X0306 5 2014-12-31 0 0 0 0001515156 Advanced Emissions Solutions, Inc. ADES 0001246365 DURHAM MICHAEL D C/O ADVANCED EMISSIONS SOLUTIONS, INC. 9135 S. RIDGELINE BLVD., STE 200 HIGHLANDS RANCH CO 80129 1 1 0 0 President and CEO Common Stock 2012-04-10 5 G 0 6000 0.00 D 481280 D Common Stock 2012-05-01 5 G 0 8000 0.00 D 473280 D Common Stock 2013-08-20 5 G 0 6600 0.00 D 479922 D Common Stock 2013-11-29 5 G 0 12000 0.00 D 468236 D Common Stock 2014-02-03 5 G 0 1200 0.00 D 485700 D Common Stock 2014-11-11 5 G 0 10000 0.00 D 522817 D Common Stock 2014-12-10 5 G 0 17000 0.00 D 505817 D All amounts on this Form 5 are reported on a stock split adjusted basis; the 2 for 1 stock split occurred on March 14, 2014. These amended total ownership figures also adjust the total holdings reported on all Forms 4 filed subsequent to the date of the respective gift transaction. Of the amount shown at such time, 109,608 shares were held in the qualified pension plan account of the reporting person, which number was incorrectly reported on previous filings by 144 shares on a stock split-adjusted basis due to an administrative error that occurred in February 2009. Additionally, of the amount shown, 30,000 shares were issued pursuant to a program under the Company's Amended and Restated 2007 Equity Incentive Plan, as amended (the "2007 Plan"), were not fully vested and were subject to certain repurchase rights. Of the amount shown at such time, 112,550 shares were held in a qualified pension plan account of the reporting person and 40,300 shares were issued pursuant to a program under the 2007 Plan, were not fully vested and were subject to certain repurchase rights. Of the amount shown at such time, 112,864 shares were held in a qualified pension plan account of the reporting person and 40,300 shares were issued pursuant to a program under the 2007 Plan, were not fully vested and were subject to certain repurchase rights. Of the amount shown at such time, 112,864 shares were held in a qualified pension plan account of the reporting person and 51,372 shares were issued pursuant to a program under the 2007 Plan, were not fully vested and were subject to certain repurchase rights. Of the amount shown at such time, 112,900 shares were held in a qualified pension plan account of the reporting person and 51,372 shares were issued pursuant to a program under the 2007 Plan, were not fully vested and were subject to certain repurchase rights. /s/ Christine B. Amrhein, by power of attorney 2015-02-17