X0202 4 2005-04-12 0000927003 ADVANCED ENERGY INDUSTRIES INC AEIS 0001202836 BECK RICHARD P 1625 SHARP POINT DRIVE FORT COLLINS, CO 80525 1 0 0 0 Common Stock 2005-04-12 4 S 0 3000 10.00 D 59574 D Director Stock Option (right to buy) 17.85 2002-07-18 2012-07-18 Common Stock 7500 7500 D Director Stock Option (right to buy) 10.67 2003-05-07 2013-05-07 Common Stock 5000 12500 D Director Stock Option (right to buy) 14.40 2004-05-05 2014-05-05 Common Stock 5000 17500 D Per Rule 10b5-1 Sales Plan executed by Seller on March 4, 2005. The director stock option granted on July 18, 2002 is immediately exercisable as to 2,500 shares of Common Stock and will vest as to 2,500 shares on each of July 18, 2004 and July 18, 2005. The director stock options granted on May 7, 2003 and May 5, 2004 are immediately fully exercisable. Mr. Beck has been granted Director Stock Options (right to buy) totaling 17,500 shares of Common Stock with the above exercise prices and expiration dates. Michael El-Hillow - Attorney-in-Fact 2005-04-14