X0201 4 2004-04-14 0000927003 ADVANCED ENERGY INDUSTRIES INC AEIS 0001228902 SCHOLL BRENDA M 1625 SHARP POINT DRIVE FORT COLLINS CO US 0 1 0 0 SVP and GM Power Systems Common Stock 20292 D Common Stock 209728 I By Spouse Employee Stock Option (right to buy) 8.625 1998-04-23 2007-04-23 Common Stock 2100 2100 D Employee Stock Option (right to buy) 12.75 1999-01-09 2008-01-09 Common Stock 782 2882 D Employee Stock Option (right to buy) 28.1563 2000-02-09 2009-02-09 Common Stock 1000 3882 D Employee Stock Option (right to buy) 43.6875 2001-01-13 2010-01-13 Common Stock 2000 5882 D Employee Stock Option (right to buy) 26.125 2002-02-07 2011-02-07 Common Stock 1250 7132 D Employee Stock Option (right to buy) 28.55 2002-04-11 2011-04-11 Common Stock 1250 8382 D Employee Stock Option (right to buy) 36.49 2002-05-24 2011-05-24 Common Stock 1000 9382 D Employee Stock Option (right to buy) 32.19 2002-07-11 2011-07-11 Common Stock 1250 10632 D Employee Stock Option (right to buy) 18.00 2002-10-10 2011-10-10 Common Stock 1250 11882 D Employee Stock Option (right to buy) 24.90 2003-02-12 2012-02-12 Common Stock 6250 18132 D Employee Stock Option (right to buy) 38.55 2003-04-16 2012-04-16 Common Stock 6250 24382 D Employee Stock Option (right to buy) 17.85 2003-07-18 2012-07-18 Common Stock 6250 30632 D Employee Stock Option (right to buy) 7.70 2003-10-17 2012-10-17 Common Stock 6250 36882 D Employee Stock Option (right to buy) 14.50 2003-12-11 2012-12-11 Common Stock 10000 46882 D Employee Stock Option (right to buy) 9.12 2004-02-12 2013-02-12 Common Stock 5000 51882 D Employee Stock Option (right to buy) 7.61 2004-04-16 2013-04-16 Common Stock 5000 56882 D Employee Stock Option (right to buy) 19.24 2004-07-23 2013-07-23 Common Stock 5000 61882 D Employee Stock Option (right to buy) 22.52 2004-10-15 2013-10-15 Common Stock 5000 66882 D Employee Stock Option (right to buy) 22.30 2005-02-11 2014-02-11 Common Stock 3750 70632 D Employee Stock Option (right to buy) 20.81 2004-04-14 4 A 0 3750 20.81 A 2005-04-14 2014-04-14 Common Stock 3750 74382 D Employee Stock Option (right to buy) 20.81 2004-04-14 4 A 0 2500 20.81 A 2005-04-14 2014-04-14 Common Stock 2500 106000 I By Spouse Stock options dated 01/09/1998, 02/09/1999, 01/13/2000, 02/07/2001, 04/11/2001, 07/11/2001, 10/10/2001, 02/12/2002, 04/16/2002, 07/18/2002, 10/17/2002, 12/11/2002, 02/12/2003, 04/16/2003, 07/23/2003, 10/15/2003, 2/11/2004 and 04/14/2004 are such that 1/4 of the shares become exercisable on the first anniversary following the date of grant, and the remaining shares become exercisable in equal increments each quarter for 3 years thereafter. Mrs. Scholl has Employee Stock Options (right to buy) for a total of 74,382 shares of Common Stock. Mrs. Scholl has additional Employee Stock Options (right to buy) for a total of 106,000 shares, indirectly by spouse, of Common Stock with varying exercise prices and expiration dates. Stock option dated 04/23/1997 is such that 1/5 of the shares become exercisable on the first anniversary following the date of grant, and the remaining shares become exercisable in equal increments each quarter for 4 years thereafter. Stock option dated May 24, 2001 is fully exercisable 1 year from the date of grant, which was May 24, 2002. Michael El-Hillow - Attorney-in-Fact 2004-04-15