X0306 4 2018-05-04 0 0000927003 ADVANCED ENERGY INDUSTRIES INC AEIS 0001416894 WASSERMAN YUVAL 1625 SHARP POINT DRIVE FORT COLLINS CO 80525 1 1 0 0 President & CEO Common Stock 2018-05-04 4 M 0 930 12.77 A 141929 D Common Stock 2018-05-04 4 M 0 3938 15.65 A 145867 D Common Stock 2018-05-04 4 M 0 2361 16.25 A 148228 D Common Stock 2018-05-04 4 M 0 3938 14.52 A 152166 D Common Stock 2018-05-04 4 M 0 7876 12.44 A 160042 D Common Stock 2018-05-04 4 M 0 11813 9.51 A 171855 D Common Stock 2018-05-04 4 M 0 8500 11.02 A 180355 D Common Stock 2018-05-04 4 M 0 13171 18.77 A 193526 D Common Stock 2018-05-04 4 M 0 3013 14.21 A 196539 D Common Stock 2018-05-04 4 S 0 8345 61.22 D 188194 D Common Stock 2018-05-04 4 S 0 38385 62.53 D 149809 D Common Stock 2018-05-04 4 S 0 8810 62.96 D 140999 D Stock Options (right to buy) 12.77 2018-05-04 4 M 0 930 0.00 D 2013-10-27 2019-10-27 Common Stock 930 0 D Stock Options (right to buy) 15.65 2018-05-04 4 M 0 3938 0.00 D 2014-02-16 2020-02-16 Common Stock 3938 0 D Stock Options (right to buy) 16.25 2018-05-04 4 M 0 2361 0.00 D 2014-04-20 2020-04-20 Common Stock 2361 0 D Stock Option (right to buy) 14.52 2018-05-04 4 M 0 3938 0.00 D 2015-02-15 2021-02-15 Common Stock 3938 0 D Stock Option (right to buy) 12.44 2018-05-04 4 M 0 7876 0.00 D 2015-07-22 2021-07-22 Common Stock 7876 0 D Stock Option (right to buy) 9.51 2018-05-04 4 M 0 11813 0.00 D 2015-10-26 2021-10-26 Common Stock 11813 0 D Stock Option (right to buy) 11.02 2018-05-04 4 M 0 8500 0.00 D 2013-01-03 2022-01-03 Common Stock 8500 0 D Stock Option (right to buy) 18.77 2018-05-04 4 M 0 13171 0.00 D 2017-10-01 2024-01-01 Common Stock 13171 43429 D Stock Options (right to buy) 14.21 2018-05-04 4 M 0 3013 0.00 D 2015-04-28 2021-04-28 Common Stock 3013 0 D Shares exercised and sold in accordance with 10b5-1 trading plan. The price reported in Column 4 is an average price. These shares sold in multiple transactions at prices ranging from $60.78 to $61.71. The reporting person undertakes to provide to Advanced Energy, any security holder of Advanced Energy, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The price reported in Column 4 is an average price. These shares sold in multiple transactions at prices ranging from $61.85 to $62.85. The reporting person undertakes to provide to Advanced Energy, any security holder of Advanced Energy, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The price reported in Column 4 is an average price. These shares sold in multiple transactions at prices ranging from $62.86 to $63.13. The reporting person undertakes to provide to Advanced Energy, any security holder of Advanced Energy, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. Represents 45,388 shares of Restricted Stock Units and 95,611 shares of common stock. /s/ Thomas O. McGimpsey (Attorney-in-Fact) 2018-05-08