | 13.20 | 13.30 | 13.10 | 13.30 | 13.16 | 13.30 | 244,520 |   |  			
            | 11/24/2016 | +0.10 / +0.76% | 13.10 | 13.20 | 12.90 | 13.20 | 13.07 | 13.20 | 237,650 |   |  
            | 11/23/2016 | -0.30 / -2.24% | 13.30 | 13.60 | 13.10 | 13.10 | 13.38 | 13.10 | 356,550 |   |  			
            | 11/22/2016 | +0.10 / +0.75% | 13.20 | 13.50 | 13.10 | 13.40 | 13.23 | 13.40 | 429,410 |   |  
            | 11/21/2016 | +0.30 / +2.31% | 13.00 | 13.30 | 12.90 | 13.30 | 13.05 | 13.30 | 479,720 |   |  			
            | 11/18/2016 | +0.15 / +1.17% | 12.90 | 13.00 | 12.80 | 13.00 | 12.89 | 13.00 | 476,610 |   |  
            | 11/17/2016 | -0.35 / -2.65% | 13.20 | 13.20 | 12.80 | 12.85 | 12.93 | 12.85 | 174,360 |   |  			
            | 11/16/2016 | 0.00 / 0.00% | 13.10 | 13.20 | 13.00 | 13.20 | 13.14 | 13.20 | 258,590 |   |  
            | 11/15/2016 | -0.10 / -0.75% | 13.20 | 13.40 | 13.00 | 13.20 | 13.19 | 13.20 | 250,120 |   |  			
            | 11/14/2016 | +0.20 / +1.53% | 13.10 | 13.50 | 13.10 | 13.30 | 13.32 | 13.30 | 305,380 |   |  
            | 11/11/2016 | 0.00 / 0.00% | 13.00 | 13.20 | 13.00 | 13.10 | 13.11 | 13.10 | 401,120 |   |  			
            | 11/10/2016 | +0.05 / +0.38% | 13.05 | 13.30 | 13.05 | 13.10 | 13.11 | 13.10 | 214,260 |   |  
            | 11/9/2016 | -0.15 / -1.14% | 13.20 | 13.20 | 13.00 | 13.05 | 13.02 | 13.05 | 160,360 |   |  			
            | 11/8/2016 | -0.10 / -0.75% | 13.20 | 13.30 | 12.95 | 13.20 | 13.15 | 13.20 | 343,520 |   |  
            | 11/7/2016 | +0.10 / +0.76% | 13.20 | 13.30 | 13.00 | 13.30 | 13.05 | 13.30 | 791,520 |   |  			
            | 11/4/2016 | 0.00 / 0.00% | 13.00 | 13.20 | 13.00 | 13.20 | 13.13 | 13.20 | 160,090 |   |  
            | 11/3/2016 | +0.10 / +0.76% | 13.00 | 13.20 | 13.00 | 13.20 | 13.04 | 13.20 | 148,410 |   |  |