Sec Form 4 Filing - SCHOLL BRENDA M @ ADVANCED ENERGY INDUSTRIES INC - 2004-10-19

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person SCHOLL BRENDA M 2. Issuer Name and Ticker or Trading Symbol ADVANCED ENERGY INDUSTRIES INC [ AEIS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) SVP Growth Markets (Last) (First) (Middle) 1625 SHARP POINT DRIVE 3. Date of Earliest Transaction (MM/DD/YY) 10/19/2004 (Street) FORT COLLINS, COUS 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 20,292 D Common Stock 209,824 I By Spouse

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Employee Stock Option (right to buy) $ 8.625 04/23/1998( 4 ) 04/23/2007 Common Stock 2,100 2,100 D Employee Stock Option (right to buy) $ 12.75 01/09/1999( 1 ) 01/09/2008 Common Stock 782 2,882 D Employee Stock Option (right to buy) $ 28.1563 02/09/2000( 1 ) 02/09/2009 Common Stock 1,000 3,882 D Employee Stock Option (right to buy) $ 43.6875 01/13/2001( 1 ) 01/13/2010 Common Stock 2,000 5,882 D Employee Stock Option (right to buy) $ 26.125 02/07/2002( 1 ) 02/07/2011 Common Stock 1,250 7,132 D Employee Stock Option (right to buy) $ 28.55 04/11/2002( 1 ) 04/11/2011 Common Stock 1,250 8,382 D Employee Stock Option (right to buy) $ 36.49 05/24/2002( 5 ) 05/24/2011 Common Stock 1,000 9,382 D Employee Stock Option (right to buy) $ 32.19 07/11/2002( 1 ) 07/11/2011 Common Stock 1,250 10,632 D Employee Stock Option (right to buy) $ 18 10/10/2002( 1 ) 10/10/2011 Common Stock 1,250 11,882 D Employee Stock Option (right to buy) $ 24.9 02/12/2003( 1 ) 02/12/2012 Common Stock 6,250 18,132 D Employee Stock Option (right to buy) $ 38.55 04/16/2003( 1 ) 04/16/2012 Common Stock 6,250 24,382 D Employee Stock Option (right to buy) $ 17.85 07/18/2003( 1 ) 07/18/2012 Common Stock 6,250 30,632 D Employee Stock Option (right to buy) $ 7.7 10/17/2003( 1 ) 10/17/2012 Common Stock 6,250 36,882 D Employee Stock Option (right to buy) $ 14.5 12/11/2003( 1 ) 12/11/2012 Common Stock 10,000 46,882 D Employee Stock Option (right to buy) $ 9.12 02/12/2004( 1 ) 02/12/2013 Common Stock 5,000 51,882 D Employee Stock Option (right to buy) $ 7.61 04/16/2004( 1 ) 04/16/2013 Common Stock 5,000 56,882 D Employee Stock Option (right to buy) $ 19.24 07/23/2004( 1 ) 07/23/2013 Common Stock 5,000 61,882 D Employee Stock Option (right to buy) $ 22.52 10/15/2004( 1 ) 10/15/2013 Common Stock 5,000 66,882 D Employee Stock Option (right to buy) $ 22.3 02/11/2005( 1 ) 02/11/2014 Common Stock 3,750 70,632 D Employee Stock Option (right to buy) $ 20.81 04/14/2005( 1 ) 04/14/2014 Common Stock 3,750 74,382 D Employee Stock Option (right to buy) $ 12.8 07/20/2005( 1 ) 07/20/2014 Common Stock 3,750 78,132 D Employee Stock Option (right to buy) $ 10.37 10/19/2004 A 3,750 10/19/2005( 1 ) 10/19/2014 Common Stock 3,750 $ 10.37 81,882 ( 2 ) D Employee Stock Option (right to buy) $ 10.37 10/19/2004 A 2,500 10/19/2005( 1 ) 10/19/2014 Common Stock 2,500 $ 10.37 111,000 ( 3 ) I By Spouse

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other SCHOLL BRENDA M 1625 SHARP POINT DRIVE FORT COLLINS, COUS SVP Growth Markets Signatures Michael El-Hillow - Attorney-in-Fact 10/19/2004 Signature of Reporting Person Date

Explanation of Responses:

( 1 )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, 04/14/2004, 07/20/2004, and 10/19/2004 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. ( 2 )Mrs. Scholl has Employee Stock Options (right to buy) for a total of 81,882 shares of Common Stock. ( 3 )Mrs. Scholl has additional Employee Stock Options (right to buy) for a total of 111,000 shares, indirectly by spouse, of Common Stock with varying exercise prices and expiration dates. ( 4 )Stock option dated 04/23/1997 is such that 1/5 of the shares become exercisable on the first anniversary following the d ate of grant, and the remaining shares become exercisable in equal increments each quarter for 4 years thereafter. ( 5 )Stock option dated May 24, 2001 is fully exercisable 1 year from the date of grant, which was May 24, 2002.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.